$134+ Cheap flights from Helena (HLN) to Washington
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 10/21. Fares are subject to change and may not be available on all flights or dates of travel.
HLN — SEA
Oct 20 — Oct 271
Round-trip
1 adult, Economy
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Cheapest flights from Helena to WashingtonExplore the most affordable flight options available from Helena to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 20, 2026.
Explore the most affordable flight options available from Helena to Washington. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 20, 2026.
This Trip.com 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/34:41 pm -
Nonstop1h 52m
Tue 11/101:28 pm -
Nonstop1h 36m
Deal found 9/19![Alaska Airlines logo]()
$204
This Alaska Airlines deal was found by Cheapflights users on 9/15. 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 11/74:41 pm -
Nonstop1h 52m
Tue 11/101:28 pm -
Nonstop1h 36m
Deal found 9/15![Alaska Airlines logo]()
$207
This deal was found by Cheapflights users on 9/17. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/134:41 pm -
Nonstop1h 52m
Sat 11/141:28 pm -
Nonstop1h 36m
Deal found 9/17![Alaska Airlines logo]()
$222
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.
Tue 11/31:08 pm -
1 stop6h 54m
Tue 11/105:35 am -
1 stop5h 52m
Deal found 9/19![Delta logo]()
$257
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.
Fri 10/301:08 pm -
1 stop4h 47m
Tue 11/35:30 am -
1 stop5h 58m
Deal found 9/19![Delta logo]()
$272
This Alaska Airlines deal was found by Cheapflights users on 9/16. 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 12/94:55 pm -
Nonstop1h 56m
Sat 12/121:41 pm -
Nonstop1h 37m
Deal found 9/16![Alaska Airlines logo]()
$282
This Delta deal was found by Cheapflights users on 9/15. 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 12/101:10 pm -
1 stop4h 49m
Sun 12/135:30 am -
1 stop6h 00m
Deal found 9/15![Delta logo]()
$287
This Expedia 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/244:18 pm -
Nonstop1h 52m
Sun 1/101:48 pm -
Nonstop1h 35m
Deal found 9/20![Alaska Airlines logo]()
$288
This Alaska Airlines deal was found by Cheapflights users on 9/16. 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 12/104:55 pm -
Nonstop1h 56m
Sun 12/131:41 pm -
Nonstop1h 37m
Deal found 9/16![Alaska Airlines logo]()
$297
This Delta deal was found by Cheapflights users on 9/16. 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 10/241:08 pm -
1 stop4h 47m
Mon 10/265:30 am -
1 stop5h 58m
Deal found 9/16![Delta logo]()
$302
This Alaska Airlines deal was found by Cheapflights users on 9/15. 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 11/54:41 pm -
Nonstop1h 52m
Sun 11/81:28 pm -
Nonstop1h 36m
Deal found 9/15![Alaska Airlines logo]()
$312
This United Airlines deal was found by Cheapflights users on 9/17. 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 11/72:23 pm -
1 stop7h 56m
Tue 11/105:05 am -
1 stop7h 35m
Deal found 9/17![United Airlines logo]()
$317
Best flights from Helena to WashingtonDiscover carefully curated flight deals from Helena to Washington that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 20, 2026.
Discover carefully curated flight deals from Helena to Washington that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 20, 2026.
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 11/74:41 pm -
Nonstop1h 52m
Tue 11/101:28 pm -
Nonstop1h 36m
Deal found 9/19![Alaska Airlines logo]()
$207
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.
Tue 11/31:08 pm -
1 stop6h 54m
Tue 11/105:35 am -
1 stop5h 52m
Deal found 9/19![Delta logo]()
$257
This United Airlines deal was found by Cheapflights users on 9/16. 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 11/72:23 pm -
1 stop7h 56m
Tue 11/105:05 am -
1 stop7h 35m
Deal found 9/16![United Airlines logo]()
$297
This Delta deal was found by Cheapflights users on 9/17. 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 12/21:10 pm -
1 stop6h 43m
Mon 12/75:30 am -
1 stop6h 00m
Deal found 9/17![Delta logo]()
$272
This Alaska Airlines deal was found by Cheapflights users on 9/16. 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 12/94:55 pm -
Nonstop1h 56m
Sat 12/121:41 pm -
Nonstop1h 37m
Deal found 9/16![Alaska Airlines logo]()
$282
This Delta deal was found by Cheapflights users on 9/15. 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 12/101:10 pm -
1 stop4h 49m
Sun 12/135:30 am -
1 stop6h 00m
Deal found 9/15![Delta logo]()
$287
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 12/54:49 pm -
1 stop4h 04m
Tue 12/84:03 pm -
1 stop23h 09m
Deal found 9/19![Alaska Airlines logo]()
$433
This United Airlines deal was found by Cheapflights users on 9/16. 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 12/92:35 pm -
1 stop7h 46m
Sat 12/121:14 pm -
2 stops31h 32m
Deal found 9/16![United Airlines logo]()
$490
This Delta deal was found by Cheapflights users on 9/16. 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 10/112:57 pm -
1 stop6h 39m
Thu 10/85:30 am -
1 stop5h 58m
Deal found 9/16![Delta logo]()
$427
This Alaska Airlines deal was found by Cheapflights users on 9/17. 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 2/274:08 pm -
1 stop9h 06m
Mon 3/11:40 pm -
1 stop24h 51m
Deal found 9/17![Alaska Airlines logo]()
$443
This Alaska Airlines deal was found by Cheapflights users on 9/17. 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 2/274:08 pm -
1 stop7h 36m
Sun 3/71:59 pm -
1 stop24h 32m
Deal found 9/17![Alaska Airlines logo]()
$458
This Delta deal was found by Cheapflights users on 9/16. 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 10/231:08 pm -
1 stop6h 04m
Tue 10/275:33 am -
1 stop5h 55m
Deal found 9/16![Delta logo]()
$465
This Alaska Airlines deal was found by Cheapflights users on 9/15. 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 10/105:26 pm -
Nonstop1h 52m
Mon 10/122:14 pm -
Nonstop1h 35m
Deal found 9/15![Alaska Airlines logo]()
$477
This Delta deal was found by Cheapflights users on 9/16. 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 11/161:07 pm -
2 stops9h 50m
Fri 11/205:24 pm -
1 stop4h 02m
Deal found 9/16![Delta logo]()
$490
This Alaska Airlines deal was found by Cheapflights users on 9/15. 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 10/295:26 pm -
1 stop7h 27m
Mon 11/27:29 pm -
1 stop19h 35m
Deal found 9/15![Alaska Airlines logo]()
$478
This Delta deal was found by Cheapflights users on 9/15. 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 10/221:08 pm -
2 stops7h 52m
Sun 10/255:33 am -
1 stop5h 55m
Deal found 9/15![Delta logo]()
$490
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 12/54:49 pm -
1 stop8h 09m
Mon 12/71:53 pm -
2 stops49h 19m
Deal found 9/19![Alaska Airlines logo]()
$514
This Delta deal was found by Cheapflights users on 9/15. 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 10/107:15 am -
1 stop6h 37m
Mon 10/125:30 am -
1 stop5h 58m
Deal found 9/15![Delta logo]()
$518
Last-minute flights from Helena to WashingtonDiscover last-minute flight deals from Helena to Washington. Data last updated September 20, 2026 and is based on user searches.
Discover last-minute flight deals from Helena to Washington. Data last updated September 20, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 9/15. 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 9/3012:57 pm -
1 stop4h 53m
Sun 10/45:45 am -
1 stop5h 32m
Deal found 9/15![Delta logo]()
$427
This Priceline deal was found by Cheapflights users on 9/16. 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.
Thu 10/15:18 pm -
Nonstop1h 56m
Thu 10/82:14 pm -
Nonstop1h 35m
Deal found 9/16![Alaska Airlines logo]()
$407
This Priceline deal was found by Cheapflights users on 9/15. 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 10/75:26 pm -
Nonstop1h 52m
Sat 10/102:14 pm -
Nonstop1h 35m
Deal found 9/15![Alaska Airlines logo]()
$372
This Delta deal was found by Cheapflights users on 9/15. 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 10/71:08 pm -
1 stop6h 54m
Sat 10/105:30 am -
1 stop5h 58m
Deal found 9/15![Delta logo]()
$402
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.
Fri 10/91:08 pm -
1 stop4h 47m
Sun 10/115:30 am -
1 stop5h 58m
Deal found 9/19![Delta logo]()
$468
This Priceline 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/205:26 pm -
1 stop6h 36m
Sun 10/259:31 am -
1 stop6h 18m
Deal found 9/18![Alaska Airlines logo]()
$464
This Delta deal was found by Cheapflights users on 9/16. 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 10/231:08 pm -
1 stop6h 04m
Tue 10/275:33 am -
1 stop5h 55m
Deal found 9/16![Delta logo]()
$465
This Delta deal was found by Cheapflights users on 9/16. 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 10/241:08 pm -
1 stop4h 47m
Mon 10/265:30 am -
1 stop5h 58m
Deal found 9/16![Delta logo]()
$302
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/281:08 pm -
1 stop4h 47m
Fri 10/305:30 am -
1 stop5h 58m
Deal found 9/18![Delta logo]()
$332
This Priceline 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/285:26 pm -
Nonstop1h 52m
Fri 10/302:14 pm -
Nonstop1h 35m
Deal found 9/18![Alaska Airlines logo]()
$462
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.
Fri 10/301:08 pm -
1 stop4h 47m
Tue 11/35:30 am -
1 stop5h 58m
Deal found 9/19![Delta logo]()
$272
This Priceline 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/305:26 pm -
Nonstop1h 52m
Tue 11/31:28 pm -
Nonstop1h 36m
Deal found 9/19![Alaska Airlines logo]()
$297
One-way flights from Helena to WashingtonSearch for one-way flight options from Helena to Washington. Find affordable one-way fares based on user searches. Data last updated September 20, 2026.
Search for one-way flight options from Helena to Washington. Find affordable one-way fares based on user searches. Data last updated September 20, 2026.
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.
Wed 10/215:26 pm -
Nonstop1h 52m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/19![Alaska Airlines logo]()
$134
This Priceline 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/265:26 pm -
Nonstop1h 52m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/18![Alaska Airlines logo]()
$149
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/201:08 pm -
1 stop6h 54m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/18![Delta logo]()
$159
This Delta deal was found by Cheapflights users on 9/17. 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 10/221:08 pm -
1 stop6h 44m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Delta logo]()
$174
This United Airlines deal was found by Cheapflights users on 9/16. 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 10/242:30 pm -
2 stops9h 56m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![United Airlines logo]()
$184
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.
Wed 12/162:35 pm -
1 stop7h 46m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/18![United Airlines logo]()
$189
This United Airlines deal was found by Cheapflights users on 9/17. 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 10/162:30 pm -
1 stop7h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![United Airlines logo]()
$195
This United Airlines deal was found by Cheapflights users on 9/17. 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 10/282:23 pm -
2 stops9h 55m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![United Airlines logo]()
$200
This Delta deal was found by Cheapflights users on 9/17. 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 10/251:08 pm -
1 stop4h 47m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Delta logo]()
$205
This Travelocity deal was found by Cheapflights users on 9/16. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/185:26 pm -
Nonstop1h 52m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Alaska Airlines logo]()
$208
This Alaska Airlines deal was found by Cheapflights users on 9/17. 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 10/135:26 pm -
Nonstop1h 52m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Alaska Airlines logo]()
$209
This Priceline deal was found by Cheapflights users on 9/17. 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 10/285:26 pm -
1 stop6h 36m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/17![Alaska Airlines logo]()
$223
Find flight deals from Helena to Washington
Keep the following information in mind while searching for Helena to Washington flight deals. Data was last updated September 20, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $204 (Trip.com) |
One-way from | $134 (Alaska Airlines) |
Popular in | June |
Cheapest in | February |
Average price | $252 |
Good round-trip deal | $337 or less |
Good one-way deal | $212 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from Helena to Washington 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 20, 2026.
Use the filters below to find and compare flights from Helena to Washington that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Quickest round-trip
HelenaSeattle
HLN Helena - SEA Seattle/Tacoma Intl
HLNSEA
Helena
Wed 10/21
5:26 pm-6:18 pm
Nonstop1h 52m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$134
HelenaSeattle
HLN Helena - SEA Seattle/Tacoma Intl
HLNSEA
Helena
Fri 11/6
4:41 pm-5:33 pm
Nonstop1h 52m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$149
HelenaSeattle
HLN Helena - SEA Seattle/Tacoma Intl
HLNSEA
Helena
Wed 11/11
1:07 pm-4:58 pm
1 stop4h 51m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$159
HelenaSeattle
HLN Helena - SEA Seattle/Tacoma Intl
HLNSEA
Helena
Tue 10/27
7:15 am-12:52 pm
1 stop6h 37m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$159
HelenaSeattle
HLN Helena - SEA Seattle/Tacoma Intl
HLNSEA
Helena
Wed 12/2
1:10 pm-4:59 pm
1 stop4h 49m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$159
HelenaSeattle
HLN Helena - SEA Seattle/Tacoma Intl
HLNSEA
Helena
Sat 11/14
1:07 pm-6:41 pm
1 stop6h 34m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$159
HelenaSeattle
HLN Helena - SEA Seattle/Tacoma Intl
HLNSEA
Helena
Sun 11/15
1:07 pm-4:53 pm
1 stop4h 46m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$174
HelenaSeattle
HLN Helena - SEA Seattle/Tacoma Intl
HLNSEA
Helena
Thu 10/22
1:08 pm-6:52 pm
1 stop6h 44m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$174
HelenaSeattle
HLN Helena - SEA Seattle/Tacoma Intl
HLNSEA
Helena
Sun 12/6
1:10 pm-4:59 pm
1 stop4h 49m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$174
HelenaSeattle
HLN Helena - SEA Seattle/Tacoma Intl
HLNSEA
Helena
Sun 12/13
6:30 am-1:49 pm
1 stop8h 19m
Seattle/Tacoma Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$195
Showing 1-10 of 39 resultsSorted by cheapest first
Best time to book a flight from Helena to Washington
Have a flexible travel schedule? Discover the best time to fly to Washington from Helena with our price prediction graph.
HLN-SEA
HLN-PDX
HLN-PUW
HLN-BLI
HLN-GEG
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 Helena to Washington
HLN-USWA
HLN-SEA
HLN-PDX
HLN-PUW
HLN-BLI
What is the cheapest month to book a flight from Helena to State of Washington?
Currently, February is the cheapest month in which you can book a flight from Helena to State of Washington (average of $147). Flying from Helena to State of Washington in June is currently the most expensive (average of $438). 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 HLN to WA?
Find hourly flight availability from Helena to Washington. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 20, 2026.
When flying from Helena to State of Washington, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 55% versus a flight at noon.
Weekly flight availability from Helena to State of Washington
Explore weekly flight availability from Helena to Washington. 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 September 20, 2026.
The most flights from HLN to USWA are scheduled on a Monday (2 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (2 on average).
How much does it cost to fly round-trip from Helena to State of Washington?
Airfare is below average for this route at the moment.
Helena to State of Washington flights typically cost between $222 and $472 in November.The cheapest round-trip price found within the last 5 days was $204 on Alaska Airlines (Nov 3-Nov 10).
Reviews of airlines servicing Washington
Get insights into the airlines that provide service to Washington. 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 Washington. Reviews last updated September 20, 2026.
Peruse reviews from past customers who have flown with Alaska Airlines from Helena to Washington to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.1
Overall
7.9
Crew
8.5
Food
7.0
Comfort
7.8
Entertainment
7.0
Reviews
1 / 20
8.0
ExcellentAnonymous,Jun 2026
RDU - SEA
Boarding
8.1
Overall
7.9
Crew
8.5
Food
7.0
Comfort
7.8
Entertainment
7.0
Reviews
1 / 20
8.0
ExcellentAnonymous,Jun 2026
RDU - SEA
Related info for your journey
Find useful and relevant information for your journey from Helena to Washington. 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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Alternative routes for Helena to Washington
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Complete your trip
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Helena and Washington flights
Browse other Helena and Washington flight options. Last updated on September 20, 2026.
Popular flight searches
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Helena to Washington flights
Consider these flights traveling from Helena to Washington.
Top airline flying from Helena to Washington
Discover the top airline that operate flights from Helena to Washington. 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 20, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$137 | Average$217 | FlexibilityNo cancel fee | On-time75% |