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>

$92 CHEAP FLIGHTS from Idaho to Washington, D.C.

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

...and more

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Cheapest round-trip

$158

Overall average: $380

Frontier

Thu 2/26Wed 3/4

BOI - DCA • 1 stop

Cheapest non-stop

$473

United Airlines

Sat 3/28Sat 4/4

JAC - IAD • Non-stop

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KAYAK searches 100s of sites at once to find you the best travel deals.

We hope you love your trip to Washington, D.C.!

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

Direct

Recent round-trip flight deals from Idaho to Washington, D.C.

Thu, Feb 26 - Wed, Mar 4

12:38 pm - 9:59 pm

BOI

DCA

7h 21m

1 stop

8:00 am - 11:51 am

DCA

BOI

29h 51m

1 stop

$158Frontier

Thu, Feb 19 - Mon, Feb 23

1:08 pm - 10:53 pm

JAC

IAD

7h 45m

1 stop

6:00 am - 2:26 pm

IAD

JAC

10h 26m

1 stop

$205American Airlines

Sat, Mar 7 - Sat, Mar 14

1:51 pm - 11:10 pm

BOI

IAD

7h 19m

1 stop

7:00 am - 4:00 pm

IAD

BOI

11h 00m

1 stop

$237Delta

Wed, Mar 25 - Wed, Apr 1

10:40 pm - 9:10 am

GEG

IAD

7h 30m

1 stop

7:00 am - 1:00 pm

IAD

GEG

9h 00m

1 stop

$237Delta

Wed, Mar 4 - Wed, Mar 11

2:40 pm - 11:25 pm

BOI

BWI

6h 45m

1 stop

8:31 am - 4:49 pm

BWI

BOI

10h 18m

1 stop

$237United Airlines

Sat, Apr 25 - Tue, Apr 28

3:23 pm - 11:43 pm

BOI

DCA

6h 20m

1 stop

4:39 pm - 12:17 am

DCA

BOI

9h 38m

1 stop

$237Delta

Tue, Mar 3 - Tue, Mar 10

11:54 am - 9:59 pm

BOI

DCA

8h 05m

1 stop

5:06 pm - 11:59 pm

DCA

BOI

8h 53m

1 stop

$247Alaska Airlines

Tue, Mar 3 - Tue, Mar 10

2:40 pm - 11:25 pm

BOI

BWI

6h 45m

1 stop

8:31 am - 4:49 pm

BWI

BOI

10h 18m

1 stop

$257United Airlines

Tue, Mar 3 - Tue, Mar 10

2:40 pm - 11:25 pm

BOI

BWI

6h 45m

1 stop

6:13 am - 4:49 pm

BWI

BOI

12h 36m

2 stops

$262United Airlines

Tue, Mar 10 - Sat, Mar 14

6:00 pm - 5:46 pm

BOI

BWI

21h 46m

1 stop

6:46 pm - 9:40 am

BWI

BOI

16h 54m

1 stop

$297Alaska Airlines

Useful Info

Low season	January
High season	June
Cheapest flight	$92

Best time to beat the crowds but there is an average 69% increase in price.

Most popular time to fly and prices are also 16% 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

Ellicott City

Edgewood

Colonial Beach

Pikesville

Lutherville Timonium

Hunt Valley

Camp Springs

Westminster

Stevensville

Hyattsville

Chesapeake Beach

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.

$92 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.

Everything you should know

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.

Recent direct 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