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Cheap flights from Washington, D.C. to Boise from $76

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 11/12. 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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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
6:00 pm - 11:49 amDCA-BOI
19h 49m1 stop
Frontier Logo
12:44 pm - 1:06 pmBOI-DCA
22h 22m1 stop
$138Frontier
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Sat, Dec 6 - Fri, Dec 12
Frontier Logo
2:00 pm - 11:49 amDCA-BOI
23h 49m1 stop
Frontier Logo
12:44 pm - 9:59 pmBOI-DCA
7h 15m1 stop
$161Frontier
Find Deal
Sat, Dec 6 - Sun, Dec 14
Alaska Airlines Logo
8:00 am - 3:10 pmDCA-BOI
9h 10m1 stop
Alaska Airlines Logo
5:40 am - 4:01 pmBOI-DCA
8h 21m1 stop
$290Alaska Airlines
Find Deal
Sat, Jan 17 - Sun, Jan 18
Delta Logo
8:45 am - 8:12 pmBWI-BOI
13h 27m2 stops
Delta Logo
8:50 am - 11:42 pmBOI-BWI
12h 52m2 stops
$294Delta
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Wed, Jan 14 - Wed, Jan 21
Alaska Airlines Logo
5:01 pm - 11:59 pmDCA-BOI
8h 58m1 stop
Alaska Airlines Logo
10:00 am - 9:59 pmBOI-DCA
9h 59m1 stop
$300Alaska Airlines
Find Deal
Tue, Jan 27 - Wed, Jan 28
Delta Logo
8:45 am - 8:12 pmBWI-BOI
13h 27m2 stops
Delta Logo
8:50 am - 11:28 pmBOI-BWI
12h 38m2 stops
$304Delta
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Wed, Jan 14 - Fri, Jan 23
United Airlines Logo
4:11 pm - 9:32 pmDCA-BOI
7h 21m1 stop
United Airlines Logo
8:41 am - 9:36 pmBOI-DCA
10h 55m1 stop
$316United Airlines
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Sat, Feb 21 - Sat, Feb 28
Southwest Logo
9:05 am - 5:15 pmIAD-BOI
10h 10m2 stops
Southwest Logo
7:45 am - 3:50 pmBOI-IAD
6h 05m1 stop
$326Southwest
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Tue, Jan 27 - Wed, Jan 28
Southwest Logo
4:40 pm - 10:30 pmDCA-BOI
7h 50m1 stop
Southwest Logo
11:20 am - 11:15 pmBOI-DCA
9h 55m2 stops
$326Southwest
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Tue, Jan 27 - Wed, Jan 28
United Airlines Logo
10:05 am - 7:51 pmBWI-BOI
11h 46m2 stops
United Airlines Logo
10:15 am - 9:26 pmBOI-BWI
9h 11m1 stop
$377United Airlines
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Fri, Jan 16 - Sat, Jan 17

Delta flights from Washington, D.C. to Boise

Our best Delta deals on Washington, D.C. to Boise flight tickets
Delta
Jan 14
BWI8:45 amBaltimore/Washington
13h 27m
2 stops
BOI8:12 pmBoise Air Term. Gowen Fld
Jan 21
BOI8:50 amBoise Air Term. Gowen Fld
12h 52m
2 stops
BWI11:42 pmBaltimore/Washington
$294
Find similar
Delta
Jan 14
BWI8:45 amBaltimore/Washington
13h 27m
2 stops
BOI8:12 pmBoise Air Term. Gowen Fld
Jan 23
BOI8:50 amBoise Air Term. Gowen Fld
12h 38m
2 stops
BWI11:28 pmBaltimore/Washington
$304
Find similar
Delta
Jan 13
BWI7:00 amBaltimore/Washington
7h 04m
1 stop
BOI12:04 pmBoise Air Term. Gowen Fld
Jan 20
BOI1:41 pmBoise Air Term. Gowen Fld
9h 04m
1 stop
BWI12:45 amBaltimore/Washington
$307
Find similar

Southwest flights from Washington, D.C. to Boise

Our best Southwest deals on Washington, D.C. to Boise flight tickets
Southwest
Jan 27
IAD9:05 amWashington, D.C. Dulles Intl
10h 10m
2 stops
BOI5:15 pmBoise Air Term. Gowen Fld
Jan 28
BOI7:45 amBoise Air Term. Gowen Fld
6h 05m
1 stop
IAD3:50 pmWashington, D.C. Dulles Intl
$326
Find similar
Southwest
Dec 16
BWI4:30 pmBaltimore/Washington
7h 55m
1 stop
BOI10:25 pmBoise Air Term. Gowen Fld
Jan 5
BOI8:10 pmBoise Air Term. Gowen Fld
7h 35m
1 stop
BWI5:45 amBaltimore/Washington
$329
Find similar
Southwest
Jan 27
DCA9:30 amWashington, D.C. Reagan-National
9h 45m
2 stops
BOI5:15 pmBoise Air Term. Gowen Fld
Jan 28
BOI1:30 pmBoise Air Term. Gowen Fld
7h 25m
2 stops
DCA10:55 pmWashington, D.C. Reagan-National
$331
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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 October 30, 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

Sat 12/6

6:00 pm-11:49 am

1 stop19h 49m

Boise Air Term. Gowen Fld

Fri 12/12

12:44 pm-1:06 pm

1 stop22h 22m

$138

Washington, D.C.Boise

DCA - BOI

DCABOI

Washington, D.C. Reagan-National

Sat 12/6

2:00 pm-11:49 am

1 stop23h 49m

Boise Air Term. Gowen Fld

Sun 12/14

12:44 pm-9:59 pm

1 stop7h 15m

$161

Washington, D.C.Boise

DCA - BOI

DCABOI

Washington, D.C. Reagan-National

Sat 1/17

8:00 am-3:10 pm

1 stop9h 10m

Boise Air Term. Gowen Fld

Sun 1/18

5:40 am-4:01 pm

1 stop8h 21m

$290

BaltimoreBoise

BWI - BOI

BWIBOI

Baltimore/Washington

Wed 1/14

8:45 am-8:12 pm

2 stops13h 27m

Boise Air Term. Gowen Fld

Wed 1/21

8:50 am-11:42 pm

2 stops12h 52m

$294

Washington, D.C.Boise

DCA - BOI

DCABOI

Washington, D.C. Reagan-National

Tue 1/27

5:01 pm-11:59 pm

1 stop8h 58m

Boise Air Term. Gowen Fld

Wed 1/28

10:00 am-9:59 pm

1 stop9h 59m

$300

BaltimoreBoise

BWI - BOI

BWIBOI

Baltimore/Washington

Wed 1/14

8:45 am-8:12 pm

2 stops13h 27m

Boise Air Term. Gowen Fld

Fri 1/23

8:50 am-11:28 pm

2 stops12h 38m

$304

Washington, D.C.Boise

DCA - BOI

DCABOI

Washington, D.C. Reagan-National

Sat 2/21

4:11 pm-9:32 pm

1 stop7h 21m

Boise Air Term. Gowen Fld

Sat 2/28

8:41 am-9:36 pm

1 stop10h 55m

$316

Washington, D.C.Boise

IAD - BOI

IADBOI

Washington, D.C. Dulles Intl

Tue 1/27

9:05 am-5:15 pm

2 stops10h 10m

Boise Air Term. Gowen Fld

Wed 1/28

7:45 am-3:50 pm

1 stop6h 05m

$326

Washington, D.C.Boise

DCA - BOI

DCABOI

Washington, D.C. Reagan-National

Tue 1/27

4:40 pm-10:30 pm

1 stop7h 50m

Boise Air Term. Gowen Fld

Wed 1/28

11:20 am-11:15 pm

2 stops9h 55m

$326

BaltimoreBoise

BWI - BOI

BWIBOI

Baltimore/Washington

Fri 1/16

10:05 am-7:51 pm

2 stops11h 46m

Boise Air Term. Gowen Fld

Sat 1/17

10:15 am-9:26 pm

1 stop9h 11m

$377

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 $296. 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.

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

As of October 2025, 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

Direct flights

None
There are no direct flights from Washington, D.C. to Boise. There are no popular flight routes from Washington, D.C. to Boise.
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  • 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 49m.

  • 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
11,217 reviews
Search Alaska Airlines flights
DeltaPriceFrom $202Free CancellationRating
7.9
7,998 reviews
Search Delta flights
United AirlinesPriceFrom $222Free CancellationRating
7.4
8,998 reviews
Search United Airlines flights
American AirlinesPriceFrom $300Free CancellationRating
7.2
11,035 reviews
Search American Airlines flights
SouthwestPriceFrom $347Free CancellationRating
8.0
4,243 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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