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Helena

$237+ 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 2/13. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — HLN
Dec 3 — Dec 101
Wed 12/3
Wed 12/10
1 adult, Economy
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Find 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 November 3, 2025.

This Delta deal was found by Cheapflights users on 11/3. 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 11/2712:36 pmIAD - HLN
2 stops11h 54mDelta
Wed 12/31:06 pmHLN - IAD
2 stops9h 06mDelta
Deal found 11/3$518
This Delta deal was found by Cheapflights users on 11/3. 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 11/2712:36 pmIAD - HLN
2 stops11h 54mDelta
Tue 12/21:06 pmHLN - IAD
1 stop8h 23mDelta
Deal found 11/3$524
This Delta deal was found by Cheapflights users on 11/3. 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 11/257:10 amIAD - HLN
1 stop17h 20mDelta
Wed 12/31:06 pmHLN - IAD
2 stops9h 06mDelta
Deal found 11/3$532
This Delta deal was found by Cheapflights users on 11/3. 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 11/257:10 amIAD - HLN
1 stop17h 20mDelta
Tue 12/21:06 pmHLN - IAD
1 stop8h 23mDelta
Deal found 11/3$538
This Delta deal was found by Cheapflights users on 11/3. 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 11/256:00 amIAD - HLN
2 stops18h 30mDelta
Thu 11/275:30 amHLN - IAD
2 stops10h 56mDelta
Deal found 11/3$548
This Delta deal was found by Cheapflights users on 11/3. 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 11/267:10 amIAD - HLN
1 stop17h 20mDelta
Wed 12/31:06 pmHLN - IAD
2 stops9h 06mDelta
Deal found 11/3$557
This Delta deal was found by Cheapflights users on 11/3. 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 11/267:10 amIAD - HLN
1 stop17h 20mDelta
Tue 12/21:06 pmHLN - IAD
1 stop8h 23mDelta
Deal found 11/3$563
This Delta deal was found by Cheapflights users on 11/3. 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 11/267:10 amIAD - HLN
1 stop17h 20mDelta
Thu 11/275:30 amHLN - IAD
2 stops10h 56mDelta
Deal found 11/3$568
This United Airlines deal was found by Cheapflights users on 11/3. 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 11/275:15 pmIAD - HLN
2 stops22h 12mUnited Airlines
Wed 12/36:30 amHLN - IAD
1 stop14h 45mUnited Airlines
Deal found 11/3$581
This Delta deal was found by Cheapflights users on 11/2. 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.
Sun 11/165:10 pmDCA - HLN
1 stop21h 16mDelta
Sun 11/235:30 amHLN - DCA
1 stop8h 30mDelta
Deal found 11/2$603
This Delta deal was found by Cheapflights users on 11/1. 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 11/158:59 amDCA - HLN
2 stops15h 31mDelta
Sun 11/235:30 amHLN - DCA
2 stops12h 11mDelta
Deal found 11/1$613
This Delta deal was found by Cheapflights users on 11/3. 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.
Mon 11/179:34 amDCA - HLN
2 stops14h 56mDelta
Mon 11/241:06 pmHLN - DCA
2 stops8h 35mDelta
Deal found 11/3$648

Cheap 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 November 3, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$382
(Alaska Airlines)

One-way from

$237
(Alaska Airlines)

Popular in

November

Cheapest in

April

Average price

$1,283
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
Highest demand for flights based on searches. 16% potential increase in price ($127 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 10% potential price decrease ($62 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
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 November 3, 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

Wed 2/11

8:00 am-5:22 pm

1 stop11h 22m

Helena

Tue 2/17

4:10 pm-9:55 pm

1 stop27h 45m

$382

Washington, D.C.Helena

DCA - HLN

DCAHLN

Washington, D.C. Reagan-National

Sat 1/17

8:00 am-5:22 pm

1 stop11h 22m

Helena

Wed 1/21

5:59 pm-4:09 pm

1 stop20h 10m

$382

Washington, D.C.Helena

DCA - HLN

DCAHLN

Washington, D.C. Reagan-National

Wed 2/11

8:00 am-5:22 pm

1 stop11h 22m

Helena

Mon 2/16

4:10 pm-9:55 pm

1 stop27h 45m

$422

Washington, D.C.Helena

DCA - HLN

DCAHLN

Washington, D.C. Reagan-National

Thu 2/12

8:00 am-3:43 pm

1 stop9h 43m

Helena

Wed 2/18

4:10 pm-4:15 pm

1 stop22h 05m

$512

Washington, D.C.Helena

DCA - HLN

DCAHLN

Washington, D.C. Reagan-National

Sat 4/25

5:00 pm-10:34 pm

1 stop7h 34m

Helena

Wed 4/29

12:50 pm-9:13 am

2 stops18h 23m

$523

Washington, D.C.Helena

IAD - HLN

IADHLN

Washington, D.C. Dulles Intl

Tue 11/25

7:10 am-10:30 pm

1 stop17h 20m

Helena

Wed 12/3

1:06 pm-12:12 am

2 stops9h 06m

$532

Washington, D.C.Helena

DCA - HLN

DCAHLN

Washington, D.C. Reagan-National

Fri 2/13

5:30 pm-3:43 pm

1 stop24h 13m

Helena

Tue 2/17

4:10 pm-9:55 pm

1 stop27h 45m

$537

Washington, D.C.Helena

DCA - HLN

DCAHLN

Washington, D.C. Reagan-National

Fri 2/13

5:30 pm-3:43 pm

1 stop24h 13m

Helena

Mon 2/16

4:10 pm-9:55 pm

1 stop27h 45m

$577

Washington, D.C.Helena

DCA - HLN

DCAHLN

Washington, D.C. Reagan-National

Wed 2/11

6:05 am-10:29 pm

2 stops18h 24m

Helena

Wed 2/18

5:30 am-6:59 pm

2 stops11h 29m

$592

Washington, D.C.Helena

IAD - HLN

IADHLN

Washington, D.C. Dulles Intl

Mon 11/17

7:10 am-10:30 pm

1 stop17h 20m

Helena

Mon 11/24

1:06 pm-11:58 pm

1 stop8h 52m

$603

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/2

Showing 1-10 of 26 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 $180). Flying from District of Columbia to Helena in March is currently the most expensive (average of $358). 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 7h 34m. Alaska Airlines provides one of the quickest options available for as low as $523. 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 $180). Flying from District of Columbia to Helena in March is currently the most expensive (average of $358). 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

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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 November 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$408Average$674FlexibilityNo cancel feeOn-time69%

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