HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Maryland

$99+ 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 5/30. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — BWI
Apr 7 — Apr 141
Mon 4/7
Mon 4/14
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Idaho to Maryland with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Idaho to Maryland

Keep the following information in mind while searching for Idaho to Maryland flight deals. Data was last updated April 2, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$252
(Alaska Airlines)

One-way from

$99
(Mytrip)

Popular in

March

Cheapest in

February

Average price

$384
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
High demand for flights, 6% potential price rise
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($11 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2025
Search Deals

Find 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 April 2, 2025.

This Alaska Airlines deal was found by Cheapflights users on 4/1. 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 4/158:00 amBOI - BWI
1 stop8h 03mAlaska Airlines
Thu 4/247:06 amBWI - BOI
1 stop10h 39mAlaska Airlines
Deal found 4/1$252
This Expedia deal was found by Cheapflights users on 4/1. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/301:52 pmBOI - BWI
1 stop13h 54mMultiple Airlines
Wed 5/77:06 amBWI - BOI
1 stop8h 41mMultiple Airlines
Deal found 4/1$260
This Mytrip deal was found by Cheapflights users on 4/1. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/301:52 pmBOI - BWI
1 stop13h 54mSpirit Airlines
Wed 5/78:44 pmBWI - BOI
3 stops40h 37mSpirit Airlines
Deal found 4/1$294
This Alaska Airlines deal was found by Cheapflights users on 4/1. 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.
Wed 4/166:52 pmBOI - IAD
1 stop8h 42mAlaska Airlines
Sat 4/197:00 amIAD - BOI
1 stop8h 52mAlaska Airlines
Deal found 4/1$295
This Delta deal was found by Cheapflights users on 4/1. 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 5/217:00 amGEG - DCA
1 stop7h 59mDelta
Sun 5/254:59 pmDCA - GEG
1 stop8h 32mDelta
Deal found 4/1$297
This United Airlines deal was found by Cheapflights users on 4/1. 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 5/217:10 pmBOI - BWI
1 stop10h 07mUnited Airlines
Sun 5/256:15 amBWI - BOI
1 stop11h 44mUnited Airlines
Deal found 4/1$297
This Delta deal was found by Cheapflights users on 4/1. 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 4/232:15 pmGEG - BWI
1 stop6h 44mDelta
Tue 4/297:05 amBWI - GEG
1 stop8h 02mDelta
Deal found 4/1$297
This Alaska Airlines deal was found by Cheapflights users on 3/31. 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.
Sat 9/278:48 pmGEG - IAD
1 stop7h 44mAlaska Airlines
Sat 10/114:15 pmIAD - GEG
1 stop9h 18mAlaska Airlines
Deal found 3/31$298
This Frontier deal was found by Cheapflights users on 4/1. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/312:36 pmBOI - DCA
1 stop7h 23mFrontier
Tue 6/107:00 amDCA - BOI
1 stop6h 47mFrontier
Deal found 4/1$298
This Hawaiian Airlines deal was found by Cheapflights users on 4/1. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/299:18 amBOI - DCA
1 stop10h 41mHawaiian Airlines
Tue 5/68:00 amDCA - BOI
1 stop10h 55mHawaiian Airlines
Deal found 4/1$300
This Delta deal was found by Cheapflights users on 4/1. 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.
Sun 4/2711:30 pmBOI - IAD
1 stop7h 48mDelta
Wed 4/307:25 amIAD - BOI
1 stop8h 15mDelta
Deal found 4/1$301
This Alaska Airlines deal was found by Cheapflights users on 4/1. 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.
Thu 4/176:37 amBOI - DCA
1 stop8h 18mAlaska Airlines
Wed 4/235:10 pmDCA - BOI
1 stop8h 49mAlaska Airlines
Deal found 4/1$301

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 April 2, 2025.
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

BoiseBaltimore

BOI - BWI

BOIBWI

Boise Air Term. Gowen Fld

Tue 4/15

8:00 am-6:03 pm

1 stop8h 03m

Baltimore/Washington

Thu 4/24

7:06 am-3:45 pm

1 stop10h 39m

$252

BoiseBaltimore

BOI - BWI

BOIBWI

Boise Air Term. Gowen Fld

Wed 4/30

1:52 pm-5:46 am

1 stop13h 54m

Baltimore/Washington

Wed 5/7

7:06 am-1:47 pm

1 stop8h 41m

$260

BoiseBaltimore

BOI - BWI

BOIBWI

Boise Air Term. Gowen Fld

Wed 4/30

1:52 pm-5:46 am

1 stop13h 54m

Baltimore/Washington

Wed 5/7

8:44 pm-11:21 am

3 stops40h 37m

$294

BoiseWashington, D.C.

BOI - IAD

BOIIAD

Boise Air Term. Gowen Fld

Wed 4/16

6:52 pm-5:34 am

1 stop8h 42m

Washington, D.C. Dulles Intl

Sat 4/19

7:00 am-1:52 pm

1 stop8h 52m

$295

SpokaneWashington, D.C.

GEG - DCA

GEGDCA

Spokane

Wed 5/21

7:00 am-5:59 pm

1 stop7h 59m

Washington, D.C. Reagan-National

Sun 5/25

4:59 pm-10:31 pm

1 stop8h 32m

$297

BoiseBaltimore

BOI - BWI

BOIBWI

Boise Air Term. Gowen Fld

Wed 5/21

7:10 pm-7:17 am

1 stop10h 07m

Baltimore/Washington

Sun 5/25

6:15 am-3:59 pm

1 stop11h 44m

$297

SpokaneBaltimore

GEG - BWI

GEGBWI

Spokane

Wed 4/23

2:15 pm-11:59 pm

1 stop6h 44m

Baltimore/Washington

Tue 4/29

7:05 am-12:07 pm

1 stop8h 02m

$297

BoiseWashington, D.C.

BOI - DCA

BOIDCA

Boise Air Term. Gowen Fld

Tue 6/3

12:36 pm-9:59 pm

1 stop7h 23m

Washington, D.C. Reagan-National

Tue 6/10

7:00 am-11:47 am

1 stop6h 47m

$298

SpokaneWashington, D.C.

GEG - IAD

GEGIAD

Spokane

Sat 9/27

8:48 pm-7:32 am

1 stop7h 44m

Washington, D.C. Dulles Intl

Sat 10/11

4:15 pm-10:33 pm

1 stop9h 18m

$298

BoiseWashington, D.C.

BOI - DCA

BOIDCA

Boise Air Term. Gowen Fld

Tue 4/29

9:18 am-9:59 pm

1 stop10h 41m

Washington, D.C. Reagan-National

Tue 5/6

8:00 am-4:55 pm

1 stop10h 55m

$300

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/1

Showing 1-10 of 60 results
1
2
3
...
6

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, August is the cheapest month in which you can book a flight from Idaho to Maryland (average of $241). Flying from Idaho to Maryland in March is currently the most expensive (average of $290). 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.

What is the cheapest time of day to fly from ID to MD?

Find hourly flight availability from Idaho to Maryland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 2, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Idaho to Maryland as you normally would.

Rainfall in Maryland by month

Plan your trip to Maryland by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Maryland ranges from 2.9 - 4.1 inches per month. July is typically the wettest month, when rainfall can reach 4.1 in. February is typically the driest time to visit Maryland when rainfall is around 2.9 in.

Temperature in Maryland by month

Plan your trip to Maryland by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Maryland, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 77.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 33.8 F).

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 April 2, 2025.
To help decide which airline to fly from Idaho to Maryland, see what other customers have to say about Alaska Airlines, Southwest and Delta. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,820 reviews

Comfort

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Alaska Airlines
8.0
Very good
9,820 reviews
Alaska Airlines
8.0
Very good
9,820 reviews

Comfort

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Southwest
8.0
Very good
4,272 reviews
Alaska Airlines
8.0
Very good
9,820 reviews

Comfort

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Delta
8.0
Very good
7,898 reviews
Alaska Airlines
8.0
Very good
9,820 reviews

Comfort

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Hawaiian Airlines
7.9
Good
2,345 reviews
Alaska Airlines
8.0
Very good
9,820 reviews

Comfort

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
United Airlines
7.4
Good
8,616 reviews
Alaska Airlines
8.0
Very good
9,820 reviews

Comfort

7.9

Crew

8.5

Overall

8.0

Boarding

8.2

Entertainment

7.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

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.

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

    For one-way options, check prices for Frontier. According to our data, you can fly for as low as $119. Users have also found prices from $128 and $135 on Spirit Airlines and Alaska Airlines, 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, August is the cheapest month in which you can book a flight from Idaho to Maryland (average of $241). Flying from Idaho to Maryland in March is currently the most expensive (average of $290). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Idaho to Maryland

See prices for flight routes from nearby airports that may be better suited for you.
Newark to Fort Lauderdale flights
John F Kennedy Intl to Miami flights
LaGuardia to Miami flights
LaGuardia to Fort Lauderdale flights
Newark to Miami flights
John F Kennedy Intl to Los Angeles flights
Newark to Orlando flights
Los Angeles to John F Kennedy Intl flights
LaGuardia to Orlando flights
LaGuardia to Dallas/Fort Worth flights
John F Kennedy Intl to Las Vegas flights
Dallas/Fort Worth to Seattle flights
John F Kennedy Intl to Fort Lauderdale flights
Newark to Las Vegas flights
John F Kennedy Intl to Orlando flights
Dallas/Fort Worth to LaGuardia flights
San Francisco to John F Kennedy Intl flights
LaGuardia to O'Hare Intl flights
Dallas/Fort Worth to O'Hare Intl flights
John F Kennedy Intl to Seattle flights
Newark to Seattle flights
LaGuardia to Atlanta flights
Newark to Dallas/Fort Worth flights
John F Kennedy Intl to West Palm Beach flights
Dallas/Fort Worth to Las Vegas flights
Los Angeles to Honolulu flights
Newark to Los Angeles flights
Los Angeles to Newark flights
Newark to Tampa flights
O'Hare Intl to John F Kennedy Intl flights
LaGuardia to Los Angeles flights
Dallas/Fort Worth to Newark flights
O'Hare Intl to LaGuardia flights
O'Hare Intl to Las Vegas flights
Seattle to Las Vegas flights
John F Kennedy Intl to Dallas/Fort Worth flights
John F Kennedy Intl to Sky Harbor Intl flights
John F Kennedy Intl to Denver flights
San Francisco to Newark flights
LaGuardia to Las Vegas flights
Atlanta to LaGuardia flights
Los Angeles to Seattle flights
Los Angeles to LaGuardia flights
John F Kennedy Intl to San Francisco flights
Seattle to Los Angeles flights
Dallas/Fort Worth to Orlando flights
Denver to Las Vegas flights
Newark to New Orleans flights
O'Hare Intl to Dallas/Fort Worth flights
John F Kennedy Intl to O'Hare Intl flights

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 April 2, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$305Average$704FlexibilityNo cancel feeOn-time69%
DeltaCheapest$306Average$458FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$355Average$461FlexibilityNo cancel feeOn-time63%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.