Helena

$176+ Cheap flights from Washington to Helena (HLN)

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 8/23. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — HLN
Aug 4 — Aug 111
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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 July 30, 2025.

Round-trip from

$177
(Hawaiian Airlines)

One-way from

$139
(Hawaiian Airlines)

Popular in

December

Cheapest in

February

Average price

$298

Good round-trip deal

$197 or less
From Washington to Helena
One-way flight from Washington to Helena
Highest demand for flights based on searches. 15% potential increase in price ($57 potential increase over avg. RT price).
Cheapest flight prices on average. 5% potential price decrease ($15 potential savings vs. average RT price).
Average for round-trip flights in July 2025
Price to beat on a round-trip flight from Washington to Helena.

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 July 30, 2025.

This SmartFares deal was found by Cheapflights users on 7/28. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/2312:46 pmSEA - HLN
Nonstop1h 35mHawaiian Airlines
Mon 8/254:02 pmHLN - SEA
Nonstop1h 48mHawaiian Airlines
Deal found 7/28$176
This Alaska Airlines deal was found by Cheapflights users on 7/29. 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 9/612:46 pmSEA - HLN
Nonstop1h 35mAlaska Airlines
Sat 9/134:02 pmHLN - SEA
Nonstop1h 48mAlaska Airlines
Deal found 7/29$178
This Delta deal was found by Cheapflights users on 7/29. 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 9/67:10 amSEA - HLN
1 stop4h 10mDelta
Sat 9/135:45 amHLN - SEA
1 stop6h 20mDelta
Deal found 7/29$198
This United Airlines deal was found by Cheapflights users on 7/28. 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 8/265:02 amSEA - HLN
1 stop7h 28mUnited Airlines
Wed 9/35:20 pmHLN - SEA
1 stop6h 39mUnited Airlines
Deal found 7/28$277
This Alaska Airlines deal was found by Cheapflights users on 7/28. 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 9/36:05 amPDX - HLN
1 stop8h 16mAlaska Airlines
Tue 9/94:02 pmHLN - PDX
1 stop15h 15mAlaska Airlines
Deal found 7/28$284
This Delta deal was found by Cheapflights users on 7/28. 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 8/267:15 amPDX - HLN
2 stops28h 05mDelta
Wed 9/35:50 amHLN - PDX
2 stops5h 44mDelta
Deal found 7/28$295
This Hawaiian Airlines deal was found by Cheapflights users on 7/28. 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.
Wed 8/279:40 amPDX - HLN
1 stop4h 41mHawaiian Airlines
Tue 9/24:02 pmHLN - PDX
1 stop6h 23mHawaiian Airlines
Deal found 7/28$412
This United Airlines deal was found by Cheapflights users on 7/30. 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 8/296:27 pmPDX - HLN
1 stop18h 03mUnited Airlines
Wed 9/35:20 pmHLN - PDX
2 stops28h 17mUnited Airlines
Deal found 7/30$550
This Alaska Airlines deal was found by Cheapflights users on 7/29. 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 8/136:00 amBLI - HLN
1 stop8h 31mAlaska Airlines
Sun 8/174:08 pmHLN - BLI
1 stop9h 01mAlaska Airlines
Deal found 7/29$561
This Alaska Airlines deal was found by Cheapflights users on 7/29. 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 8/135:13 amYKM - HLN
1 stop9h 18mAlaska Airlines
Sun 8/174:08 pmHLN - YKM
1 stop22h 21mAlaska Airlines
Deal found 7/29$571
This Alaska Airlines deal was found by Cheapflights users on 7/28. 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 8/121:30 pmPSC - HLN
1 stop25h 01mAlaska Airlines
Sat 8/164:08 pmHLN - PSC
1 stop9h 05mAlaska Airlines
Deal found 7/28$594
This Alaska Airlines deal was found by Cheapflights users on 7/28. 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 8/121:58 pmEAT - HLN
1 stop24h 33mAlaska Airlines
Sat 8/164:08 pmHLN - EAT
1 stop8h 51mAlaska Airlines
Deal found 7/28$650

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 July 30, 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 8/23

12:46 pm-3:21 pm

Nonstop1h 35m

Helena

Mon 8/25

4:02 pm-4:50 pm

Nonstop1h 48m

$176

SeattleHelena

SEA - HLN

SEAHLN

Seattle/Tacoma Intl

Sat 9/6

12:46 pm-3:21 pm

Nonstop1h 35m

Helena

Sat 9/13

4:02 pm-4:50 pm

Nonstop1h 48m

$178

SeattleHelena

SEA - HLN

SEAHLN

Seattle/Tacoma Intl

Sat 9/6

7:10 am-12:20 pm

1 stop4h 10m

Helena

Sat 9/13

5:45 am-11:05 am

1 stop6h 20m

$198

SeattleHelena

SEA - HLN

SEAHLN

Seattle/Tacoma Intl

Tue 8/26

5:02 am-1:30 pm

1 stop7h 28m

Helena

Wed 9/3

5:20 pm-10:59 pm

1 stop6h 39m

$277

PortlandHelena

PDX - HLN

PDXHLN

Portland

Wed 9/3

6:05 am-3:21 pm

1 stop8h 16m

Helena

Tue 9/9

4:02 pm-12:15 am

1 stop9h 13m

$284

PortlandHelena

PDX - HLN

PDXHLN

Portland

Tue 8/26

7:15 am-12:20 pm

2 stops28h 05m

Helena

Wed 9/3

5:50 am-10:34 am

2 stops5h 44m

$295

PortlandHelena

PDX - HLN

PDXHLN

Portland

Wed 8/27

9:40 am-3:21 pm

1 stop4h 41m

Helena

Tue 9/2

4:02 pm-9:25 pm

1 stop6h 23m

$412

PortlandHelena

PDX - HLN

PDXHLN

Portland

Fri 8/29

6:27 pm-1:30 pm

1 stop18h 03m

Helena

Wed 9/3

5:20 pm-8:37 pm

2 stops28h 17m

$550

BellinghamHelena

BLI - HLN

BLIHLN

Bellingham

Wed 8/13

6:00 am-3:31 pm

1 stop8h 31m

Helena

Sun 8/17

4:08 pm-12:09 am

1 stop9h 01m

$561

YakimaHelena

YKM - HLN

YKMHLN

Yakima Air Terminal

Wed 8/13

5:13 am-3:31 pm

1 stop9h 18m

Helena

Sun 8/17

4:08 pm-1:29 pm

1 stop22h 21m

$571

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

Showing 1-10 of 19 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 July 30, 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 July 30, 2025.

The most flights from USWA to HLN are scheduled on a Monday (3 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (2 on average).

Reviews of airlines servicing Helena

Get insights into the airlines that provide service to Helena. 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 Helena. Reviews last updated July 30, 2025.
Read through reviews of airlines operating flights from Washington to Helena, such as Alaska Airlines, Delta, and Hawaiian Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Boarding

8.1

Comfort

7.8

Food

7.1

Entertainment

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

Boarding

8.1

Comfort

7.8

Food

7.1

Entertainment

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
8.0
Very good

Boarding

8.1

Comfort

7.8

Food

7.1

Entertainment

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

Boarding

8.1

Comfort

7.8

Food

7.1

Entertainment

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

Boarding

8.1

Comfort

7.8

Food

7.1

Entertainment

7.1

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

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?

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

    The cheapest airline one-way is Hawaiian Airlines, with whom users have recently found tickets for as low as $139. However, be on the lookout for offers from Delta and Alaska Airlines, as they are both options that can get you from State of Washington to Helena for a low price.

  • What are the most popular routes 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 Hawaiian Airlines (77%), Alaska Airlines (77%) or Horizon Air (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 $308 for a flight from State of Washington to Helena. The cheapest flight overall is $177 while the most popular route, (Portland - Helena) is currently priced at $307.

  • 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.

See more FAQs

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Alternative routes for Washington to Helena

See prices for flight routes from nearby airports that may be better suited for you.

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 July 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$157Average$280FlexibilityNo cancel feeOn-time75%

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