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$147+ 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 8/17. Fares are subject to change and may not be available on all flights or dates of travel.
BOI — BWI
Aug 18 — Aug 251
Tue 8/18
Tue 8/25
1 adult, Economy
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Cheap 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 19, 2026.

This Southwest deal was found by Cheapflights users on 7/14. 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 9/157:05 am
BOI
-
BWI
1 stop10h 10m
Southwest
Sat 9/198:50 am
BWI
-
BOI
1 stop7h 55m
Southwest
Deal found 7/14$293
This Southwest deal was found by Cheapflights users on 7/14. 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 8/112:20 pm
BOI
-
BWI
1 stop14h 10m
Southwest
Tue 8/256:30 am
BWI
-
BOI
1 stop6h 25m
Southwest
Deal found 7/14$298
This Southwest deal was found by Cheapflights users on 7/14. 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.
Sat 9/124:05 pm
BOI
-
BWI
2 stops12h 30m
Southwest
Tue 9/153:15 pm
BWI
-
BOI
2 stops9h 55m
Southwest
Deal found 7/14$303
This Southwest deal was found by Cheapflights users on 7/16. 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 9/83:30 pm
BOI
-
BWI
1 stop13h 05m
Southwest
Tue 9/225:55 pm
BWI
-
BOI
1 stop7h 15m
Southwest
Deal found 7/16$306
This Southwest deal was found by Cheapflights users on 7/17. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/153:25 pm
BOI
-
BWI
1 stop13h 05m
Southwest
Wed 8/193:45 pm
BWI
-
BOI
1 stop9h 25m
Southwest
Deal found 7/17$309
This Southwest deal was found by Cheapflights users on 7/16. 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 9/93:30 pm
BOI
-
BWI
1 stop13h 05m
Southwest
Fri 9/116:35 am
BWI
-
BOI
2 stops9h 35m
Southwest
Deal found 7/16$312
This Southwest deal was found by Cheapflights users on 7/15. 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 11/186:15 am
BOI
-
BWI
1 stop9h 05m
Southwest
Mon 11/232:00 pm
BWI
-
BOI
1 stop7h 50m
Southwest
Deal found 7/15$313
This Southwest deal was found by Cheapflights users on 7/17. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/36:30 am
BOI
-
BWI
1 stop14h 55m
Southwest
Fri 9/1111:35 am
BWI
-
BOI
1 stop6h 40m
Southwest
Deal found 7/17$317
This Southwest deal was found by Cheapflights users on 7/14. 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 9/92:20 pm
BOI
-
BWI
1 stop14h 10m
Southwest
Wed 9/163:15 pm
BWI
-
BOI
2 stops9h 55m
Southwest
Deal found 7/14$324

Find 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 19, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$293
(Southwest)

One-way from

$147
(Delta)

Popular in

February

Cheapest in

March

Average price

$517
Provider with most accurate pricing for Boise Air Term. Gowen Fld-Baltimore/Washington flight deals.
Search Deals
Provider most trusted by Cheapflights users for Boise Air Term. Gowen Fld-Baltimore/Washington flights.
Search Deals
From Boise Air Term. Gowen Fld to Baltimore/Washington
Search Deals
One-way flight from Boise Air Term. Gowen Fld to Baltimore/Washington
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($32 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($30 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

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 19, 2026.
Use the filters below to find and compare flights from Boise to Baltimore that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BoiseBaltimore

BOI - BWI

BOIBWI

Boise Air Term. Gowen Fld

Sat 9/12

6:10 am-5:10 pm

1 stop9h 00m

Baltimore/Washington

Tue 9/15

3:15 pm-11:20 pm

1 stop10h 05m

$293
Quickest round-trip

BoiseBaltimore

BOI - BWI

BOIBWI

Boise Air Term. Gowen Fld

Thu 12/10

3:22 pm-11:46 pm

1 stop6h 24m

Baltimore/Washington

Tue 12/15

6:59 pm-11:55 pm

1 stop6h 56m

$293

BoiseBaltimore

BOI - BWI

BOIBWI

Boise Air Term. Gowen Fld

Tue 9/15

7:05 am-7:15 pm

1 stop10h 10m

Baltimore/Washington

Sat 9/19

6:30 am-12:15 pm

1 stop7h 45m

$293

BoiseBaltimore

BOI - BWI

BOIBWI

Boise Air Term. Gowen Fld

Mon 8/17

11:10 pm-9:19 am

1 stop8h 09m

Baltimore/Washington

Sat 8/22

2:57 pm-8:52 pm

1 stop7h 55m

$293

BoiseBaltimore

BOI - BWI

BOIBWI

Boise Air Term. Gowen Fld

Wed 11/18

6:15 am-5:20 pm

1 stop9h 05m

Baltimore/Washington

Mon 11/23

2:00 pm-7:50 pm

1 stop7h 50m

$313

BoiseBaltimore

BOI - BWI

BOIBWI

Boise Air Term. Gowen Fld

Thu 9/3

6:30 am-11:25 pm

1 stop14h 55m

Baltimore/Washington

Fri 9/11

6:35 am-2:10 pm

2 stops9h 35m

$323

BoiseBaltimore

BOI - BWI

BOIBWI

Boise Air Term. Gowen Fld

Mon 9/14

11:10 pm-11:45 am

2 stops10h 35m

Baltimore/Washington

Fri 9/18

5:00 pm-10:00 pm

1 stop7h 00m

$331

BoiseBaltimore

BOI - BWI

BOIBWI

Boise Air Term. Gowen Fld

Wed 8/19

6:00 am-4:30 pm

1 stop8h 30m

Baltimore/Washington

Sun 8/23

9:50 am-8:10 pm

1 stop12h 20m

$331

BoiseBaltimore

BOI - BWI

BOIBWI

Boise Air Term. Gowen Fld

Sat 9/19

4:20 pm-6:30 am

1 stop12h 10m

Baltimore/Washington

Tue 9/22

7:50 am-3:30 pm

1 stop9h 40m

$334

BoiseBaltimore

BOI - BWI

BOIBWI

Boise Air Term. Gowen Fld

Fri 9/4

12:10 pm-10:45 pm

1 stop8h 35m

Baltimore/Washington

Fri 9/11

4:10 pm-10:35 pm

1 stop8h 25m

$334

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/18

Showing 1-10 of 23 resultsSorted by cheapest first
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Compare providers for flights from Boise to Baltimore

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Boise to Baltimore in July.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Boise-Baltimore flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Boise-Baltimore flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Boise-Baltimore flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Boise-Baltimore flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Boise-Baltimore flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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

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

Currently, March is the cheapest month in which you can book a flight from Boise to Baltimore (average of $340). Flying from Boise to Baltimore in February is currently the most expensive (average of $771). 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.

How much does it cost to fly round-trip from Boise to Baltimore?

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 19, 2026.
See what other customers who have flown with Southwest,Delta, andUnited Airlines 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.
Southwest
8.0
Very good
4,241 reviews

Comfort

8.0

Food

7.0

Crew

8.6

Overall

8.0

Entertainment

7.5

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Joseph,Sep 2023

LAX - BWI

The plane departure and arrival were on time. The crew was entertaining and professional at the same time. Baggage claim was efficient. Glad I flew on Southwest airlines.
Southwest
8.0
Very good
4,241 reviews
Southwest
8.0
Very good
4,241 reviews

Comfort

8.0

Food

7.0

Crew

8.6

Overall

8.0

Entertainment

7.5

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Joseph,Sep 2023

LAX - BWI

The plane departure and arrival were on time. The crew was entertaining and professional at the same time. Baggage claim was efficient. Glad I flew on Southwest airlines.
Delta
7.8
Good
8,479 reviews
Southwest
8.0
Very good
4,241 reviews

Comfort

8.0

Food

7.0

Crew

8.6

Overall

8.0

Entertainment

7.5

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Joseph,Sep 2023

LAX - BWI

The plane departure and arrival were on time. The crew was entertaining and professional at the same time. Baggage claim was efficient. Glad I flew on Southwest airlines.
United Airlines
7.4
Good
10,006 reviews
Southwest
8.0
Very good
4,241 reviews

Comfort

8.0

Food

7.0

Crew

8.6

Overall

8.0

Entertainment

7.5

Boarding

8.1

Reviews

1 / 20
10.0
Excellent

Joseph,Sep 2023

LAX - BWI

The plane departure and arrival were on time. The crew was entertaining and professional at the same time. Baggage claim was efficient. Glad I flew on Southwest airlines.

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 Southwest and Delta fly from Boise to Baltimore in about 8h 09m. The time it takes to get you to your destination can typically vary by up to 2h 01m. Airlines will cover a distance of 2052 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    Delta, at $196, was found to be the cheapest airline from Boise to Baltimore.Alternate airlines to your destination round-trip include United Airlines and Southwest. Users have found that Delta is 56% cheaper than the other options available to this destination.

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

    $131 is the cheapest one-way deal found within the past few days, from Delta. You may also be able to find cheap deals on United Airlines and Southwest, with prices starting from $153 and $153, 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, March is the cheapest month in which you can book a flight from Boise to Baltimore (average of $340). Flying from Boise to Baltimore in February is currently the most expensive (average of $771). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 3 airlines flying from Boise to Baltimore

Discover the top 3 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 19, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$196Average$359FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$283Average$516FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$336Average$436FlexibilityNo cancel feeOn-time63%

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