How many operators does momondo search for flights from Washington, D.C. Reagan-National Airport to Idaho?

As of March 2026, there are 4 operators available to choose from for flights from Washington, D.C. Reagan-National Airport to Idaho.

How old do you have to be to fly from Washington, D.C. Reagan-National Airport to Idaho?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. Reagan-National Airport to Idaho.

What documentation or ID do you need to fly to Idaho?

The travel and health documents required for your trip to Idaho can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Idaho. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$117 Cheap Flights from Washington, D.C. Reagan-National Airport to Idaho in 2026

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Find the cheapest flights from Washington, D.C. Reagan-National Airport to Idaho

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

4:11 pm - 9:11 pm

DCA

GEG

8h 00m

1 stop

7:10 am - 7:13 pm

GEG

DCA

9h 03m

1 stop

$251United Airlines

Tue, Apr 21 - Tue, Apr 28

5:55 am - 12:49 pm

DCA

BOI

8h 54m

1 stop

1:29 pm - 11:57 pm

BOI

DCA

8h 28m

1 stop

$251American Airlines

Wed, Apr 15 - Tue, Apr 21

6:00 am - 3:15 pm

DCA

GEG

12h 15m

2 stops

7:10 am - 5:04 pm

GEG

DCA

6h 54m

1 stop

$256United Airlines

Tue, Apr 21 - Tue, Apr 28

3:40 pm - 10:55 pm

DCA

GEG

10h 15m

2 stops

6:30 am - 6:40 pm

GEG

DCA

9h 10m

2 stops

$261Southwest

Tue, Apr 21 - Tue, Apr 28

7:40 am - 2:26 pm

DCA

BOI

8h 46m

1 stop

5:40 am - 3:27 pm

BOI

DCA

7h 47m

1 stop

$271Delta

Tue, Apr 14 - Wed, Apr 22

6:00 am - 2:26 pm

DCA

BOI

10h 26m

2 stops

5:40 am - 3:27 pm

BOI

DCA

7h 47m

1 stop

$276Delta

Tue, Apr 14 - Wed, Apr 22

7:40 am - 2:26 pm

DCA

BOI

8h 46m

1 stop

5:40 am - 3:27 pm

BOI

DCA

7h 47m

1 stop

$287Delta

Sat, Apr 25 - Mon, Apr 27

4:40 pm - 10:50 pm

DCA

GEG

9h 10m

1 stop

7:38 pm - 8:37 am

GEG

DCA

9h 59m

2 stops

$288Delta

Mon, Apr 6 - Mon, Apr 20

6:00 am - 2:26 pm

DCA

BOI

10h 26m

2 stops

5:40 am - 3:27 pm

BOI

DCA

7h 47m

1 stop

$292Delta

Sat, Apr 25 - Mon, Apr 27

6:30 am - 12:38 pm

DCA

JAC

8h 08m

1 stop

1:44 pm - 11:50 pm

JAC

DCA

8h 06m

1 stop

$304American Airlines

Tue, Mar 24 - Thu, Apr 2

Delta flights from Washington, D.C. Reagan-National Airport to Idaho

Our best Delta deals on Washington, D.C. Reagan-National Airport to Idaho flight tickets

Delta

Apr 14

DCA4:39 pmWashington, D.C. Reagan-National

9h 38m

1 stop

BOI12:17 amBoise Air Term. Gowen Fld

Apr 21

BOI5:40 amBoise Air Term. Gowen Fld

7h 47m

1 stop

DCA3:27 pmWashington, D.C. Reagan-National

$271

Delta

Apr 14

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

10h 26m

2 stops

BOI2:26 pmBoise Air Term. Gowen Fld

Apr 21

BOI5:40 amBoise Air Term. Gowen Fld

7h 47m

1 stop

DCA3:27 pmWashington, D.C. Reagan-National

$276

Delta

Apr 25

DCA7:40 amWashington, D.C. Reagan-National

8h 46m

1 stop

BOI2:26 pmBoise Air Term. Gowen Fld

Apr 27

BOI5:40 amBoise Air Term. Gowen Fld

7h 47m

1 stop

DCA3:27 pmWashington, D.C. Reagan-National

$287

United Airlines flights from Washington, D.C. Reagan-National Airport to Idaho

Our best United Airlines deals on Washington, D.C. Reagan-National Airport to Idaho flight tickets

United Airlines

Apr 21

DCA4:11 pmWashington, D.C. Reagan-National

8h 00m

1 stop

GEG9:11 pmSpokane

Apr 28

GEG7:10 amSpokane

9h 03m

1 stop

DCA7:13 pmWashington, D.C. Reagan-National

$251

United Airlines

Apr 21

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

12h 15m

2 stops

GEG3:15 pmSpokane

Apr 28

GEG7:10 amSpokane

6h 54m

1 stop

DCA5:04 pmWashington, D.C. Reagan-National

$256

United Airlines

Jul 14

DCA6:30 amWashington, D.C. Reagan-National

7h 02m

1 stop

BOI11:32 amBoise Air Term. Gowen Fld

Jul 22

BOI12:38 pmBoise Air Term. Gowen Fld

6h 32m

1 stop

DCA9:10 pmWashington, D.C. Reagan-National

$311

momondo Fare Finder

Use the filters below to find and compare flights from Washington, D.C. Reagan-National Airport to Idaho that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Spokane

DCA - GEG

DCAGEG

Washington, D.C. Reagan-National

Tue 4/21

4:11 pm-9:11 pm

1 stop8h 00m

Spokane

Tue 4/28

7:10 am-7:13 pm

1 stop9h 03m

$251

Washington, D.C.Boise

DCA - BOI

DCABOI

Washington, D.C. Reagan-National

Wed 4/15

5:55 am-12:49 pm

1 stop8h 54m

Boise Air Term. Gowen Fld

Tue 4/21

1:29 pm-11:57 pm

1 stop8h 28m

$251

Washington, D.C.Spokane

DCA - GEG

DCAGEG

Washington, D.C. Reagan-National

Tue 4/21

6:00 am-3:15 pm

2 stops12h 15m

Spokane

Tue 4/28

7:10 am-5:04 pm

1 stop6h 54m

$256

Washington, D.C.Spokane

DCA - GEG

DCAGEG

Washington, D.C. Reagan-National

Tue 4/21

3:40 pm-10:55 pm

2 stops10h 15m

Spokane

Tue 4/28

6:30 am-6:40 pm

2 stops9h 10m

$261

Washington, D.C.Boise

DCA - BOI

DCABOI

Washington, D.C. Reagan-National

Tue 4/14

7:40 am-2:26 pm

1 stop8h 46m

Boise Air Term. Gowen Fld

Wed 4/22

5:40 am-3:27 pm

1 stop7h 47m

$271

Washington, D.C.Boise

DCA - BOI

DCABOI

Washington, D.C. Reagan-National

Tue 4/14

6:00 am-2:26 pm

2 stops10h 26m

Boise Air Term. Gowen Fld

Wed 4/22

5:40 am-3:27 pm

1 stop7h 47m

$276

Washington, D.C.Boise

DCA - BOI

DCABOI

Washington, D.C. Reagan-National

Sat 4/25

7:40 am-2:26 pm

1 stop8h 46m

Boise Air Term. Gowen Fld

Mon 4/27

5:40 am-3:27 pm

1 stop7h 47m

$287

Washington, D.C.Spokane

DCA - GEG

DCAGEG

Washington, D.C. Reagan-National

Mon 4/6

4:40 pm-10:50 pm

1 stop9h 10m

Spokane

Mon 4/20

7:38 pm-8:37 am

2 stops9h 59m

$288

Washington, D.C.Boise

DCA - BOI

DCABOI

Washington, D.C. Reagan-National

Sat 4/25

6:00 am-2:26 pm

2 stops10h 26m

Boise Air Term. Gowen Fld

Mon 4/27

5:40 am-3:27 pm

1 stop7h 47m

$292

Washington, D.C.Jackson

DCA - JAC

DCAJAC

Washington, D.C. Reagan-National

Tue 3/24

6:30 am-12:38 pm

1 stop8h 08m

Jackson Hole

Thu 4/2

1:44 pm-11:50 pm

1 stop8h 06m

$304

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 Washington, D.C. Reagan-National Airport to Idaho

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

What is the cheapest airline that flies from Washington, D.C. Reagan-National to Idaho?

Delta, Southwest, and United Airlines are the most popular carriers operating from Washington, D.C. Reagan-National to Idaho

What airlines fly to Idaho?

Delta, American Airlines and United Airlines are the top three most popular airlines that fly to Idaho from Washington, D.C. Reagan-National Airport according to our data. Delta is the first choice among our users, with 40% of people opting to fly with this airline when traveling to Idaho. Keep in mind that there are 4 different airlines that fly to Idaho on a routine basis, so you have a few additional options to choose from.

Cheap Washington, D.C. Reagan-National Airport to Idaho flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Reagan-National Airport to Idaho

Fastest flight time	6h 42m
Direct flights	None

The fastest flight from Washington, D.C. Reagan-National Airport to Idaho takes 6h 42m

There are no direct flights from Washington, D.C. Reagan-National Airport to Idaho. There are no popular flight routes from Washington, D.C. Reagan-National Airport to Idaho.

Search flight deals

When did momondo last update prices for flights from Washington, D.C. Reagan-National Airport to Idaho?
Prices for flights from Washington, D.C. Reagan-National Airport to Idaho refresh daily.
How many operators does momondo search for flights from Washington, D.C. Reagan-National Airport to Idaho?
As of March 2026, there are 4 operators available to choose from for flights from Washington, D.C. Reagan-National Airport to Idaho.
How old do you have to be to fly from Washington, D.C. Reagan-National Airport to Idaho?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. Reagan-National Airport to Idaho.
What documentation or ID do you need to fly to Idaho?
The travel and health documents required for your trip to Idaho can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Idaho. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Washington, D.C. Reagan-National Airport to Idaho

Compare and see reviews for airlines that fly from Washington, D.C. Reagan-National Airport to Idaho with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $150	Free Cancellation	Rating 7.9 8,245 reviews	Search Delta flights
United Airlines	PriceFrom $221	Free Cancellation	Rating 7.4 9,382 reviews	Search United Airlines flights
American Airlines	PriceFrom $300	Free Cancellation	Rating 7.1 11,379 reviews	Search American Airlines flights
Alaska Airlines	PriceFrom $388	Free Cancellation	Rating 8.0 11,982 reviews	Search Alaska Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Idaho?

Finding the right flight to Idaho from Washington, D.C. is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Idaho quick and easy, saving you time and money.

Can I find flights from Washington, D.C. to Idaho with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Washington, D.C. to Idaho flights to just show those with flexible booking policies.

How can momondo help me find flights from Washington, D.C. to Idaho?

Once all potential Washington, D.C. to Idaho flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Washington, D.C. to Idaho right now. Can momondo alert me if prices change?

Price alerts on flights to Idaho from Washington, D.C. are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.