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Helena

$146+ Cheap flights from Washington to Helena (HLN)

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 10/7. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — HLN
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
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Cheap flight deals from Washington to Helena

Keep the following information in mind while searching for Washington to Helena flight deals. Data was last updated September 17, 2025.

Round-trip from

$157
(Alaska Airlines)

One-way from

$146
(Delta)

Popular in

December

Cheapest in

September

Average price

$197

Good round-trip deal

$217 or less
From Washington to Helena
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One-way flight from Washington to Helena
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Highest demand for flights based on searches. 17% potential increase in price ($65 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($19 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 Washington to Helena.
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Find flight deals from Washington to Helena

Cheapest flights from Washington to Helena
Explore the most affordable flight options available from Washington to Helena. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2025.

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.
Sat 11/83:00 pmSEA - HLN
Nonstop1h 36mAlaska Airlines
Tue 11/116:13 pmHLN - SEA
Nonstop1h 49mAlaska Airlines
Deal found 9/16$157
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.
Sat 11/83:00 pmSEA - HLN
Nonstop1h 36mAlaska Airlines
Sun 11/96:13 pmHLN - SEA
Nonstop1h 49mAlaska Airlines
Deal found 9/16$187
This KAYAK 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/73:00 pmSEA - HLN
Nonstop1h 36mAlaska Airlines
Mon 11/106:13 pmHLN - SEA
Nonstop1h 49mAlaska Airlines
Deal found 9/16$201
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 11/85:00 pmSEA - HLN
1 stop4h 16mDelta
Mon 11/101:06 pmHLN - SEA
1 stop4h 49mDelta
Deal found 9/16$207
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 11/63:00 pmSEA - HLN
Nonstop1h 36mAlaska Airlines
Mon 11/106:13 pmHLN - SEA
Nonstop1h 49mAlaska Airlines
Deal found 9/16$217
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 11/85:00 pmSEA - HLN
1 stop4h 16mDelta
Tue 11/111:06 pmHLN - SEA
1 stop4h 49mDelta
Deal found 9/16$227
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.
Mon 10/135:00 pmSEA - HLN
1 stop4h 16mDelta
Mon 10/201:00 pmHLN - SEA
1 stop4h 32mDelta
Deal found 9/15$237
This Trip.com 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/86:00 amPDX - HLN
1 stop10h 36mHawaiian Airlines
Sat 11/156:13 pmHLN - PDX
1 stop6h 56mHawaiian Airlines
Deal found 9/17$256
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 11/65:25 amSEA - HLN
1 stop5h 55mDelta
Mon 11/101:06 pmHLN - SEA
1 stop4h 49mDelta
Deal found 9/16$257
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 11/193:00 pmSEA - HLN
Nonstop1h 36mAlaska Airlines
Fri 11/287:32 pmHLN - SEA
Nonstop1h 55mAlaska Airlines
Deal found 9/16$268
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.
Sat 11/81:30 pmPDX - HLN
2 stops7h 46mDelta
Sat 11/155:33 amHLN - PDX
2 stops14h 46mDelta
Deal found 9/17$276
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.
Fri 10/35:30 amSEA - HLN
1 stop5h 50mDelta
Tue 10/71:00 pmHLN - SEA
1 stop6h 24mDelta
Deal found 9/15$277

Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington 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 2,558,603 searches. Data last updated September 17, 2025.
Use the filters below to find and compare flights from Washington to Helena that are best for you.

Fly from

Washington

Fly to

Helena

Route

Depart

Return

Price

SeattleHelena

SEA - HLN

SEAHLN

Seattle/Tacoma Intl

Sat 11/8

3:00 pm-5:36 pm

Nonstop1h 36m

Helena

Tue 11/11

6:13 pm-7:02 pm

Nonstop1h 49m

$157

SeattleHelena

SEA - HLN

SEAHLN

Seattle/Tacoma Intl

Sat 11/8

3:00 pm-5:36 pm

Nonstop1h 36m

Helena

Sun 11/9

6:13 pm-7:02 pm

Nonstop1h 49m

$187

SeattleHelena

SEA - HLN

SEAHLN

Seattle/Tacoma Intl

Fri 11/7

3:00 pm-5:36 pm

Nonstop1h 36m

Helena

Tue 11/11

6:13 pm-7:02 pm

Nonstop1h 49m

$187

SeattleHelena

SEA - HLN

SEAHLN

Seattle/Tacoma Intl

Thu 11/6

3:00 pm-5:36 pm

Nonstop1h 36m

Helena

Tue 11/11

6:13 pm-7:02 pm

Nonstop1h 49m

$187

SeattleHelena

SEA - HLN

SEAHLN

Seattle/Tacoma Intl

Sat 11/8

5:00 pm-10:16 pm

1 stop4h 16m

Helena

Mon 11/10

1:06 pm-4:55 pm

1 stop4h 49m

$207

SeattleHelena

SEA - HLN

SEAHLN

Seattle/Tacoma Intl

Thu 11/6

3:00 pm-5:36 pm

Nonstop1h 36m

Helena

Mon 11/10

6:13 pm-7:02 pm

Nonstop1h 49m

$217

SeattleHelena

SEA - HLN

SEAHLN

Seattle/Tacoma Intl

Mon 10/13

3:07 pm-5:41 pm

Nonstop1h 34m

Helena

Mon 10/20

6:18 pm-7:10 pm

Nonstop1h 52m

$217

SeattleHelena

SEA - HLN

SEAHLN

Seattle/Tacoma Intl

Fri 11/7

3:00 pm-5:36 pm

Nonstop1h 36m

Helena

Mon 11/10

6:13 pm-7:02 pm

Nonstop1h 49m

$217

SeattleHelena

SEA - HLN

SEAHLN

Seattle/Tacoma Intl

Sat 11/8

5:00 pm-10:16 pm

1 stop4h 16m

Helena

Tue 11/11

1:06 pm-4:55 pm

1 stop4h 49m

$227

SeattleHelena

SEA - HLN

SEAHLN

Seattle/Tacoma Intl

Sat 11/8

5:00 pm-10:16 pm

1 stop4h 16m

Helena

Sun 11/9

5:33 am-9:19 am

1 stop4h 46m

$227

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

Showing 1-10 of 42 results
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Best time to book a flight from Washington to Helena

Have a flexible travel schedule? Discover the best time to fly to Helena from Washington 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 Washington to Helena

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

Currently, February is the cheapest month in which you can book a flight from State of Washington to Helena (average of $353). Flying from State of Washington to Helena in May is currently the most expensive (average of $517). 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 WA to HLN?

Find hourly flight availability from Washington 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 17, 2025.

When flying from State of Washington 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.

Weekly flight availability from State of Washington to Helena

Explore weekly flight availability from Washington to Helena. 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 17, 2025.

The most flights from USWA to HLN 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).

Related info for your journey

Find useful and relevant information for your journey from Washington to Helena. 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 into for flights to Helena from Washington?

    For a flight from Washington to Helena, you will be flying into Helena. Helena (HLN) is just 2.7 mi from the center of the city.

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

    This flight path from Washington to Helena was viewed by 3 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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

    Alaska Airlines and Delta can get you from State of Washington to Helena in just under 1h 36m. Your travel time can differ by up to 2h 40m. State of Washington and Helena are separated by a distance of 489 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

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

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

    No one likes to see their flight delayed. When booking a flight from State of Washington to Helena consider choosing Alaska Airlines (77%), Horizon Air (77%) or Hawaiian Airlines (77%) as they are the most reliable in getting you off to your destination on time.

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

    On average you can expect to pay $245 for a flight from State of Washington to Helena. The cheapest flight overall is $217 while the most popular route, (Seattle/Tacoma Intl - Helena) is currently priced at $217.

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

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

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

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

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

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

    Currently, February is the cheapest month in which you can book a flight from State of Washington to Helena (average of $353). Flying from State of Washington to Helena in May is currently the most expensive (average of $517). 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 airline flying from Washington to Helena

Discover the top airline that operate flights from Washington 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 2,558,603 searches. Data last updated September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$157Average$266FlexibilityNo cancel feeOn-time75%

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