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$131+ Cheap flights from Helena (HLN) to Washington

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 4/19. Fares are subject to change and may not be available on all flights or dates of travel.
HLN — SEA
Apr 18 — Apr 251
Sat 4/18
Sat 4/25
1 adult, Economy
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Cheap flight deals from Helena to Washington

Cheapest flights from Helena to Washington
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 March 19, 2026.

This Alaska Airlines deal was found by Cheapflights users on 3/16. 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.
Sat 4/116:22 pm
HLN
-
SEA
Nonstop1h 49m
Alaska Airlines
Sun 4/123:09 pm
SEA
-
HLN
Nonstop1h 36m
Alaska Airlines
Deal found 3/16$137
This Delta deal was found by Cheapflights users on 3/17. 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.
Tue 4/211:04 pm
HLN
-
SEA
1 stop4h 44m
Delta
Sat 4/255:35 am
SEA
-
HLN
1 stop5h 49m
Delta
Deal found 3/17$187
This Alaska Airlines deal was found by Cheapflights users on 3/17. 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 4/216:22 pm
HLN
-
SEA
Nonstop1h 49m
Alaska Airlines
Sat 4/253:07 pm
SEA
-
HLN
Nonstop1h 38m
Alaska Airlines
Deal found 3/17$207
This Expedia deal was found by Cheapflights users on 3/17. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/246:22 pm
HLN
-
SEA
Nonstop1h 47m
Alaska Airlines
Tue 4/283:07 pm
SEA
-
HLN
Nonstop1h 38m
Alaska Airlines
Deal found 3/17$237
This Expedia deal was found by Cheapflights users on 3/14. 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.
Wed 4/86:22 pm
HLN
-
PDX
1 stop4h 16m
Alaska Airlines
Sat 4/119:00 am
PDX
-
HLN
1 stop7h 45m
Alaska Airlines
Deal found 3/14$237
This Delta deal was found by Cheapflights users on 3/16. 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 4/131:04 pm
HLN
-
SEA
1 stop4h 44m
Delta
Tue 4/145:35 am
SEA
-
HLN
1 stop5h 49m
Delta
Deal found 3/16$247
This Delta deal was found by Cheapflights users on 3/17. 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.
Mon 4/201:04 pm
HLN
-
SEA
1 stop6h 26m
Delta
Tue 4/285:35 am
SEA
-
HLN
1 stop5h 49m
Delta
Deal found 3/17$252
This Delta deal was found by Cheapflights users on 3/14. 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 4/115:30 am
HLN
-
PDX
1 stop4h 26m
Delta
Sat 4/185:45 am
PDX
-
HLN
1 stop5h 39m
Delta
Deal found 3/14$257
This Delta deal was found by Cheapflights users on 3/18. 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 4/155:40 am
HLN
-
SEA
1 stop4h 35m
Delta
Wed 4/225:35 am
SEA
-
HLN
1 stop5h 49m
Delta
Deal found 3/18$258
This Alaska Airlines deal was found by Cheapflights users on 3/16. 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.
Sat 5/26:22 pm
HLN
-
GEG
1 stop15h 39m
Alaska Airlines
Tue 5/55:00 am
GEG
-
HLN
1 stop11h 45m
Alaska Airlines
Deal found 3/16$264
This CVC Viagens deal was found by Cheapflights users on 3/15. 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 CVC Viagens is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/116:22 pm
HLN
-
SEA
Nonstop1h 49m
Hawaiian Airlines
Tue 4/143:09 pm
SEA
-
HLN
Nonstop1h 36m
Hawaiian Airlines
Deal found 3/15$265
This Expedia deal was found by Cheapflights users on 3/17. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/206:22 pm
HLN
-
SEA
Nonstop1h 49m
Alaska Airlines
Tue 4/283:07 pm
SEA
-
HLN
Nonstop1h 38m
Alaska Airlines
Deal found 3/17$267

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 March 19, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$137
(Alaska Airlines)

One-way from

$131
(Expedia)

Popular in

May

Cheapest in

February

Average price

$187

Good round-trip deal

$187 or less

Good one-way deal

$130 or less
Provider with most accurate pricing for Helena-Seattle/Tacoma Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Helena-Seattle/Tacoma Intl flights.
Search Deals
From Helena to Washington
Search Deals
One-way flight from Helena to Washington
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($39 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($9 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals
Price to beat on a round-trip flight from Helena to Washington.
Search Deals
Price to beat on a one-way flight from Helena to Washington.
Search Deals

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 2,558,603 searches. Data last updated March 19, 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

Price

Cheapest round-trip
Quickest round-trip

HelenaSeattle

HLN - SEA

HLNSEA

Helena

Sat 4/11

6:22 pm-7:11 pm

Nonstop1h 49m

Seattle/Tacoma Intl

Sun 4/12

3:09 pm-5:45 pm

Nonstop1h 36m

$137

HelenaSeattle

HLN - SEA

HLNSEA

Helena

Thu 4/30

6:22 pm-7:09 pm

Nonstop1h 47m

Seattle/Tacoma Intl

Mon 5/4

3:07 pm-5:45 pm

Nonstop1h 38m

$252

HelenaPortland

HLN - PDX

HLNPDX

Helena

Sat 4/11

5:30 am-8:56 am

1 stop4h 26m

Portland

Sat 4/18

5:45 am-12:24 pm

1 stop5h 39m

$257

HelenaSpokane

HLN - GEG

HLNGEG

Helena

Sat 5/2

6:22 pm-9:01 am

1 stop15h 39m

Spokane

Tue 5/5

5:00 am-5:45 pm

1 stop11h 45m

$264

HelenaPortland

HLN - PDX

HLNPDX

Helena

Sat 5/2

6:22 pm-9:31 am

1 stop16h 09m

Portland

Tue 5/5

8:45 am-5:45 pm

1 stop8h 00m

$274

HelenaSeattle

HLN - SEA

HLNSEA

Helena

Fri 4/24

1:04 pm-4:48 pm

1 stop4h 44m

Seattle/Tacoma Intl

Tue 4/28

5:35 am-12:24 pm

1 stop5h 49m

$288

HelenaSeattle

HLN - SEA

HLNSEA

Helena

Thu 7/23

5:26 pm-6:16 pm

Nonstop1h 50m

Seattle/Tacoma Intl

Sat 8/1

2:14 pm-4:49 pm

Nonstop1h 35m

$297

HelenaPullman

HLN - PUW

HLNPUW

Helena

Wed 4/22

6:22 pm-11:59 pm

1 stop6h 37m

Pullman Moscow Regional

Sat 4/25

7:28 pm-5:45 pm

1 stop21h 17m

$300

HelenaPortland

HLN - PDX

HLNPDX

Helena

Wed 4/8

6:22 pm-6:19 am

2 stops12h 57m

Portland

Sat 4/11

9:00 am-5:45 pm

1 stop7h 45m

$315

HelenaPortland

HLN - PDX

HLNPDX

Helena

Wed 4/15

6:22 pm-9:38 pm

1 stop4h 16m

Portland

Tue 4/28

8:45 am-5:45 pm

1 stop8h 00m

$317

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/16

Showing 1-10 of 41 resultsSorted by cheapest first
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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.
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

What is the cheapest month to book a flight from Helena to State of Washington?

Currently, March is the cheapest month in which you can book a flight from Helena to State of Washington (average of $79). Flying from Helena to State of Washington in August is currently the most expensive (average of $163). 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 March 19, 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 57% 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 March 19, 2026.

The most flights from HLN to USWA are scheduled on a Monday (3 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (3 on average).

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 March 19, 2026.
Peruse reviews from past customers who have flown with Alaska Airlines and Hawaiian 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.
Alaska Airlines
7.9
Good
12,072 reviews

Entertainment

7.0

Crew

8.5

Food

7.0

Overall

7.9

Boarding

8.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.
Alaska Airlines
7.9
Good
12,072 reviews
Alaska Airlines
7.9
Good
12,072 reviews

Entertainment

7.0

Crew

8.5

Food

7.0

Overall

7.9

Boarding

8.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.
Hawaiian Airlines
7.8
Good
2,841 reviews
Alaska Airlines
7.9
Good
12,072 reviews

Entertainment

7.0

Crew

8.5

Food

7.0

Overall

7.9

Boarding

8.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Anonymous,Dec 2025

SJC - SEA

The flight was great. Don’t have to make it better. Everything was OK.

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.

  • What airport do you fly from for flights from Helena to Washington?

    Helena (HLN) is the airport you will fly out of if you book a flight from Helena to Washington. It is only a 2.7 mi journey to Helena (HLN) from Helena’s city center.

  • How popular is this Helena to State of Washington flight route?

    Within the past month, 3 users have taken a look at flights from Helena to Washington.

  • How long is the flight from Helena to State of Washington?

    Alaska Airlines and Delta can get you from Helena to State of Washington in just under 1h 49m. Your travel time can differ by up to 2h 37m. Helena and State of Washington are separated by a distance of 489 mi. This flight may include one or multiple stops.

  • What are the most popular routes from Helena to State of Washington?

    Most travelers choose Helena - Seattle/Tacoma Intl, Helena - Portland or Helena - Spokane when deciding on the best route from Helena to State of Washington.

  • What are the most reliable airlines from Helena to State of Washington?

    Consider Hawaiian Airlines (88%), Korean Air (88%) or Alaska Airlines (88%) when booking your flight. These represent the most reliable airlines when flying from Helena to State of Washington.

  • What are the cheapest flights from Helena to State of Washington?

    Looking at all options, your cheapest flight can be booked for $104. While the most popular route (Helena - Seattle/Tacoma Intl) can be booked for $187 on average, our data indicates $293 when flying from Helena to State of Washington.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Helena to Washington 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 Helena to State of Washington?

    Currently, March is the cheapest month in which you can book a flight from Helena to State of Washington (average of $79). Flying from Helena to State of Washington in August is currently the most expensive (average of $163). 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.

See more FAQs

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Top 2 airlines flying from Helena to Washington

Discover the top 2 airlines 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 2,558,603 searches. Data last updated March 19, 2026.
AirlineCheapestAverageFlexibilityOn-time
Hawaiian AirlinesCheapest$119Average$268FlexibilityNo cancel feeOn-time85%
Alaska AirlinesCheapest$143Average$239FlexibilityNo cancel feeOn-time75%

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