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Boise

$126+ Cheap flights from District of Columbia to Boise (BOI)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/31. Fares are subject to change and may not be available on all flights or dates of travel.
IAD — BOI
Mar 20 — Mar 271
Fri 3/20
Fri 3/27
1 adult, Economy
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Cheap flight deals from District of Columbia to Boise

Cheapest flights from District of Columbia to Boise
Explore the most affordable flight options available from District of Columbia to Boise. Find the lowest fares from popular airlines and budget airlines, with prices last updated on February 18, 2026.

This United Airlines deal was found by Cheapflights users on 2/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/104:00 pm
IAD
-
BOI
1 stop7h 29m
United Airlines
Tue 3/246:55 pm
BOI
-
IAD
1 stop8h 41m
United Airlines
Deal found 2/15$251
This Delta deal was found by Cheapflights users on 2/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/124:54 pm
DCA
-
BOI
1 stop9h 01m
Delta
Sat 5/166:00 am
BOI
-
DCA
1 stop7h 25m
Delta
Deal found 2/17$251
This American Airlines deal was found by Cheapflights users on 2/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/106:00 am
IAD
-
BOI
1 stop8h 42m
American Airlines
Tue 3/246:33 pm
BOI
-
IAD
2 stops12h 15m
American Airlines
Deal found 2/15$256
This Delta deal was found by Cheapflights users on 2/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/174:40 pm
DCA
-
BOI
1 stop9h 05m
Delta
Tue 3/318:00 am
BOI
-
DCA
2 stops8h 59m
Delta
Deal found 2/15$256
This American Airlines deal was found by Cheapflights users on 2/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/176:00 am
DCA
-
BOI
1 stop9h 00m
American Airlines
Tue 3/316:33 pm
BOI
-
DCA
1 stop10h 27m
American Airlines
Deal found 2/15$272
This United Airlines deal was found by Cheapflights users on 2/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/184:10 pm
IAD
-
BOI
1 stop9h 47m
United Airlines
Wed 3/255:00 am
BOI
-
IAD
1 stop6h 05m
United Airlines
Deal found 2/16$276
This Delta deal was found by Cheapflights users on 2/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/287:00 am
IAD
-
BOI
1 stop8h 12m
Delta
Thu 5/712:16 pm
BOI
-
IAD
1 stop9h 43m
Delta
Deal found 2/15$283
This Delta deal was found by Cheapflights users on 2/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/294:39 pm
DCA
-
BOI
1 stop9h 38m
Delta
Sun 5/35:40 am
BOI
-
DCA
1 stop7h 47m
Delta
Deal found 2/17$283
This Delta deal was found by Cheapflights users on 2/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/164:39 pm
DCA
-
BOI
1 stop9h 38m
Delta
Tue 4/216:00 am
BOI
-
DCA
2 stops10h 35m
Delta
Deal found 2/14$292
This Alaska Airlines deal was found by Cheapflights users on 2/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/167:00 am
IAD
-
BOI
1 stop17h 57m
Alaska Airlines
Tue 4/216:04 pm
BOI
-
IAD
1 stop28h 05m
Alaska Airlines
Deal found 2/17$303
This Expedia deal was found by Cheapflights users on 2/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/168:59 am
DCA
-
BOI
1 stop16h 48m
Multiple Airlines
Sun 4/1911:53 am
BOI
-
DCA
1 stop23h 07m
Multiple Airlines
Deal found 2/16$304
This United Airlines deal was found by Cheapflights users on 2/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/182:36 pm
IAD
-
BOI
1 stop11h 21m
United Airlines
Thu 3/265:00 am
BOI
-
IAD
1 stop6h 05m
United Airlines
Deal found 2/17$307

Find flight deals from District of Columbia to Boise

Keep the following information in mind while searching for District of Columbia to Boise flight deals. Data was last updated February 18, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$251
(United Airlines)

One-way from

$126
(Delta)

Popular in

December

Cheapest in

April

Average price

$405
Provider with most accurate pricing for Washington, D.C. (WAS)-Boise Air Term. Gowen Fld flight deals.
Search Deals
Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Boise Air Term. Gowen Fld flights.
Search Deals
From District of Columbia to Boise Air Term. Gowen Fld
Search Deals
One-way flight from District of Columbia to Boise Air Term. Gowen Fld
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($59 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($21 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from District of Columbia 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, Cheapflights users made 2,558,603 searches. Data last updated February 18, 2026.
Use the filters below to find and compare flights from District of Columbia to Boise that are best for you.

Fly from

District of Columbia

Fly to

Boise

Route

Depart

Return

Price

Washington, D.C.Boise

IAD - BOI

IADBOI

Washington, D.C. Dulles Intl

Sat 4/25

9:23 am-4:48 pm

1 stop9h 25m

Boise Air Term. Gowen Fld

Sat 5/2

2:33 pm-11:34 pm

1 stop7h 01m

$251

Washington, D.C.Boise

DCA - BOI

DCABOI

Washington, D.C. Reagan-National

Tue 3/17

4:40 pm-11:45 pm

1 stop9h 05m

Boise Air Term. Gowen Fld

Tue 3/31

5:52 am-3:23 pm

1 stop7h 31m

$251

Washington, D.C.Boise

IAD - BOI

IADBOI

Washington, D.C. Dulles Intl

Tue 3/17

2:12 pm-9:29 pm

1 stop9h 17m

Boise Air Term. Gowen Fld

Tue 3/31

5:00 am-1:14 pm

1 stop6h 14m

$251

Washington, D.C.Boise

DCA - BOI

DCABOI

Washington, D.C. Reagan-National

Tue 5/12

4:54 pm-11:55 pm

1 stop9h 01m

Boise Air Term. Gowen Fld

Sat 5/16

6:00 am-3:25 pm

1 stop7h 25m

$251

Washington, D.C.Boise

IAD - BOI

IADBOI

Washington, D.C. Dulles Intl

Tue 4/14

2:21 pm-9:22 pm

1 stop9h 01m

Boise Air Term. Gowen Fld

Sat 4/18

2:37 pm-11:34 pm

1 stop6h 57m

$251

Washington, D.C.Boise

DCA - BOI

DCABOI

Washington, D.C. Reagan-National

Sat 4/25

6:30 am-11:49 am

1 stop7h 19m

Boise Air Term. Gowen Fld

Sat 5/2

6:23 am-4:46 pm

1 stop8h 23m

$251

Washington, D.C.Boise

IAD - BOI

IADBOI

Washington, D.C. Dulles Intl

Tue 4/28

7:00 am-1:12 pm

1 stop8h 12m

Boise Air Term. Gowen Fld

Thu 5/7

12:16 pm-11:59 pm

1 stop9h 43m

$283

Washington, D.C.Boise

IAD - BOI

IADBOI

Washington, D.C. Dulles Intl

Thu 4/16

7:00 am-4:14 pm

1 stop11h 14m

Boise Air Term. Gowen Fld

Tue 4/21

1:52 pm-11:55 pm

1 stop8h 03m

$283

Washington, D.C.Boise

DCA - BOI

DCABOI

Washington, D.C. Reagan-National

Wed 4/29

4:39 pm-12:17 am

1 stop9h 38m

Boise Air Term. Gowen Fld

Sun 5/3

5:40 am-3:27 pm

1 stop7h 47m

$283

Washington, D.C.Boise

DCA - BOI

DCABOI

Washington, D.C. Reagan-National

Thu 4/16

4:39 pm-12:17 am

1 stop9h 38m

Boise Air Term. Gowen Fld

Tue 4/21

5:40 am-3:27 pm

1 stop7h 47m

$283

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/14

Showing 1-10 of 28 results
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Best time to book a flight from District of Columbia to Boise

Have a flexible travel schedule? Discover the best time to fly to Boise from District of Columbia with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from District of Columbia to Boise

What is the cheapest month to book a flight from District of Columbia to Boise?

Currently, September is the cheapest month in which you can book a flight from District of Columbia to Boise (average of $150). Flying from District of Columbia to Boise in February is currently the most expensive (average of $310). 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.

Related info for your journey

Find useful and relevant information for your journey from District of Columbia to Boise. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Boise from District of Columbia?

    Boise Air Term. Gowen Fld (BOI) is the airport you will fly into if you book a flight from District of Columbia to Boise. It is only a 3.3 mi journey from Air Term. Gowen Fld (BOI) to Boise’s city center.

  • How long is the flight from District of Columbia to Boise?

    Departing from District of Columbia to Boise will take you 9h 01m. There are 2019 mi between District of Columbia 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 to fly from District of Columbia to Boise one-way?

    One-way options have recently been found by users for as low as $91 on Frontier. Other airlines that offer cheap prices include United Airlines from $118 and American Airlines from $140 one-way.

  • Can I find deals for flights from District of Columbia to Boise that include hotel bookings?

    Yes. In addition to deals on District of Columbia to Boise flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from District of Columbia to Boise?

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

  • Can I find deals for business class flights from District of Columbia to Boise?

    Yes. Cheapflights offers flight deals from District of Columbia 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 District of Columbia to Boise?

    Currently, September is the cheapest month in which you can book a flight from District of Columbia to Boise (average of $150). Flying from District of Columbia to Boise in February is currently the most expensive (average of $310). 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
McCall

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Alternative routes for District of Columbia to Boise

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Top 5 airlines flying from District of Columbia to Boise

Discover the top 5 airlines that operate flights from District of Columbia to Boise. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated February 18, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$150Average$373FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$182Average$395FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$221Average$507FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$300Average$437FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$342Average$495FlexibilityNo cancel feeOn-time63%

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