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 8/26. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 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.
Delta Logo
12:14 pm - 10:49 pm
BOI
-
IAD
8h 35m
1 stop
Delta Logo
6:20 am - 1:38 pm
IAD
-
BOI
9h 18m
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
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
United Airlines Logo
12:26 pm - 9:11 pm
BOI
-
IAD
6h 45m
1 stop
United Airlines Logo
10:22 am - 5:55 pm
IAD
-
BOI
9h 33m
1 stop
$231United Airlines
Sat, Oct 24 - Sat, Oct 31
Delta Logo
2:14 pm - 11:43 pm
BOI
-
DCA
7h 29m
1 stop
Delta Logo
6:05 am - 1:38 pm
DCA
-
BOI
9h 33m
1 stop
$231Delta
Mon, Sep 14 - Sat, Sep 19
Frontier Logo
1:04 pm - 12:57 pm
BOI
-
DCA
21h 53m
1 stop
Frontier Logo
7:00 am - 12:09 pm
DCA
-
BOI
7h 09m
1 stop
$241Frontier
Thu, Aug 27 - Sun, Aug 30
Southwest Logo
12:10 pm - 11:55 pm
BOI
-
DCA
9h 45m
1 stop
Southwest Logo
1:00 pm - 10:00 pm
DCA
-
BOI
11h 00m
2 stops
$281Southwest
Mon, Sep 14 - Sat, Sep 19
United Airlines Logo
6:25 am - 3:07 pm
BOI
-
BWI
6h 42m
1 stop
United Airlines Logo
10:45 am - 9:16 pm
BWI
-
BOI
12h 31m
2 stops
$282United Airlines
Sat, Oct 24 - Sat, Oct 31
Southwest Logo
12:10 pm - 11:55 pm
BOI
-
DCA
9h 45m
1 stop
Southwest Logo
2:30 pm - 9:30 pm
DCA
-
BOI
9h 00m
2 stops
$296Southwest
Thu, Sep 3 - Sat, Sep 12
Alaska Airlines Logo
6:49 pm - 6:14 pm
BOI
-
IAD
21h 25m
1 stop
Alaska Airlines Logo
7:00 am - 3:30 pm
IAD
-
BOI
10h 30m
1 stop
$302Alaska Airlines
Mon, Sep 14 - Sat, Sep 19

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Delta flights from Boise to Washington, D.C.

Our best Delta deals on Boise to Washington, D.C. flight tickets
Delta
Sep 22
BOI12:14 pmBoise Air Term. Gowen Fld
8h 35m
1 stop
IAD10:49 pmWashington, D.C. Dulles Intl
Sep 29
IAD6:20 amWashington, D.C. Dulles Intl
9h 18m
1 stop
BOI1:38 pmBoise Air Term. Gowen Fld
$197
Delta
Oct 24
BOI3:22 pmBoise Air Term. Gowen Fld
6h 24m
1 stop
BWI11:46 pmBaltimore/Washington
Oct 31
BWI7:30 amBaltimore/Washington
7h 12m
1 stop
BOI12:42 pmBoise Air Term. Gowen Fld
$231
Delta
Sep 19
BOI11:10 amBoise Air Term. Gowen Fld
6h 54m
1 stop
IAD8:04 pmWashington, D.C. Dulles Intl
Sep 22
IAD7:10 amWashington, D.C. Dulles Intl
10h 02m
1 stop
BOI3:12 pmBoise Air Term. Gowen Fld
$233

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

Our best United Airlines deals on Boise to Washington, D.C. flight tickets
United Airlines
Oct 24
BOI12:26 pmBoise Air Term. Gowen Fld
6h 45m
1 stop
IAD9:11 pmWashington, D.C. Dulles Intl
Oct 31
IAD10:22 amWashington, D.C. Dulles Intl
9h 33m
1 stop
BOI5:55 pmBoise Air Term. Gowen Fld
$231
United Airlines
Oct 24
BOI6:25 amBoise Air Term. Gowen Fld
6h 42m
1 stop
BWI3:07 pmBaltimore/Washington
Oct 31
BWI10:45 amBaltimore/Washington
12h 31m
2 stops
BOI9:16 pmBoise Air Term. Gowen Fld
$282
United Airlines
Aug 25
BOI12:24 pmBoise Air Term. Gowen Fld
8h 28m
1 stop
DCA10:52 pmWashington, D.C. Reagan-National
Aug 26
DCA6:30 amWashington, D.C. Reagan-National
6h 58m
1 stop
BOI11:28 amBoise Air Term. Gowen Fld
$341

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 16, 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

12:14 pm-10:49 pm

1 stop8h 35m

Washington, D.C. Dulles Intl

Tue 9/29

6:20 am-1:38 pm

1 stop9h 18m

$197
Quickest round-trip

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

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

BoiseWashington, D.C.

BOI - IAD

BOIIAD

Boise Air Term. Gowen Fld

Sat 10/24

12:26 pm-9:11 pm

1 stop6h 45m

Washington, D.C. Dulles Intl

Sat 10/31

10:22 am-5:55 pm

1 stop9h 33m

$231

BoiseWashington, D.C.

BOI - DCA

BOIDCA

Boise Air Term. Gowen Fld

Mon 9/14

2:14 pm-11:43 pm

1 stop7h 29m

Washington, D.C. Reagan-National

Sat 9/19

6:05 am-1:38 pm

1 stop9h 33m

$231

BoiseWashington, D.C.

BOI - DCA

BOIDCA

Boise Air Term. Gowen Fld

Thu 8/27

1:04 pm-12:57 pm

1 stop21h 53m

Washington, D.C. Reagan-National

Sun 8/30

7:00 am-12:09 pm

1 stop7h 09m

$241

BoiseWashington, D.C.

BOI - DCA

BOIDCA

Boise Air Term. Gowen Fld

Mon 9/14

12:10 pm-11:55 pm

1 stop9h 45m

Washington, D.C. Reagan-National

Sat 9/19

1:00 pm-10:00 pm

2 stops11h 00m

$281

BoiseBaltimore

BOI - BWI

BOIBWI

Boise Air Term. Gowen Fld

Sat 10/24

6:25 am-3:07 pm

1 stop6h 42m

Baltimore/Washington

Sat 10/31

10:45 am-9:16 pm

2 stops12h 31m

$282

BoiseWashington, D.C.

BOI - DCA

BOIDCA

Boise Air Term. Gowen Fld

Thu 9/3

12:10 pm-11:55 pm

1 stop9h 45m

Washington, D.C. Reagan-National

Sat 9/12

2:30 pm-9:30 pm

2 stops9h 00m

$296

BoiseWashington, D.C.

BOI - IAD

BOIIAD

Boise Air Term. Gowen Fld

Mon 9/14

6:49 pm-6:14 pm

1 stop21h 25m

Washington, D.C. Dulles Intl

Sat 9/19

7:00 am-3:30 pm

1 stop10h 30m

$302

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
DeltaPriceFrom $196Free CancellationRating
7.9
8,405 reviews
Search Delta flights
Alaska AirlinesPriceFrom $245Free CancellationRating
7.9
12,522 reviews
Search Alaska Airlines flights
American AirlinesPriceFrom $277Free CancellationRating
7.1
11,667 reviews
Search American Airlines flights
United AirlinesPriceFrom $278Free CancellationRating
7.4
9,842 reviews
Search United Airlines flights
SouthwestPriceFrom $340Free CancellationRating
7.9
4,237 reviews
Search Southwest flights
  • Southwest Flights From Boise to Washington, D.C.

    The lowest priced Southwest flight from Boise to Washington, D.C. from the last 72 hours was $340. Generally, Southwest has 5 flights on this route every week with an average price of $488. Southwest is rated 7.9/10 by our users.

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
Fredericksburg
Gaithersburg
Colonial Beach
Rockville
Linthicum Heights
Silver Spring
Towson
Manassas
Tysons
Springfield
Bethesda
Fairfax
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.

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.

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1 adult
Thu 7/16
Thu 7/23

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.