SEA - HLN

$179 Find Cheap Flights from Seattle to Helena

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Seattle to Helena departing on 7/24. 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.
1 adult
1 adult, Economy

KAYAK searches hundreds of travel sites at once for deals on flights to Helena

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Seattle to Helena, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Seattle to Helena, as well as popular online travel agencies
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Flights Deals

Cheap Flights from Seattle to Helena (SEA-HLN)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Seattle to Helena that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Seattle to Helena

Fri, Aug 22 - Sun, Aug 24
Alaska Airlines Logo
12:46 pm - 3:21 pmSEA-HLN
1h 35mnonstop
Alaska Airlines Logo
4:02 pm - 4:50 pmHLN-SEA
1h 48mnonstop
$217Alaska Airlines
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Tue, Aug 19 - Thu, Aug 21
Alaska Airlines Logo
12:59 pm - 3:31 pmSEA-HLN
1h 32mnonstop
Alaska Airlines Logo
4:02 pm - 4:50 pmHLN-SEA
1h 48mnonstop
$258Alaska Airlines
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Tue, Aug 19 - Thu, Aug 21
United Airlines Logo
5:07 am - 1:30 pmSEA-HLN
7h 23m1 stop
United Airlines Logo
5:20 pm - 10:59 pmHLN-SEA
6h 39m1 stop
$327United Airlines
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Thu, Jul 24 - Sun, Jul 27
Hawaiian Airlines Logo
12:59 pm - 3:31 pmSEA-HLN
1h 32mnonstop
Hawaiian Airlines Logo
4:09 pm - 4:56 pmHLN-SEA
1h 47mnonstop
$328Hawaiian Airlines
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Tue, Jun 24 - Tue, Jul 1
Hawaiian Airlines Logo
12:59 pm - 3:31 pmSEA-HLN
1h 32mnonstop
Hawaiian Airlines Logo
4:09 pm - 4:56 pmHLN-SEA
1h 47mnonstop
$373Hawaiian Airlines
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Fri, Aug 22 - Thu, Aug 28
Delta Logo
5:30 am - 12:20 pmSEA-HLN
5h 50m1 stop
Delta Logo
1:00 pm - 7:00 pmHLN-SEA
7h 00m1 stop
$399Delta
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Fri, Aug 22 - Thu, Aug 28
United Airlines Logo
2:29 pm - 4:04 pmSEA-HLN
24h 35m3 stops
United Airlines Logo
5:20 pm - 10:59 pmHLN-SEA
6h 39m1 stop
$412United Airlines
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Fri, Aug 22 - Thu, Aug 28
Delta Logo
5:30 am - 12:20 pmSEA-HLN
5h 50m1 stop
Delta Logo
1:00 pm - 7:00 pmHLN-SEA
7h 00m1 stop
$428Delta
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Fri, Aug 22 - Sun, Aug 24
Logo
5:07 am - 1:30 pmSEA-HLN
7h 23m1 stop
Logo
4:02 pm - 4:50 pmHLN-SEA
1h 48mnonstop
$553
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Fri, Jul 25 - Sun, Jul 27
Logo
5:00 am - 1:58 pmSEA-HLN
7h 58m1 stop
Logo
4:09 pm - 4:56 pmHLN-SEA
1h 47mnonstop
$654
Find Deal
Useful Info

KAYAK's insights & trends for Seattle to Helena flights

Get data-powered insights and trends into flights from Seattle to Helena to help you find the cheapest flights, the best time to fly and much more.

What’s the cheapest day of the week to fly from Seattle to Helena?

The average price of all round-trip flights from Seattle to Helena clicked on KAYAK for each day over the last 12 months.

If your flying dates are flexible, you should consider flying to Helena on a Friday, as we generally find the cheapest rates on that day for this route. On the other hand, Saturday is the most expensive day to fly from Seattle to Helena. For your return ticket, we recommend flying on a Thursday and avoiding Fridays for the best deals.

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

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Seattle to Helena, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Seattle to Helena is February, where tickets cost $217 (return) on average. On the other hand, the most expensive months are December and November, where the average cost of round-trip tickets is $468 and $368 respectively.

Can I save money by flying with a layover from Seattle to Helena?

The average round-trip price for all non-stop flights, flights with one layover, and flights with two layovers for the route found by users searching on KAYAK in the last 2 weeks.

Yes, flying with a layover may cost you more time, but you can also save money on the route, with a 1 stop layover the cheapest option at $461 on average.

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Good to know

Low seasonMay
High seasonAugust
Cheapest flight$179
Best time to beat the crowds but there is an average 4% increase in price.
Most popular time to fly and prices are also 0% lower on average.
Flight from Seattle to Helena

When to book flights from Seattle to Helena

Are your dates flexible? Find out the best times to travel from Seattle to Helena based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from Seattle to Helena

  • What is the cheapest flight from Seattle to Helena?

    In the last 3 days, the lowest price for a flight from Seattle to Helena was $179 for a one-way ticket and $217 for a round-trip.

  • Do I need a passport to fly between Seattle and Helena?

    No

  • Which airlines offer Wi-Fi service onboard planes from Seattle to Helena?

    Only Alaska Airlines offers inflight Wi-Fi service on the Seattle to Helena flight route.

  • Which aircraft models fly most regularly from Seattle to Helena?

    The Embraer 175 is the aircraft model that flies most regularly on the Seattle to Helena flight route.

  • Which airline alliances offer flights from Seattle to Helena?

    oneworld, and SkyTeam are the airline alliances operating flights between Seattle and Helena, with SkyTeam being the most commonly used for this route.

  • On which days can I fly direct from Seattle to Helena?

    There are nonstop flights from Seattle to Helena on a daily basis.

  • How does KAYAK find such low prices on flights from Seattle to Helena?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Seattle to Helena.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Seattle to Helena?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Helena from Seattle is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Seattle to Helena?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Helena with an airline and back to Seattle with another airline. Booking your flights between Seattle and HLN can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Seattle to Helena?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Helena from Seattle up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

KAYAK’s top tips for finding a cheap flight from Seattle to Helena

  • Looking for a cheap flight? 25% of our users found flights on this route for $219 or less one-way.

Prefer to fly direct from Seattle to Helena?

Find which airlines fly direct from Seattle/Tacoma Intl Airport to Helena Airport, which days they fly and book direct flights.

Direct departures

Seattle/Tacoma Intl to Helena

Monday

Alaska Airlines, Hawaiian Airlines, Korean Air

Alaska Airlines, Hawaiian Airlines, +1 more

Tuesday

Alaska Airlines, Hawaiian Airlines, Korean Air

Alaska Airlines, Hawaiian Airlines, +1 more

Wednesday

Alaska Airlines, Hawaiian Airlines, Korean Air

Alaska Airlines, Hawaiian Airlines, +1 more

Thursday

Alaska Airlines, Hawaiian Airlines, Korean Air

Alaska Airlines, Hawaiian Airlines, +1 more

Friday

Alaska Airlines, Hawaiian Airlines, Korean Air

Alaska Airlines, Hawaiian Airlines, +1 more

Saturday

Alaska Airlines, Hawaiian Airlines, Korean Air

Alaska Airlines, Hawaiian Airlines, +1 more

Sunday

Alaska Airlines, Hawaiian Airlines, Korean Air

Alaska Airlines, Hawaiian Airlines, +1 more

See more direct flights

Direct returns

Helena to Seattle/Tacoma Intl

Monday

Alaska Airlines, Hawaiian Airlines, Korean Air

Alaska Airlines, Hawaiian Airlines, +1 more

Tuesday

Alaska Airlines, Hawaiian Airlines, Korean Air

Alaska Airlines, Hawaiian Airlines, +1 more

Wednesday

Alaska Airlines, Hawaiian Airlines, Korean Air

Alaska Airlines, Hawaiian Airlines, +1 more

Thursday

Alaska Airlines, Hawaiian Airlines, Korean Air

Alaska Airlines, Hawaiian Airlines, +1 more

Friday

Alaska Airlines, Hawaiian Airlines, Korean Air

Alaska Airlines, Hawaiian Airlines, +1 more

Saturday

Alaska Airlines, Hawaiian Airlines, Korean Air

Alaska Airlines, Hawaiian Airlines, +1 more

Sunday

Alaska Airlines, Hawaiian Airlines, Korean Air

Alaska Airlines, Hawaiian Airlines, +1 more

See more direct flights
See more direct flights

Top airline flying from Seattle to Helena

 
See real verified KAYAK customer reviews for airlines flying from Seattle to Helena. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Seattle to Helena? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
8.0
Alaska AirlinesOverall score based on 10000 reviews
7.8Comfort
7.1Entertainment
8.1Boarding
8.5Crew
7.1Food
Airline reviews

We had to take the train to our next gate but had time to eat a meal. When to our next gate and asked employee about gate and got informed that gate had been changed so back on train to next gate. So thankful she was there and informed us of gate change. Because of the issue the boarding was slow but employees were there and busy helping all and keeping it organized.

10.0 ExcellentHelen, Jun 2025SEA - MCI
Read more Alaska Airlines reviews

We had to take the train to our next gate but had time to eat a meal. When to our next gate and asked employee about gate and got informed that gate had been changed so back on train to next gate. So thankful she was there and informed us of gate change. Because of the issue the boarding was slow but employees were there and busy helping all and keeping it organized.

Very pleasant and the flight felt like it went by quick

All flight entertainment is from your own device and there was an $8 charge to connect. also 1 drink and a small bag of pretzels was all that was given to us. other that that the seats were good and the flight itself was as expected.

It is very bad they do not give you money back

They lost our bag and it took them days to find it. Terrible communication and lots of lies about where it was. Their system hasn’t merged with Hawaiian yet they route people on shared flights with Hawaiian, creating an administrative nightmare.

Major flight delays, it was a 1.5-hour delay. The gate kept changing about 3 times in Seattle. very hectic and chaotic.

More leg room in back seats. Can you require people to smell good on planes? ha ha Staff was great! Plane was comfortable. I enjoyed the movies and TV. Smooth take off and landing.

The only problem was the time delay. Kudos to the counter agent in Seattle. Very helpful and gracious.

This flight was how a flight should be. The flight from Hawaii to Seattle was terrible

Quick and easy check-in. Love how technology has helped speed up the flying process. Smooth flight to a Seattle and back. 10/10

Everything you need to know for your flight from Seattle to Helena

Information on your arrival and departure airports

Seattle (SEA)
Helena (HLN)

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