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Helena

$390+ 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 10/29. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — HLN
oct. 16 — oct. 231
jue. 10/16
jue. 10/23
1 adult, Economy
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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 septiembre 16, 2025.

Round-trip from

$390
(SmartFares)

Popular in

November

Cheapest in

April

Average price

$564
From District of Columbia to Helena
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($74 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($42 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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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 septiembre 16, 2025.

This SmartFares deal was found by Cheapflights users on 9/14. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/297:43 amIAD - HLN
1 stop11h 53mHawaiian Airlines
mié. 11/56:13 pmHLN - IAD
1 stop10h 10mHawaiian Airlines
Deal found 9/14$390
This Alaska Airlines deal was found by Cheapflights users on 9/15. 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.
vie. 10/177:41 pmIAD - HLN
1 stop24h 00mAlaska Airlines
mar. 10/216:18 pmHLN - IAD
1 stop28h 05mAlaska Airlines
Deal found 9/15$422
This Alaska Airlines deal was found by Cheapflights users on 9/14. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/295:40 pmIAD - HLN
2 stops25h 56mAlaska Airlines
mié. 11/56:13 pmHLN - IAD
1 stop10h 10mAlaska Airlines
Deal found 9/14$463
This Trip.com deal was found by Cheapflights users on 9/14. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/298:00 amDCA - HLN
1 stop11h 36mAlaska Airlines
mié. 11/56:13 pmHLN - DCA
1 stop25h 46mAlaska Airlines
Deal found 9/14$515
This Alaska Airlines deal was found by Cheapflights users on 9/16. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 10/178:00 amDCA - HLN
1 stop11h 41mAlaska Airlines
mar. 10/216:18 pmHLN - DCA
1 stop25h 41mAlaska Airlines
Deal found 9/16$572
This Alaska Airlines deal was found by Cheapflights users on 9/14. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 11/237:38 amIAD - HLN
1 stop13h 14mAlaska Airlines
lun. 12/17:32 pmHLN - IAD
1 stop19h 04mAlaska Airlines
Deal found 9/14$573
This Alaska Airlines deal was found by Cheapflights users on 9/15. 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.
jue. 10/95:03 pmDCA - HLN
1 stop26h 38mAlaska Airlines
mar. 10/146:18 pmHLN - DCA
1 stop25h 41mAlaska Airlines
Deal found 9/15$582
This Alaska Airlines deal was found by Cheapflights users on 9/14. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 11/237:38 amIAD - HLN
1 stop13h 14mAlaska Airlines
vie. 11/287:32 pmHLN - IAD
1 stop8h 46mAlaska Airlines
Deal found 9/14$603
This United Airlines deal was found by Cheapflights users on 9/14. 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.
mié. 10/2910:23 pmIAD - HLN
2 stops17h 04mUnited Airlines
mié. 11/52:22 pmHLN - IAD
2 stops15h 05mUnited Airlines
Deal found 9/14$608
This Trip.com deal was found by Cheapflights users on 9/13. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 10/36:09 pmIAD - HLN
1 stop25h 32mHawaiian Airlines
dom. 10/196:18 pmHLN - IAD
1 stop28h 05mHawaiian Airlines
Deal found 9/13$611
This United Airlines deal was found by Cheapflights users on 9/15. 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.
mar. 9/3010:09 pmIAD - HLN
1 stop18h 00mUnited Airlines
sáb. 10/45:18 pmHLN - IAD
1 stop10h 04mUnited Airlines
Deal found 9/15$645
This United Airlines deal was found by Cheapflights users on 9/15. 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.
jue. 10/96:25 amDCA - HLN
2 stops12h 15mUnited Airlines
mar. 10/145:18 pmHLN - DCA
2 stops13h 03mUnited Airlines
Deal found 9/15$656

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 septiembre 16, 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

vie. 10/17

7:41 pm-5:41 pm

1 stop24h 00m

Helena

mar. 10/21

6:18 pm-12:23 am

1 stop28h 05m

$422

Washington, D.C.Helena

IAD - HLN

IADHLN

Washington, D.C. Dulles Intl

mié. 10/29

5:40 pm-5:36 pm

2 stops25h 56m

Helena

mié. 11/5

6:13 pm-6:23 am

1 stop10h 10m

$463

Washington, D.C.Helena

DCA - HLN

DCAHLN

Washington, D.C. Reagan-National

mié. 10/29

8:00 am-5:36 pm

1 stop11h 36m

Helena

mié. 11/5

6:13 pm-9:59 pm

1 stop25h 46m

$515

Washington, D.C.Helena

DCA - HLN

DCAHLN

Washington, D.C. Reagan-National

sáb. 2/14

5:30 pm-3:43 pm

1 stop24h 13m

Helena

vie. 2/20

4:10 pm-9:55 pm

1 stop27h 45m

$568

Washington, D.C.Helena

DCA - HLN

DCAHLN

Washington, D.C. Reagan-National

vie. 10/17

8:00 am-5:41 pm

1 stop11h 41m

Helena

mar. 10/21

6:18 pm-9:59 pm

1 stop25h 41m

$572

Washington, D.C.Helena

IAD - HLN

IADHLN

Washington, D.C. Dulles Intl

dom. 11/23

7:38 am-6:52 pm

1 stop13h 14m

Helena

lun. 12/1

7:32 pm-4:36 pm

1 stop19h 04m

$573

Washington, D.C.Helena

IAD - HLN

IADHLN

Washington, D.C. Dulles Intl

sáb. 2/14

5:51 pm-3:43 pm

2 stops23h 52m

Helena

vie. 2/20

4:10 pm-5:55 pm

1 stop23h 45m

$588

Washington, D.C.Helena

IAD - HLN

IADHLN

Washington, D.C. Dulles Intl

dom. 11/23

7:38 am-6:52 pm

1 stop13h 14m

Helena

vie. 11/28

7:32 pm-6:18 am

1 stop8h 46m

$603

Washington, D.C.Helena

IAD - HLN

IADHLN

Washington, D.C. Dulles Intl

mié. 10/29

10:23 pm-1:27 pm

2 stops17h 04m

Helena

mié. 11/5

2:22 pm-7:27 am

2 stops15h 05m

$608

Washington, D.C.Helena

DCA - HLN

DCAHLN

Washington, D.C. Reagan-National

jue. 10/9

6:25 am-4:40 pm

2 stops12h 15m

Helena

mar. 10/14

5:18 pm-8:21 am

2 stops13h 03m

$656

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Showing 1-10 of 12 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, February is the cheapest month in which you can book a flight from District of Columbia to Helena (average of $353). Flying from District of Columbia to Helena in May is currently the most expensive (average of $517). 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 24h. Alaska Airlines provides one of the quickest options available for as low as $422. 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, February is the cheapest month in which you can book a flight from District of Columbia to Helena (average of $353). Flying from District of Columbia to Helena in May is currently the most expensive (average of $517). 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 septiembre 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$412Average$698FlexibilityNo cancel feeOn-time69%

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