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$143+ Cheap flights from Boise to Baltimore (BOI - 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 9/3. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — BWI
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheapflights Tip: The best prices from Boise Air Term. Gowen Fld to Baltimore/Washington are usually found in January or September, booked 28 days in advance, depart on a Friday or Tuesday and return on a Tuesday

Cheap flight deals from Boise to Baltimore

Discover tips and strategies to find the most affordable flight options for your journey from Boise (BOI) to Baltimore (BWI). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated June 12, 2025.

Round-trip from

$287
(United Airlines)

One-way from

$143
(Alaska Airlines)

Popular in

July

Cheapest in

January

Average price

$540
From Boise Air Term. Gowen Fld to Baltimore/Washington
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One-way flight from Boise Air Term. Gowen Fld to Baltimore/Washington
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Highest demand for flights based on searches. 12% potential increase in price ($65 potential increase over avg. RT price).
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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 June 2025
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Find flight deals from Boise to Baltimore

Cheapest flights from Boise to Baltimore
Explore the most affordable flight options available from Boise to Baltimore. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/291:41 pmBOI - BWI
1 stop6h 51mAmerican Airlines
Tue 11/46:30 amBWI - BOI
1 stop8h 03mAmerican Airlines
Deal found 6/10$287
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 8/2712:45 pmBOI - BWI
1 stop9h 11mDelta
Sun 8/316:00 amBWI - BOI
2 stops10h 01mDelta
Deal found 6/10$292
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.
Thu 8/215:45 pmBOI - BWI
1 stop9h 48mAlaska Airlines
Mon 8/257:00 amBWI - BOI
1 stop10h 00mAlaska Airlines
Deal found 6/10$296
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.
Thu 10/306:20 amBOI - BWI
1 stop9h 08mUnited Airlines
Mon 11/34:12 pmBWI - BOI
1 stop7h 09mUnited Airlines
Deal found 6/10$297
This Southwest 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/211:10 pmBOI - BWI
1 stop8h 15mSouthwest
Mon 8/255:00 pmBWI - BOI
2 stops9h 05mSouthwest
Deal found 6/10$302
This Sun Country Air 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 Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/246:01 pmBOI - BWI
1 stop15h 28mSun Country Air
Sun 7/2712:25 pmBWI - BOI
1 stop7h 31mSun Country Air
Deal found 6/10$315
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/147:48 pmBOI - BWI
2 stops31h 45mSpirit Airlines
Thu 7/172:50 pmBWI - BOI
2 stops30h 02mSpirit Airlines
Deal found 6/10$328
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/147:48 pmBOI - BWI
2 stops31h 45mMultiple Airlines
Thu 7/172:50 pmBWI - BOI
2 stops32h 51mMultiple Airlines
Deal found 6/10$330
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/2412:36 pmBOI - BWI
1 stop25h 55mFrontier
Sat 7/265:26 pmBWI - BOI
1 stop20h 20mFrontier
Deal found 6/10$405

Cheapflights Fare Finder

Customize your flight search to find flights from Boise 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 June 12, 2025.
Use the filters below to find and compare flights from Boise to Baltimore that are best for you.

Fly from

Boise

Fly to

Baltimore

Route

Depart

Return

Price

BoiseBaltimore

BOI - BWI

BOIBWI

Boise Air Term. Gowen Fld

Wed 8/13

7:15 pm-5:28 am

1 stop8h 13m

Baltimore/Washington

Wed 8/20

7:00 am-1:30 pm

1 stop8h 30m

$287

BoiseBaltimore

BOI - BWI

BOIBWI

Boise Air Term. Gowen Fld

Wed 8/27

12:45 pm-11:56 pm

1 stop9h 11m

Baltimore/Washington

Sun 8/31

6:00 am-2:01 pm

2 stops10h 01m

$292

BoiseBaltimore

BOI - BWI

BOIBWI

Boise Air Term. Gowen Fld

Thu 8/21

5:45 pm-5:33 am

1 stop9h 48m

Baltimore/Washington

Mon 8/25

7:00 am-3:00 pm

1 stop10h 00m

$296

BoiseBaltimore

BOI - BWI

BOIBWI

Boise Air Term. Gowen Fld

Thu 8/21

1:10 pm-11:25 pm

1 stop8h 15m

Baltimore/Washington

Mon 8/25

5:00 pm-12:05 am

2 stops9h 05m

$302

BoiseBaltimore

BOI - BWI

BOIBWI

Boise Air Term. Gowen Fld

Thu 7/24

6:01 pm-11:29 am

1 stop15h 28m

Baltimore/Washington

Sun 7/27

12:25 pm-5:56 pm

1 stop7h 31m

$315

BoiseBaltimore

BOI - BWI

BOIBWI

Boise Air Term. Gowen Fld

Mon 7/14

7:48 pm-5:33 am

2 stops31h 45m

Baltimore/Washington

Thu 7/17

2:50 pm-6:52 pm

2 stops30h 02m

$328

BoiseBaltimore

BOI - BWI

BOIBWI

Boise Air Term. Gowen Fld

Mon 7/14

7:48 pm-5:33 am

2 stops31h 45m

Baltimore/Washington

Thu 7/17

2:50 pm-9:41 pm

2 stops32h 51m

$330

BoiseBaltimore

BOI - BWI

BOIBWI

Boise Air Term. Gowen Fld

Wed 8/27

1:36 pm-11:02 pm

1 stop7h 26m

Baltimore/Washington

Sun 8/31

6:00 am-12:19 pm

1 stop8h 19m

$351

BoiseBaltimore

BOI - BWI

BOIBWI

Boise Air Term. Gowen Fld

Thu 7/24

12:36 pm-4:31 pm

1 stop25h 55m

Baltimore/Washington

Sat 7/26

5:26 pm-11:46 am

1 stop20h 20m

$405

BoiseBaltimore

BOI - BWI

BOIBWI

Boise Air Term. Gowen Fld

Wed 9/3

6:35 am-6:22 pm

1 stop9h 47m

$143

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 18 results
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Best time to book a flight from Boise to Baltimore

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

How far ahead should I book a flight from Boise to Baltimore?

Use this chart to determine the optimal time to book a round-trip flight from Boise to Baltimore. Price data was last updated on June 9, 2025.

The best time to book flights from Boise to Baltimore is 28 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

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

Find hourly flight availability from Boise 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 June 12, 2025.

A simple way to save on the total cost of your ticket is to fly from Boise to Baltimore in the evening. If you’re flexible enough to do this you can expect to save up to 29% on your trip compared to booking a flight at noon.

What is the cheapest day to fly from Boise to Baltimore?

Use this chart to determine the cheapest time to fly round-trip from Boise to Baltimore. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Boise to Baltimore flight should consider departing on Monday evenings when fares are most often at their lowest. Monday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

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 June 12, 2025.
See what other customers who have flown with Alaska Airlines, Southwest and Delta from Boise to Baltimore have to say. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Crew

8.5

Overall

8.0

Comfort

7.8

Boarding

8.1

Food

7.1

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

Entertainment

7.1

Crew

8.5

Overall

8.0

Comfort

7.8

Boarding

8.1

Food

7.1

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
4,287 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Crew

8.5

Overall

8.0

Comfort

7.8

Boarding

8.1

Food

7.1

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
7,950 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Crew

8.5

Overall

8.0

Comfort

7.8

Boarding

8.1

Food

7.1

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
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Crew

8.5

Overall

8.0

Comfort

7.8

Boarding

8.1

Food

7.1

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Entertainment

7.1

Crew

8.5

Overall

8.0

Comfort

7.8

Boarding

8.1

Food

7.1

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 Boise to Baltimore. 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 flying from Boise to Baltimore round-trip?

    United Airlines, at $287, was found to be the cheapest airline from Boise to Baltimore.Alternate airlines to your destination round-trip include Delta and Alaska Airlines. Users have found that United Airlines is 36% cheaper than the other options available to this destination.

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

    $143 is the cheapest one-way deal found within the past few days, from Alaska Airlines. You may also be able to find cheap deals on Delta and Southwest, with prices starting from $144 and $149, respectively.

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

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

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

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

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

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

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

Discover the top 4 airlines that operate flights from Boise 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$300Average$456FlexibilityNo cancel feeOn-time75%
DeltaCheapest$300Average$436FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$305Average$562FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$379Average$464FlexibilityNo cancel feeOn-time63%

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