What is the cheapest airline that flies from Maryland to Idaho?

Southwest, American Airlines, and United Airlines are the most popular carriers operating from Maryland to Idaho

What airlines fly to Idaho?

United Airlines, Southwest and Delta are the top three most popular airlines that fly to Idaho from Maryland according to our data. United Airlines is the first choice among our users, with 42% 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.

When did momondo last update prices for flights from Maryland to Idaho?

Prices for flights from Maryland to Idaho refresh daily.

How many operators does momondo search for flights from Maryland to Idaho?

The number of operators available for flights from Maryland to Idaho is 5 as of March 2026.

How old do you have to be to fly from Maryland 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 Maryland to Idaho.

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

The required travel and health documents for your Idaho 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 Idaho. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$105 Cheap Flights from Maryland to Idaho in 2026

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Find the cheapest flights from Maryland to Idaho

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:00 pm - 10:49 am

DCA

GEG

19h 49m

1 stop

11:44 am - 12:59 pm

GEG

DCA

22h 15m

1 stop

$160Frontier

Sat, Apr 18 - Sun, Apr 26

1:59 pm - 10:49 am

DCA

GEG

23h 50m

1 stop

12:33 pm - 12:59 pm

GEG

DCA

21h 26m

1 stop

$186Frontier

Sat, May 2 - Fri, May 8

7:06 am - 1:07 pm

IAD

BOI

8h 01m

1 stop

1:52 pm - 11:55 pm

BOI

IAD

8h 03m

1 stop

$243Delta

Tue, Apr 21 - Wed, Apr 29

6:00 am - 1:04 pm

IAD

GEG

10h 04m

1 stop

2:10 pm - 11:32 pm

GEG

IAD

6h 22m

1 stop

$243Delta

Tue, Apr 21 - Tue, Apr 28

5:39 am - 12:32 pm

BWI

GEG

9h 53m

1 stop

1:22 pm - 11:56 pm

GEG

BWI

7h 34m

1 stop

$257American Airlines

Tue, Apr 21 - Tue, Apr 28

5:39 am - 12:32 pm

BWI

GEG

9h 53m

1 stop

6:34 am - 11:09 pm

GEG

BWI

13h 35m

2 stops

$262American Airlines

Tue, Apr 21 - Tue, Apr 28

5:55 pm - 11:51 pm

IAD

GEG

8h 56m

1 stop

12:37 pm - 12:55 am

GEG

IAD

9h 18m

1 stop

$267United Airlines

Thu, May 28 - Tue, Jun 2

4:30 pm - 12:30 am

IAD

GEG

11h 00m

1 stop

7:00 am - 11:40 pm

GEG

IAD

13h 40m

2 stops

$272Southwest

Thu, May 28 - Tue, Jun 2

4:30 pm - 12:25 am

IAD

BOI

9h 55m

2 stops

7:05 am - 10:55 pm

BOI

IAD

13h 50m

2 stops

$281Southwest

Tue, Apr 28 - Sat, May 2

11:08 am - 9:22 pm

BWI

BOI

12h 14m

2 stops

2:33 pm - 11:27 pm

BOI

BWI

6h 54m

1 stop

$332United Airlines

Tue, Apr 28 - Sat, May 2

American Airlines flights from Maryland to Idaho

Our best American Airlines deals on Maryland to Idaho flight tickets

American Airlines

Apr 21

BWI5:39 amBaltimore/Washington

9h 53m

1 stop

GEG12:32 pmSpokane

Apr 28

GEG1:22 pmSpokane

7h 34m

1 stop

BWI11:56 pmBaltimore/Washington

$257

American Airlines

Apr 21

BWI5:39 amBaltimore/Washington

9h 53m

1 stop

GEG12:32 pmSpokane

Apr 28

GEG6:34 amSpokane

13h 35m

2 stops

BWI11:09 pmBaltimore/Washington

$262

American Airlines

Apr 21

BWI5:39 amBaltimore/Washington

9h 53m

1 stop

GEG12:32 pmSpokane

Apr 28

GEG1:22 pmSpokane

7h 34m

1 stop

BWI11:56 pmBaltimore/Washington

$297

United Airlines flights from Maryland to Idaho

Our best United Airlines deals on Maryland to Idaho flight tickets

United Airlines

May 28

IAD5:55 pmWashington, D.C. Dulles Intl

8h 56m

1 stop

GEG11:51 pmSpokane

Jun 2

GEG12:37 pmSpokane

9h 18m

1 stop

IAD12:55 amWashington, D.C. Dulles Intl

$267

United Airlines

Apr 28

BWI11:08 amBaltimore/Washington

12h 14m

2 stops

BOI9:22 pmBoise Air Term. Gowen Fld

May 2

BOI2:33 pmBoise Air Term. Gowen Fld

6h 54m

1 stop

BWI11:27 pmBaltimore/Washington

$332

United Airlines

Apr 27

IAD2:21 pmWashington, D.C. Dulles Intl

9h 50m

1 stop

GEG9:11 pmSpokane

May 12

GEG1:41 pmSpokane

6h 53m

1 stop

IAD11:34 pmWashington, D.C. Dulles Intl

$346

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Spokane

DCA - GEG

DCAGEG

Washington, D.C. Reagan-National

Sat 4/18

6:00 pm-10:49 am

1 stop19h 49m

Spokane

Sun 4/26

11:44 am-12:59 pm

1 stop22h 15m

$160

Washington, D.C.Spokane

DCA - GEG

DCAGEG

Washington, D.C. Reagan-National

Sat 5/2

1:59 pm-10:49 am

1 stop23h 50m

Spokane

Fri 5/8

12:33 pm-12:59 pm

1 stop21h 26m

$186

Quickest round-trip

Washington, D.C.Boise

IAD - BOI

IADBOI

Washington, D.C. Dulles Intl

Tue 4/21

7:06 am-1:07 pm

1 stop8h 01m

Boise Air Term. Gowen Fld

Wed 4/29

1:52 pm-11:55 pm

1 stop8h 03m

$243

Washington, D.C.Spokane

IAD - GEG

IADGEG

Washington, D.C. Dulles Intl

Tue 4/21

6:00 am-1:04 pm

1 stop10h 04m

Spokane

Tue 4/28

2:10 pm-11:32 pm

1 stop6h 22m

$243

BaltimoreSpokane

BWI - GEG

BWIGEG

Baltimore/Washington

Tue 4/21

5:39 am-12:32 pm

1 stop9h 53m

Spokane

Tue 4/28

1:22 pm-11:56 pm

1 stop7h 34m

$257

BaltimoreSpokane

BWI - GEG

BWIGEG

Baltimore/Washington

Tue 4/21

5:39 am-12:32 pm

1 stop9h 53m

Spokane

Tue 4/28

6:34 am-11:09 pm

2 stops13h 35m

$262

Washington, D.C.Spokane

IAD - GEG

IADGEG

Washington, D.C. Dulles Intl

Thu 5/28

5:55 pm-11:51 pm

1 stop8h 56m

Spokane

Tue 6/2

12:37 pm-12:55 am

1 stop9h 18m

$267

Washington, D.C.Spokane

IAD - GEG

IADGEG

Washington, D.C. Dulles Intl

Thu 5/28

4:30 pm-12:30 am

1 stop11h 00m

Spokane

Tue 6/2

7:00 am-11:40 pm

2 stops13h 40m

$272

Washington, D.C.Boise

IAD - BOI

IADBOI

Washington, D.C. Dulles Intl

Tue 4/28

4:30 pm-12:25 am

2 stops9h 55m

Boise Air Term. Gowen Fld

Sat 5/2

7:05 am-10:55 pm

2 stops13h 50m

$281

BaltimoreBoise

BWI - BOI

BWIBOI

Baltimore/Washington

Tue 4/28

11:08 am-9:22 pm

2 stops12h 14m

Boise Air Term. Gowen Fld

Sat 5/2

2:33 pm-11:27 pm

1 stop6h 54m

$332

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 Maryland 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

What is the cheapest month to fly to Idaho?

In general, April is the cheapest month to fly from Maryland to Idaho. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $265. If you don’t want to visit Idaho in April, then you should wait until May to fly from Maryland, when ticket prices are also cheap, with an average price of $300.

Can stopping save me money on Maryland to Idaho flights?

You could potentially save up to 18% on your flight if you consider stops on a Maryland to Idaho flight.

Cheap Maryland to Idaho flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Maryland to Idaho

Fastest flight time	6h 28m
Direct flights	None

The fastest flight from Maryland to Idaho takes 6h 28m

There are no direct flights from Maryland to Idaho. There are no popular flight routes from Maryland to Idaho.

Search flight deals

When did momondo last update prices for flights from Maryland to Idaho?
Prices for flights from Maryland to Idaho refresh daily.
How many operators does momondo search for flights from Maryland to Idaho?
The number of operators available for flights from Maryland to Idaho is 5 as of March 2026.
How old do you have to be to fly from Maryland 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 Maryland to Idaho.
What documentation or ID do you need to fly to Idaho?
The required travel and health documents for your Idaho 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 Idaho. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Maryland to Idaho

Compare and see reviews for airlines that fly from Maryland to Idaho with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $208	Free Cancellation	Rating 7.9 8,364 reviews	Search Delta flights
United Airlines	PriceFrom $275	Free Cancellation	Rating 7.4 9,525 reviews	Search United Airlines flights
Alaska Airlines	PriceFrom $321	Free Cancellation	Rating 7.9 12,142 reviews	Search Alaska Airlines flights
Southwest	PriceFrom $351	Free Cancellation	Rating 8.0 4,332 reviews	Search Southwest flights
American Airlines	PriceFrom $400	Free Cancellation	Rating 7.1 11,543 reviews	Search American Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Maryland to Idaho?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Maryland to Idaho for you.

Can I find flights from Maryland to Idaho with flexible booking policies on momondo?

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

How can momondo help me find flights from Maryland to Idaho?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Maryland to Idaho.

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

Yes. momondo can track prices for Maryland to Idaho flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.