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Cheap flights from Washington, D.C. Dulles Intl Airport to Boise from $147

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 7/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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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
7:10 am - 3:18 pm
IAD
-
BOI
10h 08m
1 stop
Delta Logo
12:23 pm - 11:59 pm
BOI
-
IAD
9h 36m
1 stop
$265Delta
Wed, Aug 5 - Tue, Aug 11
Delta Logo
6:00 am - 1:42 pm
IAD
-
BOI
9h 42m
1 stop
Delta Logo
12:23 pm - 11:59 pm
BOI
-
IAD
9h 36m
1 stop
$293Delta
Sat, Aug 22 - Sat, Aug 29
American Airlines Logo
2:53 pm - 10:20 pm
IAD
-
BOI
9h 27m
1 stop
American Airlines Logo
6:44 am - 6:27 pm
BOI
-
IAD
9h 43m
1 stop
$294American Airlines
Sat, Aug 29 - Sat, Sep 5
Delta Logo
6:00 am - 1:42 pm
IAD
-
BOI
9h 42m
1 stop
Delta Logo
10:58 am - 7:59 pm
BOI
-
IAD
7h 01m
1 stop
$303Delta
Thu, Aug 20 - Sat, Aug 29
American Airlines Logo
2:53 pm - 10:20 pm
IAD
-
BOI
9h 27m
1 stop
American Airlines Logo
6:44 am - 6:27 pm
BOI
-
IAD
9h 43m
1 stop
$304American Airlines
Sat, Aug 22 - Sat, Aug 29
Delta Logo
7:10 am - 3:12 pm
IAD
-
BOI
10h 02m
1 stop
Delta Logo
10:35 am - 10:49 pm
BOI
-
IAD
10h 14m
1 stop
$308Delta
Thu, Sep 17 - Tue, Sep 22
Alaska Airlines Logo
7:00 am - 3:30 pm
IAD
-
BOI
10h 30m
1 stop
Alaska Airlines Logo
7:20 am - 6:14 pm
BOI
-
IAD
8h 54m
1 stop
$312Alaska Airlines
Tue, Sep 22 - Thu, Sep 24
Delta Logo
7:10 am - 3:18 pm
IAD
-
BOI
10h 08m
1 stop
Delta Logo
12:23 pm - 11:59 pm
BOI
-
IAD
9h 36m
1 stop
$313Delta
Wed, Aug 12 - Wed, Aug 26
Alaska Airlines Logo
5:33 pm - 11:58 pm
IAD
-
BOI
8h 25m
1 stop
Alaska Airlines Logo
8:00 pm - 5:40 am
BOI
-
IAD
7h 40m
1 stop
$316Alaska Airlines
Mon, Oct 5 - Tue, Oct 6
Delta Logo
6:00 am - 1:42 pm
IAD
-
BOI
9h 42m
1 stop
Delta Logo
2:53 pm - 11:20 pm
BOI
-
IAD
6h 27m
1 stop
$317Delta
Mon, Aug 31 - Fri, Sep 4

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

Our best United Airlines deals on Washington, D.C. Dulles Intl Airport to Boise flight tickets
United Airlines
Aug 20
IAD6:16 amWashington, D.C. Dulles Intl
7h 12m
1 stop
BOI11:28 amBoise Air Term. Gowen Fld
Aug 29
BOI5:00 amBoise Air Term. Gowen Fld
6h 30m
1 stop
IAD1:30 pmWashington, D.C. Dulles Intl
$322
United Airlines
Aug 29
IAD5:26 pmWashington, D.C. Dulles Intl
7h 14m
1 stop
BOI10:40 pmBoise Air Term. Gowen Fld
Sep 2
BOI7:05 pmBoise Air Term. Gowen Fld
8h 50m
1 stop
IAD5:55 amWashington, D.C. Dulles Intl
$348
United Airlines
Jun 16
IAD2:51 pmWashington, D.C. Dulles Intl
11h 04m
1 stop
BOI11:55 pmBoise Air Term. Gowen Fld
Jun 23
BOI7:05 pmBoise Air Term. Gowen Fld
9h 53m
1 stop
IAD6:58 amWashington, D.C. Dulles Intl
$547

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
Aug 29
IAD2:53 pmWashington, D.C. Dulles Intl
9h 27m
1 stop
BOI10:20 pmBoise Air Term. Gowen Fld
Sep 5
BOI6:44 amBoise Air Term. Gowen Fld
9h 43m
1 stop
IAD6:27 pmWashington, D.C. Dulles Intl
$294
American Airlines
Aug 22
IAD2:53 pmWashington, D.C. Dulles Intl
9h 27m
1 stop
BOI10:20 pmBoise Air Term. Gowen Fld
Aug 29
BOI6:44 amBoise Air Term. Gowen Fld
9h 43m
1 stop
IAD6:27 pmWashington, D.C. Dulles Intl
$304
American Airlines
Aug 29
IAD2:53 pmWashington, D.C. Dulles Intl
9h 27m
1 stop
BOI10:20 pmBoise Air Term. Gowen Fld
Sep 3
BOI12:12 pmBoise Air Term. Gowen Fld
8h 40m
1 stop
IAD10:52 pmWashington, D.C. Dulles Intl
$368

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 June 6, 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

Cheapest round-trip

Washington, D.C.Boise

IAD - BOI

IADBOI

Washington, D.C. Dulles Intl

Wed 8/5

7:10 am-3:18 pm

1 stop10h 08m

Boise Air Term. Gowen Fld

Tue 8/11

12:23 pm-11:59 pm

1 stop9h 36m

$265

Washington, D.C.Boise

IAD - BOI

IADBOI

Washington, D.C. Dulles Intl

Sat 8/22

6:00 am-1:42 pm

1 stop9h 42m

Boise Air Term. Gowen Fld

Sat 8/29

12:23 pm-11:59 pm

1 stop9h 36m

$293

Washington, D.C.Boise

IAD - BOI

IADBOI

Washington, D.C. Dulles Intl

Sat 8/29

2:53 pm-10:20 pm

1 stop9h 27m

Boise Air Term. Gowen Fld

Sat 9/5

6:44 am-6:27 pm

1 stop9h 43m

$294

Washington, D.C.Boise

IAD - BOI

IADBOI

Washington, D.C. Dulles Intl

Thu 8/20

6:00 am-1:42 pm

1 stop9h 42m

Boise Air Term. Gowen Fld

Sat 8/29

10:58 am-7:59 pm

1 stop7h 01m

$303

Washington, D.C.Boise

IAD - BOI

IADBOI

Washington, D.C. Dulles Intl

Sat 8/22

2:53 pm-10:20 pm

1 stop9h 27m

Boise Air Term. Gowen Fld

Sat 8/29

6:44 am-6:27 pm

1 stop9h 43m

$304

Washington, D.C.Boise

IAD - BOI

IADBOI

Washington, D.C. Dulles Intl

Thu 9/17

7:10 am-3:12 pm

1 stop10h 02m

Boise Air Term. Gowen Fld

Tue 9/22

10:35 am-10:49 pm

1 stop10h 14m

$308

Washington, D.C.Boise

IAD - BOI

IADBOI

Washington, D.C. Dulles Intl

Tue 9/22

7:00 am-3:30 pm

1 stop10h 30m

Boise Air Term. Gowen Fld

Thu 9/24

7:20 am-6:14 pm

1 stop8h 54m

$312

Washington, D.C.Boise

IAD - BOI

IADBOI

Washington, D.C. Dulles Intl

Wed 8/12

7:10 am-3:18 pm

1 stop10h 08m

Boise Air Term. Gowen Fld

Wed 8/26

12:23 pm-11:59 pm

1 stop9h 36m

$313
Quickest round-trip

Washington, D.C.Boise

IAD - BOI

IADBOI

Washington, D.C. Dulles Intl

Mon 10/5

5:33 pm-11:58 pm

1 stop8h 25m

Boise Air Term. Gowen Fld

Tue 10/6

8:00 pm-5:40 am

1 stop7h 40m

$316

Washington, D.C.Boise

IAD - BOI

IADBOI

Washington, D.C. Dulles Intl

Mon 8/31

6:00 am-1:42 pm

1 stop9h 42m

Boise Air Term. Gowen Fld

Fri 9/4

2:53 pm-11:20 pm

1 stop6h 27m

$317

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 typical price of a round-trip flight between Washington, D.C. Dulles Intl Airport and Boise?

What is the cheapest month to fly to Boise?

The month of November is, on average, the cheapest month to fly to Boise from Washington, D.C. Dulles Intl Airport, with most prices found around $308. If you aren’t able to travel during the month of November, then book flights to Boise from Washington, D.C. Dulles Intl Airport during December instead. Flights to Boise in December, while not as cheap as those in November, still average around $321.

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

As of June 2026, prices for Washington, D.C. Dulles Intl Airport to Boise flights are approximately 48% 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

6h 58m

Direct flights

None
The fastest flight from Washington, D.C. Dulles Intl Airport to Boise takes 6h 58m
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

Frequently asked questions about flying from Washington, D.C. Dulles Intl Airport to Boise

  • 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 58m.

  • 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
DeltaPriceFrom $202Free CancellationRating
7.8
8,395 reviews
Search Delta flights
United AirlinesPriceFrom $278Free CancellationRating
7.4
9,777 reviews
Search United Airlines flights
SouthwestPriceFrom $389Free CancellationRating
8.0
4,258 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
Ontario
Caldwell
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?

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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