What airlines fly to District of Columbia?

Delta, United Airlines and American Airlines 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 38% 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.

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

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

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

On average, it takes 6h 27m to fly from Idaho to District of Columbia if you fly out of Boise (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 Hailey and into Washington, D.C. Dulles Intl Airport, then the flight time is around 6h 30m.

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 November 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.

$177 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.

1:35 pm - 11:00 pmBOI Boise Air Term. Gowen Fld-DCA Washington, D.C. Reagan-National

7h 25m1 stop Dallas/Fort Worth

1:45 pm - 8:06 pmDCA Washington, D.C. Reagan-National-BOI Boise Air Term. Gowen Fld

8h 21m1 stop Dallas/Fort Worth

$353American Airlines

Sat, Jan 23 - Sat, Jan 30

1:35 pm - 10:48 pmBOI Boise Air Term. Gowen Fld-DCA Washington, D.C. Reagan-National

7h 13m1 stop Dallas/Fort Worth

5:00 am - 12:44 pmDCA Washington, D.C. Reagan-National-BOI Boise Air Term. Gowen Fld

9h 44m1 stop Dallas/Fort Worth

$353American Airlines

Mon, Feb 1 - Tue, Feb 9

5:30 am - 2:00 pmBOI Boise Air Term. Gowen Fld-DCA Washington, D.C. Reagan-National

6h 30m1 stop Minneapolis St Paul

4:40 pm - 11:52 pmDCA Washington, D.C. Reagan-National-BOI Boise Air Term. Gowen Fld

9h 12m1 stop Seattle/Tacoma Intl

$353Delta

Tue, Jan 19 - Thu, Feb 11

5:30 am - 2:05 pmBOI Boise Air Term. Gowen Fld-DCA Washington, D.C. Reagan-National

6h 35m1 stop Minneapolis St Paul

7:19 am - 2:13 pmDCA Washington, D.C. Reagan-National-BOI Boise Air Term. Gowen Fld

8h 54m1 stop Minneapolis St Paul

$353Delta

Sat, Jan 23 - Sat, Feb 13

8:00 am - 5:17 pmBOI Boise Air Term. Gowen Fld-DCA Washington, D.C. Reagan-National

7h 17m1 stop Chicago O'Hare Intl

6:25 am - 12:07 pmDCA Washington, D.C. Reagan-National-BOI Boise Air Term. Gowen Fld

7h 42m1 stop Chicago O'Hare Intl

$353United Airlines

Wed, Dec 9 - Wed, Dec 16

8:00 am - 5:32 pmBOI Boise Air Term. Gowen Fld-IAD Washington, D.C. Dulles Intl

7h 32m1 stop Chicago O'Hare Intl

8:15 am - 2:50 pmIAD Washington, D.C. Dulles Intl-BOI Boise Air Term. Gowen Fld

8h 35m1 stop San Francisco

$353United Airlines

Tue, Dec 8 - Tue, Dec 15

5:46 am - 4:00 pmBOI Boise Air Term. Gowen Fld-DCA Washington, D.C. Reagan-National

8h 14m1 stop Portland

8:00 am - 4:23 pmDCA Washington, D.C. Reagan-National-BOI Boise Air Term. Gowen Fld

10h 23m1 stop Seattle/Tacoma Intl

$353Alaska Airlines

Sat, Jan 23 - Tue, Feb 9

9:21 am - 9:00 pmBOI Boise Air Term. Gowen Fld-DCA Washington, D.C. Reagan-National

9h 39m1 stop San Diego

5:05 pm - 11:59 pmDCA Washington, D.C. Reagan-National-BOI Boise Air Term. Gowen Fld

8h 54m1 stop Seattle/Tacoma Intl

$353Alaska Airlines

Sat, Dec 5 - Tue, Dec 8

6:20 am - 4:45 pmBOI Boise Air Term. Gowen Fld-DCA Washington, D.C. Reagan-National

8h 25m1 stop Las Vegas Harry Reid Intl

10:00 am - 6:00 pmDCA Washington, D.C. Reagan-National-BOI Boise Air Term. Gowen Fld

10h 00m2 stops Dallas Love Field Las Vegas Harry Reid Intl

$388Southwest

Wed, Dec 9 - Wed, Dec 16

6:10 am - 6:15 pmBOI Boise Air Term. Gowen Fld-DCA Washington, D.C. Reagan-National

10h 05m1 stop Las Vegas Harry Reid Intl

1:35 pm - 10:15 pmDCA Washington, D.C. Reagan-National-BOI Boise Air Term. Gowen Fld

10h 40m2 stops Nashville Intl Las Vegas Harry Reid Intl

$388Southwest

Wed, Jan 20 - Wed, Feb 10

Cheap last minute flights

Enter your travel dates to find the best prices.

1:19 pm - 11:47 pmBOI Boise Air Term. Gowen Fld-IAD Washington, D.C. Dulles Intl

8h 28m1 stop Salt Lake City

7:25 am - 12:33 pmIAD Washington, D.C. Dulles Intl-BOI Boise Air Term. Gowen Fld

7h 08m1 stop Minneapolis St Paul

$413Delta

Mon, Nov 16 - Wed, Nov 18

1:41 pm - 12:41 amBOI Boise Air Term. Gowen Fld-IAD Washington, D.C. Dulles Intl

9h 00m1 stop Atlanta Hartsfield-Jackson

7:00 am - 4:05 pmIAD Washington, D.C. Dulles Intl-BOI Boise Air Term. Gowen Fld

11h 05m1 stop Seattle/Tacoma Intl

$413Delta

Tue, Nov 17 - Sun, Nov 22

12:15 pm - 11:59 pmBOI Boise Air Term. Gowen Fld-DCA Washington, D.C. Reagan-National

9h 44m1 stop Dallas/Fort Worth

6:00 am - 12:38 pmDCA Washington, D.C. Reagan-National-BOI Boise Air Term. Gowen Fld

8h 38m1 stop Chicago O'Hare Intl

$413American Airlines

Mon, Nov 16 - Fri, Nov 20

1:24 pm - 11:59 pmBOI Boise Air Term. Gowen Fld-DCA Washington, D.C. Reagan-National

8h 35m1 stop Chicago O'Hare Intl

4:59 pm - 11:49 pmDCA Washington, D.C. Reagan-National-BOI Boise Air Term. Gowen Fld

8h 50m1 stop Dallas/Fort Worth

$446American Airlines

Thu, Nov 19 - Sat, Nov 21

1:05 pm - 10:10 pmBOI Boise Air Term. Gowen Fld-DCA Washington, D.C. Reagan-National

7h 05m2 stops Denver Intl Lambert-St Louis

12:00 pm - 8:10 pmDCA Washington, D.C. Reagan-National-BOI Boise Air Term. Gowen Fld

10h 10m2 stops Lambert-St Louis Las Vegas Harry Reid Intl

$569Southwest

Thu, Nov 19 - Sat, Nov 21

1:05 pm - 10:10 pmBOI Boise Air Term. Gowen Fld-DCA Washington, D.C. Reagan-National

7h 05m2 stops Denver Intl Lambert-St Louis

3:55 pm - 1:40 amDCA Washington, D.C. Reagan-National-BOI Boise Air Term. Gowen Fld

11h 45m1 stop Las Vegas Harry Reid Intl

$570Southwest

Thu, Nov 19 - Sat, Nov 21

12:00 pm - 9:57 pmBOI Boise Air Term. Gowen Fld-IAD Washington, D.C. Dulles Intl

7h 57m1 stop San Francisco

9:25 am - 4:42 pmIAD Washington, D.C. Dulles Intl-BOI Boise Air Term. Gowen Fld

9h 17m1 stop San Francisco

$586United Airlines

Thu, Nov 19 - Fri, Nov 27

6:04 am - 4:14 pmIDA Idaho Falls Fanning Field-IAD Washington, D.C. Dulles Intl

8h 10m1 stop Seattle/Tacoma Intl

5:17 pm - 3:18 pmIAD Washington, D.C. Dulles Intl-IDA Idaho Falls Fanning Field

24h 01m1 stop Seattle/Tacoma Intl

$648Alaska Airlines

Sun, Nov 15 - Tue, Nov 17

6:04 am - 4:14 pmIDA Idaho Falls Fanning Field-IAD Washington, D.C. Dulles Intl

8h 10m1 stop Seattle/Tacoma Intl

7:46 am - 3:18 pmIAD Washington, D.C. Dulles Intl-IDA Idaho Falls Fanning Field

9h 32m1 stop Seattle/Tacoma Intl

$677Alaska Airlines

Sun, Nov 15 - Mon, Nov 16

10:34 am - 7:30 pmBOI Boise Air Term. Gowen Fld-IAD Washington, D.C. Dulles Intl

6h 56m1 stop Denver Intl

10:35 pm - 11:31 amIAD Washington, D.C. Dulles Intl-BOI Boise Air Term. Gowen Fld

14h 56m2 stops Newark Chicago O'Hare Intl

$729United Airlines

Tue, Nov 17 - Mon, Nov 23

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United Airlines flights from Idaho to District of Columbia

Our best United Airlines deals on Idaho to District of Columbia flight tickets

United Airlines

Jan 23

BOI6:20 amBoise Air Term. Gowen Fld

6h 35m

1 stop

DCA2:55 pmWashington, D.C. Reagan-National

Jan 30

DCA6:00 amWashington, D.C. Reagan-National

14h 09m

2 stops

BOI6:09 pmBoise Air Term. Gowen Fld

$358

United Airlines

Dec 5

IDA2:40 pmIdaho Falls Fanning Field

6h 35m

1 stop

IAD11:15 pmWashington, D.C. Dulles Intl

Dec 8

IAD4:21 pmWashington, D.C. Dulles Intl

6h 38m

1 stop

IDA8:59 pmIdaho Falls Fanning Field

$409

United Airlines

Dec 24

BOI2:43 pmBoise Air Term. Gowen Fld

6h 38m

1 stop

IAD11:21 pmWashington, D.C. Dulles Intl

Dec 31

IAD6:45 amWashington, D.C. Dulles Intl

8h 53m

1 stop

BOI1:38 pmBoise Air Term. Gowen Fld

$423

Delta flights from Idaho to District of Columbia

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

Delta

Jan 18

BOI3:05 pmBoise Air Term. Gowen Fld

6h 46m

1 stop

IAD11:51 pmWashington, D.C. Dulles Intl

Feb 11

IAD7:15 amWashington, D.C. Dulles Intl

8h 18m

1 stop

BOI1:33 pmBoise Air Term. Gowen Fld

$353

Delta

Jan 21

BOI1:50 pmBoise Air Term. Gowen Fld

8h 00m

1 stop

IAD11:50 pmWashington, D.C. Dulles Intl

Jan 24

IAD7:05 amWashington, D.C. Dulles Intl

7h 12m

1 stop

BOI12:17 pmBoise Air Term. Gowen Fld

$377

Delta

Nov 22

BOI12:13 pmBoise Air Term. Gowen Fld

10h 07m

1 stop

IAD12:20 amWashington, D.C. Dulles Intl

Dec 15

IAD7:06 pmWashington, D.C. Dulles Intl

7h 04m

1 stop

BOI12:10 amBoise Air Term. Gowen Fld

$383

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 - DCA Washington, D.C. Reagan-National

BOIDCA

Boise Air Term. Gowen Fld

Sat 1/23

1:35 pm-11:00 pm

1 stop7h 25m

Washington, D.C. Reagan-National

Sat 1/30

1:45 pm-8:06 pm

1 stop8h 21m

$353

BoiseWashington, D.C.

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

BOIDCA

Boise Air Term. Gowen Fld

Mon 2/1

1:35 pm-10:48 pm

1 stop7h 13m

Washington, D.C. Reagan-National

Tue 2/9

5:00 am-12:44 pm

1 stop9h 44m

$353

BoiseWashington, D.C.

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

BOIDCA

Boise Air Term. Gowen Fld

Tue 1/19

5:30 am-2:00 pm

1 stop6h 30m

Washington, D.C. Reagan-National

Thu 2/11

4:40 pm-11:52 pm

1 stop9h 12m

$353

BoiseWashington, D.C.

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

BOIDCA

Boise Air Term. Gowen Fld

Sat 1/23

5:30 am-2:05 pm

1 stop6h 35m

Washington, D.C. Reagan-National

Sat 2/13

7:19 am-2:13 pm

1 stop8h 54m

$353

Quickest round-trip

BoiseWashington, D.C.

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

BOIDCA

Boise Air Term. Gowen Fld

Wed 12/9

8:00 am-5:17 pm

1 stop7h 17m

Washington, D.C. Reagan-National

Wed 12/16

6:25 am-12:07 pm

1 stop7h 42m

$353

BoiseWashington, D.C.

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

BOIIAD

Boise Air Term. Gowen Fld

Tue 12/8

8:00 am-5:32 pm

1 stop7h 32m

Washington, D.C. Dulles Intl

Tue 12/15

8:15 am-2:50 pm

1 stop8h 35m

$353

BoiseWashington, D.C.

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

BOIDCA

Boise Air Term. Gowen Fld

Sat 1/23

5:46 am-4:00 pm

1 stop8h 14m

Washington, D.C. Reagan-National

Tue 2/9

8:00 am-4:23 pm

1 stop10h 23m

$353

BoiseWashington, D.C.

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

BOIDCA

Boise Air Term. Gowen Fld

Sat 12/5

9:21 am-9:00 pm

1 stop9h 39m

Washington, D.C. Reagan-National

Tue 12/8

5:05 pm-11:59 pm

1 stop8h 54m

$353

BoiseWashington, D.C.

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

BOIDCA

Boise Air Term. Gowen Fld

Wed 12/9

6:20 am-4:45 pm

1 stop8h 25m

Washington, D.C. Reagan-National

Wed 12/16

10:00 am-6:00 pm

2 stops10h 00m

$388

BoiseWashington, D.C.

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

BOIDCA

Boise Air Term. Gowen Fld

Wed 1/20

6:10 am-6:15 pm

1 stop10h 05m

Washington, D.C. Reagan-National

Wed 2/10

1:35 pm-10:15 pm

2 stops10h 40m

$388

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, January 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 $355. If you don’t want to visit District of Columbia in January, then you should wait until October to fly from Idaho, when ticket prices are also cheap, with an average price of $381.

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

You could potentially save up to 66% 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	$177
Fastest flight time	5h 55m
Direct flights	None

The best one-way flight to District of Columbia from Idaho in the past 72 hours is $177. The best round-trip flight deal from Idaho to District of Columbia found on momondo in the last 72 hours is $353.

The fastest flight from Idaho to District of Columbia takes 5h 55m

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 November 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 8,722 reviews	Search Delta flights
Alaska Airlines	PriceFrom $224	Free Cancellation	Rating 7.9 13,159 reviews	Search Alaska Airlines flights
United Airlines	PriceFrom $262	Free Cancellation	Rating 7.3 10,486 reviews	Search United Airlines flights
American Airlines	PriceFrom $294	Free Cancellation	Rating 7.0 12,235 reviews	Search American Airlines flights
Southwest	PriceFrom $320	Free Cancellation	Rating 8.0 4,222 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.