Cheap flights from Washington, D.C. to Boise from $117

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 4/7. 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.
Delta Logo
7:00 am - 1:12 pm
IAD
-
BOI
8h 12m
1 stop
Delta Logo
1:52 pm - 11:55 pm
BOI
-
IAD
8h 03m
1 stop
$223Delta
Tue, Apr 14 - Tue, Apr 21
Delta Logo
4:39 pm - 12:17 am
DCA
-
BOI
9h 38m
1 stop
Delta Logo
5:40 am - 3:27 pm
BOI
-
DCA
7h 47m
1 stop
$223Delta
Tue, Apr 14 - Tue, Apr 21
Alaska Airlines Logo
7:10 am - 11:59 pm
IAD
-
BOI
18h 49m
1 stop
Alaska Airlines Logo
6:08 pm - 12:09 am
BOI
-
IAD
28h 01m
1 stop
$227Alaska Airlines
Tue, Apr 28 - Tue, May 5
Delta Logo
7:00 am - 1:12 pm
IAD
-
BOI
8h 12m
1 stop
Delta Logo
8:40 pm - 12:05 pm
BOI
-
IAD
13h 25m
2 stops
$228Delta
Tue, Apr 14 - Tue, Apr 21
Delta Logo
7:00 am - 1:12 pm
IAD
-
BOI
8h 12m
1 stop
Delta Logo
8:56 am - 10:56 pm
BOI
-
IAD
12h 00m
2 stops
$230Delta
Tue, Apr 28 - Thu, May 7
United Airlines Logo
4:18 pm - 10:35 pm
BWI
-
BOI
8h 17m
1 stop
United Airlines Logo
6:30 am - 3:06 pm
BOI
-
BWI
6h 36m
1 stop
$233United Airlines
Tue, Apr 28 - Tue, May 5
United Airlines Logo
6:23 am - 4:48 pm
BWI
-
BOI
12h 25m
2 stops
United Airlines Logo
2:37 pm - 11:24 pm
BOI
-
BWI
6h 47m
1 stop
$238United Airlines
Tue, Apr 14 - Tue, Apr 21
Alaska Airlines Logo
7:00 am - 1:58 pm
IAD
-
BOI
8h 58m
1 stop
Alaska Airlines Logo
6:04 pm - 5:40 am
BOI
-
IAD
9h 36m
1 stop
$242Alaska Airlines
Tue, Apr 14 - Sat, Apr 18
Southwest Logo
5:25 pm - 11:50 pm
BWI
-
BOI
8h 25m
1 stop
Southwest Logo
2:05 pm - 12:25 am
BOI
-
BWI
8h 20m
1 stop
$307Southwest
Tue, Mar 31 - Tue, Apr 7
American Airlines Logo
4:11 pm - 10:38 pm
BWI
-
BOI
8h 27m
1 stop
American Airlines Logo
1:29 pm - 11:56 pm
BOI
-
BWI
8h 27m
1 stop
$312American Airlines
Tue, Apr 7 - Sat, Apr 11

Delta flights from Washington, D.C. to Boise

Our best Delta deals on Washington, D.C. to Boise flight tickets
Delta
Apr 14
IAD7:00 amWashington, D.C. Dulles Intl
8h 12m
1 stop
BOI1:12 pmBoise Air Term. Gowen Fld
Apr 21
BOI1:52 pmBoise Air Term. Gowen Fld
8h 03m
1 stop
IAD11:55 pmWashington, D.C. Dulles Intl
$223
Delta
Apr 14
IAD7:00 amWashington, D.C. Dulles Intl
8h 12m
1 stop
BOI1:12 pmBoise Air Term. Gowen Fld
Apr 21
BOI8:40 pmBoise Air Term. Gowen Fld
13h 25m
2 stops
IAD12:05 pmWashington, D.C. Dulles Intl
$228
Delta
Apr 28
IAD7:00 amWashington, D.C. Dulles Intl
8h 12m
1 stop
BOI1:12 pmBoise Air Term. Gowen Fld
May 7
BOI8:56 amBoise Air Term. Gowen Fld
12h 00m
2 stops
IAD10:56 pmWashington, D.C. Dulles Intl
$230

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

Our best Alaska Airlines deals on Washington, D.C. to Boise flight tickets
Alaska Airlines
Apr 28
IAD7:10 amWashington, D.C. Dulles Intl
18h 49m
1 stop
BOI11:59 pmBoise Air Term. Gowen Fld
May 5
BOI6:08 pmBoise Air Term. Gowen Fld
28h 01m
1 stop
IAD12:09 amWashington, D.C. Dulles Intl
$227
Alaska Airlines
Apr 14
IAD7:00 amWashington, D.C. Dulles Intl
8h 58m
1 stop
BOI1:58 pmBoise Air Term. Gowen Fld
Apr 18
BOI6:04 pmBoise Air Term. Gowen Fld
9h 36m
1 stop
IAD5:40 amWashington, D.C. Dulles Intl
$242
Alaska Airlines
Apr 25
IAD7:10 amWashington, D.C. Dulles Intl
8h 42m
1 stop
BOI1:52 pmBoise Air Term. Gowen Fld
Apr 28
BOI7:43 amBoise Air Term. Gowen Fld
7h 58m
1 stop
IAD5:41 pmWashington, D.C. Dulles Intl
$251

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 March 1, 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

IAD - BOI

IADBOI

Washington, D.C. Dulles Intl

Tue 4/14

7:00 am-1:12 pm

1 stop8h 12m

Boise Air Term. Gowen Fld

Tue 4/21

1:52 pm-11:55 pm

1 stop8h 03m

$223

Washington, D.C.Boise

DCA - BOI

DCABOI

Washington, D.C. Reagan-National

Tue 4/14

4:39 pm-12:17 am

1 stop9h 38m

Boise Air Term. Gowen Fld

Tue 4/21

5:40 am-3:27 pm

1 stop7h 47m

$223

Washington, D.C.Boise

IAD - BOI

IADBOI

Washington, D.C. Dulles Intl

Tue 4/28

7:10 am-11:59 pm

1 stop18h 49m

Boise Air Term. Gowen Fld

Tue 5/5

6:08 pm-12:09 am

1 stop28h 01m

$227

Washington, D.C.Boise

IAD - BOI

IADBOI

Washington, D.C. Dulles Intl

Tue 4/14

7:00 am-1:12 pm

1 stop8h 12m

Boise Air Term. Gowen Fld

Tue 4/21

8:40 pm-12:05 pm

2 stops13h 25m

$228

Washington, D.C.Boise

IAD - BOI

IADBOI

Washington, D.C. Dulles Intl

Tue 4/28

7:00 am-1:12 pm

1 stop8h 12m

Boise Air Term. Gowen Fld

Thu 5/7

8:56 am-10:56 pm

2 stops12h 00m

$230

BaltimoreBoise

BWI - BOI

BWIBOI

Baltimore/Washington

Tue 4/28

4:18 pm-10:35 pm

1 stop8h 17m

Boise Air Term. Gowen Fld

Tue 5/5

6:30 am-3:06 pm

1 stop6h 36m

$233

BaltimoreBoise

BWI - BOI

BWIBOI

Baltimore/Washington

Tue 4/14

6:23 am-4:48 pm

2 stops12h 25m

Boise Air Term. Gowen Fld

Tue 4/21

2:37 pm-11:24 pm

1 stop6h 47m

$238

Washington, D.C.Boise

IAD - BOI

IADBOI

Washington, D.C. Dulles Intl

Tue 4/14

7:00 am-1:58 pm

1 stop8h 58m

Boise Air Term. Gowen Fld

Sat 4/18

6:04 pm-5:40 am

1 stop9h 36m

$242

BaltimoreBoise

BWI - BOI

BWIBOI

Baltimore/Washington

Tue 3/31

5:25 pm-11:50 pm

1 stop8h 25m

Boise Air Term. Gowen Fld

Tue 4/7

2:05 pm-12:25 am

1 stop8h 20m

$307

BaltimoreBoise

BWI - BOI

BWIBOI

Baltimore/Washington

Tue 4/7

4:11 pm-10:38 pm

1 stop8h 27m

Boise Air Term. Gowen Fld

Sat 4/11

1:29 pm-11:56 pm

1 stop8h 27m

$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 $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.

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

You could potentially save up to 43% 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 March 2026, prices for Washington, D.C. to Boise flights are approximately 44% 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 35m

Direct flights

None
The fastest flight from Washington, D.C. to Boise takes 6h 35m
There are no direct flights from Washington, D.C. to Boise. There are no popular flight routes from Washington, D.C. to Boise.
  • 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 35m.

  • 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
8,244 reviews
Search Delta flights
Alaska AirlinesPriceFrom $182Free CancellationRating
8.0
11,972 reviews
Search Alaska Airlines flights
United AirlinesPriceFrom $221Free CancellationRating
7.4
9,370 reviews
Search United Airlines flights
American AirlinesPriceFrom $300Free CancellationRating
7.1
11,370 reviews
Search American Airlines flights
SouthwestPriceFrom $342Free CancellationRating
8.0
4,303 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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