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Cheap flights from Helena to Washington, D.C. from $180

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

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

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
5:45 am - 4:17 pmHLN  Helena-DCA Washington, D.C. Reagan-National
8h 32m1 stop Salt Lake City
Delta Logo
5:00 pm - 10:41 pmDCA  Washington, D.C. Reagan-National-HLN Helena
7h 41m1 stop Salt Lake City
$359Delta
Fri, Jan 15 - Mon, Jan 18
Delta Logo
5:45 am - 4:17 pmHLN  Helena-DCA Washington, D.C. Reagan-National
8h 32m1 stop Salt Lake City
Delta Logo
3:10 pm - 10:41 pmDCA  Washington, D.C. Reagan-National-HLN Helena
9h 31m2 stops Minneapolis St Paul Salt Lake City
$364Delta
Fri, Jan 15 - Mon, Jan 18
Delta Logo
5:45 am - 7:19 pmHLN  Helena-DCA Washington, D.C. Reagan-National
11h 34m2 stops Salt Lake City Cincinnati Cinci./N. Kentucky
Delta Logo
3:10 pm - 10:41 pmDCA  Washington, D.C. Reagan-National-HLN Helena
9h 31m2 stops Minneapolis St Paul Salt Lake City
$369Delta
Fri, Jan 15 - Mon, Jan 18
Alaska Airlines Logo
5:18 pm - 6:30 amHLN  Helena-BWI Baltimore/Washington
11h 12m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
7:15 pm - 4:41 pmBWI  Baltimore/Washington-HLN Helena
23h 26m1 stop Seattle/Tacoma Intl
$449Alaska Airlines
Fri, Sep 18 - Fri, Sep 25
United Airlines Logo
2:23 pm - 11:15 pmHLN  Helena-IAD Washington, D.C. Dulles Intl
6h 52m1 stop Denver Intl
United Airlines Logo
4:10 pm - 9:31 pmIAD  Washington, D.C. Dulles Intl-HLN Helena
7h 21m1 stop Denver Intl
$459United Airlines
Sat, Oct 31 - Tue, Nov 3
United Airlines Logo
2:30 pm - 11:13 pmHLN  Helena-IAD Washington, D.C. Dulles Intl
6h 43m1 stop Denver Intl
United Airlines Logo
2:25 pm - 8:59 pmIAD  Washington, D.C. Dulles Intl-HLN Helena
8h 34m1 stop Denver Intl
$459United Airlines
Sat, Jan 9 - Tue, Jan 12
United Airlines Logo
2:26 pm - 11:19 pmHLN  Helena-IAD Washington, D.C. Dulles Intl
6h 53m1 stop Denver Intl
United Airlines Logo
6:30 am - 1:45 pmIAD  Washington, D.C. Dulles Intl-HLN Helena
9h 15m1 stop Denver Intl
$459United Airlines
Fri, Sep 11 - Sun, Sep 13
United Airlines Logo
2:30 pm - 11:00 pmHLN  Helena-BWI Baltimore/Washington
6h 30m1 stop Denver Intl
United Airlines Logo
8:15 am - 1:27 pmBWI  Baltimore/Washington-HLN Helena
7h 12m1 stop Denver Intl
$459United Airlines
Sat, Jan 23 - Tue, Jan 26
United Airlines Logo
2:23 pm - 11:08 pmHLN  Helena-BWI Baltimore/Washington
6h 45m1 stop Denver Intl
United Airlines Logo
4:19 pm - 9:31 pmBWI  Baltimore/Washington-HLN Helena
7h 12m1 stop Denver Intl
$459United Airlines
Sat, Oct 31 - Tue, Nov 3
United Airlines Logo
6:28 am - 2:55 pmHLN  Helena-DCA Washington, D.C. Reagan-National
6h 27m1 stop Denver Intl
United Airlines Logo
4:09 pm - 9:31 pmDCA  Washington, D.C. Reagan-National-HLN Helena
7h 22m1 stop Denver Intl
$459United Airlines
Sat, Nov 14 - Tue, Nov 17

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Delta flights from Helena to Washington, D.C.

Our best Delta deals on Helena to Washington, D.C. flight tickets
Delta
Jan 15
HLN5:45 amHelena
8h 32m
1 stop
DCA4:17 pmWashington, D.C. Reagan-National
Jan 18
DCA5:00 pmWashington, D.C. Reagan-National
7h 41m
1 stop
HLN10:41 pmHelena
$359
Delta
Jan 15
HLN5:45 amHelena
8h 32m
1 stop
DCA4:17 pmWashington, D.C. Reagan-National
Jan 18
DCA3:10 pmWashington, D.C. Reagan-National
9h 31m
2 stops
HLN10:41 pmHelena
$364
Delta
Jan 15
HLN5:45 amHelena
11h 34m
2 stops
DCA7:19 pmWashington, D.C. Reagan-National
Jan 18
DCA3:10 pmWashington, D.C. Reagan-National
9h 31m
2 stops
HLN10:41 pmHelena
$369

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

Our best United Airlines deals on Helena to Washington, D.C. flight tickets
United Airlines
Oct 31
HLN2:23 pmHelena
6h 52m
1 stop
IAD11:15 pmWashington, D.C. Dulles Intl
Nov 3
IAD4:10 pmWashington, D.C. Dulles Intl
7h 21m
1 stop
HLN9:31 pmHelena
$459
United Airlines
Oct 31
HLN6:28 amHelena
6h 45m
1 stop
BWI3:13 pmBaltimore/Washington
Nov 3
BWI12:34 pmBaltimore/Washington
10h 57m
2 stops
HLN9:31 pmHelena
$464
United Airlines
Oct 31
HLN6:28 amHelena
10h 27m
2 stops
BWI6:55 pmBaltimore/Washington
Nov 3
BWI12:34 pmBaltimore/Washington
10h 57m
2 stops
HLN9:31 pmHelena
$469

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HelenaWashington, D.C.

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

HLNDCA

Helena

Fri 1/15

5:45 am-4:17 pm

1 stop8h 32m

Washington, D.C. Reagan-National

Mon 1/18

5:00 pm-10:41 pm

1 stop7h 41m

$359

HelenaWashington, D.C.

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

HLNDCA

Helena

Fri 1/15

5:45 am-4:17 pm

1 stop8h 32m

Washington, D.C. Reagan-National

Mon 1/18

3:10 pm-10:41 pm

2 stops9h 31m

$364

HelenaWashington, D.C.

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

HLNDCA

Helena

Fri 1/15

5:45 am-7:19 pm

2 stops11h 34m

Washington, D.C. Reagan-National

Mon 1/18

3:10 pm-10:41 pm

2 stops9h 31m

$369

HelenaBaltimore

HLN Helena - BWI Baltimore/Washington

HLNBWI

Helena

Fri 9/18

5:18 pm-6:30 am

1 stop11h 12m

Baltimore/Washington

Fri 9/25

7:15 pm-4:41 pm

1 stop23h 26m

$449

HelenaWashington, D.C.

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

HLNIAD

Helena

Sat 10/31

2:23 pm-11:15 pm

1 stop6h 52m

Washington, D.C. Dulles Intl

Tue 11/3

4:10 pm-9:31 pm

1 stop7h 21m

$459

HelenaWashington, D.C.

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

HLNIAD

Helena

Sat 1/9

2:30 pm-11:13 pm

1 stop6h 43m

Washington, D.C. Dulles Intl

Tue 1/12

2:25 pm-8:59 pm

1 stop8h 34m

$459

HelenaWashington, D.C.

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

HLNIAD

Helena

Fri 9/11

2:26 pm-11:19 pm

1 stop6h 53m

Washington, D.C. Dulles Intl

Sun 9/13

6:30 am-1:45 pm

1 stop9h 15m

$459
Quickest round-trip

HelenaBaltimore

HLN Helena - BWI Baltimore/Washington

HLNBWI

Helena

Sat 1/23

2:30 pm-11:00 pm

1 stop6h 30m

Baltimore/Washington

Tue 1/26

8:15 am-1:27 pm

1 stop7h 12m

$459

HelenaBaltimore

HLN Helena - BWI Baltimore/Washington

HLNBWI

Helena

Sat 10/31

2:23 pm-11:08 pm

1 stop6h 45m

Baltimore/Washington

Tue 11/3

4:19 pm-9:31 pm

1 stop7h 12m

$459

HelenaWashington, D.C.

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

HLNDCA

Helena

Sat 11/14

6:28 am-2:55 pm

1 stop6h 27m

Washington, D.C. Reagan-National

Tue 11/17

4:09 pm-9:31 pm

1 stop7h 22m

$459

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Washington, D.C. from

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

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

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

You could potentially save up to 29% on your flight if you consider stops on a Helena to Washington, D.C. flight.

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

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

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

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

Best Price Found

$180

Fastest flight time

6h 30m

Direct flights

None
The best one-way flight to Washington, D.C. from Helena in the past 72 hours is $180. The best round-trip flight deal from Helena to Washington, D.C. found on momondo in the last 72 hours is $359.
The fastest flight from Helena to Washington, D.C. takes 6h 30m
There are no direct flights from Helena to Washington, D.C.. There are no popular flight routes from Helena to Washington, D.C..
Search flight deals

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

  • How far is Helena to Washington, D.C. by plane?

    There are 1835.3 mi between Helena and Washington, D.C.. In terms of flight time, this usually takes a little over 6h 30m.

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

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

  • How many operators does momondo search for flights from Helena Airport to Washington, D.C.?

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

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Helena Airport to Washington, D.C..

  • What documentation or ID do you need to fly to Washington, D.C.?

    The required travel and health documents for your Washington, D.C. 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 Washington, D.C.. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

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

Compare and see reviews for airlines that fly from Helena to Washington, D.C. with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $348Free CancellationRating
7.4
10,113 reviews
Search United Airlines flights

Traveling to a place near Washington, D.C.?

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
National Harbor
Arlington
Gettysburg
Waldorf
Laurel
Woodbridge
Fredericksburg
Gaithersburg
Linthicum Heights
Rockville
Silver Spring
Towson
Springfield
Colonial Beach
Fairfax
Edgewood
Tysons
College Park
Glen Burnie

Why use momondo?

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

Finding the right flight to Washington, D.C. from Helena is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Washington, D.C. quick and easy, saving you time and money.

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

momondo does allow users to show only those flights to Washington, D.C. from Helena which offer a flexible booking policy as well as other useful filters and features.

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

momondo helps you find the best flight between Helena and Washington, D.C. by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

If you are not ready to book a flight from Helena to Washington, D.C. now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Washington, D.C. and let you know when they change.

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Find better results for your trip to the United States

Fly into one of these airports located in Washington, D.C.

Washington, D.C. Reagan-National Airport
Washington, D.C. Dulles Intl Airport