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.

$128 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 8 - 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

$244Frontier

Thu, Oct 8 - Thu, Oct 15

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

$244Frontier

Tue, Sep 22 - Tue, Sep 29

2:11 pm - 12:41 amBOI Boise Air Term. Gowen Fld-IAD Washington, D.C. Dulles Intl

8h 30m1 stop Atlanta Hartsfield-Jackson

7:00 am - 12:16 pmIAD Washington, D.C. Dulles Intl-BOI Boise Air Term. Gowen Fld

7h 16m1 stop Salt Lake City

$303Delta

Mon, Oct 26 - Thu, Oct 29

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

10h 15m1 stop Seattle/Tacoma Intl

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

7h 12m1 stop Minneapolis St Paul

$303Delta

Mon, Oct 26 - Thu, Oct 29

7:10 pm - 5:35 amBOI Boise Air Term. Gowen Fld-IAD Washington, D.C. Dulles Intl

8h 25m1 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

$303United Airlines

Sat, Sep 19 - Sat, Sep 26

2:41 pm - 11:19 pmBOI Boise Air Term. Gowen Fld-IAD Washington, D.C. Dulles Intl

6h 38m1 stop Denver Intl

2:47 pm - 9:39 pmIAD Washington, D.C. Dulles Intl-BOI Boise Air Term. Gowen Fld

8h 52m1 stop San Francisco

$303United Airlines

Mon, Nov 2 - Thu, Nov 5

8:30 pm - 5:40 amBOI Boise Air Term. Gowen Fld-BWI Baltimore/Washington

7h 10m1 stop Las Vegas Harry Reid Intl

3:50 pm - 12:05 amBWI Baltimore/Washington-BOI Boise Air Term. Gowen Fld

10h 15m1 stop San Diego

$303Southwest

Wed, Oct 28 - Thu, Oct 29

3:20 pm - 11:20 pmBOI Boise Air Term. Gowen Fld-BWI Baltimore/Washington

6h 00m1 stop Denver Intl

4:40 pm - 11:35 pmBWI Baltimore/Washington-BOI Boise Air Term. Gowen Fld

8h 55m1 stop San Diego

$303Southwest

Thu, Nov 5 - Sat, Nov 7

1:24 pm - 11:55 pmBOI Boise Air Term. Gowen Fld-BWI Baltimore/Washington

8h 31m1 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

$303American Airlines

Tue, Sep 22 - Tue, Sep 29

3:21 pm - 11:59 pmBOI Boise Air Term. Gowen Fld-DCA Washington, D.C. Reagan-National

6h 38m1 stop Chicago O'Hare Intl

8:40 am - 2:31 pmDCA Washington, D.C. Reagan-National-BOI Boise Air Term. Gowen Fld

7h 51m1 stop Chicago O'Hare Intl

$303American Airlines

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

Fri, Aug 28 - Tue, Sep 1

6:23 am - 4:20 pmBOI Boise Air Term. Gowen Fld-DCA Washington, D.C. Reagan-National

7h 57m1 stop Seattle/Tacoma Intl

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

7h 29m1 stop Denver Intl

$334Multiple Airlines

Fri, Aug 28 - Tue, Sep 1

1:59 pm - 12:34 amBOI Boise Air Term. Gowen Fld-IAD Washington, D.C. Dulles Intl

8h 35m1 stop Atlanta Hartsfield-Jackson

7:10 am - 3:18 pmIAD Washington, D.C. Dulles Intl-BOI Boise Air Term. Gowen Fld

10h 08m1 stop Seattle/Tacoma Intl

$363Delta

Thu, Aug 27 - Mon, Aug 31

12:24 pm - 9:59 pmBOI Boise Air Term. Gowen Fld-DCA Washington, D.C. Reagan-National

7h 35m1 stop Denver Intl

1:59 pm - 12:29 pmDCA Washington, D.C. Reagan-National-BOI Boise Air Term. Gowen Fld

24h 30m1 stop Denver Intl

$382Frontier

Fri, Aug 28 - Wed, Sep 2

12:44 pm - 11:58 pmGEG Spokane-DCA Washington, D.C. Reagan-National

8h 14m1 stop Dallas/Fort Worth

1:49 pm - 8:42 pmDCA Washington, D.C. Reagan-National-GEG Spokane

9h 53m1 stop Dallas/Fort Worth

$385American Airlines

Fri, Aug 28 - Wed, Sep 2

6:45 am - 6:09 pmGEG Spokane-IAD Washington, D.C. Dulles Intl

8h 24m1 stop Minneapolis St Paul

6:00 pm - 11:09 pmIAD Washington, D.C. Dulles Intl-GEG Spokane

8h 09m1 stop Minneapolis St Paul

$385Delta

Fri, Aug 28 - Tue, Sep 1

12:10 pm - 11:55 pmBOI Boise Air Term. Gowen Fld-DCA Washington, D.C. Reagan-National

9h 45m1 stop Chicago Midway

3:50 pm - 11:10 pmDCA Washington, D.C. Reagan-National-BOI Boise Air Term. Gowen Fld

9h 20m2 stops Nashville Intl Denver Intl

$432Southwest

Fri, Aug 28 - Tue, Sep 1

11:30 am - 10:30 pmBOI Boise Air Term. Gowen Fld-DCA Washington, D.C. Reagan-National

9h 00m2 stops Denver Intl Nashville Intl

2:40 pm - 11:10 pmDCA Washington, D.C. Reagan-National-BOI Boise Air Term. Gowen Fld

10h 30m2 stops Lambert-St Louis Denver Intl

$461Southwest

Fri, Aug 28 - Wed, Sep 2

12:44 pm - 11:58 pmGEG Spokane-DCA Washington, D.C. Reagan-National

8h 14m1 stop Dallas/Fort Worth

12:57 pm - 8:42 pmDCA Washington, D.C. Reagan-National-GEG Spokane

10h 45m2 stops Charlotte Douglas Dallas/Fort Worth

$481American Airlines

Fri, Aug 28 - Tue, Sep 1

5:52 pm - 5:40 amBOI Boise Air Term. Gowen Fld-IAD Washington, D.C. Dulles Intl

9h 48m1 stop Seattle/Tacoma Intl

9:03 am - 7:08 pmIAD Washington, D.C. Dulles Intl-BOI Boise Air Term. Gowen Fld

12h 05m2 stops Seattle/Tacoma Intl Spokane

$710Alaska Airlines

Thu, Aug 27 - Mon, Aug 31

7:48 pm - 6:30 amBOI Boise Air Term. Gowen Fld-BWI Baltimore/Washington

8h 42m1 stop Seattle/Tacoma Intl

4:43 pm - 11:55 pmBWI Baltimore/Washington-BOI Boise Air Term. Gowen Fld

9h 12m1 stop Portland

$743Alaska Airlines

Useful Info

Low season	January
High season	April
Cheapest flight	$128

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

Chesapeake Beach

Edgewood

Ellicott City

Camp Springs

Pikesville

Hunt Valley

Colonial Beach

Lutherville Timonium

Capitol Heights

Westminster

Stevensville

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

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$128 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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