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Cheap flights from Washington, D.C. to Boise from $154

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 2/11. 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
6:00 pm - 11:12 amDCA-BOI
19h 12m1 stop
Frontier Logo
12:07 pm - 4:59 pmBOI-DCA
26h 52m1 stop
$182Frontier
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Sun, Feb 1 - Mon, Feb 9
Frontier Logo
6:00 pm - 11:59 amDCA-BOI
19h 59m1 stop
Frontier Logo
12:54 pm - 1:05 pmBOI-DCA
22h 11m1 stop
$205Frontier
Find Deal
Thu, Feb 19 - Thu, Feb 26
Multiple Airlines Logo
5:08 pm - 11:55 pmDCA-BOI
8h 47m1 stop
Multiple Airlines Logo
12:44 pm - 9:59 pmBOI-DCA
7h 15m1 stop
$229Multiple Airlines
Find Deal
Tue, Dec 9 - Thu, Dec 11
Multiple Airlines Logo
2:00 pm - 11:49 amDCA-BOI
23h 49m1 stop
Multiple Airlines Logo
10:41 pm - 4:59 pmBOI-DCA
16h 18m2 stops
$245Multiple Airlines
Find Deal
Thu, Dec 11 - Fri, Dec 12
Alaska Airlines Logo
7:05 am - 3:08 pmIAD-BOI
10h 03m1 stop
Alaska Airlines Logo
6:28 am - 5:20 pmBOI-IAD
8h 52m1 stop
$267Alaska Airlines
Find Deal
Thu, Feb 19 - Thu, Feb 26
Alaska Airlines Logo
8:00 am - 3:22 pmDCA-BOI
9h 22m1 stop
Alaska Airlines Logo
11:35 am - 9:59 pmBOI-DCA
8h 24m1 stop
$267Alaska Airlines
Find Deal
Tue, Jan 6 - Thu, Jan 15
Multiple Airlines Logo
8:00 am - 5:05 pmDCA-BOI
11h 05m2 stops
Multiple Airlines Logo
12:44 pm - 9:59 pmBOI-DCA
7h 15m1 stop
$268Multiple Airlines
Find Deal
Tue, Dec 9 - Thu, Dec 11
Delta Logo
9:05 am - 6:52 pmBWI-BOI
11h 47m2 stops
Delta Logo
4:45 pm - 6:00 amBOI-BWI
11h 15m2 stops
$276Delta
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Sat, Dec 6 - Fri, Dec 12
Delta Logo
7:30 am - 3:57 pmIAD-BOI
10h 27m1 stop
Delta Logo
1:45 pm - 11:10 pmBOI-IAD
7h 25m1 stop
$287Delta
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Thu, Jan 22 - Mon, Jan 26
Southwest Logo
4:00 pm - 10:30 pmBWI-BOI
8h 30m1 stop
Southwest Logo
8:30 am - 6:05 pmBOI-BWI
7h 35m2 stops
$312Southwest
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Wed, Feb 25 - Sat, Feb 28

Delta flights from Washington, D.C. to Boise

Our best Delta deals on Washington, D.C. to Boise flight tickets
Delta
Dec 6
BWI9:05 amBaltimore/Washington
11h 47m
2 stops
BOI6:52 pmBoise Air Term. Gowen Fld
Dec 12
BOI4:45 pmBoise Air Term. Gowen Fld
11h 15m
2 stops
BWI6:00 amBaltimore/Washington
$276
Find similar
Delta
Jan 22
IAD7:30 amWashington, D.C. Dulles Intl
10h 27m
1 stop
BOI3:57 pmBoise Air Term. Gowen Fld
Jan 26
BOI1:45 pmBoise Air Term. Gowen Fld
7h 25m
1 stop
IAD11:10 pmWashington, D.C. Dulles Intl
$287
Find similar
Delta
Feb 11
DCA9:55 amWashington, D.C. Reagan-National
10h 33m
2 stops
BOI6:28 pmBoise Air Term. Gowen Fld
Feb 15
BOI5:40 amBoise Air Term. Gowen Fld
7h 40m
1 stop
DCA3:20 pmWashington, D.C. Reagan-National
$292
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
Feb 19
IAD7:05 amWashington, D.C. Dulles Intl
10h 03m
1 stop
BOI3:08 pmBoise Air Term. Gowen Fld
Feb 26
BOI6:28 amBoise Air Term. Gowen Fld
8h 52m
1 stop
IAD5:20 pmWashington, D.C. Dulles Intl
$267
Find similar
Alaska Airlines
Dec 6
IAD7:34 amWashington, D.C. Dulles Intl
9h 52m
1 stop
BOI3:26 pmBoise Air Term. Gowen Fld
Dec 12
BOI8:26 pmBoise Air Term. Gowen Fld
7h 40m
1 stop
IAD6:06 amWashington, D.C. Dulles Intl
$285
Find similar
Alaska Airlines
Jan 22
DCA5:01 pmWashington, D.C. Reagan-National
21h 50m
1 stop
BOI12:51 pmBoise Air Term. Gowen Fld
Jan 25
BOI5:55 pmBoise Air Term. Gowen Fld
26h 04m
1 stop
DCA9:59 pmWashington, D.C. Reagan-National
$287
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 November 14, 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 2/1

6:00 pm-11:12 am

1 stop19h 12m

Boise Air Term. Gowen Fld

Mon 2/9

12:07 pm-4:59 pm

1 stop26h 52m

$182

Washington, D.C.Boise

DCA - BOI

DCABOI

Washington, D.C. Reagan-National

Thu 2/19

6:00 pm-11:59 am

1 stop19h 59m

Boise Air Term. Gowen Fld

Thu 2/26

12:54 pm-1:05 pm

1 stop22h 11m

$205

Washington, D.C.Boise

DCA - BOI

DCABOI

Washington, D.C. Reagan-National

Tue 12/9

5:08 pm-11:55 pm

1 stop8h 47m

Boise Air Term. Gowen Fld

Thu 12/11

12:44 pm-9:59 pm

1 stop7h 15m

$229

Washington, D.C.Boise

DCA - BOI

DCABOI

Washington, D.C. Reagan-National

Thu 12/11

2:00 pm-11:49 am

1 stop23h 49m

Boise Air Term. Gowen Fld

Fri 12/12

10:41 pm-4:59 pm

2 stops16h 18m

$245

Washington, D.C.Boise

IAD - BOI

IADBOI

Washington, D.C. Dulles Intl

Thu 2/19

7:05 am-3:08 pm

1 stop10h 03m

Boise Air Term. Gowen Fld

Thu 2/26

6:28 am-5:20 pm

1 stop8h 52m

$267

Washington, D.C.Boise

DCA - BOI

DCABOI

Washington, D.C. Reagan-National

Tue 1/6

8:00 am-3:22 pm

1 stop9h 22m

Boise Air Term. Gowen Fld

Thu 1/15

11:35 am-9:59 pm

1 stop8h 24m

$267

Washington, D.C.Boise

DCA - BOI

DCABOI

Washington, D.C. Reagan-National

Tue 12/9

8:00 am-5:05 pm

2 stops11h 05m

Boise Air Term. Gowen Fld

Thu 12/11

12:44 pm-9:59 pm

1 stop7h 15m

$268

BaltimoreBoise

BWI - BOI

BWIBOI

Baltimore/Washington

Sat 12/6

9:05 am-6:52 pm

2 stops11h 47m

Boise Air Term. Gowen Fld

Fri 12/12

4:45 pm-6:00 am

2 stops11h 15m

$276

Washington, D.C.Boise

IAD - BOI

IADBOI

Washington, D.C. Dulles Intl

Thu 1/22

7:30 am-3:57 pm

1 stop10h 27m

Boise Air Term. Gowen Fld

Mon 1/26

1:45 pm-11:10 pm

1 stop7h 25m

$287

BaltimoreBoise

BWI - BOI

BWIBOI

Baltimore/Washington

Wed 2/25

4:00 pm-10:30 pm

1 stop8h 30m

Boise Air Term. Gowen Fld

Sat 2/28

8:30 am-6:05 pm

2 stops7h 35m

$312

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 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 $294. 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 November 2025, prices for Washington, D.C. to Boise flights are approximately 38% 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 47m.

  • 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
11,288 reviews
Search Alaska Airlines flights
DeltaPriceFrom $202Free CancellationRating
7.9
8,006 reviews
Search Delta flights
United AirlinesPriceFrom $222Free CancellationRating
7.4
9,016 reviews
Search United Airlines flights
American AirlinesPriceFrom $300Free CancellationRating
7.2
11,051 reviews
Search American Airlines flights
SouthwestPriceFrom $347Free CancellationRating
8.0
4,242 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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