Cheap flights from Boise to Washington, D.C. from $99

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 8/11. 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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Cheap round-trip flights

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Delta Logo
10:35 am - 10:49 pm
BOI
-
IAD
10h 14m
1 stop
Delta Logo
7:10 am - 3:12 pm
IAD
-
BOI
10h 02m
1 stop
$197Delta
Tue, Sep 22 - Tue, Sep 29
American Airlines Logo
3:21 pm - 11:59 pm
BOI
-
DCA
6h 38m
1 stop
American Airlines Logo
8:40 am - 2:31 pm
DCA
-
BOI
7h 51m
1 stop
$197American Airlines
Tue, Sep 22 - Tue, Sep 29
Delta Logo
6:39 pm - 6:20 am
BOI
-
BWI
9h 41m
1 stop
Delta Logo
7:39 am - 12:14 pm
BWI
-
BOI
6h 35m
1 stop
$197Delta
Tue, Aug 18 - Tue, Aug 25
American Airlines Logo
3:21 pm - 11:59 pm
BOI
-
DCA
6h 38m
1 stop
American Airlines Logo
8:40 am - 2:31 pm
DCA
-
BOI
7h 51m
1 stop
$214American Airlines
Sat, Sep 19 - Tue, Sep 22
Delta Logo
5:20 am - 1:33 pm
BOI
-
IAD
6h 13m
1 stop
Delta Logo
6:47 pm - 11:55 pm
IAD
-
BOI
7h 08m
1 stop
$214Delta
Sat, Sep 19 - Tue, Sep 22
Frontier Logo
1:24 pm - 12:51 pm
BOI
-
DCA
21h 27m
1 stop
Frontier Logo
7:00 am - 12:29 pm
DCA
-
BOI
7h 29m
1 stop
$243Frontier
Tue, Aug 4 - Sun, Aug 9
Alaska Airlines Logo
2:08 pm - 11:59 pm
BOI
-
IAD
7h 51m
1 stop
Alaska Airlines Logo
7:00 am - 3:23 pm
IAD
-
BOI
10h 23m
1 stop
$293Alaska Airlines
Tue, Oct 27 - Wed, Oct 28
Alaska Airlines Logo
4:20 pm - 5:40 am
BOI
-
IAD
11h 20m
1 stop
Alaska Airlines Logo
7:00 am - 2:22 pm
IAD
-
BOI
9h 22m
1 stop
$316Alaska Airlines
Wed, Sep 9 - Mon, Sep 14
Southwest Logo
2:20 pm - 6:30 am
BOI
-
BWI
14h 10m
1 stop
Southwest Logo
6:30 am - 1:40 pm
BWI
-
BOI
9h 10m
2 stops
$325Southwest
Tue, Aug 18 - Tue, Aug 25
Southwest Logo
6:05 pm - 5:40 am
BOI
-
BWI
9h 35m
1 stop
Southwest Logo
8:40 am - 5:25 pm
BWI
-
BOI
10h 45m
1 stop
$345Southwest
Thu, Oct 1 - Mon, Oct 5

Delta flights from Boise to Washington, D.C.

Our best Delta deals on Boise to Washington, D.C. flight tickets
Delta
Sep 22
BOI10:35 amBoise Air Term. Gowen Fld
10h 14m
1 stop
IAD10:49 pmWashington, D.C. Dulles Intl
Sep 29
IAD7:10 amWashington, D.C. Dulles Intl
10h 02m
1 stop
BOI3:12 pmBoise Air Term. Gowen Fld
$197
Delta
Sep 19
BOI5:20 amBoise Air Term. Gowen Fld
6h 13m
1 stop
IAD1:33 pmWashington, D.C. Dulles Intl
Sep 22
IAD6:47 pmWashington, D.C. Dulles Intl
7h 08m
1 stop
BOI11:55 pmBoise Air Term. Gowen Fld
$214
Delta
Aug 11
BOI6:39 pmBoise Air Term. Gowen Fld
9h 41m
1 stop
BWI6:20 amBaltimore/Washington
Aug 18
BWI7:17 pmBaltimore/Washington
6h 42m
1 stop
BOI11:59 pmBoise Air Term. Gowen Fld
$245

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

Our best American Airlines deals on Boise to Washington, D.C. flight tickets
American Airlines
Sep 22
BOI3:21 pmBoise Air Term. Gowen Fld
6h 38m
1 stop
DCA11:59 pmWashington, D.C. Reagan-National
Sep 29
DCA8:40 amWashington, D.C. Reagan-National
7h 51m
1 stop
BOI2:31 pmBoise Air Term. Gowen Fld
$197
American Airlines
Sep 19
BOI3:21 pmBoise Air Term. Gowen Fld
6h 38m
1 stop
DCA11:59 pmWashington, D.C. Reagan-National
Sep 22
DCA8:40 amWashington, D.C. Reagan-National
7h 51m
1 stop
BOI2:31 pmBoise Air Term. Gowen Fld
$214
American Airlines
Sep 24
BOI3:21 pmBoise Air Term. Gowen Fld
6h 38m
1 stop
DCA11:59 pmWashington, D.C. Reagan-National
Sep 30
DCA6:30 amWashington, D.C. Reagan-National
10h 01m
1 stop
BOI2:31 pmBoise Air Term. Gowen Fld
$245

momondo Fare Finder

 
Customize your flight search to find flights from Boise to Washington, D.C. 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 June 2, 2026.
Use the filters below to find and compare flights from Boise to Washington, D.C. that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BoiseWashington, D.C.

BOI - IAD

BOIIAD

Boise Air Term. Gowen Fld

Tue 9/22

10:35 am-10:49 pm

1 stop10h 14m

Washington, D.C. Dulles Intl

Tue 9/29

7:10 am-3:12 pm

1 stop10h 02m

$197

BoiseWashington, D.C.

BOI - DCA

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

$197

BoiseBaltimore

BOI - BWI

BOIBWI

Boise Air Term. Gowen Fld

Tue 8/18

6:39 pm-6:20 am

1 stop9h 41m

Baltimore/Washington

Tue 8/25

7:39 am-12:14 pm

1 stop6h 35m

$197

BoiseWashington, D.C.

BOI - DCA

BOIDCA

Boise Air Term. Gowen Fld

Sat 9/19

3:21 pm-11:59 pm

1 stop6h 38m

Washington, D.C. Reagan-National

Tue 9/22

8:40 am-2:31 pm

1 stop7h 51m

$214
Quickest round-trip

BoiseWashington, D.C.

BOI - IAD

BOIIAD

Boise Air Term. Gowen Fld

Sat 9/19

5:20 am-1:33 pm

1 stop6h 13m

Washington, D.C. Dulles Intl

Tue 9/22

6:47 pm-11:55 pm

1 stop7h 08m

$214

BoiseWashington, D.C.

BOI - DCA

BOIDCA

Boise Air Term. Gowen Fld

Tue 8/4

1:24 pm-12:51 pm

1 stop21h 27m

Washington, D.C. Reagan-National

Sun 8/9

7:00 am-12:29 pm

1 stop7h 29m

$243

BoiseWashington, D.C.

BOI - IAD

BOIIAD

Boise Air Term. Gowen Fld

Tue 10/27

2:08 pm-11:59 pm

1 stop7h 51m

Washington, D.C. Dulles Intl

Wed 10/28

7:00 am-3:23 pm

1 stop10h 23m

$293

BoiseWashington, D.C.

BOI - IAD

BOIIAD

Boise Air Term. Gowen Fld

Wed 9/9

4:20 pm-5:40 am

1 stop11h 20m

Washington, D.C. Dulles Intl

Mon 9/14

7:00 am-2:22 pm

1 stop9h 22m

$316

BoiseBaltimore

BOI - BWI

BOIBWI

Boise Air Term. Gowen Fld

Tue 8/18

2:20 pm-6:30 am

1 stop14h 10m

Baltimore/Washington

Tue 8/25

6:30 am-1:40 pm

2 stops9h 10m

$325

BoiseBaltimore

BOI - BWI

BOIBWI

Boise Air Term. Gowen Fld

Thu 10/1

6:05 pm-5:40 am

1 stop9h 35m

Baltimore/Washington

Mon 10/5

8:40 am-5:25 pm

1 stop10h 45m

$345

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 Washington, D.C. from

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

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.?

The month of May is, on average, the cheapest month to fly to Washington, D.C. from Boise, with most prices found around $78. If you’re not able to fly to Washington, D.C. in May, then December is your next best option. Flight prices from Boise to Washington, D.C. during December average around $162.

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.

Fastest flight time

6h 07m

Direct flights

None
The fastest flight from Boise to Washington, D.C. takes 6h 07m
There are no direct flights from Boise to Washington, D.C.. There are no popular flight routes from Boise to Washington, D.C..

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 07m.

  • 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.?

  • 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.?

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
FrontierPriceFrom $78Free CancellationRating
5.6
2,922 reviews
Search Frontier flights
DeltaPriceFrom $222Free CancellationRating
7.9
8,398 reviews
Search Delta flights
Alaska AirlinesPriceFrom $245Free CancellationRating
7.9
12,450 reviews
Search Alaska Airlines flights
American AirlinesPriceFrom $277Free CancellationRating
7.1
11,640 reviews
Search American Airlines flights
United AirlinesPriceFrom $278Free CancellationRating
7.4
9,778 reviews
Search United Airlines flights
SouthwestPriceFrom $340Free CancellationRating
8.0
4,258 reviews
Search Southwest flights

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

Book flights to Washington, D.C. if you plan to visit one of these locations
Alexandria
National Harbor
Gettysburg
Arlington
Waldorf
Woodbridge
Laurel
Gaithersburg
Fredericksburg
Colonial Beach
Silver Spring
Rockville
Towson
Linthicum Heights
Manassas
Tysons
Springfield
Fairfax
Bethesda
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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1 adult
Thu 7/2
Thu 7/9

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.