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District of Columbia

$267+ Cheap flights from Helena (HLN) to District of Columbia

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 9/13. Fares are subject to change and may not be available on all flights or dates of travel.
HLN — IAD
Aug 22 — Aug 291
Fri 8/22
Fri 8/29
1 adult, Economy
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Cheap flight deals from Helena to District of Columbia

Keep the following information in mind while searching for Helena to District of Columbia flight deals. Data was last updated August 17, 2025.

Round-trip from

$462
(Alaska Airlines)

One-way from

$267
(Delta)

Popular in

November

Cheapest in

July

Average price

$674
From Helena to District of Columbia
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One-way flight from Helena to District of Columbia
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Highest demand for flights based on searches. 27% potential increase in price ($254 potential increase over avg. RT price).
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Cheapest flight prices on average. 14% potential price decrease ($87 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find flight deals from Helena to District of Columbia

Cheapest flights from Helena to District of Columbia
Explore the most affordable flight options available from Helena to District of Columbia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on August 17, 2025.

This Alaska Airlines deal was found by Cheapflights users on 8/16. 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.
Wed 12/106:28 pmHLN - IAD
1 stop20h 08mAlaska Airlines
Sat 12/137:35 amIAD - HLN
1 stop12h 16mAlaska Airlines
Deal found 8/16$462
This Alaska Airlines deal was found by Cheapflights users on 8/15. 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.
Mon 9/224:02 pmHLN - IAD
1 stop30h 21mAlaska Airlines
Wed 9/247:00 amIAD - HLN
1 stop10h 21mAlaska Airlines
Deal found 8/15$496
This Delta deal was found by Cheapflights users on 8/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/61:00 pmHLN - IAD
1 stop8h 33mDelta
Sun 11/97:20 amIAD - HLN
1 stop7h 04mDelta
Deal found 8/17$499
This Alaska Airlines deal was found by Cheapflights users on 8/16. 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.
Wed 12/106:28 pmHLN - DCA
1 stop19h 40mAlaska Airlines
Sat 12/135:00 pmDCA - HLN
1 stop26h 51mAlaska Airlines
Deal found 8/16$503
This Delta deal was found by Cheapflights users on 8/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/2612:50 pmHLN - IAD
1 stop8h 59mDelta
Fri 11/287:20 amIAD - HLN
1 stop7h 04mDelta
Deal found 8/16$517
This Delta deal was found by Cheapflights users on 8/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/255:40 amHLN - IAD
2 stops10h 16mDelta
Fri 11/287:20 amIAD - HLN
1 stop7h 04mDelta
Deal found 8/17$522
This Alaska Airlines deal was found by Cheapflights users on 8/16. 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.
Thu 9/184:02 pmHLN - IAD
1 stop30h 21mAlaska Airlines
Tue 9/236:09 pmIAD - HLN
1 stop23h 12mAlaska Airlines
Deal found 8/16$533
This Delta deal was found by Cheapflights users on 8/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/265:40 amHLN - DCA
2 stops10h 20mDelta
Fri 11/283:10 pmDCA - HLN
2 stops9h 27mDelta
Deal found 8/17$549
This Delta deal was found by Cheapflights users on 8/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/1012:50 pmHLN - IAD
1 stop8h 59mDelta
Sat 12/137:00 amIAD - HLN
2 stops17h 37mDelta
Deal found 8/15$564
This Alaska Airlines deal was found by Cheapflights users on 8/15. 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.
Mon 9/224:02 pmHLN - DCA
1 stop22h 47mAlaska Airlines
Wed 9/248:00 amDCA - HLN
1 stop9h 21mAlaska Airlines
Deal found 8/15$586
This Delta deal was found by Cheapflights users on 8/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/105:40 amHLN - DCA
1 stop8h 39mDelta
Sat 12/136:00 amDCA - HLN
2 stops18h 37mDelta
Deal found 8/16$588
This Alaska Airlines deal was found by Cheapflights users on 8/16. 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.
Tue 11/256:59 pmHLN - DCA
1 stop25h 00mAlaska Airlines
Fri 11/288:00 amDCA - HLN
1 stop12h 22mAlaska Airlines
Deal found 8/16$604

Cheapflights Fare Finder

 
Customize your flight search to find flights from Helena to District of Columbia 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 August 17, 2025.
Use the filters below to find and compare flights from Helena to District of Columbia that are best for you.

Fly from

Helena

Fly to

District of Columbia

Route

Depart

Return

Price

HelenaWashington, D.C.

HLN - IAD

HLNIAD

Helena

Wed 12/10

6:28 pm-4:36 pm

1 stop20h 08m

Washington, D.C. Dulles Intl

Sat 12/13

7:35 am-5:51 pm

1 stop12h 16m

$462

HelenaWashington, D.C.

HLN - IAD

HLNIAD

Helena

Mon 9/22

4:02 pm-12:23 am

1 stop30h 21m

Washington, D.C. Dulles Intl

Wed 9/24

7:00 am-3:21 pm

1 stop10h 21m

$496

HelenaWashington, D.C.

HLN - IAD

HLNIAD

Helena

Thu 11/6

1:00 pm-11:33 pm

1 stop8h 33m

Washington, D.C. Dulles Intl

Sun 11/9

7:20 am-12:24 pm

1 stop7h 04m

$499

HelenaWashington, D.C.

HLN - DCA

HLNDCA

Helena

Wed 12/10

6:28 pm-4:08 pm

1 stop19h 40m

Washington, D.C. Reagan-National

Sat 12/13

5:00 pm-5:51 pm

1 stop26h 51m

$503

HelenaWashington, D.C.

HLN - IAD

HLNIAD

Helena

Wed 11/26

12:50 pm-11:49 pm

1 stop8h 59m

Washington, D.C. Dulles Intl

Fri 11/28

7:20 am-12:24 pm

1 stop7h 04m

$517

HelenaWashington, D.C.

HLN - IAD

HLNIAD

Helena

Tue 11/25

5:40 am-5:56 pm

2 stops10h 16m

Washington, D.C. Dulles Intl

Fri 11/28

7:20 am-12:24 pm

1 stop7h 04m

$522

HelenaWashington, D.C.

HLN - IAD

HLNIAD

Helena

Thu 9/18

4:02 pm-12:23 am

1 stop30h 21m

Washington, D.C. Dulles Intl

Tue 9/23

6:09 pm-3:21 pm

1 stop23h 12m

$533

HelenaWashington, D.C.

HLN - DCA

HLNDCA

Helena

Wed 11/26

5:40 am-6:00 pm

2 stops10h 20m

Washington, D.C. Reagan-National

Fri 11/28

3:10 pm-10:37 pm

2 stops9h 27m

$549

HelenaWashington, D.C.

HLN - DCA

HLNDCA

Helena

Mon 9/22

4:02 pm-4:49 pm

1 stop22h 47m

Washington, D.C. Reagan-National

Wed 9/24

8:00 am-3:21 pm

1 stop9h 21m

$586

HelenaWashington, D.C.

HLN - DCA

HLNDCA

Helena

Wed 12/10

5:40 am-4:19 pm

1 stop8h 39m

Washington, D.C. Reagan-National

Sat 12/13

6:00 am-10:37 pm

2 stops18h 37m

$588

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/17

Showing 1-10 of 13 results
1
2

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

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

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

Currently, July is the cheapest month in which you can book a flight from Helena to District of Columbia (average of $302). Flying from Helena to District of Columbia in April is currently the most expensive (average of $337). 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.

What is the cheapest time of day to fly from HLN to DC?

Find hourly flight availability from Helena to District of Columbia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 17, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Helena to District of Columbia as you normally would.

Reviews of airlines servicing District of Columbia

Get insights into the airlines that provide service to District of Columbia. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to District of Columbia. Reviews last updated August 17, 2025.
See what other customers who have flown with Delta and United Airlines from Helena to District of Columbia have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,981 reviews

Crew

8.5

Boarding

8.2

Food

7.3

Entertainment

7.9

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,981 reviews
Delta
8.0
Very good
7,981 reviews

Crew

8.5

Boarding

8.2

Food

7.3

Entertainment

7.9

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,925 reviews
Delta
8.0
Very good
7,981 reviews

Crew

8.5

Boarding

8.2

Food

7.3

Entertainment

7.9

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from Helena to District of Columbia. 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 from for flights from Helena to District of Columbia?

    If you book a flight to District of Columbia from Helena, you will be flying from Helena, which is the city’s only airport. Helena (HLN) is located 2.7 mi from the center of Helena.

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

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

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

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

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

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

    Currently, July is the cheapest month in which you can book a flight from Helena to District of Columbia (average of $302). Flying from Helena to District of Columbia in April is currently the most expensive (average of $337). 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 2 airlines flying from Helena to District of Columbia

Discover the top 2 airlines that operate flights from Helena to District of Columbia. 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 August 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$256Average$873FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$344Average$434FlexibilityNo cancel feeOn-time69%

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