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Cheap flights from Billings to District of Columbia from $285

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 District of Columbia departing on 12/20. 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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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
Alaska Airlines Logo
2:02 pm - 4:36 pmBIL-IAD
24h 34m1 stop
Alaska Airlines Logo
6:30 pm - 12:08 amIAD-BIL
31h 38m1 stop
$390Alaska Airlines
Find Deal
Mon, Dec 8 - Mon, Dec 15
Alaska Airlines Logo
2:02 pm - 6:06 amBIL-IAD
14h 04m1 stop
Alaska Airlines Logo
6:30 pm - 1:22 pmIAD-BIL
20h 52m2 stops
$394Alaska Airlines
Find Deal
Mon, Dec 8 - Mon, Dec 15
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
Delta Logo
6:25 am - 1:30 pmBIL-DCA
5h 05m1 stop
Delta Logo
5:10 pm - 10:33 pmDCA-BIL
7h 23m1 stop
$399Delta
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Fri, Dec 19 - Tue, Jan 6
Alaska Airlines Logo
6:00 am - 4:36 pmBIL-IAD
8h 36m1 stop
Alaska Airlines Logo
6:30 pm - 1:22 pmIAD-BIL
20h 52m2 stops
$402Alaska Airlines
Find Deal
Mon, Dec 8 - Mon, Dec 8
Delta Logo
6:25 am - 1:30 pmBIL-DCA
5h 05m1 stop
Delta Logo
6:58 pm - 11:48 pmDCA-BIL
6h 50m1 stop
$409Delta
Find Deal
Fri, Dec 12 - Mon, Dec 15
United Airlines Logo
7:00 am - 3:01 pmBIL-IAD
6h 01m1 stop
United Airlines Logo
5:35 pm - 1:18 pmIAD-BIL
21h 43m2 stops
$447United Airlines
Find Deal
Mon, Dec 8 - Mon, Dec 8
United Airlines Logo
2:40 pm - 11:18 pmBIL-IAD
6h 38m1 stop
United Airlines Logo
2:12 pm - 8:54 pmIAD-BIL
8h 42m1 stop
$465United Airlines
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Wed, Mar 18 - Sat, Mar 21
American Airlines Logo
2:03 pm - 12:40 amBIL-DCA
8h 37m1 stop
American Airlines Logo
11:59 am - 8:50 pmDCA-BIL
10h 51m2 stops
$549American Airlines
Find Deal
Tue, Mar 10 - Wed, Mar 11

United Airlines flights from Billings to District of Columbia

Our best United Airlines deals on Billings to District of Columbia flight tickets
United Airlines
Dec 8
BIL7:00 amBillings Logan Intl
6h 01m
1 stop
IAD3:01 pmWashington, D.C. Dulles Intl
Dec 8
IAD5:35 pmWashington, D.C. Dulles Intl
21h 43m
2 stops
BIL1:18 pmBillings Logan Intl
$447
Find similar
United Airlines
Mar 18
BIL2:40 pmBillings Logan Intl
6h 38m
1 stop
IAD11:18 pmWashington, D.C. Dulles Intl
Mar 21
IAD2:12 pmWashington, D.C. Dulles Intl
8h 42m
1 stop
BIL8:54 pmBillings Logan Intl
$465
Find similar
United Airlines
Dec 19
BIL2:40 pmBillings Logan Intl
6h 43m
1 stop
IAD11:23 pmWashington, D.C. Dulles Intl
Jan 6
IAD6:20 amWashington, D.C. Dulles Intl
9h 04m
1 stop
BIL1:24 pmBillings Logan Intl
$475
Find similar

Alaska Airlines flights from Billings to District of Columbia

Our best Alaska Airlines deals on Billings to District of Columbia 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
Dec 8
BIL2:02 pmBillings Logan Intl
24h 34m
1 stop
IAD4:36 pmWashington, D.C. Dulles Intl
Dec 15
IAD6:30 pmWashington, D.C. Dulles Intl
31h 38m
1 stop
BIL12:08 amBillings Logan Intl
$390
Find similar
Alaska Airlines
Dec 8
BIL2:02 pmBillings Logan Intl
14h 04m
1 stop
IAD6:06 amWashington, D.C. Dulles Intl
Dec 15
IAD6:30 pmWashington, D.C. Dulles Intl
20h 52m
2 stops
BIL1:22 pmBillings Logan Intl
$394
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Billings to District of Columbia 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 12, 2025.
Use the filters below to find and compare flights from Billings to District of Columbia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

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

Mon 12/8

2:02 pm-4:36 pm

1 stop24h 34m

Washington, D.C. Dulles Intl

Mon 12/15

6:30 pm-12:08 am

1 stop31h 38m

$390

BillingsWashington, D.C.

BIL - IAD

BILIAD

Billings Logan Intl

Mon 12/8

2:02 pm-6:06 am

1 stop14h 04m

Washington, D.C. Dulles Intl

Mon 12/15

6:30 pm-1:22 pm

2 stops20h 52m

$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

BillingsWashington, D.C.

BIL - DCA

BILDCA

Billings Logan Intl

Fri 12/19

6:25 am-1:30 pm

1 stop5h 05m

Washington, D.C. Reagan-National

Tue 1/6

5:10 pm-10:33 pm

1 stop7h 23m

$399

BillingsWashington, D.C.

BIL - IAD

BILIAD

Billings Logan Intl

Mon 12/8

6:00 am-4:36 pm

1 stop8h 36m

Washington, D.C. Dulles Intl

Mon 12/8

6:30 pm-1:22 pm

2 stops20h 52m

$402

BillingsWashington, D.C.

BIL - DCA

BILDCA

Billings Logan Intl

Fri 12/12

6:25 am-1:30 pm

1 stop5h 05m

Washington, D.C. Reagan-National

Mon 12/15

6:58 pm-11:48 pm

1 stop6h 50m

$409

BillingsWashington, D.C.

BIL - IAD

BILIAD

Billings Logan Intl

Mon 12/8

7:00 am-3:01 pm

1 stop6h 01m

Washington, D.C. Dulles Intl

Mon 12/8

5:35 pm-1:18 pm

2 stops21h 43m

$447

BillingsWashington, D.C.

BIL - IAD

BILIAD

Billings Logan Intl

Wed 3/18

2:40 pm-11:18 pm

1 stop6h 38m

Washington, D.C. Dulles Intl

Sat 3/21

2:12 pm-8:54 pm

1 stop8h 42m

$465

BillingsWashington, D.C.

BIL - DCA

BILDCA

Billings Logan Intl

Tue 3/10

2:03 pm-12:40 am

1 stop8h 37m

Washington, D.C. Reagan-National

Wed 3/11

11:59 am-8:50 pm

2 stops10h 51m

$549

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 District of Columbia from

How to get the cheapest flight ticket from Billings to District of Columbia

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 day to depart on your flight to District of Columbia?

The cheapest day to depart on your flight to District of Columbia is on a Tuesday when prices can be found for as low as $507. This is often the case because there is less demand to fly during this day of the week. On the other hand, Sunday is the most expensive day to depart from Billings because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $718.

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

Flying to District of Columbia from Billings at noon is the least expensive time of day to depart. momondo users have found prices as low as $542 when looking at flights departing at noon. Flights to District of Columbia are more costly in the morning, with an average ticket price of $678. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

Cheap Billings to District of Columbia flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Billings to District of Columbia

Direct flights

None
There are no direct flights from Billings to District of Columbia. There are no popular flight routes from Billings to District of Columbia.
Search flight deals

  • When did momondo last update prices for flights from Billings Logan Intl Airport to District of Columbia?

    Prices for flights from Billings Logan Intl Airport to District of Columbia are updated daily.

  • How many operators does momondo search for flights from Billings Logan Intl Airport to District of Columbia?

  • How old do you have to be to fly from Billings Logan Intl Airport to District of Columbia?

    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 District of Columbia.

  • What documentation or ID do you need to fly to District of Columbia?

    The travel and health documents required for your trip to District of Columbia 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 District of Columbia. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Billings to District of Columbia

Compare and see reviews for airlines that fly from Billings to District of Columbia with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom $373Free CancellationRating
7.4
9,015 reviews
Search United Airlines flights
American AirlinesPriceFrom $394Free CancellationRating
7.2
11,049 reviews
Search American Airlines flights
DeltaPriceFrom $398Free CancellationRating
7.9
8,009 reviews
Search Delta flights

Why use momondo?

Why should I use momondo to find a flight deal from Billings to District of Columbia?

Finding the right flight to District of Columbia from Billings 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 District of Columbia quick and easy, saving you time and money.

Can I find flights from Billings to District of Columbia with flexible booking policies on momondo?

Flights from Billings to District of Columbia with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Billings to District of Columbia?

momondo helps you find the best flight between Billings and District of Columbia 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 District of Columbia right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Billings to District of Columbia flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your District of Columbia trip

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