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Cheap flights from Boise to Washington, D.C. from $75

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 2/9. 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 23m1 stop
Frontier Logo
6:00 pm - 11:11 am
DCA
-
BOI
19h 11m1 stop
$174Frontier
Thu, Feb 19 - Sat, Feb 28
Frontier Logo
12:07 pm - 9:59 pm
BOI
-
DCA
7h 52m1 stop
Frontier Logo
6:00 pm - 11:12 am
DCA
-
BOI
19h 12m1 stop
$210Frontier
Mon, Jan 26 - Thu, Jan 29
Southwest Logo
11:20 am - 10:05 pm
BOI
-
BWI
8h 45m1 stop
Southwest Logo
7:55 am - 5:15 pm
BWI
-
BOI
11h 20m1 stop
$230Southwest
Wed, Feb 4 - Wed, Feb 11
Southwest Logo
11:20 am - 10:05 pm
BOI
-
BWI
8h 45m1 stop
Southwest Logo
6:40 am - 3:20 pm
BWI
-
BOI
10h 40m2 stops
$236Southwest
Wed, Feb 4 - Wed, Feb 11
Southwest Logo
6:40 am - 4:50 pm
BOI
-
IAD
8h 10m1 stop
Southwest Logo
9:05 am - 3:20 pm
IAD
-
BOI
8h 15m1 stop
$240Southwest
Wed, Feb 4 - Wed, Feb 11
Delta Logo
1:51 pm - 11:51 pm
BOI
-
IAD
8h 00m1 stop
Delta Logo
7:00 am - 1:11 pm
IAD
-
BOI
8h 11m1 stop
$266Delta
Thu, Apr 30 - Wed, May 6
Delta Logo
9:15 am - 11:05 pm
BOI
-
BWI
11h 50m2 stops
Delta Logo
7:00 am - 6:28 pm
BWI
-
BOI
13h 28m2 stops
$276Delta
Sat, Jan 24 - Tue, Jan 27
Alaska Airlines Logo
10:00 am - 9:59 pm
BOI
-
DCA
9h 59m1 stop
Alaska Airlines Logo
8:00 am - 3:10 pm
DCA
-
BOI
9h 10m1 stop
$280Alaska Airlines
Sat, Jan 31 - Wed, Feb 4
United Airlines Logo
6:10 am - 3:04 pm
BOI
-
BWI
6h 54m1 stop
United Airlines Logo
8:23 am - 7:51 pm
BWI
-
BOI
13h 28m2 stops
$286United Airlines
Mon, Jan 26 - Thu, Jan 29
Alaska Airlines Logo
9:02 am - 9:59 pm
BOI
-
DCA
10h 57m1 stop
Alaska Airlines Logo
8:00 am - 7:25 pm
DCA
-
BOI
13h 25m1 stop
$287Alaska Airlines
Sat, Jan 31 - Wed, Feb 4

Southwest flights from Boise to Washington, D.C.

Our best Southwest deals on Boise to Washington, D.C. flight tickets
Southwest
Feb 4
BOI11:20 amBoise Air Term. Gowen Fld
8h 45m
1 stop
BWI10:05 pmBaltimore/Washington
Feb 11
BWI7:55 amBaltimore/Washington
11h 20m
1 stop
BOI5:15 pmBoise Air Term. Gowen Fld
$230
Find similar
Southwest
Feb 4
BOI11:20 amBoise Air Term. Gowen Fld
8h 45m
1 stop
BWI10:05 pmBaltimore/Washington
Feb 11
BWI6:40 amBaltimore/Washington
10h 40m
2 stops
BOI3:20 pmBoise Air Term. Gowen Fld
$236
Find similar
Southwest
Feb 4
BOI6:40 amBoise Air Term. Gowen Fld
8h 10m
1 stop
IAD4:50 pmWashington, D.C. Dulles Intl
Feb 11
IAD9:05 amWashington, D.C. Dulles Intl
8h 15m
1 stop
BOI3:20 pmBoise Air Term. Gowen Fld
$240
Find similar

Delta flights from Boise to Washington, D.C.

Our best Delta deals on Boise to Washington, D.C. flight tickets
Delta
Feb 3
BOI1:40 pmBoise Air Term. Gowen Fld
8h 44m
1 stop
IAD12:24 amWashington, D.C. Dulles Intl
Feb 10
IAD6:00 amWashington, D.C. Dulles Intl
9h 34m
2 stops
BOI1:34 pmBoise Air Term. Gowen Fld
$244
Find similar
Delta
Apr 30
BOI1:51 pmBoise Air Term. Gowen Fld
8h 00m
1 stop
IAD11:51 pmWashington, D.C. Dulles Intl
May 6
IAD7:00 amWashington, D.C. Dulles Intl
8h 11m
1 stop
BOI1:11 pmBoise Air Term. Gowen Fld
$266
Find similar
Delta
Jan 24
BOI9:15 amBoise Air Term. Gowen Fld
11h 50m
2 stops
BWI11:05 pmBaltimore/Washington
Jan 27
BWI7:00 amBaltimore/Washington
13h 28m
2 stops
BOI6:28 pmBoise Air Term. Gowen Fld
$276
Find similar

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 6, 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

Thu 2/19

12:36 pm-9:59 pm

1 stop7h 23m

Washington, D.C. Reagan-National

Sat 2/28

6:00 pm-11:11 am

1 stop19h 11m

$174

BoiseWashington, D.C.

BOI - DCA

BOIDCA

Boise Air Term. Gowen Fld

Mon 1/26

12:07 pm-9:59 pm

1 stop7h 52m

Washington, D.C. Reagan-National

Thu 1/29

6:00 pm-11:12 am

1 stop19h 12m

$210

BoiseBaltimore

BOI - BWI

BOIBWI

Boise Air Term. Gowen Fld

Wed 2/4

11:20 am-10:05 pm

1 stop8h 45m

Baltimore/Washington

Wed 2/11

7:55 am-5:15 pm

1 stop11h 20m

$230

BoiseBaltimore

BOI - BWI

BOIBWI

Boise Air Term. Gowen Fld

Wed 2/4

11:20 am-10:05 pm

1 stop8h 45m

Baltimore/Washington

Wed 2/11

6:40 am-3:20 pm

2 stops10h 40m

$236

BoiseWashington, D.C.

BOI - IAD

BOIIAD

Boise Air Term. Gowen Fld

Wed 2/4

6:40 am-4:50 pm

1 stop8h 10m

Washington, D.C. Dulles Intl

Wed 2/11

9:05 am-3:20 pm

1 stop8h 15m

$240

BoiseWashington, D.C.

BOI - IAD

BOIIAD

Boise Air Term. Gowen Fld

Thu 4/30

1:51 pm-11:51 pm

1 stop8h 00m

Washington, D.C. Dulles Intl

Wed 5/6

7:00 am-1:11 pm

1 stop8h 11m

$266

BoiseBaltimore

BOI - BWI

BOIBWI

Boise Air Term. Gowen Fld

Sat 1/24

9:15 am-11:05 pm

2 stops11h 50m

Baltimore/Washington

Tue 1/27

7:00 am-6:28 pm

2 stops13h 28m

$276

BoiseWashington, D.C.

BOI - DCA

BOIDCA

Boise Air Term. Gowen Fld

Sat 1/31

10:00 am-9:59 pm

1 stop9h 59m

Washington, D.C. Reagan-National

Wed 2/4

8:00 am-3:10 pm

1 stop9h 10m

$280

BoiseBaltimore

BOI - BWI

BOIBWI

Boise Air Term. Gowen Fld

Mon 1/26

6:10 am-3:04 pm

1 stop6h 54m

Baltimore/Washington

Thu 1/29

8:23 am-7:51 pm

2 stops13h 28m

$286

BoiseWashington, D.C.

BOI - DCA

BOIDCA

Boise Air Term. Gowen Fld

Sat 1/31

9:02 am-9:59 pm

1 stop10h 57m

Washington, D.C. Reagan-National

Wed 2/4

8:00 am-7:25 pm

1 stop13h 25m

$287

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 11m

Direct flights

None
The fastest flight from Boise to Washington, D.C. takes 6h 11m
There are no direct flights from Boise to Washington, D.C.. There are no popular flight routes from Boise to Washington, D.C..
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  • 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 11m.

  • 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
11,648 reviews
Search Alaska Airlines flights
DeltaPriceFrom $249Free CancellationRating
7.9
8,018 reviews
Search Delta flights
United AirlinesPriceFrom $283Free CancellationRating
7.4
9,132 reviews
Search United Airlines flights
American AirlinesPriceFrom $298Free CancellationRating
7.2
11,084 reviews
Search American Airlines flights
SouthwestPriceFrom $351Free CancellationRating
8.0
4,248 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
Rockville
Gaithersburg
Manassas
Fairfax
Springfield
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