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

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. Reagan-National Airport 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.

$190 Cheap Flights from Washington, D.C. Reagan-National Airport to Helena in 2026

Find the cheapest flights from Washington, D.C. Reagan-National Airport to Helena

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

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

$364Delta

Wed, Oct 21 - Sat, Oct 31

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 - 5:29 pmHLN Helena-DCA Washington, D.C. Reagan-National

8h 14m2 stops Salt Lake City Detroit Metropolitan Wayne County

$369Delta

Wed, Oct 21 - Sat, Oct 31

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

13h 14m2 stops New York John F Kennedy Intl Salt Lake City

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

7h 34m1 stop Salt Lake City

$399Delta

Wed, Sep 9 - Wed, Sep 16

7:25 pm - 12:28 pmDCA Washington, D.C. Reagan-National-HLN Helena

19h 03m2 stops Cincinnati Cinci./N. Kentucky Salt Lake City

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

7h 34m1 stop Salt Lake City

$404Delta

Mon, Oct 19 - Sat, Oct 31

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

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

1:08 pm - 8:45 amHLN Helena-DCA Washington, D.C. Reagan-National

17h 37m2 stops Salt Lake City Cincinnati Cinci./N. Kentucky

$409Delta

Wed, Oct 21 - Wed, Oct 28

3:00 pm - 10:24 pmDCA Washington, D.C. Reagan-National-HLN Helena

9h 24m2 stops Minneapolis St Paul Salt Lake City

1:08 pm - 8:35 amHLN Helena-DCA Washington, D.C. Reagan-National

17h 27m2 stops Salt Lake City Detroit Metropolitan Wayne County

$422Delta

Wed, Oct 21 - Fri, Oct 30

7:25 pm - 12:28 pmDCA Washington, D.C. Reagan-National-HLN Helena

19h 03m2 stops Cincinnati Cinci./N. Kentucky Salt Lake City

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

7h 34m1 stop Salt Lake City

$439Delta

Mon, Oct 19 - Fri, Oct 30

7:25 pm - 12:28 pmDCA Washington, D.C. Reagan-National-HLN Helena

19h 03m2 stops Cincinnati Cinci./N. Kentucky Salt Lake City

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

7h 34m1 stop Salt Lake City

$441Delta

Fri, Oct 23 - Sat, Oct 31

7:25 pm - 12:28 pmDCA Washington, D.C. Reagan-National-HLN Helena

19h 03m2 stops Cincinnati Cinci./N. Kentucky Salt Lake City

7:15 am - 5:58 pmHLN Helena-DCA Washington, D.C. Reagan-National

8h 43m2 stops Salt Lake City Cincinnati Cinci./N. Kentucky

$444Delta

Mon, Oct 19 - Tue, Oct 27

4:20 pm - 9:30 pmDCA Washington, D.C. Reagan-National-HLN Helena

7h 10m1 stop Denver Intl

6:15 am - 3:03 pmHLN Helena-DCA Washington, D.C. Reagan-National

6h 48m1 stop Denver Intl

$445United Airlines

Sat, Sep 5 - Wed, Sep 9

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Delta flights from Washington, D.C. Reagan-National Airport to Helena

Our best Delta deals on Washington, D.C. Reagan-National Airport to Helena flight tickets

Delta

Oct 21

DCA6:10 amWashington, D.C. Reagan-National

8h 18m

2 stops

HLN12:28 pmHelena

Oct 31

HLN7:15 amHelena

7h 34m

1 stop

DCA4:49 pmWashington, D.C. Reagan-National

$364

Delta

Oct 21

DCA6:10 amWashington, D.C. Reagan-National

8h 18m

2 stops

HLN12:28 pmHelena

Oct 31

HLN7:15 amHelena

8h 14m

2 stops

DCA5:29 pmWashington, D.C. Reagan-National

$369

Delta

Sep 9

DCA11:10 amWashington, D.C. Reagan-National

13h 14m

2 stops

HLN10:24 pmHelena

Sep 16

HLN7:15 amHelena

7h 34m

1 stop

DCA4:49 pmWashington, D.C. Reagan-National

$399

United Airlines flights from Washington, D.C. Reagan-National Airport to Helena

Our best United Airlines deals on Washington, D.C. Reagan-National Airport to Helena flight tickets

United Airlines

Sep 5

DCA4:20 pmWashington, D.C. Reagan-National

7h 10m

1 stop

HLN9:30 pmHelena

Sep 9

HLN6:15 amHelena

6h 48m

1 stop

DCA3:03 pmWashington, D.C. Reagan-National

$445

United Airlines

Oct 20

DCA4:18 pmWashington, D.C. Reagan-National

6h 50m

1 stop

HLN9:08 pmHelena

Oct 31

HLN6:28 amHelena

6h 27m

1 stop

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

$459

United Airlines

Oct 20

DCA11:57 amWashington, D.C. Reagan-National

11h 11m

2 stops

HLN9:08 pmHelena

Oct 29

HLN6:28 amHelena

6h 27m

1 stop

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

$464

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Helena

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

DCAHLN

Washington, D.C. Reagan-National

Wed 10/21

6:10 am-12:28 pm

2 stops8h 18m

Helena

Sat 10/31

7:15 am-4:49 pm

1 stop7h 34m

$364

Washington, D.C.Helena

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

DCAHLN

Washington, D.C. Reagan-National

Wed 10/21

6:10 am-12:28 pm

2 stops8h 18m

Helena

Sat 10/31

7:15 am-5:29 pm

2 stops8h 14m

$369

Washington, D.C.Helena

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

DCAHLN

Washington, D.C. Reagan-National

Wed 9/9

11:10 am-10:24 pm

2 stops13h 14m

Helena

Wed 9/16

7:15 am-4:49 pm

1 stop7h 34m

$399

Washington, D.C.Helena

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

DCAHLN

Washington, D.C. Reagan-National

Mon 10/19

7:25 pm-12:28 pm

2 stops19h 03m

Helena

Sat 10/31

7:15 am-4:49 pm

1 stop7h 34m

$404

Washington, D.C.Helena

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

DCAHLN

Washington, D.C. Reagan-National

Wed 10/21

6:10 am-12:28 pm

2 stops8h 18m

Helena

Wed 10/28

1:08 pm-8:45 am

2 stops17h 37m

$409

Washington, D.C.Helena

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

DCAHLN

Washington, D.C. Reagan-National

Wed 10/21

3:00 pm-10:24 pm

2 stops9h 24m

Helena

Fri 10/30

1:08 pm-8:35 am

2 stops17h 27m

$422

Washington, D.C.Helena

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

DCAHLN

Washington, D.C. Reagan-National

Mon 10/19

7:25 pm-12:28 pm

2 stops19h 03m

Helena

Fri 10/30

7:15 am-4:49 pm

1 stop7h 34m

$439

Washington, D.C.Helena

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

DCAHLN

Washington, D.C. Reagan-National

Fri 10/23

7:25 pm-12:28 pm

2 stops19h 03m

Helena

Sat 10/31

7:15 am-4:49 pm

1 stop7h 34m

$441

Washington, D.C.Helena

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

DCAHLN

Washington, D.C. Reagan-National

Mon 10/19

7:25 pm-12:28 pm

2 stops19h 03m

Helena

Tue 10/27

7:15 am-5:58 pm

2 stops8h 43m

$444

Quickest round-trip

Washington, D.C.Helena

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

DCAHLN

Washington, D.C. Reagan-National

Sat 9/5

4:20 pm-9:30 pm

1 stop7h 10m

Helena

Wed 9/9

6:15 am-3:03 pm

1 stop6h 48m

$445

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. Reagan-National Airport 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

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

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

What airlines fly to Helena?

American Airlines, United Airlines and Delta are the top three most popular airlines that fly to Helena from Washington, D.C. Reagan-National Airport according to our data. American Airlines is the first choice among our users, with 37% of people opting to fly with this airline when traveling to Helena. Keep in mind that there are 4 different airlines that fly to Helena on a routine basis, so you have a few additional options to choose from.

When to book flights from Washington, D.C. Reagan-National Airport to Helena

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. Reagan-National Airport 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. Reagan-National Airport to Helena (DCA to HLN) flight deals and tips

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

Best Price Found	$190
Fastest flight time	6h 52m
Direct flights	None

The best one-way flight to Helena from Washington, D.C. Reagan-National Airport in the past 72 hours is $190. The best round-trip flight deal from Washington, D.C. Reagan-National Airport to Helena found on momondo in the last 72 hours is $364.

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

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

Search flight deals

Frequently asked questions about flying from Washington, D.C. Reagan-National Airport to Helena

How far is Washington, D.C. Reagan-National to Helena by plane?
The straight-line distance from Washington, D.C. Reagan-National to Helena is 1837.0 mi. A reasonable flight in good conditions will take 6h 52m.
When did momondo last update prices for flights from Washington, D.C. Reagan-National Airport to Helena Airport?
Prices for flights from Washington, D.C. Reagan-National Airport to Helena Airport refresh daily.
How old do you have to be to fly from Washington, D.C. Reagan-National Airport to Helena Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. Reagan-National Airport 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.

Why use momondo?

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

It is quick and easy to find Washington, D.C. to Helena flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Helena that suits you.

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

Yes. momondo enables you to select and highlight flights to Helena from Washington, D.C. with this policy.

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

momondo provides multiple filters to help you find the best flight to Helena from Washington, D.C.. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Washington, D.C. to Helena right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Washington, D.C. to Helena flights. All you need is a valid email address and we will do the rest; it is that quick and easy.