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Helena

$220+ Cheap flights from Washington, D.C. (WAS) 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 7/15. Fares are subject to change and may not be available on all flights or dates of travel.
WAS — HLN
Jul 1 — Jul 81
Tue 7/1
Tue 7/8
1 adult, Economy
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Cheap flight deals from Washington, D.C. to Helena

Discover tips and strategies to find the most affordable flight options for your journey from Washington, D.C. (WAS) to Helena (HLN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated June 26, 2025.

Round-trip from

$367
(Delta)

One-way from

$220
(Delta)

Popular in

November

Cheapest in

April

Average price

$896
From Washington, D.C. (WAS) to Helena
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One-way flight from Washington, D.C. (WAS) to Helena
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Highest demand for flights based on searches. 1% potential increase in price ($6 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($41 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find flight deals from Washington, D.C. to Helena

Cheapest flights from Washington, D.C. to Helena
Explore the most affordable flight options available from Washington, D.C. to Helena. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 26, 2025.

This Delta deal was found by Cheapflights users on 6/26. 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 9/107:30 amIAD - HLN
1 stop6h 50mDelta
Wed 9/1712:50 pmHLN - IAD
1 stop8h 59mDelta
Deal found 6/26$367
This Delta deal was found by Cheapflights users on 6/24. 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 9/95:20 pmDCA - HLN
1 stop6h 53mDelta
Tue 9/165:40 amHLN - DCA
2 stops11h 38mDelta
Deal found 6/24$372
This Alaska Airlines deal was found by Cheapflights users on 6/26. 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 9/109:00 amIAD - HLN
1 stop8h 21mAlaska Airlines
Wed 9/174:02 pmHLN - IAD
2 stops22h 45mAlaska Airlines
Deal found 6/26$390
This Alaska Airlines deal was found by Cheapflights users on 6/24. 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 9/87:22 pmBWI - HLN
1 stop21h 59mAlaska Airlines
Tue 9/164:02 pmHLN - BWI
1 stop11h 31mAlaska Airlines
Deal found 6/24$402
This Alaska Airlines deal was found by Cheapflights users on 6/25. 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 9/108:00 amDCA - HLN
1 stop9h 21mAlaska Airlines
Tue 9/164:02 pmHLN - DCA
2 stops23h 57mAlaska Airlines
Deal found 6/25$402
This Delta deal was found by Cheapflights users on 6/24. 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 9/97:15 amBWI - HLN
1 stop7h 05mDelta
Tue 9/165:40 amHLN - BWI
2 stops11h 07mDelta
Deal found 6/24$457
This United Airlines deal was found by Cheapflights users on 6/23. 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.
Sat 10/410:25 amIAD - HLN
1 stop8h 15mUnited Airlines
Tue 10/72:44 pmHLN - IAD
1 stop6h 38mUnited Airlines
Deal found 6/23$481
This United Airlines deal was found by Cheapflights users on 6/25. 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.
Sat 7/1210:05 amBWI - HLN
1 stop8h 50mUnited Airlines
Thu 7/176:30 amHLN - BWI
1 stop6h 44mUnited Airlines
Deal found 6/25$611
This United Airlines deal was found by Cheapflights users on 6/25. 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 7/114:17 pmDCA - HLN
1 stop26h 38mUnited Airlines
Tue 7/155:39 pmHLN - DCA
1 stop19h 26mUnited Airlines
Deal found 6/25$685
This United deal was found by Cheapflights users on 6/25. 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 is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/156:15 amBWI - HLN
2 stops12h 40mMultiple Airlines
Fri 7/184:09 pmHLN - BWI
1 stop12h 12mMultiple Airlines
Deal found 6/25$922

Cheapflights Fare Finder

Customize your flight search to find flights from Washington, D.C. 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 June 26, 2025.
Use the filters below to find and compare flights from Washington, D.C. to Helena that are best for you.

Fly from

Washington, D.C.

Fly to

Helena

Route

Depart

Return

Price

Washington, D.C.Helena

IAD - HLN

IADHLN

Washington, D.C. Dulles Intl

Wed 9/10

7:30 am-12:20 pm

1 stop6h 50m

Helena

Wed 9/17

12:50 pm-11:49 pm

1 stop8h 59m

$367

Washington, D.C.Helena

DCA - HLN

DCAHLN

Washington, D.C. Reagan-National

Tue 9/9

5:20 pm-10:13 pm

1 stop6h 53m

Helena

Tue 9/16

5:40 am-7:18 pm

2 stops11h 38m

$372

Washington, D.C.Helena

IAD - HLN

IADHLN

Washington, D.C. Dulles Intl

Wed 9/10

9:00 am-3:21 pm

1 stop8h 21m

Helena

Wed 9/17

4:02 pm-4:47 pm

2 stops22h 45m

$390

BaltimoreHelena

BWI - HLN

BWIHLN

Baltimore/Washington

Mon 9/8

7:22 pm-3:21 pm

1 stop21h 59m

Helena

Wed 9/17

4:02 pm-5:33 am

1 stop11h 31m

$402

Washington, D.C.Helena

DCA - HLN

DCAHLN

Washington, D.C. Reagan-National

Wed 9/10

8:00 am-3:21 pm

1 stop9h 21m

Helena

Tue 9/16

4:02 pm-5:59 pm

2 stops23h 57m

$402

BaltimoreHelena

BWI - HLN

BWIHLN

Baltimore/Washington

Tue 9/9

7:15 am-12:20 pm

1 stop7h 05m

Helena

Tue 9/16

5:40 am-6:47 pm

2 stops11h 07m

$457

Washington, D.C.Helena

IAD - HLN

IADHLN

Washington, D.C. Dulles Intl

Wed 7/16

6:30 am-1:58 pm

1 stop9h 28m

Helena

Sat 7/19

2:34 pm-12:45 am

1 stop8h 11m

$529

BaltimoreHelena

BWI - HLN

BWIHLN

Baltimore/Washington

Sat 7/12

10:05 am-4:55 pm

1 stop8h 50m

Helena

Thu 7/17

6:30 am-3:14 pm

1 stop6h 44m

$611

Washington, D.C.Helena

DCA - HLN

DCAHLN

Washington, D.C. Reagan-National

Fri 7/11

4:17 pm-4:55 pm

1 stop26h 38m

Helena

Tue 7/15

5:39 pm-3:05 pm

1 stop19h 26m

$685

BaltimoreHelena

BWI - HLN

BWIHLN

Baltimore/Washington

Tue 7/15

6:15 am-4:55 pm

2 stops12h 40m

Helena

Fri 7/18

4:09 pm-6:21 am

1 stop12h 12m

$922

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/25

Showing 1-10 of 20 results
1
2

Best time to book a flight from Washington, D.C. to Helena

Have a flexible travel schedule? Discover the best time to fly to Helena from Washington, D.C. 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 Washington, D.C. to Helena

What is the cheapest month to book a flight from Washington, D.C. to Helena?

Currently, February is the cheapest month in which you can book a flight from Washington, D.C. to Helena (average of $353). Flying from Washington, D.C. to Helena in July is currently the most expensive (average of $553). 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.

Reviews of airlines servicing Helena

Get insights into the airlines that provide service to Helena. 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 Helena. Reviews last updated June 26, 2025.
Read through reviews of airlines operating flights from Washington, D.C. to Helena, such as Alaska Airlines, Delta, and Hawaiian Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Boarding

8.1

Crew

8.5

Overall

8.0

Comfort

7.8

Food

7.1

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

Entertainment

7.1

Boarding

8.1

Crew

8.5

Overall

8.0

Comfort

7.8

Food

7.1

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
7,963 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Boarding

8.1

Crew

8.5

Overall

8.0

Comfort

7.8

Food

7.1

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
2,522 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Boarding

8.1

Crew

8.5

Overall

8.0

Comfort

7.8

Food

7.1

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
8,838 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Boarding

8.1

Crew

8.5

Overall

8.0

Comfort

7.8

Food

7.1

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 Washington, D.C. 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 Washington, D.C.?

    For a flight from Washington, D.C. to Helena, you will be flying into Helena. Helena (HLN) is just 2.7 mi from the center of the city. Helena is the only Helena airport and it handles 0 inbound flights from Washington, D.C. per day. 1 airline has flights to Helena from Washington, D.C. on a regular basis.

  • What are the cheapest airlines flying from Washington, D.C. to Helena round-trip?

    Our cheapest airline available from Washington, D.C. to Helena is Delta. Our recent data shows that you can find tickets from as low as $367 on this airline. Additional options worth looking into are Alaska Airlines and United Airlines, starting at $390 and $529 round-trip. Delta is currently priced 44% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from Washington, D.C. to Helena one-way?

    One-way options have recently been found by users for as low as $220 on Delta. Other airlines that offer cheap prices include Alaska Airlines from $229 and United Airlines from $298 one-way.

  • What are the most popular routes from Washington, D.C. to Helena?

    The most popular flight routes from Washington, D.C. to Helena are Washington, D.C. Dulles Intl - Helena, Washington, D.C. Reagan-National - Helena and Baltimore/Washington - Helena.

  • Can I find deals for flights from Washington, D.C. to Helena that include hotel bookings?

    Yes. In addition to deals on Washington, D.C. to Helena flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Washington, D.C. to Helena?

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

  • Can I find deals for business class flights from Washington, D.C. to Helena?

    Yes. Cheapflights offers flight deals from Washington, D.C. 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 Washington, D.C. to Helena?

    Currently, February is the cheapest month in which you can book a flight from Washington, D.C. to Helena (average of $353). Flying from Washington, D.C. to Helena in July is currently the most expensive (average of $553). 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 Washington, D.C. to Helena

Discover the top airline that operate flights from Washington, D.C. 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 June 26, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$412Average$698FlexibilityNo cancel feeOn-time69%

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