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>

$125 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

Travelers love KAYAK

41,299,237 searches in the past 7 days on KAYAK

Save 24% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Bundle and saveSave money when you bundle your flight + hotel.

Filter your dealsChoose cabin class, free Wi-Fi and more.

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

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

Tue, Jul 7 - Sun, Jul 12

1:25 pm - 12:51 pm

BOI

DCA

21h 26m

1 stop

7:00 am - 12:29 pm

DCA

BOI

7h 29m

1 stop

$230Frontier

Thu, May 28 - Tue, Jun 2

1:25 pm - 4:59 pm

BOI

DCA

25h 34m

1 stop

7:00 am - 12:30 pm

DCA

BOI

7h 30m

1 stop

$250Frontier

Wed, May 20 - Sat, Jun 6

7:45 am - 6:40 pm

JAC

DCA

8h 55m

2 stops

1:39 pm - 8:08 pm

DCA

JAC

8h 29m

1 stop

$256Delta

Sat, Sep 19 - Tue, Sep 22

1:15 pm - 11:51 pm

BOI

IAD

8h 36m

1 stop

6:15 am - 2:03 pm

IAD

BOI

9h 48m

1 stop

$263Delta

Sat, Sep 19 - Tue, Sep 22

1:18 pm - 11:59 pm

BOI

DCA

8h 41m

1 stop

7:44 am - 12:31 pm

DCA

BOI

6h 47m

1 stop

$263American Airlines

Tue, Sep 22 - Tue, Sep 29

1:18 pm - 11:51 pm

BOI

IAD

8h 33m

2 stops

6:24 am - 2:02 pm

IAD

BOI

9h 38m

1 stop

$275American Airlines

Wed, May 27 - Sat, May 30

12:46 pm - 11:59 pm

GEG

IAD

8h 13m

1 stop

6:00 am - 1:04 pm

IAD

GEG

10h 04m

1 stop

$275Alaska Airlines

Wed, May 27 - Sun, May 31

8:38 pm - 7:34 am

GEG

IAD

7h 56m

1 stop

6:00 am - 11:42 am

IAD

GEG

8h 42m

1 stop

$305Alaska Airlines

Thu, May 21 - Sun, May 24

1:41 pm - 12:45 am

GEG

IAD

8h 04m

1 stop

10:13 am - 3:12 pm

IAD

GEG

7h 59m

1 stop

$318United Airlines

Fri, May 22 - Tue, May 26

4:10 pm - 12:45 am

IDA

IAD

6h 35m

1 stop

6:30 am - 1:25 pm

IAD

IDA

8h 55m

1 stop

$349United Airlines

Useful Info

Low season	January
High season	April
Cheapest flight	$125

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

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

Greenbelt

Glen Burnie

Edgewood

Ellicott City

Colonial Beach

Pikesville

Camp Springs

Hunt Valley

Lutherville Timonium

Westminster

Chesapeake Beach

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.

$125 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