What airlines fly to District of Columbia?

Delta, United Airlines and Southwest are the top three most popular airlines that fly to District of Columbia from Idaho according to our data. Delta is the first choice among our users, with 36% of people opting to fly with this airline when traveling to District of Columbia. Keep in mind that there are 5 different airlines that fly to District of Columbia on a routine basis, so you have a few additional options to choose from.

How long is the flight from Idaho to District of Columbia?

On average, it takes 6h 19m to fly from Idaho to District of Columbia if you fly out of Hailey (the most popular airport in Idaho) and into Washington, D.C. Dulles Intl Airport (the most popular airport in District of Columbia). If you’re flying out of Boise and into Washington, D.C. Dulles Intl Airport, then the flight time is around 6h 21m.

What is the cheapest airline that flies from Idaho to District of Columbia?

Delta, United Airlines, and American Airlines are the most popular carriers operating from Idaho to District of Columbia

When did momondo last update prices for flights from Idaho to District of Columbia?

Prices for flights from Idaho to District of Columbia are updated daily.

How many operators does momondo search for flights from Idaho to District of Columbia?

The number of operators available for flights from Idaho to District of Columbia is 5 as of September 2026.

How old do you have to be to fly from Idaho to District of Columbia?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Idaho to District of Columbia.

What documentation or ID do you need to fly to District of Columbia?

The required travel and health documents for your District of Columbia trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at District of Columbia. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$122 Cheap Flights from Idaho to District of Columbia in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Idaho to District of Columbia

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

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

$298Frontier

Fri, Oct 9 - Sun, Oct 11

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

7:02 am - 3:23 pmIAD Washington, D.C. Dulles Intl-BOI Boise Air Term. Gowen Fld

10h 21m1 stop Seattle/Tacoma Intl

$299Multiple Airlines

Mon, Oct 19 - Tue, Oct 27

1:41 pm - 11:46 pmBOI Boise Air Term. Gowen Fld-DCA Washington, D.C. Reagan-National

8h 05m1 stop Atlanta Hartsfield-Jackson

7:59 am - 1:39 pmDCA Washington, D.C. Reagan-National-BOI Boise Air Term. Gowen Fld

7h 40m1 stop Atlanta Hartsfield-Jackson

$315Delta

Mon, Nov 9 - Mon, Nov 16

1:41 pm - 11:46 pmBOI Boise Air Term. Gowen Fld-DCA Washington, D.C. Reagan-National

8h 05m1 stop Atlanta Hartsfield-Jackson

7:45 am - 12:33 pmDCA Washington, D.C. Reagan-National-BOI Boise Air Term. Gowen Fld

6h 48m1 stop Minneapolis St Paul

$315Delta

Tue, Nov 10 - Tue, Nov 17

12:31 pm - 9:14 pmBOI Boise Air Term. Gowen Fld-DCA Washington, D.C. Reagan-National

6h 43m1 stop Chicago O'Hare Intl

7:45 am - 4:42 pmDCA Washington, D.C. Reagan-National-BOI Boise Air Term. Gowen Fld

10h 57m1 stop San Francisco

$315United Airlines

Thu, Oct 29 - Wed, Nov 4

7:10 pm - 5:35 amBOI Boise Air Term. Gowen Fld-IAD Washington, D.C. Dulles Intl

8h 25m1 stop San Francisco

5:20 pm - 10:59 pmIAD Washington, D.C. Dulles Intl-BOI Boise Air Term. Gowen Fld

7h 39m1 stop Denver Intl

$315United Airlines

Thu, Oct 29 - Tue, Nov 3

1:24 pm - 11:55 pmBOI Boise Air Term. Gowen Fld-DCA Washington, D.C. Reagan-National

8h 31m1 stop Chicago O'Hare Intl

6:00 am - 12:37 pmDCA Washington, D.C. Reagan-National-BOI Boise Air Term. Gowen Fld

8h 37m1 stop Chicago O'Hare Intl

$315American Airlines

Tue, Nov 10 - Mon, Nov 16

1:24 pm - 11:55 pmBOI Boise Air Term. Gowen Fld-DCA Washington, D.C. Reagan-National

8h 31m1 stop Chicago O'Hare Intl

6:00 am - 12:42 pmDCA Washington, D.C. Reagan-National-BOI Boise Air Term. Gowen Fld

8h 42m1 stop Chicago O'Hare Intl

$315American Airlines

Tue, Dec 8 - Sat, Dec 12

6:31 pm - 8:00 pmBOI Boise Air Term. Gowen Fld-DCA Washington, D.C. Reagan-National

23h 29m1 stop Los Angeles

5:05 pm - 11:44 pmDCA Washington, D.C. Reagan-National-BOI Boise Air Term. Gowen Fld

8h 39m1 stop Portland

$315Alaska Airlines

Mon, Feb 1 - Tue, Feb 9

6:43 am - 4:25 pmBOI Boise Air Term. Gowen Fld-DCA Washington, D.C. Reagan-National

7h 42m1 stop Seattle/Tacoma Intl

5:00 pm - 11:59 pmDCA Washington, D.C. Reagan-National-BOI Boise Air Term. Gowen Fld

8h 59m1 stop Seattle/Tacoma Intl

$315Alaska Airlines

Sat, Oct 24 - Wed, Oct 28

Cheap last minute flights

Enter your travel dates to find the best prices.

12:58 pm - 11:59 pmBOI Boise Air Term. Gowen Fld-IAD Washington, D.C. Dulles Intl

9h 01m1 stop Seattle/Tacoma Intl

7:24 pm - 1:47 pmIAD Washington, D.C. Dulles Intl-BOI Boise Air Term. Gowen Fld

20h 23m1 stop San Diego

$349Alaska Airlines

Sat, Oct 3 - Tue, Oct 20

5:30 am - 1:31 pmBOI Boise Air Term. Gowen Fld-IAD Washington, D.C. Dulles Intl

6h 01m1 stop Minneapolis St Paul

7:05 am - 3:20 pmIAD Washington, D.C. Dulles Intl-BOI Boise Air Term. Gowen Fld

10h 15m1 stop Seattle/Tacoma Intl

$349Delta

Sat, Oct 3 - Tue, Oct 20

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

9h 06m1 stop Seattle/Tacoma Intl

6:13 am - 10:42 amIAD Washington, D.C. Dulles Intl-BOI Boise Air Term. Gowen Fld

6h 29m1 stop Salt Lake City

$353Delta

Sat, Oct 3 - Tue, Oct 20

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

$381Frontier

Fri, Oct 2 - Sun, Oct 4

3:21 pm - 11:59 pmBOI Boise Air Term. Gowen Fld-DCA Washington, D.C. Reagan-National

6h 38m1 stop Chicago O'Hare Intl

8:40 am - 2:31 pmDCA Washington, D.C. Reagan-National-BOI Boise Air Term. Gowen Fld

7h 51m1 stop Chicago O'Hare Intl

$383American Airlines

Fri, Oct 2 - Sun, Oct 4

3:21 pm - 11:59 pmBOI Boise Air Term. Gowen Fld-DCA Washington, D.C. Reagan-National

6h 38m1 stop Chicago O'Hare Intl

2:59 pm - 10:29 pmDCA Washington, D.C. Reagan-National-BOI Boise Air Term. Gowen Fld

9h 30m1 stop Dallas/Fort Worth

$383American Airlines

Fri, Oct 2 - Mon, Oct 5

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

11h 20m1 stop Seattle/Tacoma Intl

7:24 pm - 1:47 pmIAD Washington, D.C. Dulles Intl-BOI Boise Air Term. Gowen Fld

20h 23m1 stop San Diego

$391Alaska Airlines

Fri, Oct 2 - Mon, Oct 5

7:00 am - 5:35 pmSUN Hailey Sun Valley-Friedman-IAD Washington, D.C. Dulles Intl

8h 35m1 stop Denver Intl

2:43 pm - 9:15 pmIAD Washington, D.C. Dulles Intl-SUN Hailey Sun Valley-Friedman

8h 32m1 stop Denver Intl

$659United Airlines

Wed, Sep 30 - Sat, Oct 3

10:30 am - 10:52 pmBOI Boise Air Term. Gowen Fld-DCA Washington, D.C. Reagan-National

10h 22m2 stops Denver Intl Chicago O'Hare Intl

6:30 am - 11:28 amDCA Washington, D.C. Reagan-National-BOI Boise Air Term. Gowen Fld

6h 58m1 stop Chicago O'Hare Intl

$871United Airlines

Fri, Oct 2 - Sun, Oct 4

5:40 am - 5:20 pmBOI Boise Air Term. Gowen Fld-DCA Washington, D.C. Reagan-National

9h 40m2 stops Phoenix Sky Harbor Intl Dallas Love Field

4:00 pm - 11:55 pmDCA Washington, D.C. Reagan-National-BOI Boise Air Term. Gowen Fld

9h 55m2 stops Omaha Eppley Airfield San Diego

$1,004Southwest

Fri, Oct 2 - Sun, Oct 4

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Frontier flights from Idaho to District of Columbia

Our best Frontier deals on Idaho to District of Columbia flight tickets

Frontier

Oct 9

BOI2:50 pmBoise Air Term. Gowen Fld

13h 30m

1 stop

IAD6:20 amWashington, D.C. Dulles Intl

Oct 11

IAD6:00 amWashington, D.C. Dulles Intl

9h 55m

1 stop

BOI1:55 pmBoise Air Term. Gowen Fld

$298

Frontier

Oct 9

BOI2:50 pmBoise Air Term. Gowen Fld

13h 30m

1 stop

IAD6:20 amWashington, D.C. Dulles Intl

Oct 11

IAD6:00 amWashington, D.C. Dulles Intl

9h 55m

1 stop

BOI1:55 pmBoise Air Term. Gowen Fld

$331

Frontier

Oct 8

BOI2:50 pmBoise Air Term. Gowen Fld

13h 30m

1 stop

IAD6:20 amWashington, D.C. Dulles Intl

Oct 11

IAD6:00 amWashington, D.C. Dulles Intl

9h 55m

1 stop

BOI1:55 pmBoise Air Term. Gowen Fld

$380

Delta flights from Idaho to District of Columbia

Our best Delta deals on Idaho to District of Columbia flight tickets

Delta

Nov 9

BOI11:10 pmBoise Air Term. Gowen Fld

7h 59m

1 stop

IAD9:09 amWashington, D.C. Dulles Intl

Nov 17

IAD6:58 pmWashington, D.C. Dulles Intl

7h 01m

1 stop

BOI11:59 pmBoise Air Term. Gowen Fld

$315

Delta

Dec 30

BOI11:53 amBoise Air Term. Gowen Fld

10h 00m

1 stop

IAD11:53 pmWashington, D.C. Dulles Intl

Jan 4

IAD7:05 amWashington, D.C. Dulles Intl

9h 17m

1 stop

BOI2:22 pmBoise Air Term. Gowen Fld

$319

Delta

Feb 1

BOI1:15 pmBoise Air Term. Gowen Fld

8h 31m

1 stop

IAD11:46 pmWashington, D.C. Dulles Intl

Feb 9

IAD7:05 amWashington, D.C. Dulles Intl

10h 55m

1 stop

BOI4:00 pmBoise Air Term. Gowen Fld

$323

momondo Fare Finder

Use the filters below to find and compare flights from Idaho to District of Columbia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BoiseWashington, D.C.

BOI Boise Air Term. Gowen Fld - IAD Washington, D.C. Dulles Intl

BOIIAD

Boise Air Term. Gowen Fld

Fri 10/9

2:50 pm-6:20 am

1 stop13h 30m

Washington, D.C. Dulles Intl

Sun 10/11

6:00 am-1:55 pm

1 stop9h 55m

$298

BoiseWashington, D.C.

BOI Boise Air Term. Gowen Fld - IAD Washington, D.C. Dulles Intl

BOIIAD

Boise Air Term. Gowen Fld

Mon 10/19

2:50 pm-6:20 am

1 stop13h 30m

Washington, D.C. Dulles Intl

Tue 10/27

7:02 am-3:23 pm

1 stop10h 21m

$299

BoiseWashington, D.C.

BOI Boise Air Term. Gowen Fld - DCA Washington, D.C. Reagan-National

BOIDCA

Boise Air Term. Gowen Fld

Mon 11/9

1:41 pm-11:46 pm

1 stop8h 05m

Washington, D.C. Reagan-National

Mon 11/16

7:59 am-1:39 pm

1 stop7h 40m

$315

Quickest round-trip

BoiseWashington, D.C.

BOI Boise Air Term. Gowen Fld - DCA Washington, D.C. Reagan-National

BOIDCA

Boise Air Term. Gowen Fld

Tue 11/10

1:41 pm-11:46 pm

1 stop8h 05m

Washington, D.C. Reagan-National

Tue 11/17

7:45 am-12:33 pm

1 stop6h 48m

$315

BoiseWashington, D.C.

BOI Boise Air Term. Gowen Fld - DCA Washington, D.C. Reagan-National

BOIDCA

Boise Air Term. Gowen Fld

Thu 10/29

12:31 pm-9:14 pm

1 stop6h 43m

Washington, D.C. Reagan-National

Wed 11/4

7:45 am-4:42 pm

1 stop10h 57m

$315

BoiseWashington, D.C.

BOI Boise Air Term. Gowen Fld - IAD Washington, D.C. Dulles Intl

BOIIAD

Boise Air Term. Gowen Fld

Thu 10/29

7:10 pm-5:35 am

1 stop8h 25m

Washington, D.C. Dulles Intl

Tue 11/3

5:20 pm-10:59 pm

1 stop7h 39m

$315

BoiseWashington, D.C.

BOI Boise Air Term. Gowen Fld - DCA Washington, D.C. Reagan-National

BOIDCA

Boise Air Term. Gowen Fld

Tue 11/10

1:24 pm-11:55 pm

1 stop8h 31m

Washington, D.C. Reagan-National

Mon 11/16

6:00 am-12:37 pm

1 stop8h 37m

$315

BoiseWashington, D.C.

BOI Boise Air Term. Gowen Fld - DCA Washington, D.C. Reagan-National

BOIDCA

Boise Air Term. Gowen Fld

Tue 12/8

1:24 pm-11:55 pm

1 stop8h 31m

Washington, D.C. Reagan-National

Sat 12/12

6:00 am-12:42 pm

1 stop8h 42m

$315

BoiseWashington, D.C.

BOI Boise Air Term. Gowen Fld - DCA Washington, D.C. Reagan-National

BOIDCA

Boise Air Term. Gowen Fld

Mon 2/1

6:31 pm-8:00 pm

1 stop23h 29m

Washington, D.C. Reagan-National

Tue 2/9

5:05 pm-11:44 pm

1 stop8h 39m

$315

BoiseWashington, D.C.

BOI Boise Air Term. Gowen Fld - DCA Washington, D.C. Reagan-National

BOIDCA

Boise Air Term. Gowen Fld

Sat 10/24

6:43 am-4:25 pm

1 stop7h 42m

Washington, D.C. Reagan-National

Wed 10/28

5:00 pm-11:59 pm

1 stop8h 59m

$315

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Idaho to District of Columbia

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to District of Columbia?

In general, October is the cheapest month to fly from Idaho to District of Columbia. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $398. If you don’t want to visit District of Columbia in October, then you should wait until February to fly from Idaho, when ticket prices are also cheap, with an average price of $401.

Can stopping save me money on Idaho to District of Columbia flights?

You could potentially save up to 68% on your flight if you consider stops on a Idaho to District of Columbia flight.

Cheap Idaho to District of Columbia flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Idaho to District of Columbia

Best Price Found	$122
Fastest flight time	4h 15m
Direct flights	None

The best one-way flight to District of Columbia from Idaho in the past 72 hours is $122. The best round-trip flight deal from Idaho to District of Columbia found on momondo in the last 72 hours is $298.

The fastest flight from Idaho to District of Columbia takes 4h 15m

There are no direct flights from Idaho to District of Columbia. There are no popular flight routes from Idaho to District of Columbia.

Search flight deals

Frequently asked questions about flying from Idaho to District of Columbia

When did momondo last update prices for flights from Idaho to District of Columbia?
Prices for flights from Idaho to District of Columbia are updated daily.
How many operators does momondo search for flights from Idaho to District of Columbia?
The number of operators available for flights from Idaho to District of Columbia is 5 as of September 2026.
How old do you have to be to fly from Idaho to District of Columbia?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Idaho to District of Columbia.
What documentation or ID do you need to fly to District of Columbia?
The required travel and health documents for your District of Columbia trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at District of Columbia. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Idaho to District of Columbia

Compare and see reviews for airlines that fly from Idaho to District of Columbia with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $176	Free Cancellation	Rating 7.8 8,606 reviews	Search Delta flights
Alaska Airlines	PriceFrom $245	Free Cancellation	Rating 7.9 12,981 reviews	Search Alaska Airlines flights
United Airlines	PriceFrom $262	Free Cancellation	Rating 7.4 10,247 reviews	Search United Airlines flights
American Airlines	PriceFrom $294	Free Cancellation	Rating 7.0 12,098 reviews	Search American Airlines flights
Southwest	PriceFrom $340	Free Cancellation	Rating 8.0 4,200 reviews	Search Southwest flights

Why use momondo?

Why should I use momondo to find a flight deal from Idaho to District of Columbia?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Idaho to District of Columbia. momondo saves you time and could save you money on your trip.

Can I find flights from Idaho to District of Columbia with flexible booking policies on momondo?

All flight searches from Idaho to District of Columbia on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Idaho to District of Columbia?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to District of Columbia from Idaho.

I’m not ready to book a flight from Idaho to District of Columbia right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to District of Columbia from Idaho. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.