BWI - BOI

$162 Find Cheap Flights from Baltimore to Boise - Compare and Save

1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$317
Typical prices: $387-$588
Alaska Airlines
Fri 11/2Fri 11/2
BWI - BOI • 1 stop
Cheapest one-way
$162
Typical prices: $218-$382
Alaska Airlines
Wed 10/24
BWI - BOI • 1 stop
Nonstop flights
Not available
There are currently no direct flights between Baltimore and Boise. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to book
20 weeks
in advance
Our data shows that travelers who book at least 20 weeks in advance save around 54% compared to booking last minute.
Insights
Insights
When to travel
January
Cheapest • 25% price drop
June
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Salt Lake City (SLC)
Cheapest • Avg $292 (round-trip)
Minneapolis St Paul (MSP)
Shortest trip • 6h 58m (one-way)
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Insights
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Flight Deals

Cheap Flights from Baltimore to Boise (BWI-BOI)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Baltimore to Boise

Mon, Nov 2 - Mon, Nov 2
Alaska Airlines Logo
7:02 am - 3:24 pmBWI  Baltimore/Washington-BOI Boise Air Term. Gowen Fld
10h 22m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
6:21 pm - 5:40 amBOI  Boise Air Term. Gowen Fld-BWI Baltimore/Washington
9h 19m1 stop Seattle/Tacoma Intl
$317Alaska Airlines
Sat, Feb 13 - Wed, Feb 17
Alaska Airlines Logo
6:11 pm - 12:11 amBWI  Baltimore/Washington-BOI Boise Air Term. Gowen Fld
8h 00m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
4:00 pm - 5:11 pmBOI  Boise Air Term. Gowen Fld-BWI Baltimore/Washington
23h 11m1 stop Seattle/Tacoma Intl
$323Alaska Airlines
Thu, Nov 19 - Mon, Nov 23
Delta Logo
7:25 pm - 11:59 pmBWI  Baltimore/Washington-BOI Boise Air Term. Gowen Fld
6h 34m1 stop Minneapolis St Paul
Delta Logo
11:10 pm - 9:17 amBOI  Boise Air Term. Gowen Fld-BWI Baltimore/Washington
8h 07m1 stop Atlanta Hartsfield-Jackson
$323Delta
Thu, Nov 5 - Sat, Nov 7
Delta Logo
7:00 am - 12:16 pmBWI  Baltimore/Washington-BOI Boise Air Term. Gowen Fld
7h 16m1 stop Salt Lake City
Delta Logo
1:40 pm - 12:50 amBOI  Boise Air Term. Gowen Fld-BWI Baltimore/Washington
9h 10m1 stop Atlanta Hartsfield-Jackson
$323Delta
Thu, Nov 5 - Sat, Nov 7
United Airlines Logo
6:10 am - 11:31 amBWI  Baltimore/Washington-BOI Boise Air Term. Gowen Fld
7h 21m1 stop Chicago O'Hare Intl
United Airlines Logo
2:51 pm - 11:08 pmBOI  Boise Air Term. Gowen Fld-BWI Baltimore/Washington
6h 17m1 stop Denver Intl
$323United Airlines
Tue, Oct 27 - Tue, Nov 3
United Airlines Logo
6:10 am - 11:31 amBWI  Baltimore/Washington-BOI Boise Air Term. Gowen Fld
7h 21m1 stop Chicago O'Hare Intl
United Airlines Logo
5:00 am - 3:13 pmBOI  Boise Air Term. Gowen Fld-BWI Baltimore/Washington
8h 13m1 stop Denver Intl
$323United Airlines
Tue, Oct 20 - Tue, Oct 27
American Airlines Logo
7:17 am - 2:33 pmBWI  Baltimore/Washington-BOI Boise Air Term. Gowen Fld
9h 16m1 stop Chicago O'Hare Intl
American Airlines Logo
12:14 pm - 10:54 pmBOI  Boise Air Term. Gowen Fld-BWI Baltimore/Washington
8h 40m1 stop Dallas/Fort Worth
$323American Airlines
Wed, Dec 2 - Sat, Dec 5
American Airlines Logo
7:18 am - 12:42 pmBWI  Baltimore/Washington-BOI Boise Air Term. Gowen Fld
7h 24m1 stop Chicago O'Hare Intl
American Airlines Logo
1:24 pm - 11:55 pmBOI  Boise Air Term. Gowen Fld-BWI Baltimore/Washington
8h 31m1 stop Chicago O'Hare Intl
$323American Airlines
Sat, Oct 31 - Tue, Nov 3
Southwest Logo
11:00 am - 7:05 pmBWI  Baltimore/Washington-BOI Boise Air Term. Gowen Fld
10h 05m2 stops Grand Rapids Gerald R. Ford Intl Las Vegas Harry Reid Intl
Southwest Logo
3:30 pm - 12:45 amBOI  Boise Air Term. Gowen Fld-BWI Baltimore/Washington
7h 15m1 stop Denver Intl
$328Southwest
Wed, Nov 11 - Wed, Nov 18
Southwest Logo
6:15 am - 3:10 pmBWI  Baltimore/Washington-BOI Boise Air Term. Gowen Fld
10h 55m2 stops Dallas Love Field Denver Intl
Southwest Logo
1:05 pm - 9:50 pmBOI  Boise Air Term. Gowen Fld-BWI Baltimore/Washington
6h 45m1 stop Denver Intl
$328Southwest
Booking Insights

Price, demand and travel trends for Baltimore to Boise flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

How much is a round-trip flight from Baltimore to Boise?

Round-trip flights from Baltimore to Boise typically range from $387 to $588. The lowest price found in the past 5 days was $317, on Alaska Airlines.

What's the cheapest day of the week to fly from Baltimore to Boise?

Based on deals KAYAK users found in the last 12 months, Wednesday is the cheapest day of the week to fly from Baltimore to Boise. It’s 13% cheaper than the average day, while Tuesday is the most expensive, with prices 28% higher.

What’s the cheapest month to fly from Baltimore to Boise?

•January is the cheapest month to fly from Baltimore to Boise at $342 round-trip.
•May ($610) and December ($586) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 78% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are flights from Baltimore to Boise the cheapest?

Flights from Baltimore to Boise are cheapest 20 weeks before departure. Booking in this window typically costs about 54% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

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Key details for Baltimore to Boise flights

Low season

February

Cheapest flight

$162
Beat the crowds with an average 62% drop in travelers.
The most popular month to fly with an average 85% increase in travelers.
One-way flight from Baltimore to Boise

When to book flights from Baltimore to Boise

Are your dates flexible? Find out the best times to travel from Baltimore to Boise based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Baltimore to Boise flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines and booking tips.

  • What cabin classes can I book on flights from Baltimore to Boise?

    Only Economy Class is available on flights from Baltimore to Boise.

  • How long is a flight from Baltimore to Boise?

    A nonstop flight from Baltimore to Boise takes 00m, covering 2,052 miles.

  • Do I need a passport to fly from Baltimore to Boise?

    No, a passport is not required for this domestic route, but you will need a real ID-compliant driver's license, a state ID or another TSA-accepted form of identification.

  • How much should I expect to pay for a Baltimore to Boise flight?

    Round-trip flights from Baltimore to Boise range from $387 to $588, with an average of $459 over the past 12 months. Anything below $387 counts as a good deal.

  • How expensive are last-minute Baltimore to Boise flights?

    Last-minute fares on this route (booked within two weeks of departure) run 64% above the $459 route average. Book 20 weeks before departure for the lowest fares.

  • How are flight prices from Baltimore to Boise looking right now?

    One-way fares from Baltimore to Boise are currently lower than usual. Average one-way flight prices are about $164, which is 44% below the typical average for this route.

  • What car rental options are available at Boise Air Term. Gowen Fld Airport (BOI)?

    Boise Air Term. Gowen Fld Airport (BOI) hosts 5 major car rental companies, with daily rates starting from around $31 for economy cars. Top options include:

    • Budget
    • Alamo
    • Hertz
    • Enterprise Rent-A-Car
    • Avis

  • Which airports can I use when flying from Baltimore to Boise?

    Flights from Baltimore to Boise usually depart from Baltimore/Washington (BWI) and arrive at Boise Air Term. Gowen Fld (BOI).

  • Which airports do connecting flights from Baltimore to Boise pass through?

    One-stop flights from Baltimore to Boise most commonly connect through:

    • Denver Intl (DEN) - 49% of one-stop connections
    • Seattle/Tacoma Intl (SEA) - 14% of one-stop connections
    • Minneapolis St Paul (MSP) - 11% of one-stop connections
    • Atlanta Hartsfield-Jackson (ATL) - 10% of one-stop connections

  • Can I save money by using flexible dates for flights from Baltimore to Boise?

    Yes. Flexible dates can save you up to 32% on flights from Baltimore to Boise. Wednesday is the cheapest departure day at $400 round-trip on average, while Tuesday is the most expensive at $588, a difference of $188.

    KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

  • How much time can I save by choosing a different layover airport from Baltimore to Boise?

    Flying via Minneapolis St Paul (MSP) gives the shortest average 1-stop total travel time at 6h 58m, compared with 7h via Chicago O'Hare Intl (ORD) and 7h 02m via Denver Intl (DEN).

  • What is the time difference between Baltimore and Boise?

    Boise is 2 hours behind Baltimore (Mountain Time vs Eastern Time). Plan for the time shift when scheduling connections or first-day activities.

  • What popular places can I visit in Boise?

    Some of the most popular sights in Boise are Idaho Central Arena, Julia Davis Park and Discovery Center of Idaho. These are among the most viewed places in Boise on KAYAK.

Your guide to booking Baltimore to Boise flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates are flexible, aim for a Wednesday departure and avoid flying on Tuesday. On this route, Wednesday flights average $400, about $188 less than Tuesday fares (32% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 20 weeks before you fly. On this route, that window historically saves about 54% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Baltimore to Boise trip for January. Fares historically average $342 round-trip in that month - typically $268 less than the most expensive month, which is May (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Boise Air Term. Gowen Fld Airport.

    • Ramada by Wyndham Boise
    • Super 8 by Wyndham Boise
    • Hotel 28 Boise Airport, an Ascend Collection Hotel

More options for your flight from Baltimore to Boise

Complete your trip to Boise with a hotel stay or car rental

Car rentals in Boise
Hotels in Boise
Vacations in Boise