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$127+ 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 8/21. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — BWI
Jul 8 — Jul 151
Tue 7/8
Tue 7/15
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 July 3, 2025.

Round-trip from

$254
(Cheapflightsfares)

One-way from

$127
(FlightHub)

Popular in

June

Cheapest in

January

Average price

$457
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. 9% potential increase in price ($44 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($9 potential savings vs. average RT price).
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Average for round-trip flights in July 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 July 3, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 7/3. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/146:06 pmBOI - BWI
1 stop9h 09mSpirit Airlines
Mon 8/186:30 amBWI - BOI
1 stop12h 41mSpirit Airlines
Deal found 7/3$254
This FlightHub deal was found by Cheapflights users on 7/2. 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 8/216:06 pmBOI - BWI
1 stop9h 09mMultiple Airlines
Thu 8/286:29 pmBWI - BOI
1 stop19h 09mMultiple Airlines
Deal found 7/2$275
This Alaska Airlines deal was found by Cheapflights users on 7/3. 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 8/275:45 pmBOI - BWI
1 stop9h 48mAlaska Airlines
Sun 8/317:00 amBWI - BOI
1 stop8h 48mAlaska Airlines
Deal found 7/3$287
This American Airlines deal was found by Cheapflights users on 7/2. 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 10/291:27 pmBOI - BWI
1 stop8h 21mAmerican Airlines
Sat 11/18:05 amBWI - BOI
2 stops13h 32mAmerican Airlines
Deal found 7/2$292
This Delta deal was found by Cheapflights users on 7/1. 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 10/295:40 amBOI - BWI
2 stops11h 07mDelta
Sat 11/18:10 amBWI - BOI
2 stops12h 59mDelta
Deal found 7/1$297
This Southwest deal was found by Cheapflights users on 7/1. 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 8/71:10 pmBOI - BWI
1 stop8h 15mSouthwest
Wed 8/136:05 pmBWI - BOI
1 stop7h 00mSouthwest
Deal found 7/1$315
This FlightHub deal was found by Cheapflights users on 7/2. 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 7/1012:36 pmBOI - BWI
1 stop25h 55mFrontier
Sat 7/265:26 pmBWI - BOI
1 stop20h 20mFrontier
Deal found 7/2$331
This United Airlines deal was found by Cheapflights users on 7/2. 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 12/312:43 pmBOI - BWI
1 stop6h 17mUnited Airlines
Wed 1/74:10 pmBWI - BOI
1 stop8h 55mUnited Airlines
Deal found 7/2$374

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 July 3, 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

Thu 8/14

6:06 pm-5:15 am

1 stop9h 09m

Baltimore/Washington

Mon 8/18

6:30 am-5:11 pm

1 stop12h 41m

$254

BoiseBaltimore

BOI - BWI

BOIBWI

Boise Air Term. Gowen Fld

Thu 8/21

6:06 pm-5:15 am

1 stop9h 09m

Baltimore/Washington

Thu 8/28

6:29 pm-11:38 am

1 stop19h 09m

$275

BoiseBaltimore

BOI - BWI

BOIBWI

Boise Air Term. Gowen Fld

Wed 8/27

5:45 pm-5:33 am

1 stop9h 48m

Baltimore/Washington

Sun 8/31

7:00 am-1:48 pm

1 stop8h 48m

$287

BoiseBaltimore

BOI - BWI

BOIBWI

Boise Air Term. Gowen Fld

Wed 8/27

3:06 pm-11:47 pm

1 stop6h 41m

Baltimore/Washington

Sun 8/31

1:35 pm-10:40 pm

2 stops11h 05m

$292

BoiseBaltimore

BOI - BWI

BOIBWI

Boise Air Term. Gowen Fld

Tue 8/12

6:35 am-6:03 pm

2 stops9h 28m

Baltimore/Washington

Tue 8/19

7:58 am-4:45 pm

2 stops10h 47m

$297

BoiseBaltimore

BOI - BWI

BOIBWI

Boise Air Term. Gowen Fld

Thu 8/7

1:10 pm-11:25 pm

1 stop8h 15m

Baltimore/Washington

Wed 8/13

6:05 pm-11:05 pm

1 stop7h 00m

$315

BoiseBaltimore

BOI - BWI

BOIBWI

Boise Air Term. Gowen Fld

Thu 7/10

12:36 pm-4:31 pm

1 stop25h 55m

Baltimore/Washington

Sat 7/26

5:26 pm-11:46 am

1 stop20h 20m

$331

BoiseBaltimore

BOI - BWI

BOIBWI

Boise Air Term. Gowen Fld

Thu 7/10

5:44 pm-11:29 am

1 stop15h 45m

Baltimore/Washington

Thu 7/24

12:25 pm-5:02 pm

1 stop6h 37m

$385

BoiseBaltimore

BOI - BWI

BOIBWI

Boise Air Term. Gowen Fld

Thu 8/21

6:06 pm-5:15 am

1 stop9h 09m

$127

BoiseBaltimore

BOI - BWI

BOIBWI

Boise Air Term. Gowen Fld

Wed 10/1

5:45 pm-5:39 am

1 stop9h 54m

$143

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/3

Showing 1-10 of 16 results
1
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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 27, 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 July 3, 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.

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 July 3, 2025.
See what other customers who have flown with Alaska Airlines, Southwest, and Delta from Boise to Baltimore have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.1

Crew

8.5

Food

7.1

Overall

8.0

Comfort

7.8

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

Entertainment

7.1

Crew

8.5

Food

7.1

Overall

8.0

Comfort

7.8

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
4,266 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.1

Crew

8.5

Food

7.1

Overall

8.0

Comfort

7.8

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
7,982 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.1

Crew

8.5

Food

7.1

Overall

8.0

Comfort

7.8

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
8,861 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.1

Crew

8.5

Food

7.1

Overall

8.0

Comfort

7.8

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

Boarding

8.1

Entertainment

7.1

Crew

8.5

Food

7.1

Overall

8.0

Comfort

7.8

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?

    Spirit Airlines, at $254, was found to be the cheapest airline from Boise to Baltimore.Alternate airlines to your destination round-trip include Alaska Airlines and Delta. Users have found that Spirit Airlines is 42% cheaper than the other options available to this destination.

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

    $127 is the cheapest one-way deal found within the past few days, from Spirit Airlines. You may also be able to find cheap deals on Alaska Airlines and Sun Country Air, with prices starting from $143 and $158, 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 July 3, 2025.
AirlineCheapestAverageFlexibilityOn-time
Alaska AirlinesCheapest$300Average$456FlexibilityNo cancel feeOn-time75%
DeltaCheapest$300Average$432FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$305Average$559FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$379Average$460FlexibilityNo cancel feeOn-time63%

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