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.

$107 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, Oct 29 - Wed, Nov 4

3:24 pm - 12:16 amBOI Boise Air Term. Gowen Fld-BWI Baltimore/Washington

6h 52m1 stop Chicago O'Hare Intl

7:18 am - 12:37 pmBWI Baltimore/Washington-BOI Boise Air Term. Gowen Fld

7h 19m1 stop Chicago O'Hare Intl

$212American Airlines

Thu, Oct 29 - Wed, Nov 4

2:41 pm - 11:59 pmBOI Boise Air Term. Gowen Fld-DCA Washington, D.C. Reagan-National

7h 18m1 stop Dallas/Fort Worth

6:00 am - 12:37 pmDCA Washington, D.C. Reagan-National-BOI Boise Air Term. Gowen Fld

8h 37m1 stop Chicago O'Hare Intl

$212American Airlines

Tue, Nov 10 - Wed, Nov 18

3:00 pm - 11:23 pmBOI Boise Air Term. Gowen Fld-BWI Baltimore/Washington

6h 23m1 stop Minneapolis St Paul

7:01 am - 12:33 pmBWI Baltimore/Washington-BOI Boise Air Term. Gowen Fld

7h 32m1 stop Minneapolis St Paul

$213Delta

Wed, Oct 28 - Sat, Oct 31

1:40 pm - 11:28 pmBOI Boise Air Term. Gowen Fld-BWI Baltimore/Washington

7h 48m1 stop Atlanta Hartsfield-Jackson

6:00 am - 1:34 pmBWI Baltimore/Washington-BOI Boise Air Term. Gowen Fld

9h 34m1 stop Atlanta Hartsfield-Jackson

$213Delta

Wed, Dec 2 - Tue, Dec 8

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

6h 45m1 stop Denver Intl

2:55 pm - 11:10 pmBWI Baltimore/Washington-BOI Boise Air Term. Gowen Fld

10h 15m1 stop Las Vegas Harry Reid Intl

$214Southwest

Sat, Oct 31 - Mon, Nov 2

11:35 am - 8:50 pmBOI Boise Air Term. Gowen Fld-BWI Baltimore/Washington

7h 15m1 stop Las Vegas Harry Reid Intl

7:45 pm - 1:25 amBWI Baltimore/Washington-BOI Boise Air Term. Gowen Fld

7h 40m1 stop Las Vegas Harry Reid Intl

$214Southwest

Sat, Nov 7 - Mon, Nov 23

12:31 pm - 9:10 pmBOI Boise Air Term. Gowen Fld-IAD Washington, D.C. Dulles Intl

6h 39m1 stop Chicago O'Hare Intl

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

9h 18m1 stop San Francisco

$249United Airlines

Sat, Jan 16 - Mon, Jan 18

2:35 pm - 11:26 pmBOI Boise Air Term. Gowen Fld-IAD Washington, D.C. Dulles Intl

6h 51m1 stop Denver Intl

6:00 am - 2:51 pmIAD Washington, D.C. Dulles Intl-BOI Boise Air Term. Gowen Fld

10h 51m1 stop San Francisco

$249United Airlines

Fri, Nov 6 - Mon, Nov 9

4:16 pm - 5:44 amBOI Boise Air Term. Gowen Fld-IAD Washington, D.C. Dulles Intl

11h 28m1 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

$258Alaska Airlines

Sat, Oct 24 - Wed, Oct 28

5:59 am - 4:00 pmBOI Boise Air Term. Gowen Fld-DCA Washington, D.C. Reagan-National

8h 01m1 stop Portland

5:00 pm - 11:59 pmDCA Washington, D.C. Reagan-National-BOI Boise Air Term. Gowen Fld

8h 59m1 stop Seattle/Tacoma Intl

$361Alaska Airlines

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

Fri, Oct 9 - Mon, Oct 12

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

6:00 am - 1:55 pmIAD Washington, D.C. Dulles Intl-BOI Boise Air Term. Gowen Fld

9h 55m1 stop Las Vegas Harry Reid Intl

$432Frontier

Fri, Oct 9 - Sun, Oct 11

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

6:00 am - 1:55 pmIAD Washington, D.C. Dulles Intl-BOI Boise Air Term. Gowen Fld

9h 55m1 stop Las Vegas Harry Reid Intl

$432Frontier

Mon, Oct 12 - Fri, Oct 16

3:24 pm - 11:59 pmBOI Boise Air Term. Gowen Fld-DCA Washington, D.C. Reagan-National

6h 35m1 stop Chicago O'Hare Intl

8:41 am - 2:33 pmDCA Washington, D.C. Reagan-National-BOI Boise Air Term. Gowen Fld

7h 52m1 stop Chicago O'Hare Intl

$463American Airlines

Mon, Oct 12 - Wed, Oct 14

3:24 pm - 11:59 pmBOI Boise Air Term. Gowen Fld-DCA Washington, D.C. Reagan-National

6h 35m1 stop Chicago O'Hare Intl

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

8h 24m1 stop Dallas/Fort Worth

$463American Airlines

Fri, Oct 9 - Sun, Oct 11

9:04 am - 10:09 pmSUN Hailey Sun Valley-Friedman-IAD Washington, D.C. Dulles Intl

11h 05m1 stop San Francisco

6:35 am - 1:53 pmIAD Washington, D.C. Dulles Intl-SUN Hailey Sun Valley-Friedman

9h 18m1 stop Denver Intl

$539United Airlines

Fri, Oct 9 - Sun, Oct 11

1:00 pm - 12:42 amSUN Hailey Sun Valley-Friedman-IAD Washington, D.C. Dulles Intl

9h 42m2 stops Salt Lake City Atlanta Hartsfield-Jackson

6:13 am - 12:20 pmIAD Washington, D.C. Dulles Intl-SUN Hailey Sun Valley-Friedman

8h 07m1 stop Salt Lake City

$544Delta

Fri, Oct 9 - Sun, Oct 11

1:00 pm - 12:42 amSUN Hailey Sun Valley-Friedman-IAD Washington, D.C. Dulles Intl

9h 42m2 stops Salt Lake City Atlanta Hartsfield-Jackson

6:05 am - 2:35 pmIAD Washington, D.C. Dulles Intl-SUN Hailey Sun Valley-Friedman

10h 30m2 stops Detroit Metropolitan Wayne County Salt Lake City

$550Delta

Sun, Oct 11 - Sun, Oct 18

8:08 am - 6:33 pmBOI Boise Air Term. Gowen Fld-DCA Washington, D.C. Reagan-National

8h 25m1 stop Chicago O'Hare Intl

6:30 am - 11:28 amDCA Washington, D.C. Reagan-National-BOI Boise Air Term. Gowen Fld

6h 58m1 stop Chicago O'Hare Intl

$571United Airlines

Sat, Oct 10 - Thu, Oct 15

7:20 am - 5:40 pmBOI Boise Air Term. Gowen Fld-BWI Baltimore/Washington

8h 20m1 stop San Diego

6:10 am - 1:20 pmBWI Baltimore/Washington-BOI Boise Air Term. Gowen Fld

9h 10m1 stop San Diego

$675Southwest

Thu, Oct 8 - Sat, Oct 10

10:40 am - 8:45 pmBOI Boise Air Term. Gowen Fld-BWI Baltimore/Washington

8h 05m1 stop Denver Intl

3:10 pm - 9:50 pmBWI Baltimore/Washington-BOI Boise Air Term. Gowen Fld

8h 40m2 stops Chicago Midway Denver Intl

$680Southwest

Useful Info

Low season	January
High season	April
Cheapest flight	$107

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

Chesapeake Beach

Camp Springs

Ellicott City

Pikesville

Hunt Valley

Colonial Beach

Capitol Heights

Lutherville Timonium

Westminster

Clinton

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$107 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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