How does KAYAK find such low prices on flights from Idaho to Washington, D.C.?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Idaho to Washington, D.C..

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Idaho to Washington, D.C.?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Washington, D.C. from Idaho is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from Idaho to Washington, D.C.?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Washington, D.C. with an airline and back to Idaho with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Idaho to Washington, D.C.?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Washington, D.C. from Idaho up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

$177 CHEAP FLIGHTS from Idaho to Washington, D.C.

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Cheap Flights from Idaho to Washington, D.C.

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Recent round-trip flight deals from Idaho to Washington, D.C.

Mon, Dec 7 - Mon, Dec 14

4:10 pm - 5:35 amBOI Boise Air Term. Gowen Fld-IAD Washington, D.C. Dulles Intl

11h 25m1 stop Seattle/Tacoma Intl

6:42 pm - 10:27 pmIAD Washington, D.C. Dulles Intl-BOI Boise Air Term. Gowen Fld

29h 45m1 stop San Diego

$353Alaska Airlines

Wed, Dec 30 - Wed, Jan 6

4:59 pm - 5:45 amBOI Boise Air Term. Gowen Fld-IAD Washington, D.C. Dulles Intl

10h 46m1 stop Seattle/Tacoma Intl

6:53 pm - 2:09 pmIAD Washington, D.C. Dulles Intl-BOI Boise Air Term. Gowen Fld

21h 16m1 stop San Diego

$353Alaska Airlines

Mon, Apr 5 - Sat, Apr 10

2:35 pm - 11:51 pmBOI Boise Air Term. Gowen Fld-IAD Washington, D.C. Dulles Intl

7h 16m1 stop Seattle/Tacoma Intl

7:00 am - 12:39 pmIAD Washington, D.C. Dulles Intl-BOI Boise Air Term. Gowen Fld

7h 39m1 stop Atlanta Hartsfield-Jackson

$353Delta

Wed, Jan 20 - Thu, Feb 11

5:30 am - 2:04 pmBOI Boise Air Term. Gowen Fld-IAD Washington, D.C. Dulles Intl

6h 34m1 stop Minneapolis St Paul

7:15 am - 1:33 pmIAD Washington, D.C. Dulles Intl-BOI Boise Air Term. Gowen Fld

8h 18m1 stop Atlanta Hartsfield-Jackson

$353Delta

Tue, Dec 8 - Tue, Dec 15

8:00 am - 5:32 pmBOI Boise Air Term. Gowen Fld-IAD Washington, D.C. Dulles Intl

7h 32m1 stop Chicago O'Hare Intl

8:15 am - 2:50 pmIAD Washington, D.C. Dulles Intl-BOI Boise Air Term. Gowen Fld

8h 35m1 stop San Francisco

$353United Airlines

Mon, Dec 7 - Mon, Dec 14

2:48 pm - 11:15 pmBOI Boise Air Term. Gowen Fld-IAD Washington, D.C. Dulles Intl

6h 27m1 stop Denver Intl

9:29 am - 4:50 pmIAD Washington, D.C. Dulles Intl-BOI Boise Air Term. Gowen Fld

9h 21m1 stop San Francisco

$353United Airlines

Mon, Feb 1 - Tue, Feb 9

1:35 pm - 10:48 pmBOI Boise Air Term. Gowen Fld-DCA Washington, D.C. Reagan-National

7h 13m1 stop Dallas/Fort Worth

5:00 am - 12:44 pmDCA Washington, D.C. Reagan-National-BOI Boise Air Term. Gowen Fld

9h 44m1 stop Dallas/Fort Worth

$353American Airlines

Wed, Jan 20 - Wed, Feb 10

1:35 pm - 11:59 pmBOI Boise Air Term. Gowen Fld-DCA Washington, D.C. Reagan-National

8h 24m1 stop Dallas/Fort Worth

5:00 am - 12:44 pmDCA Washington, D.C. Reagan-National-BOI Boise Air Term. Gowen Fld

9h 44m1 stop Dallas/Fort Worth

$353American Airlines

Tue, Dec 8 - Tue, Dec 15

6:20 am - 4:45 pmBOI Boise Air Term. Gowen Fld-DCA Washington, D.C. Reagan-National

8h 25m1 stop Las Vegas Harry Reid Intl

6:10 am - 3:10 pmDCA Washington, D.C. Reagan-National-BOI Boise Air Term. Gowen Fld

11h 00m2 stops Chicago Midway Denver Intl

$388Southwest

Sun, Feb 7 - Wed, Feb 10

8:55 pm - 8:50 amBOI Boise Air Term. Gowen Fld-DCA Washington, D.C. Reagan-National

9h 55m2 stops Las Vegas Harry Reid Intl Nashville Intl

1:35 pm - 10:15 pmDCA Washington, D.C. Reagan-National-BOI Boise Air Term. Gowen Fld

10h 40m2 stops Nashville Intl Las Vegas Harry Reid Intl

$388Southwest

Recent last minute flight deals from Idaho to Washington, D.C.

Mon, Nov 16 - Fri, Nov 20

12:15 pm - 11:59 pmBOI Boise Air Term. Gowen Fld-DCA Washington, D.C. Reagan-National

9h 44m1 stop Dallas/Fort Worth

6:00 am - 12:38 pmDCA Washington, D.C. Reagan-National-BOI Boise Air Term. Gowen Fld

8h 38m1 stop Chicago O'Hare Intl

$413American Airlines

Mon, Nov 16 - Fri, Nov 20

1:41 pm - 12:41 amBOI Boise Air Term. Gowen Fld-IAD Washington, D.C. Dulles Intl

9h 00m1 stop Atlanta Hartsfield-Jackson

7:25 am - 12:33 pmIAD Washington, D.C. Dulles Intl-BOI Boise Air Term. Gowen Fld

7h 08m1 stop Minneapolis St Paul

$413Delta

Tue, Nov 17 - Mon, Nov 23

1:19 pm - 11:47 pmBOI Boise Air Term. Gowen Fld-IAD Washington, D.C. Dulles Intl

8h 28m1 stop Salt Lake City

7:00 am - 4:05 pmIAD Washington, D.C. Dulles Intl-BOI Boise Air Term. Gowen Fld

11h 05m1 stop Seattle/Tacoma Intl

$413Delta

Mon, Nov 16 - Wed, Nov 18

12:15 pm - 11:30 pmBOI Boise Air Term. Gowen Fld-IAD Washington, D.C. Dulles Intl

9h 15m1 stop Dallas/Fort Worth

7:14 am - 7:24 pmIAD Washington, D.C. Dulles Intl-BOI Boise Air Term. Gowen Fld

14h 10m2 stops Dallas/Fort Worth Phoenix Sky Harbor Intl

$451American Airlines

Thu, Nov 12 - Sat, Nov 14

6:04 am - 4:14 pmIDA Idaho Falls Fanning Field-IAD Washington, D.C. Dulles Intl

8h 10m1 stop Seattle/Tacoma Intl

7:46 am - 3:18 pmIAD Washington, D.C. Dulles Intl-IDA Idaho Falls Fanning Field

9h 32m1 stop Seattle/Tacoma Intl

$613Alaska Airlines

Sun, Nov 15 - Tue, Nov 17

6:04 am - 4:14 pmIDA Idaho Falls Fanning Field-IAD Washington, D.C. Dulles Intl

8h 10m1 stop Seattle/Tacoma Intl

5:17 pm - 3:18 pmIAD Washington, D.C. Dulles Intl-IDA Idaho Falls Fanning Field

24h 01m1 stop Seattle/Tacoma Intl

$648Alaska Airlines

Tue, Nov 17 - Mon, Nov 23

10:34 am - 7:30 pmBOI Boise Air Term. Gowen Fld-IAD Washington, D.C. Dulles Intl

6h 56m1 stop Denver Intl

10:35 pm - 11:31 amIAD Washington, D.C. Dulles Intl-BOI Boise Air Term. Gowen Fld

14h 56m2 stops Newark Chicago O'Hare Intl

$729United Airlines

Thu, Nov 12 - Sat, Nov 14

5:00 am - 4:28 pmBOI Boise Air Term. Gowen Fld-DCA Washington, D.C. Reagan-National

9h 28m2 stops Denver Intl Newark

6:25 am - 11:31 amDCA Washington, D.C. Reagan-National-BOI Boise Air Term. Gowen Fld

7h 06m1 stop Chicago O'Hare Intl

$794United Airlines

Fri, Nov 13 - Mon, Nov 16

10:30 am - 11:55 pmBOI Boise Air Term. Gowen Fld-DCA Washington, D.C. Reagan-National

11h 25m2 stops Oakland Houston Hobby

4:00 pm - 10:35 pmDCA Washington, D.C. Reagan-National-BOI Boise Air Term. Gowen Fld

8h 35m2 stops Omaha Eppley Airfield Denver Intl

$993Southwest

Fri, Nov 13 - Mon, Nov 16

5:35 am - 4:55 pmBOI Boise Air Term. Gowen Fld-DCA Washington, D.C. Reagan-National

9h 20m2 stops Las Vegas Harry Reid Intl Kansas City

4:00 pm - 10:35 pmDCA Washington, D.C. Reagan-National-BOI Boise Air Term. Gowen Fld

8h 35m2 stops Omaha Eppley Airfield Denver Intl

$993Southwest

Useful Info

Low season	February
High season	April
Cheapest flight	$177

Best time to beat the crowds but there is an average 44% increase in price.

Most popular time to fly and prices are also 1% lower on average.

Flight from Boise to Washington Dulles Airport

How does KAYAK find such low prices on flights from Idaho to Washington, D.C.?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Idaho to Washington, D.C..
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Idaho to Washington, D.C.?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Washington, D.C. from Idaho is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights from Idaho to Washington, D.C.?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Washington, D.C. with an airline and back to Idaho with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Idaho to Washington, D.C.?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Washington, D.C. from Idaho up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Linthicum Heights

Hanover

Springfield

Gaithersburg

Towson

Owings Mills

Oxon Hill

Greenbelt

Glen Burnie

Edgewood

Camp Springs

Chesapeake Beach

Ellicott City

Pikesville

Hunt Valley

Capitol Heights

Lutherville Timonium

Colonial Beach

Clinton

Westminster

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$177 Find Cheap Flights from Idaho to Washington, D.C. - Compare and Save

Cheap Flights from Idaho to Washington, D.C.

Recent round-trip flight deals from Idaho to Washington, D.C.

Recent one-way flight deals from Idaho to Washington, D.C.

Recent last minute flight deals from Idaho to Washington, D.C.

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