How does KAYAK find such low prices on flights from Idaho to Washington Dulles Airport?

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 Dulles Airport.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Idaho to Washington Dulles Airport?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Washington Dulles Airport 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 Dulles Airport?

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 Dulles Airport 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 Dulles Airport?

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 Dulles Airport 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 Dulles (IAD)

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Cheap Flights from Idaho to Dulles Intl

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 Dulles Intl

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

Sat, Sep 19 - Sat, Sep 26

8:55 am - 8:01 pmBOI Boise Air Term. Gowen Fld-IAD Washington, D.C. Dulles Intl

9h 06m1 stop Seattle/Tacoma Intl

7:25 am - 3:16 pmIAD Washington, D.C. Dulles Intl-BOI Boise Air Term. Gowen Fld

9h 51m1 stop Seattle/Tacoma Intl

$201Delta

Thu, Nov 12 - Sat, Nov 14

11:35 pm - 9:11 amBOI Boise Air Term. Gowen Fld-IAD Washington, D.C. Dulles Intl

7h 36m1 stop Atlanta Hartsfield-Jackson

2:30 pm - 8:21 pmIAD Washington, D.C. Dulles Intl-BOI Boise Air Term. Gowen Fld

7h 51m1 stop Minneapolis St Paul

$201Delta

Wed, Nov 11 - Sat, Nov 14

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

6h 20m1 stop Minneapolis St Paul

2:30 pm - 8:21 pmIAD Washington, D.C. Dulles Intl-BOI Boise Air Term. Gowen Fld

7h 51m1 stop Minneapolis St Paul

$201Delta

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

Tue, Sep 22 - Mon, Sep 28

2:16 pm - 11:59 pmBOI Boise Air Term. Gowen Fld-IAD Washington, D.C. Dulles Intl

7h 43m1 stop Seattle/Tacoma 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

$232Multiple Airlines

Thu, Sep 3 - Sat, Sep 12

11:52 am - 10:19 pmBOI Boise Air Term. Gowen Fld-IAD Washington, D.C. Dulles Intl

8h 27m1 stop San Francisco

5:26 pm - 10:40 pmIAD Washington, D.C. Dulles Intl-BOI Boise Air Term. Gowen Fld

7h 14m1 stop Denver Intl

$237United Airlines

Tue, Sep 22 - Tue, Sep 29

4:20 pm - 5:40 amBOI Boise Air Term. Gowen Fld-IAD Washington, D.C. Dulles Intl

11h 20m1 stop Seattle/Tacoma Intl

7:00 am - 2:22 pmIAD Washington, D.C. Dulles Intl-BOI Boise Air Term. Gowen Fld

9h 22m1 stop Seattle/Tacoma Intl

$311Alaska Airlines

Wed, Sep 9 - Sat, Sep 12

1:36 pm - 11:59 pmGEG Spokane-IAD Washington, D.C. Dulles Intl

7h 23m1 stop Seattle/Tacoma Intl

7:00 am - 12:39 pmIAD Washington, D.C. Dulles Intl-GEG Spokane

8h 39m1 stop Seattle/Tacoma Intl

$324Alaska Airlines

Recent last minute flight deals from Idaho to Dulles Intl

Sat, Aug 15 - Sat, Aug 22

11:09 am - 11:59 pmGEG Spokane-IAD Washington, D.C. Dulles Intl

9h 50m1 stop Seattle/Tacoma Intl

7:00 am - 12:12 pmIAD Washington, D.C. Dulles Intl-GEG Spokane

8h 12m1 stop Salt Lake City

$476Delta

Sat, Aug 15 - Sat, Aug 22

5:40 am - 10:55 pmGEG Spokane-IAD Washington, D.C. Dulles Intl

14h 15m2 stops Dallas/Fort Worth Charlotte Douglas

2:53 pm - 8:42 pmIAD Washington, D.C. Dulles Intl-GEG Spokane

8h 49m1 stop Dallas/Fort Worth

$481American Airlines

Sat, Aug 15 - Thu, Sep 17

2:05 pm - 11:21 pmGEG Spokane-IAD Washington, D.C. Dulles Intl

6h 16m1 stop Minneapolis St Paul

7:25 am - 12:20 pmIAD Washington, D.C. Dulles Intl-GEG Spokane

7h 55m1 stop Seattle/Tacoma Intl

$553Delta

Fri, Aug 14 - Sun, Aug 16

5:40 am - 6:27 pmGEG Spokane-IAD Washington, D.C. Dulles Intl

9h 47m1 stop Dallas/Fort Worth

6:09 am - 11:54 amIAD Washington, D.C. Dulles Intl-GEG Spokane

8h 45m1 stop Dallas/Fort Worth

$564American Airlines

Fri, Aug 14 - Sun, Aug 16

5:20 am - 8:56 pmGEG Spokane-IAD Washington, D.C. Dulles Intl

12h 36m2 stops Phoenix Sky Harbor Intl Charlotte Douglas

6:09 am - 11:54 amIAD Washington, D.C. Dulles Intl-GEG Spokane

8h 45m1 stop Dallas/Fort Worth

$569American Airlines

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

Sat, Aug 15 - Wed, Aug 19

12:24 pm - 12:44 amBOI Boise Air Term. Gowen Fld-IAD Washington, D.C. Dulles Intl

10h 20m1 stop Chicago O'Hare Intl

6:15 am - 11:28 amIAD Washington, D.C. Dulles Intl-BOI Boise Air Term. Gowen Fld

7h 13m1 stop Chicago O'Hare Intl

$761United Airlines

Mon, Aug 17 - Fri, Aug 21

11:42 am - 11:59 pmBOI Boise Air Term. Gowen Fld-IAD Washington, D.C. Dulles Intl

10h 17m1 stop Seattle/Tacoma Intl

7:35 pm - 2:02 pmIAD Washington, D.C. Dulles Intl-BOI Boise Air Term. Gowen Fld

20h 27m1 stop San Diego

$785Alaska Airlines

Sun, Aug 16 - Fri, Aug 21

8:00 pm - 6:45 pmBOI Boise Air Term. Gowen Fld-IAD Washington, D.C. Dulles Intl

20h 45m1 stop San Diego

7:35 pm - 2:02 pmIAD Washington, D.C. Dulles Intl-BOI Boise Air Term. Gowen Fld

20h 27m1 stop San Diego

$785Alaska Airlines

Sun, Aug 16 - Mon, Aug 24

12:23 pm - 11:59 pmBOI Boise Air Term. Gowen Fld-IAD Washington, D.C. Dulles Intl

9h 36m1 stop Seattle/Tacoma Intl

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

8h 49m1 stop Atlanta Hartsfield-Jackson

$785Delta

Useful Info

Low season	January
High season	October
Cheapest flight	$82

Best time to beat the crowds with an average 6% drop in price.

Most popular time to fly and prices are also 14% lower on average.

Flight from Boise to Washington Dulles Airport

How does KAYAK find such low prices on flights from Idaho to Washington Dulles Airport?
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 Dulles Airport.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Idaho to Washington Dulles Airport?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Washington Dulles Airport 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 Dulles Airport?
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 Dulles Airport 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 Dulles Airport?
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 Dulles Airport from Idaho up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

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Linthicum Heights

Hanover

Springfield

Gaithersburg

Towson

Martinsburg

Oxon Hill

Owings Mills

Charles Town

Greenbelt

Glen Burnie

Edgewood

Chesapeake Beach

Ellicott City

Camp Springs

Pikesville

Colonial Beach

Hunt Valley

Lutherville Timonium

Everything you need to know for your flight to Dulles Intl

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Washington Dulles Airport (IAD)

IAD

$82 Find Cheap Flights from Idaho to Washington Dulles Airport - Compare and Save

Cheap Flights from Idaho to Dulles Intl

Recent round-trip flight deals from Idaho to Dulles Intl

Recent one-way flight deals from Idaho to Dulles Intl

Recent last minute flight deals from Idaho to Dulles Intl

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Everything you need to know for your flight to Dulles Intl

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Complete your trip to Dulles Intl with a hotel stay or car rental

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