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$129+ 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 12/22. Fares are subject to change and may not be available on all flights or dates of travel.
HLN — SEA
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap 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 11, 2025.

Round-trip from

$177
(Delta)

One-way from

$129
(Hawaiian Airlines)

Popular in

November

Cheapest in

January

Average price

$317

Good round-trip deal

$227 or less

Good one-way deal

$184 or less
From Helena to Washington
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One-way flight from Helena to Washington
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Highest demand for flights based on searches. 14% potential increase in price ($48 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($18 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Helena to Washington.
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Price to beat on a one-way flight from Helena to Washington.
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Find 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 September 11, 2025.

This Alaska Airlines deal was found by Cheapflights users on 9/11. 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 10/86:18 pmHLN - SEA
Nonstop1h 52mAlaska Airlines
Mon 10/133:07 pmSEA - HLN
Nonstop1h 34mAlaska Airlines
Deal found 9/11$187
This Alaska Airlines deal was found by Cheapflights users on 9/11. 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 10/96:18 pmHLN - SEA
Nonstop1h 52mAlaska Airlines
Mon 10/133:07 pmSEA - HLN
Nonstop1h 34mAlaska Airlines
Deal found 9/11$217
This Delta deal was found by Cheapflights users on 9/10. 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 10/241:00 pmHLN - SEA
1 stop4h 32mDelta
Mon 10/275:25 amSEA - HLN
1 stop5h 55mDelta
Deal found 9/10$237
This Alaska Airlines deal was found by Cheapflights users on 9/9. 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 10/86:18 pmHLN - SEA
Nonstop1h 52mAlaska Airlines
Wed 10/153:07 pmSEA - HLN
Nonstop1h 34mAlaska Airlines
Deal found 9/9$238
This Alaska Airlines deal was found by Cheapflights users on 9/9. 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 10/96:18 pmHLN - SEA
Nonstop1h 52mAlaska Airlines
Wed 10/153:07 pmSEA - HLN
Nonstop1h 34mAlaska Airlines
Deal found 9/9$268
This Delta deal was found by Cheapflights users on 9/10. 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 11/11:00 pmHLN - PDX
2 stops10h 40mDelta
Sat 11/85:30 amPDX - HLN
2 stops15h 46mDelta
Deal found 9/10$274
This Hawaiian Airlines deal was found by Cheapflights users on 9/10. 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.
Tue 10/76:18 pmHLN - SEA
Nonstop1h 52mHawaiian Airlines
Thu 10/93:07 pmSEA - HLN
Nonstop1h 34mHawaiian Airlines
Deal found 9/10$278
This United Airlines deal was found by Cheapflights users on 9/9. 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 10/95:18 pmHLN - SEA
1 stop7h 11mUnited Airlines
Tue 10/145:00 amSEA - HLN
1 stop8h 09mUnited Airlines
Deal found 9/9$287
This United Airlines deal was found by Cheapflights users on 9/10. 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.
Tue 10/76:30 amHLN - SEA
1 stop8h 12mUnited Airlines
Thu 10/95:00 amSEA - HLN
1 stop8h 09mUnited Airlines
Deal found 9/10$297
This Alaska Airlines deal was found by Cheapflights users on 9/10. 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 12/176:28 pmHLN - SEA
Nonstop1h 52mAlaska Airlines
Sun 12/213:17 pmSEA - HLN
Nonstop1h 38mAlaska Airlines
Deal found 9/10$298
This Hawaiian Airlines deal was found by Cheapflights users on 9/11. 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 9/264:02 pmHLN - SEA
Nonstop1h 48mHawaiian Airlines
Tue 9/3012:46 pmSEA - HLN
Nonstop1h 35mHawaiian Airlines
Deal found 9/11$318
This United Airlines deal was found by Cheapflights users on 9/11. 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 10/85:18 pmHLN - SEA
1 stop7h 11mUnited Airlines
Mon 10/135:00 amSEA - HLN
1 stop8h 09mUnited Airlines
Deal found 9/11$327

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 September 11, 2025.
Use the filters below to find and compare flights from Helena to Washington that are best for you.

Fly from

Helena

Fly to

Washington

Route

Depart

Return

Price

HelenaSeattle

HLN - SEA

HLNSEA

Helena

Sat 2/28

12:50 pm-5:00 pm

1 stop5h 10m

Seattle/Tacoma Intl

Tue 3/3

4:55 pm-10:38 pm

1 stop4h 43m

$177

HelenaSeattle

HLN - SEA

HLNSEA

Helena

Thu 10/9

6:18 pm-7:10 pm

Nonstop1h 52m

Seattle/Tacoma Intl

Tue 10/14

3:07 pm-5:41 pm

Nonstop1h 34m

$187

HelenaSeattle

HLN - SEA

HLNSEA

Helena

Sat 2/28

4:10 pm-4:59 pm

Nonstop1h 49m

Seattle/Tacoma Intl

Tue 3/3

1:05 pm-3:43 pm

Nonstop1h 38m

$208

HelenaSeattle

HLN - SEA

HLNSEA

Helena

Thu 10/9

6:18 pm-7:10 pm

Nonstop1h 52m

Seattle/Tacoma Intl

Mon 10/13

3:07 pm-5:41 pm

Nonstop1h 34m

$217

HelenaSeattle

HLN - SEA

HLNSEA

Helena

Fri 10/24

6:18 pm-7:10 pm

Nonstop1h 52m

Seattle/Tacoma Intl

Mon 10/27

3:00 pm-5:36 pm

Nonstop1h 36m

$217

HelenaSeattle

HLN - SEA

HLNSEA

Helena

Sat 12/13

6:28 pm-7:20 pm

Nonstop1h 52m

Seattle/Tacoma Intl

Mon 12/15

3:13 pm-5:51 pm

Nonstop1h 38m

$238

HelenaSeattle

HLN - SEA

HLNSEA

Helena

Wed 10/8

6:18 pm-7:10 pm

Nonstop1h 52m

Seattle/Tacoma Intl

Wed 10/15

3:07 pm-5:41 pm

Nonstop1h 34m

$238

HelenaSeattle

HLN - SEA

HLNSEA

Helena

Wed 12/17

6:28 pm-7:20 pm

Nonstop1h 52m

Seattle/Tacoma Intl

Sat 12/20

3:17 pm-5:55 pm

Nonstop1h 38m

$268

HelenaPortland

HLN - PDX

HLNPDX

Helena

Sat 11/1

1:00 pm-10:40 pm

2 stops10h 40m

Portland

Sat 11/8

5:30 am-10:16 pm

2 stops15h 46m

$274

HelenaSeattle

HLN - SEA

HLNSEA

Helena

Thu 10/9

5:18 pm-11:29 pm

1 stop7h 11m

Seattle/Tacoma Intl

Tue 10/14

5:00 am-2:09 pm

1 stop8h 09m

$287

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Showing 1-10 of 28 results
1
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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, January is the cheapest month in which you can book a flight from Helena to State of Washington (average of $238). Flying from Helena to State of Washington in June is currently the most expensive (average of $388). 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 11, 2025.

When flying from Helena to State of Washington, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 11, 2025.

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 September 11, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines, Delta, 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
8.0
Very good
10,000 reviews

Overall

8.0

Comfort

7.8

Boarding

8.1

Crew

8.5

Food

7.1

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Comfort

7.8

Boarding

8.1

Crew

8.5

Food

7.1

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
Delta
8.0
Very good
7,960 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Comfort

7.8

Boarding

8.1

Crew

8.5

Food

7.1

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
Hawaiian Airlines
7.8
Good
2,723 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Comfort

7.8

Boarding

8.1

Crew

8.5

Food

7.1

Entertainment

7.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why

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?

    Delta, Alaska Airlines, and Hawaiian Airlines can get you from Helena to State of Washington in just under 1h 52m. Your travel time can differ by up to 7h 12m. Helena and State of Washington are separated by a distance of 489 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Helena to State of Washington one-way?

    The cheapest airlines for a one-way flight from Helena to State of Washington are Alaska Airlines ($129), Hawaiian Airlines ($129), and Delta ($139).

  • 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 Alaska Airlines (65%), Horizon Air (65%) or Hawaiian Airlines (65%) 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 $161. While the most popular route (Helena - Seattle/Tacoma Intl) can be booked for $187 on average, our data indicates $273 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, January is the cheapest month in which you can book a flight from Helena to State of Washington (average of $238). Flying from Helena to State of Washington in June is currently the most expensive (average of $388). 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 3 airlines flying from Helena to Washington

Discover the top 3 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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
Hawaiian AirlinesCheapest$149Average$268FlexibilityNo cancel feeOn-time85%
Alaska AirlinesCheapest$178Average$287FlexibilityNo cancel feeOn-time75%
DeltaCheapest$196Average$551FlexibilityNo cancel feeOn-timeN/A

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