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

Delta, United Airlines, and Southwest 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 47% 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.

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 May 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.

$132 Cheap Flights from Maryland to Idaho in 2026

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

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 am - 1:51 pm

IAD

BOI

9h 51m

1 stop

11:42 pm - 9:26 am

BOI

IAD

7h 44m

1 stop

$263Delta

Sat, Jul 4 - Tue, Jul 14

7:40 am - 12:54 pm

BWI

BOI

7h 14m

1 stop

6:42 pm - 6:00 am

BOI

BWI

9h 18m

1 stop

$263Delta

Sat, Jul 4 - Tue, Jul 14

5:00 am - 11:20 am

DCA

BOI

8h 20m

1 stop

3:10 pm - 11:59 pm

BOI

DCA

6h 49m

1 stop

$263American Airlines

Sat, Jul 4 - Tue, Jul 14

7:27 am - 3:07 pm

BWI

BOI

9h 40m

1 stop

3:11 pm - 12:11 am

BOI

BWI

7h 00m

1 stop

$270American Airlines

Thu, May 28 - Tue, Jun 2

6:00 am - 11:42 am

IAD

GEG

8h 42m

1 stop

12:46 pm - 11:59 pm

GEG

IAD

8h 13m

1 stop

$275Alaska Airlines

Wed, May 27 - Tue, Jun 2

7:30 pm - 1:10 am

BWI

BOI

7h 40m

1 stop

4:05 pm - 12:50 am

BOI

BWI

6h 45m

1 stop

$283Southwest

Mon, Jul 20 - Tue, Jul 28

7:30 pm - 1:10 am

BWI

BOI

7h 40m

1 stop

5:30 am - 5:55 pm

BOI

BWI

10h 25m

2 stops

$303Southwest

Mon, Jul 20 - Tue, Jul 28

6:30 am - 12:37 pm

IAD

GEG

9h 07m

1 stop

1:41 pm - 11:32 pm

GEG

IAD

6h 51m

1 stop

$306United Airlines

Wed, Jun 3 - Sat, Jun 6

9:34 am - 5:52 pm

PHL

JAC

10h 18m

2 stops

2:40 pm - 10:46 pm

JAC

PHL

6h 06m

1 stop

$316United Airlines

Tue, Oct 20 - Tue, Oct 27

5:35 pm - 10:36 pm

IAD

GEG

8h 01m

1 stop

12:46 pm - 11:59 pm

GEG

IAD

8h 13m

1 stop

$320Alaska Airlines

Thu, May 28 - Tue, Jun 2

Southwest flights from Maryland to Idaho

Our best Southwest deals on Maryland to Idaho flight tickets

Southwest

May 28

BWI9:55 amBaltimore/Washington

10h 25m

2 stops

BOI6:20 pmBoise Air Term. Gowen Fld

May 29

BOI8:50 amBoise Air Term. Gowen Fld

10h 15m

1 stop

BWI9:05 pmBaltimore/Washington

$268

Southwest

Jul 20

BWI7:30 pmBaltimore/Washington

7h 40m

1 stop

BOI1:10 amBoise Air Term. Gowen Fld

Jul 28

BOI5:30 amBoise Air Term. Gowen Fld

10h 25m

2 stops

BWI5:55 pmBaltimore/Washington

$303

Southwest

Aug 7

BWI10:05 amBaltimore/Washington

7h 55m

1 stop

GEG3:00 pmSpokane

Aug 11

GEG4:55 pmSpokane

10h 40m

1 stop

BWI6:35 amBaltimore/Washington

$318

American Airlines flights from Maryland to Idaho

Our best American Airlines deals on Maryland to Idaho flight tickets

American Airlines

Jul 4

DCA5:00 amWashington, D.C. Reagan-National

8h 20m

1 stop

BOI11:20 amBoise Air Term. Gowen Fld

Jul 14

BOI3:10 pmBoise Air Term. Gowen Fld

6h 49m

1 stop

DCA11:59 pmWashington, D.C. Reagan-National

$263

American Airlines

May 28

BWI7:27 amBaltimore/Washington

9h 40m

1 stop

BOI3:07 pmBoise Air Term. Gowen Fld

Jun 2

BOI3:11 pmBoise Air Term. Gowen Fld

7h 00m

1 stop

BWI12:11 amBaltimore/Washington

$270

American Airlines

May 27

IAD6:20 amWashington, D.C. Dulles Intl

10h 00m

2 stops

BOI2:20 pmBoise Air Term. Gowen Fld

Jun 9

BOI5:57 pmBoise Air Term. Gowen Fld

12h 53m

2 stops

IAD8:50 amWashington, D.C. Dulles Intl

$273

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Washington, D.C.Boise

IAD - BOI

IADBOI

Washington, D.C. Dulles Intl

Sat 7/4

6:00 am-1:51 pm

1 stop9h 51m

Boise Air Term. Gowen Fld

Tue 7/14

11:42 pm-9:26 am

1 stop7h 44m

$263

BaltimoreBoise

BWI - BOI

BWIBOI

Baltimore/Washington

Sat 7/4

7:40 am-12:54 pm

1 stop7h 14m

Boise Air Term. Gowen Fld

Tue 7/14

6:42 pm-6:00 am

1 stop9h 18m

$263

Washington, D.C.Boise

DCA - BOI

DCABOI

Washington, D.C. Reagan-National

Sat 7/4

5:00 am-11:20 am

1 stop8h 20m

Boise Air Term. Gowen Fld

Tue 7/14

3:10 pm-11:59 pm

1 stop6h 49m

$263

BaltimoreBoise

BWI - BOI

BWIBOI

Baltimore/Washington

Thu 5/28

7:27 am-3:07 pm

1 stop9h 40m

Boise Air Term. Gowen Fld

Tue 6/2

3:11 pm-12:11 am

1 stop7h 00m

$270

Washington, D.C.Spokane

IAD - GEG

IADGEG

Washington, D.C. Dulles Intl

Wed 5/27

6:00 am-11:42 am

1 stop8h 42m

Spokane

Tue 6/2

12:46 pm-11:59 pm

1 stop8h 13m

$275

Quickest round-trip

BaltimoreBoise

BWI - BOI

BWIBOI

Baltimore/Washington

Mon 7/20

7:30 pm-1:10 am

1 stop7h 40m

Boise Air Term. Gowen Fld

Tue 7/28

4:05 pm-12:50 am

1 stop6h 45m

$283

BaltimoreBoise

BWI - BOI

BWIBOI

Baltimore/Washington

Mon 7/20

7:30 pm-1:10 am

1 stop7h 40m

Boise Air Term. Gowen Fld

Tue 7/28

5:30 am-5:55 pm

2 stops10h 25m

$303

Washington, D.C.Spokane

IAD - GEG

IADGEG

Washington, D.C. Dulles Intl

Wed 6/3

6:30 am-12:37 pm

1 stop9h 07m

Spokane

Sat 6/6

1:41 pm-11:32 pm

1 stop6h 51m

$306

PhiladelphiaJackson

PHL - JAC

PHLJAC

Philadelphia

Tue 10/20

9:34 am-5:52 pm

2 stops10h 18m

Jackson Hole

Tue 10/27

2:40 pm-10:46 pm

1 stop6h 06m

$316

Washington, D.C.Spokane

IAD - GEG

IADGEG

Washington, D.C. Dulles Intl

Thu 5/28

5:35 pm-10:36 pm

1 stop8h 01m

Spokane

Tue 6/2

12:46 pm-11:59 pm

1 stop8h 13m

$320

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, July 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 $116. If you don’t want to visit Idaho in July, then you should wait until March to fly from Maryland, when ticket prices are also cheap, with an average price of $170.

Can stopping save me money on Maryland to Idaho flights?

You could potentially save up to 35% 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 35m
Direct flights	None

The fastest flight from Maryland to Idaho takes 6h 35m

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

Search flight deals

Frequently asked questions about flying from Maryland to Idaho

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 May 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 $196	Free Cancellation	Rating 7.9 8,454 reviews	Search Delta flights
United Airlines	PriceFrom $275	Free Cancellation	Rating 7.4 9,729 reviews	Search United Airlines flights
Alaska Airlines	PriceFrom $321	Free Cancellation	Rating 7.9 12,372 reviews	Search Alaska Airlines flights
Southwest	PriceFrom $342	Free Cancellation	Rating 8.0 4,294 reviews	Search Southwest 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.