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Helena

$149+ 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 12/18. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — HLN
Dec 13 — Dec 201
Sat 12/13
Sat 12/20
1 adult, Economy
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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 November 13, 2025.

This Alaska Airlines deal was found by Cheapflights users on 11/12. 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 12/313:17 pmSEA - HLN
Nonstop1h 38mAlaska Airlines
Sun 1/46:32 pmHLN - SEA
Nonstop1h 55mAlaska Airlines
Deal found 11/12$288
This Delta deal was found by Cheapflights users on 11/13. 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 12/105:30 amPDX - HLN
1 stop5h 55mDelta
Fri 12/125:30 amHLN - PDX
1 stop4h 40mDelta
Deal found 11/13$321
This Alaska Airlines deal was found by Cheapflights users on 11/13. 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 12/118:44 pmPDX - HLN
1 stop20h 07mAlaska Airlines
Thu 12/186:32 pmHLN - PDX
1 stop6h 40mAlaska Airlines
Deal found 11/13$344
This Alaska Airlines deal was found by Cheapflights users on 11/13. 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 12/32:55 pmPDX - HLN
2 stops25h 56mAlaska Airlines
Sat 12/136:28 pmHLN - PDX
1 stop3h 52mAlaska Airlines
Deal found 11/13$410
This Delta deal was found by Cheapflights users on 11/12. 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 11/285:25 amSEA - HLN
1 stop6h 01mDelta
Tue 12/21:06 pmHLN - SEA
1 stop4h 48mDelta
Deal found 11/12$468
This United Airlines deal was found by Cheapflights users on 11/13. 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 12/105:00 amPDX - HLN
1 stop15h 22mUnited Airlines
Fri 12/122:30 pmHLN - PDX
2 stops21h 33mUnited Airlines
Deal found 11/13$480
This Alaska Airlines deal was found by Cheapflights users on 11/13. 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 11/2810:35 amPDX - HLN
1 stop7h 17mAlaska Airlines
Tue 12/26:28 pmHLN - PDX
1 stop6h 51mAlaska Airlines
Deal found 11/13$537
This Alaska Airlines deal was found by Cheapflights users on 11/11. 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.
Sun 11/236:30 amPDX - HLN
1 stop11h 22mAlaska Airlines
Tue 12/26:28 pmHLN - PDX
1 stop4h 59mAlaska Airlines
Deal found 11/11$544
This Alaska Airlines deal was found by Cheapflights users on 11/10. 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 12/243:17 pmSEA - HLN
Nonstop1h 38mAlaska Airlines
Wed 12/316:32 pmHLN - SEA
Nonstop1h 55mAlaska Airlines
Deal found 11/10$573
This Delta deal was found by Cheapflights users on 11/12. 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 11/231:44 pmSEA - HLN
1 stop7h 46mDelta
Tue 11/255:30 amHLN - SEA
1 stop4h 49mDelta
Deal found 11/12$587
This Delta deal was found by Cheapflights users on 11/10. 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.
Wed 12/244:57 pmSEA - HLN
1 stop4h 33mDelta
Tue 12/305:30 amHLN - SEA
1 stop5h 38mDelta
Deal found 11/10$599
This Delta deal was found by Cheapflights users on 11/12. 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 12/314:57 pmSEA - HLN
1 stop4h 33mDelta
Sun 1/41:11 pmHLN - SEA
1 stop6h 20mDelta
Deal found 11/12$639

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 November 13, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$177
(Alaska Airlines)

One-way from

$149
(Alaska Airlines)

Popular in

December

Cheapest in

November

Average price

$197

Good round-trip deal

$157 or less
Provider with most accurate pricing for Seattle/Tacoma Intl-Helena flight deals.
Search Deals
Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Helena flights.
Search Deals
From Washington to Helena
Search Deals
One-way flight from Washington to Helena
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($15 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($22 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals
Price to beat on a round-trip flight from Washington to Helena.
Search Deals

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 November 13, 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

Fri 1/23

3:31 pm-6:11 pm

Nonstop1h 40m

Helena

Sun 1/25

6:48 pm-7:47 pm

Nonstop1h 59m

$197

SeattleHelena

SEA - HLN

SEAHLN

Seattle/Tacoma Intl

Sat 4/25

1:05 pm-3:38 pm

Nonstop1h 33m

Helena

Wed 4/29

4:10 pm-4:51 pm

Nonstop1h 41m

$258

SeattleHelena

SEA - HLN

SEAHLN

Seattle/Tacoma Intl

Sat 4/25

5:45 am-12:23 pm

1 stop5h 38m

Helena

Wed 4/29

12:50 pm-4:52 pm

1 stop5h 02m

$278

SeattleHelena

SEA - HLN

SEAHLN

Seattle/Tacoma Intl

Fri 1/23

4:55 pm-10:29 pm

1 stop4h 34m

Helena

Sun 1/25

5:30 am-9:17 am

1 stop4h 47m

$278

SeattleHelena

SEA - HLN

SEAHLN

Seattle/Tacoma Intl

Wed 12/31

3:17 pm-5:55 pm

Nonstop1h 38m

Helena

Sun 1/4

6:32 pm-7:27 pm

Nonstop1h 55m

$288

PascoHelena

PSC - HLN

PSCHLN

Pasco Tri Cities

Sat 4/25

5:00 pm-10:34 pm

1 stop4h 34m

Helena

Wed 4/29

12:50 pm-5:01 pm

1 stop5h 11m

$337

PortlandHelena

PDX - HLN

PDXHLN

Portland

Thu 12/11

8:44 pm-5:51 pm

1 stop20h 07m

Helena

Thu 12/18

6:32 pm-12:12 am

1 stop6h 40m

$344

PortlandHelena

PDX - HLN

PDXHLN

Portland

Wed 4/15

8:40 am-3:38 pm

1 stop5h 58m

Helena

Sat 4/18

4:10 pm-8:43 pm

1 stop5h 33m

$396

PortlandHelena

PDX - HLN

PDXHLN

Portland

Wed 4/15

5:30 pm-3:38 pm

2 stops21h 08m

Helena

Sat 4/18

4:10 pm-8:43 pm

1 stop5h 33m

$426

PortlandHelena

PDX - HLN

PDXHLN

Portland

Wed 12/3

2:55 pm-5:51 pm

2 stops25h 56m

Helena

Sat 12/13

6:28 pm-9:56 am

2 stops16h 28m

$430

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/11

Showing 1-10 of 27 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, November is the cheapest month in which you can book a flight from State of Washington to Helena (average of $102). Flying from State of Washington to Helena in March is currently the most expensive (average of $167). 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 November 13, 2025.

It’s optimal to fly from State of Washington to Helena in the afternoon. By choosing this option you can save up to 50% on the cost of your flight, compared to a flight in the morning.

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 November 13, 2025.

The most flights from USWA to HLN are scheduled on a Monday (4 on average). You will have fewer flight options on Sunday, 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, Delta, and Hawaiian Airlines can get you from State of Washington to Helena in just under 1h 40m. Your travel time can differ by up to 4h 18m. 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 Pasco Tri Cities - 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 Qatar Airways (86%), Alaska Airlines (85%) or Horizon Air (85%) 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 $157 for a flight from State of Washington to Helena. The cheapest flight overall is $157 while the most popular route, (Seattle/Tacoma Intl - Helena) is currently priced at $207.

  • 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, November is the cheapest month in which you can book a flight from State of Washington to Helena (average of $102). Flying from State of Washington to Helena in March is currently the most expensive (average of $167). 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 November 13, 2025.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$157Average$240FlexibilityNo cancel feeOn-time75%

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