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.

$167 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.

Wed, Dec 16 - Wed, Jan 6

12:20 pm - 12:31 amBOI Boise Air Term. Gowen Fld-IAD Washington, D.C. Dulles Intl

10h 11m1 stop Seattle/Tacoma Intl

7:05 am - 12:17 pmIAD Washington, D.C. Dulles Intl-BOI Boise Air Term. Gowen Fld

7h 12m1 stop Salt Lake City

$321Delta

Mon, Dec 14 - Fri, Jan 8

3:00 pm - 11:36 pmBOI Boise Air Term. Gowen Fld-IAD Washington, D.C. Dulles Intl

6h 36m1 stop Minneapolis St Paul

7:10 am - 2:10 pmIAD Washington, D.C. Dulles Intl-BOI Boise Air Term. Gowen Fld

9h 00m1 stop Minneapolis St Paul

$321Delta

Mon, Dec 7 - Wed, Dec 9

1:39 pm - 10:35 pmBOI Boise Air Term. Gowen Fld-DCA Washington, D.C. Reagan-National

6h 56m1 stop Chicago O'Hare Intl

6:04 am - 12:59 pmDCA Washington, D.C. Reagan-National-BOI Boise Air Term. Gowen Fld

8h 55m1 stop Chicago O'Hare Intl

$321American Airlines

Thu, Dec 17 - Wed, Jan 6

6:07 am - 5:59 pmBOI Boise Air Term. Gowen Fld-DCA Washington, D.C. Reagan-National

9h 52m1 stop Chicago O'Hare Intl

7:00 am - 4:04 pmDCA Washington, D.C. Reagan-National-BOI Boise Air Term. Gowen Fld

11h 04m1 stop Phoenix Sky Harbor Intl

$321American Airlines

Thu, Nov 26 - Thu, Dec 3

8:28 am - 5:24 pmBOI Boise Air Term. Gowen Fld-IAD Washington, D.C. Dulles Intl

6h 56m1 stop Chicago O'Hare Intl

8:15 am - 4:50 pmIAD Washington, D.C. Dulles Intl-BOI Boise Air Term. Gowen Fld

10h 35m1 stop San Francisco

$323United Airlines

Sat, Nov 21 - Wed, Dec 2

7:55 pm - 5:10 amBOI Boise Air Term. Gowen Fld-IAD Washington, D.C. Dulles Intl

31h 15m1 stop Las Vegas Harry Reid Intl

12:06 pm - 7:01 pmIAD Washington, D.C. Dulles Intl-BOI Boise Air Term. Gowen Fld

32h 55m2 stops Atlanta Hartsfield-Jackson Las Vegas Harry Reid Intl

$326Frontier

Fri, Nov 27 - Fri, Dec 4

5:35 am - 4:25 pmBOI Boise Air Term. Gowen Fld-DCA Washington, D.C. Reagan-National

8h 50m1 stop Las Vegas Harry Reid Intl

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

$326Southwest

Thu, Nov 26 - Thu, Dec 3

6:30 am - 2:58 pmBOI Boise Air Term. Gowen Fld-DCA Washington, D.C. Reagan-National

6h 28m1 stop Denver Intl

7:45 am - 4:50 pmDCA Washington, D.C. Reagan-National-BOI Boise Air Term. Gowen Fld

11h 05m1 stop San Francisco

$329United Airlines

Thu, Feb 18 - Tue, Feb 23

4:00 pm - 5:31 amBOI Boise Air Term. Gowen Fld-IAD Washington, D.C. Dulles Intl

11h 31m1 stop Seattle/Tacoma Intl

7:00 am - 3:05 pmIAD Washington, D.C. Dulles Intl-BOI Boise Air Term. Gowen Fld

10h 05m1 stop Seattle/Tacoma Intl

$343Alaska Airlines

Tue, Jan 26 - Sat, Jan 30

6:35 am - 6:15 pmBOI Boise Air Term. Gowen Fld-DCA Washington, D.C. Reagan-National

9h 40m1 stop Sacramento Intl

12:00 pm - 9:15 pmDCA Washington, D.C. Reagan-National-BOI Boise Air Term. Gowen Fld

11h 15m2 stops Lambert-St Louis Denver Intl

$353Southwest

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

Tue, Nov 3 - Mon, Nov 16

1:53 pm - 5:44 amIDA Idaho Falls Fanning Field-IAD Washington, D.C. Dulles Intl

13h 51m1 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

$518Alaska Airlines

Sun, Nov 1 - Sat, Nov 7

6:04 am - 4:20 pmIDA Idaho Falls Fanning Field-DCA Washington, D.C. Reagan-National

8h 16m1 stop Seattle/Tacoma Intl

5:20 pm - 1:16 pmDCA Washington, D.C. Reagan-National-IDA Idaho Falls Fanning Field

21h 56m1 stop Portland

$588Alaska Airlines

Sun, Nov 1 - Sat, Nov 7

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

$588Alaska Airlines

Sun, Nov 1 - Sat, Nov 7

1:05 pm - 11:35 pmIDA Idaho Falls Fanning Field-IAD Washington, D.C. Dulles Intl

8h 30m1 stop Salt Lake City

12:20 pm - 10:10 pmIAD Washington, D.C. Dulles Intl-IDA Idaho Falls Fanning Field

11h 50m2 stops Detroit Metropolitan Wayne County Salt Lake City

$593Delta

Sun, Nov 1 - Sat, Nov 7

1:05 pm - 12:42 amIDA Idaho Falls Fanning Field-IAD Washington, D.C. Dulles Intl

9h 37m2 stops Salt Lake City Atlanta Hartsfield-Jackson

2:28 pm - 10:10 pmIAD Washington, D.C. Dulles Intl-IDA Idaho Falls Fanning Field

9h 42m2 stops Minneapolis St Paul Salt Lake City

$599Delta

Tue, Nov 3 - Mon, Nov 16

6:36 am - 11:30 pmIDA Idaho Falls Fanning Field-IAD Washington, D.C. Dulles Intl

14h 54m2 stops Phoenix Sky Harbor Intl Dallas/Fort Worth

2:42 pm - 9:43 pmIAD Washington, D.C. Dulles Intl-IDA Idaho Falls Fanning Field

9h 01m1 stop Dallas/Fort Worth

$607American Airlines

Sun, Nov 1 - Sat, Nov 7

7:00 am - 2:55 pmIDA Idaho Falls Fanning Field-DCA Washington, D.C. Reagan-National

5h 55m1 stop Denver Intl

6:00 am - 3:38 pmDCA Washington, D.C. Reagan-National-IDA Idaho Falls Fanning Field

11h 38m2 stops Houston George Bush Intcntl Denver Intl

$713United Airlines

Sun, Nov 1 - Sat, Nov 7

7:00 am - 2:55 pmIDA Idaho Falls Fanning Field-DCA Washington, D.C. Reagan-National

5h 55m1 stop Denver Intl

6:00 am - 3:38 pmDCA Washington, D.C. Reagan-National-IDA Idaho Falls Fanning Field

11h 38m2 stops Houston George Bush Intcntl Denver Intl

$793United Airlines

Tue, Nov 3 - Mon, Nov 16

6:36 am - 11:30 pmIDA Idaho Falls Fanning Field-IAD Washington, D.C. Dulles Intl

14h 54m2 stops Phoenix Sky Harbor Intl Dallas/Fort Worth

6:00 am - 10:59 pmIAD Washington, D.C. Dulles Intl-IDA Idaho Falls Fanning Field

18h 59m2 stops Los Angeles Phoenix Sky Harbor Intl

$801American Airlines

Sun, Nov 1 - Sat, Nov 7

6:00 am - 5:59 pmIDA Idaho Falls Fanning Field-DCA Washington, D.C. Reagan-National

9h 59m2 stops Salt Lake City Minneapolis St Paul

6:10 am - 12:22 pmDCA Washington, D.C. Reagan-National-IDA Idaho Falls Fanning Field

8h 12m2 stops Detroit Metropolitan Wayne County Salt Lake City

$997Delta

Useful Info

Low season	January
High season	April
Cheapest flight	$167

Best time to beat the crowds with an average 28% drop in price.

Most popular time to fly with an average 4% increase in price.

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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$167 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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