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Cheap flights from Washington, D.C. to Boise 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 Washington, D.C. to Boise departing on 4/1. 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 Washington, D.C. to Boise

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
2:00 pm - 11:51 am
DCA
-
BOI
23h 51m
1 stop
Frontier Logo
12:15 pm - 9:59 pm
BOI
-
DCA
7h 44m
1 stop
$218Frontier
Wed, Feb 25 - Sun, Mar 8
Frontier Logo
2:00 pm - 11:11 am
DCA
-
BOI
23h 11m
1 stop
Frontier Logo
12:38 pm - 9:59 pm
BOI
-
DCA
7h 21m
1 stop
$240Frontier
Thu, Feb 26 - Thu, Mar 5
Delta Logo
6:05 am - 1:58 pm
BWI
-
BOI
9h 53m
1 stop
Delta Logo
11:30 pm - 10:47 am
BOI
-
BWI
9h 17m
1 stop
$257Delta
Tue, Feb 24 - Tue, Mar 10
Alaska Airlines Logo
7:05 am - 3:08 pm
IAD
-
BOI
10h 03m
1 stop
Alaska Airlines Logo
6:28 am - 5:20 pm
BOI
-
IAD
8h 52m
1 stop
$257Alaska Airlines
Tue, Feb 24 - Tue, Mar 10
Alaska Airlines Logo
8:00 am - 3:08 pm
DCA
-
BOI
9h 08m
1 stop
Alaska Airlines Logo
11:54 am - 9:59 pm
BOI
-
DCA
8h 05m
1 stop
$257Alaska Airlines
Tue, Feb 24 - Tue, Mar 10
Delta Logo
12:38 pm - 9:56 pm
IAD
-
BOI
11h 18m
2 stops
Delta Logo
3:01 pm - 11:41 pm
BOI
-
IAD
6h 40m
1 stop
$262Delta
Tue, Feb 24 - Tue, Mar 10
United Airlines Logo
8:00 am - 4:48 pm
BWI
-
BOI
10h 48m
2 stops
United Airlines Logo
5:00 am - 4:24 pm
BOI
-
BWI
9h 24m
2 stops
$267United Airlines
Tue, Apr 21 - Sat, Apr 25
Multiple Airlines Logo
2:00 pm - 11:51 am
DCA
-
BOI
23h 51m
1 stop
Multiple Airlines Logo
5:37 pm - 9:59 pm
BOI
-
DCA
26h 22m
2 stops
$278Multiple Airlines
Wed, Feb 25 - Mon, Mar 9
Multiple Airlines Logo
6:00 pm - 11:11 am
DCA
-
BOI
19h 11m
1 stop
Multiple Airlines Logo
5:37 pm - 9:59 pm
BOI
-
DCA
26h 22m
2 stops
$301Multiple Airlines
Thu, Feb 26 - Mon, Mar 9
United Airlines Logo
8:42 am - 4:07 pm
BWI
-
BOI
9h 25m
1 stop
United Airlines Logo
7:07 am - 5:23 pm
BOI
-
BWI
8h 16m
1 stop
$329United Airlines
Wed, Feb 25 - Sun, Mar 8

Frontier flights from Washington, D.C. to Boise

Our best Frontier deals on Washington, D.C. to Boise flight tickets
Frontier
Feb 25
DCA2:00 pmWashington, D.C. Reagan-National
23h 51m
1 stop
BOI11:51 amBoise Air Term. Gowen Fld
Mar 8
BOI12:15 pmBoise Air Term. Gowen Fld
7h 44m
1 stop
DCA9:59 pmWashington, D.C. Reagan-National
$218
Frontier
Feb 26
DCA2:00 pmWashington, D.C. Reagan-National
23h 11m
1 stop
BOI11:11 amBoise Air Term. Gowen Fld
Mar 5
BOI12:38 pmBoise Air Term. Gowen Fld
7h 21m
1 stop
DCA9:59 pmWashington, D.C. Reagan-National
$240
Frontier
Feb 18
DCA8:00 amWashington, D.C. Reagan-National
29h 51m
1 stop
BOI11:51 amBoise Air Term. Gowen Fld
Feb 22
BOI11:56 amBoise Air Term. Gowen Fld
8h 03m
1 stop
DCA9:59 pmWashington, D.C. Reagan-National
$256

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

Our best United Airlines deals on Washington, D.C. to Boise flight tickets
United Airlines
Apr 21
BWI8:00 amBaltimore/Washington
10h 48m
2 stops
BOI4:48 pmBoise Air Term. Gowen Fld
Apr 25
BOI5:00 amBoise Air Term. Gowen Fld
9h 24m
2 stops
BWI4:24 pmBaltimore/Washington
$267
United Airlines
Feb 25
BWI8:42 amBaltimore/Washington
9h 25m
1 stop
BOI4:07 pmBoise Air Term. Gowen Fld
Mar 8
BOI7:07 amBoise Air Term. Gowen Fld
8h 16m
1 stop
BWI5:23 pmBaltimore/Washington
$329
United Airlines
Apr 4
BWI4:18 pmBaltimore/Washington
7h 16m
1 stop
BOI9:34 pmBoise Air Term. Gowen Fld
Apr 11
BOI2:37 pmBoise Air Term. Gowen Fld
6h 47m
1 stop
BWI11:24 pmBaltimore/Washington
$331

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. to Boise 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 February 3, 2026.
Use the filters below to find and compare flights from Washington, D.C. to Boise that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Boise

DCA - BOI

DCABOI

Washington, D.C. Reagan-National

Wed 2/25

2:00 pm-11:51 am

1 stop23h 51m

Boise Air Term. Gowen Fld

Sun 3/8

12:15 pm-9:59 pm

1 stop7h 44m

$218

Washington, D.C.Boise

DCA - BOI

DCABOI

Washington, D.C. Reagan-National

Thu 2/26

2:00 pm-11:11 am

1 stop23h 11m

Boise Air Term. Gowen Fld

Thu 3/5

12:38 pm-9:59 pm

1 stop7h 21m

$240

BaltimoreBoise

BWI - BOI

BWIBOI

Baltimore/Washington

Tue 2/24

6:05 am-1:58 pm

1 stop9h 53m

Boise Air Term. Gowen Fld

Tue 3/10

11:30 pm-10:47 am

1 stop9h 17m

$257

Washington, D.C.Boise

IAD - BOI

IADBOI

Washington, D.C. Dulles Intl

Tue 2/24

7:05 am-3:08 pm

1 stop10h 03m

Boise Air Term. Gowen Fld

Tue 3/10

6:28 am-5:20 pm

1 stop8h 52m

$257

Washington, D.C.Boise

DCA - BOI

DCABOI

Washington, D.C. Reagan-National

Tue 2/24

8:00 am-3:08 pm

1 stop9h 08m

Boise Air Term. Gowen Fld

Tue 3/10

11:54 am-9:59 pm

1 stop8h 05m

$257

Washington, D.C.Boise

IAD - BOI

IADBOI

Washington, D.C. Dulles Intl

Tue 2/24

12:38 pm-9:56 pm

2 stops11h 18m

Boise Air Term. Gowen Fld

Tue 3/10

3:01 pm-11:41 pm

1 stop6h 40m

$262

BaltimoreBoise

BWI - BOI

BWIBOI

Baltimore/Washington

Tue 4/21

8:00 am-4:48 pm

2 stops10h 48m

Boise Air Term. Gowen Fld

Sat 4/25

5:00 am-4:24 pm

2 stops9h 24m

$267

Washington, D.C.Boise

DCA - BOI

DCABOI

Washington, D.C. Reagan-National

Wed 2/25

2:00 pm-11:51 am

1 stop23h 51m

Boise Air Term. Gowen Fld

Mon 3/9

5:37 pm-9:59 pm

2 stops26h 22m

$278

Washington, D.C.Boise

DCA - BOI

DCABOI

Washington, D.C. Reagan-National

Thu 2/26

6:00 pm-11:11 am

1 stop19h 11m

Boise Air Term. Gowen Fld

Mon 3/9

5:37 pm-9:59 pm

2 stops26h 22m

$301

BaltimoreBoise

BWI - BOI

BWIBOI

Baltimore/Washington

Wed 2/25

8:42 am-4:07 pm

1 stop9h 25m

Boise Air Term. Gowen Fld

Sun 3/8

7:07 am-5:23 pm

1 stop8h 16m

$329

Flights are sorted by cheapest round-trip flights first.

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See travel insights to Boise from

How to get the cheapest flight ticket from Washington, D.C. to Boise

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 Washington, D.C. and Boise?

What is the cheapest month to fly to Boise?

The month of April is, on average, the cheapest month to fly to Boise from Washington, D.C., with most prices found around $299. If you aren’t able to travel during the month of April, then book flights to Boise from Washington, D.C. during May instead. Flights to Boise in May, while not as cheap as those in April, still average around $300.

Can stopping save me money on Washington, D.C. to Boise flights?

You could potentially save up to 39% on your flight if you consider stops on a Washington, D.C. to Boise flight.

How have Washington, D.C. to Boise flight prices changed over time?

As of February 2026, prices for Washington, D.C. to Boise flights are approximately 19% cheaper when compared to flights at the same time last year.

When to book flights from Washington, D.C. to Boise

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. to Boise according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Washington, D.C. to Boise (WAS to BOI) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. to Boise

Fastest flight time

6h 30m

Direct flights

None
The fastest flight from Washington, D.C. to Boise takes 6h 30m
There are no direct flights from Washington, D.C. to Boise. There are no popular flight routes from Washington, D.C. to Boise.
Search flight deals

  • How far is Washington, D.C. to Boise Air Term. Gowen Fld by plane?

    There are 2039.5 mi between Washington, D.C. and Boise Air Term. Gowen Fld. A reasonable flight in good conditions will take 6h 30m.

  • When did momondo last update prices for flights from Washington, D.C. to Boise Air Term. Gowen Fld Airport?

    Prices for flights from Washington, D.C. to Boise Air Term. Gowen Fld Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Washington, D.C. to Boise Air Term. Gowen Fld Airport?

  • How old do you have to be to fly from Washington, D.C. to Boise Air Term. Gowen Fld Airport?

    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 Washington, D.C. to Boise Air Term. Gowen Fld Airport.

  • What documentation or ID do you need to fly to Boise Air Term. Gowen Fld Airport?

    The travel and health documents you'll need for your trip to Boise Air Term. Gowen Fld Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Boise Air Term. Gowen Fld Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Washington, D.C. to Boise?

Best airlines flying from Washington, D.C. to Boise

Compare and see reviews for airlines that fly from Washington, D.C. to Boise with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $150Free CancellationRating
7.9
8,138 reviews
Search Delta flights
Alaska AirlinesPriceFrom $182Free CancellationRating
8.0
11,833 reviews
Search Alaska Airlines flights
United AirlinesPriceFrom $221Free CancellationRating
7.4
9,236 reviews
Search United Airlines flights
American AirlinesPriceFrom $300Free CancellationRating
7.2
11,216 reviews
Search American Airlines flights
SouthwestPriceFrom $346Free CancellationRating
8.0
4,272 reviews
Search Southwest flights

Traveling to a place near Boise?

Book flights to Boise if you plan to visit one of these locations
Nampa
Meridian
McCall
Caldwell
Ontario
Eagle

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Boise?

Finding the right flight to Boise from Washington, D.C. is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Boise quick and easy, saving you time and money.

Can I find flights from Washington, D.C. to Boise with flexible booking policies on momondo?

All flight searches from Washington, D.C. to Boise on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Washington, D.C. to Boise?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Boise from Washington, D.C..

I’m not ready to book a flight from Washington, D.C. to Boise right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Washington, D.C. to Boise flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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