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$111+ Cheap flights from Idaho to Maryland

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/9. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — BWI
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
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Cheap flight deals from Idaho to Maryland

Cheapest flights from Idaho to Maryland
Explore the most affordable flight options available from Idaho to Maryland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 29, 2026.

This Alaska Airlines deal was found by Cheapflights users on 1/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/246:28 am
BOI
-
IAD
1 stop8h 52m
Alaska Airlines
Tue 3/37:05 am
IAD
-
BOI
1 stop10h 03m
Alaska Airlines
Deal found 1/26$257
This Delta deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/1811:22 am
GEG
-
IAD
1 stop8h 48m
Delta
Wed 2/257:30 am
IAD
-
GEG
1 stop10h 28m
Delta
Deal found 1/28$257
This Delta deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/253:23 pm
BOI
-
DCA
1 stop6h 20m
Delta
Tue 4/284:39 pm
DCA
-
BOI
1 stop9h 38m
Delta
Deal found 1/28$257
This Delta deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/1812:48 pm
GEG
-
DCA
1 stop7h 44m
Delta
Wed 2/254:44 pm
DCA
-
GEG
1 stop10h 20m
Delta
Deal found 1/28$257
This Delta deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/15:30 am
BOI
-
BWI
1 stop6h 30m
Delta
Tue 4/76:00 am
BWI
-
BOI
1 stop8h 38m
Delta
Deal found 1/28$257
This Delta deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/211:30 pm
BOI
-
PHL
1 stop8h 07m
Delta
Sat 6/136:15 am
PHL
-
BOI
1 stop9h 48m
Delta
Deal found 1/28$257
This Delta deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/1812:48 pm
GEG
-
BWI
1 stop8h 47m
Delta
Wed 2/256:00 am
BWI
-
GEG
1 stop8h 35m
Delta
Deal found 1/28$257
This Delta deal was found by Cheapflights users on 1/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/285:45 am
GEG
-
PHL
1 stop8h 44m
Delta
Sat 3/75:31 am
PHL
-
GEG
1 stop9h 04m
Delta
Deal found 1/29$257
This Delta deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/1010:35 am
BOI
-
IAD
2 stops11h 06m
Delta
Sat 3/147:00 am
IAD
-
BOI
1 stop8h 05m
Delta
Deal found 1/27$262
This United Airlines deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/252:40 pm
BOI
-
BWI
1 stop6h 45m
United Airlines
Wed 3/410:30 am
BWI
-
BOI
2 stops12h 25m
United Airlines
Deal found 1/27$262
This Delta deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/37:30 pm
BOI
-
PHL
1 stop8h 35m
Delta
Tue 6/93:10 pm
PHL
-
BOI
2 stops10h 46m
Delta
Deal found 1/28$262
This United Airlines deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/241:44 pm
GEG
-
PHL
1 stop6h 48m
United Airlines
Tue 3/310:06 am
PHL
-
GEG
2 stops14h 11m
United Airlines
Deal found 1/27$262

Find flight deals from Idaho to Maryland

Keep the following information in mind while searching for Idaho to Maryland flight deals. Data was last updated January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$257
(Alaska Airlines)

One-way from

$111
(Frontier)

Popular in

January

Cheapest in

August

Average price

$1,006
Provider with most accurate pricing for Boise Air Term. Gowen Fld-Washington, D.C. (WAS) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Boise Air Term. Gowen Fld-Washington, D.C. (WAS) flights.
Search Deals
From Idaho to Maryland
Search Deals
One-way flight from Idaho to Maryland
Search Deals
Highest demand for flights based on searches. 28% potential increase in price ($181 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 12% potential price decrease ($51 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Idaho to Maryland that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 29, 2026.
Use the filters below to find and compare flights from Idaho to Maryland that are best for you.

Fly from

Idaho

Fly to

Maryland

Route

Depart

Return

Price

BoiseWashington, D.C.

BOI - IAD

BOIIAD

Boise Air Term. Gowen Fld

Sat 3/7

1:51 pm-11:10 pm

1 stop7h 19m

Washington, D.C. Dulles Intl

Sat 3/14

7:00 am-1:05 pm

1 stop8h 05m

$257

BoiseWashington, D.C.

BOI - IAD

BOIIAD

Boise Air Term. Gowen Fld

Tue 2/24

6:28 am-5:20 pm

1 stop8h 52m

Washington, D.C. Dulles Intl

Tue 3/3

7:05 am-3:08 pm

1 stop10h 03m

$257

BoiseWashington, D.C.

BOI - IAD

BOIIAD

Boise Air Term. Gowen Fld

Wed 2/25

5:00 am-1:05 pm

1 stop6h 05m

Washington, D.C. Dulles Intl

Wed 3/4

2:36 pm-11:38 pm

1 stop11h 02m

$257

BoiseWashington, D.C.

BOI - IAD

BOIIAD

Boise Air Term. Gowen Fld

Tue 3/10

1:40 pm-12:27 am

1 stop8h 47m

Washington, D.C. Dulles Intl

Sat 3/14

7:00 am-4:00 pm

1 stop11h 00m

$257

SpokaneWashington, D.C.

GEG - IAD

GEGIAD

Spokane

Wed 2/25

5:00 am-3:44 pm

1 stop7h 44m

Washington, D.C. Dulles Intl

Wed 3/4

12:35 pm-9:07 pm

1 stop11h 32m

$257

SpokaneBaltimore

GEG - BWI

GEGBWI

Spokane

Wed 2/25

8:29 pm-5:46 pm

1 stop18h 17m

Baltimore/Washington

Wed 3/4

6:46 pm-11:59 pm

1 stop8h 13m

$257

SpokaneWashington, D.C.

GEG - IAD

GEGIAD

Spokane

Wed 2/18

11:22 am-11:10 pm

1 stop8h 48m

Washington, D.C. Dulles Intl

Wed 2/25

7:30 am-2:58 pm

1 stop10h 28m

$257

SpokaneWashington, D.C.

GEG - DCA

GEGDCA

Spokane

Wed 2/18

12:48 pm-11:32 pm

1 stop7h 44m

Washington, D.C. Reagan-National

Wed 2/25

4:44 pm-12:04 am

1 stop10h 20m

$257

BoiseBaltimore

BOI - BWI

BOIBWI

Boise Air Term. Gowen Fld

Wed 4/15

2:18 pm-12:38 am

1 stop8h 20m

Baltimore/Washington

Sat 4/18

7:00 am-1:07 pm

1 stop8h 07m

$257

BoisePhiladelphia

BOI - PHL

BOIPHL

Boise Air Term. Gowen Fld

Wed 6/3

7:30 pm-6:05 am

1 stop8h 35m

Philadelphia

Tue 6/9

6:40 pm-11:56 pm

1 stop7h 16m

$257

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

Showing 1-10 of 60 results
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Best time to book a flight from Idaho to Maryland

Have a flexible travel schedule? Discover the best time to fly to Maryland from Idaho with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Idaho to Maryland

What is the cheapest month to book a flight from Idaho to Maryland?

Currently, September is the cheapest month in which you can book a flight from Idaho to Maryland (average of $225). Flying from Idaho to Maryland in November is currently the most expensive (average of $373). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Maryland

Get insights into the airlines that provide service to Maryland. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Maryland. Reviews last updated January 29, 2026.
Read reviews from past customers who have flown Southwest, Delta, and United Airlines from Idaho to Maryland. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.0
Very good
4,267 reviews

Comfort

8.0

Crew

8.6

Boarding

8.1

Food

7.0

Entertainment

7.5

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Southwest
8.0
Very good
4,267 reviews
Southwest
8.0
Very good
4,267 reviews

Comfort

8.0

Crew

8.6

Boarding

8.1

Food

7.0

Entertainment

7.5

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
Delta
7.9
Good
8,127 reviews
Southwest
8.0
Very good
4,267 reviews

Comfort

8.0

Crew

8.6

Boarding

8.1

Food

7.0

Entertainment

7.5

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am
United Airlines
7.4
Good
9,215 reviews
Southwest
8.0
Very good
4,267 reviews

Comfort

8.0

Crew

8.6

Boarding

8.1

Food

7.0

Entertainment

7.5

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Thomas,Dec 2025

SEA - DEN

Plane two hours late in leaving 1:00 pm west coat time got home next day at 2:45am most car rental places are closed and don’t open till 5am

Related info for your journey

Find useful and relevant information for your journey from Idaho to Maryland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Idaho to Maryland?

    A quick flight from Idaho to Maryland can take about 6h 05m. Delta provides one of the quickest options available for as low as $257. The distance from Idaho to Maryland is about 2019 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Idaho to Maryland one-way?

    For one-way options, check prices for United Airlines. According to our data, you can fly for as low as $130. Users have also found prices from $143 and $158 on Delta and Southwest, respectively.

  • Can I find deals for flights from Idaho to Maryland that include hotel bookings?

    Yes. In addition to deals on Idaho to Maryland flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Idaho to Maryland?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Idaho to Maryland.

  • Can I find deals for business class flights from Idaho to Maryland?

    Yes. Cheapflights offers flight deals from Idaho to Maryland by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Idaho to Maryland?

    Currently, September is the cheapest month in which you can book a flight from Idaho to Maryland (average of $225). Flying from Idaho to Maryland in November is currently the most expensive (average of $373). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Idaho to Maryland

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from Idaho to Maryland

Discover the top 3 airlines that operate flights from Idaho to Maryland. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$268Average$514FlexibilityNo cancel feeOn-time69%
DeltaCheapest$286Average$416FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$340Average$436FlexibilityNo cancel feeOn-time63%

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