HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Washington

$124+ 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 8/19. Fares are subject to change and may not be available on all flights or dates of travel.
HLN — SEA
Jul 15 — Jul 221
Wed 7/15
Wed 7/22
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

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 June 15, 2026.

This Priceline deal was found by Cheapflights users on 6/12. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/74:41 pm
HLN
-
SEA
Nonstop1h 52m
Alaska Airlines
Sat 11/141:28 pm
SEA
-
HLN
Nonstop1h 36m
Alaska Airlines
Deal found 6/12$187
This Alaska Airlines deal was found by Cheapflights users on 6/13. 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 10/234:48 pm
HLN
-
SEA
Nonstop1h 53m
Alaska Airlines
Sat 10/241:36 pm
SEA
-
HLN
Nonstop1h 35m
Alaska Airlines
Deal found 6/13$197
This Delta deal was found by Cheapflights users on 6/12. 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.
Sat 11/712:50 pm
HLN
-
SEA
1 stop6h 40m
Delta
Sat 11/145:45 am
SEA
-
HLN
1 stop5h 39m
Delta
Deal found 6/12$217
This Delta deal was found by Cheapflights users on 6/15. 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.
Wed 8/265:40 am
HLN
-
SEA
1 stop4h 17m
Delta
Sun 8/305:45 am
SEA
-
HLN
1 stop5h 30m
Delta
Deal found 6/15$232
This Delta deal was found by Cheapflights users on 6/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/912:50 pm
HLN
-
SEA
1 stop6h 40m
Delta
Mon 10/125:45 am
SEA
-
HLN
1 stop5h 39m
Delta
Deal found 6/11$247
This Alaska Airlines deal was found by Cheapflights users on 6/13. 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 10/144:48 pm
HLN
-
SEA
Nonstop1h 53m
Alaska Airlines
Wed 10/211:36 pm
SEA
-
HLN
Nonstop1h 35m
Alaska Airlines
Deal found 6/13$262
This Delta deal was found by Cheapflights users on 6/13. 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.
Tue 10/275:45 am
HLN
-
SEA
1 stop7h 39m
Delta
Fri 10/305:45 am
SEA
-
HLN
1 stop5h 39m
Delta
Deal found 6/13$292
This Alaska Airlines deal was found by Cheapflights users on 6/13. 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 12/174:08 pm
HLN
-
SEA
Nonstop1h 47m
Alaska Airlines
Wed 12/2312:59 pm
SEA
-
HLN
Nonstop1h 32m
Alaska Airlines
Deal found 6/13$307
This Alaska Airlines deal was found by Cheapflights users on 6/13. 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.
Mon 10/264:48 pm
HLN
-
SEA
Nonstop1h 53m
Alaska Airlines
Thu 10/291:36 pm
SEA
-
HLN
Nonstop1h 35m
Alaska Airlines
Deal found 6/13$317
This Alaska Airlines deal was found by Cheapflights users on 6/12. 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.
Fri 10/94:48 pm
HLN
-
SEA
Nonstop1h 53m
Alaska Airlines
Mon 10/121:36 pm
SEA
-
HLN
Nonstop1h 35m
Alaska Airlines
Deal found 6/12$322
This Alaska Airlines deal was found by Cheapflights users on 6/11. 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 9/235:18 pm
HLN
-
PDX
1 stop5h 43m
Alaska Airlines
Sat 9/2610:45 am
PDX
-
HLN
1 stop4h 56m
Alaska Airlines
Deal found 6/11$333
This Orbitz deal was found by Cheapflights users on 6/11. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/205:34 pm
HLN
-
BLI
1 stop7h 25m
Alaska Airlines
Tue 8/257:19 pm
BLI
-
HLN
1 stop20h 15m
Alaska Airlines
Deal found 6/11$343

Find flight deals from Helena to Washington

Keep the following information in mind while searching for Helena to Washington flight deals. Data was last updated June 15, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$187
(Priceline)

One-way from

$124
(Priceline)

Popular in

June

Cheapest in

February

Average price

$440

Good round-trip deal

$388 or less

Good one-way deal

$218 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. 25% potential increase in price ($79 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease ($19 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
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

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 June 15, 2026.
Use the filters below to find and compare flights from Helena to Washington that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HelenaSeattle

HLN - SEA

HLNSEA

Helena

Sat 11/7

12:50 pm-6:30 pm

1 stop6h 40m

Seattle/Tacoma Intl

Sat 11/14

5:45 am-12:24 pm

1 stop5h 39m

$217

HelenaSeattle

HLN - SEA

HLNSEA

Helena

Wed 8/19

5:11 pm-6:08 pm

Nonstop1h 57m

Seattle/Tacoma Intl

Sat 8/22

2:19 pm-4:55 pm

Nonstop1h 36m

$247

HelenaSeattle

HLN - SEA

HLNSEA

Helena

Fri 10/9

12:50 pm-6:30 pm

1 stop6h 40m

Seattle/Tacoma Intl

Mon 10/12

5:45 am-12:24 pm

1 stop5h 39m

$247

HelenaSeattle

HLN - SEA

HLNSEA

Helena

Tue 10/27

5:45 am-12:24 pm

1 stop7h 39m

Seattle/Tacoma Intl

Fri 10/30

5:45 am-12:24 pm

1 stop5h 39m

$292

HelenaSeattle

HLN - SEA

HLNSEA

Helena

Wed 8/26

5:40 am-8:57 am

1 stop4h 17m

Seattle/Tacoma Intl

Sun 8/30

5:45 am-12:15 pm

1 stop5h 30m

$297

HelenaSeattle

HLN - SEA

HLNSEA

Helena

Mon 9/21

12:57 pm-6:52 pm

1 stop6h 55m

Seattle/Tacoma Intl

Fri 9/25

5:25 am-12:17 pm

1 stop5h 52m

$307

HelenaPortland

HLN - PDX

HLNPDX

Helena

Wed 9/23

5:18 pm-10:01 pm

1 stop5h 43m

Portland

Sat 9/26

10:45 am-4:41 pm

1 stop4h 56m

$333

HelenaPortland

HLN - PDX

HLNPDX

Helena

Wed 10/21

4:48 pm-9:59 pm

1 stop6h 11m

Portland

Sat 10/24

10:51 am-4:11 pm

1 stop4h 20m

$333

HelenaSeattle

HLN - SEA

HLNSEA

Helena

Sat 11/7

2:30 pm-11:21 pm

2 stops9h 51m

Seattle/Tacoma Intl

Sat 11/14

5:07 am-1:27 pm

1 stop7h 20m

$343
Quickest round-trip

HelenaSeattle

HLN - SEA

HLNSEA

Helena

Sat 10/17

4:48 pm-5:41 pm

Nonstop1h 53m

Seattle/Tacoma Intl

Sat 10/24

1:36 pm-4:11 pm

Nonstop1h 35m

$347

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/14

Showing 1-10 of 52 resultsSorted by cheapest first
1
2
3
...
6

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, November is the cheapest month in which you can book a flight from Helena to State of Washington (average of $127). Flying from Helena to State of Washington in July is currently the most expensive (average of $268). 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 June 15, 2026.

When flying from Helena to State of Washington, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 58% versus a flight at noon.

How much does it cost to fly round-trip from Helena to State of Washington?

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 June 15, 2026.
Peruse reviews from past customers who have flown with Alaska 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
7.9
Good
12,511 reviews

Crew

8.5

Entertainment

7.0

Food

7.0

Overall

7.9

Comfort

7.8

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Jun 2026

RDU - SEA

There was almost a 2 hour delay after arriving before our next flight. Also my husband needed a wheelchair and it seemed hard to get help.
Alaska Airlines
7.9
Good
12,511 reviews
Alaska Airlines
7.9
Good
12,511 reviews

Crew

8.5

Entertainment

7.0

Food

7.0

Overall

7.9

Comfort

7.8

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Jun 2026

RDU - SEA

There was almost a 2 hour delay after arriving before our next flight. Also my husband needed a wheelchair and it seemed hard to get help.

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

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

    Delta and Alaska Airlines can get you from Helena to State of Washington in just under 1h 57m. Your travel time can differ by up to 4h 43m. Helena and State of Washington are separated by a distance of 489 mi. This flight may include one or multiple stops.

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

    Most travelers choose Helena - Seattle/Tacoma Intl, Helena - Portland or Helena - Bellingham 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 Hawaiian Airlines (90%), Korean Air (83%) or Alaska Airlines (71%) 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 $183. While the most popular route (Helena - Seattle/Tacoma Intl) can be booked for $187 on average, our data indicates $408 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, November is the cheapest month in which you can book a flight from Helena to State of Washington (average of $127). Flying from Helena to State of Washington in July is currently the most expensive (average of $268). 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.

Top airline flying from Helena to Washington

Discover the top airline 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 June 15, 2026.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$137Average$207FlexibilityNo cancel feeOn-time75%

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.