How long does it take to fly to Helena?

On average, it takes 5h 44m to fly from Washington, D.C. to Helena if you fly out of Washington, D.C. (the most popular airport in Washington, D.C.) and into Bozeman (the most popular airport in Helena). If you’re flying out of Baltimore and into Bozeman, then the flight time is around 6h 57m.

What airlines fly to Helena?

United Airlines, Delta and American Airlines are the top three most popular airlines that fly to Helena from Washington, D.C. according to our data. United Airlines is the first choice among our users, with 55% of people opting to fly with this airline when traveling to Helena. Keep in mind that there are 5 different airlines that fly to Helena on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Washington, D.C. to Helena?

United Airlines and Alaska Airlines are the most popular carriers operating from Washington, D.C. to Helena

When did momondo last update prices for flights from Washington, D.C. to Helena Airport?

Prices for flights from Washington, D.C. to Helena Airport refresh daily.

How old do you have to be to fly from Washington, D.C. to Helena Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Washington, D.C. to Helena Airport.

What documentation or ID do you need to fly to Helena Airport?

The required travel and health documents for your Helena Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Helena Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$309 Cheap Flights from Washington, D.C. to Helena in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Washington, D.C. to Helena

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:00 am - 12:30 pmIAD Washington, D.C. Dulles Intl-HLN Helena

7h 30m1 stop Salt Lake City

1:10 pm - 11:47 pmHLN Helena-IAD Washington, D.C. Dulles Intl

8h 37m1 stop Salt Lake City

$399Delta

Thu, Dec 10 - Sun, Dec 13

7:00 am - 12:30 pmIAD Washington, D.C. Dulles Intl-HLN Helena

7h 30m1 stop Salt Lake City

1:10 pm - 12:41 amHLN Helena-IAD Washington, D.C. Dulles Intl

9h 31m2 stops Salt Lake City Atlanta Hartsfield-Jackson

$404Delta

Thu, Dec 10 - Sun, Dec 13

2:10 pm - 9:26 pmIAD Washington, D.C. Dulles Intl-HLN Helena

9h 16m1 stop Denver Intl

6:20 am - 5:19 pmHLN Helena-IAD Washington, D.C. Dulles Intl

8h 59m1 stop Denver Intl

$409United Airlines

Wed, Dec 2 - Sat, Dec 5

7:00 am - 12:30 pmIAD Washington, D.C. Dulles Intl-HLN Helena

7h 30m1 stop Salt Lake City

1:10 pm - 12:41 amHLN Helena-IAD Washington, D.C. Dulles Intl

9h 31m2 stops Salt Lake City Atlanta Hartsfield-Jackson

$414Delta

Thu, Dec 10 - Sun, Dec 13

7:00 am - 4:12 pmIAD Washington, D.C. Dulles Intl-HLN Helena

11h 12m1 stop Seattle/Tacoma Intl

4:49 pm - 5:35 amHLN Helena-IAD Washington, D.C. Dulles Intl

10h 46m1 stop Seattle/Tacoma Intl

$429Alaska Airlines

Fri, Dec 11 - Mon, Dec 14

7:00 am - 12:30 pmIAD Washington, D.C. Dulles Intl-HLN Helena

7h 30m1 stop Salt Lake City

1:10 pm - 11:36 pmHLN Helena-IAD Washington, D.C. Dulles Intl

8h 26m2 stops Salt Lake City Minneapolis St Paul

$449Delta

Wed, Dec 2 - Sat, Dec 5

8:15 am - 1:40 pmIAD Washington, D.C. Dulles Intl-HLN Helena

7h 25m1 stop Denver Intl

2:27 pm - 11:26 pmHLN Helena-IAD Washington, D.C. Dulles Intl

6h 59m1 stop Denver Intl

$459United Airlines

Thu, Jan 14 - Tue, Jan 19

5:18 pm - 4:12 pmIAD Washington, D.C. Dulles Intl-HLN Helena

24h 54m1 stop Seattle/Tacoma Intl

4:49 pm - 5:35 amHLN Helena-IAD Washington, D.C. Dulles Intl

10h 46m1 stop Seattle/Tacoma Intl

$461Alaska Airlines

Thu, Dec 10 - Sun, Dec 13

6:00 am - 10:26 pmIAD Washington, D.C. Dulles Intl-HLN Helena

18h 26m2 stops Atlanta Hartsfield-Jackson Salt Lake City

1:12 pm - 11:31 pmHLN Helena-IAD Washington, D.C. Dulles Intl

8h 19m1 stop Salt Lake City

$473Delta

Thu, Dec 31 - Wed, Jan 6

7:00 am - 10:26 pmDCA Washington, D.C. Reagan-National-HLN Helena

17h 26m2 stops Atlanta Hartsfield-Jackson Salt Lake City

7:10 am - 5:58 pmHLN Helena-DCA Washington, D.C. Reagan-National

8h 48m2 stops Salt Lake City Cincinnati Cinci./N. Kentucky

$478Delta

Thu, Dec 31 - Wed, Jan 6

Cheap last minute flights

Enter your travel dates to find the best prices.

7:00 am - 12:27 pmIAD Washington, D.C. Dulles Intl-HLN Helena

7h 27m1 stop Salt Lake City

1:07 pm - 11:47 pmHLN Helena-IAD Washington, D.C. Dulles Intl

8h 40m1 stop Salt Lake City

$524Delta

Thu, Nov 12 - Sun, Nov 22

3:00 pm - 10:26 pmIAD Washington, D.C. Dulles Intl-HLN Helena

9h 26m2 stops Atlanta Hartsfield-Jackson Salt Lake City

1:07 pm - 11:47 pmHLN Helena-IAD Washington, D.C. Dulles Intl

8h 40m1 stop Salt Lake City

$529Delta

Thu, Nov 12 - Sun, Nov 22

3:00 pm - 10:26 pmIAD Washington, D.C. Dulles Intl-HLN Helena

9h 26m2 stops Atlanta Hartsfield-Jackson Salt Lake City

1:07 pm - 12:41 amHLN Helena-IAD Washington, D.C. Dulles Intl

9h 34m2 stops Salt Lake City Atlanta Hartsfield-Jackson

$534Delta

Thu, Nov 12 - Sun, Nov 22

7:00 am - 12:27 pmIAD Washington, D.C. Dulles Intl-HLN Helena

7h 27m1 stop Salt Lake City

1:07 pm - 11:47 pmHLN Helena-IAD Washington, D.C. Dulles Intl

8h 40m1 stop Salt Lake City

$559Delta

Mon, Nov 9 - Sun, Nov 22

3:00 pm - 10:26 pmIAD Washington, D.C. Dulles Intl-HLN Helena

9h 26m2 stops Atlanta Hartsfield-Jackson Salt Lake City

1:07 pm - 11:47 pmHLN Helena-IAD Washington, D.C. Dulles Intl

8h 40m1 stop Salt Lake City

$564Delta

Mon, Nov 9 - Sun, Nov 22

7:00 am - 12:27 pmIAD Washington, D.C. Dulles Intl-HLN Helena

7h 27m1 stop Salt Lake City

1:07 pm - 11:47 pmHLN Helena-IAD Washington, D.C. Dulles Intl

8h 40m1 stop Salt Lake City

$569Delta

Thu, Nov 12 - Wed, Nov 18

3:00 pm - 10:26 pmIAD Washington, D.C. Dulles Intl-HLN Helena

9h 26m2 stops Atlanta Hartsfield-Jackson Salt Lake City

1:07 pm - 11:47 pmHLN Helena-IAD Washington, D.C. Dulles Intl

8h 40m1 stop Salt Lake City

$574Delta

Thu, Nov 12 - Wed, Nov 18

3:00 pm - 10:26 pmIAD Washington, D.C. Dulles Intl-HLN Helena

9h 26m2 stops Atlanta Hartsfield-Jackson Salt Lake City

1:07 pm - 12:41 amHLN Helena-IAD Washington, D.C. Dulles Intl

9h 34m2 stops Salt Lake City Atlanta Hartsfield-Jackson

$579Delta

Thu, Nov 12 - Wed, Nov 18

7:00 am - 12:27 pmIAD Washington, D.C. Dulles Intl-HLN Helena

7h 27m1 stop Salt Lake City

1:07 pm - 11:47 pmHLN Helena-IAD Washington, D.C. Dulles Intl

8h 40m1 stop Salt Lake City

$604Delta

Mon, Nov 9 - Tue, Nov 17

3:00 pm - 10:26 pmIAD Washington, D.C. Dulles Intl-HLN Helena

9h 26m2 stops Atlanta Hartsfield-Jackson Salt Lake City

1:07 pm - 11:47 pmHLN Helena-IAD Washington, D.C. Dulles Intl

8h 40m1 stop Salt Lake City

$609Delta

Mon, Nov 9 - Tue, Nov 17

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United Airlines flights from Washington, D.C. to Helena

Our best United Airlines deals on Washington, D.C. to Helena flight tickets

United Airlines

Dec 2

IAD2:10 pmWashington, D.C. Dulles Intl

9h 16m

1 stop

HLN9:26 pmHelena

Dec 5

HLN6:20 amHelena

8h 59m

1 stop

IAD5:19 pmWashington, D.C. Dulles Intl

$409

United Airlines

Jan 14

IAD8:15 amWashington, D.C. Dulles Intl

7h 25m

1 stop

HLN1:40 pmHelena

Jan 19

HLN2:27 pmHelena

6h 59m

1 stop

IAD11:26 pmWashington, D.C. Dulles Intl

$459

United Airlines

Nov 20

IAD6:10 amWashington, D.C. Dulles Intl

9h 30m

1 stop

HLN1:40 pmHelena

Nov 24

HLN2:23 pmHelena

6h 52m

1 stop

IAD11:15 pmWashington, D.C. Dulles Intl

$479

Delta flights from Washington, D.C. to Helena

Our best Delta deals on Washington, D.C. to Helena flight tickets

Delta

Dec 10

IAD7:00 amWashington, D.C. Dulles Intl

7h 30m

1 stop

HLN12:30 pmHelena

Dec 13

HLN1:10 pmHelena

8h 37m

1 stop

IAD11:47 pmWashington, D.C. Dulles Intl

$399

Delta

Dec 10

IAD7:00 amWashington, D.C. Dulles Intl

7h 30m

1 stop

HLN12:30 pmHelena

Dec 13

HLN1:10 pmHelena

9h 31m

2 stops

IAD12:41 amWashington, D.C. Dulles Intl

$404

Delta

Dec 10

IAD7:00 amWashington, D.C. Dulles Intl

7h 30m

1 stop

HLN12:30 pmHelena

Dec 13

HLN1:10 pmHelena

9h 31m

2 stops

IAD12:41 amWashington, D.C. Dulles Intl

$414

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Helena

IAD Washington, D.C. Dulles Intl - HLN Helena

IADHLN

Washington, D.C. Dulles Intl

Thu 12/10

7:00 am-12:30 pm

1 stop7h 30m

Helena

Sun 12/13

1:10 pm-11:47 pm

1 stop8h 37m

$399

Washington, D.C.Helena

IAD Washington, D.C. Dulles Intl - HLN Helena

IADHLN

Washington, D.C. Dulles Intl

Thu 12/10

7:00 am-12:30 pm

1 stop7h 30m

Helena

Sun 12/13

1:10 pm-12:41 am

2 stops9h 31m

$404

Washington, D.C.Helena

IAD Washington, D.C. Dulles Intl - HLN Helena

IADHLN

Washington, D.C. Dulles Intl

Wed 12/2

2:10 pm-9:26 pm

1 stop9h 16m

Helena

Sat 12/5

6:20 am-5:19 pm

1 stop8h 59m

$409

Washington, D.C.Helena

IAD Washington, D.C. Dulles Intl - HLN Helena

IADHLN

Washington, D.C. Dulles Intl

Thu 12/10

7:00 am-12:30 pm

1 stop7h 30m

Helena

Sun 12/13

1:10 pm-12:41 am

2 stops9h 31m

$414

Washington, D.C.Helena

IAD Washington, D.C. Dulles Intl - HLN Helena

IADHLN

Washington, D.C. Dulles Intl

Fri 12/11

7:00 am-4:12 pm

1 stop11h 12m

Helena

Mon 12/14

4:49 pm-5:35 am

1 stop10h 46m

$429

Washington, D.C.Helena

IAD Washington, D.C. Dulles Intl - HLN Helena

IADHLN

Washington, D.C. Dulles Intl

Wed 12/2

7:00 am-12:30 pm

1 stop7h 30m

Helena

Sat 12/5

1:10 pm-11:36 pm

2 stops8h 26m

$449

Quickest round-trip

Washington, D.C.Helena

IAD Washington, D.C. Dulles Intl - HLN Helena

IADHLN

Washington, D.C. Dulles Intl

Thu 1/14

8:15 am-1:40 pm

1 stop7h 25m

Helena

Tue 1/19

2:27 pm-11:26 pm

1 stop6h 59m

$459

Washington, D.C.Helena

IAD Washington, D.C. Dulles Intl - HLN Helena

IADHLN

Washington, D.C. Dulles Intl

Thu 12/10

5:18 pm-4:12 pm

1 stop24h 54m

Helena

Sun 12/13

4:49 pm-5:35 am

1 stop10h 46m

$461

Washington, D.C.Helena

IAD Washington, D.C. Dulles Intl - HLN Helena

IADHLN

Washington, D.C. Dulles Intl

Thu 12/31

6:00 am-10:26 pm

2 stops18h 26m

Helena

Wed 1/6

1:12 pm-11:31 pm

1 stop8h 19m

$473

Washington, D.C.Helena

DCA Washington, D.C. Reagan-National - HLN Helena

DCAHLN

Washington, D.C. Reagan-National

Thu 12/31

7:00 am-10:26 pm

2 stops17h 26m

Helena

Wed 1/6

7:10 am-5:58 pm

2 stops8h 48m

$478

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Washington, D.C. to Helena

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to Helena?

If you aren’t able to travel to Helena during the month of May, then flying in March is also cheap. Prices for this month can be found on momondo for an average of $0.

Can stopping save me money on Washington, D.C. to Helena flights?

You could potentially save up to 8% on your flight if you consider stops on a Washington, D.C. to Helena flight.

When to book flights from Washington, D.C. to Helena

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. to Helena according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Washington, D.C. to Helena (WAS to HLN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. to Helena

Best Price Found	$309
Fastest flight time	6h 52m
Direct flights	None

The best one-way flight to Helena from Washington, D.C. in the past 72 hours is $309. The best round-trip flight deal from Washington, D.C. to Helena found on momondo in the last 72 hours is $399.

The fastest flight from Washington, D.C. to Helena takes 6h 52m

There are no direct flights from Washington, D.C. to Helena. There are no popular flight routes from Washington, D.C. to Helena.

Search flight deals

Frequently asked questions about flying from Washington, D.C. to Helena

How far is Washington, D.C. to Helena by plane?
A flight from Washington, D.C. to Helena will travel around 1835.3 mi. In terms of flight time, this usually takes a little over 6h 52m.
When did momondo last update prices for flights from Washington, D.C. to Helena Airport?
Prices for flights from Washington, D.C. to Helena Airport refresh daily.
How old do you have to be to fly from Washington, D.C. to Helena Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Washington, D.C. to Helena Airport.
What documentation or ID do you need to fly to Helena Airport?
The required travel and health documents for your Helena Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Helena Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular airline from Washington, D.C. to Helena?
Based on momondo bookings for flights between Washington, D.C. and Helena, the leading airline is United Airlines, making up 55% of the total bookings. Other popular airlines include Delta with 45%.

Best airlines flying from Washington, D.C. to Helena

Compare and see reviews for airlines that fly from Washington, D.C. to Helena with momondo

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $378	Free Cancellation	Rating 7.3 10,470 reviews		Search United Airlines flights

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Why should I use momondo to find a flight deal from Washington, D.C. to Helena?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Helena from Washington, D.C..

Can I find flights from Washington, D.C. to Helena with flexible booking policies on momondo?

All flight searches from Washington, D.C. to Helena on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Washington, D.C. to Helena?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Washington, D.C. to Helena.

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Yes. momondo can track prices for Washington, D.C. to Helena flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.