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Idaho

$106+ Cheap flights from Baltimore (BWI) 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 4/24. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — BOI
Apr 2 — Apr 91
Wed 4/2
Wed 4/9
1 adult, Economy
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Cheap flight deals from Baltimore to Idaho

Keep the following information in mind while searching for Baltimore to Idaho flight deals. Data was last updated March 28, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$254
(FlightHub)

One-way from

$106
(Mytrip)

Popular in

December

Cheapest in

February

Average price

$558
Provider with most accurate pricing for Washington, D.C. (WAS)-Boise Air Term. Gowen Fld flight deals.
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Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Boise Air Term. Gowen Fld flights.
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From Baltimore/Washington to Idaho
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One-way flight from Baltimore/Washington to Idaho
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Highest demand for flights based on searches. 9% potential increase in price ($48 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($21 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Find flight deals from Baltimore to Idaho

Cheapest flights from Baltimore to Idaho
Explore the most affordable flight options available from Baltimore to Idaho. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 28, 2025.

This FlightHub deal was found by Cheapflights users on 3/26. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/186:51 amBWI - BOI
1 stop8h 06mSpirit Airlines
Fri 4/251:52 pmBOI - BWI
1 stop13h 54mSpirit Airlines
Deal found 3/26$254
This Alaska Airlines deal was found by Cheapflights users on 3/27. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/237:05 pmBWI - BOI
1 stop17h 20mAlaska Airlines
Sun 4/272:41 pmBOI - BWI
1 stop13h 05mAlaska Airlines
Deal found 3/27$263
This Delta deal was found by Cheapflights users on 3/27. 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 4/225:50 amBWI - BOI
1 stop9h 30mDelta
Sat 4/263:30 pmBOI - BWI
1 stop6h 29mDelta
Deal found 3/27$264
This United Airlines deal was found by Cheapflights users on 3/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/295:07 pmBWI - BOI
1 stop7h 42mUnited Airlines
Sun 8/317:09 pmBOI - BWI
1 stop8h 29mUnited Airlines
Deal found 3/26$279
This United Airlines deal was found by Cheapflights users on 3/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/278:15 amBWI - WYS
1 stop6h 57mUnited Airlines
Thu 9/41:48 pmWYS - BWI
1 stop7h 12mUnited Airlines
Deal found 3/26$292
This Alaska Airlines deal was found by Cheapflights users on 3/26. 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.
Wed 5/287:05 pmBWI - GEG
1 stop7h 49mAlaska Airlines
Tue 6/39:30 amGEG - BWI
1 stop17h 59mAlaska Airlines
Deal found 3/26$296
This Delta deal was found by Cheapflights users on 3/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/76:15 amBWI - GEG
1 stop9h 31mDelta
Wed 6/117:05 pmGEG - BWI
1 stop7h 43mDelta
Deal found 3/26$297
This American Airlines deal was found by Cheapflights users on 3/26. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/310:53 amBWI - GEG
2 stops13h 00mAmerican Airlines
Sat 6/76:00 amGEG - BWI
2 stops11h 51mAmerican Airlines
Deal found 3/26$307
This Mytrip deal was found by Cheapflights users on 3/27. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/246:10 amBWI - GEG
2 stops17h 13mMultiple Airlines
Thu 5/19:35 amGEG - BWI
1 stop17h 11mMultiple Airlines
Deal found 3/27$337
This American Airlines deal was found by Cheapflights users on 3/27. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/201:04 pmBWI - BOI
2 stops10h 10mAmerican Airlines
Sat 9/275:18 pmBOI - BWI
2 stops13h 18mAmerican Airlines
Deal found 3/27$337
This Southwest deal was found by Cheapflights users on 3/26. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/284:00 pmBWI - GEG
2 stops9h 55mSouthwest
Tue 6/33:20 pmGEG - BWI
2 stops10h 40mSouthwest
Deal found 3/26$338
This Southwest deal was found by Cheapflights users on 3/25. 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 6/178:00 pmBWI - BOI
2 stops16h 40mSouthwest
Wed 6/257:05 pmBOI - BWI
1 stop8h 10mSouthwest
Deal found 3/25$348

Cheapflights Fare Finder

Customize your flight search to find flights from Baltimore 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 March 28, 2025.
Use the filters below to find and compare flights from Baltimore to Idaho that are best for you.

Fly from

Baltimore

Fly to

Idaho

Route

Depart

Return

Price

BaltimoreBoise

BWI - BOI

BWIBOI

Baltimore/Washington

Fri 4/18

6:51 am-12:57 pm

1 stop8h 06m

Boise Air Term. Gowen Fld

Fri 4/25

1:52 pm-5:46 am

1 stop13h 54m

$254

BaltimoreBoise

BWI - BOI

BWIBOI

Baltimore/Washington

Wed 4/23

7:05 pm-10:25 am

1 stop17h 20m

Boise Air Term. Gowen Fld

Sun 4/27

2:41 pm-5:46 am

1 stop13h 05m

$263

BaltimoreBoise

BWI - BOI

BWIBOI

Baltimore/Washington

Tue 4/22

5:50 am-1:20 pm

1 stop9h 30m

Boise Air Term. Gowen Fld

Sat 4/26

3:30 pm-11:59 pm

1 stop6h 29m

$264

BaltimoreBoise

BWI - BOI

BWIBOI

Baltimore/Washington

Tue 4/29

5:07 pm-10:49 pm

1 stop7h 42m

Boise Air Term. Gowen Fld

Sun 8/31

7:09 pm-5:38 am

1 stop8h 29m

$279

BaltimoreSpokane

BWI - GEG

BWIGEG

Baltimore/Washington

Wed 5/28

7:05 pm-11:54 pm

1 stop7h 49m

Spokane

Tue 6/3

9:30 am-6:29 am

1 stop17h 59m

$296

BaltimoreSpokane

BWI - GEG

BWIGEG

Baltimore/Washington

Sat 6/7

6:15 am-12:46 pm

1 stop9h 31m

Spokane

Wed 6/11

7:05 pm-5:48 am

1 stop7h 43m

$297

BaltimoreSpokane

BWI - GEG

BWIGEG

Baltimore/Washington

Tue 6/3

10:53 am-8:53 pm

2 stops13h 00m

Spokane

Sat 6/7

6:00 am-8:51 pm

2 stops11h 51m

$307

BaltimoreSpokane

BWI - GEG

BWIGEG

Baltimore/Washington

Thu 4/24

6:10 am-8:23 pm

2 stops17h 13m

Spokane

Thu 5/1

9:35 am-5:46 am

1 stop17h 11m

$337

BaltimoreSpokane

BWI - GEG

BWIGEG

Baltimore/Washington

Wed 5/28

4:00 pm-10:55 pm

2 stops9h 55m

Spokane

Tue 6/3

3:20 pm-5:00 am

2 stops10h 40m

$338

BaltimoreBoise

BWI - BOI

BWIBOI

Baltimore/Washington

Tue 6/17

8:00 pm-10:40 am

2 stops16h 40m

Boise Air Term. Gowen Fld

Wed 6/25

7:05 pm-5:15 am

1 stop8h 10m

$348

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/27

Showing 1-10 of 51 results
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Best time to book a flight from Baltimore to Idaho

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

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

Currently, October is the cheapest month in which you can book a flight from Baltimore to Idaho (average of $314). Flying from Baltimore to Idaho in June is currently the most expensive (average of $421). 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 BWI to ID?

Find hourly flight availability from Baltimore 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 March 28, 2025.

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

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 March 28, 2025.
Read through reviews of airlines operating flights from Baltimore to Idaho, such as Southwest, Alaska Airlines and Delta. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,273 reviews

Crew

8.6

Boarding

8.2

Overall

8.1

Food

7.1

Comfort

8.1

Entertainment

7.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Southwest
8.1
Very good
4,273 reviews
Southwest
8.1
Very good
4,273 reviews

Crew

8.6

Boarding

8.2

Overall

8.1

Food

7.1

Comfort

8.1

Entertainment

7.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Alaska Airlines
8.0
Very good
9,798 reviews
Southwest
8.1
Very good
4,273 reviews

Crew

8.6

Boarding

8.2

Overall

8.1

Food

7.1

Comfort

8.1

Entertainment

7.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Delta
8.0
Very good
7,896 reviews
Southwest
8.1
Very good
4,273 reviews

Crew

8.6

Boarding

8.2

Overall

8.1

Food

7.1

Comfort

8.1

Entertainment

7.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Hawaiian Airlines
7.9
Good
2,336 reviews
Southwest
8.1
Very good
4,273 reviews

Crew

8.6

Boarding

8.2

Overall

8.1

Food

7.1

Comfort

8.1

Entertainment

7.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
United Airlines
7.4
Good
8,603 reviews
Southwest
8.1
Very good
4,273 reviews

Crew

8.6

Boarding

8.2

Overall

8.1

Food

7.1

Comfort

8.1

Entertainment

7.6

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

Related info for your journey

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

  • What airport do you fly from for flights from Baltimore to Idaho?

    Most people fly from Baltimore/Washington (BWI) if they book a flight from Baltimore to Idaho. Baltimore/Washington is conveniently located just 8.5 mi from Baltimore’s city center.

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

    For one-way options, check prices for Spirit Airlines. According to our data, you can fly for as low as $106. Users have also found prices from $149 and $149 on Delta and American Airlines, respectively.

  • What are the most popular routes from Baltimore to Idaho?

    The most popular route from Baltimore to Idaho is Baltimore/Washington - Jackson Hole. You may also consider Baltimore/Washington - Boise Air Term. Gowen Fld or Baltimore/Washington - Spokane.

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

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

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

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

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

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

    Currently, October is the cheapest month in which you can book a flight from Baltimore to Idaho (average of $314). Flying from Baltimore to Idaho in June is currently the most expensive (average of $421). 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 Baltimore to Idaho

See prices for flight routes from nearby airports that may be better suited for you.
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Top 5 airlines flying from Baltimore to Idaho

Discover the top 5 airlines that operate flights from Baltimore 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 March 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$180Average$295FlexibilityNo cancel feeOn-time65%
DeltaCheapest$230Average$475FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$298Average$663FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$334Average$618FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$347Average$483FlexibilityNo cancel feeOn-time63%
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