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Cheap flights from Helena to Seattle (HLN - SEA) from $89

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 8/13. 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.
HLN — SEA
Jun 14 — Jun 211
From?
To?
Fri 6/14
Fri 6/21
1 adult, Economy
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The best prices from Helena to Seattle/Tacoma Intl are usually found in February or May, booked 43 days in advance, depart on a Saturday or Friday and return on a Saturday

Cheap flight deals from Helena to Seattle

Discover tips and strategies to find the most affordable flight options for your journey from Helena (HLN) to Seattle (SEA). 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 9, 2024.

Popular in

October

Cheapest in

February

Round-trip from

$247

One-way from

$99
High demand for flights, 21% potential price rise
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Best time to find cheap flights, 30% potential price drop
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From Helena to Seattle/Tacoma Intl
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One-way flight from Helena to Seattle/Tacoma Intl
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What is the cheapest day to fly round-trip from Helena to Seattle?

Tuesday flights are generally found to be more expensive for flights from Helena to Seattle. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Seattle.

How far in advance should I book a flight from Helena to Seattle?

To save on the cost of your flight from Helena to Seattle, book at least 44 days before your planned departure. Booking around this time can save you about 403% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $339 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $842.

What is the cheapest month to fly from Helena to Seattle?

February can be a great time to fly to Seattle from Helena with a flight ticket averaging about $262. Cheapflights users have found deals in the month of February for as cheap as $108. The most expensive prices can be found in the month of October.

What is the cheapest time of day to fly from HLN to SEA?

A simple way to save on the total cost of your ticket is to fly from Helena to Seattle in the morning. If you’re flexible enough to do this you can expect to save up to 40% on your trip compared to booking a flight at noon.

Cheap Helena to Seattle flights in June & July 2024

Find cheap flight options from Helena to Seattle 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 Helena to Seattle in 2024. More deals are always being added, so be sure to check back regularly.
Thu 7/113:42 pmHLN - SEA
Nonstop1h 46mAlaska Airlines
Sun 7/149:22 pmSEA - HLN
Nonstop1h 37mAlaska Airlines
Deal found 6/9$197
Thu 6/273:42 pmHLN - SEA
Nonstop1h 46mAlaska Airlines
Mon 7/19:22 pmSEA - HLN
Nonstop1h 37mAlaska Airlines
Deal found 6/7$247
Thu 7/111:11 pmHLN - SEA
1 stop6h 13mDelta
Sun 7/145:30 amSEA - HLN
1 stop6h 01mDelta
Deal found 6/9$311
Sat 6/152:15 pmHLN - SEA
1 stop8h 05mUnited Airlines
Mon 6/172:22 pmSEA - HLN
1 stop6h 04mUnited Airlines
Deal found 6/9$496
Sat 6/152:15 pmHLN - SEA
1 stop8h 05mUnited Airlines
Mon 6/1711:59 pmSEA - HLN
2 stops12h 40mUnited Airlines
Deal found 6/9$501
Thu 6/276:00 amHLN - SEA
1 stop5h 03mDelta
Mon 7/15:30 amSEA - HLN
1 stop6h 10mDelta
Deal found 6/7$556
Thu 7/116:45 amHLN - SEA
2 stops17h 00mUnited Airlines
Sun 7/145:05 amSEA - HLN
1 stop15h 13mUnited Airlines
Deal found 6/9$614
Sat 6/156:53 amHLN - SEA
2 stops16h 18mUnited Airlines
Mon 6/1711:59 pmSEA - HLN
2 stops12h 40mUnited Airlines
Deal found 6/9$700
Thu 6/272:30 pmHLN - SEA
1 stop9h 15mUnited Airlines
Mon 7/13:35 pmSEA - HLN
2 stops28h 43mUnited Airlines
Deal found 6/7$855

Helena to Seattle 2024 flight deals

Discover exclusive flight deals for travel between Helena and Seattle 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 Helena to Seattle in 2024. More deals are always being added, so be sure to check back regularly.
Wed 10/24:13 pmHLN - SEA
Nonstop1h 45mAlaska Airlines
Sat 10/512:57 pmSEA - HLN
Nonstop1h 36mAlaska Airlines
Deal found 6/8$177
Thu 7/113:42 pmHLN - SEA
Nonstop1h 46mAlaska Airlines
Sun 7/149:22 pmSEA - HLN
Nonstop1h 37mAlaska Airlines
Deal found 6/9$197
Thu 6/273:42 pmHLN - SEA
Nonstop1h 46mAlaska Airlines
Mon 7/19:22 pmSEA - HLN
Nonstop1h 37mAlaska Airlines
Deal found 6/7$247
Wed 10/21:10 pmHLN - SEA
1 stop4h 50mDelta
Sat 10/55:30 amSEA - HLN
1 stop6h 00mDelta
Deal found 6/8$277
Thu 7/111:11 pmHLN - SEA
1 stop6h 13mDelta
Sun 7/145:30 amSEA - HLN
1 stop6h 01mDelta
Deal found 6/9$311
Fri 12/132:42 pmHLN - SEA
Nonstop1h 45mAlaska Airlines
Mon 12/1611:26 amSEA - HLN
Nonstop1h 36mAlaska Airlines
Deal found 6/9$442
Sat 6/152:15 pmHLN - SEA
1 stop8h 05mUnited Airlines
Mon 6/172:22 pmSEA - HLN
1 stop6h 04mUnited Airlines
Deal found 6/9$496
Sat 6/152:15 pmHLN - SEA
1 stop8h 05mUnited Airlines
Mon 6/1711:59 pmSEA - HLN
2 stops12h 40mUnited Airlines
Deal found 6/9$501
Thu 6/276:00 amHLN - SEA
1 stop5h 03mDelta
Mon 7/15:30 amSEA - HLN
1 stop6h 10mDelta
Deal found 6/7$556

One-way flights to Seattle from Helena

Search for one-way flight options from Helena to Seattle. 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 one-way flights we've detected from Helena to Seattle. Users needing a return flight from Helena to Seattle should utilize the search form above.
Tue 8/133:42 pmHLN - SEA
Nonstop1h 46mAlaska Airlines
Deal found 6/8$89
Sat 9/146:00 amHLN - SEA
1 stop4h 15mDelta
Deal found 6/8$98
Mon 8/123:42 pmHLN - SEA
Nonstop1h 46mAlaska Airlines
Deal found 6/8$99
Tue 8/131:11 pmHLN - SEA
1 stop4h 30mDelta
Deal found 6/8$128
Wed 7/311:11 pmHLN - SEA
1 stop6h 13mDelta
Deal found 6/9$183
Sat 9/142:26 pmHLN - SEA
2 stops32h 56mUnited Airlines
Deal found 6/8$318
Mon 8/126:45 amHLN - SEA
2 stops32h 44mUnited Airlines
Deal found 6/8$338
Tue 8/136:45 amHLN - SEA
2 stops32h 44mUnited Airlines
Deal found 6/8$368
Mon 8/122:30 pmHLN - SEA
3 stops33h 15mUnited Airlines
Deal found 6/8$418

Find flights from Helena to Seattle within your budget

Customize your flight search to find flights from Helena to Seattle 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

$177 - $637

Route

Depart

Return

Price

HelenaSeattle/Tacoma Intl

HLN - SEA

HLNSEA

Helena

Wed 10/2

Nonstop1h 45m

Seattle/Tacoma Intl

Sat 10/5

Nonstop1h 36m

$177

HelenaSeattle/Tacoma Intl

HLN - SEA

HLNSEA

Helena

Thu 7/11

Nonstop1h 46m

Seattle/Tacoma Intl

Sun 7/14

Nonstop1h 37m

$197

HelenaSeattle/Tacoma Intl

HLN - SEA

HLNSEA

Helena

Thu 6/27

Nonstop1h 46m

Seattle/Tacoma Intl

Mon 7/1

Nonstop1h 37m

$247

HelenaSeattle/Tacoma Intl

HLN - SEA

HLNSEA

Helena

Wed 10/2

1 stop4h 50m

Seattle/Tacoma Intl

Sat 10/5

1 stop6h 00m

$277

HelenaSeattle/Tacoma Intl

HLN - SEA

HLNSEA

Helena

Thu 7/11

1 stop6h 13m

Seattle/Tacoma Intl

Sun 7/14

1 stop6h 01m

$311

HelenaSeattle/Tacoma Intl

HLN - SEA

HLNSEA

Helena

Thu 6/27

1 stop5h 03m

Seattle/Tacoma Intl

Mon 7/1

1 stop6h 10m

$556

HelenaSeattle/Tacoma Intl

HLN - SEA

HLNSEA

Helena

Thu 7/11

2 stops17h 00m

Seattle/Tacoma Intl

Sun 7/14

1 stop15h 13m

$614

HelenaSeattle/Tacoma Intl

HLN - SEA

HLNSEA

Helena

Wed 10/2

1 stop28h 26m

Seattle/Tacoma Intl

Sat 10/5

2 stops13h 17m

$616

HelenaSeattle/Tacoma Intl

HLN - SEA

HLNSEA

Helena

Wed 10/2

2 stops16h 37m

Seattle/Tacoma Intl

Sat 10/5

2 stops13h 17m

$637

Flights are sorted by cheapest first

Deals found on 6/8

How far ahead should I book a flight from Helena to Seattle?

Use this chart to determine the optimal time to book a round-trip flight from Helena to Seattle. Price data was last updated on May 31, 2024.
To ensure you get the cheapest price possible for a flight from Helena to Seattle, you should look to book at least 43 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.
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What is the cheapest day to fly from Helena to Seattle?

Use this chart to determine the cheapest time to fly round-trip from Helena to Seattle. Price data was last updated on June 2, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Helena to Seattle flight should consider departing on Saturday mornings when fares are most often at their lowest. Tuesday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
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Best time to book a flight from Helena to Seattle

Have a flexible travel schedule? Discover the best time to fly to Seattle from Helena 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 Seattle by month

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

SEA

Temperature

41 - 66.2 °F

If weather is an important factor for your trip to Seattle, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. 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 Seattle. Reviews last updated June 9, 2024.
See what other customers who have flown with Alaska Airlines, United Airlines and Delta from Helena to Seattle have to say. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.1
Very good
9,254 reviews

Comfort

7.9

Food

7.3

Crew

8.6

Boarding

8.2

Entertainment

7.3

Overall

8.1

Reviews

1 / 10

There were no major issues. A bit of delay but it was understandable. It was a good experience otherwise.

Alaska Airlines
8.1
Very good
9,254 reviews
Alaska Airlines
8.1
Very good
9,254 reviews

Comfort

7.9

Food

7.3

Crew

8.6

Boarding

8.2

Entertainment

7.3

Overall

8.1

Reviews

1 / 10

There were no major issues. A bit of delay but it was understandable. It was a good experience otherwise.

Delta
8.0
Very good
10,310 reviews
Alaska Airlines
8.1
Very good
9,254 reviews

Comfort

7.9

Food

7.3

Crew

8.6

Boarding

8.2

Entertainment

7.3

Overall

8.1

Reviews

1 / 10

There were no major issues. A bit of delay but it was understandable. It was a good experience otherwise.

United Airlines
7.4
Good
10,661 reviews
Alaska Airlines
8.1
Very good
9,254 reviews

Comfort

7.9

Food

7.3

Crew

8.6

Boarding

8.2

Entertainment

7.3

Overall

8.1

Reviews

1 / 10

There were no major issues. A bit of delay but it was understandable. It was a good experience otherwise.

Related info for your journey

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

  • What airports do I use to fly from Helena to Seattle?

    If you wish to fly to Seattle from Helena, then you need to book flights from Helena to Seattle/Tacoma Intl. There are 2 flights from Helena (HLN) to Seattle/Tacoma Intl (SEA) per day to choose from. Flights to Seattle from Helena are available from 2 different airlines, which means you should have some options if you want to compare airfare deals. 1h 50m is how long a nonstop flight from Helena to Seattle/Tacoma Intl typically takes.

  • Can I find flights from Helena to Seattle for under $200 on Cheapflights?

    Yes, there are multiple flights from Helena to Seattle for under $200. The cheapest flight booked recently is on Alaska Airlines for just $177, but on average you can expect to pay $469.

  • Are there nonstop flights from Helena to Seattle for under $200 on Cheapflights?

    Cheapflights has at least 3 direct flights from Helena to Seattle under $200. A good price for a nonstop flight from Helena to Seattle is less than $207.

  • How popular is this Helena to Seattle flight route?

    Within the past month, 3 users have taken a look at flights from Helena to Seattle/Tacoma Intl.

  • What are the cheapest airlines flying from Helena to Seattle round-trip?

    Flying on Alaska Airlines is currently your cheapest option to Seattle, with prices starting at $177. Additional round-trip tickets that might be worth considering are offered by Delta and United Airlines, with the lowest prices starting at $277 and $614, respectively. Users have found that Alaska Airlines is 32% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Helena to Seattle one-way?

    For one-way options, check prices for Alaska Airlines. According to our data, you can fly for as low as $89. Users have also found prices from $98 and $318 on Delta and United Airlines, respectively.

  • What are the most reliable airlines from Helena to Seattle?

    Before booking your flight to Seattle from Helena, check out the most reliable airlines to get you to your destination on time: Korean Air (95%), Alaska Airlines (90%), Horizon Air( 90%).

  • What are the cheapest flights from Helena to Seattle?

    On average you can expect to pay $487 for a flight from Helena to Seattle. The cheapest flight overall is $167 while the most popular route, (Helena - Seattle/Tacoma Intl) is currently priced at $197.

  • What does HLN to SEA mean?

    HLN and SEA are unique codes to identify airports used in the aviation industry. They are defined by IATA (International Air Transport Association) and are commonly called IATA codes. HLN to SEA refers to a flight route from Helena Airport to Seattle/Tacoma Intl Airport.

  • Can I find deals for flights from Helena to Seattle that include extra baggage allowance?

    The amount of baggage you can bring on your Helena to Seattle 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 Helena to Seattle with specific airlines?

    Yes, Cheapflights allows you to browse and filter Helena to Seattle 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 Helena to Seattle that include hotel bookings?

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

  • How can I find direct flights from Helena to Seattle?

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

  • Can I find deals for business class flights from Helena to Seattle?

    Yes. Cheapflights offers flight deals from Helena to Seattle 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 Helena to Seattle that allow pets onboard?

    Many airlines flying from Helena to Seattle 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 Helena to Seattle?

    Yes, you can often find last-minute deals on Helena to Seattle 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 Helena to Seattle flight deals updated?

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

  • What is the cheapest month to book a flight from Helena to Seattle?

    Currently, January is the cheapest month in which you can book a flight from Helena to Seattle (average of $247). Flying from Helena to Seattle in July is currently the most expensive (average of $407). 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.

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Alternative routes for Helena to Seattle
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Top 2 airlines flying from Helena to Seattle

Discover the top 2 airlines that operate flights from Helena to Seattle. 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 3,020,828 searches. Data last updated June 9, 2024.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$108Average$246FlexibilityNo cancel feeOn-time75%
DeltaCheapest$211Average$458FlexibilityNo cancel feeOn-timeN/A
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Search flights from Helena to Seattle by cabin class

Find flights from Helena to Seattle, based on your preferred cabin class, be it economy, premium economy, business, or first class.
First Class
Business Class
Prem Econ Class
Economy Class

Hourly flight availability from Helena to Seattle

Find hourly flight availability from Helena to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 9, 2024.
1%of flight departuresEarly morningMidnight to 6 am
63%of flight departuresMorning6 am to noon
36%of flight departuresAfternoonNoon to 6 pm
0%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM

Weekly flight availability from Helena to Seattle

Explore weekly flight availability from Helena to Seattle. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated June 9, 2024.
Sunday2daily flights
Monday2daily flights
Tuesday2daily flights
Wednesday2daily flights
Thursday2daily flights
Friday2daily flights
Saturday2daily flights

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