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$105+ Cheap flights from Idaho to Baltimore (BWI)

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 2 — Apr 91
Wed 4/2
Wed 4/9
1 adult, Economy
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Cheap flight deals from Idaho to Baltimore

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

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$297
(Delta)

One-way from

$105
(Mytrip)

Popular in

March

Cheapest in

February

Average price

$589
Provider with most accurate pricing for Boise Air Term. Gowen Fld-Washington, D.C. (WAS) flight deals.
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Provider most trusted by Cheapflights users for Boise Air Term. Gowen Fld-Washington, D.C. (WAS) flights.
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From Idaho to Baltimore/Washington
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One-way flight from Idaho to Baltimore/Washington
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High demand for flights, 6% potential price rise
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Cheapest flight prices on average. 2% potential price decrease ($11 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 Idaho to Baltimore

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

This Delta deal was found by Cheapflights users on 3/28. 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 4/232:15 pmGEG - BWI
1 stop6h 44mDelta
Wed 4/307:05 amBWI - GEG
1 stop8h 02mDelta
Deal found 3/28$297
This Alaska Airlines deal was found by Cheapflights users on 3/28. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/75:49 pmGEG - BWI
1 stop8h 57mAlaska Airlines
Fri 5/97:05 pmBWI - GEG
1 stop7h 54mAlaska Airlines
Deal found 3/28$321
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/73:20 pmGEG - BWI
2 stops10h 40mSouthwest
Fri 5/99:30 pmBWI - GEG
1 stop15h 35mSouthwest
Deal found 3/27$333
This United 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/46:00 amGEG - BWI
1 stop8h 30mUnited Airlines
Wed 5/76:35 amBWI - GEG
1 stop11h 06mUnited Airlines
Deal found 3/27$347
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/33:00 pmBOI - BWI
2 stops12h 20mSouthwest
Thu 6/122:40 pmBWI - BOI
1 stop10h 40mSouthwest
Deal found 3/27$352
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 4/226:55 pmIDA - BWI
1 stop8h 55mDelta
Tue 4/297:05 amBWI - IDA
1 stop7h 21mDelta
Deal found 3/27$361
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 6/286:00 amGEG - BWI
1 stop9h 50mAmerican Airlines
Sat 7/56:00 amBWI - GEG
1 stop9h 35mAmerican Airlines
Deal found 3/27$378
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.
Sun 5/1811:59 pmBOI - BWI
1 stop7h 11mDelta
Wed 5/216:15 amBWI - BOI
1 stop9h 31mDelta
Deal found 3/27$388
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.
Sun 5/49:35 amGEG - BWI
2 stops28h 43mMultiple Airlines
Wed 5/72:59 pmBWI - GEG
2 stops20h 46mMultiple Airlines
Deal found 3/27$390
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.
Mon 4/71:31 pmBOI - BWI
2 stops19h 08mSpirit Airlines
Tue 4/155:55 amBWI - BOI
3 stops33h 02mSpirit Airlines
Deal found 3/27$392
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.
Fri 4/114:26 pmBOI - BWI
2 stops26h 01mMultiple Airlines
Tue 4/156:10 amBWI - BOI
2 stops32h 47mMultiple Airlines
Deal found 3/27$398
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 9/2411:45 amJAC - BWI
1 stop16h 46mAlaska Airlines
Sun 9/287:51 amBWI - JAC
1 stop29h 14mAlaska Airlines
Deal found 3/26$406

Cheapflights Fare Finder

Customize your flight search to find flights from Idaho to Baltimore 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 Idaho to Baltimore that are best for you.

Fly from

Idaho

Fly to

Baltimore

Route

Depart

Return

Price

SpokaneBaltimore

GEG - BWI

GEGBWI

Spokane

Wed 4/23

2:15 pm-11:59 pm

1 stop6h 44m

Baltimore/Washington

Wed 4/30

7:05 am-12:07 pm

1 stop8h 02m

$297

SpokaneBaltimore

GEG - BWI

GEGBWI

Spokane

Wed 5/7

5:49 pm-5:46 am

1 stop8h 57m

Baltimore/Washington

Fri 5/9

7:05 pm-11:59 pm

1 stop7h 54m

$321

SpokaneBaltimore

GEG - BWI

GEGBWI

Spokane

Wed 5/7

3:20 pm-5:00 am

2 stops10h 40m

Baltimore/Washington

Fri 5/9

9:30 pm-10:05 am

1 stop15h 35m

$333

SpokaneBaltimore

GEG - BWI

GEGBWI

Spokane

Sun 5/4

6:00 am-5:30 pm

1 stop8h 30m

Baltimore/Washington

Wed 5/7

6:35 am-2:41 pm

1 stop11h 06m

$347

BoiseBaltimore

BOI - BWI

BOIBWI

Boise Air Term. Gowen Fld

Tue 6/3

3:00 pm-5:20 am

2 stops12h 20m

Baltimore/Washington

Thu 6/12

2:40 pm-11:20 pm

1 stop10h 40m

$352

Idaho FallsBaltimore

IDA - BWI

IDABWI

Idaho Falls Fanning Field

Tue 4/22

6:55 pm-5:50 am

1 stop8h 55m

Baltimore/Washington

Tue 4/29

7:05 am-12:26 pm

1 stop7h 21m

$361

SpokaneBaltimore

GEG - BWI

GEGBWI

Spokane

Sat 6/28

6:00 am-6:50 pm

1 stop9h 50m

Baltimore/Washington

Sat 7/5

6:00 am-12:35 pm

1 stop9h 35m

$378

BoiseBaltimore

BOI - BWI

BOIBWI

Boise Air Term. Gowen Fld

Sun 5/18

11:59 pm-9:10 am

1 stop7h 11m

Baltimore/Washington

Wed 5/21

6:15 am-1:46 pm

1 stop9h 31m

$388

SpokaneBaltimore

GEG - BWI

GEGBWI

Spokane

Sun 5/4

9:35 am-5:18 pm

2 stops28h 43m

Baltimore/Washington

Wed 5/7

2:59 pm-8:45 am

2 stops20h 46m

$390

BoiseBaltimore

BOI - BWI

BOIBWI

Boise Air Term. Gowen Fld

Mon 4/7

1:31 pm-10:39 am

2 stops19h 08m

Baltimore/Washington

Tue 4/15

5:55 am-12:57 pm

3 stops33h 02m

$392

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/28

Showing 1-10 of 46 results
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Best time to book a flight from Idaho to Baltimore

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

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

Currently, August is the cheapest month in which you can book a flight from Idaho to Baltimore (average of $241). Flying from Idaho to Baltimore 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 BWI?

Find hourly flight availability from Idaho to Baltimore. 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.

When flying from Idaho to Baltimore, 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 Baltimore by month

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

In terms of precipitation, rainfall in Baltimore 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 Baltimore when rainfall is around 2.9 in.

Temperature in Baltimore by month

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

If weather is an important factor for your trip to Baltimore, 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 Baltimore

Get insights into the airlines that provide service to Baltimore. 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 Baltimore. Reviews last updated March 28, 2025.
Read reviews from past customers who have flown Southwest, Alaska Airlines and Delta from Idaho to Baltimore. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.1
Very good
4,274 reviews

Comfort

8.1

Crew

8.7

Food

7.1

Entertainment

7.6

Boarding

8.2

Overall

8.1

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
4,274 reviews
Southwest
8.1
Very good
4,274 reviews

Comfort

8.1

Crew

8.7

Food

7.1

Entertainment

7.6

Boarding

8.2

Overall

8.1

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
4,274 reviews

Comfort

8.1

Crew

8.7

Food

7.1

Entertainment

7.6

Boarding

8.2

Overall

8.1

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
7,897 reviews
Southwest
8.1
Very good
4,274 reviews

Comfort

8.1

Crew

8.7

Food

7.1

Entertainment

7.6

Boarding

8.2

Overall

8.1

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
4,274 reviews

Comfort

8.1

Crew

8.7

Food

7.1

Entertainment

7.6

Boarding

8.2

Overall

8.1

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
4,274 reviews

Comfort

8.1

Crew

8.7

Food

7.1

Entertainment

7.6

Boarding

8.2

Overall

8.1

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 Idaho to Baltimore. 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 into for flights to Baltimore from Idaho?

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

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

    The cheapest airline one-way is Spirit Airlines, with whom users have recently found tickets for as low as $106. However, be on the lookout for offers from Hawaiian Airlines and Delta, as they are both options that can get you from Idaho to Baltimore for a low price.

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

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

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Idaho to Baltimore (average of $241). Flying from Idaho to Baltimore 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

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Alternative routes for Idaho to Baltimore

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

Discover the top 4 airlines that operate flights from Idaho to Baltimore. 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$141Average$292FlexibilityNo cancel feeOn-time65%
United AirlinesCheapest$305Average$704FlexibilityNo cancel feeOn-time69%
DeltaCheapest$306Average$503FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$355Average$461FlexibilityNo cancel feeOn-time63%
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