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Cheap flights from Boise to Washington, D.C. from $90

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 4/9. 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.
Frontier Logo
12:36 pm - 9:59 pm
BOI
-
DCA
7h 23m
1 stop
Frontier Logo
6:00 pm - 11:11 am
DCA
-
BOI
19h 11m
1 stop
$128Frontier
qui, fev 19 - sáb, fev 28
Frontier Logo
11:56 am - 1:00 pm
BOI
-
DCA
23h 04m
1 stop
Frontier Logo
2:00 pm - 11:51 am
DCA
-
BOI
23h 51m
1 stop
$134Frontier
sex, fev 27 - qua, mar 4
Frontier Logo
11:56 am - 1:00 pm
BOI
-
DCA
23h 04m
1 stop
Frontier Logo
2:00 pm - 11:51 am
DCA
-
BOI
23h 51m
1 stop
$146Frontier
sex, fev 27 - qua, mar 4
Multiple Airlines Logo
12:07 pm - 4:59 pm
BOI
-
DCA
26h 52m
1 stop
Multiple Airlines Logo
5:01 pm - 11:59 pm
DCA
-
BOI
8h 58m
1 stop
$256Multiple Airlines
seg, fev 2 - qua, fev 4
Delta Logo
3:01 pm - 11:12 pm
BOI
-
BWI
6h 11m
1 stop
Delta Logo
6:09 am - 2:05 pm
BWI
-
BOI
9h 56m
1 stop
$257Delta
sáb, mar 7 - sáb, mar 14
Alaska Airlines Logo
6:28 am - 5:20 pm
BOI
-
IAD
8h 52m
1 stop
Alaska Airlines Logo
7:05 am - 2:58 pm
IAD
-
BOI
9h 53m
1 stop
$257Alaska Airlines
sáb, fev 28 - qua, mar 4
Delta Logo
5:30 am - 1:32 pm
BOI
-
IAD
6h 02m
1 stop
Delta Logo
12:14 pm - 10:08 pm
IAD
-
BOI
11h 54m
2 stops
$262Delta
qua, abr 1 - ter, abr 7
United Airlines Logo
10:15 am - 9:26 pm
BOI
-
BWI
9h 11m
1 stop
United Airlines Logo
10:05 am - 7:45 pm
BWI
-
BOI
11h 40m
2 stops
$262United Airlines
ter, fev 3 - ter, fev 10
Multiple Airlines Logo
7:00 am - 5:27 pm
BOI
-
IAD
8h 27m
1 stop
Multiple Airlines Logo
10:29 am - 11:11 am
IAD
-
BOI
26h 42m
2 stops
$286Multiple Airlines
qui, fev 19 - sáb, fev 28
United Airlines Logo
10:28 am - 9:21 pm
BOI
-
BWI
8h 53m
2 stops
United Airlines Logo
10:05 am - 7:51 pm
BWI
-
BOI
11h 46m
2 stops
$289United Airlines
ter, fev 3 - ter, fev 10

Delta flights from Boise to Washington, D.C.

Our best Delta deals on Boise to Washington, D.C. flight tickets
Delta
Mar 7
BOI3:01 pmBoise Air Term. Gowen Fld
6h 11m
1 stop
BWI11:12 pmBaltimore/Washington
Mar 14
BWI6:09 amBaltimore/Washington
9h 56m
1 stop
BOI2:05 pmBoise Air Term. Gowen Fld
$257
Delta
Apr 1
BOI5:30 amBoise Air Term. Gowen Fld
6h 02m
1 stop
IAD1:32 pmWashington, D.C. Dulles Intl
Apr 7
IAD12:14 pmWashington, D.C. Dulles Intl
11h 54m
2 stops
BOI10:08 pmBoise Air Term. Gowen Fld
$262
Delta
Feb 3
BOI1:00 pmBoise Air Term. Gowen Fld
9h 24m
2 stops
IAD12:24 amWashington, D.C. Dulles Intl
Feb 10
IAD2:15 pmWashington, D.C. Dulles Intl
10h 57m
2 stops
BOI11:12 pmBoise Air Term. Gowen Fld
$268

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 28
BOI6:28 amBoise Air Term. Gowen Fld
8h 52m
1 stop
IAD5:20 pmWashington, D.C. Dulles Intl
Mar 4
IAD7:05 amWashington, D.C. Dulles Intl
9h 53m
1 stop
BOI2:58 pmBoise Air Term. Gowen Fld
$257
Alaska Airlines
Feb 26
BOI6:28 amBoise Air Term. Gowen Fld
8h 52m
1 stop
IAD5:20 pmWashington, D.C. Dulles Intl
Mar 9
IAD7:05 amWashington, D.C. Dulles Intl
16h 10m
1 stop
BOI9:15 pmBoise Air Term. Gowen Fld
$307
Alaska Airlines
Feb 15
BOI8:30 amBoise Air Term. Gowen Fld
19h 10m
1 stop
IAD5:40 amWashington, D.C. Dulles Intl
Mar 31
IAD7:00 amWashington, D.C. Dulles Intl
10h 29m
1 stop
BOI3:29 pmBoise Air Term. Gowen Fld
$317

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 janeiro 15, 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 - DCA

BOIDCA

Boise Air Term. Gowen Fld

qui 2/19

12:36 pm-9:59 pm

1 stop7h 23m

Washington, D.C. Reagan-National

sáb 2/28

6:00 pm-11:11 am

1 stop19h 11m

$128

BoiseWashington, D.C.

BOI - DCA

BOIDCA

Boise Air Term. Gowen Fld

sex 2/27

11:56 am-1:00 pm

1 stop23h 04m

Washington, D.C. Reagan-National

qua 3/4

2:00 pm-11:51 am

1 stop23h 51m

$134

BoiseWashington, D.C.

BOI - DCA

BOIDCA

Boise Air Term. Gowen Fld

sex 2/27

11:56 am-1:00 pm

1 stop23h 04m

Washington, D.C. Reagan-National

qua 3/4

2:00 pm-11:51 am

1 stop23h 51m

$146

BoiseWashington, D.C.

BOI - DCA

BOIDCA

Boise Air Term. Gowen Fld

seg 2/2

12:07 pm-4:59 pm

1 stop26h 52m

Washington, D.C. Reagan-National

qua 2/4

5:01 pm-11:59 pm

1 stop8h 58m

$256

BoiseBaltimore

BOI - BWI

BOIBWI

Boise Air Term. Gowen Fld

sáb 3/7

3:01 pm-11:12 pm

1 stop6h 11m

Baltimore/Washington

sáb 3/14

6:09 am-2:05 pm

1 stop9h 56m

$257

BoiseWashington, D.C.

BOI - IAD

BOIIAD

Boise Air Term. Gowen Fld

sáb 2/28

6:28 am-5:20 pm

1 stop8h 52m

Washington, D.C. Dulles Intl

qua 3/4

7:05 am-2:58 pm

1 stop9h 53m

$257

BoiseWashington, D.C.

BOI - IAD

BOIIAD

Boise Air Term. Gowen Fld

qua 4/1

5:30 am-1:32 pm

1 stop6h 02m

Washington, D.C. Dulles Intl

ter 4/7

12:14 pm-10:08 pm

2 stops11h 54m

$262

BoiseBaltimore

BOI - BWI

BOIBWI

Boise Air Term. Gowen Fld

ter 2/3

10:15 am-9:26 pm

1 stop9h 11m

Baltimore/Washington

ter 2/10

10:05 am-7:45 pm

2 stops11h 40m

$262

BoiseWashington, D.C.

BOI - IAD

BOIIAD

Boise Air Term. Gowen Fld

qui 2/19

7:00 am-5:27 pm

1 stop8h 27m

Washington, D.C. Dulles Intl

sáb 2/28

10:29 am-11:11 am

2 stops26h 42m

$286

BoiseBaltimore

BOI - BWI

BOIBWI

Boise Air Term. Gowen Fld

ter 2/3

10:28 am-9:21 pm

2 stops8h 53m

Baltimore/Washington

ter 2/10

10:05 am-7:51 pm

2 stops11h 46m

$289

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 02m

Direct flights

None
The fastest flight from Boise to Washington, D.C. takes 6h 02m
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 02m.

  • 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
11,721 reviews
Search Alaska Airlines flights
DeltaPriceFrom $224Free CancellationRating
7.9
8,051 reviews
Search Delta flights
United AirlinesPriceFrom $278Free CancellationRating
7.4
9,164 reviews
Search United Airlines flights
American AirlinesPriceFrom $298Free CancellationRating
7.2
11,136 reviews
Search American Airlines flights
SouthwestPriceFrom $351Free 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
Tysons
Laurel
Colonial Beach
Silver Spring
Towson
Fredericksburg
Gaithersburg
Rockville
Manassas
Springfield
Fairfax
Glen Burnie
Linthicum Heights
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