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Cheap flights from Washington, D.C. Dulles Intl Airport to Boise from $156

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 1/20. 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
7:30 am - 4:17 pm
IAD
-
BOI
10h 47m1 stop
Delta Logo
1:40 pm - 11:10 pm
BOI
-
IAD
7h 30m1 stop
$287Delta
Sat, Jan 17 - Wed, Jan 21
Delta Logo
7:30 am - 4:17 pm
IAD
-
BOI
10h 47m1 stop
Delta Logo
10:39 am - 11:06 pm
BOI
-
IAD
10h 27m2 stops
$292Delta
Sat, Jan 17 - Sat, Jan 24
Delta Logo
7:00 am - 6:28 pm
IAD
-
BOI
13h 28m2 stops
Delta Logo
9:15 am - 11:57 pm
BOI
-
IAD
12h 42m2 stops
$298Delta
Sat, Jan 17 - Wed, Jan 21
Alaska Airlines Logo
7:05 am - 11:59 pm
IAD
-
BOI
18h 54m1 stop
Alaska Airlines Logo
6:00 pm - 5:20 pm
BOI
-
IAD
21h 20m1 stop
$305Alaska Airlines
Sat, Feb 14 - Tue, Feb 17
Alaska Airlines Logo
6:04 pm - 12:51 pm
IAD
-
BOI
20h 47m1 stop
Alaska Airlines Logo
6:23 am - 4:26 pm
BOI
-
IAD
8h 03m1 stop
$306Alaska Airlines
Tue, Jan 20 - Sat, Jan 24
United Airlines Logo
8:25 am - 4:10 pm
IAD
-
BOI
9h 45m1 stop
United Airlines Logo
6:10 am - 3:12 pm
BOI
-
IAD
7h 02m1 stop
$316United Airlines
Tue, Jan 20 - Sat, Jan 24
Delta Logo
6:20 am - 5:35 pm
IAD
-
BOI
13h 15m2 stops
Delta Logo
1:40 pm - 11:10 pm
BOI
-
IAD
7h 30m1 stop
$321Delta
Tue, Jan 13 - Tue, Jan 20
Alaska Airlines Logo
6:04 pm - 12:51 pm
IAD
-
BOI
20h 47m1 stop
Alaska Airlines Logo
1:55 pm - 4:26 pm
BOI
-
IAD
24h 31m1 stop
$326Alaska Airlines
Thu, Jan 8 - Mon, Jan 12
Delta Logo
12:29 pm - 8:55 pm
IAD
-
BOI
10h 26m2 stops
Delta Logo
11:20 am - 12:24 am
BOI
-
IAD
11h 04m2 stops
$331Delta
Sat, Jan 17 - Wed, Jan 21
Alaska Airlines Logo
7:05 am - 10:40 pm
IAD
-
BOI
17h 35m1 stop
Alaska Airlines Logo
10:50 pm - 5:20 pm
BOI
-
IAD
16h 30m2 stops
$335Alaska Airlines
Sat, Feb 14 - Tue, Feb 17

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
Feb 14
IAD7:05 amWashington, D.C. Dulles Intl
18h 54m
1 stop
BOI11:59 pmBoise Air Term. Gowen Fld
Feb 17
BOI6:00 pmBoise Air Term. Gowen Fld
21h 20m
1 stop
IAD5:20 pmWashington, D.C. Dulles Intl
$305
Find similar
Alaska Airlines
Jan 20
IAD6:04 pmWashington, D.C. Dulles Intl
20h 47m
1 stop
BOI12:51 pmBoise Air Term. Gowen Fld
Jan 24
BOI6:23 amBoise Air Term. Gowen Fld
8h 03m
1 stop
IAD4:26 pmWashington, D.C. Dulles Intl
$306
Find similar
Alaska Airlines
Jan 8
IAD6:04 pmWashington, D.C. Dulles Intl
20h 47m
1 stop
BOI12:51 pmBoise Air Term. Gowen Fld
Jan 12
BOI1:55 pmBoise Air Term. Gowen Fld
24h 31m
1 stop
IAD4:26 pmWashington, D.C. Dulles Intl
$326
Find similar

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

Our best American Airlines deals on Washington, D.C. Dulles Intl Airport to Boise flight tickets
American Airlines
Jan 6
IAD6:00 amWashington, D.C. Dulles Intl
15h 25m
2 stops
BOI7:25 pmBoise Air Term. Gowen Fld
Jan 14
BOI6:13 amBoise Air Term. Gowen Fld
14h 59m
2 stops
IAD11:12 pmWashington, D.C. Dulles Intl
$376
Find similar
American Airlines
Feb 11
IAD6:00 amWashington, D.C. Dulles Intl
9h 08m
1 stop
BOI1:08 pmBoise Air Term. Gowen Fld
Feb 16
BOI7:00 amBoise Air Term. Gowen Fld
7h 56m
1 stop
IAD4:56 pmWashington, D.C. Dulles Intl
$381
Find similar
American Airlines
Feb 11
IAD6:00 amWashington, D.C. Dulles Intl
9h 08m
1 stop
BOI1:08 pmBoise Air Term. Gowen Fld
Feb 16
BOI7:00 amBoise Air Term. Gowen Fld
7h 56m
1 stop
IAD4:56 pmWashington, D.C. Dulles Intl
$432
Find similar

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 December 18, 2025.
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

Sat 1/17

7:30 am-4:17 pm

1 stop10h 47m

Boise Air Term. Gowen Fld

Wed 1/21

1:40 pm-11:10 pm

1 stop7h 30m

$287

Washington, D.C.Boise

IAD - BOI

IADBOI

Washington, D.C. Dulles Intl

Sat 1/17

7:30 am-4:17 pm

1 stop10h 47m

Boise Air Term. Gowen Fld

Sat 1/24

10:39 am-11:06 pm

2 stops10h 27m

$292

Washington, D.C.Boise

IAD - BOI

IADBOI

Washington, D.C. Dulles Intl

Sat 1/17

7:00 am-6:28 pm

2 stops13h 28m

Boise Air Term. Gowen Fld

Wed 1/21

9:15 am-11:57 pm

2 stops12h 42m

$298

Washington, D.C.Boise

IAD - BOI

IADBOI

Washington, D.C. Dulles Intl

Sat 2/14

7:05 am-11:59 pm

1 stop18h 54m

Boise Air Term. Gowen Fld

Tue 2/17

6:00 pm-5:20 pm

1 stop21h 20m

$305

Washington, D.C.Boise

IAD - BOI

IADBOI

Washington, D.C. Dulles Intl

Tue 1/20

6:04 pm-12:51 pm

1 stop20h 47m

Boise Air Term. Gowen Fld

Sat 1/24

6:23 am-4:26 pm

1 stop8h 03m

$306

Washington, D.C.Boise

IAD - BOI

IADBOI

Washington, D.C. Dulles Intl

Tue 1/20

8:25 am-4:10 pm

1 stop9h 45m

Boise Air Term. Gowen Fld

Sat 1/24

6:10 am-3:12 pm

1 stop7h 02m

$316

Washington, D.C.Boise

IAD - BOI

IADBOI

Washington, D.C. Dulles Intl

Tue 1/13

6:20 am-5:35 pm

2 stops13h 15m

Boise Air Term. Gowen Fld

Tue 1/20

1:40 pm-11:10 pm

1 stop7h 30m

$321

Washington, D.C.Boise

IAD - BOI

IADBOI

Washington, D.C. Dulles Intl

Thu 1/8

6:04 pm-12:51 pm

1 stop20h 47m

Boise Air Term. Gowen Fld

Mon 1/12

1:55 pm-4:26 pm

1 stop24h 31m

$326

Washington, D.C.Boise

IAD - BOI

IADBOI

Washington, D.C. Dulles Intl

Sat 1/17

12:29 pm-8:55 pm

2 stops10h 26m

Boise Air Term. Gowen Fld

Wed 1/21

11:20 am-12:24 am

2 stops11h 04m

$331

Washington, D.C.Boise

IAD - BOI

IADBOI

Washington, D.C. Dulles Intl

Sat 2/14

7:05 am-10:40 pm

1 stop17h 35m

Boise Air Term. Gowen Fld

Tue 2/17

10:50 pm-5:20 pm

2 stops16h 30m

$335

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. 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.

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. Dulles Intl Airport 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. Dulles Intl Airport to Boise flight prices changed over time?

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

6h 35m

Direct flights

None
The fastest flight from Washington, D.C. Dulles Intl Airport to Boise takes 6h 35m
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 6h 35m.

  • 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
11,476 reviews
Search Alaska Airlines flights
DeltaPriceFrom $237Free CancellationRating
7.9
8,007 reviews
Search Delta flights
United AirlinesPriceFrom $278Free CancellationRating
7.4
9,091 reviews
Search United Airlines flights
SouthwestPriceFrom $429Free CancellationRating
7.9
4,249 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

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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.

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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