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$88+ 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 9/20. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — BWI
Aug 25 — Sep 11
Mon 8/25
Mon 9/1
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 57 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 August 20, 2025.

Round-trip from

$198
(Orbitz)

One-way from

$88
(Cheapflightsfares)

Popular in

June

Cheapest in

January

Average price

$402
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. 6% potential increase in price ($30 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in August 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 August 20, 2025.

This Orbitz deal was found by Cheapflights users on 8/20. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/202:16 pmBOI - BWI
1 stop12h 14mSpirit Airlines
Mon 9/298:16 amBWI - BOI
1 stop14h 15mSpirit Airlines
Deal found 8/20$198
This FlightHub deal was found by Cheapflights users on 8/19. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/182:16 pmBOI - BWI
1 stop12h 14mSpirit Airlines
Wed 9/248:16 amBWI - BOI
1 stop31h 05mSpirit Airlines
Deal found 8/19$200
This FlightHub deal was found by Cheapflights users on 8/18. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/212:22 pmBOI - BWI
1 stop27h 20mMultiple Airlines
Wed 10/156:26 pmBWI - BOI
1 stop21h 04mMultiple Airlines
Deal found 8/18$207
This Kiwi.com deal was found by Cheapflights users on 8/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/89:26 pmBOI - BWI
2 stops31h 35mSpirit Airlines
Fri 9/127:02 pmBWI - BOI
1 stop20h 19mSpirit Airlines
Deal found 8/18$215
This FlightHub deal was found by Cheapflights users on 8/20. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/182:16 pmBOI - BWI
1 stop12h 14mSpirit Airlines
Thu 9/257:02 pmBWI - BOI
1 stop27h 29mSpirit Airlines
Deal found 8/20$216
This FlightHub deal was found by Cheapflights users on 8/19. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/199:26 pmBOI - BWI
1 stop29h 04mSpirit Airlines
Mon 9/228:16 amBWI - BOI
1 stop14h 15mSpirit Airlines
Deal found 8/19$219
This Orbitz deal was found by Cheapflights users on 8/19. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/252:25 pmBOI - BWI
1 stop12h 05mMultiple Airlines
Tue 10/287:38 amBWI - BOI
1 stop9h 34mMultiple Airlines
Deal found 8/19$222
This FlightHub deal was found by Cheapflights users on 8/17. 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 9/269:26 pmBOI - BWI
1 stop29h 04mSpirit Airlines
Sun 9/287:02 pmBWI - BOI
1 stop27h 29mSpirit Airlines
Deal found 8/17$223
This FlightHub deal was found by Cheapflights users on 8/18. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/302:25 pmBOI - BWI
1 stop12h 05mSpirit Airlines
Sun 11/26:26 pmBWI - BOI
1 stop27h 30mSpirit Airlines
Deal found 8/18$227
This FlightHub deal was found by Cheapflights users on 8/17. 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 9/129:26 pmBOI - BWI
1 stop29h 04mSpirit Airlines
Sun 9/147:02 pmBWI - BOI
1 stop27h 29mSpirit Airlines
Deal found 8/17$228

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 August 20, 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

Sat 9/20

2:16 pm-4:30 am

1 stop12h 14m

Baltimore/Washington

Mon 9/29

8:16 am-8:31 pm

1 stop14h 15m

$198

BoiseBaltimore

BOI - BWI

BOIBWI

Boise Air Term. Gowen Fld

Thu 9/18

2:16 pm-4:30 am

1 stop12h 14m

Baltimore/Washington

Thu 9/25

7:02 pm-8:31 pm

1 stop27h 29m

$200

BoiseBaltimore

BOI - BWI

BOIBWI

Boise Air Term. Gowen Fld

Thu 9/18

2:16 pm-4:30 am

1 stop12h 14m

Baltimore/Washington

Wed 9/24

8:16 am-1:21 pm

1 stop31h 05m

$200

BoiseBaltimore

BOI - BWI

BOIBWI

Boise Air Term. Gowen Fld

Thu 10/2

12:22 pm-5:42 pm

1 stop27h 20m

Baltimore/Washington

Wed 10/15

6:26 pm-1:30 pm

1 stop21h 04m

$207

BoiseBaltimore

BOI - BWI

BOIBWI

Boise Air Term. Gowen Fld

Mon 9/8

9:26 pm-7:01 am

2 stops31h 35m

Baltimore/Washington

Fri 9/12

7:02 pm-1:21 pm

1 stop20h 19m

$215

BoiseBaltimore

BOI - BWI

BOIBWI

Boise Air Term. Gowen Fld

Fri 9/19

9:26 pm-4:30 am

1 stop29h 04m

Baltimore/Washington

Mon 9/22

8:16 am-8:31 pm

1 stop14h 15m

$219

BoiseBaltimore

BOI - BWI

BOIBWI

Boise Air Term. Gowen Fld

Sat 10/25

2:25 pm-4:30 am

1 stop12h 05m

Baltimore/Washington

Tue 10/28

7:38 am-3:12 pm

1 stop9h 34m

$222

BoiseBaltimore

BOI - BWI

BOIBWI

Boise Air Term. Gowen Fld

Fri 9/26

9:26 pm-4:30 am

1 stop29h 04m

Baltimore/Washington

Sun 9/28

7:02 pm-8:31 pm

1 stop27h 29m

$223

BoiseBaltimore

BOI - BWI

BOIBWI

Boise Air Term. Gowen Fld

Sat 9/20

2:16 pm-4:30 am

1 stop12h 14m

$88

BoiseBaltimore

BOI - BWI

BOIBWI

Boise Air Term. Gowen Fld

Mon 9/8

9:26 pm-7:01 am

2 stops31h 35m

$90

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/19

Showing 1-10 of 14 results
1
2

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 August 8, 2025.

The best time to book flights from Boise to Baltimore is 57 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 August 20, 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 August 20, 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

Crew

8.5

Food

7.1

Comfort

7.8

Entertainment

7.0

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

PDX - SJC

They had no snacks and had to pay for the Wifi.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Food

7.1

Comfort

7.8

Entertainment

7.0

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

PDX - SJC

They had no snacks and had to pay for the Wifi.
Southwest
8.0
Very good
4,246 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Food

7.1

Comfort

7.8

Entertainment

7.0

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

PDX - SJC

They had no snacks and had to pay for the Wifi.
Delta
8.0
Very good
7,982 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Food

7.1

Comfort

7.8

Entertainment

7.0

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

PDX - SJC

They had no snacks and had to pay for the Wifi.
United Airlines
7.4
Good
8,928 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Crew

8.5

Food

7.1

Comfort

7.8

Entertainment

7.0

Overall

8.0

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Anonymous,Aug 2025

PDX - SJC

They had no snacks and had to pay for the Wifi.

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.

  • How long is the flight from Boise to Baltimore?

    Airlines like Spirit Airlines fly from Boise to Baltimore in about 12h 14m. The time it takes to get you to your destination can typically vary by up to . Airlines will cover a distance of 2052 mi.

  • What are the cheapest airlines flying from Boise to Baltimore round-trip?

    Delta, at $292, was found to be the cheapest airline from Boise to Baltimore.Alternate airlines to your destination round-trip include Alaska Airlines and United Airlines. Users have found that Delta is 33% cheaper than the other options available to this destination.

  • 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

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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 August 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$292Average$425FlexibilityNo cancel feeOn-timeN/A
Alaska AirlinesCheapest$300Average$445FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$305Average$540FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$352Average$458FlexibilityNo cancel feeOn-time63%

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