HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Washington

$109+ 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 5/29. Fares are subject to change and may not be available on all flights or dates of travel.
HLN — SEA
May 4 — May 111
Sun 5/4
Sun 5/11
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Helena to Washington with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 April 29, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$238
(Hawaiian Airlines)

One-way from

$109
(Hawaiian Airlines)

Popular in

November

Cheapest in

January

Average price

$298

Good round-trip deal

$298 or less

Good one-way deal

$98 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. 15% potential increase in price ($52 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($18 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2025
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

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 April 29, 2025.

This Alaska Airlines deal was found by Cheapflights users on 4/28. 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 5/204:11 pmHLN - SEA
Nonstop1h 45mAlaska Airlines
Wed 5/211:00 pmSEA - HLN
Nonstop1h 31mAlaska Airlines
Deal found 4/28$197
This Delta deal was found by Cheapflights users on 4/28. 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.
Fri 6/61:01 pmHLN - SEA
1 stop4h 43mDelta
Mon 6/95:30 amSEA - HLN
1 stop5h 57mDelta
Deal found 4/28$237
This Hawaiian Airlines deal was found by Cheapflights users on 4/28. 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.
Tue 7/294:08 pmHLN - SEA
Nonstop1h 47mHawaiian Airlines
Sun 8/312:59 pmSEA - HLN
Nonstop1h 32mHawaiian Airlines
Deal found 4/28$238
This Alaska Airlines deal was found by Cheapflights users on 4/28. 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.
Fri 5/304:11 pmHLN - PDX
2 stops29h 39mAlaska Airlines
Sun 6/19:30 amPDX - HLN
1 stop5h 01mAlaska Airlines
Deal found 4/28$335
This United Airlines deal was found by Cheapflights users on 4/28. 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.
Thu 10/95:20 pmHLN - SEA
1 stop7h 08mUnited Airlines
Sun 10/128:45 amSEA - HLN
1 stop6h 19mUnited Airlines
Deal found 4/28$347
This Hawaiian Airlines deal was found by Cheapflights users on 4/27. 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 5/137:29 pmHLN - GEG
1 stop4h 35mHawaiian Airlines
Sat 5/179:30 amGEG - HLN
1 stop5h 01mHawaiian Airlines
Deal found 4/27$454
This Hawaiian Airlines deal was found by Cheapflights users on 4/28. 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.
Tue 5/137:29 pmHLN - PDX
1 stop3h 54mHawaiian Airlines
Sat 5/179:30 amPDX - HLN
1 stop5h 01mHawaiian Airlines
Deal found 4/28$454
This Delta deal was found by Cheapflights users on 4/28. 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 5/131:01 pmHLN - PDX
2 stops8h 51mDelta
Sat 5/175:00 pmPDX - HLN
1 stop4h 16mDelta
Deal found 4/28$504
This United deal was found by Cheapflights users on 4/27. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/65:39 pmHLN - SEA
1 stop17h 20mMultiple Airlines
Sun 6/81:00 pmSEA - HLN
Nonstop1h 31mMultiple Airlines
Deal found 4/27$540
This Delta deal was found by Cheapflights users on 4/27. 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 5/131:01 pmHLN - GEG
2 stops9h 04mDelta
Sat 5/175:00 amGEG - HLN
2 stops6h 21mDelta
Deal found 4/27$574
This Alaska Airlines deal was found by Cheapflights users on 4/27. 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 5/137:29 pmHLN - GEG
2 stops13h 34mAlaska Airlines
Sat 5/178:27 amGEG - HLN
1 stop6h 04mAlaska Airlines
Deal found 4/27$619
This United Airlines deal was found by Cheapflights users on 4/28. 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.
Wed 5/72:16 pmHLN - PDX
2 stops25h 38mUnited Airlines
Tue 5/131:45 pmPDX - HLN
2 stops22h 46mUnited Airlines
Deal found 4/28$645

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 April 29, 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

Fri 5/23

4:11 pm-4:56 pm

Nonstop1h 45m

Seattle/Tacoma Intl

Wed 5/28

1:00 pm-3:31 pm

Nonstop1h 31m

$238

HelenaSeattle

HLN - SEA

HLNSEA

Helena

Tue 7/8

1:00 pm-6:25 pm

1 stop6h 25m

Seattle/Tacoma Intl

Mon 7/14

5:30 pm-10:56 pm

1 stop4h 26m

$257

HelenaSeattle

HLN - SEA

HLNSEA

Helena

Wed 7/9

4:08 pm-4:55 pm

Nonstop1h 47m

Seattle/Tacoma Intl

Tue 7/15

12:59 pm-3:31 pm

Nonstop1h 32m

$268

HelenaPortland

HLN - PDX

HLNPDX

Helena

Fri 5/30

4:11 pm-8:50 pm

2 stops29h 39m

Portland

Sun 6/1

9:30 am-3:31 pm

1 stop5h 01m

$335

HelenaSeattle

HLN - SEA

HLNSEA

Helena

Thu 10/9

5:20 pm-11:28 pm

1 stop7h 08m

Seattle/Tacoma Intl

Sun 10/12

8:45 am-4:04 pm

1 stop6h 19m

$347

HelenaSpokane

HLN - GEG

HLNGEG

Helena

Tue 5/13

7:29 pm-11:04 pm

1 stop4h 35m

Spokane

Sat 5/17

9:30 am-3:31 pm

1 stop5h 01m

$454

HelenaPortland

HLN - PDX

HLNPDX

Helena

Tue 5/13

7:29 pm-10:23 pm

1 stop3h 54m

Portland

Sat 5/17

9:30 am-3:31 pm

1 stop5h 01m

$454

HelenaPortland

HLN - PDX

HLNPDX

Helena

Tue 5/13

1:01 pm-8:52 pm

2 stops8h 51m

Portland

Sat 5/17

5:00 pm-10:16 pm

1 stop4h 16m

$504

HelenaSeattle

HLN - SEA

HLNSEA

Helena

Thu 10/9

2:42 pm-9:22 pm

1 stop7h 40m

Seattle/Tacoma Intl

Sun 10/12

1:05 pm-3:43 pm

Nonstop1h 38m

$564

HelenaSpokane

HLN - GEG

HLNGEG

Helena

Tue 5/13

1:01 pm-9:05 pm

2 stops9h 04m

Spokane

Sat 5/17

5:00 am-12:21 pm

2 stops6h 21m

$574

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 19 results
1
2

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 July is currently the most expensive (average of $405). 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 April 29, 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 April 29, 2025.

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

Rainfall in Washington by month

Plan your trip to Washington by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in State of Washington ranges from 0.7 - 6.6 inches per month. November is typically the wettest month, when rainfall can reach 6.6 in. July is typically the driest time to visit State of Washington when rainfall is around 0.7 in.

Temperature in Washington by month

Plan your trip to Washington by taking into account the average temperature totals by month.

If weather is an important factor for your trip to State of Washington, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 66.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 41.0 F).

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 April 29, 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. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,961 reviews

Food

7.1

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
9,961 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Food

7.1

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,929 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Food

7.1

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.9
Good
2,405 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Food

7.1

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,696 reviews
Alaska Airlines
8.0
Very good
9,961 reviews

Food

7.1

Overall

8.0

Comfort

7.9

Boarding

8.2

Crew

8.5

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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, 5 users have taken a look at flights from Helena to Washington.

  • 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 Hawaiian Airlines ($109), Delta ($119), and Alaska Airlines ($149).

  • 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 Korean Air (78%), Hawaiian Airlines (78%) or Alaska Airlines (61%) 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 $98. While the most popular route (Helena - Seattle/Tacoma Intl) can be booked for $197 on average our data indicates $324 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 July is currently the most expensive (average of $405). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Helena to Washington

See prices for flight routes from nearby airports that may be better suited for you.
Kalispell to Seattle flights
Kalispell to O'Hare Intl flights
Bozeman to Newark flights
Bozeman to Los Angeles flights
Bozeman to Denver flights
Kalispell to Portland flights
Billings to Seattle flights
Missoula to Minneapolis flights
Bozeman to John F Kennedy Intl flights
Bozeman to Atlanta flights
Missoula to O'Hare Intl flights
Bozeman to Las Vegas flights
Bozeman to San Francisco flights
Bozeman to O'Hare Intl flights
Missoula to Seattle flights
Missoula to Denver flights
Billings to Denver flights
Bozeman to Philadelphia flights
Kalispell to San Francisco flights
Bozeman to LaGuardia flights
Bozeman to Minneapolis flights
Bozeman to Seattle flights
Billings to Dallas/Fort Worth flights
Bozeman to Portland flights
Missoula to Hobby flights
Bozeman to Boston flights
Great Falls to Seattle flights
Billings to O'Hare Intl flights
Missoula to George Bush Intcntl flights
Missoula to Nashville flights
Great Falls to Dallas/Fort Worth flights
Bozeman to Miami flights
Missoula to San Francisco flights
Bozeman to Dulles Intl flights
Missoula to Las Vegas flights
Missoula to John F Kennedy Intl flights
Missoula to LaGuardia flights
Missoula to Madison flights
Bozeman to Salt Lake City flights
Billings to Portland flights
Kalispell to Denver flights
Bozeman to Baltimore flights
Bozeman to San Diego flights
Billings to Minneapolis flights
Billings to Dulles Intl flights
Bozeman to Midway flights
Bozeman to Milwaukee flights
Bozeman to Sky Harbor Intl flights
Missoula to Salt Lake City flights
Bozeman to Dallas/Fort Worth flights

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 April 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$186Average$265FlexibilityNo cancel feeOn-time75%
DeltaCheapest$246Average$536FlexibilityNo cancel feeOn-timeN/A

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.