$174+ Cheap flights from Seattle to Helena (SEA - HLN)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/10. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — HLN
Oct 23 — Oct 301
Round-trip
1 adult, Economy
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Find cheap flights from Seattle to Helena with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Seattle to Helena
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Best
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Cheapest flights from Seattle to HelenaExplore 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 September 23, 2026.
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 September 23, 2026.
This Alaska Airlines deal was found by Cheapflights users on 9/20. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/312:09 pm -
Nonstop1h 35m
Wed 11/44:41 pm -
Nonstop1h 52m
Deal found 9/20![Alaska Airlines logo]()
$207
This United Airlines deal was found by Cheapflights users on 9/22. 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.
Sat 10/315:05 am -
1 stop7h 35m
Wed 11/42:23 pm -
1 stop7h 56m
Deal found 9/22![United Airlines logo]()
$317
This MakeMyTrip deal was found by Cheapflights users on 9/23. 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 MakeMyTrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/222:14 pm -
Nonstop1h 35m
Mon 10/265:26 pm -
Nonstop1h 52m
Deal found 9/23![Alaska Airlines logo]()
$409
This Alaska Airlines deal was found by Cheapflights users on 9/20. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/302:14 pm -
Nonstop1h 35m
Mon 11/24:41 pm -
Nonstop1h 52m
Deal found 9/20![Alaska Airlines logo]()
$416
This Expedia deal was found by Cheapflights users on 9/22. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/281:02 pm -
Nonstop1h 39m
Fri 1/14:18 pm -
Nonstop1h 52m
Deal found 9/22![Alaska Airlines logo]()
$417
This Alaska Airlines deal was found by Cheapflights users on 9/20. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/152:14 pm -
Nonstop1h 35m
Wed 10/215:26 pm -
Nonstop1h 52m
Deal found 9/20![Alaska Airlines logo]()
$420
This Alaska Airlines deal was found by Cheapflights users on 9/21. 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.
Tue 10/62:14 pm -
Nonstop1h 35m
Sat 10/105:26 pm -
Nonstop1h 52m
Deal found 9/21![Alaska Airlines logo]()
$442
This Delta deal was found by Cheapflights users on 9/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/225:30 am -
1 stop5h 58m
Mon 10/261:08 pm -
1 stop4h 47m
Deal found 9/19![Delta logo]()
$509
Best flights from Seattle to HelenaDiscover carefully curated flight deals from Seattle to Helena that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 23, 2026.
Discover carefully curated flight deals from Seattle to Helena that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 23, 2026.
This Alaska Airlines deal was found by Cheapflights users on 9/22. 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.
Sat 10/312:09 pm -
Nonstop1h 35m
Wed 11/44:41 pm -
Nonstop1h 52m
Deal found 9/22![Alaska Airlines logo]()
$297
This Delta deal was found by Cheapflights users on 9/23. 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.
Mon 1/115:45 am -
1 stop5h 39m
Tue 1/125:45 am -
1 stop4h 48m
Deal found 9/23![Delta logo]()
$302
This United Airlines deal was found by Cheapflights users on 9/18. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/315:05 am -
1 stop7h 35m
Wed 11/42:23 pm -
1 stop7h 56m
Deal found 9/18![United Airlines logo]()
$317
This Alaska Airlines deal was found by Cheapflights users on 9/23. 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.
Sun 1/101:48 pm -
Nonstop1h 35m
Thu 1/145:00 pm -
Nonstop1h 50m
Deal found 9/23![Alaska Airlines logo]()
$297
This United Airlines deal was found by Cheapflights users on 9/23. 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.
Mon 1/115:07 am -
1 stop7h 20m
Wed 1/132:30 pm -
2 stops10h 01m
Deal found 9/23![United Airlines logo]()
$394
This Alaska Airlines deal was found by Cheapflights users on 9/21. 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.
Tue 10/62:14 pm -
Nonstop1h 35m
Sat 10/105:26 pm -
Nonstop1h 52m
Deal found 9/21![Alaska Airlines logo]()
$442
This Delta deal was found by Cheapflights users on 9/20. 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.
Fri 10/305:30 am -
1 stop5h 58m
Mon 11/21:08 pm -
1 stop6h 44m
Deal found 9/20![Delta logo]()
$528
This Alaska Airlines deal was found by Cheapflights users on 9/21. 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.
Thu 10/222:14 pm -
Nonstop1h 35m
Mon 10/265:26 pm -
Nonstop1h 52m
Deal found 9/21![Alaska Airlines logo]()
$492
Last-minute flights from Seattle to HelenaDiscover last-minute flight deals from Seattle to Helena. Data last updated September 23, 2026 and is based on user searches.
Discover last-minute flight deals from Seattle to Helena. Data last updated September 23, 2026 and is based on user searches.
This Alaska Airlines deal was found by Cheapflights users on 9/21. 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.
Tue 10/62:14 pm -
Nonstop1h 35m
Sat 10/105:26 pm -
Nonstop1h 52m
Deal found 9/21![Alaska Airlines logo]()
$442
This Alaska Airlines deal was found by Cheapflights users on 9/20. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/152:14 pm -
Nonstop1h 35m
Wed 10/215:26 pm -
Nonstop1h 52m
Deal found 9/20![Alaska Airlines logo]()
$420
This MakeMyTrip deal was found by Cheapflights users on 9/23. 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 MakeMyTrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/222:14 pm -
Nonstop1h 35m
Mon 10/265:26 pm -
Nonstop1h 52m
Deal found 9/23![Alaska Airlines logo]()
$409
This Delta deal was found by Cheapflights users on 9/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/225:30 am -
1 stop5h 58m
Mon 10/261:08 pm -
1 stop4h 47m
Deal found 9/19![Delta logo]()
$509
This Alaska Airlines deal was found by Cheapflights users on 9/20. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/302:14 pm -
Nonstop1h 35m
Mon 11/24:41 pm -
Nonstop1h 52m
Deal found 9/20![Alaska Airlines logo]()
$416
This Alaska Airlines deal was found by Cheapflights users on 9/20. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/312:09 pm -
Nonstop1h 35m
Wed 11/44:41 pm -
Nonstop1h 52m
Deal found 9/20![Alaska Airlines logo]()
$207
This United Airlines deal was found by Cheapflights users on 9/22. 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.
Sat 10/315:05 am -
1 stop7h 35m
Wed 11/42:23 pm -
1 stop7h 56m
Deal found 9/22![United Airlines logo]()
$317
This Delta deal was found by Cheapflights users on 9/20. 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.
Sat 10/315:30 am -
1 stop5h 58m
Mon 11/21:08 pm -
1 stop6h 44m
Deal found 9/20![Delta logo]()
$513
One-way flights from Seattle to HelenaSearch for one-way flight options from Seattle to Helena. Find affordable one-way fares based on user searches. Data last updated September 23, 2026.
Search for one-way flight options from Seattle to Helena. Find affordable one-way fares based on user searches. Data last updated September 23, 2026.
This Delta deal was found by Cheapflights users on 9/20. 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.
Sun 1/105:45 am -
1 stop5h 39m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/20![Delta logo]()
$174
This United Airlines deal was found by Cheapflights users on 9/21. 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.
Wed 10/215:00 am -
1 stop7h 48m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/21![United Airlines logo]()
$195
This Priceline deal was found by Cheapflights users on 9/21. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/212:14 pm -
Nonstop1h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/21![Alaska Airlines logo]()
$209
This Alaska Airlines deal was found by Cheapflights users on 9/19. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/32:14 pm -
Nonstop1h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/19![Alaska Airlines logo]()
$234
This Delta deal was found by Cheapflights users on 9/19. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/35:45 am -
1 stop5h 32m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/19![Delta logo]()
$244
This Alaska Airlines deal was found by Cheapflights users on 9/22. 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.
Fri 10/232:14 pm -
Nonstop1h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/22![Alaska Airlines logo]()
$269
This Alaska Airlines deal was found by Cheapflights users on 9/19. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/2512:59 pm -
Nonstop1h 32m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/19![Alaska Airlines logo]()
$294
This Alaska Airlines deal was found by Cheapflights users on 9/21. 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.
Thu 10/12:05 pm -
Nonstop1h 36m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/21![Alaska Airlines logo]()
$329
This United Airlines deal was found by Cheapflights users on 9/21. 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.
Thu 10/112:43 pm -
1 stop7h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/21![United Airlines logo]()
$339
This United Airlines deal was found by Cheapflights users on 9/22. 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 10/232:27 pm -
1 stop5h 41m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/22![United Airlines logo]()
$410
This United Airlines deal was found by Cheapflights users on 9/19. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/256:29 am -
2 stops13h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/19![United Airlines logo]()
$602
Find 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 September 23, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $207 (Alaska Airlines) |
One-way from | $174 (Delta) |
Popular in | September |
Cheapest in | January |
Average price | $567 |
Cheapflights Fare Finder
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 7,457,451 searches. Data last updated September 23, 2026.
Use the filters below to find and compare flights from Seattle to Helena that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
SeattleHelena
SEA Seattle/Tacoma Intl - HLN Helena
SEAHLN
Seattle/Tacoma Intl
Sun 1/10
5:45 am-12:24 pm
1 stop5h 39m
Helena
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$174
SeattleHelena
SEA Seattle/Tacoma Intl - HLN Helena
SEAHLN
Seattle/Tacoma Intl
Wed 10/21
5:00 am-1:48 pm
1 stop7h 48m
Helena
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$195
SeattleHelena
SEA Seattle/Tacoma Intl - HLN Helena
SEAHLN
Seattle/Tacoma Intl
Sun 1/10
1:48 pm-4:23 pm
Nonstop1h 35m
Helena
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$209
SeattleHelena
SEA Seattle/Tacoma Intl - HLN Helena
SEAHLN
Seattle/Tacoma Intl
Wed 10/21
2:14 pm-4:49 pm
Nonstop1h 35m
Helena
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$209
SeattleHelena
SEA Seattle/Tacoma Intl - HLN Helena
SEAHLN
Seattle/Tacoma Intl
Sat 10/3
2:14 pm-4:49 pm
Nonstop1h 35m
Helena
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$234
SeattleHelena
SEA Seattle/Tacoma Intl - HLN Helena
SEAHLN
Seattle/Tacoma Intl
Sat 10/3
5:45 am-12:17 pm
1 stop5h 32m
Helena
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$244
SeattleHelena
SEA Seattle/Tacoma Intl - HLN Helena
SEAHLN
Seattle/Tacoma Intl
Fri 10/23
2:14 pm-4:49 pm
Nonstop1h 35m
Helena
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$269
Quickest round-trip
SeattleHelena
SEA Seattle/Tacoma Intl - HLN Helena
SEAHLN
Seattle/Tacoma Intl
Thu 2/25
12:59 pm-3:31 pm
Nonstop1h 32m
Helena
Wed 12/31
12:00 am-11:00 pm
Nonstop0h 00m
$294
SeattleHelena
SEA Seattle/Tacoma Intl - HLN Helena
SEAHLN
Seattle/Tacoma Intl
Sat 10/31
2:09 pm-4:44 pm
Nonstop1h 35m
Helena
Wed 11/4
4:41 pm-5:33 pm
Nonstop1h 52m
$297
SeattleHelena
SEA Seattle/Tacoma Intl - HLN Helena
SEAHLN
Seattle/Tacoma Intl
Sun 1/10
1:48 pm-4:23 pm
Nonstop1h 35m
Helena
Thu 1/14
5:00 pm-5:50 pm
Nonstop1h 50m
$297
Showing 1-10 of 19 resultsSorted by cheapest first
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 September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- 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.
SEA-HLN
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.
Cheapflights Insights
Everything you need to know about your flight from Seattle to Helena
Prices
Airlines
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 September 23, 2026.
When flying from Seattle to Helena, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.
How much does it cost to fly round-trip from Seattle to Helena?
Airfare is typical for this route at the moment.
Seattle to Helena flights typically cost between $187 and $520 in October.The cheapest round-trip price found within the last 5 days was $207 on Alaska Airlines (Oct 31-Nov 4).
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 September 23, 2026.
See what other customers who have flown with Alaska Airlines from Seattle to Helena have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
7.9
Boarding
8.1
Entertainment
7.0
Comfort
7.8
Crew
8.5
Food
7.0
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
Overall
7.9
Boarding
8.1
Entertainment
7.0
Comfort
7.8
Crew
8.5
Food
7.0
Reviews
1 / 20
4.0
OkayAnonymous,Jun 2026
SEA - RNO
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.
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Complete your trip
Complete your trip to Helena by adding a car rental and/or hotel reservation to your travel itinerary.
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Other flights to Helena
Explore flights to Helena departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 23, 2026.
Seattle and Helena flights
Browse other Seattle and Helena flight options. Last updated on September 23, 2026.
Other flights from Seattle
Browse through other flights departing from Seattle. Flights are based on user searches made on Cheapflights and were last updated on September 23, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
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 7,457,451 searches. Data last updated September 23, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$137 | Average$217 | FlexibilityNo cancel fee | On-time75% |