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District of Columbia

$195+ 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 1/7. Fares are subject to change and may not be available on all flights or dates of travel.
HLN — IAD
Jan 2 — Jan 91
Fri 1/2
Fri 1/9
1 adult, Economy
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Cheap flight deals from Helena to District of Columbia

Best flights from Helena to District of Columbia
Discover carefully curated flight deals from Helena to District of Columbia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 3, 2025.

This Alaska Airlines deal was found by Cheapflights users on 12/2. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/216:48 pmHLN - IAD
1 stop19h 38mAlaska Airlines
Sat 1/246:04 pmIAD - HLN
1 stop26h 07mAlaska Airlines
Deal found 12/2$314
This Delta deal was found by Cheapflights users on 12/2. 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.
Mon 1/125:30 amHLN - IAD
2 stops15h 40mDelta
Tue 1/207:30 amIAD - HLN
2 stops30h 57mDelta
Deal found 12/2$322
This Delta deal was found by Cheapflights users on 12/2. 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.
Mon 1/121:10 pmHLN - DCA
2 stops24h 10mDelta
Tue 1/204:44 pmDCA - HLN
2 stops21h 43mDelta
Deal found 12/2$322
This Alaska Airlines deal was found by Cheapflights users on 12/2. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/146:48 pmHLN - DCA
1 stop19h 21mAlaska Airlines
Sat 1/178:00 amDCA - HLN
1 stop12h 11mAlaska Airlines
Deal found 12/2$349
This Delta deal was found by Cheapflights users on 12/1. 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.
Wed 1/211:10 pmHLN - IAD
2 stops32h 00mDelta
Sat 1/247:30 amIAD - HLN
2 stops30h 57mDelta
Deal found 12/1$341
This Alaska Airlines deal was found by Cheapflights users on 12/2. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/126:48 pmHLN - IAD
1 stop19h 38mAlaska Airlines
Tue 1/206:04 pmIAD - HLN
1 stop26h 07mAlaska Airlines
Deal found 12/2$354
This Delta deal was found by Cheapflights users on 12/1. 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.
Wed 1/141:10 pmHLN - DCA
2 stops24h 10mDelta
Sat 1/174:44 pmDCA - HLN
2 stops21h 43mDelta
Deal found 12/1$341
This Alaska Airlines deal was found by Cheapflights users on 12/2. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/126:48 pmHLN - DCA
1 stop25h 11mAlaska Airlines
Tue 1/205:01 pmDCA - HLN
1 stop27h 10mAlaska Airlines
Deal found 12/2$354
This Delta deal was found by Cheapflights users on 12/1. 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 1/101:10 pmHLN - IAD
1 stop8h 38mDelta
Wed 1/147:05 amIAD - HLN
1 stop7h 22mDelta
Deal found 12/1$389
This Kiwi.com deal was found by Cheapflights users on 12/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/86:48 pmHLN - DCA
1 stop19h 21mAlaska Airlines
Mon 1/125:01 pmDCA - HLN
1 stop27h 10mAlaska Airlines
Deal found 12/2$403
This Alaska Airlines deal was found by Cheapflights users on 12/3. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 1/116:48 pmHLN - DCA
2 stops24h 12mAlaska Airlines
Wed 1/145:01 pmDCA - HLN
1 stop27h 10mAlaska Airlines
Deal found 12/3$432

Find 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 December 3, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$314
(Alaska Airlines)

One-way from

$195
(Delta)
Provider with most accurate pricing for Helena-Washington, D.C. (WAS) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Helena-Washington, D.C. (WAS) flights.
Search Deals
From Helena to District of Columbia
Search Deals
One-way flight from Helena to District of Columbia
Search Deals

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 December 3, 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 1/21

6:48 pm-4:26 pm

1 stop19h 38m

Washington, D.C. Dulles Intl

Sat 1/24

6:04 pm-6:11 pm

1 stop26h 07m

$314

HelenaWashington, D.C.

HLN - IAD

HLNIAD

Helena

Mon 1/12

5:30 am-11:10 pm

2 stops15h 40m

Washington, D.C. Dulles Intl

Tue 1/20

7:30 am-12:27 pm

2 stops30h 57m

$322

HelenaWashington, D.C.

HLN - DCA

HLNDCA

Helena

Mon 1/12

1:10 pm-3:20 pm

2 stops24h 10m

Washington, D.C. Reagan-National

Tue 1/20

4:44 pm-12:27 pm

2 stops21h 43m

$322

HelenaWashington, D.C.

HLN - IAD

HLNIAD

Helena

Wed 1/21

1:10 pm-11:10 pm

2 stops32h 00m

Washington, D.C. Dulles Intl

Sat 1/24

7:30 am-12:27 pm

2 stops30h 57m

$341

HelenaWashington, D.C.

HLN - DCA

HLNDCA

Helena

Wed 1/14

1:10 pm-3:20 pm

2 stops24h 10m

Washington, D.C. Reagan-National

Sat 1/17

4:44 pm-12:27 pm

2 stops21h 43m

$341

HelenaWashington, D.C.

HLN - DCA

HLNDCA

Helena

Wed 1/14

6:48 pm-4:09 pm

1 stop19h 21m

Washington, D.C. Reagan-National

Sat 1/17

8:00 am-6:11 pm

1 stop12h 11m

$349

HelenaWashington, D.C.

HLN - IAD

HLNIAD

Helena

Mon 1/12

6:48 pm-4:26 pm

1 stop19h 38m

Washington, D.C. Dulles Intl

Tue 1/20

6:04 pm-6:11 pm

1 stop26h 07m

$354

HelenaWashington, D.C.

HLN - DCA

HLNDCA

Helena

Mon 1/12

6:48 pm-9:59 pm

1 stop25h 11m

Washington, D.C. Reagan-National

Tue 1/20

5:01 pm-6:11 pm

1 stop27h 10m

$354

HelenaWashington, D.C.

HLN - IAD

HLNIAD

Helena

Sat 1/10

1:10 pm-11:48 pm

1 stop8h 38m

Washington, D.C. Dulles Intl

Wed 1/14

7:05 am-12:27 pm

1 stop7h 22m

$389

HelenaWashington, D.C.

HLN - DCA

HLNDCA

Helena

Thu 1/8

6:48 pm-4:09 pm

1 stop19h 21m

Washington, D.C. Reagan-National

Mon 1/12

5:01 pm-6:11 pm

1 stop27h 10m

$403

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/1

Showing 1-10 of 26 results
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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, April is the cheapest month in which you can book a flight from Helena to District of Columbia (average of $169). Flying from Helena to District of Columbia in July is currently the most expensive (average of $302). 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 December 3, 2025.

It’s optimal to fly from Helena to District of Columbia in the evening. By choosing this option you can save up to 47% on the cost of your flight, compared to a flight in the morning.

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.

  • How long is the flight from Helena to District of Columbia?

    Departing from Helena to District of Columbia will take you 15h 40m. The distance between Helena and District of Columbia is about 1812 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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, April is the cheapest month in which you can book a flight from Helena to District of Columbia (average of $169). Flying from Helena to District of Columbia in July is currently the most expensive (average of $302). 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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