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

Delta, United Airlines, and Frontier are the most popular carriers operating from Idaho to Maryland

What airlines fly to Maryland?

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

How long is the flight from Idaho to Maryland?

Flight times from Idaho to Maryland vary, but if you’re flying out of Boise and flying into Baltimore (one of the most popular routes), then the duration is 6h 15m on average. Another popular route from Idaho to Maryland is flying from Hailey to Baltimore, which will take roughly 6h 31m. 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 May 2026.

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.

$115 Cheap Flights from Idaho to Maryland in 2026

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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.

1:25 pm - 5:37 am

BOI

PHL

14h 12m

1 stop

8:35 pm - 12:38 pm

PHL

BOI

18h 03m

1 stop

$219Frontier

Tue, Jun 2 - Wed, Jun 3

4:23 pm - 12:45 am

JAC

IAD

6h 22m

1 stop

1:15 pm - 6:42 pm

IAD

JAC

7h 27m

1 stop

$241United Airlines

Fri, May 29 - Tue, Jun 2

1:43 pm - 12:10 am

BOI

IAD

8h 27m

1 stop

6:40 pm - 11:29 pm

IAD

BOI

6h 49m

1 stop

$263Delta

Sat, Sep 19 - Tue, Sep 22

5:40 am - 1:57 pm

BOI

DCA

6h 17m

1 stop

5:00 pm - 11:56 pm

DCA

BOI

8h 56m

1 stop

$263Delta

Sat, Sep 19 - Tue, Sep 22

5:11 pm - 8:38 am

BOI

IAD

13h 27m

2 stops

2:46 pm - 10:17 pm

IAD

BOI

9h 31m

1 stop

$277American Airlines

Tue, Sep 22 - Tue, Sep 29

12:10 pm - 11:58 pm

BOI

DCA

9h 48m

1 stop

5:00 am - 11:26 am

DCA

BOI

8h 26m

1 stop

$281American Airlines

Tue, Sep 22 - Sat, Sep 26

5:09 am - 3:44 pm

GEG

PHL

7h 35m

1 stop

4:44 pm - 11:14 pm

PHL

GEG

9h 30m

1 stop

$312Alaska Airlines

Fri, Aug 28 - Sat, Aug 29

6:55 am - 11:25 pm

GEG

BWI

13h 30m

2 stops

5:40 pm - 10:55 pm

BWI

GEG

8h 15m

1 stop

$320Southwest

Thu, Aug 6 - Tue, Aug 11

5:09 am - 3:34 pm

GEG

BWI

7h 25m

1 stop

4:34 pm - 11:14 pm

BWI

GEG

9h 40m

1 stop

$323Alaska Airlines

Tue, Sep 29 - Wed, Sep 30

6:00 am - 4:40 pm

GEG

BWI

7h 40m

2 stops

5:20 pm - 11:15 pm

BWI

GEG

8h 55m

1 stop

$332Southwest

Fri, Aug 7 - Thu, Aug 13

Frontier flights from Idaho to Maryland

Our best Frontier deals on Idaho to Maryland flight tickets

Frontier

Jun 2

BOI1:25 pmBoise Air Term. Gowen Fld

14h 12m

1 stop

PHL5:37 amPhiladelphia

Jun 3

PHL8:35 pmPhiladelphia

18h 03m

1 stop

BOI12:38 pmBoise Air Term. Gowen Fld

$219

Frontier

Aug 20

BOI1:04 pmBoise Air Term. Gowen Fld

6h 55m

1 stop

DCA9:59 pmWashington, D.C. Reagan-National

Aug 23

DCA7:00 amWashington, D.C. Reagan-National

7h 09m

1 stop

BOI12:09 pmBoise Air Term. Gowen Fld

$244

Frontier

Jun 25

BOI1:25 pmBoise Air Term. Gowen Fld

21h 32m

1 stop

DCA12:57 pmWashington, D.C. Reagan-National

Jul 4

DCA1:59 pmWashington, D.C. Reagan-National

24h 30m

1 stop

BOI12:29 pmBoise Air Term. Gowen Fld

$251

United Airlines flights from Idaho to Maryland

Our best United Airlines deals on Idaho to Maryland flight tickets

United Airlines

May 29

JAC4:23 pmJackson Hole

6h 22m

1 stop

IAD12:45 amWashington, D.C. Dulles Intl

Jun 2

IAD1:15 pmWashington, D.C. Dulles Intl

7h 27m

1 stop

JAC6:42 pmJackson Hole

$241

United Airlines

May 29

GEG7:25 pmSpokane

11h 50m

2 stops

PHL10:15 amPhiladelphia

Jun 6

PHL4:14 pmPhiladelphia

7h 16m

1 stop

GEG8:30 pmSpokane

$284

United Airlines

Jul 8

BOI7:05 pmBoise Air Term. Gowen Fld

10h 45m

1 stop

PHL7:50 amPhiladelphia

Jul 18

PHL6:00 amPhiladelphia

7h 32m

1 stop

BOI11:32 amBoise Air Term. Gowen Fld

$299

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BoisePhiladelphia

BOI - PHL

BOIPHL

Boise Air Term. Gowen Fld

Tue 6/2

1:25 pm-5:37 am

1 stop14h 12m

Philadelphia

Wed 6/3

8:35 pm-12:38 pm

1 stop18h 03m

$219

Quickest round-trip

JacksonWashington, D.C.

JAC - IAD

JACIAD

Jackson Hole

Fri 5/29

4:23 pm-12:45 am

1 stop6h 22m

Washington, D.C. Dulles Intl

Tue 6/2

1:15 pm-6:42 pm

1 stop7h 27m

$241

BoiseWashington, D.C.

BOI - IAD

BOIIAD

Boise Air Term. Gowen Fld

Sat 9/19

1:43 pm-12:10 am

1 stop8h 27m

Washington, D.C. Dulles Intl

Tue 9/22

6:40 pm-11:29 pm

1 stop6h 49m

$263

BoiseWashington, D.C.

BOI - DCA

BOIDCA

Boise Air Term. Gowen Fld

Sat 9/19

5:40 am-1:57 pm

1 stop6h 17m

Washington, D.C. Reagan-National

Tue 9/22

5:00 pm-11:56 pm

1 stop8h 56m

$263

BoiseWashington, D.C.

BOI - IAD

BOIIAD

Boise Air Term. Gowen Fld

Tue 9/22

5:11 pm-8:38 am

2 stops13h 27m

Washington, D.C. Dulles Intl

Tue 9/29

2:46 pm-10:17 pm

1 stop9h 31m

$277

BoiseWashington, D.C.

BOI - DCA

BOIDCA

Boise Air Term. Gowen Fld

Tue 9/22

12:10 pm-11:58 pm

1 stop9h 48m

Washington, D.C. Reagan-National

Sat 9/26

5:00 am-11:26 am

1 stop8h 26m

$281

SpokanePhiladelphia

GEG - PHL

GEGPHL

Spokane

Fri 8/28

5:09 am-3:44 pm

1 stop7h 35m

Philadelphia

Sat 8/29

4:44 pm-11:14 pm

1 stop9h 30m

$312

SpokaneBaltimore

GEG - BWI

GEGBWI

Spokane

Thu 8/6

6:55 am-11:25 pm

2 stops13h 30m

Baltimore/Washington

Tue 8/11

5:40 pm-10:55 pm

1 stop8h 15m

$320

SpokaneBaltimore

GEG - BWI

GEGBWI

Spokane

Tue 9/29

5:09 am-3:34 pm

1 stop7h 25m

Baltimore/Washington

Wed 9/30

4:34 pm-11:14 pm

1 stop9h 40m

$323

SpokaneBaltimore

GEG - BWI

GEGBWI

Spokane

Fri 8/7

6:00 am-4:40 pm

2 stops7h 40m

Baltimore/Washington

Thu 8/13

5:20 pm-11:15 pm

1 stop8h 55m

$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 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 March. Flight prices, which tend to average around $168, are often lower during this time because this is during the off-season. If you don’t want to visit Maryland in March, then you should wait until September to fly from Idaho, when ticket prices are also cheap, with an average price of $200.

Can stopping save me money on Idaho to Maryland flights?

You could potentially save up to 56% 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	5h 56m
Direct flights	None

The fastest flight from Idaho to Maryland takes 5h 56m

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

Search flight deals

Frequently asked questions about flying from Idaho to Maryland

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 May 2026.
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 $222	Free Cancellation	Rating 7.9 8,458 reviews	Search Delta flights
United Airlines	PriceFrom $283	Free Cancellation	Rating 7.4 9,726 reviews	Search United Airlines flights
Southwest	PriceFrom $340	Free Cancellation	Rating 8.0 4,298 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.