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District of Columbia

$239+ 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 8/27. Fares are subject to change and may not be available on all flights or dates of travel.
HLN — IAD
Jul 7 — Jul 141
Mon 7/7
Mon 7/14
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 July 2, 2025.

Round-trip from

$387
(Delta)

One-way from

$239
(Delta)

Popular in

November

Cheapest in

April

Average price

$478
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. 24% potential increase in price ($226 potential increase over avg. RT price).
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Cheapest flight prices on average. 12% potential price decrease ($76 potential savings vs. average RT price).
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Average for round-trip flights in July 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 July 2, 2025.

This Delta deal was found by Cheapflights users on 6/29. 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 8/261:00 pmHLN - IAD
1 stop8h 32mDelta
Wed 9/37:30 amIAD - HLN
1 stop6h 50mDelta
Deal found 6/29$387
This Alaska Airlines deal was found by Cheapflights users on 7/1. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/224:02 pmHLN - DCA
2 stops26h 57mAlaska Airlines
Thu 9/258:00 amDCA - HLN
1 stop9h 21mAlaska Airlines
Deal found 7/1$496
This United Airlines deal was found by Cheapflights users on 7/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/312:22 pmHLN - IAD
1 stop6h 53mUnited Airlines
Sat 11/222:25 pmIAD - HLN
1 stop8h 57mUnited Airlines
Deal found 7/1$499
This Alaska Airlines deal was found by Cheapflights users on 7/1. 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 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 stop23h 07mAlaska Airlines
Thu 9/257:00 amIAD - HLN
1 stop10h 21mAlaska Airlines
Deal found 7/1$510
This Hawaiian Airlines deal was found by Cheapflights users on 7/1. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/104:10 pmHLN - IAD
1 stop11h 45mHawaiian Airlines
Sat 12/137:00 amIAD - HLN
1 stop10h 43mHawaiian Airlines
Deal found 7/1$540
This United Airlines deal was found by Cheapflights users on 6/29. 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.
Wed 12/102:30 pmHLN - DCA
1 stop22h 26mUnited Airlines
Sat 12/134:07 pmDCA - HLN
1 stop23h 28mUnited Airlines
Deal found 6/29$552
This Delta deal was found by Cheapflights users on 7/1. 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 12/105:40 amHLN - DCA
2 stops13h 34mDelta
Sat 12/136:00 amDCA - HLN
2 stops18h 37mDelta
Deal found 7/1$590

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 July 2, 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

Tue 8/26

1:00 pm-11:32 pm

1 stop8h 32m

Washington, D.C. Dulles Intl

Wed 9/3

7:30 am-12:20 pm

1 stop6h 50m

$387

HelenaWashington, D.C.

HLN - DCA

HLNDCA

Helena

Mon 9/22

4:02 pm-8:59 pm

2 stops26h 57m

Washington, D.C. Reagan-National

Thu 9/25

8:00 am-3:21 pm

1 stop9h 21m

$496

HelenaWashington, D.C.

HLN - IAD

HLNIAD

Helena

Fri 10/31

2:22 pm-11:15 pm

1 stop6h 53m

Washington, D.C. Dulles Intl

Sat 11/22

2:25 pm-9:22 pm

1 stop8h 57m

$499

HelenaWashington, D.C.

HLN - IAD

HLNIAD

Helena

Mon 9/22

4:02 pm-5:09 pm

1 stop23h 07m

Washington, D.C. Dulles Intl

Thu 9/25

7:00 am-3:21 pm

1 stop10h 21m

$510

HelenaWashington, D.C.

HLN - IAD

HLNIAD

Helena

Wed 12/10

4:10 pm-5:55 am

1 stop11h 45m

Washington, D.C. Dulles Intl

Sat 12/13

7:00 am-3:43 pm

1 stop10h 43m

$540

HelenaWashington, D.C.

HLN - DCA

HLNDCA

Helena

Wed 12/10

2:30 pm-2:56 pm

1 stop22h 26m

Washington, D.C. Reagan-National

Sat 12/13

4:07 pm-1:35 pm

1 stop23h 28m

$552

HelenaWashington, D.C.

HLN - DCA

HLNDCA

Helena

Wed 12/10

5:40 am-9:14 pm

2 stops13h 34m

Washington, D.C. Reagan-National

Sat 12/13

6:00 am-10:37 pm

2 stops18h 37m

$590

HelenaWashington, D.C.

HLN - IAD

HLNIAD

Helena

Wed 8/27

1:00 pm-11:32 pm

1 stop8h 32m

$239

HelenaWashington, D.C.

HLN - DCA

HLNDCA

Helena

Wed 8/27

5:50 am-6:56 pm

2 stops11h 06m

$244

HelenaWashington, D.C.

HLN - DCA

HLNDCA

Helena

Wed 8/27

4:02 pm-4:49 pm

1 stop22h 47m

$267

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/1

Showing 1-10 of 12 results
1
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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, August is the cheapest month in which you can book a flight from Helena to District of Columbia (average of $309). Flying from Helena to District of Columbia in July is currently the most expensive (average of $345). 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 July 2, 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 July 2, 2025.
See what other customers who have flown with Alaska Airlines, Delta, and Hawaiian 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.
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Food

7.1

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Food

7.1

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,975 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Food

7.1

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.8
Good
2,542 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Food

7.1

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,861 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Comfort

7.8

Boarding

8.1

Food

7.1

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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.

  • What are the cheapest airlines to fly from Helena to District of Columbia one-way?

    The cheapest airlines for a one-way flight from Helena to District of Columbia are Delta ($239), Alaska Airlines ($267), and United Airlines ($413).

  • 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, August is the cheapest month in which you can book a flight from Helena to District of Columbia (average of $309). Flying from Helena to District of Columbia in July is currently the most expensive (average of $345). 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 July 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$256Average$828FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$344Average$434FlexibilityNo cancel feeOn-time69%

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