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Helena

$139+ 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 3/10. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — HLN
mar 10 — mar 171
wt. 3/10
wt. 3/17
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 Luty 8, 2026.

This Alaska Airlines deal was found by Cheapflights users on 2/5. 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.
wt. 3/107:05 am
IAD
-
HLN
1 stop10h 54m
Alaska Airlines
wt. 3/316:22 pm
HLN
-
IAD
1 stop9h 18m
Alaska Airlines
Deal found 2/5$302
This Alaska Airlines deal was found by Cheapflights users on 2/7. 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.
czw. 3/127:05 am
IAD
-
HLN
1 stop10h 54m
Alaska Airlines
wt. 3/316:22 pm
HLN
-
IAD
1 stop9h 18m
Alaska Airlines
Deal found 2/7$338
This Alaska Airlines deal was found by Cheapflights users on 2/7. 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.
czw. 3/127:05 am
IAD
-
HLN
1 stop10h 54m
Alaska Airlines
pon. 3/306:22 pm
HLN
-
IAD
1 stop9h 18m
Alaska Airlines
Deal found 2/7$354
This Alaska Airlines deal was found by Cheapflights users on 2/5. 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.
wt. 3/107:05 am
IAD
-
HLN
1 stop10h 54m
Alaska Airlines
sob. 3/286:22 pm
HLN
-
IAD
1 stop9h 18m
Alaska Airlines
Deal found 2/5$358
This Delta deal was found by Cheapflights users on 2/6. 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.
sob. 2/2112:35 pm
IAD
-
HLN
2 stops11h 52m
Delta
śr. 2/251:10 pm
HLN
-
IAD
1 stop8h 36m
Delta
Deal found 2/6$364
This Alaska Airlines deal was found by Cheapflights users on 2/7. 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.
wt. 3/108:00 am
DCA
-
HLN
1 stop9h 59m
Alaska Airlines
wt. 3/316:22 pm
HLN
-
DCA
1 stop25h 37m
Alaska Airlines
Deal found 2/7$370
This Alaska Airlines deal was found by Cheapflights users on 2/5. 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.
ndz. 3/87:05 am
IAD
-
HLN
1 stop10h 54m
Alaska Airlines
wt. 3/316:22 pm
HLN
-
IAD
1 stop9h 18m
Alaska Airlines
Deal found 2/5$378
This Alaska Airlines deal was found by Cheapflights users on 2/5. 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.
wt. 3/108:00 am
DCA
-
HLN
1 stop9h 59m
Alaska Airlines
pon. 3/306:22 pm
HLN
-
DCA
1 stop25h 37m
Alaska Airlines
Deal found 2/5$380
This United Airlines deal was found by Cheapflights users on 2/6. 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.
sob. 2/212:12 pm
IAD
-
HLN
1 stop9h 04m
United Airlines
śr. 2/256:15 am
HLN
-
IAD
1 stop8h 32m
United Airlines
Deal found 2/6$380
This Alaska Airlines deal was found by Cheapflights users on 2/7. 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.
wt. 3/108:00 am
DCA
-
HLN
1 stop9h 59m
Alaska Airlines
śr. 4/16:22 pm
HLN
-
DCA
1 stop25h 37m
Alaska Airlines
Deal found 2/7$385
This United Airlines deal was found by Cheapflights users on 2/5. 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.
pt. 3/62:12 pm
IAD
-
HLN
1 stop9h 13m
United Airlines
wt. 3/102:30 pm
HLN
-
IAD
1 stop6h 50m
United Airlines
Deal found 2/5$388
This Alaska Airlines deal was found by Cheapflights users on 2/7. 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.
pon. 2/237:05 am
IAD
-
HLN
1 stop10h 54m
Alaska Airlines
pt. 2/274:36 pm
HLN
-
IAD
1 stop11h 04m
Alaska Airlines
Deal found 2/7$389

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 Luty 8, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$302
(Alaska Airlines)

One-way from

$139
(Alaska Airlines)

Popular in

November

Cheapest in

April

Average price

$439
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. 41% potential increase in price ($455 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 11% potential price decrease ($70 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
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 Luty 8, 2026.
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

wt. 3/10

7:05 am-3:59 pm

1 stop10h 54m

Helena

wt. 3/31

6:22 pm-5:40 am

1 stop9h 18m

$302

Washington, D.C.Helena

IAD - HLN

IADHLN

Washington, D.C. Dulles Intl

śr. 3/11

7:05 am-3:59 pm

1 stop10h 54m

Helena

wt. 3/31

6:22 pm-5:40 am

1 stop9h 18m

$322

Washington, D.C.Helena

IAD - HLN

IADHLN

Washington, D.C. Dulles Intl

czw. 3/12

7:05 am-3:59 pm

1 stop10h 54m

Helena

wt. 3/31

6:22 pm-5:40 am

1 stop9h 18m

$338

Washington, D.C.Helena

IAD - HLN

IADHLN

Washington, D.C. Dulles Intl

wt. 3/10

7:05 am-3:59 pm

1 stop10h 54m

Helena

pon. 3/30

6:22 pm-5:40 am

1 stop9h 18m

$338

Washington, D.C.Helena

IAD - HLN

IADHLN

Washington, D.C. Dulles Intl

czw. 3/12

7:05 am-3:59 pm

1 stop10h 54m

Helena

pon. 3/30

6:22 pm-5:40 am

1 stop9h 18m

$354

Washington, D.C.Helena

IAD - HLN

IADHLN

Washington, D.C. Dulles Intl

wt. 3/10

7:05 am-3:59 pm

1 stop10h 54m

Helena

sob. 3/28

6:22 pm-5:40 am

1 stop9h 18m

$358

Washington, D.C.Helena

DCA - HLN

DCAHLN

Washington, D.C. Reagan-National

wt. 3/10

8:00 am-3:59 pm

1 stop9h 59m

Helena

wt. 3/31

6:22 pm-9:59 pm

1 stop25h 37m

$370

Washington, D.C.Helena

IAD - HLN

IADHLN

Washington, D.C. Dulles Intl

ndz. 3/8

7:05 am-3:59 pm

1 stop10h 54m

Helena

wt. 3/31

6:22 pm-5:40 am

1 stop9h 18m

$378

Washington, D.C.Helena

IAD - HLN

IADHLN

Washington, D.C. Dulles Intl

pt. 3/13

7:05 am-3:59 pm

1 stop10h 54m

Helena

wt. 3/31

6:22 pm-5:40 am

1 stop9h 18m

$378

Washington, D.C.Helena

DCA - HLN

DCAHLN

Washington, D.C. Reagan-National

wt. 3/10

8:00 am-3:59 pm

1 stop9h 59m

Helena

pon. 3/30

6:22 pm-9:59 pm

1 stop25h 37m

$380

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/6

Showing 1-10 of 42 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 $323). 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 10h 54m. Alaska Airlines provides one of the quickest options available for as low as $302. There are 1812 mi between District of Columbia and Helena.

  • 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 $323). 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

Browse thousands of different options on Cheapflights for your next trip

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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 Luty 8, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$378Average$548FlexibilityNo cancel feeOn-time69%

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