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Helena

$364+ Cheap flights from District of Columbia 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.
IAD — HLN
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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Cheap flight deals from District of Columbia to Helena

Cheapest flights from District of Columbia to Helena
Explore the most affordable flight options available from District of Columbia 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

Find flight deals from District of Columbia to Helena

Keep the following information in mind while searching for District of Columbia to Helena flight deals. Data was 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 District of Columbia to Helena
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Cheapflights Fare Finder

 
Customize your flight search to find flights from District of Columbia 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 District of Columbia to Helena that are best for you.

Fly from

District of Columbia

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

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

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

Washington, D.C.Helena

DCA - HLN

DCAHLN

Washington, D.C. Reagan-National

Sat 1/31

4:11 pm-9:26 pm

1 stop7h 15m

Helena

Wed 2/4

6:45 am-1:49 pm

3 stops29h 04m

$592

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/8

Best time to book a flight from District of Columbia to Helena

Have a flexible travel schedule? Discover the best time to fly to Helena from District of Columbia 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 District of Columbia to Helena

What is the cheapest month to book a flight from District of Columbia to Helena?

Currently, June is the cheapest month in which you can book a flight from District of Columbia to Helena (average of $176). Flying from District of Columbia 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.

Related info for your journey

Find useful and relevant information for your journey from District of Columbia 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 District of Columbia?

    For a flight from District of Columbia to Helena, you will be flying into Helena. Helena (HLN) is just 2.7 mi from the center of the city.

  • How long is the flight from District of Columbia to Helena?

    A quick flight from District of Columbia to Helena can take about 9h 13m. Alaska Airlines provides one of the quickest options available for as low as $487. There are 1812 mi between District of Columbia and Helena. This flight may include one or multiple stops.

  • Can I find deals for flights from District of Columbia to Helena that include hotel bookings?

    Yes. In addition to deals on District of Columbia to Helena flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from District of Columbia to Helena?

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

  • Can I find deals for business class flights from District of Columbia to Helena?

    Yes. Cheapflights offers flight deals from District of Columbia 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 District of Columbia to Helena?

    Currently, June is the cheapest month in which you can book a flight from District of Columbia to Helena (average of $176). Flying from District of Columbia 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 District of Columbia to Helena

Discover the top airline that operate flights from District of Columbia 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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