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Helena

$364+ Cheap flights from Washington, D.C. (WAS) 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 1/31. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — HLN
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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Cheap flight deals from Washington, D.C. to Helena

Cheapest flights from Washington, D.C. to Helena
Explore the most affordable flight options available from Washington, D.C. to Helena. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.

This KAYAK deal was found by Cheapflights users on 12/9. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/157:05 amIAD - HLN
1 stop7h 20mDelta
Thu 12/181:06 pmHLN - IAD
1 stop8h 23mDelta
Deal found 12/9$648
This United Airlines deal was found by Cheapflights users on 12/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/268:15 amBWI - HLN
1 stop7h 30mUnited Airlines
Tue 12/306:10 amHLN - BWI
1 stop6h 49mUnited Airlines
Deal found 12/11$817
This United Airlines deal was found by Cheapflights users on 12/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/304:05 pmBWI - HLN
1 stop7h 26mUnited Airlines
Sat 1/32:26 pmHLN - BWI
1 stop12h 58mUnited Airlines
Deal found 12/10$981

Find flight deals from Washington, D.C. to Helena

Discover tips and strategies to find the most affordable flight options for your journey from Washington, D.C. (WAS) to Helena (HLN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 12, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$364
(Alaska Airlines)
Provider with most accurate pricing for Washington, D.C. (WAS)-Helena flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Helena flights.
Search Deals
From Washington, D.C. (WAS) to Helena
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Washington, D.C. 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 December 12, 2025.
Use the filters below to find and compare flights from Washington, D.C. to Helena that are best for you.

Fly from

Washington, D.C.

Fly to

Helena

Route

Depart

Return

Price

Washington, D.C.Helena

DCA - HLN

DCAHLN

Washington, D.C. Reagan-National

Sat 1/31

8:00 am-6:11 pm

1 stop12h 11m

Helena

Wed 2/4

6:48 pm-4:09 pm

1 stop19h 21m

$364

Washington, D.C.Helena

IAD - HLN

IADHLN

Washington, D.C. Dulles Intl

Sat 1/31

6:04 pm-6:11 pm

1 stop26h 07m

Helena

Wed 2/4

6:48 pm-4:26 pm

1 stop19h 38m

$375

Washington, D.C.Helena

IAD - HLN

IADHLN

Washington, D.C. Dulles Intl

Fri 3/6

6:20 pm-3:59 pm

2 stops23h 39m

Helena

Tue 3/10

4:36 pm-5:27 pm

2 stops22h 51m

$478

Washington, D.C.Helena

IAD - HLN

IADHLN

Washington, D.C. Dulles Intl

Fri 4/3

7:00 am-3:38 pm

1 stop10h 38m

Helena

Mon 4/13

4:10 pm-5:49 am

1 stop11h 39m

$486

BaltimoreHelena

BWI - HLN

BWIHLN

Baltimore/Washington

Fri 3/13

4:03 pm-9:25 pm

1 stop7h 22m

Helena

Mon 3/16

2:30 pm-11:19 pm

1 stop6h 49m

$487

Washington, D.C.Helena

IAD - HLN

IADHLN

Washington, D.C. Dulles Intl

Fri 3/13

2:12 pm-9:25 pm

1 stop9h 13m

Helena

Mon 3/16

2:30 pm-11:20 pm

1 stop6h 50m

$487

BaltimoreHelena

BWI - HLN

BWIHLN

Baltimore/Washington

Wed 1/28

7:14 pm-6:11 pm

1 stop24h 57m

Helena

Sat 1/31

6:48 pm-6:14 pm

1 stop21h 26m

$492

BaltimoreHelena

BWI - HLN

BWIHLN

Baltimore/Washington

Fri 2/27

6:46 pm-3:59 pm

1 stop23h 13m

Helena

Mon 3/2

4:36 pm-5:46 pm

1 stop23h 10m

$492

Washington, D.C.Helena

IAD - HLN

IADHLN

Washington, D.C. Dulles Intl

Fri 3/13

6:20 pm-3:59 pm

2 stops23h 39m

Helena

Mon 3/16

4:36 pm-5:27 pm

2 stops22h 51m

$523

Washington, D.C.Helena

IAD - HLN

IADHLN

Washington, D.C. Dulles Intl

Wed 1/7

8:15 am-1:41 pm

1 stop7h 26m

Helena

Sun 1/11

2:27 pm-11:22 pm

1 stop6h 55m

$528

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/8

Showing 1-10 of 14 results
1
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Compare providers for flights from Washington, D.C. to Helena

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Washington, D.C. to Helena in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Washington, D.C.-Helena flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Washington, D.C.-Helena flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Washington, D.C.-Helena flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C.-Helena flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C.-Helena flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Washington, D.C. to Helena

Have a flexible travel schedule? Discover the best time to fly to Helena from Washington, D.C. 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, D.C. to Helena

What is the cheapest month to book a flight from Washington, D.C. to Helena?

Currently, June is the cheapest month in which you can book a flight from Washington, D.C. to Helena (average of $176). Flying from Washington, D.C. to Helena in March is currently the most expensive (average of $355). 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.

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 December 12, 2025.
Read through reviews of airlines operating flights from Washington, D.C. to Helena, such as United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,095 reviews

Entertainment

7.1

Food

6.6

Boarding

7.7

Comfort

7.3

Crew

8.1

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.
United Airlines
7.4
Good
9,095 reviews
United Airlines
7.4
Good
9,095 reviews

Entertainment

7.1

Food

6.6

Boarding

7.7

Comfort

7.3

Crew

8.1

Overall

7.4

Reviews

1 / 20
10.0
Excellent

Sunderesh,Dec 2025

AUS - EWR

Smooth flight from Austin to Newark. The crew was friendly.

Related info for your journey

Find useful and relevant information for your journey from Washington, D.C. 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, D.C.?

    For a flight from Washington, D.C. to Helena, you will be flying into Helena. Helena (HLN) is just 2.7 mi from the center of the city. Helena is the only Helena airport and it handles 0 inbound flights from Washington, D.C. per day. 1 airline has flights to Helena from Washington, D.C. on a regular basis.

  • How long is the flight from Washington, D.C. to Helena?

    For as low as $487, Alaska Airlines can have you in Helena from Washington, D.C. in 7h 22m. Airlines will cover a distance of 1842 mi. This flight may include one or multiple stops.

  • What is the cheapest airline to fly from Washington, D.C. to Helena round-trip?

    Our cheapest airline available from Washington, D.C. to Helena is United Airlines. Our recent data shows that you can find tickets from as low as $412 on this airline.

  • What are the most popular routes from Washington, D.C. to Helena?

    The most popular flight routes from Washington, D.C. to Helena are Washington, D.C. Dulles Intl - Helena, Baltimore/Washington - Helena and Washington, D.C. Reagan-National - Helena.

  • Can I find deals for flights from Washington, D.C. to Helena that include hotel bookings?

    Yes. In addition to deals on Washington, D.C. to Helena flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Washington, D.C. to Helena?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Washington, D.C. to Helena.

  • Can I find deals for business class flights from Washington, D.C. to Helena?

    Yes. Cheapflights offers flight deals from Washington, D.C. 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 Washington, D.C. to Helena?

    Currently, June is the cheapest month in which you can book a flight from Washington, D.C. to Helena (average of $176). Flying from Washington, D.C. to Helena in March is currently the most expensive (average of $355). 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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Top airline flying from Washington, D.C. to Helena

Discover the top airline that operate flights from Washington, D.C. 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 December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$412Average$549FlexibilityNo cancel feeOn-time69%

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