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Cheap flights from Washington, D.C. to Billings from $160

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. to Billings 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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Find the cheapest flights from Washington, D.C. to Billings

Cheap round-trip flights

Enter your travel dates to find the best prices.
Alaska Airlines Logo
8:00 am - 11:36 pm
DCA
-
BIL
17h 36m1 stop
Alaska Airlines Logo
3:35 pm - 9:59 pm
BIL
-
DCA
28h 24m1 stop
$324Alaska Airlines
Sat, Jan 31 - Wed, Feb 4
Alaska Airlines Logo
6:04 pm - 2:55 pm
IAD
-
BIL
22h 51m1 stop
Alaska Airlines Logo
3:35 pm - 4:26 pm
BIL
-
IAD
22h 51m1 stop
$329Alaska Airlines
Fri, Jan 30 - Tue, Feb 3
Alaska Airlines Logo
8:00 am - 2:55 pm
DCA
-
BIL
8h 55m1 stop
Alaska Airlines Logo
7:00 am - 9:59 pm
BIL
-
DCA
12h 59m1 stop
$344Alaska Airlines
Sat, Jan 31 - Wed, Feb 4
Alaska Airlines Logo
8:00 am - 11:36 pm
DCA
-
BIL
17h 36m1 stop
Alaska Airlines Logo
3:35 pm - 9:59 pm
BIL
-
DCA
28h 24m1 stop
$349Alaska Airlines
Sat, Jan 24 - Tue, Jan 27
United Airlines Logo
8:15 am - 1:24 pm
IAD
-
BIL
7h 09m1 stop
United Airlines Logo
10:52 am - 9:07 pm
BIL
-
IAD
8h 15m1 stop
$389United Airlines
Sat, Jan 24 - Tue, Jan 27
American Airlines Logo
6:00 am - 1:36 pm
IAD
-
BIL
9h 36m1 stop
American Airlines Logo
6:54 am - 9:17 pm
BIL
-
IAD
12h 23m2 stops
$394American Airlines
Sat, Jan 24 - Tue, Jan 27
American Airlines Logo
11:34 am - 10:33 pm
IAD
-
BIL
12h 59m2 stops
American Airlines Logo
6:54 am - 9:17 pm
BIL
-
IAD
12h 23m2 stops
$399American Airlines
Sat, Jan 24 - Tue, Jan 27
Delta Logo
10:15 am - 7:24 pm
DCA
-
BIL
11h 09m2 stops
Delta Logo
6:10 am - 6:57 pm
BIL
-
DCA
10h 47m2 stops
$399Delta
Sat, Jan 24 - Tue, Jan 27
United Airlines Logo
2:30 pm - 8:51 pm
IAD
-
BIL
8h 21m1 stop
United Airlines Logo
5:00 am - 1:27 pm
BIL
-
IAD
6h 27m1 stop
$415United Airlines
Sun, May 10 - Sat, May 16
Delta Logo
8:45 am - 7:25 pm
BWI
-
BIL
12h 40m2 stops
Delta Logo
6:22 am - 1:53 pm
BIL
-
BWI
5h 31m1 stop
$466Delta
Thu, Jan 8 - Tue, Jan 13

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

Our best Alaska Airlines deals on Washington, D.C. to Billings flight tickets
Alaska Airlines
Jan 31
DCA8:00 amWashington, D.C. Reagan-National
17h 36m
1 stop
BIL11:36 pmBillings Logan Intl
Feb 4
BIL3:35 pmBillings Logan Intl
28h 24m
1 stop
DCA9:59 pmWashington, D.C. Reagan-National
$324
Find similar
Alaska Airlines
Jan 30
IAD6:04 pmWashington, D.C. Dulles Intl
22h 51m
1 stop
BIL2:55 pmBillings Logan Intl
Feb 3
BIL3:35 pmBillings Logan Intl
22h 51m
1 stop
IAD4:26 pmWashington, D.C. Dulles Intl
$329
Find similar
Alaska Airlines
Jan 31
DCA8:00 amWashington, D.C. Reagan-National
8h 55m
1 stop
BIL2:55 pmBillings Logan Intl
Feb 4
BIL7:00 amBillings Logan Intl
12h 59m
1 stop
DCA9:59 pmWashington, D.C. Reagan-National
$344
Find similar

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

Our best United Airlines deals on Washington, D.C. to Billings flight tickets
United Airlines
Jan 24
IAD8:15 amWashington, D.C. Dulles Intl
7h 09m
1 stop
BIL1:24 pmBillings Logan Intl
Jan 27
BIL10:52 amBillings Logan Intl
8h 15m
1 stop
IAD9:07 pmWashington, D.C. Dulles Intl
$389
Find similar
United Airlines
May 10
IAD2:30 pmWashington, D.C. Dulles Intl
8h 21m
1 stop
BIL8:51 pmBillings Logan Intl
May 16
BIL5:00 amBillings Logan Intl
6h 27m
1 stop
IAD1:27 pmWashington, D.C. Dulles Intl
$415
Find similar
United Airlines
Jan 24
BWI8:23 amBaltimore/Washington
8h 59m
1 stop
BIL3:22 pmBillings Logan Intl
Jan 27
BIL2:45 pmBillings Logan Intl
6h 30m
1 stop
BWI11:15 pmBaltimore/Washington
$424
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. to Billings 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 December 21, 2025.
Use the filters below to find and compare flights from Washington, D.C. to Billings that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Billings

DCA - BIL

DCABIL

Washington, D.C. Reagan-National

Sat 1/31

8:00 am-11:36 pm

1 stop17h 36m

Billings Logan Intl

Wed 2/4

3:35 pm-9:59 pm

1 stop28h 24m

$324

Washington, D.C.Billings

IAD - BIL

IADBIL

Washington, D.C. Dulles Intl

Fri 1/30

6:04 pm-2:55 pm

1 stop22h 51m

Billings Logan Intl

Tue 2/3

3:35 pm-4:26 pm

1 stop22h 51m

$329

Washington, D.C.Billings

DCA - BIL

DCABIL

Washington, D.C. Reagan-National

Sat 1/31

8:00 am-2:55 pm

1 stop8h 55m

Billings Logan Intl

Wed 2/4

7:00 am-9:59 pm

1 stop12h 59m

$344

Washington, D.C.Billings

DCA - BIL

DCABIL

Washington, D.C. Reagan-National

Sat 1/24

8:00 am-11:36 pm

1 stop17h 36m

Billings Logan Intl

Tue 1/27

3:35 pm-9:59 pm

1 stop28h 24m

$349

Washington, D.C.Billings

IAD - BIL

IADBIL

Washington, D.C. Dulles Intl

Sat 1/24

8:15 am-1:24 pm

1 stop7h 09m

Billings Logan Intl

Tue 1/27

10:52 am-9:07 pm

1 stop8h 15m

$389

Washington, D.C.Billings

IAD - BIL

IADBIL

Washington, D.C. Dulles Intl

Sat 1/24

6:00 am-1:36 pm

1 stop9h 36m

Billings Logan Intl

Tue 1/27

6:54 am-9:17 pm

2 stops12h 23m

$394

Washington, D.C.Billings

IAD - BIL

IADBIL

Washington, D.C. Dulles Intl

Sat 1/24

11:34 am-10:33 pm

2 stops12h 59m

Billings Logan Intl

Tue 1/27

6:54 am-9:17 pm

2 stops12h 23m

$399

Washington, D.C.Billings

DCA - BIL

DCABIL

Washington, D.C. Reagan-National

Sat 1/24

10:15 am-7:24 pm

2 stops11h 09m

Billings Logan Intl

Tue 1/27

6:10 am-6:57 pm

2 stops10h 47m

$399

Washington, D.C.Billings

IAD - BIL

IADBIL

Washington, D.C. Dulles Intl

Sun 5/10

2:30 pm-8:51 pm

1 stop8h 21m

Billings Logan Intl

Sat 5/16

5:00 am-1:27 pm

1 stop6h 27m

$415

BaltimoreBillings

BWI - BIL

BWIBIL

Baltimore/Washington

Thu 1/8

8:45 am-7:25 pm

2 stops12h 40m

Billings Logan Intl

Tue 1/13

6:22 am-1:53 pm

1 stop5h 31m

$466

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 Billings from

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

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 month to fly to Billings?

The month of April is, on average, the cheapest month to fly to Billings from Washington, D.C., with most prices found around $408. The month of July is another great option to travel to Billings, with average flight prices from Washington, D.C. averaging around $446.

What is the cheapest day to depart on your flight to Billings?

Our data shows that Tuesday is the least expensive day to fly to Billings. Tickets to fly out on this day can be as low as $568. Flights from Washington, D.C. to Billings on a Sunday will generally be more expensive and average around $727. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Billings?

According to our data, the cheapest time of day to fly to Billings is at noon. momondo users have found flights departing from Washington, D.C. to Billings at noon for as low as $596. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In the evening is when there is more demand to fly to Billings, so prices are often more expensive at around $630 per ticket.

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

You could potentially save up to 5% on your flight if you consider stops on a Washington, D.C. to Billings flight.

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

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

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

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

Fastest flight time

5h 37m

Direct flights

None
The fastest flight from Washington, D.C. to Billings takes 5h 37m
There are no direct flights from Washington, D.C. to Billings. There are no popular flight routes from Washington, D.C. to Billings.
Search flight deals

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

    The distance between Washington, D.C. and Billings Logan Intl is about 1662.3 mi. Flights usually cover this in 5h 37m, depending on flying conditions and air traffic around both airports.

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

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

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

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Washington, D.C. to Billings Logan Intl Airport.

  • What documentation or ID do you need to fly to Billings Logan Intl Airport?

    The travel and health documents you'll need for your trip to Billings Logan Intl 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 Billings Logan Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

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

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

Compare and see reviews for airlines that fly from Washington, D.C. to Billings with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $298Free CancellationRating
7.2
11,050 reviews
Search American Airlines flights
DeltaPriceFrom $400Free CancellationRating
7.9
8,021 reviews
Search Delta flights
United AirlinesPriceFrom $426Free CancellationRating
7.4
9,099 reviews
Search United Airlines flights

Traveling to a place near Billings?

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Why use momondo?

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

Finding the right flight to Billings from Washington, D.C. 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 Billings quick and easy, saving you time and money.

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

Yes. momondo allows you to filter the results for Washington, D.C. to Billings flights to just show those with flexible booking policies.

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

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

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

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