What is the cheapest airline that flies from Billings Logan Intl to Washington, D.C. Reagan-National?

American Airlines, United Airlines, and Alaska Airlines are the most popular carriers operating from Billings Logan Intl to Washington, D.C. Reagan-National

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

Prices for flights from Billings Logan Intl Airport to Washington, D.C. Reagan-National Airport were last updated today.

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

There are 2 operators available for flights from Billings Logan Intl Airport to Washington, D.C. Reagan-National Airport as of October 2026.

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

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Billings Logan Intl Airport to Washington, D.C. Reagan-National Airport.

What documentation or ID do you need to fly to Washington, D.C. Reagan-National Airport?

The necessary travel and health documents for your Washington, D.C. Reagan-National Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$299 Cheap Flights from Billings to Washington, D.C. Reagan-National Airport in 2026/27

Discover deals from 900+ travel sites with momondo.

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

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One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

5:45 am - 4:17 pmBIL Billings Logan Intl-DCA Washington, D.C. Reagan-National

8h 32m1 stop Salt Lake City

5:00 pm - 10:32 pmDCA Washington, D.C. Reagan-National-BIL Billings Logan Intl

7h 32m1 stop Salt Lake City

$379Delta

Thu, Jan 21 - Sun, Jan 24

6:34 am - 2:00 pmBIL Billings Logan Intl-DCA Washington, D.C. Reagan-National

5h 26m1 stop Minneapolis St Paul

2:59 pm - 7:48 pmDCA Washington, D.C. Reagan-National-BIL Billings Logan Intl

6h 49m1 stop Minneapolis St Paul

$379Delta

Thu, Nov 19 - Tue, Dec 1

5:35 am - 4:47 pmBIL Billings Logan Intl-DCA Washington, D.C. Reagan-National

9h 12m1 stop Salt Lake City

2:00 pm - 7:48 pmDCA Washington, D.C. Reagan-National-BIL Billings Logan Intl

7h 48m2 stops Cincinnati Cinci./N. Kentucky Minneapolis St Paul

$384Delta

Thu, Nov 19 - Tue, Dec 1

6:15 am - 9:15 pmBIL Billings Logan Intl-DCA Washington, D.C. Reagan-National

13h 00m2 stops Minneapolis St Paul Atlanta Hartsfield-Jackson

5:00 pm - 10:32 pmDCA Washington, D.C. Reagan-National-BIL Billings Logan Intl

7h 32m1 stop Salt Lake City

$384Delta

Thu, Jan 21 - Sun, Jan 24

1:21 pm - 11:59 pmBIL Billings Logan Intl-DCA Washington, D.C. Reagan-National

8h 38m1 stop Dallas/Fort Worth

7:00 am - 12:51 pmDCA Washington, D.C. Reagan-National-BIL Billings Logan Intl

7h 51m1 stop Dallas/Fort Worth

$449American Airlines

Tue, Oct 27 - Sat, Oct 31

6:00 am - 3:59 pmBIL Billings Logan Intl-DCA Washington, D.C. Reagan-National

7h 59m1 stop Dallas/Fort Worth

11:57 am - 9:12 pmDCA Washington, D.C. Reagan-National-BIL Billings Logan Intl

11h 15m2 stops Charlotte Douglas Dallas/Fort Worth

$454American Airlines

Tue, Oct 27 - Sat, Oct 31

1:21 pm - 11:59 pmBIL Billings Logan Intl-DCA Washington, D.C. Reagan-National

8h 38m2 stops Dallas/Fort Worth Charlotte Douglas

11:57 am - 9:12 pmDCA Washington, D.C. Reagan-National-BIL Billings Logan Intl

11h 15m2 stops Charlotte Douglas Dallas/Fort Worth

$459American Airlines

Tue, Oct 27 - Sat, Oct 31

7:00 am - 2:55 pmBIL Billings Logan Intl-DCA Washington, D.C. Reagan-National

5h 55m1 stop Denver Intl

4:15 pm - 9:15 pmDCA Washington, D.C. Reagan-National-BIL Billings Logan Intl

7h 00m1 stop Denver Intl

$499United Airlines

Sat, Jan 23 - Tue, Jan 26

7:00 am - 2:55 pmBIL Billings Logan Intl-DCA Washington, D.C. Reagan-National

5h 55m1 stop Denver Intl

4:13 pm - 9:29 pmDCA Washington, D.C. Reagan-National-BIL Billings Logan Intl

7h 16m1 stop Denver Intl

$499United Airlines

Tue, Nov 3 - Sat, Dec 5

7:00 am - 2:55 pmBIL Billings Logan Intl-DCA Washington, D.C. Reagan-National

5h 55m1 stop Denver Intl

4:15 pm - 9:15 pmDCA Washington, D.C. Reagan-National-BIL Billings Logan Intl

7h 00m1 stop Denver Intl

$501United Airlines

Sat, Jan 23 - Tue, Jan 26

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American Airlines flights from Billings to Washington, D.C. Reagan-National Airport

Our best American Airlines deals on Billings to Washington, D.C. Reagan-National Airport flight tickets

American Airlines

Oct 27

BIL1:21 pmBillings Logan Intl

8h 38m

1 stop

DCA11:59 pmWashington, D.C. Reagan-National

Oct 31

DCA7:00 amWashington, D.C. Reagan-National

7h 51m

1 stop

BIL12:51 pmBillings Logan Intl

$449

American Airlines

Oct 27

BIL6:00 amBillings Logan Intl

7h 59m

1 stop

DCA3:59 pmWashington, D.C. Reagan-National

Oct 31

DCA11:57 amWashington, D.C. Reagan-National

11h 15m

2 stops

BIL9:12 pmBillings Logan Intl

$454

American Airlines

Oct 27

BIL1:21 pmBillings Logan Intl

8h 38m

2 stops

DCA11:59 pmWashington, D.C. Reagan-National

Oct 31

DCA11:57 amWashington, D.C. Reagan-National

11h 15m

2 stops

BIL9:12 pmBillings Logan Intl

$459

Alaska Airlines flights from Billings to Washington, D.C. Reagan-National Airport

Our best Alaska Airlines deals on Billings to Washington, D.C. Reagan-National Airport flight tickets

Alaska Airlines

Nov 18

BIL11:55 amBillings Logan Intl

8h 04m

1 stop

DCA9:59 pmWashington, D.C. Reagan-National

Nov 22

DCA6:59 pmWashington, D.C. Reagan-National

30h 59m

2 stops

BIL11:58 pmBillings Logan Intl

$551

Alaska Airlines

Dec 18

BIL11:56 amBillings Logan Intl

8h 03m

1 stop

DCA9:59 pmWashington, D.C. Reagan-National

Jan 4

DCA5:10 pmWashington, D.C. Reagan-National

22h 44m

1 stop

BIL1:54 pmBillings Logan Intl

$571

Alaska Airlines

Nov 4

BIL7:18 amBillings Logan Intl

12h 41m

1 stop

DCA9:59 pmWashington, D.C. Reagan-National

Nov 9

DCA5:11 pmWashington, D.C. Reagan-National

20h 04m

1 stop

BIL11:15 amBillings Logan Intl

$573

momondo Fare Finder

Use the filters below to find and compare flights from Billings to Washington, D.C. Reagan-National Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BillingsWashington, D.C.

BIL Billings Logan Intl - DCA Washington, D.C. Reagan-National

BILDCA

Billings Logan Intl

Thu 1/21

5:45 am-4:17 pm

1 stop8h 32m

Washington, D.C. Reagan-National

Sun 1/24

5:00 pm-10:32 pm

1 stop7h 32m

$379

Quickest round-trip

BillingsWashington, D.C.

BIL Billings Logan Intl - DCA Washington, D.C. Reagan-National

BILDCA

Billings Logan Intl

Thu 11/19

6:34 am-2:00 pm

1 stop5h 26m

Washington, D.C. Reagan-National

Tue 12/1

2:59 pm-7:48 pm

1 stop6h 49m

$379

BillingsWashington, D.C.

BIL Billings Logan Intl - DCA Washington, D.C. Reagan-National

BILDCA

Billings Logan Intl

Thu 11/19

5:35 am-4:47 pm

1 stop9h 12m

Washington, D.C. Reagan-National

Tue 12/1

2:00 pm-7:48 pm

2 stops7h 48m

$384

BillingsWashington, D.C.

BIL Billings Logan Intl - DCA Washington, D.C. Reagan-National

BILDCA

Billings Logan Intl

Thu 1/21

6:15 am-9:15 pm

2 stops13h 00m

Washington, D.C. Reagan-National

Sun 1/24

5:00 pm-10:32 pm

1 stop7h 32m

$384

BillingsWashington, D.C.

BIL Billings Logan Intl - DCA Washington, D.C. Reagan-National

BILDCA

Billings Logan Intl

Tue 10/27

1:21 pm-11:59 pm

1 stop8h 38m

Washington, D.C. Reagan-National

Sat 10/31

7:00 am-12:51 pm

1 stop7h 51m

$449

BillingsWashington, D.C.

BIL Billings Logan Intl - DCA Washington, D.C. Reagan-National

BILDCA

Billings Logan Intl

Tue 10/27

6:00 am-3:59 pm

1 stop7h 59m

Washington, D.C. Reagan-National

Sat 10/31

11:57 am-9:12 pm

2 stops11h 15m

$454

BillingsWashington, D.C.

BIL Billings Logan Intl - DCA Washington, D.C. Reagan-National

BILDCA

Billings Logan Intl

Tue 10/27

1:21 pm-11:59 pm

2 stops8h 38m

Washington, D.C. Reagan-National

Sat 10/31

11:57 am-9:12 pm

2 stops11h 15m

$459

BillingsWashington, D.C.

BIL Billings Logan Intl - DCA Washington, D.C. Reagan-National

BILDCA

Billings Logan Intl

Sat 1/23

7:00 am-2:55 pm

1 stop5h 55m

Washington, D.C. Reagan-National

Tue 1/26

4:15 pm-9:15 pm

1 stop7h 00m

$499

BillingsWashington, D.C.

BIL Billings Logan Intl - DCA Washington, D.C. Reagan-National

BILDCA

Billings Logan Intl

Tue 11/3

7:00 am-2:55 pm

1 stop5h 55m

Washington, D.C. Reagan-National

Sat 12/5

4:13 pm-9:29 pm

1 stop7h 16m

$499

BillingsWashington, D.C.

BIL Billings Logan Intl - DCA Washington, D.C. Reagan-National

BILDCA

Billings Logan Intl

Sat 1/23

7:00 am-2:55 pm

1 stop5h 55m

Washington, D.C. Reagan-National

Tue 1/26

4:15 pm-9:15 pm

1 stop7h 00m

$501

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Billings to Washington, D.C. Reagan-National Airport

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

Prices

Airlines

What is the cheapest month to fly to Washington, D.C. Reagan-National Airport?

The month of November is, on average, the cheapest month to fly to Washington, D.C. Reagan-National Airport from Billings, with most prices found around $0. If you aren’t able to travel to Washington, D.C. Reagan-National Airport during the month of November, then flying in January is also cheap. Prices for this month can be found on momondo for an average of $0.

Can stopping save me money on Billings to Washington, D.C. Reagan-National Airport flights?

You could potentially save up to 20% on your flight if you consider stops on a Billings to Washington, D.C. Reagan-National Airport flight.

When to book flights from Billings to Washington, D.C. Reagan-National Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Billings to Washington, D.C. Reagan-National Airport 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. Reagan-National Airport (BIL to DCA) flight deals and tips

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

Best Price Found	$299
Fastest flight time	5h 55m
Direct flights	None

The best one-way flight to Washington, D.C. Reagan-National Airport from Billings in the past 72 hours is $299. The best round-trip flight deal from Billings to Washington, D.C. Reagan-National Airport found on momondo in the last 72 hours is $379.

The fastest flight from Billings to Washington, D.C. Reagan-National Airport takes 5h 55m

There are no direct flights from Billings to Washington, D.C. Reagan-National Airport. There are no popular flight routes from Billings to Washington, D.C. Reagan-National Airport.

Search flight deals

Frequently asked questions about flying from Billings to Washington, D.C. Reagan-National Airport

How far is Billings Logan Intl to Washington, D.C. Reagan-National by plane?
The straight-line distance from Billings Logan Intl to Washington, D.C. Reagan-National is 1663.9 mi. Typically, this will take 5h 55m by plane in normal conditions.
When did momondo last update prices for flights from Billings Logan Intl Airport to Washington, D.C. Reagan-National Airport?
Prices for flights from Billings Logan Intl Airport to Washington, D.C. Reagan-National Airport were last updated today.
How many operators does momondo search for flights from Billings Logan Intl Airport to Washington, D.C. Reagan-National Airport?
There are 2 operators available for flights from Billings Logan Intl Airport to Washington, D.C. Reagan-National Airport as of October 2026.
How old do you have to be to fly from Billings Logan Intl Airport to Washington, D.C. Reagan-National Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Billings Logan Intl Airport to Washington, D.C. Reagan-National Airport.
What documentation or ID do you need to fly to Washington, D.C. Reagan-National Airport?
The necessary travel and health documents for your Washington, D.C. Reagan-National Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Billings to Washington, D.C. Reagan-National Airport?
momondo data reveals that the most frequently booked airline on the route from Billings to Washington, D.C. Reagan-National Airport is Delta, representing 74% of all bookings. The subsequent popular airline is American Airlines at 26%.

Best airlines flying from Billings to Washington, D.C. Reagan-National Airport

Compare and see reviews for airlines that fly from Billings to Washington, D.C. Reagan-National Airport with momondo

Airline	Rating	Free Cancellation	Price
American Airlines	PriceFrom $328	Free Cancellation	Rating 7.0 12,177 reviews		Search American Airlines flights
Delta	PriceFrom $373	Free Cancellation	Rating 7.8 8,663 reviews		Search Delta flights

Alexandria

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Edgewood

Glen Burnie

College Park

Colonial Beach

Bethesda

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

All flight searches from Billings to Washington, D.C. on momondo can be filtered to show those which offer flexible booking policies.

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

momondo provides multiple filters to help you find the best flight to Washington, D.C. from Billings. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Yes momondo offers price alerts on flights to Washington, D.C. from Billings. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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Cheap flights from Billings to Washington, D.C. from $299

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 12/31. 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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American Airlines flights from Billings to Washington, D.C. Reagan-National Airport

Our best American Airlines deals on Billings to Washington, D.C. Reagan-National Airport flight tickets

Alaska Airlines flights from Billings to Washington, D.C. Reagan-National Airport

Our best Alaska Airlines deals on Billings to Washington, D.C. Reagan-National Airport flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Billings to Washington, D.C. Reagan-National Airport that are best for you.

See travel insights to Washington, D.C. from

How to get the cheapest flight ticket from Billings to Washington, D.C. Reagan-National Airport

What is the cheapest month to fly to Washington, D.C. Reagan-National Airport?

Can stopping save me money on Billings to Washington, D.C. Reagan-National Airport flights?

What is the cheapest airline that flies from Billings Logan Intl to Washington, D.C. Reagan-National?

When to book flights from Billings to Washington, D.C. Reagan-National Airport

Cheap Billings to Washington, D.C. Reagan-National Airport (BIL to DCA) flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from Billings to Washington, D.C. Reagan-National Airport

Best airlines flying from Billings to Washington, D.C. Reagan-National Airport

Compare and see reviews for airlines that fly from Billings to Washington, D.C. Reagan-National Airport with momondo

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Why use momondo?

An easier way to manage your Washington, D.C. Reagan-National Airport trip

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Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Washington, D.C.

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