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.

$93 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 - Tue, Jan 19

1:35 pm - 10:55 pmBOI Boise Air Term. Gowen Fld-IAD Washington, D.C. Dulles Intl

7h 20m1 stop Dallas/Fort Worth

12:30 pm - 8:06 pmIAD Washington, D.C. Dulles Intl-BOI Boise Air Term. Gowen Fld

9h 36m1 stop Dallas/Fort Worth

$225American Airlines

Thu, Dec 10 - Mon, Dec 14

6:00 pm - 5:35 amBOI Boise Air Term. Gowen Fld-IAD Washington, D.C. Dulles Intl

9h 35m1 stop Seattle/Tacoma Intl

5:18 pm - 11:59 pmIAD Washington, D.C. Dulles Intl-BOI Boise Air Term. Gowen Fld

8h 41m1 stop Seattle/Tacoma Intl

$225Alaska Airlines

Tue, Nov 10 - Thu, Nov 12

12:13 pm - 12:20 amBOI Boise Air Term. Gowen Fld-IAD Washington, D.C. Dulles Intl

10h 07m1 stop Seattle/Tacoma Intl

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

11h 05m1 stop Seattle/Tacoma Intl

$225Delta

Tue, Jan 5 - Tue, Jan 12

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

7h 16m1 stop Seattle/Tacoma Intl

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

10h 55m1 stop Seattle/Tacoma Intl

$225Delta

Thu, Jan 28 - Mon, Feb 8

2:30 pm - 11:15 pmBOI Boise Air Term. Gowen Fld-BWI Baltimore/Washington

6h 45m1 stop Denver Intl

6:20 am - 2:30 pmBWI Baltimore/Washington-BOI Boise Air Term. Gowen Fld

10h 10m1 stop San Diego

$225Southwest

Mon, Feb 1 - Tue, Feb 9

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

8h 24m1 stop Dallas/Fort Worth

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

11h 04m1 stop Phoenix Sky Harbor Intl

$225American Airlines

Mon, Nov 9 - Tue, Nov 10

1:53 pm - 5:44 amBOI Boise Air Term. Gowen Fld-IAD Washington, D.C. Dulles Intl

13h 51m1 stop Seattle/Tacoma Intl

6:46 pm - 1:30 pmIAD Washington, D.C. Dulles Intl-BOI Boise Air Term. Gowen Fld

20h 44m1 stop San Diego

$225Alaska Airlines

Thu, Dec 3 - Thu, Dec 10

1:05 pm - 9:50 pmBOI Boise Air Term. Gowen Fld-BWI Baltimore/Washington

6h 45m1 stop Denver Intl

6:10 am - 11:00 amBWI Baltimore/Washington-BOI Boise Air Term. Gowen Fld

6h 50m1 stop Denver Intl

$226Southwest

Tue, Nov 10 - Mon, Nov 23

2:51 pm - 11:15 pmBOI Boise Air Term. Gowen Fld-IAD Washington, D.C. Dulles Intl

6h 24m1 stop Denver Intl

2:38 pm - 9:15 pmIAD Washington, D.C. Dulles Intl-BOI Boise Air Term. Gowen Fld

8h 37m1 stop San Francisco

$261United Airlines

Tue, Jan 5 - Tue, Jan 12

2:35 pm - 10:59 pmBOI Boise Air Term. Gowen Fld-BWI Baltimore/Washington

6h 24m1 stop Denver Intl

5:24 pm - 11:15 pmBWI Baltimore/Washington-BOI Boise Air Term. Gowen Fld

7h 51m1 stop Chicago O'Hare Intl

$283United Airlines

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

Thu, Oct 29 - Sun, Nov 1

3:00 pm - 11:44 pmBOI Boise Air Term. Gowen Fld-DCA Washington, D.C. Reagan-National

6h 44m1 stop Minneapolis St Paul

5:59 pm - 10:47 pmDCA Washington, D.C. Reagan-National-BOI Boise Air Term. Gowen Fld

6h 48m1 stop Salt Lake City

$403Delta

Wed, Oct 28 - Sat, Oct 31

12:58 pm - 11:59 pmBOI Boise Air Term. Gowen Fld-IAD Washington, D.C. Dulles Intl

9h 01m1 stop Seattle/Tacoma Intl

7:02 am - 3:23 pmIAD Washington, D.C. Dulles Intl-BOI Boise Air Term. Gowen Fld

10h 21m1 stop Seattle/Tacoma Intl

$403Alaska Airlines

Mon, Oct 26 - Sat, Oct 31

1:40 pm - 12:42 amBOI Boise Air Term. Gowen Fld-IAD Washington, D.C. Dulles Intl

9h 02m1 stop Atlanta Hartsfield-Jackson

7:23 am - 12:35 pmIAD Washington, D.C. Dulles Intl-BOI Boise Air Term. Gowen Fld

7h 12m1 stop Minneapolis St Paul

$403Delta

Tue, Oct 27 - Mon, Nov 2

2:06 pm - 11:59 pmBOI Boise Air Term. Gowen Fld-IAD Washington, D.C. Dulles Intl

7h 53m1 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, Oct 29 - Sun, Nov 1

12:14 pm - 11:23 pmBOI Boise Air Term. Gowen Fld-IAD Washington, D.C. Dulles Intl

9h 09m1 stop Dallas/Fort Worth

5:00 am - 12:37 pmIAD Washington, D.C. Dulles Intl-BOI Boise Air Term. Gowen Fld

9h 37m2 stops Charlotte Douglas Chicago O'Hare Intl

$479American Airlines

Mon, Oct 26 - Tue, Nov 3

2:50 pm - 6:20 amBOI Boise Air Term. Gowen Fld-IAD Washington, D.C. Dulles Intl

13h 30m1 stop Las Vegas Harry Reid Intl

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

8h 32m1 stop Seattle/Tacoma Intl

$482Multiple Airlines

Thu, Oct 29 - Sun, Nov 1

12:14 pm - 11:59 pmBOI Boise Air Term. Gowen Fld-DCA Washington, D.C. Reagan-National

9h 45m2 stops Dallas/Fort Worth Charlotte Douglas

5:00 am - 11:25 amDCA Washington, D.C. Reagan-National-BOI Boise Air Term. Gowen Fld

8h 25m1 stop Dallas/Fort Worth

$505American Airlines

Thu, Oct 29 - Sun, Nov 1

6:10 am - 10:55 pmBOI Boise Air Term. Gowen Fld-DCA Washington, D.C. Reagan-National

14h 45m2 stops Las Vegas Harry Reid Intl Dallas Love Field

3:35 pm - 10:55 pmDCA Washington, D.C. Reagan-National-BOI Boise Air Term. Gowen Fld

9h 20m2 stops Nashville Intl Denver Intl

$517Southwest

Wed, Oct 28 - Sat, Oct 31

12:00 pm - 10:30 pmBOI Boise Air Term. Gowen Fld-DCA Washington, D.C. Reagan-National

8h 30m1 stop San Francisco

6:00 am - 6:03 pmDCA Washington, D.C. Reagan-National-BOI Boise Air Term. Gowen Fld

14h 03m2 stops Houston George Bush Intcntl Denver Intl

$538United Airlines

Mon, Oct 26 - Tue, Nov 3

4:05 pm - 12:10 amBOI Boise Air Term. Gowen Fld-BWI Baltimore/Washington

6h 05m1 stop Denver Intl

5:20 pm - 10:30 pmBWI Baltimore/Washington-BOI Boise Air Term. Gowen Fld

7h 10m1 stop Denver Intl

$680Southwest

Useful Info

Low season	January
High season	April
Cheapest flight	$93

Best time to beat the crowds with an average 27% drop in price.

Most popular time to fly with an average 5% 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

Oxon Hill

Owings Mills

Greenbelt

Glen Burnie

Edgewood

Camp Springs

Chesapeake Beach

Ellicott City

Pikesville

Hunt Valley

Capitol Heights

Colonial Beach

Lutherville Timonium

Westminster

Clinton

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$93 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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