How long is the flight from Washington, D.C. to Idaho?

Flight times from Washington, D.C. to Idaho vary, but if you’re flying out of Baltimore and flying into Boise (one of the most popular routes), then the duration is 6h 30m on average. Another popular route from Washington, D.C. to Idaho is flying from Washington, D.C. to Boise, which will take roughly 6h 57m. Keep in mind that layovers or delays could extend your travel time.

What airlines fly to Idaho?

United Airlines, Delta and Southwest are the top three most popular airlines that fly to Idaho from Washington, D.C. according to our data. United Airlines is the first choice among our users, with 37% of people opting to fly with this airline when traveling to Idaho. Keep in mind that there are 5 different airlines that fly to Idaho on a routine basis, so you have a few additional options to choose from.

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

American Airlines, Delta, and United Airlines are the most popular carriers operating from Washington, D.C. to Idaho

When did momondo last update prices for flights from Washington, D.C. to Idaho?

Prices for flights from Washington, D.C. to Idaho were last updated today.

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

The number of operators available for flights from Washington, D.C. to Idaho is 5 as of February 2026.

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

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 Washington, D.C. to Idaho.

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

The travel and health documents you'll need for your trip to Idaho may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Idaho. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$99 Cheap Flights from Washington, D.C. to Idaho in 2026

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Find the cheapest flights from Washington, D.C. to Idaho

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:00 am - 11:41 am

BWI

GEG

7h 41m

1 stop

12:36 pm - 10:30 pm

GEG

BWI

6h 54m

1 stop

$237Delta

Tue, Apr 21 - Tue, Apr 28

6:00 am - 11:41 am

IAD

GEG

8h 41m

1 stop

10:40 pm - 9:15 am

GEG

IAD

7h 35m

1 stop

$237Delta

Tue, Apr 21 - Tue, Apr 28

6:00 am - 4:09 pm

IAD

JAC

12h 09m

2 stops

1:15 pm - 11:32 pm

JAC

IAD

8h 17m

1 stop

$242Delta

Wed, May 6 - Sat, May 9

5:39 am - 12:29 pm

BWI

GEG

9h 50m

1 stop

1:19 pm - 11:56 pm

GEG

BWI

7h 37m

1 stop

$257American Airlines

Tue, Apr 21 - Tue, Apr 28

7:05 am - 3:08 pm

IAD

BOI

10h 03m

1 stop

6:28 am - 5:20 pm

BOI

IAD

8h 52m

1 stop

$257Alaska Airlines

Tue, Feb 24 - Tue, Mar 10

6:22 pm - 10:20 pm

IAD

GEG

30h 58m

1 stop

6:00 am - 6:20 pm

GEG

IAD

9h 20m

1 stop

$257Alaska Airlines

Tue, Apr 21 - Tue, Apr 28

6:00 am - 12:42 pm

BWI

BOI

8h 42m

1 stop

1:31 pm - 11:33 pm

BOI

BWI

8h 02m

1 stop

$271American Airlines

Tue, Mar 3 - Tue, Mar 10

12:38 pm - 5:52 pm

IAD

JAC

7h 14m

1 stop

4:25 pm - 12:37 am

JAC

IAD

6h 12m

1 stop

$338United Airlines

Wed, Jun 3 - Tue, Jun 9

12:35 pm - 9:05 pm

IAD

JAC

10h 30m

1 stop

4:25 pm - 12:37 am

JAC

IAD

6h 12m

1 stop

$349United Airlines

Tue, May 26 - Tue, Jun 2

9:40 am - 5:00 pm

BWI

GEG

10h 20m

1 stop

5:35 pm - 5:45 am

GEG

BWI

9h 10m

1 stop

$386Southwest

Fri, May 1 - Mon, May 4

Delta flights from Washington, D.C. to Idaho

Our best Delta deals on Washington, D.C. to Idaho flight tickets

Delta

Apr 21

BWI7:00 amBaltimore/Washington

7h 41m

1 stop

GEG11:41 amSpokane

Apr 28

GEG12:36 pmSpokane

6h 54m

1 stop

BWI10:30 pmBaltimore/Washington

$237

Delta

Apr 21

BWI12:27 pmBaltimore/Washington

11h 38m

2 stops

GEG9:05 pmSpokane

Apr 28

GEG12:36 pmSpokane

6h 54m

1 stop

BWI10:30 pmBaltimore/Washington

$242

Delta

Apr 21

BWI12:27 pmBaltimore/Washington

11h 38m

2 stops

GEG9:05 pmSpokane

Apr 28

GEG3:30 pmSpokane

11h 30m

2 stops

BWI6:00 amBaltimore/Washington

$247

Southwest flights from Washington, D.C. to Idaho

Our best Southwest deals on Washington, D.C. to Idaho flight tickets

Southwest

Mar 3

BWI6:40 amBaltimore/Washington

10h 40m

2 stops

BOI3:20 pmBoise Air Term. Gowen Fld

Mar 10

BOI5:40 amBoise Air Term. Gowen Fld

8h 10m

1 stop

BWI3:50 pmBaltimore/Washington

$325

Southwest

May 13

IAD6:20 amWashington, D.C. Dulles Intl

6h 55m

1 stop

GEG10:15 amSpokane

May 17

GEG6:00 amSpokane

8h 25m

1 stop

IAD5:25 pmWashington, D.C. Dulles Intl

$343

Southwest

Mar 3

BWI7:45 amBaltimore/Washington

9h 35m

2 stops

BOI3:20 pmBoise Air Term. Gowen Fld

Mar 10

BOI6:05 amBoise Air Term. Gowen Fld

10h 15m

2 stops

BWI6:20 pmBaltimore/Washington

$352

Fly from

Fly to

Route

Depart

Return

Price

BaltimoreSpokane

BWI - GEG

BWIGEG

Baltimore/Washington

Tue 4/21

7:00 am-11:41 am

1 stop7h 41m

Spokane

Tue 4/28

12:36 pm-10:30 pm

1 stop6h 54m

$237

Washington, D.C.Spokane

IAD - GEG

IADGEG

Washington, D.C. Dulles Intl

Tue 4/21

6:00 am-11:41 am

1 stop8h 41m

Spokane

Tue 4/28

10:40 pm-9:15 am

1 stop7h 35m

$237

Washington, D.C.Jackson

IAD - JAC

IADJAC

Washington, D.C. Dulles Intl

Wed 5/6

6:00 am-4:09 pm

2 stops12h 09m

Jackson Hole

Sat 5/9

1:15 pm-11:32 pm

1 stop8h 17m

$242

BaltimoreSpokane

BWI - GEG

BWIGEG

Baltimore/Washington

Tue 4/21

5:39 am-12:29 pm

1 stop9h 50m

Spokane

Tue 4/28

1:19 pm-11:56 pm

1 stop7h 37m

$257

Washington, D.C.Boise

IAD - BOI

IADBOI

Washington, D.C. Dulles Intl

Tue 2/24

7:05 am-3:08 pm

1 stop10h 03m

Boise Air Term. Gowen Fld

Tue 3/10

6:28 am-5:20 pm

1 stop8h 52m

$257

Washington, D.C.Spokane

IAD - GEG

IADGEG

Washington, D.C. Dulles Intl

Tue 4/21

6:22 pm-10:20 pm

1 stop30h 58m

Spokane

Tue 4/28

6:00 am-6:20 pm

1 stop9h 20m

$257

BaltimoreBoise

BWI - BOI

BWIBOI

Baltimore/Washington

Tue 3/3

6:00 am-12:42 pm

1 stop8h 42m

Boise Air Term. Gowen Fld

Tue 3/10

1:31 pm-11:33 pm

1 stop8h 02m

$271

Washington, D.C.Jackson

IAD - JAC

IADJAC

Washington, D.C. Dulles Intl

Wed 6/3

12:38 pm-5:52 pm

1 stop7h 14m

Jackson Hole

Tue 6/9

4:25 pm-12:37 am

1 stop6h 12m

$338

Washington, D.C.Jackson

IAD - JAC

IADJAC

Washington, D.C. Dulles Intl

Tue 5/26

12:35 pm-9:05 pm

1 stop10h 30m

Jackson Hole

Tue 6/2

4:25 pm-12:37 am

1 stop6h 12m

$349

BaltimoreSpokane

BWI - GEG

BWIGEG

Baltimore/Washington

Fri 5/1

9:40 am-5:00 pm

1 stop10h 20m

Spokane

Mon 5/4

5:35 pm-5:45 am

1 stop9h 10m

$386

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How to get the cheapest flight ticket from Washington, D.C. 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

Prices

Airlines

Other information

What is the cheapest month to fly to Idaho?

In general, April is the cheapest month to fly from Washington, D.C. to Idaho. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $299. If you don’t want to visit Idaho in April, then you should wait until May to fly from Washington, D.C., when ticket prices are also cheap, with an average price of $300.

Can stopping save me money on Washington, D.C. to Idaho flights?

You could potentially save up to 39% on your flight if you consider stops on a Washington, D.C. to Idaho flight.

Cheap Washington, D.C. to Idaho flight deals and tips

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

Fastest flight time	4h 30m
Direct flights	Sun
Airports in Idaho	27 airports

The fastest flight from Washington, D.C. to Idaho takes 4h 30m

Direct flights go from Washington, D.C. to Idaho on Sunday. There are no airlines offering direct flights.

There are 27 airports in Idaho. From Washington, D.C. there are direct flights to Jackson Hole (JAC).

Search flight deals

When did momondo last update prices for flights from Washington, D.C. to Idaho?
Prices for flights from Washington, D.C. to Idaho were last updated today.
How many operators does momondo search for flights from Washington, D.C. to Idaho?
The number of operators available for flights from Washington, D.C. to Idaho is 5 as of February 2026.
How old do you have to be to fly from Washington, D.C. to Idaho?
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 Washington, D.C. to Idaho.
What documentation or ID do you need to fly to Idaho?
The travel and health documents you'll need for your trip to Idaho may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Idaho. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Washington, D.C. to Idaho

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

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $150	Free Cancellation	Rating 7.9 8,138 reviews	Search Delta flights
Alaska Airlines	PriceFrom $182	Free Cancellation	Rating 8.0 11,833 reviews	Search Alaska Airlines flights
United Airlines	PriceFrom $221	Free Cancellation	Rating 7.4 9,236 reviews	Search United Airlines flights
American Airlines	PriceFrom $300	Free Cancellation	Rating 7.2 11,216 reviews	Search American Airlines flights
Southwest	PriceFrom $346	Free Cancellation	Rating 8.0 4,272 reviews	Search Southwest 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. All flights to Idaho from Washington, D.C. on momondo can be compared and filtered by various policies on offer, including flexible booking.

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?

Of course. momondo tracks the price of Washington, D.C. to Idaho flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Idaho trip

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Popular cities in Idaho

Flights to New Yorkfrom $49

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Flights to Chicagofrom $49

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Flights to San Franciscofrom $54

Flights to Las Vegasfrom $49

Flights to Washington, D.C.from $51

Flights to Bostonfrom $51

Flights to Atlantafrom $49

Flights to Dallasfrom $49

Flights to Seattlefrom $83

Cheap flights from Washington, D.C. to Idaho from $99

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. to Idaho departing on 3/18. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Delta flights from Washington, D.C. to Idaho

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How to get the cheapest flight ticket from Washington, D.C. to Idaho

What is the cheapest month to fly to Idaho?

Can stopping save me money on Washington, D.C. to Idaho flights?

You could potentially save up to 39% on your flight if you consider stops on a Washington, D.C. to Idaho flight.

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

American Airlines, Delta, and United Airlines are the most popular carriers operating from Washington, D.C. to Idaho

What airlines fly to Idaho?

How long is the flight from Washington, D.C. to Idaho?

Cheap Washington, D.C. to Idaho flight deals and tips

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

Fastest flight time

Direct flights

Airports in Idaho

When did momondo last update prices for flights from Washington, D.C. to Idaho?

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

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

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

Best airlines flying from Washington, D.C. to Idaho

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

Why use momondo?

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

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

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

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

An easier way to manage your Idaho trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Idaho

Popular cities in Idaho

Popular flights according to clicks in the last 7 days on momondo

Washington, D.C. flight routes

According to popular flight searches on momondo this year

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According to popular flight searches on momondo this year

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