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Cheap flights from Portland (PDX) to Porto (OPO) from $427

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/5. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
PDX — OPO
Jun 7 — Jun 141
From?
To?
Fri 6/7
Fri 6/14
1 adult, Economy
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The best prices from Portland to Porto are usually found in January or November, booked 4 days in advance, depart on a Monday or Tuesday and return on a Tuesday

Cheap flight deals from Portland to Porto

Discover tips and strategies to find the most affordable flight options for your journey from Portland (PDX) to Porto (OPO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated June 2, 2024.

Popular in

June

Cheapest in

January

Average price

$1,681

Round-trip from

$523
High demand for flights, 32% potential price rise
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Best time to find cheap flights, 48% potential price drop
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Average for round-trip flights in June 2024
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From Portland to Porto
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What is the cheapest day to fly round-trip from Portland to Porto?

Users have found that flying from Portland to Porto on a Wednesday typically leans towards higher prices. However, this doesn’t mean you still can’t find a deal. Flexibility with other aspects of your flight can still land a great price for your trip.

What is the cheapest month to fly from Portland to Porto?

Our data shows that January tends to be the cheapest month to fly to Porto from Portland. Users have commonly found prices around $1,151 for the month, but tickets can be as low as $505. Due to multiple factors, prepare for potentially higher prices in June.

What is the cheapest time of day to fly from PDX to OPO?

A simple way to save on the total cost of your ticket is to fly from Portland to Porto in the evening. If you’re flexible enough to do this you can expect to save up to 11% on your trip compared to booking a flight in the morning.

Cheap Iberia flights from Portland to Porto

Explore cheap flight options specifically provided by Iberia for the route between Portland and Porto. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,810,401 searches. Data last updated June 2, 2024.
Check out some of the cheapest Iberia flights we've come across from Portland to Porto. Make sure to double check the flight details before booking.
Wed 7/31:18 pmPDX - OPO
2 stops18h 37mIberia
Mon 7/298:15 amOPO - PDX
2 stops21h 54mIberia
Deal found 6/1$1,299
Fri 7/51:18 pmPDX - OPO
2 stops18h 37mIberia
Sat 7/208:15 amOPO - PDX
2 stops23h 25mIberia
Deal found 6/1$1,314

Cheap KLM flights from Portland to Porto

Explore cheap flight options specifically provided by KLM for the route between Portland and Porto. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,810,401 searches. Data last updated June 2, 2024.
Take a gander at the lowest prices we've found on KLM flights from Portland to Porto. Check back soon if you're not seeing flights that suit your needs.
Sun 8/182:15 pmPDX - OPO
1 stop23h 00mKLM
Mon 8/269:15 amOPO - PDX
2 stops20h 25mKLM
Deal found 6/1$1,102
Fri 7/52:15 pmPDX - OPO
1 stop24h 00mKLM
Fri 7/129:15 amOPO - PDX
2 stops20h 25mKLM
Deal found 5/30$1,127
Fri 7/55:19 pmPDX - OPO
2 stops17h 31mKLM
Fri 7/129:15 amOPO - PDX
2 stops20h 25mKLM
Deal found 5/30$1,132
Fri 8/162:15 pmPDX - OPO
1 stop20h 35mKLM
Tue 8/279:15 amOPO - PDX
2 stops20h 25mKLM
Deal found 6/1$1,174
Sun 6/302:15 pmPDX - OPO
1 stop23h 00mKLM
Tue 7/95:00 amOPO - PDX
1 stop14h 55mKLM
Deal found 6/1$1,363
Tue 6/112:15 pmPDX - OPO
1 stop17h 25mKLM
Fri 6/285:00 amOPO - PDX
1 stop15h 00mKLM
Deal found 6/1$1,438
Wed 7/32:15 pmPDX - OPO
1 stop17h 25mKLM
Mon 7/295:00 amOPO - PDX
1 stop14h 55mKLM
Deal found 6/1$1,678
Sat 6/292:35 pmPDX - OPO
2 stops17h 05mKLM
Sat 7/68:05 pmOPO - PDX
1 stop23h 50mKLM
Deal found 5/30$1,788
Sat 6/292:15 pmPDX - OPO
1 stop17h 25mKLM
Sat 7/68:05 pmOPO - PDX
1 stop23h 50mKLM
Deal found 5/30$2,344

Cheap Portland to Porto flights in June & July 2024

Find cheap flight options from Portland to Porto specifically for the months of June and July 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,810,401 searches. Prices were last updated on June 2, 2024.
The lowest fares we've come across on flights traveling from Portland to Porto in June and July 2024. More deals are always being added, so be sure to check back regularly.
Tue 6/112:15 pmPDX - OPO
2 stops32h 40mUnited Airlines
Fri 6/289:00 amOPO - PDX
2 stops32h 34mUnited Airlines
Deal found 6/1$1,179
Thu 6/2012:15 amPDX - OPO
2 stops22h 35mUnited Airlines
Sat 6/296:00 amOPO - PDX
2 stops22h 43mUnited Airlines
Deal found 6/1$1,183
Tue 6/112:15 pmPDX - OPO
2 stops32h 40mUnited Airlines
Fri 6/2812:35 pmOPO - PDX
1 stop17h 23mUnited Airlines
Deal found 6/1$1,260
Thu 6/2012:15 amPDX - OPO
2 stops22h 35mUnited Airlines
Sat 6/2912:35 pmOPO - PDX
1 stop16h 08mUnited Airlines
Deal found 6/1$1,337
Sun 6/302:15 pmPDX - OPO
1 stop23h 00mKLM
Tue 7/95:00 amOPO - PDX
1 stop14h 55mKLM
Deal found 6/1$1,363
Sun 6/302:15 pmPDX - OPO
1 stop23h 00mKLM
Tue 7/99:15 amOPO - PDX
2 stops19h 30mKLM
Deal found 6/1$1,371
Tue 6/112:15 pmPDX - OPO
1 stop17h 25mKLM
Fri 6/285:00 amOPO - PDX
1 stop15h 00mKLM
Deal found 6/1$1,438
Sun 6/304:25 pmPDX - OPO
1 stop22h 25mMultiple Airlines
Tue 7/96:00 amOPO - PDX
1 stop15h 55mMultiple Airlines
Deal found 6/2$1,504
Tue 6/116:00 amPDX - OPO
2 stops25h 45mAir Canada
Thu 6/273:05 amOPO - PDX
2 stops27h 16mAir Canada
Deal found 6/1$1,515

Portland to Porto 2024 flight deals

Discover exclusive flight deals for travel between Portland and Porto in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,810,401 searches. Data last updated June 2, 2024.
The lowest fares we've come across on flights traveling from Portland to Porto in June and July 2024. More deals are always being added, so be sure to check back regularly.
Wed 10/305:35 amPDX - OPO
2 stops22h 15mDelta
Tue 12/311:15 amOPO - PDX
1 stop31h 45mDelta
Deal found 6/2$620
Wed 10/302:05 pmPDX - OPO
1 stop22h 25mKLM
Mon 12/24:10 pmOPO - PDX
1 stop26h 50mKLM
Deal found 6/2$628
Sun 11/31:05 pmPDX - OPO
1 stop25h 15mDelta
Thu 12/511:15 amOPO - PDX
1 stop31h 45mDelta
Deal found 6/2$629
Wed 10/305:35 amPDX - OPO
2 stops22h 15mDelta
Thu 12/511:15 amOPO - PDX
2 stops35h 17mDelta
Deal found 6/2$630
Sun 11/37:00 amPDX - OPO
2 stops24h 25mDelta
Tue 12/311:15 amOPO - PDX
1 stop31h 45mDelta
Deal found 6/2$633
Wed 10/302:05 pmPDX - OPO
1 stop25h 15mDelta
Wed 12/411:45 amOPO - PDX
2 stops31h 57mDelta
Deal found 6/2$636
Sun 11/31:05 pmPDX - OPO
1 stop25h 15mDelta
Wed 12/411:45 amOPO - PDX
2 stops31h 57mDelta
Deal found 6/2$637
Wed 10/302:05 pmPDX - OPO
1 stop25h 15mDelta
Fri 12/65:00 amOPO - PDX
2 stops22h 58mDelta
Deal found 6/2$638
Wed 10/305:35 amPDX - OPO
2 stops22h 15mDelta
Mon 12/211:45 amOPO - PDX
2 stops41h 01mDelta
Deal found 6/2$639

Portland to Porto flights leaving soon

Find last-minute flight options from Portland to Porto for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 2,810,401 searches. Data last updated June 2, 2024.
Users seeking a last-minute flight from Portland to Porto should consider booking one of these fares. Users should examine the flight details to ensure there are no surprises.
Tue 6/112:15 pmPDX - OPO
2 stops32h 40mUnited Airlines
Fri 6/289:00 amOPO - PDX
2 stops32h 34mUnited Airlines
Deal found 6/1$1,179
Tue 6/112:15 pmPDX - OPO
2 stops32h 40mUnited Airlines
Fri 6/2812:35 pmOPO - PDX
1 stop17h 23mUnited Airlines
Deal found 6/1$1,260
Tue 6/112:15 pmPDX - OPO
1 stop17h 25mKLM
Fri 6/285:00 amOPO - PDX
1 stop15h 00mKLM
Deal found 6/1$1,438
Tue 6/116:00 amPDX - OPO
2 stops25h 45mAir Canada
Thu 6/273:05 amOPO - PDX
2 stops27h 16mAir Canada
Deal found 6/1$1,515
Tue 6/113:55 pmPDX - OPO
1 stop22h 55mMultiple Airlines
Thu 6/273:05 amOPO - PDX
2 stops27h 25mMultiple Airlines
Deal found 6/1$2,051
Mon 6/1012:15 amPDX - OPO
2 stops31h 45mMultiple Airlines
Fri 6/2810:45 amOPO - PDX
2 stops30h 32mMultiple Airlines
Deal found 6/1$3,717
Tue 6/1111:33 amPDX - OPO
3 stops20h 22mAmerican Airlines
Fri 6/288:15 amOPO - PDX
2 stops22h 43mAmerican Airlines
Deal found 6/1$4,257

One-way flights to Porto from Portland

Search for one-way flight options from Portland to Porto. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,810,401 searches. Data last updated June 2, 2024.
Users traveling one-way from Portland to Porto can select one of these great deals. Users can also find round-trip Portland to Porto flights by using the search form above.
Fri 7/510:33 pmPDX - OPO
3 stops40h 52mMultiple Airlines
Deal found 6/1$427
Fri 7/512:15 pmPDX - OPO
2 stops26h 10mMultiple Airlines
Deal found 6/1$513
Tue 8/272:00 pmPDX - OPO
2 stops17h 30mWestJet
Deal found 6/1$710
Tue 8/278:15 amPDX - OPO
2 stops23h 15mWestJet
Deal found 5/31$713
Tue 6/43:25 pmPDX - OPO
3 stops21h 50mMultiple Airlines
Deal found 5/31$770
Tue 6/410:23 amPDX - OPO
1 stop15h 22mUnited Airlines
Deal found 5/31$772
Tue 6/43:25 pmPDX - OPO
3 stops21h 50mMultiple Airlines
Deal found 6/1$787
Tue 6/411:15 amPDX - OPO
3 stops35h 40mUnited Airlines
Deal found 5/31$812
Tue 6/47:55 amPDX - OPO
3 stops39h 00mUnited Airlines
Deal found 6/1$814

Find flights from Portland to Porto within your budget

Customize your flight search to find flights from Portland to Porto that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,810,401 searches. Data last updated June 2, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$886 - $1,838

Route

Depart

Return

Price

PortlandPorto

PDX - OPO

PDXOPO

Portland

Wed 8/14

2 stops19h 33m

Porto

Wed 8/28

1 stop32h 30m

$886

PortlandPorto

PDX - OPO

PDXOPO

Portland

Wed 8/14

1 stop36h 25m

Porto

Wed 8/28

1 stop32h 30m

$894

PortlandPorto

PDX - OPO

PDXOPO

Portland

Tue 8/13

2 stops25h 25m

Porto

Tue 8/27

2 stops22h 14m

$909

PortlandPorto

PDX - OPO

PDXOPO

Portland

Sat 8/17

3 stops38h 45m

Porto

Tue 8/27

2 stops17h 37m

$918

PortlandPorto

PDX - OPO

PDXOPO

Portland

Tue 8/20

2 stops34h 50m

Porto

Tue 8/27

2 stops21h 32m

$1,002

PortlandPorto

PDX - OPO

PDXOPO

Portland

Sun 8/18

1 stop23h 00m

Porto

Mon 8/26

2 stops20h 25m

$1,102

PortlandPorto

PDX - OPO

PDXOPO

Portland

Wed 7/3

2 stops18h 37m

Porto

Mon 7/29

2 stops21h 54m

$1,299

PortlandPorto

PDX - OPO

PDXOPO

Portland

Mon 7/1

2 stops30h 56m

Porto

Tue 7/16

2 stops37h 00m

$1,621

PortlandPorto

PDX - OPO

PDXOPO

Portland

Tue 7/2

2 stops26h 41m

Porto

Mon 7/29

2 stops20h 06m

$1,838

Flights are sorted by cheapest first

Deals found on 6/1

How far ahead should I book a flight from Portland to Porto?

Use this chart to determine the optimal time to book a round-trip flight from Portland to Porto. Price data was last updated on May 31, 2024.
To ensure you get the cheapest price possible for a flight from Portland to Porto, you should look to book at least 3 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
Search Deals

What is the cheapest day to fly from Portland to Porto?

Use this chart to determine the cheapest time to fly round-trip from Portland to Porto. Price data was last updated on May 26, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Portland to Porto flight should consider departing on Monday evenings when fares are most often at their lowest. Wednesday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Best time to book a flight from Portland to Porto

Have a flexible travel schedule? Discover the best time to fly to Porto from Portland with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Temperature and rainfall in Porto by month

Plan your trip to Porto by taking into account the average temperature and rainfall totals by month.

OPO

Temperature

48.2 - 68 °F

Reviews of airlines servicing Porto

Get insights into the airlines that provide service to Porto. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Porto. Reviews last updated June 2, 2024.
Peruse reviews from past customers who have flown with Iberia, KLM and Delta from Portland to Porto to help guide your decision. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
10,410 reviews
Check prices

Entertainment

8.0

Boarding

8.2

Overall

8.0

Crew

8.6

Comfort

7.9

Food

7.4

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

Delta
8.0
Very good
10,410 reviews
Delta
8.0
Very good
10,410 reviews
Check prices

Entertainment

8.0

Boarding

8.2

Overall

8.0

Crew

8.6

Comfort

7.9

Food

7.4

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

KLM
7.9
Good
1,507 reviews
Delta
8.0
Very good
10,410 reviews
Check prices

Entertainment

8.0

Boarding

8.2

Overall

8.0

Crew

8.6

Comfort

7.9

Food

7.4

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

SWISS
7.8
Good
1,940 reviews
Delta
8.0
Very good
10,410 reviews
Check prices

Entertainment

8.0

Boarding

8.2

Overall

8.0

Crew

8.6

Comfort

7.9

Food

7.4

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

WestJet
7.5
Good
2,861 reviews
Delta
8.0
Very good
10,410 reviews
Check prices

Entertainment

8.0

Boarding

8.2

Overall

8.0

Crew

8.6

Comfort

7.9

Food

7.4

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

United Airlines
7.4
Good
10,754 reviews
Delta
8.0
Very good
10,410 reviews
Check prices

Entertainment

8.0

Boarding

8.2

Overall

8.0

Crew

8.6

Comfort

7.9

Food

7.4

Reviews

1 / 10

Bad experience with the staff boarding the gate. I couldn’t board with my carry on, personal item and a funny bag. I had to put my passport inside my pockets and put the funny bag inside the personal item. Then after passing the staff pull out everything again.

Related info for your journey

Find useful and relevant information for your journey from Portland to Porto. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • Can I find flights from Portland to Porto for under $900 on Cheapflights?

    Yes, there are multiple flights from Portland to Porto for under $900. The cheapest flight booked recently is on Delta for just $886, but on average you can expect to pay $926.

  • Are there last-minute flights available from Portland to Porto for under $1,200?

    There are currently 7+ open flights from Portland to Porto within the next 7 days for less than $1,200.

  • What are the cheapest airlines flying from Portland to Porto round-trip?

    According to our current data, Delta ($886), and United Airlines ($909) offers the cheapest pricing from Portland to Porto. Delta is currently priced 23% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from Portland to Porto one-way?

    $710 is the cheapest one-way deal found within the past few days, from WestJet. You may also be able to find cheap deals on United Airlines and American Airlines, with prices starting from $772 and $2,289, respectively.

  • What does PDX to OPO mean?

    Portland Airport is PDX and Porto Airport is OPO. These codes are created by the International Air Transport Association (IATA) and airlines use them to identify the departing and arrival airports in the flight routes they service.

  • Can I find deals for flights from Portland to Porto that include extra baggage allowance?

    The amount of baggage you can bring on your Portland to Porto flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Portland to Porto with specific airlines?

    Yes, Cheapflights allows you to browse and filter Portland to Porto flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from Portland to Porto that include hotel bookings?

    Yes. In addition to deals on Portland to Porto flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Portland to Porto?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Portland to Porto.

  • Can I find deals for business class flights from Portland to Porto?

    Yes. Cheapflights offers flight deals from Portland to Porto by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from Portland to Porto that allow pets onboard?

    Many airlines flying from Portland to Porto offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Portland to Porto?

    Yes, you can often find last-minute deals on Portland to Porto flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Portland to Porto flight deals updated?

    The Portland to Porto flight deals you see on this page were last updated on 6/2.

  • What are the most popular airlines that fly from Portland to Porto?

    British Airways, Delta and Iberia are the most popular airlines when flying from Portland to Porto.

  • What is the cheapest month to book a flight from Portland to Porto?

    Currently, January is the cheapest month in which you can book a flight from Portland to Porto (average of $523). Flying from Portland to Porto in June is currently the most expensive (average of $994). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Portland to Porto
See prices for flight routes from nearby airports that may be better suited for you.

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Top 6 airlines flying from Portland to Porto

Discover the top 6 airlines that operate flights from Portland to Porto. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,810,401 searches. Data last updated June 2, 2024.
AirlineCheapestAverageFlexibilityOn-time
LufthansaCheapest$505Average$803FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
KLMCheapest$670Average$1,052FlexibilityNo cancel feeOn-time75%
Search KLM flights
IberiaCheapest$733Average$1,074FlexibilityNo cancel feeOn-time77%
Search Iberia flights
United AirlinesCheapest$779Average$1,502FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
DeltaCheapest$791Average$1,134FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
British AirwaysCheapest$794Average$1,055FlexibilityNo cancel feeOn-time70%
Search British Airways flights
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Search flights from Portland to Porto by cabin class

Find flights from Portland to Porto, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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Business Class
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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Portland to Porto?

Cheapflights helps you search for flights from Portland to Porto via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Portland to Porto?

Cheapflights simply makes it quick and affordable to book flights from Portland to Porto by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Portland to Porto with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Portland to Porto flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Portland to Porto become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Porto from Portland today and book when prices fit your budget.

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