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 37% 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.

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

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

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

Denver (DEN) was the most common stop: 67% of momondo users choosing 1-stop flights on this route connected there.

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

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

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.

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 August 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.

$128 Cheap Flights from Boise to Washington, D.C. in 2026

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.

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

$244Frontier

Thu, Oct 8 - Mon, Oct 12

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

$244Frontier

Thu, Oct 8 - Thu, Oct 15

2:11 pm - 12:41 amBOI Boise Air Term. Gowen Fld-IAD Washington, D.C. Dulles Intl

8h 30m1 stop Atlanta Hartsfield-Jackson

7:00 am - 12:16 pmIAD Washington, D.C. Dulles Intl-BOI Boise Air Term. Gowen Fld

7h 16m1 stop Salt Lake City

$303Delta

Tue, Sep 22 - Tue, Sep 29

10:34 am - 10:49 pmBOI Boise Air Term. Gowen Fld-IAD Washington, D.C. Dulles Intl

10h 15m1 stop Seattle/Tacoma Intl

7:23 am - 12:35 pmIAD Washington, D.C. Dulles Intl-BOI Boise Air Term. Gowen Fld

7h 12m1 stop Minneapolis St Paul

$303Delta

Mon, Oct 26 - Thu, Oct 29

7:10 pm - 5:35 amBOI Boise Air Term. Gowen Fld-IAD Washington, D.C. Dulles Intl

8h 25m1 stop San Francisco

6:11 am - 11:31 amIAD Washington, D.C. Dulles Intl-BOI Boise Air Term. Gowen Fld

7h 20m1 stop Chicago O'Hare Intl

$303United Airlines

Mon, Oct 26 - Thu, Oct 29

2:41 pm - 11:19 pmBOI Boise Air Term. Gowen Fld-IAD Washington, D.C. Dulles Intl

6h 38m1 stop Denver Intl

2:47 pm - 9:39 pmIAD Washington, D.C. Dulles Intl-BOI Boise Air Term. Gowen Fld

8h 52m1 stop San Francisco

$303United Airlines

Sat, Sep 19 - Sat, Sep 26

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

7h 10m1 stop Las Vegas Harry Reid Intl

3:50 pm - 12:05 amBWI Baltimore/Washington-BOI Boise Air Term. Gowen Fld

10h 15m1 stop San Diego

$303Southwest

Mon, Nov 2 - Thu, Nov 5

3:20 pm - 11:20 pmBOI Boise Air Term. Gowen Fld-BWI Baltimore/Washington

6h 00m1 stop Denver Intl

4:40 pm - 11:35 pmBWI Baltimore/Washington-BOI Boise Air Term. Gowen Fld

8h 55m1 stop San Diego

$303Southwest

Wed, Oct 28 - Thu, Oct 29

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

$303American Airlines

Thu, Nov 5 - Sat, Nov 7

3:21 pm - 11:59 pmBOI Boise Air Term. Gowen Fld-DCA Washington, D.C. Reagan-National

6h 38m1 stop Chicago O'Hare Intl

8:40 am - 2:31 pmDCA Washington, D.C. Reagan-National-BOI Boise Air Term. Gowen Fld

7h 51m1 stop Chicago O'Hare Intl

$303American Airlines

Tue, Sep 22 - Tue, Sep 29

Cheap last minute flights

Enter your travel dates to find the best prices.

6:23 am - 4:20 pmBOI Boise Air Term. Gowen Fld-DCA Washington, D.C. Reagan-National

7h 57m1 stop Seattle/Tacoma Intl

7:00 am - 12:29 pmDCA Washington, D.C. Reagan-National-BOI Boise Air Term. Gowen Fld

7h 29m1 stop Denver Intl

$334Multiple Airlines

Fri, Aug 28 - Tue, Sep 1

1:59 pm - 12:34 amBOI Boise Air Term. Gowen Fld-IAD Washington, D.C. Dulles Intl

8h 35m1 stop Atlanta Hartsfield-Jackson

7:10 am - 3:18 pmIAD Washington, D.C. Dulles Intl-BOI Boise Air Term. Gowen Fld

10h 08m1 stop Seattle/Tacoma Intl

$363Delta

Fri, Aug 28 - Tue, Sep 1

12:24 pm - 9:59 pmBOI Boise Air Term. Gowen Fld-DCA Washington, D.C. Reagan-National

7h 35m1 stop Denver Intl

1:59 pm - 12:29 pmDCA Washington, D.C. Reagan-National-BOI Boise Air Term. Gowen Fld

24h 30m1 stop Denver Intl

$382Frontier

Thu, Aug 27 - Mon, Aug 31

12:10 pm - 11:55 pmBOI Boise Air Term. Gowen Fld-DCA Washington, D.C. Reagan-National

9h 45m1 stop Chicago Midway

3:50 pm - 11:10 pmDCA Washington, D.C. Reagan-National-BOI Boise Air Term. Gowen Fld

9h 20m2 stops Nashville Intl Denver Intl

$432Southwest

Fri, Aug 28 - Tue, Sep 1

11:30 am - 10:30 pmBOI Boise Air Term. Gowen Fld-DCA Washington, D.C. Reagan-National

9h 00m2 stops Denver Intl Nashville Intl

2:40 pm - 11:10 pmDCA Washington, D.C. Reagan-National-BOI Boise Air Term. Gowen Fld

10h 30m2 stops Lambert-St Louis Denver Intl

$461Southwest

Fri, Aug 28 - Tue, Sep 1

3:19 pm - 11:58 pmBOI Boise Air Term. Gowen Fld-BWI Baltimore/Washington

6h 39m1 stop Chicago O'Hare Intl

3:55 pm - 10:11 pmBWI Baltimore/Washington-BOI Boise Air Term. Gowen Fld

8h 16m1 stop Dallas/Fort Worth

$640American Airlines

Fri, Aug 28 - Tue, Sep 1

12:12 pm - 10:58 pmBOI Boise Air Term. Gowen Fld-BWI Baltimore/Washington

8h 46m2 stops Dallas/Fort Worth Charlotte Douglas

3:55 pm - 10:11 pmBWI Baltimore/Washington-BOI Boise Air Term. Gowen Fld

8h 16m1 stop Dallas/Fort Worth

$645American Airlines

Fri, Aug 28 - Tue, Sep 1

5:52 pm - 5:40 amBOI Boise Air Term. Gowen Fld-IAD Washington, D.C. Dulles Intl

9h 48m1 stop Seattle/Tacoma Intl

9:03 am - 7:08 pmIAD Washington, D.C. Dulles Intl-BOI Boise Air Term. Gowen Fld

12h 05m2 stops Seattle/Tacoma Intl Spokane

$710Alaska Airlines

Fri, Aug 28 - Tue, Sep 1

7:48 pm - 6:30 amBOI Boise Air Term. Gowen Fld-BWI Baltimore/Washington

8h 42m1 stop Seattle/Tacoma Intl

4:43 pm - 11:55 pmBWI Baltimore/Washington-BOI Boise Air Term. Gowen Fld

9h 12m1 stop Portland

$743Alaska Airlines

Thu, Aug 27 - Mon, Aug 31

6:00 am - 6:35 pmBOI Boise Air Term. Gowen Fld-BWI Baltimore/Washington

10h 35m2 stops Salt Lake City Atlanta Hartsfield-Jackson

5:36 pm - 11:59 pmBWI Baltimore/Washington-BOI Boise Air Term. Gowen Fld

8h 23m2 stops Detroit Metropolitan Wayne County Minneapolis St Paul

$753Delta

Thu, Aug 27 - Mon, Aug 31

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Frontier flights from Boise to Washington, D.C.

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

Frontier

Oct 8

BOI2:50 pmBoise Air Term. Gowen Fld

13h 30m

1 stop

IAD6:20 amWashington, D.C. Dulles Intl

Oct 12

IAD6:00 amWashington, D.C. Dulles Intl

9h 55m

1 stop

BOI1:55 pmBoise Air Term. Gowen Fld

$244

Frontier

Sep 18

BOI2:50 pmBoise Air Term. Gowen Fld

13h 30m

1 stop

IAD6:20 amWashington, D.C. Dulles Intl

Sep 21

IAD6:00 amWashington, D.C. Dulles Intl

9h 55m

1 stop

BOI1:55 pmBoise Air Term. Gowen Fld

$263

Frontier

Oct 5

BOI2:50 pmBoise Air Term. Gowen Fld

13h 30m

1 stop

IAD6:20 amWashington, D.C. Dulles Intl

Oct 12

IAD6:00 amWashington, D.C. Dulles Intl

9h 55m

1 stop

BOI1:55 pmBoise Air Term. Gowen Fld

$314

Delta flights from Boise to Washington, D.C.

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

Delta

Sep 22

BOI10:34 amBoise Air Term. Gowen Fld

10h 22m

1 stop

IAD10:56 pmWashington, D.C. Dulles Intl

Sep 29

IAD7:25 amWashington, D.C. Dulles Intl

9h 51m

1 stop

BOI3:16 pmBoise Air Term. Gowen Fld

$303

Delta

Oct 24

BOI11:32 amBoise Air Term. Gowen Fld

9h 51m

2 stops

BWI11:23 pmBaltimore/Washington

Oct 31

BWI7:20 amBaltimore/Washington

10h 54m

2 stops

BOI4:14 pmBoise Air Term. Gowen Fld

$313

Delta

Oct 28

BOI3:00 pmBoise Air Term. Gowen Fld

6h 23m

1 stop

BWI11:23 pmBaltimore/Washington

Oct 30

BWI10:21 amBaltimore/Washington

9h 38m

2 stops

BOI5:59 pmBoise Air Term. Gowen Fld

$319

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BoiseWashington, D.C.

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

BOIIAD

Boise Air Term. Gowen Fld

Thu 10/8

2:50 pm-6:20 am

1 stop13h 30m

Washington, D.C. Dulles Intl

Mon 10/12

6:00 am-1:55 pm

1 stop9h 55m

$244

BoiseWashington, D.C.

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

BOIIAD

Boise Air Term. Gowen Fld

Thu 10/8

2:50 pm-6:20 am

1 stop13h 30m

Washington, D.C. Dulles Intl

Thu 10/15

6:00 am-1:55 pm

1 stop9h 55m

$244

BoiseWashington, D.C.

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

BOIIAD

Boise Air Term. Gowen Fld

Tue 9/22

2:11 pm-12:41 am

1 stop8h 30m

Washington, D.C. Dulles Intl

Tue 9/29

7:00 am-12:16 pm

1 stop7h 16m

$303

BoiseWashington, D.C.

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

BOIIAD

Boise Air Term. Gowen Fld

Mon 10/26

10:34 am-10:49 pm

1 stop10h 15m

Washington, D.C. Dulles Intl

Thu 10/29

7:23 am-12:35 pm

1 stop7h 12m

$303

BoiseWashington, D.C.

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

BOIIAD

Boise Air Term. Gowen Fld

Mon 10/26

7:10 pm-5:35 am

1 stop8h 25m

Washington, D.C. Dulles Intl

Thu 10/29

6:11 am-11:31 am

1 stop7h 20m

$303

BoiseWashington, D.C.

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

BOIIAD

Boise Air Term. Gowen Fld

Sat 9/19

2:41 pm-11:19 pm

1 stop6h 38m

Washington, D.C. Dulles Intl

Sat 9/26

2:47 pm-9:39 pm

1 stop8h 52m

$303

BoiseBaltimore

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

BOIBWI

Boise Air Term. Gowen Fld

Mon 11/2

8:30 pm-5:40 am

1 stop7h 10m

Baltimore/Washington

Thu 11/5

3:50 pm-12:05 am

1 stop10h 15m

$303

BoiseBaltimore

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

BOIBWI

Boise Air Term. Gowen Fld

Wed 10/28

3:20 pm-11:20 pm

1 stop6h 00m

Baltimore/Washington

Thu 10/29

4:40 pm-11:35 pm

1 stop8h 55m

$303

BoiseBaltimore

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

BOIBWI

Boise Air Term. Gowen Fld

Thu 11/5

1:24 pm-11:55 pm

1 stop8h 31m

Baltimore/Washington

Sat 11/7

7:18 am-12:37 pm

1 stop7h 19m

$303

Quickest round-trip

BoiseWashington, D.C.

BOI Boise Air Term. Gowen Fld - DCA Washington, D.C. Reagan-National

BOIDCA

Boise Air Term. Gowen Fld

Tue 9/22

3:21 pm-11:59 pm

1 stop6h 38m

Washington, D.C. Reagan-National

Tue 9/29

8:40 am-2:31 pm

1 stop7h 51m

$303

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 $324 to $563.
The lowest price recently found on this route was $244.

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 May is your next best option. Flight prices from Boise to Washington, D.C. during May average around $394.

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	$128
Fastest flight time	6h 00m
Direct flights	None

The best one-way flight to Washington, D.C. from Boise in the past 72 hours is $128. The best round-trip flight deal from Boise to Washington, D.C. found on momondo in the last 72 hours is $244.

The fastest flight from Boise to Washington, D.C. takes 6h 00m

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 6h 00m.
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 August 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 37% of all bookings. The subsequent popular airlines are United Airlines at 20%, Southwest at 17%, and Alaska Airlines at 10%.

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 8,529 reviews	Search Delta flights
Alaska Airlines	PriceFrom $245	Free Cancellation	Rating 7.9 12,841 reviews	Search Alaska Airlines flights
United Airlines	PriceFrom $278	Free Cancellation	Rating 7.4 10,123 reviews	Search United Airlines flights
American Airlines	PriceFrom $296	Free Cancellation	Rating 7.1 11,998 reviews	Search American Airlines flights
Southwest	PriceFrom $335	Free Cancellation	Rating 8.0 4,204 reviews	Search Southwest flights

Alexandria

National Harbor

Arlington

Gettysburg

Laurel

Waldorf

Fredericksburg

Woodbridge

Gaithersburg

Linthicum Heights

Rockville

Silver Spring

Towson

Springfield

Colonial Beach

Fairfax

Edgewood

Glen Burnie

Tysons

College Park

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 $128

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 9/17. 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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Frontier flights from Boise to Washington, D.C.

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

Delta flights from Boise to Washington, D.C.

Our best Delta 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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