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Cheap flights from Washington, D.C. to Boise from $91

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 1/15. 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
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
8:01 am - 11:17 am
DCA
-
BOI
29h 16m1 stop
Frontier Logo
2:01 pm - 1:02 pm
BOI
-
DCA
21h 01m1 stop
$257Frontier
Sun, Jan 11 - Sun, Jan 18
Delta Logo
6:05 am - 4:17 pm
BWI
-
BOI
12h 12m2 stops
Delta Logo
9:15 am - 10:02 pm
BOI
-
BWI
10h 47m2 stops
$276Delta
Wed, Jan 21 - Tue, Jan 27
United Airlines Logo
8:42 am - 4:10 pm
BWI
-
BOI
9h 28m1 stop
United Airlines Logo
10:15 am - 9:26 pm
BOI
-
BWI
9h 11m1 stop
$284United Airlines
Sat, Jan 17 - Sat, Jan 24
Alaska Airlines Logo
5:01 pm - 12:51 pm
DCA
-
BOI
21h 50m1 stop
Alaska Airlines Logo
11:35 am - 9:59 pm
BOI
-
DCA
8h 24m1 stop
$287Alaska Airlines
Sat, Jan 17 - Sat, Jan 24
Delta Logo
7:30 am - 4:17 pm
IAD
-
BOI
10h 47m1 stop
Delta Logo
1:51 pm - 11:10 pm
BOI
-
IAD
7h 19m1 stop
$287Delta
Wed, Feb 11 - Sun, Feb 15
Delta Logo
6:05 am - 2:02 pm
BWI
-
BOI
9h 57m1 stop
Delta Logo
10:39 am - 11:44 pm
BOI
-
BWI
11h 05m2 stops
$288Delta
Sat, Jan 17 - Sat, Jan 24
United Airlines Logo
10:05 am - 7:51 pm
BWI
-
BOI
11h 46m2 stops
United Airlines Logo
9:48 am - 9:21 pm
BOI
-
BWI
9h 33m2 stops
$294United Airlines
Sat, Jan 17 - Sat, Jan 24
Alaska Airlines Logo
7:14 pm - 10:52 am
BWI
-
BOI
17h 38m1 stop
Alaska Airlines Logo
6:23 am - 6:14 pm
BOI
-
BWI
9h 51m1 stop
$306Alaska Airlines
Wed, Jan 21 - Tue, Jan 27
Southwest Logo
6:00 am - 1:00 pm
DCA
-
BOI
9h 00m1 stop
Southwest Logo
6:50 am - 6:50 pm
BOI
-
DCA
10h 00m2 stops
$326Southwest
Sat, Jan 17 - Sat, Jan 24
Southwest Logo
6:45 am - 3:20 pm
BWI
-
BOI
10h 35m1 stop
Southwest Logo
7:05 am - 7:50 pm
BOI
-
BWI
10h 45m1 stop
$358Southwest
Sun, Jan 11 - Sun, Jan 18

Delta flights from Washington, D.C. to Boise

Our best Delta deals on Washington, D.C. to Boise flight tickets
Delta
Jan 21
BWI6:05 amBaltimore/Washington
12h 12m
2 stops
BOI4:17 pmBoise Air Term. Gowen Fld
Jan 27
BOI9:15 amBoise Air Term. Gowen Fld
10h 47m
2 stops
BWI10:02 pmBaltimore/Washington
$276
Find similar
Delta
Feb 11
IAD7:30 amWashington, D.C. Dulles Intl
10h 47m
1 stop
BOI4:17 pmBoise Air Term. Gowen Fld
Feb 15
BOI1:51 pmBoise Air Term. Gowen Fld
7h 19m
1 stop
IAD11:10 pmWashington, D.C. Dulles Intl
$287
Find similar
Delta
Jan 17
BWI6:05 amBaltimore/Washington
9h 57m
1 stop
BOI2:02 pmBoise Air Term. Gowen Fld
Jan 24
BOI10:39 amBoise Air Term. Gowen Fld
11h 05m
2 stops
BWI11:44 pmBaltimore/Washington
$288
Find similar

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

Our best Alaska Airlines deals on Washington, D.C. to Boise flight tickets
Alaska Airlines
Jan 17
DCA8:00 amWashington, D.C. Reagan-National
9h 10m
1 stop
BOI3:10 pmBoise Air Term. Gowen Fld
Jan 21
BOI5:55 pmBoise Air Term. Gowen Fld
20h 14m
1 stop
DCA4:09 pmWashington, D.C. Reagan-National
$287
Find similar
Alaska Airlines
Jan 21
BWI7:14 pmBaltimore/Washington
17h 38m
1 stop
BOI10:52 amBoise Air Term. Gowen Fld
Jan 27
BOI6:23 amBoise Air Term. Gowen Fld
9h 51m
1 stop
BWI6:14 pmBaltimore/Washington
$306
Find similar
Alaska Airlines
Feb 14
DCA8:00 amWashington, D.C. Reagan-National
16h 40m
1 stop
BOI10:40 pmBoise Air Term. Gowen Fld
Feb 19
BOI8:30 amBoise Air Term. Gowen Fld
11h 29m
1 stop
DCA9:59 pmWashington, D.C. Reagan-National
$307
Find similar

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 December 16, 2025.
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

Sun 1/11

8:01 am-11:17 am

1 stop29h 16m

Boise Air Term. Gowen Fld

Sun 1/18

2:01 pm-1:02 pm

1 stop21h 01m

$257

BaltimoreBoise

BWI - BOI

BWIBOI

Baltimore/Washington

Wed 1/21

6:05 am-4:17 pm

2 stops12h 12m

Boise Air Term. Gowen Fld

Tue 1/27

9:15 am-10:02 pm

2 stops10h 47m

$276

BaltimoreBoise

BWI - BOI

BWIBOI

Baltimore/Washington

Sat 1/17

8:42 am-4:10 pm

1 stop9h 28m

Boise Air Term. Gowen Fld

Sat 1/24

10:15 am-9:26 pm

1 stop9h 11m

$284

Washington, D.C.Boise

DCA - BOI

DCABOI

Washington, D.C. Reagan-National

Sat 1/17

5:01 pm-12:51 pm

1 stop21h 50m

Boise Air Term. Gowen Fld

Sat 1/24

11:35 am-9:59 pm

1 stop8h 24m

$287

Washington, D.C.Boise

IAD - BOI

IADBOI

Washington, D.C. Dulles Intl

Wed 2/11

7:30 am-4:17 pm

1 stop10h 47m

Boise Air Term. Gowen Fld

Sun 2/15

1:51 pm-11:10 pm

1 stop7h 19m

$287

BaltimoreBoise

BWI - BOI

BWIBOI

Baltimore/Washington

Sat 1/17

6:05 am-2:02 pm

1 stop9h 57m

Boise Air Term. Gowen Fld

Sat 1/24

10:39 am-11:44 pm

2 stops11h 05m

$288

BaltimoreBoise

BWI - BOI

BWIBOI

Baltimore/Washington

Sat 1/17

10:05 am-7:51 pm

2 stops11h 46m

Boise Air Term. Gowen Fld

Sat 1/24

9:48 am-9:21 pm

2 stops9h 33m

$294

BaltimoreBoise

BWI - BOI

BWIBOI

Baltimore/Washington

Wed 1/21

7:14 pm-10:52 am

1 stop17h 38m

Boise Air Term. Gowen Fld

Tue 1/27

6:23 am-6:14 pm

1 stop9h 51m

$306

Washington, D.C.Boise

DCA - BOI

DCABOI

Washington, D.C. Reagan-National

Sat 1/17

6:00 am-1:00 pm

1 stop9h 00m

Boise Air Term. Gowen Fld

Sat 1/24

6:50 am-6:50 pm

2 stops10h 00m

$326

BaltimoreBoise

BWI - BOI

BWIBOI

Baltimore/Washington

Sun 1/11

6:45 am-3:20 pm

1 stop10h 35m

Boise Air Term. Gowen Fld

Sun 1/18

7:05 am-7:50 pm

1 stop10h 45m

$358

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 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 $298. 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.

What is the cheapest day to depart on your flight to Boise?

Our data shows that Wednesday is the least expensive day to fly to Boise. Tickets to fly out on this day can be as low as $453. If your travel schedule is flexible, try to avoid departing on a Monday because tickets tend to average around $638. These prices are subject to change though, so be sure to set up a Price Alert for flights to Boise.

What is the cheapest time of day to depart on your flight to Boise?

Our data shows that the cheapest Washington, D.C. to Boise flights are usually those with departure times at noon. Our users have found flights to Boise at noon for as low as $432. In the evening is when there is more demand to fly to Boise, so prices are often more expensive at around $611 per ticket.

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

You could potentially save up to 19% 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 December 2025, prices for Washington, D.C. to Boise flights are approximately 88% more expensive 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 29m

Direct flights

None
The fastest flight from Washington, D.C. to Boise takes 6h 29m
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 29m.

  • 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
Alaska AirlinesPriceFrom $182Free CancellationRating
8.0
11,461 reviews
Search Alaska Airlines flights
DeltaPriceFrom $202Free CancellationRating
7.9
8,010 reviews
Search Delta flights
United AirlinesPriceFrom $221Free CancellationRating
7.4
9,095 reviews
Search United Airlines flights
American AirlinesPriceFrom $300Free CancellationRating
7.2
11,048 reviews
Search American Airlines flights
SouthwestPriceFrom $346Free CancellationRating
7.9
4,250 reviews
Search Southwest flights

Traveling to a place near Boise?

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