HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Boise

$113+ Cheap flights from Dulles Intl (IAD) to Boise (BOI)

IAD — BOI
Nov 22 — Nov 291
Sun 11/22
Sun 11/29
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Dulles Intl to Boise with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Dulles Intl to Boise

Cheapest flights from Dulles Intl to Boise

Mon 11/93:00 pm -
1 stop8h 59m
Tue 11/1012:13 pm -
1 stop10h 07m
Deal found 10/21$225
Mon 11/93:00 pm -
1 stop8h 59m
Mon 11/1611:10 pm -
1 stop7h 59m
Deal found 10/20$243
Wed 12/97:06 pm -
1 stop7h 04m
Thu 12/1712:20 pm -
1 stop10h 11m
Deal found 10/23$254
Wed 11/116:11 am -
1 stop7h 20m
Wed 11/1812:00 pm -
1 stop7h 57m
Deal found 10/22$261
Thu 11/197:00 am -
1 stop11h 05m
Sun 11/2212:13 pm -
1 stop10h 07m
Deal found 10/21$269
Mon 12/148:15 am -
1 stop8h 35m
Wed 12/162:48 pm -
1 stop6h 27m
Deal found 10/22$273
Sun 12/66:15 am -
1 stop10h 35m
Mon 12/142:48 pm -
1 stop6h 27m
Deal found 10/19$287
Fri 11/137:25 am -
1 stop7h 08m
Sun 11/1512:13 pm -
1 stop10h 07m
Deal found 10/22$298
Wed 11/116:58 pm -
1 stop7h 01m
Sun 11/1512:13 pm -
1 stop10h 07m
Deal found 10/21$302
Tue 12/17:06 pm -
1 stop7h 04m
Tue 12/81:07 pm -
1 stop8h 40m
Deal found 10/20$308
Wed 12/97:00 am -
1 stop9h 19m
Sat 12/192:12 pm -
1 stop13h 33m
Deal found 10/23$313

Find flight deals from Dulles Intl to Boise

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$225
(Delta)

One-way from

$113
(Delta)

Popular in

March

Cheapest in

December

Average price

$692
Provider with most accurate pricing for Washington, D.C. Dulles Intl-Boise Air Term. Gowen Fld flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. Dulles Intl-Boise Air Term. Gowen Fld flights.
Search Deals
From Washington, D.C. Dulles Intl to Boise Air Term. Gowen Fld
Search Deals
One-way flight from Washington, D.C. Dulles Intl to Boise Air Term. Gowen Fld
Search Deals
Highest demand for flights based on searches. 19% potential increase in price ($124 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($28 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2026
Search Deals

Cheapflights Fare Finder

 
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 Washington, D.C. Dulles Intl - BOI Boise Air Term. Gowen Fld

IADBOI

Washington, D.C. Dulles Intl

Tue 11/17

7:00 am-12:24 pm

1 stop7h 24m

Boise Air Term. Gowen Fld

Wed 12/31

12:00 am-2:00 am

Nonstop0h 00m

$113

Washington, D.C.Boise

IAD Washington, D.C. Dulles Intl - BOI Boise Air Term. Gowen Fld

IADBOI

Washington, D.C. Dulles Intl

Thu 11/26

6:15 am-2:58 pm

1 stop10h 43m

Boise Air Term. Gowen Fld

Wed 12/31

12:00 am-2:00 am

Nonstop0h 00m

$131

Washington, D.C.Boise

IAD Washington, D.C. Dulles Intl - BOI Boise Air Term. Gowen Fld

IADBOI

Washington, D.C. Dulles Intl

Tue 11/24

1:09 pm-7:00 pm

1 stop31h 51m

Boise Air Term. Gowen Fld

Wed 12/31

12:00 am-2:00 am

Nonstop0h 00m

$137
Quickest round-trip

Washington, D.C.Boise

IAD Washington, D.C. Dulles Intl - BOI Boise Air Term. Gowen Fld

IADBOI

Washington, D.C. Dulles Intl

Mon 11/2

6:11 am-11:31 am

1 stop7h 20m

Boise Air Term. Gowen Fld

Wed 12/31

12:00 am-2:00 am

Nonstop0h 00m

$202

Washington, D.C.Boise

IAD Washington, D.C. Dulles Intl - BOI Boise Air Term. Gowen Fld

IADBOI

Washington, D.C. Dulles Intl

Wed 11/4

6:00 am-1:34 pm

1 stop9h 34m

Boise Air Term. Gowen Fld

Wed 12/31

12:00 am-2:00 am

Nonstop0h 00m

$202

Washington, D.C.Boise

IAD Washington, D.C. Dulles Intl - BOI Boise Air Term. Gowen Fld

IADBOI

Washington, D.C. Dulles Intl

Thu 11/5

4:10 pm-9:32 pm

1 stop7h 22m

Boise Air Term. Gowen Fld

Wed 12/31

12:00 am-2:00 am

Nonstop0h 00m

$202

Washington, D.C.Boise

IAD Washington, D.C. Dulles Intl - BOI Boise Air Term. Gowen Fld

IADBOI

Washington, D.C. Dulles Intl

Sun 11/1

7:05 am-3:20 pm

1 stop10h 15m

Boise Air Term. Gowen Fld

Wed 12/31

12:00 am-2:00 am

Nonstop0h 00m

$202

Washington, D.C.Boise

IAD Washington, D.C. Dulles Intl - BOI Boise Air Term. Gowen Fld

IADBOI

Washington, D.C. Dulles Intl

Tue 12/29

8:51 pm-4:48 pm

1 stop21h 57m

Boise Air Term. Gowen Fld

Wed 12/31

12:00 am-2:00 am

Nonstop0h 00m

$223

Washington, D.C.Boise

IAD Washington, D.C. Dulles Intl - BOI Boise Air Term. Gowen Fld

IADBOI

Washington, D.C. Dulles Intl

Sat 2/20

6:00 am-12:39 pm

1 stop8h 39m

Boise Air Term. Gowen Fld

Thu 2/25

5:40 am-1:48 pm

1 stop6h 08m

$225

Washington, D.C.Boise

IAD Washington, D.C. Dulles Intl - BOI Boise Air Term. Gowen Fld

IADBOI

Washington, D.C. Dulles Intl

Wed 11/11

6:58 pm-11:59 pm

1 stop7h 01m

Boise Air Term. Gowen Fld

Wed 11/18

1:19 pm-11:47 pm

1 stop8h 28m

$225

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/19

Showing 1-10 of 22 resultsSorted by cheapest first
1
2
3

Compare providers for flights from Dulles Intl to Boise

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Dulles Intl to Boise in October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Boise flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Washington, D.C. Dulles Intl Airport-Boise flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Washington, D.C. Dulles Intl Airport-Boise flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Washington, D.C. Dulles Intl Airport-Boise flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Washington, D.C. Dulles Intl Airport-Boise flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Dulles Intl to Boise

Have a flexible travel schedule? Discover the best time to fly to Boise from Dulles Intl with our price prediction graph.
Estimated round-trip price

Cheapflights Insights

Everything you need to know about your flight from Washington, D.C. Dulles Intl Airport to Boise

What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Boise?

Currently, December is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Boise (average of $287). Flying from Washington, D.C. Dulles Intl Airport to Boise in March is currently the most expensive (average of $817). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost to fly round-trip from Washington, D.C. Dulles Intl Airport to Boise?

Airfare is below average for this route at the moment.

Washington, D.C. Dulles Intl Airport to Boise flights typically cost between $406 and $890 in November.
The cheapest round-trip price found within the last 5 days was $225 on Delta (Nov 9-Nov 10).

Reviews of airlines servicing Boise

Get a feel of what it's like to fly with Southwest,Delta, andUnited Airlines from Washington, D.C. Dulles Intl Airport to Boise by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
7.9
Good
4,214 reviews

Entertainment

7.4

Comfort

8.0

Food

7.0

Overall

7.9

Crew

8.6

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

Patricia,Oct 2026

DAL - TPA

I love flying southwest, Both flights were packed full full - so not room for all carry one and bags had to be checked but still good flights.
Southwest
7.9
Good
4,214 reviews
Southwest
7.9
Good
4,214 reviews

Entertainment

7.4

Comfort

8.0

Food

7.0

Overall

7.9

Crew

8.6

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

Patricia,Oct 2026

DAL - TPA

I love flying southwest, Both flights were packed full full - so not room for all carry one and bags had to be checked but still good flights.
Delta
7.8
Good
8,668 reviews
Southwest
7.9
Good
4,214 reviews

Entertainment

7.4

Comfort

8.0

Food

7.0

Overall

7.9

Crew

8.6

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

Patricia,Oct 2026

DAL - TPA

I love flying southwest, Both flights were packed full full - so not room for all carry one and bags had to be checked but still good flights.
United Airlines
7.3
Good
10,419 reviews
Southwest
7.9
Good
4,214 reviews

Entertainment

7.4

Comfort

8.0

Food

7.0

Overall

7.9

Crew

8.6

Boarding

8.1

Reviews

1 / 20
8.0
Excellent

Patricia,Oct 2026

DAL - TPA

I love flying southwest, Both flights were packed full full - so not room for all carry one and bags had to be checked but still good flights.

Related info for your journey

  • What airport do you fly into for flights to Boise from Washington, D.C. Dulles Intl?

    Most people fly into Boise Air Term. Gowen Fld (BOI) if they book a flight to Boise from Washington, D.C. Dulles Intl. On average, Air Term. Gowen Fld has 0 inbound flights from Washington, D.C. Dulles Intl per day from 3 airlines. Boise Air Term. Gowen Fld is conveniently located just 3.3 mi from Boise’s city center.

  • How long is the flight from Washington, D.C. Dulles Intl Airport to Boise?

    A quick flight from Washington, D.C. Dulles Intl Airport to Boise can take about 7h 20m. Delta provides one of the quickest options available for as low as $261. There are 2019 mi between Washington, D.C. Dulles Intl Airport and Boise. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines flying from Washington, D.C. Dulles Intl Airport to Boise round-trip?

    Flying on Delta is currently your cheapest option to Boise, with prices starting at $200. Additional round-trip tickets that might be worth considering are offered by United Airlines and Southwest, with the lowest prices starting at $302 and $390, respectively. Users have found that Delta is 60% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from Washington, D.C. Dulles Intl Airport to Boise one-way?

    $121 is the cheapest one-way deal found within the past few days, from Southwest. You may also be able to find cheap deals on Delta and United Airlines, with prices starting from $121 and $146, respectively.

  • Can I find deals for flights from Dulles Intl to Boise that include hotel bookings?

    Yes. In addition to deals on Dulles Intl to Boise flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Dulles Intl to Boise?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Dulles Intl to Boise.

  • Can I find deals for business class flights from Dulles Intl to Boise?

    Yes. Cheapflights offers flight deals from Dulles Intl to Boise by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Washington, D.C. Dulles Intl Airport to Boise?

    Currently, December is the cheapest month in which you can book a flight from Washington, D.C. Dulles Intl Airport to Boise (average of $287). Flying from Washington, D.C. Dulles Intl Airport to Boise in March is currently the most expensive (average of $817). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Boise?

Book flights to Boise if you plan to visit one of these locations
Ontario
Meridian
Nampa
Caldwell

Browse thousands of different options on Cheapflights for your next trip

Top 3 airlines flying from Dulles Intl to Boise

AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$200Average$338FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$302Average$654FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$390Average$532FlexibilityNo cancel feeOn-time63%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.