BOI - SJO

$250 Find Cheap Flights from Boise to San José - Compare and Save

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1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$449
Typical prices: $438-$698
American Airlines
Thu 2/8Fri 2/23
BOI - SJO • 1 stop
Cheapest one-way
$250
Typical prices: $166-$288
Southwest
Wed 2/21
BOI - SJO • 2 stops
Nonstop flights
Not available
There are currently no direct flights between Boise and San José. You'll need to take a connecting flight to reach the destination.
Insights
Insights
When to book
18 weeks
in advance
Our data shows that travelers who book at least 18 weeks in advance save around 40% compared to booking last minute.
Insights
Insights
When to travel
January
Cheapest • 31% price drop
April
Most popular
Good to know
+1
Good to know
+1
Top layover airports
San Francisco (SFO)
Cheapest • Avg $514 (round-trip)
Denver Intl (DEN)
Shortest trip • 10h 13m (one-way)
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Insights
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We hope you love your trip to San José!
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Flight Deals

Cheap Flights from Boise to San José (BOI-SJO)

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

Recent round-trip flight deals from Boise to San José

Mon, Feb 8 - Tue, Feb 23
American Airlines Logo
7:00 am - 7:55 pmBOI  Boise Air Term. Gowen Fld-SJO San José Juan Santamaria Intl
11h 55m1 stop Dallas/Fort Worth
American Airlines Logo
3:56 pm - 1:16 pmSJO  San José Juan Santamaria Intl-BOI Boise Air Term. Gowen Fld
22h 20m2 stops Miami Dallas/Fort Worth
$449American Airlines
Mon, Feb 8 - Tue, Feb 23
American Airlines Logo
7:00 am - 7:55 pmBOI  Boise Air Term. Gowen Fld-SJO San José Juan Santamaria Intl
11h 55m1 stop Dallas/Fort Worth
American Airlines Logo
3:56 pm - 1:16 pmSJO  San José Juan Santamaria Intl-BOI Boise Air Term. Gowen Fld
22h 20m2 stops Miami Dallas/Fort Worth
$508American Airlines
Fri, Oct 30 - Fri, Nov 6
United Airlines Logo
7:10 pm - 7:32 amBOI  Boise Air Term. Gowen Fld-SJO San José Juan Santamaria Intl
12h 22m1 stop San Francisco
United Airlines Logo
9:40 am - 9:15 pmSJO  San José Juan Santamaria Intl-BOI Boise Air Term. Gowen Fld
12h 35m1 stop San Francisco
$540United Airlines
Thu, Oct 15 - Thu, Oct 22
United Airlines Logo
6:50 pm - 7:15 amBOI  Boise Air Term. Gowen Fld-SJO San José Juan Santamaria Intl
12h 25m1 stop San Francisco
United Airlines Logo
8:45 am - 11:59 pmSJO  San José Juan Santamaria Intl-BOI Boise Air Term. Gowen Fld
15h 14m1 stop San Francisco
$540United Airlines
Fri, Oct 30 - Fri, Nov 6
United Airlines Logo
2:51 pm - 5:25 amBOI  Boise Air Term. Gowen Fld-SJO San José Juan Santamaria Intl
14h 34m2 stops Denver Intl Los Angeles
United Airlines Logo
9:40 am - 9:15 pmSJO  San José Juan Santamaria Intl-BOI Boise Air Term. Gowen Fld
12h 35m1 stop San Francisco
$540United Airlines
Fri, Oct 30 - Fri, Nov 6
American Airlines Logo
2:41 pm - 12:00 pmBOI  Boise Air Term. Gowen Fld-SJO San José Juan Santamaria Intl
21h 19m2 stops Dallas/Fort Worth Miami
American Airlines Logo
6:20 am - 10:42 pmSJO  San José Juan Santamaria Intl-BOI Boise Air Term. Gowen Fld
17h 22m2 stops Miami Dallas/Fort Worth
$545American Airlines
Sat, Feb 13 - Sun, Feb 21
Multiple Airlines Logo
8:18 am - 11:15 pmBOI  Boise Air Term. Gowen Fld-SJO San José Juan Santamaria Intl
13h 57m2 stops Los Angeles Guatemala City La Aurora
Multiple Airlines Logo
5:35 am - 10:55 pmSJO  San José Juan Santamaria Intl-BOI Boise Air Term. Gowen Fld
18h 20m2 stops Guatemala City La Aurora Los Angeles
$548Multiple Airlines
Mon, Feb 8 - Tue, Feb 23
Multiple Airlines Logo
7:25 am - 11:15 pmBOI  Boise Air Term. Gowen Fld-SJO San José Juan Santamaria Intl
14h 50m2 stops Los Angeles Guatemala City La Aurora
Multiple Airlines Logo
5:35 am - 10:55 pmSJO  San José Juan Santamaria Intl-BOI Boise Air Term. Gowen Fld
18h 20m2 stops Guatemala City La Aurora Los Angeles
$548Multiple Airlines
Fri, Feb 12 - Sat, Feb 20
Southwest Logo
8:20 pm - 11:30 amBOI  Boise Air Term. Gowen Fld-SJO San José Juan Santamaria Intl
14h 10m2 stops Las Vegas Harry Reid Intl Houston Hobby
Southwest Logo
12:30 pm - 9:45 pmSJO  San José Juan Santamaria Intl-BOI Boise Air Term. Gowen Fld
10h 15m1 stop Denver Intl
$773Southwest
Thu, Dec 17 - Tue, Dec 22
Southwest Logo
8:30 pm - 2:25 pmBOI  Boise Air Term. Gowen Fld-SJO San José Juan Santamaria Intl
16h 55m2 stops Las Vegas Harry Reid Intl Houston Hobby
Southwest Logo
3:25 pm - 10:35 amSJO  San José Juan Santamaria Intl-BOI Boise Air Term. Gowen Fld
20h 10m2 stops Orlando Denver Intl
$1,077Southwest
Booking Insights

Price, demand and travel trends for Boise to San José flights

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

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

Round-trip flights from Boise to San José start at $449. Prices are typical for this route right now, with typical round-trip fares ranging from $438 to $698. The lowest price found in the past 5 days was $449 on American Airlines.

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

Wednesday is the cheapest day of the week to fly from Boise to San José, it is 19% cheaper than the average day. Friday is the most expensive day with flight prices 29% higher than average. Based on deals found by KAYAK users in the last 12 months.

What is the cheapest month to fly from Boise to San José?

•January is the cheapest month to fly from Boise to San José at $371 round-trip.
•December ($1,084) and June ($661) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 192% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are prices from Boise to San José the cheapest?

Flights from Boise to San José are cheapest 18 weeks before departure. Booking in this window typically costs about 40% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

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Key details for Boise to San José flights

Low season

October

Cheapest flight

$250
Best time to beat the crowds with an average 18% drop in price.
Most popular time to fly and prices are also 12% lower on average.
Flight from Boise to San José

When to book flights from Boise to San José

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

Your Boise to San José 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 Boise to San José?

    Flights from Boise to San José usually depart from Boise Air Term. Gowen Fld (BOI) and arrive at San José Juan Santamaria Intl (SJO).

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

    Two cabin classes are available on flights from Boise to San José:

    • Economy Class
    • First Class

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

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

    • San Francisco (SFO) - 54% of one-stop connections
    • Dallas/Fort Worth (DFW) - 38% of one-stop connections
    • Denver Intl (DEN) - 4% of one-stop connections
    • Los Angeles (LAX) - 4% of one-stop connections

    San Francisco (SFO) handles the largest share of one-stop connections on this route.

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

    Yes. Being flexible with your travel dates can save you up to 38% on the Boise to San José route. Wednesday is the cheapest departure day at $435 round-trip on average, while Friday is the most expensive at $691, a difference of $256. 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 San José?

    Some of the most popular sights in San José are Parque Metropolitano La Sabana, Estadio Nacional de Costa Rica and Museo de Oro. These are among the most viewed places in San José on KAYAK.

  • How expensive are last-minute Boise to San José flights?

    Last-minute fares on this route - booked within 2 weeks of departure - run 12% above the route average of $535. Book 18 weeks before departure for the lowest fares.

  • How long is a flight from Boise to San José?

    A nonstop flight from Boise to San José takes 0h 00m, covering 3,008 miles.

  • Do I need a passport to fly from Boise to San José?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • Have flight prices from Boise to San José 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 $449 to $4,017. That means the highest observed fare was about 9x higher than the lowest one.

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

    One-way fares from Boise to San José are currently higher than usual. Average one-way flight prices are about $311, which is 46% above the typical average for this route.

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

    Flying via Denver Intl (DEN) gives the shortest average 1-stop total travel time at 10h 13m, compared with 11h 40m via Dallas/Fort Worth (DFW) and 12h 22m via San Francisco (SFO).

  • What car rental options are available at San José Juan Santamaria Intl Airport (SJO)?

    San José Juan Santamaria Intl Airport (SJO) hosts 5 major car rental companies, with daily rates starting from around $1 for economy cars. Top options include:
    • Budget
    • Avis
    • Priceless
    • Routes Car & Truck Rentals
    • Payless

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

    Round-trip flights from Boise to San José range from $438 to $698, with an average of $535 over the past 12 months. Anything below $438 counts as a good deal.

Your guide to booking Boise to San José 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 Friday. On this route, Wednesday flights average $435 - about $256 less than Friday (37% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 18 weeks before you fly. On this route, that window historically saves about 40% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Boise to San José trip for January. Fares historically average $371 round-trip in that month - typically $713 less than the most expensive month, which is December (based on the last 12 months).

More options for your flight from Boise to San José

Complete your trip to San José with a hotel stay or car rental

Car rentals in San José
Hotels in San José
Vacations in San José