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Cheap flights from Washington, D.C. Dulles Intl Airport to Boise from $126

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. Dulles Intl Airport to Boise departing on 4/14. 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. Dulles Intl Airport 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
2:18 pm - 12:27 am
BOI
-
IAD
8h 09m
1 stop
$251Delta
Tue, Apr 14 - Sat, Apr 18
Delta Logo
6:00 am - 2:26 pm
IAD
-
BOI
10h 26m
2 stops
Delta Logo
1:52 pm - 11:55 pm
BOI
-
IAD
8h 03m
1 stop
$256Delta
Tue, Apr 14 - Sat, Apr 18
Delta Logo
7:00 am - 9:01 pm
IAD
-
BOI
16h 01m
1 stop
Delta Logo
11:40 pm - 9:10 am
BOI
-
IAD
7h 30m
1 stop
$267Delta
Sat, Apr 4 - Tue, Apr 7
Delta Logo
7:00 am - 4:14 pm
IAD
-
BOI
11h 14m
1 stop
Delta Logo
12:16 pm - 11:59 pm
BOI
-
IAD
9h 43m
1 stop
$283Delta
Tue, Apr 28 - Thu, May 7
American Airlines Logo
6:00 am - 12:48 pm
IAD
-
BOI
8h 48m
1 stop
American Airlines Logo
6:33 pm - 8:48 am
BOI
-
IAD
12h 15m
2 stops
$284American Airlines
Wed, Mar 18 - Tue, Mar 24
Delta Logo
7:00 am - 1:05 pm
IAD
-
BOI
8h 05m
1 stop
Delta Logo
11:40 pm - 9:10 am
BOI
-
IAD
7h 30m
1 stop
$287Delta
Fri, Apr 3 - Tue, Apr 7
Delta Logo
7:00 am - 1:12 pm
IAD
-
BOI
8h 12m
1 stop
Delta Logo
8:55 pm - 11:18 am
BOI
-
IAD
12h 23m
2 stops
$288Delta
Tue, Apr 28 - Thu, May 7
Delta Logo
7:00 am - 1:05 pm
IAD
-
BOI
8h 05m
1 stop
Delta Logo
11:40 pm - 11:32 am
BOI
-
IAD
9h 52m
2 stops
$292Delta
Fri, Apr 3 - Tue, Apr 7
Alaska Airlines Logo
7:11 pm - 10:21 am
IAD
-
BOI
17h 10m
1 stop
Alaska Airlines Logo
6:00 am - 12:09 am
BOI
-
IAD
16h 09m
1 stop
$303Alaska Airlines
Fri, Apr 17 - Wed, Apr 22
United Airlines Logo
4:10 pm - 11:57 pm
IAD
-
BOI
9h 47m
1 stop
United Airlines Logo
5:00 am - 1:05 pm
BOI
-
IAD
6h 05m
1 stop
$307United Airlines
Wed, Mar 18 - Thu, Mar 26

Alaska Airlines flights from Washington, D.C. Dulles Intl Airport to Boise

Our best Alaska Airlines deals on Washington, D.C. Dulles Intl Airport to Boise flight tickets
Alaska Airlines
Apr 17
IAD7:11 pmWashington, D.C. Dulles Intl
17h 10m
1 stop
BOI10:21 amBoise Air Term. Gowen Fld
Apr 22
BOI6:00 amBoise Air Term. Gowen Fld
16h 09m
1 stop
IAD12:09 amWashington, D.C. Dulles Intl
$303
Alaska Airlines
May 23
IAD7:37 pmWashington, D.C. Dulles Intl
20h 21m
1 stop
BOI1:58 pmBoise Air Term. Gowen Fld
May 27
BOI8:51 pmBoise Air Term. Gowen Fld
8h 43m
1 stop
IAD7:34 amWashington, D.C. Dulles Intl
$311
Alaska Airlines
Apr 16
IAD7:00 amWashington, D.C. Dulles Intl
17h 57m
1 stop
BOI10:57 pmBoise Air Term. Gowen Fld
Apr 20
BOI6:04 pmBoise Air Term. Gowen Fld
9h 36m
1 stop
IAD5:40 amWashington, D.C. Dulles Intl
$323

Southwest flights from Washington, D.C. Dulles Intl Airport to Boise

Our best Southwest deals on Washington, D.C. Dulles Intl Airport to Boise flight tickets
Southwest
May 2
IAD5:50 amWashington, D.C. Dulles Intl
10h 20m
2 stops
BOI2:10 pmBoise Air Term. Gowen Fld
May 9
BOI7:05 amBoise Air Term. Gowen Fld
13h 50m
2 stops
IAD10:55 pmWashington, D.C. Dulles Intl
$389
Southwest
Apr 28
IAD4:30 pmWashington, D.C. Dulles Intl
9h 55m
2 stops
BOI12:25 amBoise Air Term. Gowen Fld
May 5
BOI6:00 amBoise Air Term. Gowen Fld
15h 40m
2 stops
IAD11:40 pmWashington, D.C. Dulles Intl
$395
Southwest
Mar 7
IAD5:50 amWashington, D.C. Dulles Intl
17h 40m
2 stops
BOI9:30 pmBoise Air Term. Gowen Fld
Mar 11
BOI5:40 amBoise Air Term. Gowen Fld
16h 00m
2 stops
IAD11:40 pmWashington, D.C. Dulles Intl
$647

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. Dulles Intl Airport 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 22, 2026.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport 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

Sat 4/18

2:18 pm-12:27 am

1 stop8h 09m

$251

Washington, D.C.Boise

IAD - BOI

IADBOI

Washington, D.C. Dulles Intl

Tue 4/14

6:00 am-2:26 pm

2 stops10h 26m

Boise Air Term. Gowen Fld

Sat 4/18

1:52 pm-11:55 pm

1 stop8h 03m

$256

Washington, D.C.Boise

IAD - BOI

IADBOI

Washington, D.C. Dulles Intl

Sat 4/4

7:00 am-9:01 pm

1 stop16h 01m

Boise Air Term. Gowen Fld

Tue 4/7

11:40 pm-9:10 am

1 stop7h 30m

$267

Washington, D.C.Boise

IAD - BOI

IADBOI

Washington, D.C. Dulles Intl

Tue 4/28

7:00 am-4:14 pm

1 stop11h 14m

Boise Air Term. Gowen Fld

Thu 5/7

12:16 pm-11:59 pm

1 stop9h 43m

$283

Washington, D.C.Boise

IAD - BOI

IADBOI

Washington, D.C. Dulles Intl

Wed 3/18

6:00 am-12:48 pm

1 stop8h 48m

Boise Air Term. Gowen Fld

Tue 3/24

6:33 pm-8:48 am

2 stops12h 15m

$284

Washington, D.C.Boise

IAD - BOI

IADBOI

Washington, D.C. Dulles Intl

Fri 4/3

7:00 am-1:05 pm

1 stop8h 05m

Boise Air Term. Gowen Fld

Tue 4/7

11:40 pm-9:10 am

1 stop7h 30m

$287

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

8:55 pm-11:18 am

2 stops12h 23m

$288

Washington, D.C.Boise

IAD - BOI

IADBOI

Washington, D.C. Dulles Intl

Fri 4/3

7:00 am-1:05 pm

1 stop8h 05m

Boise Air Term. Gowen Fld

Tue 4/7

11:40 pm-11:32 am

2 stops9h 52m

$292

Washington, D.C.Boise

IAD - BOI

IADBOI

Washington, D.C. Dulles Intl

Fri 4/17

7:11 pm-10:21 am

1 stop17h 10m

Boise Air Term. Gowen Fld

Wed 4/22

6:00 am-12:09 am

1 stop16h 09m

$303

Washington, D.C.Boise

IAD - BOI

IADBOI

Washington, D.C. Dulles Intl

Wed 3/18

4:10 pm-11:57 pm

1 stop9h 47m

Boise Air Term. Gowen Fld

Thu 3/26

5:00 am-1:05 pm

1 stop6h 05m

$307

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. Dulles Intl Airport 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 May is, on average, the cheapest month to fly to Boise from Washington, D.C. Dulles Intl Airport, with most prices found around $304. If you aren’t able to travel during the month of May, then book flights to Boise from Washington, D.C. Dulles Intl Airport during November instead. Flights to Boise in November, while not as cheap as those in May, still average around $308.

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

As of February 2026, prices for Washington, D.C. Dulles Intl Airport to Boise flights are approximately 27% cheaper when compared to flights at the same time last year.

When to book flights from Washington, D.C. Dulles Intl Airport to Boise

Are you open to changing your travel dates? Check out the ideal times to fly from Washington, D.C. Dulles Intl Airport 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. Dulles Intl Airport to Boise (IAD to BOI) flight deals and tips

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

Fastest flight time

7h 10m

Direct flights

None
The fastest flight from Washington, D.C. Dulles Intl Airport to Boise takes 7h 10m
There are no direct flights from Washington, D.C. Dulles Intl Airport to Boise. There are no popular flight routes from Washington, D.C. Dulles Intl Airport to Boise.
Search flight deals

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

    The distance between Washington, D.C. Dulles Intl and Boise Air Term. Gowen Fld is about 2017.8 mi. In terms of flight time, this usually takes a little over 7h 10m.

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

    Prices for flights from Washington, D.C. Dulles Intl Airport 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. Dulles Intl Airport to Boise Air Term. Gowen Fld Airport?

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. Dulles Intl Airport to Boise Air Term. Gowen Fld Airport.

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

    The necessary travel and health documents for your Boise Air Term. Gowen Fld Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

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

Best airlines flying from Washington, D.C. Dulles Intl Airport to Boise

Compare and see reviews for airlines that fly from Washington, D.C. Dulles Intl Airport to Boise with momondo
Airline
Rating
Free Cancellation
Price
Alaska AirlinesPriceFrom $182Free CancellationRating
8.0
11,937 reviews
Search Alaska Airlines flights
DeltaPriceFrom $227Free CancellationRating
7.9
8,235 reviews
Search Delta flights
United AirlinesPriceFrom $278Free CancellationRating
7.4
9,342 reviews
Search United Airlines flights
SouthwestPriceFrom $429Free CancellationRating
8.0
4,300 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

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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?

Yes. All flights to Boise from Washington, D.C. on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Washington, D.C. to Boise.

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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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