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Cheap flights from Baltimore to Boise from $149

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Baltimore to Boise departing on 12/17. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Baltimore to Boise

Cheap round-trip flights

Enter your travel dates to find the best prices.
Delta Logo
3:00 pm - 1:00 pmBWI-BOI
24h 00m2 stops
Delta Logo
1:40 pm - 10:27 amBOI-BWI
18h 47m2 stops
$276Delta
Find Deal
Thu, Jan 8 - Mon, Jan 12
Delta Logo
3:00 pm - 1:00 pmBWI-BOI
24h 00m2 stops
Delta Logo
5:15 pm - 4:38 pmBOI-BWI
21h 23m2 stops
$297Delta
Find Deal
Thu, Jan 8 - Mon, Jan 12
Delta Logo
3:00 pm - 8:55 pmBWI-BOI
7h 55m1 stop
Delta Logo
5:15 pm - 10:27 amBOI-BWI
15h 12m2 stops
$301Delta
Find Deal
Thu, Jan 8 - Mon, Jan 12
Southwest Logo
6:05 am - 1:00 pmBWI-BOI
8h 55m1 stop
Southwest Logo
11:50 am - 7:40 pmBOI-BWI
5h 50m1 stop
$307Southwest
Find Deal
Sat, Jan 24 - Sat, Jan 31
Delta Logo
3:00 pm - 11:59 pmBWI-BOI
10h 59m2 stops
Delta Logo
1:00 pm - 11:44 pmBOI-BWI
8h 44m1 stop
$311Delta
Find Deal
Fri, Jan 23 - Sat, Jan 31
Southwest Logo
7:30 am - 3:15 pmBWI-BOI
9h 45m1 stop
Southwest Logo
6:50 am - 7:35 pmBOI-BWI
10h 45m2 stops
$312Southwest
Find Deal
Sat, Jan 24 - Sat, Jan 31
United Airlines Logo
10:05 am - 7:51 pmBWI-BOI
11h 46m2 stops
United Airlines Logo
10:28 am - 9:21 pmBOI-BWI
8h 53m2 stops
$317United Airlines
Find Deal
Sat, Jan 24 - Sat, Jan 31
Southwest Logo
1:15 pm - 9:15 pmBWI-BOI
10h 00m1 stop
Southwest Logo
1:30 pm - 10:05 pmBOI-BWI
6h 35m1 stop
$322Southwest
Find Deal
Sat, Jan 17 - Sun, Jan 18
Southwest Logo
1:15 pm - 9:15 pmBWI-BOI
10h 00m1 stop
Southwest Logo
7:05 am - 7:50 pmBOI-BWI
10h 45m1 stop
$327Southwest
Find Deal
Sat, Jan 17 - Sun, Jan 18
Delta Logo
6:05 am - 2:02 pmBWI-BOI
9h 57m1 stop
Delta Logo
5:15 pm - 10:27 amBOI-BWI
15h 12m2 stops
$330Delta
Find Deal
Thu, Jan 8 - Mon, Jan 12

Delta flights from Baltimore to Boise

Our best Delta deals on Baltimore to Boise flight tickets
Delta
Jan 8
BWI11:24 amBaltimore/Washington
12h 34m
2 stops
BOI9:58 pmBoise Air Term. Gowen Fld
Jan 12
BOI7:25 amBoise Air Term. Gowen Fld
25h 02m
2 stops
BWI10:27 amBaltimore/Washington
$276
Find similar
Delta
Jan 8
BWI3:00 pmBaltimore/Washington
24h 00m
2 stops
BOI1:00 pmBoise Air Term. Gowen Fld
Jan 12
BOI5:15 pmBoise Air Term. Gowen Fld
21h 23m
2 stops
BWI4:38 pmBaltimore/Washington
$297
Find similar
Delta
Jan 8
BWI3:00 pmBaltimore/Washington
7h 55m
1 stop
BOI8:55 pmBoise Air Term. Gowen Fld
Jan 12
BOI5:15 pmBoise Air Term. Gowen Fld
15h 12m
2 stops
BWI10:27 amBaltimore/Washington
$301
Find similar

Southwest flights from Baltimore to Boise

Our best Southwest deals on Baltimore to Boise flight tickets
Southwest
Jan 24
BWI6:05 amBaltimore/Washington
8h 55m
1 stop
BOI1:00 pmBoise Air Term. Gowen Fld
Jan 31
BOI11:50 amBoise Air Term. Gowen Fld
5h 50m
1 stop
BWI7:40 pmBaltimore/Washington
$307
Find similar
Southwest
Jan 24
BWI7:30 amBaltimore/Washington
9h 45m
1 stop
BOI3:15 pmBoise Air Term. Gowen Fld
Jan 31
BOI6:50 amBoise Air Term. Gowen Fld
10h 45m
2 stops
BWI7:35 pmBaltimore/Washington
$312
Find similar
Southwest
Jan 17
BWI1:15 pmBaltimore/Washington
10h 00m
1 stop
BOI9:15 pmBoise Air Term. Gowen Fld
Jan 18
BOI7:05 amBoise Air Term. Gowen Fld
10h 45m
1 stop
BWI7:50 pmBaltimore/Washington
$327
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Baltimore to Boise 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, momondo users made 832,500 searches. Data last updated November 20, 2025.
Use the filters below to find and compare flights from Baltimore to Boise that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BaltimoreBoise

BWI - BOI

BWIBOI

Baltimore/Washington

Thu 1/8

3:00 pm-1:00 pm

2 stops24h 00m

Boise Air Term. Gowen Fld

Mon 1/12

1:40 pm-10:27 am

2 stops18h 47m

$276

BaltimoreBoise

BWI - BOI

BWIBOI

Baltimore/Washington

Thu 1/8

3:00 pm-1:00 pm

2 stops24h 00m

Boise Air Term. Gowen Fld

Mon 1/12

5:15 pm-4:38 pm

2 stops21h 23m

$297

BaltimoreBoise

BWI - BOI

BWIBOI

Baltimore/Washington

Thu 1/8

3:00 pm-8:55 pm

1 stop7h 55m

Boise Air Term. Gowen Fld

Mon 1/12

5:15 pm-10:27 am

2 stops15h 12m

$301

BaltimoreBoise

BWI - BOI

BWIBOI

Baltimore/Washington

Sat 1/24

6:05 am-1:00 pm

1 stop8h 55m

Boise Air Term. Gowen Fld

Sat 1/31

11:50 am-7:40 pm

1 stop5h 50m

$307

BaltimoreBoise

BWI - BOI

BWIBOI

Baltimore/Washington

Fri 1/23

3:00 pm-11:59 pm

2 stops10h 59m

Boise Air Term. Gowen Fld

Sat 1/31

1:00 pm-11:44 pm

1 stop8h 44m

$311

BaltimoreBoise

BWI - BOI

BWIBOI

Baltimore/Washington

Sat 1/24

7:30 am-3:15 pm

1 stop9h 45m

Boise Air Term. Gowen Fld

Sat 1/31

6:50 am-7:35 pm

2 stops10h 45m

$312

BaltimoreBoise

BWI - BOI

BWIBOI

Baltimore/Washington

Sat 1/24

10:05 am-7:51 pm

2 stops11h 46m

Boise Air Term. Gowen Fld

Sat 1/31

10:28 am-9:21 pm

2 stops8h 53m

$317

BaltimoreBoise

BWI - BOI

BWIBOI

Baltimore/Washington

Sat 1/17

1:15 pm-9:15 pm

1 stop10h 00m

Boise Air Term. Gowen Fld

Sun 1/18

1:30 pm-10:05 pm

1 stop6h 35m

$322

BaltimoreBoise

BWI - BOI

BWIBOI

Baltimore/Washington

Sat 1/17

1:15 pm-9:15 pm

1 stop10h 00m

Boise Air Term. Gowen Fld

Sun 1/18

7:05 am-7:50 pm

1 stop10h 45m

$327

BaltimoreBoise

BWI - BOI

BWIBOI

Baltimore/Washington

Thu 1/8

6:05 am-2:02 pm

1 stop9h 57m

Boise Air Term. Gowen Fld

Mon 1/12

5:15 pm-10:27 am

2 stops15h 12m

$330

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Boise from

How to get the cheapest flight ticket from Baltimore to Boise

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Boise?

The month of September is, on average, the cheapest month to fly to Boise from Baltimore, with most prices found around $386. If you aren’t able to travel during the month of September, then book flights to Boise from Baltimore during January instead. Flights to Boise in January, while not as cheap as those in September, still average around $399.

What is the cheapest day to depart on your flight to Boise?

Our data shows that Wednesday is the least expensive day to fly to Boise. Tickets to fly out on this day can be as low as $453. If your travel schedule is flexible, try to avoid departing on a Monday because tickets tend to average around $638. These prices are subject to change though, so be sure to set up a Price Alert for flights to Boise.

What is the cheapest time of day to depart on your flight to Boise?

Our data shows that the cheapest Baltimore to Boise flights are usually those with departure times at noon. Our users have found flights to Boise at noon for as low as $432. In the evening is when there is more demand to fly to Boise, so prices are often more expensive at around $611 per ticket.

How far in advance should I book a flight to Boise?

You are more likely to see cheaper flights to Boise from Baltimore when booking weeks ahead of your departure date. In general, you can expect to find flights to Boise for around $462 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Boise from Baltimore for as low as $354 on momondo.

How have Baltimore to Boise flight prices changed over time?

As of November 2025, prices for Baltimore to Boise flights are approximately 30% cheaper when compared to flights at the same time last year.

When to book flights from Baltimore to Boise

Are you open to changing your travel dates? Check out the ideal times to fly from Baltimore to Boise according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Baltimore to Boise (BWI to BOI) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Baltimore to Boise

Direct flights

None
There are no direct flights from Baltimore to Boise. There are no popular flight routes from Baltimore to Boise.
Search flight deals

  • How far is Baltimore/Washington to Boise Air Term. Gowen Fld by plane?

    A flight from Baltimore/Washington to Boise Air Term. Gowen Fld will travel around 2050.8 mi. By plane, this route typically takes 6h 49m.

  • When did momondo last update prices for flights from Baltimore/Washington Airport to Boise Air Term. Gowen Fld Airport?

    Prices for flights from Baltimore/Washington Airport to Boise Air Term. Gowen Fld Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Baltimore/Washington Airport to Boise Air Term. Gowen Fld Airport?

  • How old do you have to be to fly from Baltimore/Washington Airport to Boise Air Term. Gowen Fld Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Baltimore/Washington Airport to Boise Air Term. Gowen Fld Airport.

  • What documentation or ID do you need to fly to Boise Air Term. Gowen Fld Airport?

    The necessary travel and health documents for your Boise Air Term. Gowen Fld Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Baltimore to Boise?

Best airlines flying from Baltimore to Boise

Compare and see reviews for airlines that fly from Baltimore to Boise with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $230Free CancellationRating
7.9
8,002 reviews
Search Delta flights
United AirlinesPriceFrom $298Free CancellationRating
7.4
9,022 reviews
Search United Airlines flights
Alaska AirlinesPriceFrom $321Free CancellationRating
8.0
11,319 reviews
Search Alaska Airlines flights
SouthwestPriceFrom $347Free CancellationRating
8.0
4,249 reviews
Search Southwest flights

Traveling to a place near Boise?

Book flights to Boise if you plan to visit one of these locations
Nampa
McCall
Meridian
Caldwell
Ontario
Eagle

Why use momondo?

Why should I use momondo to find a flight deal from Baltimore to Boise?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Baltimore to Boise for you.

Can I find flights from Baltimore to Boise with flexible booking policies on momondo?

momondo does allow users to show only those flights to Boise from Baltimore which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Baltimore to Boise?

Once you have performed a search for Baltimore to Boise flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Baltimore to Boise right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Baltimore to Boise now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Boise and let you know when they change.

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