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 Alaska Airlines. Our recent data shows that you can find tickets from as low as $579 on this airline. Additional options worth looking into are United Airlines and Delta, starting at $684 and $941 round-trip. Alaska Airlines is currently priced 19% 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 $181 on Delta. Other airlines that offer cheap prices include Alaska Airlines from $196 and United Airlines from $256 one-way.

What is the cheapest day to fly from Washington, D.C. to Helena?

Travelers seeking maximum savings on their Washington, D.C. to Helena flight should consider departing on Tuesday mornings when fares are most often at their lowest. Saturday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

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

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

What is the cheapest day to fly round-trip from Washington, D.C. to Helena?

Users have found that flying from Washington, D.C. to Helena on a Thursday typically leans towards higher prices. However, this doesn’t mean you still can’t find a deal. Flexibility with other aspects of your flight can still land a great price for your trip.

What is the cheapest month to fly from Washington, D.C. to Helena?

Our data shows that April tends to be the cheapest month to fly to Helena from Washington, D.C.. Users have commonly found prices around $716 for the month, but tickets can be as low as $394. Due to multiple factors, prepare for potentially higher prices in November.

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

It’s typically best to fly out from Washington, D.C. to Helena in the morning. Doing so could potentially save you 9% on the flight price compared to flying at noon, which is usually more expensive.

Most accurate provider : When it comes to deals on Washington, D.C.-Helena flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C.-Helena flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C.-Helena flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Washington, D.C.-Helena flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C.-Helena flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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.

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.

$181+ Save on Flights from Washington, D.C. to Helena

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Cheap flight deals from Washington, D.C. to Helena

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Round-trip from	$579 (Alaska Airlines)
One-way from	$181 (Delta)
Popular in	November
Cheapest in	April

Provider with most accurate pricing for Washington, D.C. (WAS)-Helena flight deals.

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Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Helena flights.

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From Washington, D.C. (WAS) to Helena

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One-way flight from Washington, D.C. (WAS) to Helena

Search Deals

High demand for flights, 6% potential price rise

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Cheapest flight prices on average. 5% potential price decrease ($35 potential savings vs. average RT price).

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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 March 25, 2025.

Thu 7/3110:05 amBWI - HLN

1 stop8h 50mUnited Airlines

Mon 8/45:39 pmHLN - BWI

1 stop9h 45mUnited Airlines

Deal found 3/23

$569

Thu 5/86:59 pmIAD - HLN

2 stops25h 50mAlaska Airlines

Sun 5/117:29 pmHLN - IAD

1 stop26h 54mAlaska Airlines

Deal found 3/24

$579

Wed 4/167:03 pmBWI - HLN

1 stop22h 36mAlaska Airlines

Mon 4/214:19 pmHLN - BWI

1 stop11h 27mAlaska Airlines

Deal found 3/24

$603

Sat 7/1210:34 pmIAD - HLN

1 stop24h 41mUnited Airlines

Sun 7/205:39 pmHLN - IAD

1 stop15h 48mUnited Airlines

Deal found 3/24

$685

Sun 11/237:20 amBWI - HLN

1 stop7h 15mDelta

Fri 11/281:03 pmHLN - BWI

2 stops9h 14mDelta

Deal found 3/23

$844

Mon 3/315:10 pmDCA - HLN

1 stop7h 27mDelta

Thu 4/35:45 amHLN - DCA

1 stop8h 15mDelta

Deal found 3/24

$909

Mon 3/317:35 amIAD - HLN

1 stop7h 00mDelta

Wed 4/21:15 pmHLN - IAD

1 stop8h 34mDelta

Deal found 3/24

$909

Sun 11/2310:45 amBWI - HLN

2 stops12h 14mMultiple Airlines

Sat 11/294:10 pmHLN - BWI

1 stop11h 35mMultiple Airlines

Deal found 3/23

$1,136

Sat 7/124:17 pmDCA - HLN

1 stop6h 58mUnited Airlines

Sun 7/206:45 amHLN - DCA

1 stop6h 20mUnited Airlines

Deal found 3/24

$1,173

Thu 5/88:00 amDCA - HLN

1 stop12h 49mAlaska Airlines

Sun 5/117:29 pmHLN - DCA

1 stop19h 09mAlaska Airlines

Deal found 3/24

$3,874

Best flights from Washington, D.C. to Helena
Discover carefully curated flight deals from Washington, D.C. to Helena that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated March 25, 2025.

Thu 5/86:59 pmIAD - HLN

2 stops25h 50mAlaska Airlines

Sun 5/117:29 pmHLN - IAD

1 stop26h 54mAlaska Airlines

Deal found 3/24

$579

Sat 7/126:15 amBWI - HLN

2 stops12h 40mUnited Airlines

Sun 7/205:39 pmHLN - BWI

1 stop27h 38mUnited Airlines

Deal found 3/24

$684

Sat 7/1212:00 pmBWI - HLN

2 stops12h 33mDelta

Sun 7/205:45 amHLN - BWI

2 stops11h 01mDelta

Deal found 3/24

$941

Wed 4/167:03 pmBWI - HLN

1 stop22h 36mAlaska Airlines

Mon 4/214:19 pmHLN - BWI

1 stop11h 27mAlaska Airlines

Deal found 3/24

$603

Sat 7/1210:34 pmIAD - HLN

1 stop24h 41mUnited Airlines

Sun 7/205:39 pmHLN - IAD

1 stop15h 48mUnited Airlines

Deal found 3/24

$685

Thu 6/126:50 amBWI - HLN

3 stops16h 25mMultiple Airlines

Mon 6/164:08 pmHLN - BWI

2 stops11h 12mMultiple Airlines

Deal found 3/24

$1,525

Sat 7/1212:59 pmDCA - HLN

2 stops11h 34mDelta

Sun 7/205:45 amHLN - DCA

2 stops10h 19mDelta

Deal found 3/24

$1,078

Sat 7/124:17 pmDCA - HLN

1 stop6h 58mUnited Airlines

Sun 7/206:45 amHLN - DCA

1 stop6h 20mUnited Airlines

Deal found 3/24

$1,173

Thu 5/87:30 amIAD - HLN

1 stop6h 51mDelta

Sun 5/111:01 pmHLN - IAD

1 stop8h 27mDelta

Deal found 3/24

$1,729

Thu 5/88:00 amDCA - HLN

1 stop12h 49mAlaska Airlines

Sun 5/117:29 pmHLN - DCA

1 stop19h 09mAlaska Airlines

Deal found 3/24

$3,874

Last-minute flights from Washington, D.C. to Helena
Discover last-minute flight deals from Washington, D.C. to Helena. Data last updated March 25, 2025 and is based on user searches.

Fri 3/2812:55 pmIAD - HLN

2 stops26h 45mUnited Airlines

Tue 4/16:45 amHLN - IAD

1 stop28h 44mUnited Airlines

Deal found 3/23

$901

Mon 3/315:10 pmDCA - HLN

1 stop7h 27mDelta

Thu 4/35:45 amHLN - DCA

1 stop8h 15mDelta

Deal found 3/24

$909

Mon 3/317:35 amIAD - HLN

1 stop7h 00mDelta

Wed 4/21:15 pmHLN - IAD

1 stop8h 34mDelta

Deal found 3/24

$909

Mon 3/318:00 amBWI - HLN

1 stop7h 30mUnited Airlines

Thu 4/36:45 amHLN - BWI

1 stop6h 20mUnited Airlines

Deal found 3/24

$919

Mon 3/3112:00 pmBWI - HLN

2 stops12h 37mDelta

Thu 4/31:15 pmHLN - BWI

2 stops9h 21mDelta

Deal found 3/24

$929

Mon 3/318:00 amBWI - HLN

1 stop7h 30mUnited Airlines

Wed 4/22:12 pmHLN - BWI

1 stop7h 18mUnited Airlines

Deal found 3/24

$919

Wed 4/167:03 pmBWI - HLN

1 stop22h 36mAlaska Airlines

Mon 4/214:19 pmHLN - BWI

1 stop11h 27mAlaska Airlines

Deal found 3/24

$603

One-way flights from Washington, D.C. to Helena
Search for one-way flight options from Washington, D.C. to Helena. Find affordable one-way fares based on user searches. Data last updated March 25, 2025.

Tue 4/227:05 amBWI - HLN

1 stop7h 33mDelta

Deal found 3/24

$181

Tue 4/225:38 pmDCA - HLN

1 stop27h 11mAlaska Airlines

Deal found 3/24

$196

Tue 4/227:13 pmIAD - HLN

1 stop25h 36mAlaska Airlines

Deal found 3/24

$196

Tue 4/224:00 pmIAD - HLN

1 stop7h 25mUnited Airlines

Deal found 3/24

$256

Tue 4/224:07 pmBWI - HLN

1 stop7h 18mUnited Airlines

Deal found 3/24

$261

Mon 6/167:35 amIAD - HLN

1 stop7h 03mDelta

Deal found 3/24

$290

Tue 4/224:15 pmDCA - HLN

1 stop7h 10mUnited Airlines

Deal found 3/24

$301

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington, D.C. to Helena that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BaltimoreHelena

BWI - HLN

BWIHLN

Baltimore/Washington

Thu 7/31

10:05 am-4:55 pm

1 stop8h 50m

Helena

Mon 8/4

5:39 pm-5:24 am

1 stop9h 45m

$569

Washington, D.C.Helena

IAD - HLN

IADHLN

Washington, D.C. Dulles Intl

Thu 5/8

6:59 pm-6:49 pm

2 stops25h 50m

Helena

Sun 5/11

7:29 pm-12:23 am

1 stop26h 54m

$579

BaltimoreHelena

BWI - HLN

BWIHLN

Baltimore/Washington

Wed 4/16

7:03 pm-3:39 pm

1 stop22h 36m

Helena

Mon 4/21

4:19 pm-5:46 am

1 stop11h 27m

$603

Washington, D.C.Helena

IAD - HLN

IADHLN

Washington, D.C. Dulles Intl

Sat 7/12

10:34 pm-9:15 pm

1 stop24h 41m

Helena

Sun 7/20

5:39 pm-11:27 am

1 stop15h 48m

$685

BaltimoreHelena

BWI - HLN

BWIHLN

Baltimore/Washington

Sat 7/12

12:00 pm-10:33 pm

2 stops12h 33m

Helena

Sun 7/20

5:45 am-6:46 pm

2 stops11h 01m

$941

Washington, D.C.Helena

DCA - HLN

DCAHLN

Washington, D.C. Reagan-National

Sat 7/12

12:59 pm-10:33 pm

2 stops11h 34m

Helena

Sun 7/20

5:45 am-6:04 pm

2 stops10h 19m

$1,078

Washington, D.C.Helena

DCA - HLN

DCAHLN

Washington, D.C. Reagan-National

Sat 7/12

4:17 pm-9:15 pm

1 stop6h 58m

Helena

Sun 7/20

6:45 am-3:05 pm

1 stop6h 20m

$1,173

BaltimoreHelena

BWI - HLN

BWIHLN

Baltimore/Washington

Thu 6/12

6:50 am-9:15 pm

3 stops16h 25m

Helena

Mon 6/16

4:08 pm-5:20 am

2 stops11h 12m

$1,525

Washington, D.C.Helena

IAD - HLN

IADHLN

Washington, D.C. Dulles Intl

Thu 5/8

7:30 am-12:21 pm

1 stop6h 51m

Helena

Sun 5/11

1:01 pm-11:28 pm

1 stop8h 27m

$1,729

Washington, D.C.Helena

DCA - HLN

DCAHLN

Washington, D.C. Reagan-National

Thu 5/8

8:00 am-6:49 pm

1 stop12h 49m

Helena

Sun 5/11

7:29 pm-4:38 pm

1 stop19h 09m

$3,874

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/24

Showing 1-10 of 17 results

Compare providers for flights from Washington, D.C. to Helena

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Washington, D.C. to Helena in March.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy1 star	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Washington, D.C.-Helena flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C.-Helena flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C.-Helena flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Washington, D.C.-Helena flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C.-Helena flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 $622). 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.

Rainfall in Helena by month

In terms of precipitation, rainfall in Helena ranges from 0.3 - 2.1 inches per month. June is typically the wettest month, when rainfall can reach 2.1 in. February is typically the driest time to visit Helena when rainfall is around 0.3 in.

Temperature in Helena by month

If weather is an important factor for your trip to Helena, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 69.8 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 21.2 F).

Reviews of airlines servicing Helena

Peruse reviews from past customers who have flown with Alaska Airlines, Delta and United Airlines from Washington, D.C. to Helena to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Alaska Airlines

8.0

Very good

9,785 reviews

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Alaska Airlines

8.0

Very good

9,785 reviews

Alaska Airlines

8.0

Very good

9,785 reviews

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Delta

8.0

Very good

7,890 reviews

Alaska Airlines

8.0

Very good

9,785 reviews

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

United Airlines

7.4

Good

8,605 reviews

Alaska Airlines

8.0

Very good

9,785 reviews

Reviews

1 / 20

10.0

Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

Related info for your journey

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 Alaska Airlines. Our recent data shows that you can find tickets from as low as $579 on this airline. Additional options worth looking into are United Airlines and Delta, starting at $684 and $941 round-trip. Alaska Airlines is currently priced 19% 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 $181 on Delta. Other airlines that offer cheap prices include Alaska Airlines from $196 and United Airlines from $256 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 Baltimore/Washington - Helena, Washington, D.C. Dulles Intl - Helena and Washington, D.C. Reagan-National - 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 $622). 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

Top airline flying from Washington, D.C. to Helena

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$436	Average$703	FlexibilityNo cancel fee	On-time69%

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$181+ 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 4/22. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from Washington, D.C. to Helena with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheap flight deals from Washington, D.C. to Helena

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Round-trip from

One-way from

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Cheapest in

Find flight deals from Washington, D.C. to Helena

Cheapest flights from Washington, D.C. to HelenaExplore 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 March 25, 2025.

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 March 25, 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Washington, D.C. to Helena that are best for you.

Compare providers for flights from Washington, D.C. to Helena

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Washington, D.C. to Helena in March.

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.

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?

Rainfall in Helena by month

Plan your trip to Helena by taking into account the average rainfall totals by month.

Temperature in Helena by month

Plan your trip to Helena by taking into account the average temperature totals by month.

Reviews of airlines servicing Helena

Peruse reviews from past customers who have flown with Alaska Airlines, Delta and United Airlines from Washington, D.C. to Helena to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

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.?

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

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

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

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

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

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

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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Washington, D.C. to Helena

See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from Washington, D.C. to Helena

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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 March 25, 2025.