What is the cheapest airline that flies from District of Columbia to Helena?

United Airlines, Delta, and Alaska Airlines are the most popular carriers operating from District of Columbia to Helena

What airlines fly to Helena?

United Airlines, Delta and American Airlines are the top three most popular airlines that fly to Helena from District of Columbia according to our data. United Airlines is the first choice among our users, with 56% 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.

When did momondo last update prices for flights from District of Columbia to Helena Airport?

Prices for flights from District of Columbia to Helena Airport are updated daily.

How old do you have to be to fly from District of Columbia to Helena Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from District of Columbia to Helena Airport.

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

The travel and health documents you'll need for your trip to Helena Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Helena Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$208 Cheap Flights from District of Columbia to Helena in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from District of Columbia to Helena

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:13 am - 12:28 pmIAD Washington, D.C. Dulles Intl-HLN Helena

8h 15m1 stop Salt Lake City

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

8h 40m1 stop Salt Lake City

$379Delta

Thu, Nov 5 - Tue, Nov 10

12:30 pm - 10:24 pmIAD Washington, D.C. Dulles Intl-HLN Helena

11h 54m2 stops New York John F Kennedy Intl Salt Lake City

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

8h 40m1 stop Salt Lake City

$384Delta

Thu, Nov 5 - Thu, Nov 12

12:30 pm - 10:24 pmIAD Washington, D.C. Dulles Intl-HLN Helena

11h 54m2 stops New York John F Kennedy Intl 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

$389Delta

Thu, Nov 5 - Sat, Nov 14

12:27 pm - 10:24 pmDCA Washington, D.C. Reagan-National-HLN Helena

11h 57m2 stops Detroit Metropolitan Wayne County Salt Lake City

7:00 am - 5:59 pmHLN Helena-DCA Washington, D.C. Reagan-National

8h 59m2 stops Salt Lake City Cincinnati Cinci./N. Kentucky

$389Delta

Thu, Nov 5 - Thu, Nov 12

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

$397Delta

Wed, Dec 9 - Sun, Dec 13

6:13 am - 12:28 pmIAD Washington, D.C. Dulles Intl-HLN Helena

8h 15m1 stop 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

$402Delta

Fri, Nov 6 - Fri, Nov 13

12:30 pm - 10:24 pmIAD Washington, D.C. Dulles Intl-HLN Helena

11h 54m2 stops New York John F Kennedy Intl 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

$407Delta

Thu, Nov 5 - Fri, Nov 13

6:13 am - 12:28 pmIAD Washington, D.C. Dulles Intl-HLN Helena

8h 15m1 stop Salt Lake City

1:08 pm - 12:42 amHLN Helena-IAD Washington, D.C. Dulles Intl

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

$433Delta

Fri, Nov 6 - Sat, Nov 7

11:13 am - 10:24 pmDCA Washington, D.C. Reagan-National-HLN Helena

13h 11m2 stops New York John F Kennedy Intl Salt Lake City

7:00 am - 4:40 pmHLN Helena-DCA Washington, D.C. Reagan-National

7h 40m1 stop Salt Lake City

$433Delta

Thu, Nov 5 - Sat, Nov 14

6:05 am - 10:24 pmIAD Washington, D.C. Dulles Intl-HLN Helena

18h 19m2 stops Detroit Metropolitan Wayne County Salt Lake City

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

8h 40m1 stop Salt Lake City

$437Delta

Fri, Nov 6 - Wed, Nov 11

Cheap last minute flights

Enter your travel dates to find the best prices.

6:13 am - 12:28 pmIAD Washington, D.C. Dulles Intl-HLN Helena

8h 15m1 stop Salt Lake City

1:08 pm - 11:35 pmHLN Helena-IAD Washington, D.C. Dulles Intl

8h 27m1 stop Salt Lake City

$539Delta

Fri, Oct 16 - Mon, Oct 19

6:05 am - 12:28 pmIAD Washington, D.C. Dulles Intl-HLN Helena

8h 23m2 stops Detroit Metropolitan Wayne County Salt Lake City

1:08 pm - 11:35 pmHLN Helena-IAD Washington, D.C. Dulles Intl

8h 27m1 stop Salt Lake City

$564Delta

Fri, Oct 16 - Mon, Oct 19

12:30 pm - 10:24 pmIAD Washington, D.C. Dulles Intl-HLN Helena

11h 54m2 stops New York John F Kennedy Intl Salt Lake City

1:08 pm - 12:42 amHLN Helena-IAD Washington, D.C. Dulles Intl

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

$584Delta

Wed, Oct 14 - Sat, Oct 17

6:13 am - 12:28 pmIAD Washington, D.C. Dulles Intl-HLN Helena

8h 15m1 stop Salt Lake City

7:15 am - 8:14 pmHLN Helena-IAD Washington, D.C. Dulles Intl

10h 59m2 stops Salt Lake City Atlanta Hartsfield-Jackson

$724Delta

Wed, Oct 14 - Sat, Oct 17

6:05 am - 12:28 pmIAD Washington, D.C. Dulles Intl-HLN Helena

8h 23m2 stops Detroit Metropolitan Wayne County Salt Lake City

1:08 pm - 12:42 amHLN Helena-IAD Washington, D.C. Dulles Intl

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

$749Delta

Fri, Oct 16 - Mon, Oct 19

2:43 pm - 9:08 pmIAD Washington, D.C. Dulles Intl-HLN Helena

8h 25m1 stop Denver Intl

6:25 am - 5:35 pmHLN Helena-IAD Washington, D.C. Dulles Intl

9h 10m1 stop Denver Intl

$789United Airlines

Wed, Oct 14 - Sat, Oct 17

6:10 am - 12:28 pmDCA Washington, D.C. Reagan-National-HLN Helena

8h 18m2 stops Detroit Metropolitan Wayne County Salt Lake City

7:15 am - 8:39 pmHLN Helena-DCA Washington, D.C. Reagan-National

11h 24m2 stops Salt Lake City Atlanta Hartsfield-Jackson

$839Delta

Wed, Oct 14 - Sat, Oct 17

4:18 pm - 9:08 pmDCA Washington, D.C. Reagan-National-HLN Helena

6h 50m1 stop Denver Intl

6:25 am - 3:04 pmHLN Helena-DCA Washington, D.C. Reagan-National

6h 39m1 stop Denver Intl

$874United Airlines

Wed, Oct 14 - Sat, Oct 17

6:10 am - 12:28 pmDCA Washington, D.C. Reagan-National-HLN Helena

8h 18m2 stops Detroit Metropolitan Wayne County Salt Lake City

7:15 am - 4:49 pmHLN Helena-DCA Washington, D.C. Reagan-National

7h 34m1 stop Salt Lake City

$894Delta

Wed, Oct 14 - Sat, Oct 17

6:10 am - 12:28 pmDCA Washington, D.C. Reagan-National-HLN Helena

8h 18m2 stops Detroit Metropolitan Wayne County Salt Lake City

7:15 am - 6:37 pmHLN Helena-DCA Washington, D.C. Reagan-National

9h 22m2 stops Salt Lake City Detroit Metropolitan Wayne County

$1,089Delta

Fri, Oct 16 - Mon, Oct 19

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Delta flights from District of Columbia to Helena

Our best Delta deals on District of Columbia to Helena flight tickets

Delta

Nov 5

IAD6:13 amWashington, D.C. Dulles Intl

8h 15m

1 stop

HLN12:28 pmHelena

Nov 10

HLN1:07 pmHelena

8h 40m

1 stop

IAD11:47 pmWashington, D.C. Dulles Intl

$379

Delta

Nov 5

IAD12:30 pmWashington, D.C. Dulles Intl

11h 54m

2 stops

HLN10:24 pmHelena

Nov 12

HLN1:07 pmHelena

8h 40m

1 stop

IAD11:47 pmWashington, D.C. Dulles Intl

$384

Delta

Nov 5

DCA11:13 amWashington, D.C. Reagan-National

13h 11m

2 stops

HLN10:24 pmHelena

Nov 11

HLN7:00 amHelena

8h 59m

2 stops

DCA5:59 pmWashington, D.C. Reagan-National

$389

United Airlines flights from District of Columbia to Helena

Our best United Airlines deals on District of Columbia to Helena flight tickets

United Airlines

Jan 8

DCA4:15 pmWashington, D.C. Reagan-National

7h 17m

1 stop

HLN9:32 pmHelena

Jan 12

HLN6:15 amHelena

6h 40m

1 stop

DCA2:55 pmWashington, D.C. Reagan-National

$499

United Airlines

Nov 1

IAD6:10 amWashington, D.C. Dulles Intl

9h 30m

1 stop

HLN1:40 pmHelena

Nov 19

HLN2:23 pmHelena

6h 52m

1 stop

IAD11:15 pmWashington, D.C. Dulles Intl

$500

United Airlines

Jan 8

DCA11:50 amWashington, D.C. Reagan-National

11h 42m

2 stops

HLN9:32 pmHelena

Jan 12

HLN6:15 amHelena

6h 40m

1 stop

DCA2:55 pmWashington, D.C. Reagan-National

$504

momondo Fare Finder

Use the filters below to find and compare flights from District of Columbia to Helena that are best for you.

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 11/5

6:13 am-12:28 pm

1 stop8h 15m

Helena

Tue 11/10

1:07 pm-11:47 pm

1 stop8h 40m

$379

Washington, D.C.Helena

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

IADHLN

Washington, D.C. Dulles Intl

Thu 11/5

12:30 pm-10:24 pm

2 stops11h 54m

Helena

Thu 11/12

1:07 pm-11:47 pm

1 stop8h 40m

$384

Washington, D.C.Helena

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

IADHLN

Washington, D.C. Dulles Intl

Thu 11/5

12:30 pm-10:24 pm

2 stops11h 54m

Helena

Sat 11/14

1:07 pm-12:41 am

2 stops9h 34m

$389

Washington, D.C.Helena

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

DCAHLN

Washington, D.C. Reagan-National

Thu 11/5

12:27 pm-10:24 pm

2 stops11h 57m

Helena

Thu 11/12

7:00 am-5:59 pm

2 stops8h 59m

$389

Quickest round-trip

Washington, D.C.Helena

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

IADHLN

Washington, D.C. Dulles Intl

Wed 12/9

7:00 am-12:30 pm

1 stop7h 30m

Helena

Sun 12/13

1:10 pm-11:47 pm

1 stop8h 37m

$397

Washington, D.C.Helena

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

IADHLN

Washington, D.C. Dulles Intl

Fri 11/6

6:13 am-12:28 pm

1 stop8h 15m

Helena

Fri 11/13

1:07 pm-12:41 am

2 stops9h 34m

$402

Washington, D.C.Helena

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

IADHLN

Washington, D.C. Dulles Intl

Thu 11/5

12:30 pm-10:24 pm

2 stops11h 54m

Helena

Fri 11/13

1:07 pm-12:41 am

2 stops9h 34m

$407

Washington, D.C.Helena

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

IADHLN

Washington, D.C. Dulles Intl

Fri 11/6

6:13 am-12:28 pm

1 stop8h 15m

Helena

Sat 11/7

1:08 pm-12:42 am

2 stops9h 34m

$433

Washington, D.C.Helena

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

DCAHLN

Washington, D.C. Reagan-National

Thu 11/5

11:13 am-10:24 pm

2 stops13h 11m

Helena

Sat 11/14

7:00 am-4:40 pm

1 stop7h 40m

$433

Washington, D.C.Helena

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

IADHLN

Washington, D.C. Dulles Intl

Fri 11/6

6:05 am-10:24 pm

2 stops18h 19m

Helena

Wed 11/11

1:07 pm-11:47 pm

1 stop8h 40m

$437

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 District of Columbia 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

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.

Cheap District of Columbia to Helena flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from District of Columbia to Helena

Best Price Found	$208
Fastest flight time	7h 17m
Direct flights	None

The best one-way flight to Helena from District of Columbia in the past 72 hours is $208. The best round-trip flight deal from District of Columbia to Helena found on momondo in the last 72 hours is $379.

The fastest flight from District of Columbia to Helena takes 7h 17m

There are no direct flights from District of Columbia to Helena. There are no popular flight routes from District of Columbia to Helena.

Search flight deals

Frequently asked questions about flying from District of Columbia to Helena

When did momondo last update prices for flights from District of Columbia to Helena Airport?
Prices for flights from District of Columbia to Helena Airport are updated daily.
How old do you have to be to fly from District of Columbia to Helena Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from District of Columbia to Helena Airport.
What documentation or ID do you need to fly to Helena Airport?
The travel and health documents you'll need for your trip to Helena Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Helena Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from District of Columbia to Helena

Compare and see reviews for airlines that fly from District of Columbia to Helena with momondo

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $378	Free Cancellation	Rating 7.4 10,350 reviews		Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from District of Columbia to Helena?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from District of Columbia to Helena. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from District of Columbia to Helena with flexible booking policies on momondo?

momondo does allow users to show only those flights to Helena from District of Columbia which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from District of Columbia 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 District of Columbia to Helena.

I’m not ready to book a flight from District of Columbia to Helena right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Helena, momondo offers a useful price alert feature which will track prices for flights to Helena from District of Columbia and alert you when they change.