Which layover airport offers the lowest fares from Boise to Washington, D.C.?

Flights via Denver (DEN) offer the lowest average round-trip price of $593.

What is the cheapest airline that flies from Boise Air Term. Gowen Fld to Washington, D.C.?

Frontier, United Airlines, and Delta are the most popular carriers operating from Boise Air Term. Gowen Fld to Washington, D.C.

Which layover airport has the shortest connection time from Boise to Washington, D.C.?

Denver (DEN) has the shortest average layover time for this route: 1h 08m.

Which layover airport has the shortest travel time from Boise to Washington, D.C.?

Flights connecting via Minneapolis (MSP) have the shortest average one-way travel time: 6h 08m.

What airlines fly to Washington, D.C.?

Delta, United Airlines and Southwest are the top three most popular airlines that fly to Washington, D.C. from Boise according to our data. Delta is the first choice among our users, with 39% of people opting to fly with this airline when traveling to Washington, D.C.. Keep in mind that there are 5 different airlines that fly to Washington, D.C. on a routine basis, so you have a few additional options to choose from.

Which airport is the most popular layover for flights between Boise and Washington, D.C.?

Minneapolis (MSP) was the most common stop: 50% of momondo users choosing 1-stop flights on this route connected there.

When did momondo last update prices for flights from Boise Air Term. Gowen Fld Airport to Washington, D.C.?

Prices for flights from Boise Air Term. Gowen Fld Airport to Washington, D.C. are updated daily.

How many operators does momondo search for flights from Boise Air Term. Gowen Fld Airport to Washington, D.C.?

As of October 2026, there are 5 operators available to choose from for flights from Boise Air Term. Gowen Fld Airport to Washington, D.C..

How old do you have to be to fly from Boise Air Term. Gowen Fld Airport to Washington, D.C.?

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 Boise Air Term. Gowen Fld Airport to Washington, D.C..

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

The required travel and health documents for your Washington, D.C. trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Washington, D.C.. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$137 Cheap Flights from Boise to Washington, D.C. in 2026/27

Discover deals from 900+ travel sites with momondo.

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

Round-trip

One-way

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Cheap round-trip flights

Enter your travel dates to find the best prices.

8:30 pm - 5:40 amBOI Boise Air Term. Gowen Fld-BWI Baltimore/Washington

7h 10m1 stop Las Vegas Harry Reid Intl

10:15 am - 4:05 pmBWI Baltimore/Washington-BOI Boise Air Term. Gowen Fld

7h 50m1 stop Denver Intl

$321Southwest

Mon, Jan 4 - Wed, Jan 13

1:05 pm - 9:45 pmBOI Boise Air Term. Gowen Fld-BWI Baltimore/Washington

6h 40m1 stop Denver Intl

3:05 pm - 11:05 pmBWI Baltimore/Washington-BOI Boise Air Term. Gowen Fld

10h 00m1 stop Denver Intl

$321Southwest

Tue, Jan 5 - Wed, Jan 13

5:30 am - 2:05 pmBOI Boise Air Term. Gowen Fld-BWI Baltimore/Washington

6h 35m1 stop Minneapolis St Paul

8:00 am - 1:44 pmBWI Baltimore/Washington-BOI Boise Air Term. Gowen Fld

7h 44m1 stop Atlanta Hartsfield-Jackson

$321Delta

Fri, Nov 27 - Fri, Dec 4

1:15 pm - 11:40 pmBOI Boise Air Term. Gowen Fld-BWI Baltimore/Washington

8h 25m1 stop Salt Lake City

6:00 am - 12:39 pmBWI Baltimore/Washington-BOI Boise Air Term. Gowen Fld

8h 39m1 stop Atlanta Hartsfield-Jackson

$321Delta

Sat, Feb 6 - Tue, Feb 16

8:15 am - 7:01 pmBOI Boise Air Term. Gowen Fld-IAD Washington, D.C. Dulles Intl

8h 46m1 stop San Francisco

8:15 am - 2:50 pmIAD Washington, D.C. Dulles Intl-BOI Boise Air Term. Gowen Fld

8h 35m1 stop San Francisco

$321United Airlines

Thu, Nov 26 - Sat, Dec 5

2:51 pm - 11:15 pmBOI Boise Air Term. Gowen Fld-IAD Washington, D.C. Dulles Intl

6h 24m1 stop Denver Intl

5:20 pm - 10:59 pmIAD Washington, D.C. Dulles Intl-BOI Boise Air Term. Gowen Fld

7h 39m1 stop Denver Intl

$321United Airlines

Wed, Nov 11 - Wed, Nov 18

1:24 pm - 11:55 pmBOI Boise Air Term. Gowen Fld-BWI Baltimore/Washington

8h 31m1 stop Chicago O'Hare Intl

7:18 am - 12:37 pmBWI Baltimore/Washington-BOI Boise Air Term. Gowen Fld

7h 19m1 stop Chicago O'Hare Intl

$321American Airlines

Thu, Nov 12 - Sat, Nov 14

6:07 am - 4:23 pmBOI Boise Air Term. Gowen Fld-BWI Baltimore/Washington

8h 16m1 stop Chicago O'Hare Intl

12:39 pm - 8:06 pmBWI Baltimore/Washington-BOI Boise Air Term. Gowen Fld

9h 27m1 stop Dallas/Fort Worth

$321American Airlines

Tue, Jan 5 - Wed, Jan 13

12:58 pm - 11:59 pmBOI Boise Air Term. Gowen Fld-IAD Washington, D.C. Dulles Intl

9h 01m1 stop Seattle/Tacoma Intl

7:02 am - 3:23 pmIAD Washington, D.C. Dulles Intl-BOI Boise Air Term. Gowen Fld

10h 21m1 stop Seattle/Tacoma Intl

$353Alaska Airlines

Wed, Oct 28 - Sat, Oct 31

2:06 pm - 11:59 pmBOI Boise Air Term. Gowen Fld-IAD Washington, D.C. Dulles Intl

7h 53m1 stop Seattle/Tacoma Intl

7:02 am - 2:11 pmIAD Washington, D.C. Dulles Intl-BOI Boise Air Term. Gowen Fld

9h 09m1 stop Seattle/Tacoma Intl

$383Alaska Airlines

Wed, Oct 28 - Sat, Oct 31

Cheap last minute flights

Enter your travel dates to find the best prices.

2:41 pm - 11:59 pmBOI Boise Air Term. Gowen Fld-DCA Washington, D.C. Reagan-National

7h 18m1 stop Dallas/Fort Worth

10:00 am - 4:59 pmDCA Washington, D.C. Reagan-National-BOI Boise Air Term. Gowen Fld

8h 59m1 stop Phoenix Sky Harbor Intl

$383American Airlines

Tue, Oct 20 - Tue, Oct 27

12:08 pm - 10:49 pmBOI Boise Air Term. Gowen Fld-IAD Washington, D.C. Dulles Intl

8h 41m1 stop Seattle/Tacoma Intl

6:59 pm - 11:59 pmIAD Washington, D.C. Dulles Intl-BOI Boise Air Term. Gowen Fld

7h 00m1 stop Minneapolis St Paul

$383Delta

Tue, Oct 20 - Tue, Oct 27

12:55 pm - 11:55 pmBOI Boise Air Term. Gowen Fld-DCA Washington, D.C. Reagan-National

9h 00m2 stops Denver Intl Dallas Love Field

4:40 pm - 11:15 pmDCA Washington, D.C. Reagan-National-BOI Boise Air Term. Gowen Fld

8h 35m1 stop Las Vegas Harry Reid Intl

$446Southwest

Tue, Oct 20 - Tue, Oct 27

12:55 pm - 11:55 pmBOI Boise Air Term. Gowen Fld-DCA Washington, D.C. Reagan-National

9h 00m2 stops Denver Intl Dallas Love Field

4:00 pm - 11:55 pmDCA Washington, D.C. Reagan-National-BOI Boise Air Term. Gowen Fld

9h 55m2 stops Nashville Intl Phoenix Sky Harbor Intl

$451Southwest

Tue, Oct 20 - Tue, Oct 27

11:10 pm - 9:19 amBOI Boise Air Term. Gowen Fld-IAD Washington, D.C. Dulles Intl

8h 09m1 stop Atlanta Hartsfield-Jackson

6:13 am - 10:42 amIAD Washington, D.C. Dulles Intl-BOI Boise Air Term. Gowen Fld

6h 29m1 stop Salt Lake City

$491Delta

Sun, Oct 18 - Sun, Oct 25

2:50 pm - 6:20 amBOI Boise Air Term. Gowen Fld-IAD Washington, D.C. Dulles Intl

13h 30m1 stop Las Vegas Harry Reid Intl

6:00 am - 1:55 pmIAD Washington, D.C. Dulles Intl-BOI Boise Air Term. Gowen Fld

9h 55m1 stop Las Vegas Harry Reid Intl

$535Frontier

Thu, Oct 15 - Sun, Oct 18

2:50 pm - 6:20 amBOI Boise Air Term. Gowen Fld-IAD Washington, D.C. Dulles Intl

13h 30m1 stop Las Vegas Harry Reid Intl

6:00 am - 1:55 pmIAD Washington, D.C. Dulles Intl-BOI Boise Air Term. Gowen Fld

9h 55m1 stop Las Vegas Harry Reid Intl

$545Frontier

Fri, Oct 16 - Mon, Oct 19

12:26 pm - 9:02 pmBOI Boise Air Term. Gowen Fld-BWI Baltimore/Washington

6h 36m1 stop Chicago O'Hare Intl

6:29 am - 11:28 amBWI Baltimore/Washington-BOI Boise Air Term. Gowen Fld

6h 59m1 stop Chicago O'Hare Intl

$763United Airlines

Thu, Oct 15 - Sun, Oct 18

12:26 pm - 10:52 pmBOI Boise Air Term. Gowen Fld-IAD Washington, D.C. Dulles Intl

8h 26m1 stop Chicago O'Hare Intl

10:10 pm - 11:31 amIAD Washington, D.C. Dulles Intl-BOI Boise Air Term. Gowen Fld

15h 21m2 stops New York LaGuardia Chicago O'Hare Intl

$895United Airlines

Sun, Oct 18 - Sun, Oct 25

10:06 am - 9:59 pmBOI Boise Air Term. Gowen Fld-DCA Washington, D.C. Reagan-National

9h 53m1 stop Seattle/Tacoma Intl

5:25 pm - 11:54 pmDCA Washington, D.C. Reagan-National-BOI Boise Air Term. Gowen Fld

8h 29m1 stop Portland

$1,227Alaska Airlines

Fri, Oct 16 - Mon, Oct 19

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

Our best Alaska Airlines deals on Boise to Washington, D.C. flight tickets

Alaska Airlines

Oct 28

BOI12:58 pmBoise Air Term. Gowen Fld

9h 01m

1 stop

IAD11:59 pmWashington, D.C. Dulles Intl

Oct 31

IAD7:02 amWashington, D.C. Dulles Intl

10h 21m

1 stop

BOI3:23 pmBoise Air Term. Gowen Fld

$353

Alaska Airlines

Nov 6

BOI12:49 pmBoise Air Term. Gowen Fld

14h 51m

1 stop

BWI5:40 amBaltimore/Washington

Nov 16

BWI6:15 pmBaltimore/Washington

16h 52m

1 stop

BOI9:07 amBoise Air Term. Gowen Fld

$360

Alaska Airlines

Oct 28

BOI2:06 pmBoise Air Term. Gowen Fld

7h 53m

1 stop

IAD11:59 pmWashington, D.C. Dulles Intl

Oct 31

IAD7:02 amWashington, D.C. Dulles Intl

9h 09m

1 stop

BOI2:11 pmBoise Air Term. Gowen Fld

$383

Frontier flights from Boise to Washington, D.C.

Our best Frontier deals on Boise to Washington, D.C. flight tickets

Frontier

Oct 22

BOI2:50 pmBoise Air Term. Gowen Fld

13h 30m

1 stop

IAD6:20 amWashington, D.C. Dulles Intl

Oct 26

IAD6:00 amWashington, D.C. Dulles Intl

9h 55m

1 stop

BOI1:55 pmBoise Air Term. Gowen Fld

$330

Frontier

Oct 22

BOI2:50 pmBoise Air Term. Gowen Fld

13h 30m

1 stop

IAD6:20 amWashington, D.C. Dulles Intl

Oct 26

IAD6:00 amWashington, D.C. Dulles Intl

9h 55m

1 stop

BOI1:55 pmBoise Air Term. Gowen Fld

$331

Frontier

Oct 22

BOI2:50 pmBoise Air Term. Gowen Fld

13h 30m

1 stop

IAD6:20 amWashington, D.C. Dulles Intl

Oct 26

IAD6:00 amWashington, D.C. Dulles Intl

9h 55m

1 stop

BOI1:55 pmBoise Air Term. Gowen Fld

$381

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BoiseBaltimore

BOI Boise Air Term. Gowen Fld - BWI Baltimore/Washington

BOIBWI

Boise Air Term. Gowen Fld

Mon 1/4

8:30 pm-5:40 am

1 stop7h 10m

Baltimore/Washington

Wed 1/13

10:15 am-4:05 pm

1 stop7h 50m

$321

BoiseBaltimore

BOI Boise Air Term. Gowen Fld - BWI Baltimore/Washington

BOIBWI

Boise Air Term. Gowen Fld

Tue 1/5

1:05 pm-9:45 pm

1 stop6h 40m

Baltimore/Washington

Wed 1/13

3:05 pm-11:05 pm

1 stop10h 00m

$321

BoiseBaltimore

BOI Boise Air Term. Gowen Fld - BWI Baltimore/Washington

BOIBWI

Boise Air Term. Gowen Fld

Fri 11/27

5:30 am-2:05 pm

1 stop6h 35m

Baltimore/Washington

Fri 12/4

8:00 am-1:44 pm

1 stop7h 44m

$321

BoiseBaltimore

BOI Boise Air Term. Gowen Fld - BWI Baltimore/Washington

BOIBWI

Boise Air Term. Gowen Fld

Sat 2/6

1:15 pm-11:40 pm

1 stop8h 25m

Baltimore/Washington

Tue 2/16

6:00 am-12:39 pm

1 stop8h 39m

$321

BoiseWashington, D.C.

BOI Boise Air Term. Gowen Fld - IAD Washington, D.C. Dulles Intl

BOIIAD

Boise Air Term. Gowen Fld

Thu 11/26

8:15 am-7:01 pm

1 stop8h 46m

Washington, D.C. Dulles Intl

Sat 12/5

8:15 am-2:50 pm

1 stop8h 35m

$321

Quickest round-trip

BoiseWashington, D.C.

BOI Boise Air Term. Gowen Fld - IAD Washington, D.C. Dulles Intl

BOIIAD

Boise Air Term. Gowen Fld

Wed 11/11

2:51 pm-11:15 pm

1 stop6h 24m

Washington, D.C. Dulles Intl

Wed 11/18

5:20 pm-10:59 pm

1 stop7h 39m

$321

BoiseBaltimore

BOI Boise Air Term. Gowen Fld - BWI Baltimore/Washington

BOIBWI

Boise Air Term. Gowen Fld

Thu 11/12

1:24 pm-11:55 pm

1 stop8h 31m

Baltimore/Washington

Sat 11/14

7:18 am-12:37 pm

1 stop7h 19m

$321

BoiseBaltimore

BOI Boise Air Term. Gowen Fld - BWI Baltimore/Washington

BOIBWI

Boise Air Term. Gowen Fld

Tue 1/5

6:07 am-4:23 pm

1 stop8h 16m

Baltimore/Washington

Wed 1/13

12:39 pm-8:06 pm

1 stop9h 27m

$321

BoiseWashington, D.C.

BOI Boise Air Term. Gowen Fld - IAD Washington, D.C. Dulles Intl

BOIIAD

Boise Air Term. Gowen Fld

Wed 10/28

12:58 pm-11:59 pm

1 stop9h 01m

Washington, D.C. Dulles Intl

Sat 10/31

7:02 am-3:23 pm

1 stop10h 21m

$353

BoiseWashington, D.C.

BOI Boise Air Term. Gowen Fld - IAD Washington, D.C. Dulles Intl

BOIIAD

Boise Air Term. Gowen Fld

Wed 10/28

2:06 pm-11:59 pm

1 stop7h 53m

Washington, D.C. Dulles Intl

Sat 10/31

7:02 am-2:11 pm

1 stop9h 09m

$383

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 Boise 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

Prices

Airlines

Layovers

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

Prices are currently low for flights on this route.

Typical prices usually range from $346 to $462.
The lowest price recently found on this route was $321.

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

The month of February is, on average, the cheapest month to fly to Washington, D.C. from Boise, with most prices found around $380. If you’re not able to fly to Washington, D.C. in February, then October is your next best option. Flight prices from Boise to Washington, D.C. during October average around $392.

How have Boise to Washington, D.C. flight prices changed over time?

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

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

Estimated round-trip price

Cheap Boise to Washington, D.C. (BOI to WAS) flight deals and tips

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

Best Price Found	$137
Fastest flight time	5h 57m
Direct flights	None

The best one-way flight to Washington, D.C. from Boise in the past 72 hours is $137. The best round-trip flight deal from Boise to Washington, D.C. found on momondo in the last 72 hours is $321.

The fastest flight from Boise to Washington, D.C. takes 5h 57m

There are no direct flights from Boise to Washington, D.C.. There are no popular flight routes from Boise to Washington, D.C..

Search flight deals

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

How far is Boise Air Term. Gowen Fld to Washington, D.C. by plane?
There are 2039.5 mi between Boise Air Term. Gowen Fld and Washington, D.C.. A reasonable flight in good conditions will take 5h 57m.
When did momondo last update prices for flights from Boise Air Term. Gowen Fld Airport to Washington, D.C.?
Prices for flights from Boise Air Term. Gowen Fld Airport to Washington, D.C. are updated daily.
How many operators does momondo search for flights from Boise Air Term. Gowen Fld Airport to Washington, D.C.?
As of October 2026, there are 5 operators available to choose from for flights from Boise Air Term. Gowen Fld Airport to Washington, D.C..
How old do you have to be to fly from Boise Air Term. Gowen Fld Airport to Washington, D.C.?
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 Boise Air Term. Gowen Fld Airport to Washington, D.C..
What documentation or ID do you need to fly to Washington, D.C.?
The required travel and health documents for your Washington, D.C. trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Washington, D.C.. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular airline from Boise to Washington, D.C.?
momondo data reveals that the most frequently booked airline on the route from Boise to Washington, D.C. is Delta, representing 47% of all bookings. The subsequent popular airlines are United Airlines at 18%, Southwest at 15%, and Alaska Airlines at 11%.

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

Compare and see reviews for airlines that fly from Boise to Washington, D.C. with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $176	Free Cancellation	Rating 7.8 8,654 reviews	Search Delta flights
Alaska Airlines	PriceFrom $245	Free Cancellation	Rating 7.9 13,072 reviews	Search Alaska Airlines flights
United Airlines	PriceFrom $262	Free Cancellation	Rating 7.4 10,366 reviews	Search United Airlines flights
American Airlines	PriceFrom $294	Free Cancellation	Rating 7.0 12,168 reviews	Search American Airlines flights
Southwest	PriceFrom $340	Free Cancellation	Rating 7.9 4,215 reviews	Search Southwest flights

Alexandria

National Harbor

Arlington

Gettysburg

Fredericksburg

Waldorf

Laurel

Woodbridge

Gaithersburg

Linthicum Heights

Rockville

Silver Spring

Towson

Fairfax

Springfield

Edgewood

Glen Burnie

College Park

Colonial Beach

Bethesda

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Washington, D.C. from Boise.

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

All flight searches from Boise 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 Boise to Washington, D.C.?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Boise to Washington, D.C..

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

Yes. momondo can track prices for Boise to Washington, D.C. 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.

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

Washington, D.C. Reagan-National Airport

Washington, D.C. Dulles Intl Airport

Cheap flights from Boise to Washington, D.C. from $137

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Boise to Washington, D.C. departing on 12/21. 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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Alaska Airlines flights from Boise to Washington, D.C.

Our best Alaska Airlines deals on Boise to Washington, D.C. flight tickets

Frontier flights from Boise to Washington, D.C.

Our best Frontier deals on Boise to Washington, D.C. flight tickets

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

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

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

How have Boise to Washington, D.C. flight prices changed over time?

What is the cheapest airline that flies from Boise Air Term. Gowen Fld to Washington, D.C.?

What airlines fly to Washington, D.C.?

Which airport is the most popular layover for flights between Boise and Washington, D.C.?

Which layover airport offers the lowest fares from Boise to Washington, D.C.?

Which layover airport has the shortest travel time from Boise to Washington, D.C.?

Which layover airport has the shortest connection time from Boise to Washington, D.C.?

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

Cheap Boise to Washington, D.C. (BOI to WAS) flight deals and tips

Best Price Found

Fastest flight time

Direct flights

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

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

Compare and see reviews for airlines that fly from Boise to Washington, D.C. with momondo

Traveling to a place near Washington, D.C.?

Why use momondo?

An easier way to manage your Washington, D.C. trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

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

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.

Fly your favorite airline to Washington, D.C.

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Washington, D.C.

List of cabin classes available on flights landing in Washington, D.C.. Availability may vary depending on flight origin and airline.

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