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Cheap flights from Washington, D.C. Dulles Intl Airport to Boise from $127

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 8/18. 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.
United Airlines Logo
10:05 am - 4:48 pm
IAD
-
BOI
8h 43m
1 stop
United Airlines Logo
5:00 am - 1:30 pm
BOI
-
IAD
6h 30m
1 stop
$258United Airlines
Mon, Aug 31 - Tue, Sep 1
United Airlines Logo
6:10 am - 11:32 am
IAD
-
BOI
7h 22m
1 stop
United Airlines Logo
2:05 pm - 12:55 am
BOI
-
IAD
8h 50m
1 stop
$263United Airlines
Wed, May 27 - Thu, May 28
Delta Logo
6:00 am - 1:18 pm
IAD
-
BOI
9h 18m
1 stop
Delta Logo
9:18 pm - 10:22 am
BOI
-
IAD
11h 04m
2 stops
$268Delta
Wed, May 27 - Mon, Jun 1
Delta Logo
7:00 am - 1:12 pm
IAD
-
BOI
8h 12m
1 stop
Delta Logo
11:35 pm - 9:15 am
BOI
-
IAD
7h 40m
1 stop
$271Delta
Wed, Apr 29 - Tue, May 5
Delta Logo
6:00 am - 12:13 pm
IAD
-
BOI
8h 13m
2 stops
Delta Logo
5:20 am - 6:26 pm
BOI
-
IAD
11h 06m
2 stops
$273Delta
Tue, Jul 7 - Tue, Jul 14
Southwest Logo
4:30 pm - 1:00 am
IAD
-
BOI
10h 30m
1 stop
Southwest Logo
6:00 am - 11:40 pm
BOI
-
IAD
15h 40m
2 stops
$274Southwest
Mon, May 4 - Tue, May 5
Delta Logo
7:00 am - 1:12 pm
IAD
-
BOI
8h 12m
1 stop
Delta Logo
11:39 pm - 9:16 am
BOI
-
IAD
7h 37m
1 stop
$277Delta
Wed, Apr 29 - Thu, May 7
Southwest Logo
4:30 pm - 12:25 am
IAD
-
BOI
9h 55m
2 stops
Southwest Logo
6:05 am - 10:55 pm
BOI
-
IAD
14h 50m
2 stops
$279Southwest
Tue, Apr 28 - Sat, May 2
Delta Logo
3:00 pm - 10:28 pm
IAD
-
BOI
9h 28m
1 stop
Delta Logo
11:35 pm - 9:15 am
BOI
-
IAD
7h 40m
1 stop
$283Delta
Tue, Apr 28 - Tue, May 5
Delta Logo
12:12 pm - 9:56 pm
IAD
-
BOI
11h 44m
2 stops
Delta Logo
11:39 pm - 9:16 am
BOI
-
IAD
7h 37m
1 stop
$288Delta
Tue, Apr 28 - Thu, May 7

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 28
IAD7:10 amWashington, D.C. Dulles Intl
10h 23m
1 stop
BOI3:33 pmBoise Air Term. Gowen Fld
May 4
BOI6:08 pmBoise Air Term. Gowen Fld
9h 42m
1 stop
IAD5:50 amWashington, D.C. Dulles Intl
$303
Alaska Airlines
Apr 28
IAD7:10 amWashington, D.C. Dulles Intl
10h 23m
1 stop
BOI3:33 pmBoise Air Term. Gowen Fld
May 6
BOI7:20 pmBoise Air Term. Gowen Fld
8h 30m
1 stop
IAD5:50 amWashington, D.C. Dulles Intl
$327
Alaska Airlines
Apr 30
IAD7:10 amWashington, D.C. Dulles Intl
10h 23m
1 stop
BOI3:33 pmBoise Air Term. Gowen Fld
May 4
BOI7:20 pmBoise Air Term. Gowen Fld
8h 30m
1 stop
IAD5:50 amWashington, D.C. Dulles Intl
$328

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

Our best Delta deals on Washington, D.C. Dulles Intl Airport to Boise flight tickets
Delta
May 27
IAD6:00 amWashington, D.C. Dulles Intl
9h 18m
1 stop
BOI1:18 pmBoise Air Term. Gowen Fld
Jun 1
BOI9:18 pmBoise Air Term. Gowen Fld
11h 04m
2 stops
IAD10:22 amWashington, D.C. Dulles Intl
$268
Delta
Apr 29
IAD7:00 amWashington, D.C. Dulles Intl
8h 12m
1 stop
BOI1:12 pmBoise Air Term. Gowen Fld
May 5
BOI11:35 pmBoise Air Term. Gowen Fld
7h 40m
1 stop
IAD9:15 amWashington, D.C. Dulles Intl
$271
Delta
Jul 7
IAD6:00 amWashington, D.C. Dulles Intl
8h 13m
2 stops
BOI12:13 pmBoise Air Term. Gowen Fld
Jul 14
BOI5:20 amBoise Air Term. Gowen Fld
11h 06m
2 stops
IAD6:26 pmWashington, D.C. Dulles Intl
$273

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 April 12, 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
Quickest round-trip

Washington, D.C.Boise

IAD - BOI

IADBOI

Washington, D.C. Dulles Intl

Mon 8/31

10:05 am-4:48 pm

1 stop8h 43m

Boise Air Term. Gowen Fld

Tue 9/1

5:00 am-1:30 pm

1 stop6h 30m

$258

Washington, D.C.Boise

IAD - BOI

IADBOI

Washington, D.C. Dulles Intl

Wed 5/27

6:10 am-11:32 am

1 stop7h 22m

Boise Air Term. Gowen Fld

Thu 5/28

2:05 pm-12:55 am

1 stop8h 50m

$263

Washington, D.C.Boise

IAD - BOI

IADBOI

Washington, D.C. Dulles Intl

Wed 5/27

6:00 am-1:18 pm

1 stop9h 18m

Boise Air Term. Gowen Fld

Mon 6/1

9:18 pm-10:22 am

2 stops11h 04m

$268

Washington, D.C.Boise

IAD - BOI

IADBOI

Washington, D.C. Dulles Intl

Wed 4/29

7:00 am-1:12 pm

1 stop8h 12m

Boise Air Term. Gowen Fld

Tue 5/5

11:35 pm-9:15 am

1 stop7h 40m

$271

Washington, D.C.Boise

IAD - BOI

IADBOI

Washington, D.C. Dulles Intl

Tue 7/7

6:00 am-12:13 pm

2 stops8h 13m

Boise Air Term. Gowen Fld

Tue 7/14

5:20 am-6:26 pm

2 stops11h 06m

$273

Washington, D.C.Boise

IAD - BOI

IADBOI

Washington, D.C. Dulles Intl

Mon 5/4

4:30 pm-1:00 am

1 stop10h 30m

Boise Air Term. Gowen Fld

Tue 5/5

6:00 am-11:40 pm

2 stops15h 40m

$274

Washington, D.C.Boise

IAD - BOI

IADBOI

Washington, D.C. Dulles Intl

Wed 4/29

7:00 am-1:12 pm

1 stop8h 12m

Boise Air Term. Gowen Fld

Thu 5/7

11:39 pm-9:16 am

1 stop7h 37m

$277

Washington, D.C.Boise

IAD - BOI

IADBOI

Washington, D.C. Dulles Intl

Tue 4/28

4:30 pm-12:25 am

2 stops9h 55m

Boise Air Term. Gowen Fld

Sat 5/2

6:05 am-10:55 pm

2 stops14h 50m

$279

Washington, D.C.Boise

IAD - BOI

IADBOI

Washington, D.C. Dulles Intl

Tue 4/28

3:00 pm-10:28 pm

1 stop9h 28m

Boise Air Term. Gowen Fld

Tue 5/5

11:35 pm-9:15 am

1 stop7h 40m

$283

Washington, D.C.Boise

IAD - BOI

IADBOI

Washington, D.C. Dulles Intl

Tue 4/28

12:12 pm-9:56 pm

2 stops11h 44m

Boise Air Term. Gowen Fld

Thu 5/7

11:39 pm-9:16 am

1 stop7h 37m

$288

Flights are sorted by cheapest round-trip flights first.

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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 April 2026, prices for Washington, D.C. Dulles Intl Airport to Boise flights are approximately 15% 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 26m

Direct flights

None
The fastest flight from Washington, D.C. Dulles Intl Airport to Boise takes 6h 26m
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 26m.

  • 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
7.9
12,211 reviews
Search Alaska Airlines flights
DeltaPriceFrom $237Free CancellationRating
7.9
8,406 reviews
Search Delta flights
United AirlinesPriceFrom $270Free CancellationRating
7.4
9,569 reviews
Search United Airlines flights
SouthwestPriceFrom $390Free CancellationRating
8.0
4,335 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

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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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