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.

$82 CHEAP FLIGHTS from Idaho to Washington, D.C.

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Flight Deals

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.

Fri, Sep 18 - Mon, Sep 21

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

$152Frontier

Fri, Sep 25 - Mon, Sep 28

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

$154Frontier

Wed, Nov 11 - Tue, Nov 17

3:00 pm - 11:20 pmBOI Boise Air Term. Gowen Fld-IAD Washington, D.C. Dulles Intl

6h 20m1 stop Minneapolis St Paul

6:58 pm - 11:56 pmIAD Washington, D.C. Dulles Intl-BOI Boise Air Term. Gowen Fld

6h 58m1 stop Minneapolis St Paul

$201Delta

Wed, Nov 11 - Mon, Nov 16

1:38 pm - 12:39 amBOI Boise Air Term. Gowen Fld-IAD Washington, D.C. Dulles Intl

9h 01m1 stop Atlanta Hartsfield-Jackson

6:58 pm - 11:56 pmIAD Washington, D.C. Dulles Intl-BOI Boise Air Term. Gowen Fld

6h 58m1 stop Minneapolis St Paul

$201Delta

Wed, Sep 2 - Wed, Sep 9

12:12 pm - 9:34 pmBOI Boise Air Term. Gowen Fld-BWI Baltimore/Washington

7h 22m1 stop Dallas/Fort Worth

3:57 pm - 10:27 pmBWI Baltimore/Washington-BOI Boise Air Term. Gowen Fld

8h 30m1 stop Dallas/Fort Worth

$201American Airlines

Tue, Nov 10 - Tue, Nov 17

1:27 pm - 11:59 pmBOI Boise Air Term. Gowen Fld-BWI Baltimore/Washington

8h 32m1 stop Chicago O'Hare Intl

7:16 am - 12:42 pmBWI Baltimore/Washington-BOI Boise Air Term. Gowen Fld

7h 26m1 stop Chicago O'Hare Intl

$201American Airlines

Sat, Sep 12 - Sat, Sep 19

1:50 pm - 6:30 amBOI Boise Air Term. Gowen Fld-BWI Baltimore/Washington

14h 40m1 stop San Diego

8:50 am - 2:45 pmBWI Baltimore/Washington-BOI Boise Air Term. Gowen Fld

7h 55m1 stop San Jose

$206Southwest

Sat, Sep 12 - Sat, Sep 19

4:35 pm - 6:30 amBOI Boise Air Term. Gowen Fld-BWI Baltimore/Washington

11h 55m2 stops Sacramento Intl San Diego

8:50 am - 2:45 pmBWI Baltimore/Washington-BOI Boise Air Term. Gowen Fld

7h 55m1 stop San Jose

$206Southwest

Wed, Sep 9 - Sat, Sep 12

5:00 am - 3:03 pmGEG Spokane-DCA Washington, D.C. Reagan-National

7h 03m1 stop Denver Intl

4:20 pm - 9:14 pmDCA Washington, D.C. Reagan-National-GEG Spokane

7h 54m1 stop Denver Intl

$231United Airlines

Wed, Sep 9 - Sat, Sep 12

1:37 pm - 11:19 pmGEG Spokane-IAD Washington, D.C. Dulles Intl

6h 42m1 stop Denver Intl

2:43 pm - 9:14 pmIAD Washington, D.C. Dulles Intl-GEG Spokane

9h 31m1 stop Denver Intl

$231United Airlines

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

Sat, Aug 15 - Tue, Aug 18

6:30 am - 3:06 pmBOI Boise Air Term. Gowen Fld-DCA Washington, D.C. Reagan-National

6h 36m1 stop Denver Intl

4:20 pm - 9:37 pmDCA Washington, D.C. Reagan-National-BOI Boise Air Term. Gowen Fld

7h 17m1 stop Denver Intl

$363United Airlines

Sat, Aug 15 - Wed, Aug 19

2:53 pm - 11:21 pmBOI Boise Air Term. Gowen Fld-IAD Washington, D.C. Dulles Intl

6h 28m1 stop Minneapolis St Paul

6:00 am - 12:49 pmIAD Washington, D.C. Dulles Intl-BOI Boise Air Term. Gowen Fld

8h 49m1 stop Atlanta Hartsfield-Jackson

$363Delta

Sat, Aug 15 - Tue, Aug 18

2:53 pm - 11:21 pmBOI Boise Air Term. Gowen Fld-IAD Washington, D.C. Dulles Intl

6h 28m1 stop Minneapolis St Paul

6:49 pm - 11:59 pmIAD Washington, D.C. Dulles Intl-BOI Boise Air Term. Gowen Fld

7h 10m1 stop Minneapolis St Paul

$363Delta

Sat, Aug 15 - Tue, Aug 18

6:44 am - 6:14 pmBOI Boise Air Term. Gowen Fld-DCA Washington, D.C. Reagan-National

9h 30m2 stops Dallas/Fort Worth Charlotte Douglas

3:12 pm - 10:11 pmDCA Washington, D.C. Reagan-National-BOI Boise Air Term. Gowen Fld

8h 59m1 stop Dallas/Fort Worth

$442American Airlines

Sat, Aug 15 - Wed, Aug 19

6:44 am - 8:56 pmBOI Boise Air Term. Gowen Fld-IAD Washington, D.C. Dulles Intl

12h 12m2 stops Dallas/Fort Worth Charlotte Douglas

2:53 pm - 10:11 pmIAD Washington, D.C. Dulles Intl-BOI Boise Air Term. Gowen Fld

9h 18m1 stop Dallas/Fort Worth

$462American Airlines

Sun, Aug 16 - Sun, Aug 23

1:24 pm - 12:51 pmBOI Boise Air Term. Gowen Fld-DCA Washington, D.C. Reagan-National

21h 27m1 stop Denver Intl

5:00 pm - 11:44 pmDCA Washington, D.C. Reagan-National-BOI Boise Air Term. Gowen Fld

8h 44m1 stop Seattle/Tacoma Intl

$537Multiple Airlines

Sat, Aug 15 - Tue, Aug 18

4:05 pm - 6:35 amBOI Boise Air Term. Gowen Fld-BWI Baltimore/Washington

12h 30m2 stops Sacramento Intl San Diego

6:30 am - 10:55 amBWI Baltimore/Washington-BOI Boise Air Term. Gowen Fld

6h 25m1 stop Denver Intl

$542Southwest

Sat, Aug 15 - Tue, Aug 18

4:05 pm - 6:35 amBOI Boise Air Term. Gowen Fld-BWI Baltimore/Washington

12h 30m2 stops Sacramento Intl San Diego

3:40 pm - 11:10 pmBWI Baltimore/Washington-BOI Boise Air Term. Gowen Fld

9h 30m2 stops Nashville Intl Denver Intl

$547Southwest

Sat, Aug 15 - Mon, Aug 17

10:35 am - 9:08 pmIDA Idaho Falls Fanning Field-IAD Washington, D.C. Dulles Intl

8h 33m1 stop Denver Intl

4:15 pm - 9:18 pmIAD Washington, D.C. Dulles Intl-IDA Idaho Falls Fanning Field

7h 03m1 stop Denver Intl

$605United Airlines

Fri, Aug 14 - Sun, Aug 16

7:57 am - 9:00 pmBOI Boise Air Term. Gowen Fld-DCA Washington, D.C. Reagan-National

11h 03m1 stop San Diego

7:00 am - 12:29 pmDCA Washington, D.C. Reagan-National-BOI Boise Air Term. Gowen Fld

7h 29m1 stop Denver Intl

$844Multiple Airlines

Useful Info

Low season	January
High season	April
Cheapest flight	$82

Best time to beat the crowds with an average 31% drop 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

Oxon Hill

Owings Mills

Greenbelt

Glen Burnie

Edgewood

Chesapeake Beach

Ellicott City

Camp Springs

Pikesville

Colonial Beach

Hunt Valley

Lutherville Timonium

Capitol Heights

Westminster

Stevensville

Everything you need to know for your flight to Washington, D.C.

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$82 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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