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>

$80 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, May 21 - Sun, May 24

1:25 pm - 9:58 pm

BOI

DCA

6h 33m

1 stop

7:00 am - 12:30 pm

DCA

BOI

7h 30m

1 stop

$160Frontier

Sun, Apr 26 - Sat, May 2

11:44 am - 12:59 pm

GEG

DCA

22h 15m

1 stop

1:59 pm - 10:49 am

DCA

GEG

23h 50m

1 stop

$160Frontier

Thu, May 21 - Sun, May 24

1:25 pm - 9:58 pm

BOI

DCA

6h 33m

1 stop

7:00 am - 12:30 pm

DCA

BOI

7h 30m

1 stop

$185Frontier

Sun, Apr 26 - Tue, May 5

11:44 am - 12:59 pm

GEG

DCA

22h 15m

1 stop

8:59 am - 10:20 pm

DCA

GEG

16h 21m

1 stop

$246Multiple Airlines

Sat, Apr 25 - Tue, Apr 28

1:52 pm - 11:55 pm

BOI

IAD

8h 03m

1 stop

7:00 am - 1:12 pm

IAD

BOI

8h 12m

1 stop

$263Delta

Sat, Sep 19 - Tue, Sep 22

1:18 pm - 10:54 pm

BOI

DCA

7h 36m

1 stop

5:00 am - 11:26 am

DCA

BOI

8h 26m

1 stop

$263American Airlines

Sat, Apr 25 - Tue, Apr 28

1:53 pm - 11:09 pm

BOI

BWI

7h 16m

1 stop

5:39 am - 12:49 pm

BWI

BOI

9h 10m

1 stop

$263American Airlines

Wed, Apr 29 - Sat, May 2

1:52 pm - 11:55 pm

BOI

IAD

8h 03m

1 stop

7:06 am - 5:21 pm

IAD

BOI

12h 15m

2 stops

$268Delta

Sat, Apr 25 - Sat, May 2

10:45 am - 10:55 pm

GEG

IAD

9h 10m

1 stop

3:55 pm - 9:35 pm

IAD

GEG

8h 40m

1 stop

$271Southwest

Tue, Apr 28 - Wed, Apr 29

5:00 pm - 5:30 am

BOI

BWI

10h 30m

2 stops

5:05 pm - 12:25 am

BWI

BOI

9h 20m

2 stops

$273Southwest

Useful Info

Low season	January
High season	April
Cheapest flight	$80

Best time to beat the crowds with an average 26% drop in price.

Most popular time to fly and prices are also 3% lower on average.

Flight from Boise to Reagan Washington National 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

Glen Burnie

Greenbelt

Edgewood

Ellicott City

Colonial Beach

Pikesville

Camp Springs

Lutherville Timonium

Hunt Valley

Westminster

Stevensville

Chesapeake Beach

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.

$80 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