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.. Visit our flight page for the latest deals!>/a>

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. Visit our flight page for the latest deals!>/a>

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. Visit our flight page for the latest deals!>/a>

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. Visit our flight page for the latest deals!>/a>

$132 CHEAP FLIGHTS from Idaho to Washington, D.C.

KAYAK searches hundreds of travel sites at once for deals on flights 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, Aug 6 - Sun, Aug 9

1:25 pm - 9:59 pm

BOI

DCA

6h 34m

1 stop

7:00 am - 12:29 pm

DCA

BOI

7h 29m

1 stop

$223Frontier

Fri, Oct 30 - Tue, Nov 3

1:10 pm - 11:46 pm

JAC

IAD

8h 36m

1 stop

7:15 am - 12:12 pm

IAD

JAC

6h 57m

1 stop

$241Delta

Sat, Sep 19 - Tue, Sep 22

12:10 pm - 11:00 pm

BOI

DCA

8h 50m

1 stop

7:29 am - 1:12 pm

DCA

BOI

7h 43m

1 stop

$263American Airlines

Tue, Sep 22 - Tue, Sep 29

12:10 pm - 10:47 pm

BOI

IAD

8h 37m

1 stop

6:58 am - 4:50 pm

IAD

BOI

11h 52m

2 stops

$268American Airlines

Wed, Nov 4 - Sat, Nov 7

6:33 am - 4:14 pm

BOI

IAD

7h 41m

1 stop

5:14 pm - 11:51 pm

IAD

BOI

8h 37m

1 stop

$303Alaska Airlines

Fri, Oct 30 - Tue, Nov 3

2:40 pm - 11:13 pm

JAC

IAD

6h 33m

1 stop

2:25 pm - 9:02 pm

IAD

JAC

8h 37m

1 stop

$318United Airlines

Tue, Sep 29 - Wed, Sep 30

5:21 pm - 6:28 am

GEG

BWI

10h 07m

1 stop

4:43 pm - 11:14 pm

BWI

GEG

9h 31m

1 stop

$323Alaska Airlines

Tue, Aug 11 - Tue, Aug 18

3:30 pm - 6:35 am

BOI

BWI

13h 05m

1 stop

3:30 pm - 11:10 pm

BWI

BOI

9h 40m

2 stops

$356Southwest

Thu, Jul 9 - Mon, Jul 13

5:10 pm - 5:45 am

GEG

BWI

9h 35m

1 stop

10:45 am - 5:30 pm

BWI

GEG

9h 45m

2 stops

$383Southwest

Fri, Jun 5 - Mon, Jun 8

4:23 pm - 12:45 am

JAC

IAD

6h 22m

1 stop

12:35 pm - 9:00 pm

IAD

JAC

10h 25m

1 stop

$496United Airlines

Useful Info

Low season	January
High season	April
Cheapest flight	$132

Best time to beat the crowds with an average 27% drop in price.

Most popular time to fly with an average 1% 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

Ellicott City

Edgewood

Colonial Beach

Pikesville

Camp Springs

Hunt Valley

Lutherville Timonium

Chesapeake Beach

Westminster

Stevensville

Hyattsville

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

Cabin class

Complete your trip

Direct Flights

Flights to other cities

Origins

Other airports

Return flight deals

Cabin class types available on flights to Idaho

First Class flights to Washington, D.C.

Business Class flights to Washington, D.C.

Premium Economy Class flights to Washington, D.C.

Economy Class flights to Washington, D.C.

$132 Find Cheap Flights from Idaho to Washington, D.C.

KAYAK searches hundreds of travel sites at once for deals on flights to Washington, D.C.

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.

Good to know

FAQs for booking flights from Idaho to Washington, D.C.

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.

Traveling to a place near Washington, D.C.?

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

Cabin class types available on flights to Idaho

Complete your trip to Washington, D.C. with a hotel stay or car rental

Find direct flights for Washington, D.C.

Flights to other popular destinations

Flights from domestic origins to Washington, D.C.

Choose which airport to fly into in Washington, D.C.

Find deals for your return flight