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Helena

$254+ Cheap flights from District of Columbia to Helena (HLN)

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 1/15. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — HLN
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
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 18, 2025.

This United Airlines deal was found by Cheapflights users on 12/17. 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.
Mon 12/294:17 pmDCA - HLN
1 stop7h 14mUnited Airlines
Thu 1/16:10 amHLN - DCA
1 stop6h 49mUnited Airlines
Deal found 12/17$769
This United Airlines deal was found by Cheapflights users on 12/16. 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 12/302:24 pmIAD - HLN
1 stop9h 07mUnited Airlines
Sun 1/46:10 amHLN - IAD
1 stop21h 09mUnited Airlines
Deal found 12/16$784
This United Airlines deal was found by Cheapflights users on 12/17. 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.
Mon 12/296:20 amIAD - HLN
1 stop9h 25mUnited Airlines
Thu 1/16:10 amHLN - IAD
1 stop7h 24mUnited Airlines
Deal found 12/17$810
This United Airlines deal was found by Cheapflights users on 12/16. 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 12/244:00 pmIAD - HLN
1 stop7h 31mUnited Airlines
Sun 1/46:10 amHLN - IAD
1 stop21h 09mUnited Airlines
Deal found 12/16$833
This United Airlines deal was found by Cheapflights users on 12/16. 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 12/259:00 amIAD - HLN
2 stops14h 31mUnited Airlines
Sun 1/46:10 amHLN - IAD
1 stop21h 09mUnited Airlines
Deal found 12/16$872
This United Airlines deal was found by Cheapflights users on 12/17. 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.
Mon 12/296:20 amIAD - HLN
1 stop9h 25mUnited Airlines
Sat 1/32:26 pmHLN - IAD
1 stop12h 53mUnited Airlines
Deal found 12/17$881
This United Airlines deal was found by Cheapflights users on 12/14. 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 12/304:17 pmDCA - HLN
1 stop7h 14mUnited Airlines
Sat 1/32:26 pmHLN - DCA
1 stop22h 33mUnited Airlines
Deal found 12/14$892
This United Airlines deal was found by Cheapflights users on 12/16. 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 12/268:20 amIAD - HLN
1 stop7h 25mUnited Airlines
Sun 1/46:10 amHLN - IAD
1 stop21h 09mUnited Airlines
Deal found 12/16$894
This United Airlines deal was found by Cheapflights users on 12/16. 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 12/304:17 pmDCA - HLN
1 stop7h 14mUnited Airlines
Sun 1/46:10 amHLN - DCA
1 stop6h 49mUnited Airlines
Deal found 12/16$923
This United Airlines deal was found by Cheapflights users on 12/16. 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 12/244:17 pmDCA - HLN
1 stop7h 14mUnited Airlines
Sun 1/46:10 amHLN - DCA
1 stop6h 49mUnited Airlines
Deal found 12/16$972
This United Airlines deal was found by Cheapflights users on 12/16. 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 12/2510:30 amDCA - HLN
2 stops13h 01mUnited Airlines
Sun 1/46:10 amHLN - DCA
1 stop6h 49mUnited Airlines
Deal found 12/16$982
This United Airlines deal was found by Cheapflights users on 12/14. 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 12/264:17 pmDCA - HLN
1 stop7h 14mUnited Airlines
Sat 1/32:26 pmHLN - DCA
1 stop22h 33mUnited Airlines
Deal found 12/14$1,002

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 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$345
(Hawaiian Airlines)

One-way from

$254
(United 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
Search Deals
One-way flight from District of Columbia to Helena
Search Deals

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 18, 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

IAD - HLN

IADHLN

Washington, D.C. Dulles Intl

Mon 1/12

6:04 pm-6:11 pm

1 stop26h 07m

Helena

Tue 1/20

6:48 pm-4:26 pm

1 stop19h 38m

$345

Washington, D.C.Helena

DCA - HLN

DCAHLN

Washington, D.C. Reagan-National

Wed 1/21

8:00 am-6:11 pm

1 stop12h 11m

Helena

Mon 1/26

6:48 pm-4:09 pm

1 stop19h 21m

$354

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

$354

Washington, D.C.Helena

IAD - HLN

IADHLN

Washington, D.C. Dulles Intl

Mon 1/12

7:30 am-12:27 pm

2 stops30h 57m

Helena

Tue 1/20

1:10 pm-11:10 pm

2 stops32h 00m

$357

Washington, D.C.Helena

IAD - HLN

IADHLN

Washington, D.C. Dulles Intl

Wed 1/21

6:04 pm-6:11 pm

1 stop26h 07m

Helena

Mon 1/26

6:48 pm-4:26 pm

1 stop19h 38m

$364

Washington, D.C.Helena

DCA - HLN

DCAHLN

Washington, D.C. Reagan-National

Sat 1/10

5:10 pm-10:29 pm

1 stop7h 19m

Helena

Tue 1/13

5:30 am-4:00 pm

1 stop8h 30m

$389

Washington, D.C.Helena

IAD - HLN

IADHLN

Washington, D.C. Dulles Intl

Wed 1/21

4:11 pm-9:26 pm

1 stop7h 15m

Helena

Sun 1/25

2:27 pm-11:22 pm

1 stop6h 55m

$438

Washington, D.C.Helena

IAD - HLN

IADHLN

Washington, D.C. Dulles Intl

Wed 1/21

6:04 pm-6:11 pm

1 stop26h 07m

Helena

Sun 1/25

6:48 pm-4:26 pm

1 stop19h 38m

$448

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

$458

Washington, D.C.Helena

DCA - HLN

DCAHLN

Washington, D.C. Reagan-National

Wed 1/21

8:00 am-6:11 pm

1 stop12h 11m

Helena

Sun 1/25

6:48 pm-9:59 pm

1 stop25h 11m

$473

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

Showing 1-10 of 20 results
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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 12h 11m. Hawaiian Airlines provides one of the quickest options available for as low as $354. There are 1835 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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Alternative routes for District of Columbia to Helena

See prices for flight routes from nearby airports that may be better suited for you.
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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 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$408Average$612FlexibilityNo cancel feeOn-time69%

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