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.

$137 CHEAP FLIGHTS from Idaho to Washington, D.C.

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Cheap Flights from Idaho to Washington, D.C.

Cheap flights from Idaho to Washington, D.C. with top airlines, updated regularly. Compare round-trip, one-way, direct and last-minute deals.

Round-trip

One-way

Last minute

Mon, Dec 21 - Mon, Dec 28

6:56 pm - 7:27 amBOI Boise Air Term. Gowen Fld-IAD Washington, D.C. Dulles Intl

10h 31m1 stop Las Vegas Harry Reid Intl

8:20 pm - 6:01 pmIAD Washington, D.C. Dulles Intl-BOI Boise Air Term. Gowen Fld

23h 41m1 stop Las Vegas Harry Reid Intl

$316Frontier

Tue, Dec 8 - Sat, Dec 12

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

7h 10m1 stop Dallas/Fort Worth

7:00 am - 1:28 pmDCA Washington, D.C. Reagan-National-BOI Boise Air Term. Gowen Fld

8h 28m1 stop Phoenix Sky Harbor Intl

$321American Airlines

Mon, Jan 11 - Fri, Jan 15

1:43 pm - 10:15 pmBOI Boise Air Term. Gowen Fld-DCA Washington, D.C. Reagan-National

6h 32m1 stop Atlanta Hartsfield-Jackson

4:40 pm - 11:52 pmDCA Washington, D.C. Reagan-National-BOI Boise Air Term. Gowen Fld

9h 12m1 stop Seattle/Tacoma Intl

$321Delta

Mon, Feb 1 - Tue, Feb 9

3:22 pm - 11:29 pmBOI Boise Air Term. Gowen Fld-DCA Washington, D.C. Reagan-National

6h 07m1 stop Minneapolis St Paul

6:00 am - 12:39 pmDCA Washington, D.C. Reagan-National-BOI Boise Air Term. Gowen Fld

8h 39m1 stop Atlanta Hartsfield-Jackson

$321Delta

Tue, Jan 5 - Wed, Jan 13

1:05 pm - 9:45 pmBOI Boise Air Term. Gowen Fld-BWI Baltimore/Washington

6h 40m1 stop Denver Intl

3:05 pm - 11:05 pmBWI Baltimore/Washington-BOI Boise Air Term. Gowen Fld

10h 00m1 stop Denver Intl

$321Southwest

Wed, Dec 16 - Tue, Jan 5

1:05 pm - 9:45 pmBOI Boise Air Term. Gowen Fld-BWI Baltimore/Washington

6h 40m1 stop Denver Intl

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

6h 50m1 stop Denver Intl

$321Southwest

Thu, Nov 26 - Sat, Dec 5

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

8h 46m1 stop San Francisco

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

8h 35m1 stop San Francisco

$321United Airlines

Mon, Nov 2 - Fri, Nov 6

7:00 pm - 5:35 amBOI Boise Air Term. Gowen Fld-IAD Washington, D.C. Dulles Intl

8h 35m1 stop San Francisco

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

7h 20m1 stop Chicago O'Hare Intl

$321United Airlines

Tue, Dec 8 - Sat, Dec 12

2:42 pm - 11:59 pmBOI Boise Air Term. Gowen Fld-DCA Washington, D.C. Reagan-National

7h 17m1 stop Dallas/Fort Worth

7:00 am - 1:28 pmDCA Washington, D.C. Reagan-National-BOI Boise Air Term. Gowen Fld

8h 28m1 stop Phoenix Sky Harbor Intl

$321American Airlines

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

$353Alaska Airlines

Tue, Oct 20 - Tue, Oct 27

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

7h 18m1 stop Dallas/Fort Worth

10:00 am - 4:59 pmDCA Washington, D.C. Reagan-National-BOI Boise Air Term. Gowen Fld

8h 59m1 stop Phoenix Sky Harbor Intl

$383American Airlines

Tue, Oct 20 - Tue, Oct 27

12:08 pm - 10:49 pmBOI Boise Air Term. Gowen Fld-IAD Washington, D.C. Dulles Intl

8h 41m1 stop Seattle/Tacoma Intl

6:59 pm - 11:59 pmIAD Washington, D.C. Dulles Intl-BOI Boise Air Term. Gowen Fld

7h 00m1 stop Minneapolis St Paul

$383Delta

Tue, Oct 20 - Tue, Oct 27

12:55 pm - 11:55 pmBOI Boise Air Term. Gowen Fld-DCA Washington, D.C. Reagan-National

9h 00m2 stops Denver Intl Dallas Love Field

4:40 pm - 11:15 pmDCA Washington, D.C. Reagan-National-BOI Boise Air Term. Gowen Fld

8h 35m1 stop Las Vegas Harry Reid Intl

$446Southwest

Tue, Oct 20 - Tue, Oct 27

12:55 pm - 11:55 pmBOI Boise Air Term. Gowen Fld-DCA Washington, D.C. Reagan-National

9h 00m2 stops Denver Intl Dallas Love Field

4:00 pm - 11:55 pmDCA Washington, D.C. Reagan-National-BOI Boise Air Term. Gowen Fld

9h 55m2 stops Nashville Intl Phoenix Sky Harbor Intl

$451Southwest

Sun, Oct 18 - Sun, Oct 25

11:10 pm - 9:19 amBOI Boise Air Term. Gowen Fld-IAD Washington, D.C. Dulles Intl

8h 09m1 stop Atlanta Hartsfield-Jackson

6:13 am - 10:42 amIAD Washington, D.C. Dulles Intl-BOI Boise Air Term. Gowen Fld

6h 29m1 stop Salt Lake City

$491Delta

Thu, Oct 15 - Sun, Oct 18

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

$535Frontier

Thu, Oct 15 - Sun, Oct 18

12:26 pm - 9:02 pmBOI Boise Air Term. Gowen Fld-BWI Baltimore/Washington

6h 36m1 stop Chicago O'Hare Intl

6:29 am - 11:28 amBWI Baltimore/Washington-BOI Boise Air Term. Gowen Fld

6h 59m1 stop Chicago O'Hare Intl

$763United Airlines

Sun, Oct 18 - Sun, Oct 25

12:26 pm - 10:52 pmBOI Boise Air Term. Gowen Fld-IAD Washington, D.C. Dulles Intl

8h 26m1 stop Chicago O'Hare Intl

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

15h 21m2 stops New York LaGuardia Chicago O'Hare Intl

$895United Airlines

Sun, Oct 18 - Sun, Oct 25

6:17 am - 9:16 pmBOI Boise Air Term. Gowen Fld-IAD Washington, D.C. Dulles Intl

12h 59m2 stops Phoenix Sky Harbor Intl Charlotte Douglas

5:01 am - 2:33 pmIAD Washington, D.C. Dulles Intl-BOI Boise Air Term. Gowen Fld

11h 32m2 stops Charlotte Douglas Chicago O'Hare Intl

$937American Airlines

Tue, Oct 20 - Tue, Oct 27

10:34 am - 10:49 pmBOI Boise Air Term. Gowen Fld-IAD Washington, D.C. Dulles Intl

10h 15m1 stop Seattle/Tacoma Intl

3:03 pm - 11:59 pmIAD Washington, D.C. Dulles Intl-BOI Boise Air Term. Gowen Fld

10h 56m2 stops Atlanta Hartsfield-Jackson Salt Lake City

$1,033Delta

Low season	January
High season	April
Cheapest flight	$137

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

Capitol Heights

Colonial Beach

Lutherville Timonium

Westminster

Clinton

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$137 Find Cheap Flights from Idaho to Washington, D.C. - Compare and Save

Cheap Flights from Idaho to Washington, D.C.

Cheap flights from Idaho to Washington, D.C. with top airlines, updated regularly. Compare round-trip, one-way, direct and last-minute deals.

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