BWI - BOI

$137 Find Cheap Flights from Baltimore to Boise - Compare and Save

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1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$303
Typical prices: $387-$588
United Airlines
Sun 9/9Wed 9/12
BWI - BOI • 1 stop
Cheapest one-way
$137
Typical prices: $218-$382
Frontier
Sat 10/20
BWI - BOI • 2 stops
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
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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)
Chicago O'Hare Intl (ORD)
Shortest trip • 7h 00m (one-way)
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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

Wed, Sep 9 - Sat, Sep 12
United Airlines Logo
4:18 pm - 9:45 pmBWI  Baltimore/Washington-BOI Boise Air Term. Gowen Fld
7h 27m1 stop Denver Intl
United Airlines Logo
12:30 pm - 9:29 pmBOI  Boise Air Term. Gowen Fld-BWI Baltimore/Washington
6h 59m1 stop Chicago O'Hare Intl
$303United Airlines
Wed, Oct 21 - Wed, Oct 28
United Airlines Logo
6:25 am - 11:28 amBWI  Baltimore/Washington-BOI Boise Air Term. Gowen Fld
7h 03m1 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
$303United Airlines
Wed, Nov 4 - Sat, Nov 7
Delta Logo
7:00 am - 1:34 pmBWI  Baltimore/Washington-BOI Boise Air Term. Gowen Fld
8h 34m1 stop Atlanta Hartsfield-Jackson
Delta Logo
1:40 pm - 11:28 pmBOI  Boise Air Term. Gowen Fld-BWI Baltimore/Washington
7h 48m1 stop Atlanta Hartsfield-Jackson
$303Delta
Tue, Sep 15 - Mon, Sep 21
Delta Logo
7:15 pm - 11:59 pmBWI  Baltimore/Washington-BOI Boise Air Term. Gowen Fld
6h 44m1 stop Minneapolis St Paul
Delta Logo
11:10 pm - 9:16 amBOI  Boise Air Term. Gowen Fld-BWI Baltimore/Washington
8h 06m1 stop Atlanta Hartsfield-Jackson
$303Delta
Tue, Dec 8 - Sat, Dec 12
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
$303American Airlines
Tue, Oct 6 - Tue, Oct 13
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
3:24 pm - 12:16 amBOI  Boise Air Term. Gowen Fld-BWI Baltimore/Washington
6h 52m1 stop Chicago O'Hare Intl
$303American Airlines
Tue, Sep 15 - Tue, Sep 22
Southwest Logo
3:45 pm - 11:15 pmBWI  Baltimore/Washington-BOI Boise Air Term. Gowen Fld
9h 30m1 stop Denver Intl
Southwest Logo
3:30 pm - 6:35 amBOI  Boise Air Term. Gowen Fld-BWI Baltimore/Washington
13h 05m1 stop San Diego
$308Southwest
Sat, Sep 19 - Tue, Sep 22
Southwest Logo
6:55 am - 1:00 pmBWI  Baltimore/Washington-BOI Boise Air Term. Gowen Fld
8h 05m1 stop Phoenix Sky Harbor Intl
Southwest Logo
3:30 pm - 6:35 amBOI  Boise Air Term. Gowen Fld-BWI Baltimore/Washington
13h 05m1 stop San Diego
$308Southwest
Thu, Sep 24 - Sat, Sep 26
Alaska Airlines Logo
7:15 pm - 9:56 amBWI  Baltimore/Washington-BOI Boise Air Term. Gowen Fld
16h 41m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
6:00 am - 3:40 pmBOI  Boise Air Term. Gowen Fld-BWI Baltimore/Washington
7h 40m1 stop Portland
$323Alaska Airlines
Thu, Sep 24 - Tue, Sep 29
Alaska Airlines Logo
7:15 pm - 9:56 amBWI  Baltimore/Washington-BOI Boise Air Term. Gowen Fld
16h 41m1 stop Seattle/Tacoma Intl
Alaska Airlines Logo
6:00 am - 3:40 pmBOI  Boise Air Term. Gowen Fld-BWI Baltimore/Washington
7h 40m1 stop Portland
$323Alaska Airlines
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 from Baltimore to Boise with more confidence.

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

Round-trip flights from Baltimore to Boise start at $303. Prices are below average for this route right now, with typical round-trip fares ranging from $387 to $588. The lowest price found in the past 5 days was $303 on United Airlines.

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

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

What is 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 prices 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

$137
Best time to beat the crowds but there is an average 17% increase in price.
Most popular time to fly with an average 23% increase in price.
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 route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • 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).

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

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

  • 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) - 54% of one-stop connections
    • Seattle/Tacoma Intl (SEA) - 17% of one-stop connections
    • Minneapolis St Paul (MSP) - 11% of one-stop connections
    • Las Vegas Harry Reid Intl (LAS) - 7% of one-stop connections

    Denver Intl (DEN) handles the largest share of one-stop connections on this route.

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

    Yes. Being flexible with your travel dates can save you up to 32% on the Baltimore to Boise route. 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.

  • What popular places can I visit in Boise?

    Some of the most popular sights in Boise are Boise Center, Idaho Central Arena and Boise River Greenbelt. These are among the most viewed places in Boise on KAYAK.

  • How long is a flight from Baltimore to Boise?

    A nonstop flight from Baltimore to Boise takes 0h 00m, covering 2,052 miles.

  • What are the earliest and latest flights from Baltimore to Boise?

    These are the earliest and latest flight times available from Baltimore to Boise:

    • Earliest: departs at 12:00 am and lands at 12:00 am
    • Latest: departs at 12:00 am and lands at 12:00 am.

    The flight takes about 0h 00m.

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

    Last-minute fares on this route - booked within 2 weeks of departure - run 64% above the route average of $459. Book 20 weeks before departure for the lowest fares.

  • 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.

  • Have flight prices from Baltimore to Boise changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $303 to $1,384. That means the highest observed fare was about 5x higher than the lowest one.

  • 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 $163, which is 44% below the typical average for this route.

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

    Flying via Chicago O'Hare Intl (ORD) gives the shortest average 1-stop total travel time at 7h 00m, compared with 7h 01m via Minneapolis St Paul (MSP) and 7h 31m 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 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

  • 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.

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 can be flexible, aim for a Wednesday departure instead of Tuesday. On this route, Wednesday flights average $400 - about $188 less than Tuesday (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
    - Americas Best Value Inn & Suites-Boise
    - Super 8 by Wyndham Boise

Everything you need to know for your flight from Baltimore to Boise

Information on your arrival and departure airports

Baltimore (BWI)
Boise (BOI)