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Cheap flights from Ontario (ONT) to Porto (OPO) from $609

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 7/15. 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.
ONT — OPO
Jun 14 — Jun 211
From?
To?
Fri 6/14
Fri 6/21
1 adult, Economy
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How far in advance should I book a flight from Ontario to Porto?

To save on the cost of your flight from Ontario to Porto, book at least 12 days before your planned departure. Booking around this time can save you about 40% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $698 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $1,279.

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

January is one of the best times of the year to fly to Porto from Ontario. Prices for January average $1,035 per person but you can even find prices for as low as $504. The most expensive prices can be found in the month of June. Opting for a January flight can save you 30% on your journey compared to booking in June

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

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Ontario to Porto as you normally would.

Cheap Ontario to Porto flights in June & July 2024

Find cheap flight options from Ontario 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 3,020,828 searches. Prices were last updated on June 9, 2024.
Listed are some of the best fares we've found on flights departing from Ontario to Porto in 2024. More deals are always being added, so be sure to check back regularly.
Wed 7/318:10 amONT - OPO
2 stops23h 45mIberia
Thu 9/1212:20 pmOPO - ONT
2 stops19h 36mIberia
Deal found 6/8$691
Wed 7/318:10 amONT - OPO
2 stops23h 45mIberia
Mon 9/912:20 pmOPO - ONT
2 stops19h 36mIberia
Deal found 6/8$791
Mon 7/296:00 amONT - OPO
2 stops16h 55mUnited Airlines
Thu 8/296:00 amOPO - ONT
2 stops23h 02mUnited Airlines
Deal found 6/9$870
Wed 7/318:10 amONT - OPO
2 stops23h 45mIberia
Fri 9/1312:25 pmOPO - ONT
2 stops19h 31mIberia
Deal found 6/8$963
Mon 7/292:47 pmONT - OPO
2 stops21h 08mAmerican Airlines
Wed 8/1412:25 pmOPO - ONT
2 stops38h 23mAmerican Airlines
Deal found 6/8$1,016
Wed 7/318:10 amONT - OPO
2 stops23h 45mIberia
Sun 9/1512:20 pmOPO - ONT
2 stops19h 36mIberia
Deal found 6/8$1,052
Mon 7/156:00 amONT - OPO
2 stops16h 55mUnited Airlines
Mon 7/299:00 amOPO - ONT
2 stops21h 45mUnited Airlines
Deal found 6/9$1,211
Wed 7/318:10 amONT - OPO
2 stops23h 45mIberia
Sat 9/148:35 pmOPO - ONT
2 stops31h 09mIberia
Deal found 6/8$1,327
Sun 6/236:25 pmONT - OPO
2 stops28h 30mUnited Airlines
Sun 7/219:00 amOPO - ONT
2 stops35h 33mUnited Airlines
Deal found 6/8$1,973

Ontario to Porto 2024 flight deals

Discover exclusive flight deals for travel between Ontario and Porto in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,020,828 searches. Data last updated June 9, 2024.
Listed are some of the best fares we've found on flights departing from Ontario to Porto in 2024. More deals are always being added, so be sure to check back regularly.
Tue 8/62:39 pmONT - OPO
2 stops17h 16mIberia
Wed 9/1112:25 pmOPO - ONT
2 stops19h 31mIberia
Deal found 6/8$691
Wed 11/66:00 amONT - OPO
2 stops20h 50mDelta
Wed 12/115:00 amOPO - ONT
2 stops25h 28mDelta
Deal found 6/8$700
Sun 10/206:00 amONT - OPO
2 stops25h 30mDelta
Wed 11/2711:15 amOPO - ONT
2 stops38h 47mDelta
Deal found 6/8$703
Tue 11/51:42 pmONT - OPO
2 stops37h 08mDelta
Mon 12/911:15 amOPO - ONT
2 stops44h 36mDelta
Deal found 6/8$706
Sun 10/206:00 amONT - OPO
2 stops25h 30mDelta
Mon 11/2511:15 amOPO - ONT
2 stops44h 36mDelta
Deal found 6/8$707
Sat 10/195:00 pmONT - OPO
2 stops38h 30mDelta
Thu 11/2111:15 amOPO - ONT
2 stops44h 36mDelta
Deal found 6/8$709
Sat 10/191:42 pmONT - OPO
2 stops41h 48mDelta
Mon 11/2511:15 amOPO - ONT
2 stops44h 36mDelta
Deal found 6/8$713
Sun 8/41:21 pmONT - OPO
2 stops24h 54mDelta
Fri 9/136:30 amOPO - ONT
2 stops25h 16mDelta
Deal found 6/8$720
Sun 10/206:00 amONT - OPO
2 stops19h 45mUnited Airlines
Sun 11/246:00 amOPO - ONT
2 stops22h 25mUnited Airlines
Deal found 6/9$732

Ontario to Porto flights leaving soon

Find last-minute flight options from Ontario 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 3,020,828 searches. Data last updated June 9, 2024.
Users seeking a last-minute flight from Ontario to Porto should consider booking one of these fares. Users should double check the flight they book to ensure it matches the day, time, and destination they're looking for.
Sat 6/158:10 amONT - OPO
2 stops19h 30mAmerican Airlines
Wed 6/268:15 amOPO - ONT
2 stops21h 54mAmerican Airlines
Deal found 6/8$7,484

One-way flights to Porto from Ontario

Search for one-way flight options from Ontario 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 3,020,828 searches. Data last updated June 9, 2024.
Take a look at some of the best available options we've come across on one-way flights from Ontario to Porto. Those seeking round-trip flights from Ontario to Porto should utilize the search form at the the top of the page.
Mon 7/156:00 amONT - OPO
2 stops19h 45mUnited Airlines
Deal found 6/8$609
Sat 8/311:59 pmONT - OPO
2 stops35h 56mAmerican Airlines
Deal found 6/8$638
Thu 8/228:10 amONT - OPO
2 stops19h 35mAmerican Airlines
Deal found 6/9$2,231
Thu 8/2211:47 pmONT - OPO
2 stops27h 08mMultiple Airlines
Deal found 6/9$4,129
Mon 7/155:10 amONT - OPO
3 stops20h 35mUnited Airlines
Deal found 6/8$4,607

Find flights from Ontario to Porto within your budget

Customize your flight search to find flights from Ontario 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 3,020,828 searches. Data last updated June 9, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$691 - $1,355

Route

Depart

Return

Price

OntarioPorto

ONT - OPO

ONTOPO

Ontario

Tue 8/6

2 stops17h 16m

Porto

Wed 9/11

2 stops19h 31m

$691

OntarioPorto

ONT - OPO

ONTOPO

Ontario

Sun 8/4

2 stops24h 54m

Porto

Fri 9/13

2 stops25h 16m

$720

OntarioPorto

ONT - OPO

ONTOPO

Ontario

Sat 8/3

2 stops17h 08m

Porto

Wed 9/11

2 stops19h 31m

$741

OntarioPorto

ONT - OPO

ONTOPO

Ontario

Fri 8/2

2 stops24h 11m

Porto

Wed 9/11

2 stops20h 21m

$780

OntarioPorto

ONT - OPO

ONTOPO

Ontario

Wed 7/31

2 stops23h 45m

Porto

Mon 9/9

2 stops19h 36m

$791

OntarioPorto

ONT - OPO

ONTOPO

Ontario

Mon 7/29

2 stops16h 55m

Porto

Thu 8/29

2 stops23h 02m

$870

OntarioPorto

ONT - OPO

ONTOPO

Ontario

Mon 7/29

2 stops21h 08m

Porto

Wed 8/14

2 stops38h 23m

$1,016

OntarioPorto

ONT - OPO

ONTOPO

Ontario

Fri 8/2

2 stops20h 07m

Porto

Fri 9/13

2 stops21h 31m

$1,191

OntarioPorto

ONT - OPO

ONTOPO

Ontario

Thu 8/1

2 stops20h 45m

Porto

Sat 9/14

2 stops23h 02m

$1,355

Flights are sorted by cheapest first

Deals found on 6/8

No data available for this route at this time. Please check back soon.

Best time to book a flight from Ontario to Porto

Have a flexible travel schedule? Discover the best time to fly to Porto from Ontario 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.

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 9, 2024.
Read reviews from past customers who have flown American Airlines, Iberia and Delta from Ontario to Porto. 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
10,310 reviews

Food

7.4

Crew

8.6

Entertainment

8.0

Overall

8.0

Comfort

7.9

Boarding

8.2

Reviews

1 / 10

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin

Delta
8.0
Very good
10,310 reviews
Delta
8.0
Very good
10,310 reviews

Food

7.4

Crew

8.6

Entertainment

8.0

Overall

8.0

Comfort

7.9

Boarding

8.2

Reviews

1 / 10

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin

Air France
7.5
Good
1,711 reviews
Delta
8.0
Very good
10,310 reviews

Food

7.4

Crew

8.6

Entertainment

8.0

Overall

8.0

Comfort

7.9

Boarding

8.2

Reviews

1 / 10

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin

United Airlines
7.4
Good
10,661 reviews
Delta
8.0
Very good
10,310 reviews

Food

7.4

Crew

8.6

Entertainment

8.0

Overall

8.0

Comfort

7.9

Boarding

8.2

Reviews

1 / 10

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin

American Airlines
7.3
Good
14,172 reviews
Delta
8.0
Very good
10,310 reviews

Food

7.4

Crew

8.6

Entertainment

8.0

Overall

8.0

Comfort

7.9

Boarding

8.2

Reviews

1 / 10

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin

Iberia
7.1
Good
2,721 reviews
Delta
8.0
Very good
10,310 reviews

Food

7.4

Crew

8.6

Entertainment

8.0

Overall

8.0

Comfort

7.9

Boarding

8.2

Reviews

1 / 10

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin

Related info for your journey

Find useful and relevant information for your journey from Ontario 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 Ontario to Porto for under $700 on Cheapflights?

    Yes, there are multiple flights from Ontario to Porto for under $700. The cheapest flight booked recently is on Iberia for just $691, but on average you can expect to pay $873.

  • Are there last-minute flights available from Ontario to Porto for under $7,500?

    There are currently 1+ open flights from Ontario to Porto within the next 7 days for less than $7,500.

  • What does ONT to OPO mean?

    Ontario Airport is ONT 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 Ontario to Porto that include extra baggage allowance?

    The amount of baggage you can bring on your Ontario 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 Ontario to Porto with specific airlines?

    Yes, Cheapflights allows you to browse and filter Ontario 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 Ontario to Porto that include hotel bookings?

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

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

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

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

    Yes. Cheapflights offers flight deals from Ontario 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 Ontario to Porto that allow pets onboard?

    Many airlines flying from Ontario 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 Ontario to Porto?

    Yes, you can often find last-minute deals on Ontario 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 Ontario to Porto flight deals updated?

    The Ontario to Porto flight deals you see on this page were last updated on 6/9.

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

    Currently, January is the cheapest month in which you can book a flight from Ontario to Porto (average of $524). Flying from Ontario to Porto in June is currently the most expensive (average of $986). 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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Search flights from Ontario to Porto by cabin class

Find flights from Ontario to Porto, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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