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.

$129 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.

Thu, Jan 14 - Fri, Feb 5

6:37 am - 4:27 pmBOI Boise Air Term. Gowen Fld-IAD Washington, D.C. Dulles Intl

7h 50m1 stop Seattle/Tacoma Intl

5:30 pm - 11:44 pmIAD Washington, D.C. Dulles Intl-BOI Boise Air Term. Gowen Fld

8h 14m1 stop Seattle/Tacoma Intl

$321Alaska Airlines

Tue, Jan 12 - Wed, Feb 3

6:37 am - 4:27 pmBOI Boise Air Term. Gowen Fld-IAD Washington, D.C. Dulles Intl

7h 50m1 stop Seattle/Tacoma Intl

5:30 pm - 11:44 pmIAD Washington, D.C. Dulles Intl-BOI Boise Air Term. Gowen Fld

8h 14m1 stop Seattle/Tacoma Intl

$321Alaska Airlines

Fri, Dec 4 - Fri, Dec 11

1:07 pm - 11:47 pmBOI Boise Air Term. Gowen Fld-IAD Washington, D.C. Dulles Intl

8h 40m1 stop Salt Lake City

7:06 pm - 12:10 amIAD Washington, D.C. Dulles Intl-BOI Boise Air Term. Gowen Fld

7h 04m1 stop Minneapolis St Paul

$321Delta

Sat, Jan 9 - Mon, Feb 8

1:50 pm - 11:50 pmBOI Boise Air Term. Gowen Fld-IAD Washington, D.C. Dulles Intl

8h 00m1 stop Seattle/Tacoma Intl

7:17 am - 2:10 pmIAD Washington, D.C. Dulles Intl-BOI Boise Air Term. Gowen Fld

8h 53m1 stop Minneapolis St Paul

$321Delta

Fri, Dec 11 - Wed, Dec 16

12:16 pm - 11:59 pmBOI Boise Air Term. Gowen Fld-DCA Washington, D.C. Reagan-National

9h 43m1 stop Dallas/Fort Worth

7:12 am - 1:52 pmDCA Washington, D.C. Reagan-National-BOI Boise Air Term. Gowen Fld

8h 40m1 stop Dallas/Fort Worth

$321American Airlines

Wed, Dec 2 - Fri, Dec 4

2:49 pm - 11:59 pmBOI Boise Air Term. Gowen Fld-DCA Washington, D.C. Reagan-National

7h 10m1 stop Dallas/Fort Worth

5:00 am - 11:24 amDCA Washington, D.C. Reagan-National-BOI Boise Air Term. Gowen Fld

8h 24m1 stop Dallas/Fort Worth

$321American Airlines

Wed, Dec 2 - Fri, Dec 4

5:45 am - 4:20 pmBOI Boise Air Term. Gowen Fld-DCA Washington, D.C. Reagan-National

8h 35m2 stops Phoenix Sky Harbor Intl Lambert-St Louis

2:40 pm - 10:35 pmDCA Washington, D.C. Reagan-National-BOI Boise Air Term. Gowen Fld

9h 55m2 stops Lambert-St Louis Denver Intl

$331Southwest

Mon, Jan 11 - Sat, Feb 6

8:20 am - 8:50 pmBOI Boise Air Term. Gowen Fld-DCA Washington, D.C. Reagan-National

10h 30m2 stops Denver Intl Dallas Love Field

12:00 pm - 9:20 pmDCA Washington, D.C. Reagan-National-BOI Boise Air Term. Gowen Fld

11h 20m2 stops Lambert-St Louis Denver Intl

$377Southwest

Mon, Dec 28 - Mon, Jan 4

5:33 pm - 6:07 amBOI Boise Air Term. Gowen Fld-IAD Washington, D.C. Dulles Intl

10h 34m1 stop Las Vegas Harry Reid Intl

7:13 pm - 1:28 pmIAD Washington, D.C. Dulles Intl-BOI Boise Air Term. Gowen Fld

20h 15m1 stop San Diego

$382Multiple Airlines

Tue, Nov 17 - Sun, Nov 22

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

6h 56m1 stop Denver Intl

4:15 pm - 11:33 pmIAD Washington, D.C. Dulles Intl-BOI Boise Air Term. Gowen Fld

9h 18m1 stop San Francisco

$397United Airlines

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

Wed, Nov 11 - Sat, Nov 14

6:37 am - 4:14 pmBOI Boise Air Term. Gowen Fld-IAD Washington, D.C. Dulles Intl

7h 37m1 stop Seattle/Tacoma Intl

5:17 pm - 11:49 pmIAD Washington, D.C. Dulles Intl-BOI Boise Air Term. Gowen Fld

8h 32m1 stop Seattle/Tacoma Intl

$403Alaska Airlines

Thu, Nov 12 - Sun, Nov 15

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

8h 28m1 stop Salt Lake City

6:00 am - 1:39 pmIAD Washington, D.C. Dulles Intl-BOI Boise Air Term. Gowen Fld

9h 39m1 stop Atlanta Hartsfield-Jackson

$403Delta

Thu, Nov 12 - Sat, Nov 14

8:15 am - 7:01 pmBOI Boise Air Term. Gowen Fld-IAD Washington, D.C. Dulles Intl

8h 46m1 stop San Francisco

4:10 pm - 9:34 pmIAD Washington, D.C. Dulles Intl-BOI Boise Air Term. Gowen Fld

7h 24m1 stop Denver Intl

$403United Airlines

Mon, Nov 9 - Thu, Nov 12

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

6h 56m1 stop Denver Intl

6:11 am - 11:31 amIAD Washington, D.C. Dulles Intl-BOI Boise Air Term. Gowen Fld

7h 20m1 stop Chicago O'Hare Intl

$403United Airlines

Mon, Nov 9 - Wed, Nov 11

1:24 pm - 11:55 pmBOI Boise Air Term. Gowen Fld-DCA Washington, D.C. Reagan-National

8h 31m1 stop Chicago O'Hare Intl

3:31 pm - 10:42 pmDCA Washington, D.C. Reagan-National-BOI Boise Air Term. Gowen Fld

9h 11m1 stop Dallas/Fort Worth

$403American Airlines

Mon, Nov 9 - Thu, Nov 12

1:24 pm - 10:29 pmBOI Boise Air Term. Gowen Fld-DCA Washington, D.C. Reagan-National

7h 05m1 stop Chicago O'Hare Intl

5:00 am - 1:51 pmDCA Washington, D.C. Reagan-National-BOI Boise Air Term. Gowen Fld

10h 51m1 stop Dallas/Fort Worth

$403American Airlines

Mon, Nov 9 - Wed, Nov 11

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 - 12:24 pmIAD Washington, D.C. Dulles Intl-BOI Boise Air Term. Gowen Fld

7h 24m1 stop Salt Lake City

$403Delta

Mon, Nov 9 - Wed, Nov 11

5:35 am - 10:55 pmBOI Boise Air Term. Gowen Fld-DCA Washington, D.C. Reagan-National

15h 20m2 stops Las Vegas Harry Reid Intl Kansas City

2:40 pm - 10:35 pmDCA Washington, D.C. Reagan-National-BOI Boise Air Term. Gowen Fld

9h 55m2 stops Lambert-St Louis Denver Intl

$419Southwest

Mon, Nov 9 - Thu, Nov 12

5:35 am - 10:55 pmBOI Boise Air Term. Gowen Fld-DCA Washington, D.C. Reagan-National

15h 20m2 stops Las Vegas Harry Reid Intl Kansas City

4:25 pm - 11:00 pmDCA Washington, D.C. Reagan-National-BOI Boise Air Term. Gowen Fld

8h 35m2 stops Oklahoma City Will Rogers World Denver Intl

$497Southwest

Tue, Nov 10 - Tue, Nov 17

3:55 pm - 4:11 pmIDA Idaho Falls Fanning Field-DCA Washington, D.C. Reagan-National

22h 16m1 stop Portland

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

21h 56m1 stop Portland

$529Alaska Airlines

Useful Info

Low season	February
High season	April
Cheapest flight	$129

Best time to beat the crowds but there is an average 42% increase in price.

Most popular time to fly and prices are also 3% 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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$129 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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