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Cheap flights from Washington, D.C. Dulles Intl Airport to Boise from $143

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 11/12. 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 - 2:04 pmIAD-BOI
9h 04m1 stop
Delta Logo
1:45 pm - 11:10 pmBOI-IAD
7h 25m1 stop
$311Delta
Find Deal
Sat, Jan 17 - Sun, Jan 18
Delta Logo
6:20 am - 12:51 pmIAD-BOI
8h 31m1 stop
Delta Logo
5:20 am - 1:35 pmBOI-IAD
6h 15m1 stop
$316Delta
Find Deal
Tue, Jan 13 - Tue, Jan 20
Alaska Airlines Logo
7:34 am - 3:26 pmIAD-BOI
9h 52m1 stop
Alaska Airlines Logo
7:00 am - 5:30 pmBOI-IAD
8h 30m1 stop
$320Alaska Airlines
Find Deal
Sat, Dec 6 - Wed, Dec 10
Delta Logo
6:03 am - 2:18 pmIAD-BOI
10h 15m1 stop
Delta Logo
3:13 pm - 12:02 amBOI-IAD
6h 49m1 stop
$321Delta
Find Deal
Wed, Dec 3 - Tue, Dec 9
Southwest Logo
9:05 am - 5:15 pmIAD-BOI
10h 10m2 stops
Southwest Logo
7:45 am - 3:50 pmBOI-IAD
6h 05m1 stop
$326Southwest
Find Deal
Tue, Jan 27 - Wed, Jan 28
Alaska Airlines Logo
7:34 am - 3:26 pmIAD-BOI
9h 52m1 stop
Alaska Airlines Logo
6:03 am - 4:36 pmBOI-IAD
8h 33m1 stop
$335Alaska Airlines
Find Deal
Thu, Dec 4 - Tue, Dec 9
Delta Logo
7:01 am - 12:54 pmIAD-BOI
7h 53m1 stop
Delta Logo
1:45 pm - 11:10 pmBOI-IAD
7h 25m1 stop
$336Delta
Find Deal
Thu, Dec 4 - Sat, Jan 10
United Airlines Logo
6:30 am - 4:03 pmIAD-BOI
11h 33m1 stop
United Airlines Logo
12:45 pm - 11:59 pmBOI-IAD
9h 14m1 stop
$408United Airlines
Find Deal
Tue, Nov 18 - Fri, Nov 21
United Airlines Logo
8:15 am - 1:35 pmIAD-BOI
7h 20m1 stop
United Airlines Logo
7:05 pm - 7:35 amBOI-IAD
10h 30m1 stop
$411United Airlines
Find Deal
Sun, Jan 18 - Sun, Jan 18
Southwest Logo
5:30 am - 5:00 pmIAD-BOI
13h 30m2 stops
Southwest Logo
7:45 am - 3:50 pmBOI-IAD
6h 05m1 stop
$464Southwest
Find Deal
Fri, Jan 16 - Tue, Jan 20

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
Jan 27
IAD9:05 amWashington, D.C. Dulles Intl
10h 10m
2 stops
BOI5:15 pmBoise Air Term. Gowen Fld
Jan 28
BOI7:45 amBoise Air Term. Gowen Fld
6h 05m
1 stop
IAD3:50 pmWashington, D.C. Dulles Intl
$326
Find similar
Southwest
Jan 16
IAD5:30 amWashington, D.C. Dulles Intl
13h 30m
2 stops
BOI5:00 pmBoise Air Term. Gowen Fld
Jan 20
BOI7:45 amBoise Air Term. Gowen Fld
6h 05m
1 stop
IAD3:50 pmWashington, D.C. Dulles Intl
$464
Find similar
Southwest
Dec 16
IAD7:40 amWashington, D.C. Dulles Intl
16h 45m
2 stops
BOI10:25 pmBoise Air Term. Gowen Fld
Jan 5
BOI1:10 pmBoise Air Term. Gowen Fld
8h 20m
2 stops
IAD11:30 pmWashington, D.C. Dulles Intl
$465
Find similar

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
Jan 17
IAD7:00 amWashington, D.C. Dulles Intl
9h 04m
1 stop
BOI2:04 pmBoise Air Term. Gowen Fld
Jan 18
BOI1:45 pmBoise Air Term. Gowen Fld
7h 25m
1 stop
IAD11:10 pmWashington, D.C. Dulles Intl
$311
Find similar
Delta
Jan 13
IAD6:20 amWashington, D.C. Dulles Intl
8h 31m
1 stop
BOI12:51 pmBoise Air Term. Gowen Fld
Jan 20
BOI5:20 amBoise Air Term. Gowen Fld
6h 15m
1 stop
IAD1:35 pmWashington, D.C. Dulles Intl
$316
Find similar
Delta
Dec 3
IAD6:03 amWashington, D.C. Dulles Intl
10h 15m
1 stop
BOI2:18 pmBoise Air Term. Gowen Fld
Dec 9
BOI3:13 pmBoise Air Term. Gowen Fld
6h 49m
1 stop
IAD12:02 amWashington, D.C. Dulles Intl
$321
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 October 30, 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

7:00 am-2:04 pm

1 stop9h 04m

Boise Air Term. Gowen Fld

Sun 1/18

1:45 pm-11:10 pm

1 stop7h 25m

$311

Washington, D.C.Boise

IAD - BOI

IADBOI

Washington, D.C. Dulles Intl

Tue 1/13

6:20 am-12:51 pm

1 stop8h 31m

Boise Air Term. Gowen Fld

Tue 1/20

5:20 am-1:35 pm

1 stop6h 15m

$316

Washington, D.C.Boise

IAD - BOI

IADBOI

Washington, D.C. Dulles Intl

Sat 12/6

7:34 am-3:26 pm

1 stop9h 52m

Boise Air Term. Gowen Fld

Wed 12/10

7:00 am-5:30 pm

1 stop8h 30m

$320

Washington, D.C.Boise

IAD - BOI

IADBOI

Washington, D.C. Dulles Intl

Wed 12/3

6:03 am-2:18 pm

1 stop10h 15m

Boise Air Term. Gowen Fld

Tue 12/9

3:13 pm-12:02 am

1 stop6h 49m

$321

Washington, D.C.Boise

IAD - BOI

IADBOI

Washington, D.C. Dulles Intl

Tue 1/27

9:05 am-5:15 pm

2 stops10h 10m

Boise Air Term. Gowen Fld

Wed 1/28

7:45 am-3:50 pm

1 stop6h 05m

$326

Washington, D.C.Boise

IAD - BOI

IADBOI

Washington, D.C. Dulles Intl

Thu 12/4

7:34 am-3:26 pm

1 stop9h 52m

Boise Air Term. Gowen Fld

Tue 12/9

6:03 am-4:36 pm

1 stop8h 33m

$335

Washington, D.C.Boise

IAD - BOI

IADBOI

Washington, D.C. Dulles Intl

Thu 12/4

7:01 am-12:54 pm

1 stop7h 53m

Boise Air Term. Gowen Fld

Sat 1/10

1:45 pm-11:10 pm

1 stop7h 25m

$336

Washington, D.C.Boise

IAD - BOI

IADBOI

Washington, D.C. Dulles Intl

Tue 11/18

6:30 am-4:03 pm

1 stop11h 33m

Boise Air Term. Gowen Fld

Fri 11/21

12:45 pm-11:59 pm

1 stop9h 14m

$408

Washington, D.C.Boise

IAD - BOI

IADBOI

Washington, D.C. Dulles Intl

Sun 1/18

8:15 am-1:35 pm

1 stop7h 20m

Boise Air Term. Gowen Fld

Sun 1/18

7:05 pm-7:35 am

1 stop10h 30m

$411

Washington, D.C.Boise

IAD - BOI

IADBOI

Washington, D.C. Dulles Intl

Fri 1/16

5:30 am-5:00 pm

2 stops13h 30m

Boise Air Term. Gowen Fld

Tue 1/20

7:45 am-3:50 pm

1 stop6h 05m

$464

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 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

Direct flights

None
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.
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  • 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 50m.

  • 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
11,214 reviews
Search Alaska Airlines flights
DeltaPriceFrom $237Free CancellationRating
7.9
7,993 reviews
Search Delta flights
United AirlinesPriceFrom $278Free CancellationRating
7.4
8,998 reviews
Search United Airlines flights
SouthwestPriceFrom $429Free CancellationRating
8.0
4,242 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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