Cheap flights from Billings to Washington, D.C. from $175

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Billings to Washington, D.C. departing on 7/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Cheap round-trip flights

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Delta Logo
6:33 pm - 6:20 am
BIL
-
BWI
9h 47m
1 stop
Delta Logo
7:17 pm - 11:30 pm
BWI
-
BIL
6h 13m
1 stop
$349Delta
Sat, Aug 15 - Tue, Aug 25
Delta Logo
12:57 pm - 11:22 pm
BIL
-
IAD
8h 25m
1 stop
Delta Logo
6:47 pm - 11:11 pm
IAD
-
BIL
6h 24m
1 stop
$349Delta
Thu, Sep 24 - Mon, Sep 28
Delta Logo
6:33 pm - 6:20 am
BIL
-
BWI
9h 47m
1 stop
Delta Logo
12:30 pm - 10:25 pm
BWI
-
BIL
11h 55m
2 stops
$354Delta
Sat, Aug 15 - Tue, Aug 25
Delta Logo
6:33 pm - 9:20 am
BIL
-
IAD
12h 47m
2 stops
Delta Logo
6:49 pm - 11:30 pm
IAD
-
BIL
6h 41m
1 stop
$354Delta
Thu, Aug 27 - Sun, Aug 30
United Airlines Logo
2:29 pm - 12:32 am
BIL
-
IAD
8h 03m
1 stop
United Airlines Logo
5:26 pm - 10:53 pm
IAD
-
BIL
7h 27m
1 stop
$370United Airlines
Fri, Sep 4 - Tue, Sep 8
Delta Logo
12:57 pm - 11:22 pm
BIL
-
IAD
8h 25m
1 stop
Delta Logo
6:47 pm - 11:11 pm
IAD
-
BIL
6h 24m
1 stop
$374Delta
Thu, Sep 24 - Mon, Sep 28
Alaska Airlines Logo
3:42 pm - 3:40 pm
BIL
-
BWI
21h 58m
1 stop
Alaska Airlines Logo
6:18 pm - 11:38 am
BWI
-
BIL
19h 20m
1 stop
$399Alaska Airlines
Fri, Sep 4 - Tue, Sep 8
United Airlines Logo
2:29 pm - 11:19 pm
BIL
-
IAD
6h 50m
1 stop
United Airlines Logo
6:30 am - 1:21 pm
IAD
-
BIL
8h 51m
1 stop
$403United Airlines
Thu, Aug 27 - Sun, Aug 30
Alaska Airlines Logo
3:42 pm - 3:40 pm
BIL
-
BWI
21h 58m
1 stop
Alaska Airlines Logo
4:43 pm - 6:49 pm
BWI
-
BIL
28h 06m
2 stops
$426Alaska Airlines
Thu, Sep 24 - Mon, Sep 28
American Airlines Logo
12:22 pm - 8:59 pm
BIL
-
DCA
6h 37m
1 stop
American Airlines Logo
5:12 pm - 10:47 pm
DCA
-
BIL
7h 35m
1 stop
$435American Airlines
Thu, Sep 3 - Sun, Sep 6

American Airlines flights from Billings to Washington, D.C.

Our best American Airlines deals on Billings to Washington, D.C. flight tickets
American Airlines
Sep 3
BIL12:22 pmBillings Logan Intl
6h 37m
1 stop
DCA8:59 pmWashington, D.C. Reagan-National
Sep 6
DCA5:12 pmWashington, D.C. Reagan-National
7h 35m
1 stop
BIL10:47 pmBillings Logan Intl
$435
American Airlines
Aug 21
BIL10:35 amBillings Logan Intl
8h 24m
1 stop
DCA8:59 pmWashington, D.C. Reagan-National
Aug 27
DCA7:35 amWashington, D.C. Reagan-National
6h 15m
1 stop
BIL11:50 amBillings Logan Intl
$521
American Airlines
Aug 15
BIL7:00 amBillings Logan Intl
9h 14m
2 stops
DCA6:14 pmWashington, D.C. Reagan-National
Aug 25
DCA5:00 amWashington, D.C. Reagan-National
8h 50m
2 stops
BIL11:50 amBillings Logan Intl
$548

Alaska Airlines flights from Billings to Washington, D.C.

Our best Alaska Airlines deals on Billings to Washington, D.C. flight tickets
Alaska Airlines
Sep 4
BIL3:42 pmBillings Logan Intl
21h 58m
1 stop
BWI3:40 pmBaltimore/Washington
Sep 8
BWI6:18 pmBaltimore/Washington
19h 20m
1 stop
BIL11:38 amBillings Logan Intl
$399
Alaska Airlines
Sep 24
BIL3:42 pmBillings Logan Intl
21h 58m
1 stop
BWI3:40 pmBaltimore/Washington
Sep 28
BWI4:43 pmBaltimore/Washington
28h 06m
2 stops
BIL6:49 pmBillings Logan Intl
$426
Alaska Airlines
Sep 3
BIL12:11 pmBillings Logan Intl
16h 19m
1 stop
BWI6:30 amBaltimore/Washington
Sep 6
BWI6:18 pmBaltimore/Washington
31h 11m
1 stop
BIL11:29 pmBillings Logan Intl
$436

momondo Fare Finder

 
Customize your flight search to find flights from Billings to Washington, D.C. that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated June 4, 2026.
Use the filters below to find and compare flights from Billings to Washington, D.C. that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BillingsBaltimore

BIL - BWI

BILBWI

Billings Logan Intl

Sat 8/15

6:33 pm-6:20 am

1 stop9h 47m

Baltimore/Washington

Tue 8/25

7:17 pm-11:30 pm

1 stop6h 13m

$349

BillingsWashington, D.C.

BIL - IAD

BILIAD

Billings Logan Intl

Thu 9/24

12:57 pm-11:22 pm

1 stop8h 25m

Washington, D.C. Dulles Intl

Mon 9/28

6:47 pm-11:11 pm

1 stop6h 24m

$349

BillingsBaltimore

BIL - BWI

BILBWI

Billings Logan Intl

Sat 8/15

6:33 pm-6:20 am

1 stop9h 47m

Baltimore/Washington

Tue 8/25

12:30 pm-10:25 pm

2 stops11h 55m

$354

BillingsWashington, D.C.

BIL - IAD

BILIAD

Billings Logan Intl

Thu 8/27

6:33 pm-9:20 am

2 stops12h 47m

Washington, D.C. Dulles Intl

Sun 8/30

6:49 pm-11:30 pm

1 stop6h 41m

$354

BillingsWashington, D.C.

BIL - IAD

BILIAD

Billings Logan Intl

Fri 9/4

2:29 pm-12:32 am

1 stop8h 03m

Washington, D.C. Dulles Intl

Tue 9/8

5:26 pm-10:53 pm

1 stop7h 27m

$370

BillingsWashington, D.C.

BIL - IAD

BILIAD

Billings Logan Intl

Thu 9/24

12:57 pm-11:22 pm

1 stop8h 25m

Washington, D.C. Dulles Intl

Mon 9/28

6:47 pm-11:11 pm

1 stop6h 24m

$374

BillingsBaltimore

BIL - BWI

BILBWI

Billings Logan Intl

Fri 9/4

3:42 pm-3:40 pm

1 stop21h 58m

Baltimore/Washington

Tue 9/8

6:18 pm-11:38 am

1 stop19h 20m

$399

BillingsWashington, D.C.

BIL - IAD

BILIAD

Billings Logan Intl

Thu 8/27

2:29 pm-11:19 pm

1 stop6h 50m

Washington, D.C. Dulles Intl

Sun 8/30

6:30 am-1:21 pm

1 stop8h 51m

$403

BillingsBaltimore

BIL - BWI

BILBWI

Billings Logan Intl

Thu 9/24

3:42 pm-3:40 pm

1 stop21h 58m

Baltimore/Washington

Mon 9/28

4:43 pm-6:49 pm

2 stops28h 06m

$426
Quickest round-trip

BillingsWashington, D.C.

BIL - DCA

BILDCA

Billings Logan Intl

Thu 9/3

12:22 pm-8:59 pm

1 stop6h 37m

Washington, D.C. Reagan-National

Sun 9/6

5:12 pm-10:47 pm

1 stop7h 35m

$435

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 Billings 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

What is the typical price of a round-trip flight between Billings and Washington, D.C.?

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

The month of January is, on average, the cheapest month to fly to Washington, D.C. from Billings, with most prices found around $0. If you’re not able to fly to Washington, D.C. in January, then July is your next best option. Flight prices from Billings to Washington, D.C. during July average around $308.

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

You could potentially save up to 40% on your flight if you consider stops on a Billings to Washington, D.C. flight.

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

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

Cheap Billings to Washington, D.C. (BIL to WAS) flight deals and tips

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

Fastest flight time

5h 09m

Direct flights

None
The fastest flight from Billings to Washington, D.C. takes 5h 09m
There are no direct flights from Billings to Washington, D.C.. There are no popular flight routes from Billings to Washington, D.C..

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

  • How far is Billings Logan Intl to Washington, D.C. by plane?

    Washington, D.C. is 1662.3 mi away from Billings Logan Intl. A reasonable flight in good conditions will take 5h 09m.

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

    Prices for flights from Billings Logan Intl Airport to Washington, D.C. are updated daily.

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

  • How old do you have to be to fly from Billings Logan Intl 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 Billings Logan Intl Airport to Washington, D.C..

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

    The travel and health documents required for your trip to Washington, D.C. can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Washington, D.C.. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular airline from Billings to Washington, D.C.?

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

Compare and see reviews for airlines that fly from Billings to Washington, D.C. with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $328Free CancellationRating
7.1
11,641 reviews
Search American Airlines flights
United AirlinesPriceFrom $350Free CancellationRating
7.4
9,773 reviews
Search United Airlines flights
DeltaPriceFrom $388Free CancellationRating
7.8
8,395 reviews
Search Delta 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
Gettysburg
Arlington
Waldorf
Woodbridge
Laurel
Gaithersburg
Fredericksburg
Colonial Beach
Silver Spring
Rockville
Towson
Linthicum Heights
Manassas
Tysons
Springfield
Fairfax
Bethesda
College Park

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Billings to Washington, D.C.. Millions of users trust and use momondo every year so you are in good hands.

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

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

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

momondo helps you find the best flight between Billings 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 Billings to Washington, D.C. right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Billings 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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1 adult
Sat 7/4
Sat 7/11

Find better results for your trip to the United States

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

Airports listed have a maximum distance of 22.4 mi from Washington, D.C.