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Cheap flights from Boise to Washington, D.C. from $129

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 2/17. 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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0 bags

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

Cheap round-trip flights

Enter your travel dates to find the best prices.
Alaska Airlines Logo
6:28 am - 5:20 pm
BOI
-
IAD
8h 52m
1 stop
Alaska Airlines Logo
7:05 am - 3:08 pm
IAD
-
BOI
10h 03m
1 stop
$257Alaska Airlines
Tue, Feb 24 - Tue, Mar 3
Delta Logo
3:23 pm - 11:43 pm
BOI
-
DCA
6h 20m
1 stop
Delta Logo
4:39 pm - 12:17 am
DCA
-
BOI
9h 38m
1 stop
$257Delta
Sat, Apr 25 - Tue, Apr 28
Delta Logo
11:30 pm - 9:39 am
BOI
-
BWI
8h 09m
1 stop
Delta Logo
6:00 am - 12:38 pm
BWI
-
BOI
8h 38m
1 stop
$257Delta
Wed, Apr 1 - Tue, Apr 7
United Airlines Logo
2:40 pm - 11:25 pm
BOI
-
BWI
6h 45m
1 stop
United Airlines Logo
10:30 am - 8:55 pm
BWI
-
BOI
12h 25m
2 stops
$262United Airlines
Wed, Feb 25 - Wed, Mar 4
Delta Logo
10:35 am - 11:41 pm
BOI
-
IAD
11h 06m
2 stops
Delta Logo
7:00 am - 1:05 pm
IAD
-
BOI
8h 05m
1 stop
$262Delta
Tue, Mar 10 - Sat, Mar 14
Delta Logo
3:23 pm - 11:43 pm
BOI
-
DCA
6h 20m
1 stop
Delta Logo
6:00 am - 2:26 pm
DCA
-
BOI
10h 26m
2 stops
$262Delta
Sat, Apr 25 - Tue, Apr 28
United Airlines Logo
5:00 am - 4:10 pm
BOI
-
BWI
9h 10m
2 stops
United Airlines Logo
10:30 am - 8:55 pm
BWI
-
BOI
12h 25m
2 stops
$285United Airlines
Wed, Feb 25 - Wed, Mar 4
Alaska Airlines Logo
6:28 am - 5:46 pm
BOI
-
BWI
9h 18m
1 stop
Alaska Airlines Logo
6:46 pm - 9:40 am
BWI
-
BOI
16h 54m
1 stop
$297Alaska Airlines
Thu, Feb 26 - Tue, Mar 3
American Airlines Logo
1:31 pm - 11:33 pm
BOI
-
BWI
8h 02m
1 stop
American Airlines Logo
7:00 am - 1:03 pm
BWI
-
BOI
8h 03m
1 stop
$316American Airlines
Wed, Apr 1 - Tue, Apr 7
Frontier Logo
11:56 am - 1:00 pm
BOI
-
DCA
23h 04m
1 stop
Frontier Logo
6:00 pm - 11:11 am
DCA
-
BOI
19h 11m
1 stop
$321Frontier
Fri, Feb 13 - Sat, Feb 14

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

Our best Alaska Airlines deals on Boise to Washington, D.C. flight tickets
Alaska Airlines
Feb 24
BOI6:28 amBoise Air Term. Gowen Fld
8h 52m
1 stop
IAD5:20 pmWashington, D.C. Dulles Intl
Mar 3
IAD7:05 amWashington, D.C. Dulles Intl
10h 03m
1 stop
BOI3:08 pmBoise Air Term. Gowen Fld
$257
Alaska Airlines
Mar 10
BOI1:25 pmBoise Air Term. Gowen Fld
26h 34m
1 stop
DCA5:59 pmWashington, D.C. Reagan-National
Mar 14
DCA8:59 amWashington, D.C. Reagan-National
14h 20m
1 stop
BOI9:19 pmBoise Air Term. Gowen Fld
$313
Alaska Airlines
Apr 15
BOI8:20 amBoise Air Term. Gowen Fld
7h 51m
1 stop
BWI6:11 pmBaltimore/Washington
Apr 22
BWI7:04 amBaltimore/Washington
10h 29m
1 stop
BOI3:33 pmBoise Air Term. Gowen Fld
$317

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

Our best American Airlines deals on Boise to Washington, D.C. flight tickets
American Airlines
Apr 1
BOI1:31 pmBoise Air Term. Gowen Fld
8h 02m
1 stop
BWI11:33 pmBaltimore/Washington
Apr 7
BWI7:00 amBaltimore/Washington
8h 03m
1 stop
BOI1:03 pmBoise Air Term. Gowen Fld
$316
American Airlines
Mar 4
BOI6:37 pmBoise Air Term. Gowen Fld
12h 11m
2 stops
IAD8:48 amWashington, D.C. Dulles Intl
Mar 8
IAD6:00 amWashington, D.C. Dulles Intl
8h 48m
1 stop
BOI12:48 pmBoise Air Term. Gowen Fld
$352
American Airlines
May 16
BOI1:29 pmBoise Air Term. Gowen Fld
8h 18m
1 stop
BWI11:47 pmBaltimore/Washington
May 29
BWI6:00 amBaltimore/Washington
10h 08m
1 stop
BOI2:08 pmBoise Air Term. Gowen Fld
$397

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 January 29, 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

BoiseWashington, D.C.

BOI - IAD

BOIIAD

Boise Air Term. Gowen Fld

Tue 2/24

6:28 am-5:20 pm

1 stop8h 52m

Washington, D.C. Dulles Intl

Tue 3/3

7:05 am-3:08 pm

1 stop10h 03m

$257

BoiseWashington, D.C.

BOI - DCA

BOIDCA

Boise Air Term. Gowen Fld

Sat 4/25

3:23 pm-11:43 pm

1 stop6h 20m

Washington, D.C. Reagan-National

Tue 4/28

4:39 pm-12:17 am

1 stop9h 38m

$257

BoiseBaltimore

BOI - BWI

BOIBWI

Boise Air Term. Gowen Fld

Wed 4/1

11:30 pm-9:39 am

1 stop8h 09m

Baltimore/Washington

Tue 4/7

6:00 am-12:38 pm

1 stop8h 38m

$257

BoiseBaltimore

BOI - BWI

BOIBWI

Boise Air Term. Gowen Fld

Wed 2/25

2:40 pm-11:25 pm

1 stop6h 45m

Baltimore/Washington

Wed 3/4

10:30 am-8:55 pm

2 stops12h 25m

$262

BoiseWashington, D.C.

BOI - IAD

BOIIAD

Boise Air Term. Gowen Fld

Tue 3/10

10:35 am-11:41 pm

2 stops11h 06m

Washington, D.C. Dulles Intl

Sat 3/14

7:00 am-1:05 pm

1 stop8h 05m

$262

BoiseWashington, D.C.

BOI - DCA

BOIDCA

Boise Air Term. Gowen Fld

Sat 4/25

3:23 pm-11:43 pm

1 stop6h 20m

Washington, D.C. Reagan-National

Tue 4/28

6:00 am-2:26 pm

2 stops10h 26m

$262

BoiseBaltimore

BOI - BWI

BOIBWI

Boise Air Term. Gowen Fld

Wed 2/25

5:00 am-4:10 pm

2 stops9h 10m

Baltimore/Washington

Wed 3/4

10:30 am-8:55 pm

2 stops12h 25m

$285

BoiseBaltimore

BOI - BWI

BOIBWI

Boise Air Term. Gowen Fld

Thu 2/26

6:28 am-5:46 pm

1 stop9h 18m

Baltimore/Washington

Tue 3/3

6:46 pm-9:40 am

1 stop16h 54m

$297

BoiseBaltimore

BOI - BWI

BOIBWI

Boise Air Term. Gowen Fld

Wed 4/1

1:31 pm-11:33 pm

1 stop8h 02m

Baltimore/Washington

Tue 4/7

7:00 am-1:03 pm

1 stop8h 03m

$316

BoiseWashington, D.C.

BOI - DCA

BOIDCA

Boise Air Term. Gowen Fld

Fri 2/13

11:56 am-1:00 pm

1 stop23h 04m

Washington, D.C. Reagan-National

Sat 2/14

6:00 pm-11:11 am

1 stop19h 11m

$321

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 August is, on average, the cheapest month to fly to Washington, D.C. from Boise, with most prices found around $293. If you’re not able to fly to Washington, D.C. in August, then February is your next best option. Flight prices from Boise to Washington, D.C. during February average around $329.

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 00m

Direct flights

None
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

  • 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.?

  • 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
Alaska AirlinesPriceFrom $141Free CancellationRating
8.0
11,806 reviews
Search Alaska Airlines flights
DeltaPriceFrom $224Free CancellationRating
7.9
8,128 reviews
Search Delta flights
United AirlinesPriceFrom $268Free CancellationRating
7.4
9,215 reviews
Search United Airlines flights
American AirlinesPriceFrom $298Free CancellationRating
7.2
11,205 reviews
Search American Airlines flights
SouthwestPriceFrom $340Free CancellationRating
8.0
4,267 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
Tysons
Laurel
Colonial Beach
Silver Spring
Towson
Fredericksburg
Gaithersburg
Rockville
Manassas
Springfield
Fairfax
Linthicum Heights
Bethesda
Reston

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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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.
Washington, D.C. Reagan-National Airport
Washington, D.C. Dulles Intl Airport