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Cheap flights from Billings to Washington, D.C. from $211

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 1/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Cheap round-trip flights

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Multiple Airlines Logo
12:02 pm - 11:45 pmBIL-BWI
33h 43m3 stops
Multiple Airlines Logo
8:45 am - 9:12 amBWI-BIL
26h 27m2 stops
$323Multiple Airlines
Find Deal
Tue, Dec 9 - Thu, Dec 11
Multiple Airlines Logo
12:02 pm - 11:45 pmBIL-BWI
33h 43m3 stops
Multiple Airlines Logo
8:45 am - 9:12 amBWI-BIL
26h 27m3 stops
$360Multiple Airlines
Find Deal
Tue, Dec 9 - Thu, Dec 11
Multiple Airlines Logo
12:02 pm - 9:17 amBIL-BWI
19h 15m2 stops
Multiple Airlines Logo
8:45 am - 9:12 amBWI-BIL
26h 27m2 stops
$361Multiple Airlines
Find Deal
Tue, Dec 9 - Thu, Dec 11
Alaska Airlines Logo
7:00 am - 5:20 pmBIL-IAD
8h 20m1 stop
Alaska Airlines Logo
7:05 am - 2:52 pmIAD-BIL
9h 47m1 stop
$388Alaska Airlines
Find Deal
Tue, Mar 10 - Wed, Mar 11
American Airlines Logo
1:58 pm - 10:28 pmBIL-IAD
6h 30m1 stop
American Airlines Logo
6:00 am - 1:28 pmIAD-BIL
9h 28m1 stop
$389American Airlines
Find Deal
Sat, Dec 6 - Sat, Dec 13
American Airlines Logo
1:58 pm - 11:00 pmBIL-DCA
7h 02m1 stop
American Airlines Logo
6:30 am - 1:28 pmDCA-BIL
8h 58m1 stop
$389American Airlines
Find Deal
Sat, Dec 6 - Sat, Dec 13
Delta Logo
6:22 pm - 6:00 amBIL-BWI
9h 38m1 stop
Delta Logo
7:02 am - 5:42 pmBWI-BIL
12h 40m2 stops
$394Delta
Find Deal
Sat, Dec 6 - Sat, Dec 13
Delta Logo
6:25 am - 1:46 pmBIL-IAD
5h 21m1 stop
Delta Logo
3:00 pm - 11:26 pmIAD-BIL
10h 26m2 stops
$394Delta
Find Deal
Sat, Dec 6 - Sat, Dec 13
Delta Logo
6:25 am - 5:21 pmBIL-DCA
8h 56m2 stops
Delta Logo
5:11 pm - 11:26 pmDCA-BIL
8h 15m1 stop
$394Delta
Find Deal
Sat, Dec 6 - Sat, Dec 13
Alaska Airlines Logo
7:00 am - 9:59 pmBIL-DCA
12h 59m1 stop
Alaska Airlines Logo
8:00 am - 2:52 pmDCA-BIL
8h 52m1 stop
$396Alaska Airlines
Find Deal
Tue, Mar 10 - Wed, Mar 11

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

Our best Alaska Airlines deals on Billings to Washington, D.C. flight tickets
Alaska Airlines
Mar 10
BIL7:00 amBillings Logan Intl
8h 20m
1 stop
IAD5:20 pmWashington, D.C. Dulles Intl
Mar 11
IAD7:05 amWashington, D.C. Dulles Intl
9h 47m
1 stop
BIL2:52 pmBillings Logan Intl
$388
Find similar
Alaska Airlines
Mar 10
BIL7:00 amBillings Logan Intl
12h 59m
1 stop
DCA9:59 pmWashington, D.C. Reagan-National
Mar 11
DCA8:00 amWashington, D.C. Reagan-National
8h 52m
1 stop
BIL2:52 pmBillings Logan Intl
$396
Find similar
Alaska Airlines
Dec 8
BIL6:00 amBillings Logan Intl
8h 36m
1 stop
IAD4:36 pmWashington, D.C. Dulles Intl
Dec 8
IAD6:30 pmWashington, D.C. Dulles Intl
20h 52m
2 stops
BIL1:22 pmBillings Logan Intl
$402
Find similar

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

Our best American Airlines deals on Billings to Washington, D.C. flight tickets
American Airlines
Dec 6
BIL1:58 pmBillings Logan Intl
6h 30m
1 stop
IAD10:28 pmWashington, D.C. Dulles Intl
Dec 13
IAD6:00 amWashington, D.C. Dulles Intl
9h 28m
1 stop
BIL1:28 pmBillings Logan Intl
$389
Find similar
American Airlines
Mar 18
BIL2:03 pmBillings Logan Intl
6h 12m
1 stop
IAD10:15 pmWashington, D.C. Dulles Intl
Mar 21
IAD6:40 amWashington, D.C. Dulles Intl
7h 17m
1 stop
BIL11:57 amBillings Logan Intl
$534
Find similar
American Airlines
Mar 18
BIL2:03 pmBillings Logan Intl
6h 12m
1 stop
IAD10:15 pmWashington, D.C. Dulles Intl
Mar 21
IAD6:40 amWashington, D.C. Dulles Intl
7h 17m
1 stop
BIL11:57 amBillings Logan Intl
$544
Find similar

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 November 13, 2025.
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

BillingsBaltimore

BIL - BWI

BILBWI

Billings Logan Intl

Tue 12/9

12:02 pm-11:45 pm

3 stops33h 43m

Baltimore/Washington

Thu 12/11

8:45 am-9:12 am

2 stops26h 27m

$323

BillingsBaltimore

BIL - BWI

BILBWI

Billings Logan Intl

Tue 12/9

12:02 pm-11:45 pm

3 stops33h 43m

Baltimore/Washington

Thu 12/11

8:45 am-9:12 am

3 stops26h 27m

$360

BillingsBaltimore

BIL - BWI

BILBWI

Billings Logan Intl

Tue 12/9

12:02 pm-9:17 am

2 stops19h 15m

Baltimore/Washington

Thu 12/11

8:45 am-9:12 am

2 stops26h 27m

$361

BillingsWashington, D.C.

BIL - IAD

BILIAD

Billings Logan Intl

Tue 3/10

7:00 am-5:20 pm

1 stop8h 20m

Washington, D.C. Dulles Intl

Wed 3/11

7:05 am-2:52 pm

1 stop9h 47m

$388

BillingsWashington, D.C.

BIL - IAD

BILIAD

Billings Logan Intl

Sat 12/6

1:58 pm-10:28 pm

1 stop6h 30m

Washington, D.C. Dulles Intl

Sat 12/13

6:00 am-1:28 pm

1 stop9h 28m

$389

BillingsWashington, D.C.

BIL - DCA

BILDCA

Billings Logan Intl

Sat 12/6

1:58 pm-11:00 pm

1 stop7h 02m

Washington, D.C. Reagan-National

Sat 12/13

6:30 am-1:28 pm

1 stop8h 58m

$389

BillingsBaltimore

BIL - BWI

BILBWI

Billings Logan Intl

Sat 12/6

6:22 pm-6:00 am

1 stop9h 38m

Baltimore/Washington

Sat 12/13

7:02 am-5:42 pm

2 stops12h 40m

$394

BillingsWashington, D.C.

BIL - IAD

BILIAD

Billings Logan Intl

Sat 12/6

6:25 am-1:46 pm

1 stop5h 21m

Washington, D.C. Dulles Intl

Sat 12/13

3:00 pm-11:26 pm

2 stops10h 26m

$394

BillingsWashington, D.C.

BIL - DCA

BILDCA

Billings Logan Intl

Sat 12/6

6:25 am-5:21 pm

2 stops8h 56m

Washington, D.C. Reagan-National

Sat 12/13

5:11 pm-11:26 pm

1 stop8h 15m

$394

BillingsWashington, D.C.

BIL - DCA

BILDCA

Billings Logan Intl

Tue 3/10

7:00 am-9:59 pm

1 stop12h 59m

Washington, D.C. Reagan-National

Wed 3/11

8:00 am-2:52 pm

1 stop8h 52m

$396

Flights are sorted by cheapest round-trip flights 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 day to depart on your flight to Washington, D.C.?

On average, the least expensive day to fly to Washington, D.C. from Billings is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $507. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Billings to Washington, D.C. for around $718.

What is the cheapest time of day to depart on your flight to Washington, D.C.?

At noon is the cheapest time of day to fly from Billings to Washington, D.C. when you can find flight prices for as low as $542. Flying to Washington, D.C. at noon is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the morning because they tend to be around $678. Of course, these prices can vary depending on the time of year and what airport you fly to.

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.

Direct flights

None
There are no direct flights from Billings to Washington, D.C.. There are no popular flight routes from Billings to Washington, D.C..
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  • 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 03m.

  • 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
United AirlinesPriceFrom $373Free CancellationRating
7.4
9,017 reviews
Search United Airlines flights
American AirlinesPriceFrom $394Free CancellationRating
7.2
11,051 reviews
Search American Airlines flights
DeltaPriceFrom $398Free CancellationRating
7.9
8,007 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
Woodbridge
Waldorf
Tysons
Laurel
Colonial Beach
Silver Spring
Fredericksburg
Towson
Rockville
Reston
Manassas
Gaithersburg
Fairfax
Glen Burnie
Linthicum Heights
Springfield

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