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$101+ 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 5/22. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — BWI
feb. 25 — mar. 41
mar. 2/25
mar. 3/4
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 febrero 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$231
(Delta)

One-way from

$101
(Booking.com)

Popular in

March

Cheapest in

February

Average price

$361
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
Search Deals
One-way flight from Idaho to Baltimore/Washington
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High demand for flights, 0% potential price rise
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Cheapest flight prices on average. 2% potential price decrease ($15 potential savings vs. average RT price).
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Average for round-trip flights in February 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 febrero 20, 2025.

This Delta deal was found by Cheapflights users on 2/20. 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.
mar. 4/152:15 pmBOI - BWI
1 stop8h 26mDelta
mar. 4/228:05 amBWI - BOI
1 stop7h 15mDelta
Deal found 2/20$231
This Mytrip deal was found by Cheapflights users on 2/20. 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.
lun. 4/71:31 pmBOI - BWI
1 stop13h 54mSpirit Airlines
jue. 4/109:29 pmBWI - BOI
1 stop18h 10mSpirit Airlines
Deal found 2/20$234
This American Airlines deal was found by Cheapflights users on 2/20. 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.
mié. 4/165:34 amGEG - BWI
1 stop9h 41mAmerican Airlines
sáb. 4/193:22 pmBWI - GEG
1 stop9h 16mAmerican Airlines
Deal found 2/20$297
This Hawaiian Airlines deal was found by Cheapflights users on 2/19. 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.
mié. 4/305:49 pmGEG - BWI
1 stop8h 57mHawaiian Airlines
lun. 5/57:05 pmBWI - GEG
1 stop7h 54mHawaiian Airlines
Deal found 2/19$327
This American Airlines deal was found by Cheapflights users on 2/20. 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.
vie. 5/91:32 pmBOI - BWI
1 stop7h 38mAmerican Airlines
lun. 5/123:29 pmBWI - BOI
1 stop8h 30mAmerican Airlines
Deal found 2/20$342
This Mytrip deal was found by Cheapflights users on 2/19. 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.
dom. 4/209:35 amGEG - BWI
2 stops22h 49mMultiple Airlines
mié. 4/239:29 pmBWI - GEG
1 stop25h 54mMultiple Airlines
Deal found 2/19$342
This Southwest deal was found by Cheapflights users on 2/18. 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.
mié. 4/3012:55 pmGEG - BWI
1 stop7h 10mSouthwest
lun. 5/56:45 amBWI - GEG
2 stops12h 35mSouthwest
Deal found 2/18$343
This Delta deal was found by Cheapflights users on 2/20. 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.
dom. 3/236:56 pmGEG - BWI
1 stop7h 58mDelta
sáb. 3/297:00 amBWI - GEG
1 stop7h 55mDelta
Deal found 2/20$347
This Mytrip deal was found by Cheapflights users on 2/19. 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.
jue. 3/2011:14 amBOI - BWI
3 stops16h 11mMultiple Airlines
jue. 3/2710:42 amBWI - BOI
2 stops27h 54mMultiple Airlines
Deal found 2/19$361
This American Airlines deal was found by Cheapflights users on 2/20. 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.
sáb. 4/1212:53 pmJAC - BWI
1 stop7h 43mAmerican Airlines
mar. 4/156:15 amBWI - JAC
1 stop7h 58mAmerican Airlines
Deal found 2/20$367
This Southwest deal was found by Cheapflights users on 2/20. 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.
sáb. 4/2610:35 amBOI - BWI
2 stops10h 10mSouthwest
lun. 4/286:45 amBWI - BOI
1 stop12h 30mSouthwest
Deal found 2/20$371
This American Airlines deal was found by Cheapflights users on 2/19. 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.
mié. 4/212:58 pmIDA - BWI
1 stop8h 00mAmerican Airlines
mié. 4/910:45 amBWI - IDA
2 stops13h 25mAmerican Airlines
Deal found 2/19$372

Find flights from Idaho to Baltimore within your budget

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 febrero 20, 2025.

Fly from

Idaho

Fly to

Baltimore

Route

Depart

Return

Price

BoiseBaltimore

BOI - BWI

BOIBWI

Boise Air Term. Gowen Fld

mar. 4/15

2:15 pm-12:41 am

1 stop8h 26m

Baltimore/Washington

mar. 4/22

8:05 am-1:20 pm

1 stop7h 15m

$231

BoiseBaltimore

BOI - BWI

BOIBWI

Boise Air Term. Gowen Fld

lun. 4/7

1:31 pm-5:25 am

1 stop13h 54m

Baltimore/Washington

jue. 4/10

9:29 pm-1:39 pm

1 stop18h 10m

$234

SpokaneBaltimore

GEG - BWI

GEGBWI

Spokane

mié. 4/16

5:34 am-6:15 pm

1 stop9h 41m

Baltimore/Washington

sáb. 4/19

3:22 pm-9:38 pm

1 stop9h 16m

$297

SpokaneBaltimore

GEG - BWI

GEGBWI

Spokane

mié. 4/30

5:49 pm-5:46 am

1 stop8h 57m

Baltimore/Washington

lun. 5/5

7:05 pm-11:59 pm

1 stop7h 54m

$327

SpokaneBaltimore

GEG - BWI

GEGBWI

Spokane

dom. 4/20

9:35 am-11:24 am

2 stops22h 49m

Baltimore/Washington

mié. 4/23

9:29 pm-8:23 pm

1 stop25h 54m

$342

BoiseBaltimore

BOI - BWI

BOIBWI

Boise Air Term. Gowen Fld

vie. 5/9

1:32 pm-11:10 pm

1 stop7h 38m

Baltimore/Washington

lun. 5/12

3:29 pm-9:59 pm

1 stop8h 30m

$342

SpokaneBaltimore

GEG - BWI

GEGBWI

Spokane

mié. 4/30

12:55 pm-11:05 pm

1 stop7h 10m

Baltimore/Washington

lun. 5/5

6:45 am-4:20 pm

2 stops12h 35m

$343

SpokaneBaltimore

GEG - BWI

GEGBWI

Spokane

dom. 3/23

6:56 pm-5:54 am

1 stop7h 58m

Baltimore/Washington

sáb. 3/29

7:00 am-11:55 am

1 stop7h 55m

$347

BoiseBaltimore

BOI - BWI

BOIBWI

Boise Air Term. Gowen Fld

jue. 3/20

11:14 am-5:25 am

3 stops16h 11m

Baltimore/Washington

jue. 3/27

10:42 am-12:36 pm

2 stops27h 54m

$361

JacksonBaltimore

JAC - BWI

JACBWI

Jackson Hole

sáb. 4/12

12:53 pm-10:36 pm

1 stop7h 43m

Baltimore/Washington

mar. 4/15

6:15 am-12:13 pm

1 stop7h 58m

$367

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/19

Showing 1-10 of 40 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.

Travel insights for flights from Idaho to Baltimore

Get recent, data-driven insights about flights from Idaho to Baltimore including ideal travel times, pricing trends, and more.

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 febrero 20, 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 febrero 20, 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
4,411 reviews

Comfort

8.1

Overall

8.1

Crew

8.7

Food

7.1

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Southwest
8.1
Very good
4,411 reviews
Southwest
8.1
Very good
4,411 reviews

Comfort

8.1

Overall

8.1

Crew

8.7

Food

7.1

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Alaska Airlines
8.0
Very good
9,692 reviews
Southwest
8.1
Very good
4,411 reviews

Comfort

8.1

Overall

8.1

Crew

8.7

Food

7.1

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Delta
8.0
Very good
8,220 reviews
Southwest
8.1
Very good
4,411 reviews

Comfort

8.1

Overall

8.1

Crew

8.7

Food

7.1

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

Hawaiian Airlines
7.9
Good
2,317 reviews
Southwest
8.1
Very good
4,411 reviews

Comfort

8.1

Overall

8.1

Crew

8.7

Food

7.1

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

United Airlines
7.4
Good
8,766 reviews
Southwest
8.1
Very good
4,411 reviews

Comfort

8.1

Overall

8.1

Crew

8.7

Food

7.1

Boarding

8.2

Entertainment

7.6

Reviews

1 / 20

2.0
Mediocre

Anonymous,Feb 2025

MCO - STL

Cancelled at last minute, SWA unable to assist in formulating alternate plans. Wound up renting a car and driving 13 hours to beat bad weather forecast at home. Not SWA’s fault that there was significant bad weather across the country.

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 Frontier, with whom users have recently found tickets for as low as $101. However, be on the lookout for offers from Alaska Airlines and United Airlines, 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 febrero 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$141Average$253FlexibilityNo cancel feeOn-time65%
DeltaCheapest$324Average$534FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$381Average$486FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$421Average$716FlexibilityNo cancel feeOn-time69%
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