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$89+ 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 12/17. Fares are subject to change and may not be available on all flights or dates of travel.
HLN — SEA
Nov 27 — Dec 41
Thu 11/27
Thu 12/4
1 adult, Economy
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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 October 28, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$117
(Hawaiian Airlines)

One-way from

$89
(Alaska Airlines)

Popular in

March

Cheapest in

January

Average price

$236

Good round-trip deal

$270 or less

Good one-way deal

$163 or less
Provider with most accurate pricing for Helena-Seattle/Tacoma Intl flight deals.
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Provider most trusted by Cheapflights users for Helena-Seattle/Tacoma Intl flights.
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From Helena to Washington
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One-way flight from Helena to Washington
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Highest demand for flights based on searches. 2% potential increase in price ($5 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($6 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Price to beat on a round-trip flight from Helena to Washington.
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Price to beat on a one-way flight from Helena to Washington.
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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 October 28, 2025.

This Alaska Airlines deal was found by Cheapflights users on 10/27. 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.
Sat 12/66:28 pmHLN - SEA
Nonstop1h 52mAlaska Airlines
Sun 12/73:13 pmSEA - HLN
Nonstop1h 38mAlaska Airlines
Deal found 10/27$127
This Expedia deal was found by Cheapflights users on 10/25. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/46:28 pmHLN - SEA
Nonstop1h 52mAlaska Airlines
Mon 12/83:13 pmSEA - HLN
Nonstop1h 38mAlaska Airlines
Deal found 10/25$137
This Alaska Airlines deal was found by Cheapflights users on 10/27. 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.
Sat 12/136:28 pmHLN - SEA
Nonstop1h 52mAlaska Airlines
Mon 12/153:13 pmSEA - HLN
Nonstop1h 38mAlaska Airlines
Deal found 10/27$198
This Delta deal was found by Cheapflights users on 10/27. 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.
Fri 12/55:30 amHLN - SEA
1 stop4h 55mDelta
Mon 12/85:25 amSEA - HLN
1 stop6h 00mDelta
Deal found 10/27$208
This Expedia deal was found by Cheapflights users on 10/27. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/106:28 pmHLN - PDX
1 stop3h 52mAlaska Airlines
Wed 12/177:25 amPDX - HLN
1 stop9h 26mAlaska Airlines
Deal found 10/27$243
This Delta deal was found by Cheapflights users on 10/27. 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.
Thu 12/115:30 amHLN - PDX
1 stop4h 40mDelta
Tue 12/165:05 pmPDX - HLN
1 stop4h 25mDelta
Deal found 10/27$252
This Delta deal was found by Cheapflights users on 10/27. 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.
Fri 12/125:30 amHLN - SEA
1 stop4h 55mDelta
Mon 12/155:25 amSEA - HLN
1 stop6h 00mDelta
Deal found 10/27$259
This Delta deal was found by Cheapflights users on 10/27. 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.
Thu 12/111:06 pmHLN - PDX
1 stop6h 08mDelta
Fri 12/125:05 pmPDX - HLN
1 stop4h 25mDelta
Deal found 10/27$271
This United Airlines deal was found by Cheapflights users on 10/25. 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 12/42:30 pmHLN - SEA
2 stops9h 45mUnited Airlines
Mon 12/85:00 amSEA - HLN
1 stop7h 47mUnited Airlines
Deal found 10/25$282
This Alaska Airlines deal was found by Cheapflights users on 10/27. 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.
Thu 12/116:28 pmHLN - PDX
1 stop20h 22mAlaska Airlines
Wed 12/177:25 amPDX - HLN
1 stop9h 26mAlaska Airlines
Deal found 10/27$295
This Alaska Airlines deal was found by Cheapflights users on 10/27. 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.
Wed 11/126:13 pmHLN - SEA
Nonstop1h 49mAlaska Airlines
Sat 11/153:00 pmSEA - HLN
Nonstop1h 36mAlaska Airlines
Deal found 10/27$318
This Alaska Airlines deal was found by Cheapflights users on 10/27. 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.
Thu 12/116:28 pmHLN - PDX
1 stop16h 04mAlaska Airlines
Tue 12/162:30 pmPDX - HLN
2 stops26h 21mAlaska Airlines
Deal found 10/27$352

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 October 28, 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

Sat 2/28

4:10 pm-4:59 pm

Nonstop1h 49m

Seattle/Tacoma Intl

Tue 3/3

1:05 pm-3:43 pm

Nonstop1h 38m

$117

HelenaSeattle

HLN - SEA

HLNSEA

Helena

Sat 2/28

4:10 pm-4:59 pm

Nonstop1h 49m

Seattle/Tacoma Intl

Tue 3/3

1:05 pm-3:43 pm

Nonstop1h 38m

$117

HelenaSeattle

HLN - SEA

HLNSEA

Helena

Sat 2/21

4:10 pm-4:59 pm

Nonstop1h 49m

Seattle/Tacoma Intl

Tue 3/3

1:05 pm-3:43 pm

Nonstop1h 38m

$117

HelenaSeattle

HLN - SEA

HLNSEA

Helena

Sat 12/6

6:28 pm-7:20 pm

Nonstop1h 52m

Seattle/Tacoma Intl

Sun 12/7

3:13 pm-5:51 pm

Nonstop1h 38m

$127

HelenaSeattle

HLN - SEA

HLNSEA

Helena

Mon 2/23

4:10 pm-4:59 pm

Nonstop1h 49m

Seattle/Tacoma Intl

Tue 3/3

1:05 pm-3:43 pm

Nonstop1h 38m

$127

HelenaSeattle

HLN - SEA

HLNSEA

Helena

Thu 2/5

5:59 pm-6:58 pm

Nonstop1h 59m

Seattle/Tacoma Intl

Sun 2/8

2:42 pm-5:22 pm

Nonstop1h 40m

$167

HelenaSeattle

HLN - SEA

HLNSEA

Helena

Sat 2/28

12:50 pm-5:00 pm

1 stop5h 10m

Seattle/Tacoma Intl

Tue 3/3

5:45 am-12:27 pm

1 stop5h 42m

$198

HelenaSeattle

HLN - SEA

HLNSEA

Helena

Thu 2/26

12:50 pm-5:00 pm

1 stop5h 10m

Seattle/Tacoma Intl

Tue 3/3

5:45 am-12:27 pm

1 stop5h 42m

$198

HelenaSeattle

HLN - SEA

HLNSEA

Helena

Sat 12/13

6:28 pm-7:20 pm

Nonstop1h 52m

Seattle/Tacoma Intl

Mon 12/15

3:13 pm-5:51 pm

Nonstop1h 38m

$198

HelenaSeattle

HLN - SEA

HLNSEA

Helena

Fri 1/16

5:59 pm-6:58 pm

Nonstop1h 59m

Seattle/Tacoma Intl

Mon 1/19

2:42 pm-5:22 pm

Nonstop1h 40m

$198

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/27

Showing 1-10 of 44 results
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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 April is currently the most expensive (average of $177). 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 October 28, 2025.

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 at noon, which can drop the price by up to 12% versus a flight in the afternoon.

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 October 28, 2025.
Peruse reviews from past customers who have flown with Alaska Airlines and Hawaiian 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
8.0
Very good
11,199 reviews

Overall

8.0

Food

7.1

Boarding

8.1

Entertainment

7.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
Alaska Airlines
8.0
Very good
11,199 reviews
Alaska Airlines
8.0
Very good
11,199 reviews

Overall

8.0

Food

7.1

Boarding

8.1

Entertainment

7.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why
Hawaiian Airlines
7.8
Good
2,794 reviews
Alaska Airlines
8.0
Very good
11,199 reviews

Overall

8.0

Food

7.1

Boarding

8.1

Entertainment

7.0

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

MFR - SEA

Great smooth flight. Was hour and half late though. Don't know why

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

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

    Hawaiian Airlines, Alaska Airlines, and Delta can get you from Helena to State of Washington in just under 1h 49m. Your travel time can differ by up to 8h 18m. Helena and State of Washington are separated by a distance of 489 mi. This flight may include one or multiple stops.

  • 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 Delta ($99), Alaska Airlines ($179), and United Airlines ($224).

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

    Most travelers choose Helena - Seattle/Tacoma Intl, Helena - Portland or Helena - Pullman Moscow Regional 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 Alaska Airlines (78%), Horizon Air (78%) or Hawaiian Airlines (78%) 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 $88. While the most popular route (Helena - Seattle/Tacoma Intl) can be booked for $117 on average, our data indicates $320 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 April is currently the most expensive (average of $177). 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 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 October 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
Hawaiian AirlinesCheapest$149Average$268FlexibilityNo cancel feeOn-time85%
Alaska AirlinesCheapest$157Average$289FlexibilityNo cancel feeOn-time75%

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