What airlines fly to Maryland?

United Airlines, Southwest and Delta are the top three most popular airlines that fly to Maryland from Idaho according to our data. United Airlines is the first choice among our users, with 38% of people opting to fly with this airline when traveling to Maryland. Keep in mind that there are 3 different airlines that fly to Maryland on a routine basis, so you have a few additional options to choose from.

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

Frontier, Alaska Airlines, and American Airlines are the most popular carriers operating from Idaho to Maryland

How long is the flight from Idaho to Maryland?

Flight times from Idaho to Maryland vary, but if you’re flying out of Twin Falls and flying into Baltimore (one of the most popular routes), then the duration is 6h 04m on average. Another popular route from Idaho to Maryland is flying from Idaho Falls to Baltimore, which will take roughly 6h 35m. Keep in mind that layovers or delays could extend your travel time.

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

Prices for flights from Idaho to Maryland refresh daily.

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

The number of operators available for flights from Idaho to Maryland is 6 as of December 2025.

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

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 Maryland.

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

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

$72 Cheap Flights from Idaho to Maryland in 2025/26

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Find the cheapest flights from Idaho to Maryland

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

12:07 pm - 1:02 pm

BOI

DCA

22h 55m1 stop

6:00 pm - 1:25 pm

DCA

BOI

21h 25m1 stop

$151Frontier

Mon, Jan 12 - Wed, Jan 14

12:07 pm - 1:02 pm

BOI

DCA

22h 55m1 stop

6:00 pm - 11:12 am

DCA

BOI

19h 12m1 stop

$172Frontier

Fri, Feb 6 - Sun, Feb 8

9:17 pm - 5:00 pm

GEG

DCA

16h 43m2 stops

8:00 am - 11:27 am

DCA

GEG

30h 27m1 stop

$258Multiple Airlines

Thu, Feb 19 - Wed, Feb 25

9:15 am - 11:26 pm

BOI

BWI

12h 11m2 stops

6:05 am - 4:17 pm

BWI

BOI

12h 12m2 stops

$276Delta

Fri, Jan 9 - Thu, Jan 15

11:25 am - 11:44 pm

GEG

BWI

9h 19m2 stops

6:05 am - 12:37 pm

BWI

GEG

9h 32m2 stops

$276Delta

Thu, Jan 22 - Wed, Jan 28

12:07 pm - 9:59 pm

BOI

DCA

7h 52m1 stop

5:01 pm - 8:12 am

DCA

BOI

17h 11m2 stops

$282Multiple Airlines

Fri, Feb 6 - Sun, Feb 8

5:00 am - 5:34 pm

GEG

PHL

9h 34m2 stops

6:30 am - 11:39 am

PHL

GEG

8h 09m1 stop

$327United Airlines

Thu, Jan 15 - Sun, Jan 18

5:00 am - 5:34 pm

GEG

PHL

9h 34m2 stops

6:30 am - 12:46 pm

PHL

GEG

9h 16m2 stops

$332United Airlines

Thu, Jan 15 - Sun, Jan 18

1:30 pm - 10:05 pm

BOI

BWI

6h 35m1 stop

4:00 pm - 10:30 pm

BWI

BOI

8h 30m1 stop

$346Southwest

Mon, Jan 12 - Wed, Jan 14

5:40 pm - 5:10 am

BOI

BWI

9h 30m1 stop

7:35 am - 3:20 pm

BWI

BOI

9h 45m1 stop

$366Southwest

Mon, Jan 5 - Thu, Jan 8

United Airlines flights from Idaho to Maryland

Our best United Airlines deals on Idaho to Maryland flight tickets

United Airlines

Jan 15

GEG5:00 amSpokane

9h 34m

2 stops

PHL5:34 pmPhiladelphia

Jan 18

PHL6:30 amPhiladelphia

8h 09m

1 stop

GEG11:39 amSpokane

$327

Find similar

United Airlines

Jan 15

GEG5:00 amSpokane

9h 34m

2 stops

PHL5:34 pmPhiladelphia

Jan 18

PHL6:30 amPhiladelphia

9h 16m

2 stops

GEG12:46 pmSpokane

$332

Find similar

United Airlines

Jan 7

BOI10:48 amBoise Air Term. Gowen Fld

9h 04m

1 stop

DCA9:52 pmWashington, D.C. Reagan-National

Jan 8

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

8h 09m

1 stop

BOI12:39 pmBoise Air Term. Gowen Fld

$342

Find similar

American Airlines flights from Idaho to Maryland

Our best American Airlines deals on Idaho to Maryland flight tickets

American Airlines

Jan 5

GEG6:30 amSpokane

8h 16m

1 stop

PHL5:46 pmPhiladelphia

Jan 7

PHL7:00 amPhiladelphia

10h 58m

1 stop

GEG2:58 pmSpokane

$336

Find similar

American Airlines

Jan 5

GEG6:30 amSpokane

8h 16m

1 stop

PHL5:46 pmPhiladelphia

Jan 7

PHL5:51 amPhiladelphia

12h 07m

2 stops

GEG2:58 pmSpokane

$342

Find similar

American Airlines

Jan 12

GEG6:00 amSpokane

7h 36m

1 stop

PHL4:36 pmPhiladelphia

Jan 18

PHL9:00 amPhiladelphia

11h 15m

1 stop

GEG5:15 pmSpokane

$343

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BoiseWashington, D.C.

BOI - DCA

BOIDCA

Boise Air Term. Gowen Fld

Mon 1/12

12:07 pm-1:02 pm

1 stop22h 55m

Washington, D.C. Reagan-National

Wed 1/14

6:00 pm-1:25 pm

1 stop21h 25m

$151

BoiseWashington, D.C.

BOI - DCA

BOIDCA

Boise Air Term. Gowen Fld

Fri 2/6

12:07 pm-1:02 pm

1 stop22h 55m

Washington, D.C. Reagan-National

Sun 2/8

6:00 pm-11:12 am

1 stop19h 12m

$172

SpokaneWashington, D.C.

GEG - DCA

GEGDCA

Spokane

Thu 2/19

9:17 pm-5:00 pm

2 stops16h 43m

Washington, D.C. Reagan-National

Wed 2/25

8:00 am-11:27 am

1 stop30h 27m

$258

BoiseBaltimore

BOI - BWI

BOIBWI

Boise Air Term. Gowen Fld

Fri 1/9

9:15 am-11:26 pm

2 stops12h 11m

Baltimore/Washington

Thu 1/15

6:05 am-4:17 pm

2 stops12h 12m

$276

SpokaneBaltimore

GEG - BWI

GEGBWI

Spokane

Thu 1/22

11:25 am-11:44 pm

2 stops9h 19m

Baltimore/Washington

Wed 1/28

6:05 am-12:37 pm

2 stops9h 32m

$276

BoiseWashington, D.C.

BOI - DCA

BOIDCA

Boise Air Term. Gowen Fld

Fri 2/6

12:07 pm-9:59 pm

1 stop7h 52m

Washington, D.C. Reagan-National

Sun 2/8

5:01 pm-8:12 am

2 stops17h 11m

$282

SpokanePhiladelphia

GEG - PHL

GEGPHL

Spokane

Thu 1/15

5:00 am-5:34 pm

2 stops9h 34m

Philadelphia

Sun 1/18

6:30 am-11:39 am

1 stop8h 09m

$327

SpokanePhiladelphia

GEG - PHL

GEGPHL

Spokane

Thu 1/15

5:00 am-5:34 pm

2 stops9h 34m

Philadelphia

Sun 1/18

6:30 am-12:46 pm

2 stops9h 16m

$332

BoiseBaltimore

BOI - BWI

BOIBWI

Boise Air Term. Gowen Fld

Mon 1/12

1:30 pm-10:05 pm

1 stop6h 35m

Baltimore/Washington

Wed 1/14

4:00 pm-10:30 pm

1 stop8h 30m

$346

BoiseBaltimore

BOI - BWI

BOIBWI

Boise Air Term. Gowen Fld

Mon 1/5

5:40 pm-5:10 am

1 stop9h 30m

Baltimore/Washington

Thu 1/8

7:35 am-3:20 pm

1 stop9h 45m

$366

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 Maryland

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 Maryland?

The cheapest month to fly to Maryland from Idaho is in August. Flight prices, which tend to average around $293, are often lower during this time because this is during the off-season. If you don’t want to visit Maryland in August, then you should wait until February to fly from Idaho, when ticket prices are also cheap, with an average price of $351.

What is the cheapest day to depart on your flight to Maryland?

The cheapest day to depart from Idaho to Maryland is on a Saturday. Travelers who choose to depart for Maryland on a Saturday will often find tickets for as low as $436. The most expensive day to fly to Maryland is Sunday, with ticket prices averaging around $551.

What is the cheapest time of day to depart on your flight to Maryland?

Our most recent data shows that the best time of day to fly to Maryland is in the afternoon. Flights from Idaho to Maryland during this time can be as low as $433. In contrast, the most expensive time of day to depart to Maryland is at noon when prices are around $547.

Can stopping save me money on Idaho to Maryland flights?

You could potentially save up to 30% on your flight if you consider stops on a Idaho to Maryland flight.

Cheap Idaho to Maryland flight deals and tips

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

Fastest flight time	6h 04m
Direct flights	None

The fastest flight from Idaho to Maryland takes 6h 04m

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

Search flight deals

When did momondo last update prices for flights from Idaho to Maryland?
Prices for flights from Idaho to Maryland refresh daily.
How many operators does momondo search for flights from Idaho to Maryland?
The number of operators available for flights from Idaho to Maryland is 6 as of December 2025.
How old do you have to be to fly from Idaho to Maryland?
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 Maryland.
What documentation or ID do you need to fly to Maryland?
The required travel and health documents for your Maryland 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 Maryland. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Idaho to Maryland

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

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $286	Free Cancellation	Rating 7.9 8,009 reviews	Search Delta flights
United Airlines	PriceFrom $305	Free Cancellation	Rating 7.4 9,095 reviews	Search United Airlines flights
Southwest	PriceFrom $351	Free Cancellation	Rating 7.9 4,252 reviews	Search Southwest flights

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Maryland from Idaho.

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

Yes. All flights to Maryland from Idaho on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once all potential Idaho to Maryland 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 Idaho to Maryland right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Idaho to Maryland 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.