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Idaho

$100+ Cheap flights from Maryland to Idaho

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 9/10. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — BOI
Jun 18 — Jun 251
Wed 6/18
Wed 6/25
1 adult, Economy
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Cheap flight deals from Maryland to Idaho

Keep the following information in mind while searching for Maryland to Idaho flight deals. Data was last updated June 13, 2025.

Round-trip from

$199
(Southwest)

One-way from

$100
(Delta)

Popular in

December

Cheapest in

April

Average price

$442
From Maryland to Idaho
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One-way flight from Maryland to Idaho
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Highest demand for flights based on searches. 19% potential increase in price ($105 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($26 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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Find flight deals from Maryland to Idaho

Cheapest flights from Maryland to Idaho
Explore the most affordable flight options available from Maryland to Idaho. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 13, 2025.

This Southwest deal was found by Cheapflights users on 6/12. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/96:05 pmBWI - GEG
1 stop7h 25mSouthwest
Sat 9/136:25 amGEG - BWI
1 stop8h 45mSouthwest
Deal found 6/12$199
This Alaska Airlines deal was found by Cheapflights users on 6/12. 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 9/167:00 amBWI - GEG
1 stop8h 43mAlaska Airlines
Thu 9/255:46 pmGEG - BWI
1 stop8h 47mAlaska Airlines
Deal found 6/12$210
This FlightHub deal was found by Cheapflights users on 6/11. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/256:30 amPHL - BOI
1 stop16h 14mSpirit Airlines
Sat 9/69:49 pmBOI - PHL
1 stop29h 43mSpirit Airlines
Deal found 6/11$278
This Hawaiian Airlines deal was found by Cheapflights users on 6/10. 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 9/97:00 amIAD - BOI
1 stop10h 00mHawaiian Airlines
Tue 9/167:17 pmBOI - IAD
1 stop10h 15mHawaiian Airlines
Deal found 6/10$284
This American Airlines deal was found by Cheapflights users on 6/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/122:46 pmBWI - GEG
2 stops11h 06mAmerican Airlines
Sat 9/2012:35 pmGEG - BWI
1 stop7h 47mAmerican Airlines
Deal found 6/12$284
This Hawaiian Airlines deal was found by Cheapflights users on 6/11. 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 8/268:00 amDCA - BOI
1 stop9h 00mHawaiian Airlines
Wed 8/276:00 amBOI - DCA
1 stop8h 06mHawaiian Airlines
Deal found 6/11$284
This American Airlines deal was found by Cheapflights users on 6/11. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/166:27 amIAD - BOI
1 stop8h 19mAmerican Airlines
Tue 8/197:00 amBOI - IAD
1 stop9h 56mAmerican Airlines
Deal found 6/11$285
This Delta deal was found by Cheapflights users on 6/11. 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 8/64:59 pmDCA - BOI
1 stop9h 04mDelta
Wed 8/136:00 amBOI - DCA
1 stop8h 10mDelta
Deal found 6/11$285
This United Airlines deal was found by Cheapflights users on 6/11. 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.
Mon 8/255:47 pmIAD - BOI
1 stop6h 34mUnited Airlines
Tue 8/267:45 amBOI - IAD
1 stop9h 07mUnited Airlines
Deal found 6/11$286
This Delta deal was found by Cheapflights users on 6/10. 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 8/273:26 pmIAD - BOI
2 stops9h 34mDelta
Sun 8/316:00 amBOI - IAD
2 stops10h 49mDelta
Deal found 6/10$295
This United Airlines deal was found by Cheapflights users on 6/10. 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.
Fri 7/115:00 pmDCA - GEG
1 stop7h 59mUnited Airlines
Mon 7/147:25 amGEG - DCA
1 stop11h 02mUnited Airlines
Deal found 6/10$296
This Alaska Airlines deal was found by Cheapflights users on 6/10. 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 9/96:58 pmPHL - BOI
1 stop16h 30mAlaska Airlines
Wed 9/175:45 pmBOI - PHL
1 stop10h 15mAlaska Airlines
Deal found 6/10$296

Cheapflights Fare Finder

Customize your flight search to find flights from Maryland to Idaho 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 June 13, 2025.
Use the filters below to find and compare flights from Maryland to Idaho that are best for you.

Fly from

Maryland

Fly to

Idaho

Route

Depart

Return

Price

BaltimoreSpokane

BWI - GEG

BWIGEG

Baltimore/Washington

Tue 9/9

6:05 pm-10:30 pm

1 stop7h 25m

Spokane

Sat 9/13

6:25 am-6:10 pm

1 stop8h 45m

$199

PhiladelphiaBoise

PHL - BOI

PHLBOI

Philadelphia

Mon 8/25

6:30 am-8:44 pm

1 stop16h 14m

Boise Air Term. Gowen Fld

Sat 9/6

9:49 pm-5:32 am

1 stop29h 43m

$278

BaltimoreSpokane

BWI - GEG

BWIGEG

Baltimore/Washington

Thu 7/10

10:05 am-5:27 pm

1 stop10h 22m

Spokane

Thu 7/17

6:25 pm-5:10 am

1 stop7h 45m

$279

Washington, D.C.Boise

IAD - BOI

IADBOI

Washington, D.C. Dulles Intl

Tue 9/9

7:00 am-3:00 pm

1 stop10h 00m

Boise Air Term. Gowen Fld

Tue 9/16

7:17 pm-7:32 am

1 stop10h 15m

$284

Washington, D.C.Boise

DCA - BOI

DCABOI

Washington, D.C. Reagan-National

Tue 8/26

8:00 am-3:00 pm

1 stop9h 00m

Boise Air Term. Gowen Fld

Wed 8/27

6:00 am-4:06 pm

1 stop8h 06m

$284

Washington, D.C.Boise

IAD - BOI

IADBOI

Washington, D.C. Dulles Intl

Sat 8/16

6:27 am-12:46 pm

1 stop8h 19m

Boise Air Term. Gowen Fld

Tue 8/19

7:00 am-6:56 pm

1 stop9h 56m

$285

Washington, D.C.Boise

DCA - BOI

DCABOI

Washington, D.C. Reagan-National

Wed 8/6

4:59 pm-12:03 am

1 stop9h 04m

Boise Air Term. Gowen Fld

Wed 8/13

6:00 am-4:10 pm

1 stop8h 10m

$285

Washington, D.C.Boise

IAD - BOI

IADBOI

Washington, D.C. Dulles Intl

Mon 8/25

5:47 pm-10:21 pm

1 stop6h 34m

Boise Air Term. Gowen Fld

Tue 8/26

7:45 am-6:52 pm

1 stop9h 07m

$286

Washington, D.C.Boise

IAD - BOI

IADBOI

Washington, D.C. Dulles Intl

Wed 8/27

3:26 pm-11:00 pm

2 stops9h 34m

Boise Air Term. Gowen Fld

Sun 8/31

6:00 am-6:49 pm

2 stops10h 49m

$295

PhiladelphiaBoise

PHL - BOI

PHLBOI

Philadelphia

Tue 9/9

6:58 pm-9:28 am

1 stop16h 30m

Boise Air Term. Gowen Fld

Wed 9/17

5:45 pm-6:00 am

1 stop10h 15m

$296

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

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

Have a flexible travel schedule? Discover the best time to fly to Idaho from Maryland 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 Maryland to Idaho

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

Currently, October is the cheapest month in which you can book a flight from Maryland to Idaho (average of $314). Flying from Maryland to Idaho in June is currently the most expensive (average of $395). 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 MD to ID?

Find hourly flight availability from Maryland to Idaho. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated June 13, 2025.

When flying from Maryland to Idaho, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Idaho by month

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

In terms of precipitation, rainfall in Idaho ranges from 0.2 - 1.6 inches per month. December is typically the wettest month, when rainfall can reach 1.6 in. August is typically the driest time to visit Idaho when rainfall is around 0.2 in.

Temperature in Idaho by month

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

If weather is an important factor for your trip to Idaho, 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 75.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 30.2 F).

Reviews of airlines servicing Idaho

Get insights into the airlines that provide service to Idaho. 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 Idaho. Reviews last updated June 13, 2025.
To help decide which airline to fly from Maryland to Idaho, 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
10,000 reviews

Boarding

8.1

Food

7.1

Comfort

7.8

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Comfort

7.8

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,286 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Comfort

7.8

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,951 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Comfort

7.8

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Hawaiian Airlines
7.9
Good
2,496 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Comfort

7.8

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,791 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Food

7.1

Comfort

7.8

Overall

8.0

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Related info for your journey

Find useful and relevant information for your journey from Maryland to Idaho. 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 Maryland to Idaho one-way?

    $100 is the cheapest one-way deal found within the past few days, from Delta. You may also be able to find cheap deals on American Airlines and Southwest, with prices starting from $100 and $105, respectively.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Maryland to Idaho 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 Maryland to Idaho?

    Currently, October is the cheapest month in which you can book a flight from Maryland to Idaho (average of $314). Flying from Maryland to Idaho in June is currently the most expensive (average of $395). 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 Maryland to Idaho

See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from Maryland to Idaho

Discover the top 4 airlines that operate flights from Maryland to Idaho. 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 June 13, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$230Average$471FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$278Average$655FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$334Average$825FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$347Average$488FlexibilityNo cancel feeOn-time63%

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