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Helena

$149+ Cheap flights from Seattle to Helena (SEA - HLN)

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 7/2. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — HLN
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
1 adult, Economy
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Cheap flight deals from Seattle to Helena

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Helena (HLN). 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 February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$228
(Hawaiian Airlines)

One-way from

$149
(Alaska Airlines)

Popular in

December

Cheapest in

February

Average price

$217

Good round-trip deal

$238 or less

Good one-way deal

$309 or less
Provider with most accurate pricing for Seattle/Tacoma Intl-Helena flight deals.
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Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Helena flights.
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From Seattle/Tacoma Intl to Helena
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One-way flight from Seattle/Tacoma Intl to Helena
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Highest demand for flights based on searches. 20% potential increase in price ($74 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($17 potential savings vs. average RT price).
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Average for round-trip flights in February 2025
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Price to beat on a round-trip flight from Seattle/Tacoma Intl to Helena.
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Price to beat on a one-way flight from Seattle/Tacoma Intl to Helena.
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Find flight deals from Seattle to Helena

Cheapest flights from Seattle to Helena
Explore the most affordable flight options available from Seattle to Helena. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 20, 2025.

This Hawaiian Airlines deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/181:06 pmSEA - HLN
Nonstop1h 33mHawaiian Airlines
Mon 4/214:19 pmHLN - SEA
Nonstop1h 41mHawaiian Airlines
Deal found 2/19$198
This Alaska Airlines deal was found by Cheapflights users on 2/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/181:05 pmSEA - HLN
Nonstop1h 38mAlaska Airlines
Fri 6/204:10 pmHLN - SEA
Nonstop1h 49mAlaska Airlines
Deal found 2/18$238
This Delta deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/235:12 pmSEA - HLN
1 stop4h 46mDelta
Fri 4/251:18 pmHLN - SEA
1 stop4h 27mDelta
Deal found 2/20$258
This Kiwi.com deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/61:06 pmSEA - HLN
Nonstop1h 33mMultiple Airlines
Sun 4/134:19 pmHLN - SEA
Nonstop1h 41mMultiple Airlines
Deal found 2/20$297
This United Airlines deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/75:15 amSEA - HLN
1 stop7h 25mUnited Airlines
Tue 3/112:25 pmHLN - SEA
1 stop7h 36mUnited Airlines
Deal found 2/20$423

Find flights from Seattle to Helena within your budget

Customize your flight search to find flights from Seattle to Helena 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 2,558,603 searches. Data last updated February 20, 2025.

Fly from

Seattle

Fly to

Helena

Route

Depart

Return

Price

SeattleHelena

SEA - HLN

SEAHLN

Seattle/Tacoma Intl

Fri 4/18

1:06 pm-3:39 pm

Nonstop1h 33m

Helena

Mon 4/21

4:19 pm-5:00 pm

Nonstop1h 41m

$198

SeattleHelena

SEA - HLN

SEAHLN

Seattle/Tacoma Intl

Wed 6/18

1:05 pm-3:43 pm

Nonstop1h 38m

Helena

Fri 6/20

4:10 pm-4:59 pm

Nonstop1h 49m

$238

SeattleHelena

SEA - HLN

SEAHLN

Seattle/Tacoma Intl

Wed 4/23

5:12 pm-10:58 pm

1 stop4h 46m

Helena

Fri 4/25

1:18 pm-4:45 pm

1 stop4h 27m

$258

SeattleHelena

SEA - HLN

SEAHLN

Seattle/Tacoma Intl

Sun 4/6

1:06 pm-3:39 pm

Nonstop1h 33m

Helena

Sun 4/13

4:19 pm-5:00 pm

Nonstop1h 41m

$297

SeattleHelena

SEA - HLN

SEAHLN

Seattle/Tacoma Intl

Fri 3/7

5:15 am-1:40 pm

1 stop7h 25m

Helena

Tue 3/11

2:25 pm-9:01 pm

1 stop7h 36m

$423

SeattleHelena

SEA - HLN

SEAHLN

Seattle/Tacoma Intl

Wed 7/2

1:05 pm-3:43 pm

Nonstop1h 38m

$149

SeattleHelena

SEA - HLN

SEAHLN

Seattle/Tacoma Intl

Sun 3/9

5:30 am-12:35 pm

1 stop6h 05m

$159

SeattleHelena

SEA - HLN

SEAHLN

Seattle/Tacoma Intl

Wed 2/26

1:10 pm-3:42 pm

Nonstop1h 32m

$384

SeattleHelena

SEA - HLN

SEAHLN

Seattle/Tacoma Intl

Wed 7/2

7:00 am-8:59 pm

2 stops12h 59m

$395

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

Compare providers for flights from Seattle to Helena

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Seattle to Helena in February.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy1 starTrust Score*3 stars
CheapOairPrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Seattle-Helena flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Seattle-Helena flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Seattle-Helena flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Seattle-Helena flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Seattle-Helena flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Seattle to Helena

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

Travel insights for flights from Seattle to Helena

Get recent, data-driven insights about flights from Seattle to Helena including ideal travel times, pricing trends, and more.

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

Currently, February is the cheapest month in which you can book a flight from Seattle to Helena (average of $353). Flying from Seattle to Helena in July is currently the most expensive (average of $637). 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.

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

Find hourly flight availability from Seattle to Helena. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated February 20, 2025.

It’s optimal to fly from Seattle to Helena in the afternoon. By choosing this option you can save up to 64% on the cost of your flight, compared to a flight in the morning.

Rainfall in Helena by month

Plan your trip to Helena by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Helena ranges from 0.3 - 2.1 inches per month. June is typically the wettest month, when rainfall can reach 2.1 in. February is typically the driest time to visit Helena when rainfall is around 0.3 in.

Temperature in Helena by month

Plan your trip to Helena by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Helena, 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 69.8 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 21.2 F).

Reviews of airlines servicing Helena

Get insights into the airlines that provide service to Helena. 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 Helena. Reviews last updated February 20, 2025.
Alaska Airlines
8.0
Very good
9,692 reviews

Crew

8.5

Food

7.1

Comfort

7.9

Overall

8.0

Boarding

8.2

Entertainment

7.1

Reviews

1 / 20

8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥

Alaska Airlines
8.0
Very good
9,692 reviews
Alaska Airlines
8.0
Very good
9,692 reviews

Crew

8.5

Food

7.1

Comfort

7.9

Overall

8.0

Boarding

8.2

Entertainment

7.1

Reviews

1 / 20

8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥

Delta
8.0
Very good
8,220 reviews
Alaska Airlines
8.0
Very good
9,692 reviews

Crew

8.5

Food

7.1

Comfort

7.9

Overall

8.0

Boarding

8.2

Entertainment

7.1

Reviews

1 / 20

8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥

Hawaiian Airlines
7.9
Good
2,317 reviews
Alaska Airlines
8.0
Very good
9,692 reviews

Crew

8.5

Food

7.1

Comfort

7.9

Overall

8.0

Boarding

8.2

Entertainment

7.1

Reviews

1 / 20

8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥

United Airlines
7.4
Good
8,766 reviews
Alaska Airlines
8.0
Very good
9,692 reviews

Crew

8.5

Food

7.1

Comfort

7.9

Overall

8.0

Boarding

8.2

Entertainment

7.1

Reviews

1 / 20

8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥

Related info for your journey

Find useful and relevant information for your journey from Seattle to Helena. 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 Seattle to Helena?

    Booking a flight from Seattle/Tacoma Intl (SEA) to Helena (HLN) is your only option if you wish to fly from Seattle to Helena. On a typical day, there are 2 flights from Seattle/Tacoma Intl to Helena, all of which are around 1h 32m for a nonstop flight. You can also purchase a plane ticket from 1 airline when you book a flight from Seattle/Tacoma Intl to Helena.

  • How popular is this Seattle to Helena flight route?

    This flight path from Seattle/Tacoma Intl to Helena was viewed by 3 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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

    Hawaiian Airlines, at $228, was found to be the cheapest airline from Seattle to Helena.Alternate airlines to your destination round-trip include Delta and Alaska Airlines. Hawaiian Airlines is priced at 19% lower than the current average price of a flight leaving 3 months from now.

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

    For one-way options, check prices for Alaska Airlines. According to our data, you can fly for as low as $149. Users have also found prices from $159 and $384 on Delta and Hawaiian Airlines, respectively.

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

    Before booking your flight to Helena from Seattle, check out the most reliable airlines to get you to your destination on time: Horizon Air (86%), Korean Air (86%), Alaska Airlines( 76%).

  • What are the cheapest flights from Seattle to Helena?

    While on average a flight from Seattle to Helena is generally $323, our data shows the cheapest flight currently is $119. When looking at the most popular route, (Seattle/Tacoma Intl - Helena), you can expect to pay $198 for that flight.

  • Can I find deals for flights from Seattle to Helena that include hotel bookings?

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

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

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

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

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

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

    Currently, February is the cheapest month in which you can book a flight from Seattle to Helena (average of $353). Flying from Seattle to Helena in July is currently the most expensive (average of $637). 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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Top airline flying from Seattle to Helena

Discover the top airline that operate flights from Seattle to Helena. 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 2,558,603 searches. Data last updated February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$156Average$264FlexibilityNo cancel feeOn-time75%
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