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Cheap flights from Boise to San Jose Juan Santamaria

Compare Boise to San Jose Juan Santamaria flight deals

Find the cheapest month or even day of the year to fly to San Jose Juan Santamaria

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Flight deals from Boise to San Jose Juan Santamaria

Looking for a cheap last-minute deal or the best round-trip flight from Boise to San Jose Juan Santamaria? Find the lowest prices on one-way and round-trip tickets right here.
San Jose.C$452 per passenger.Departing Fri, Oct 3, returning Tue, Oct 7.Round-trip flight with Delta.Outbound indirect flight with Delta, departing from Boise on Fri, Oct 3, arriving in San Jose Juan Santamaria.Inbound indirect flight with Delta, departing from San Jose Juan Santamaria on Tue, Oct 7, arriving in Boise.Price includes taxes and charges.From C$452, select.
San Jose.C$452 per passenger.Departing Wed, Sep 24, returning Tue, Sep 30.Round-trip flight with Delta.Outbound indirect flight with Delta, departing from Boise on Wed, Sep 24, arriving in San Jose Juan Santamaria.Inbound indirect flight with Delta, departing from San Jose Juan Santamaria on Tue, Sep 30, arriving in Boise.Price includes taxes and charges.From C$452, select.
San Jose.C$576 per passenger.Departing Tue, Aug 12, returning Tue, Aug 19.Round-trip flight with Alaska Airlines and Copa.Outbound indirect flight with Alaska Airlines, departing from Boise on Tue, Aug 12, arriving in San Jose Juan Santamaria.Inbound indirect flight with Copa, departing from San Jose Juan Santamaria on Tue, Aug 19, arriving in Boise.Price includes taxes and charges.From C$576, select.
San Jose.C$621 per passenger.Departing Tue, Aug 26, returning Mon, Sep 8.Round-trip flight with United.Outbound indirect flight with United, departing from Boise on Tue, Aug 26, arriving in San Jose Juan Santamaria.Inbound indirect flight with United, departing from San Jose Juan Santamaria on Mon, Sep 8, arriving in Boise.Price includes taxes and charges.From C$621, select.
San Jose.C$647 per passenger.Departing Thu, Jan 8, returning Thu, Jan 15.Round-trip flight with United.Outbound indirect flight with United, departing from Boise on Thu, Jan 8, arriving in San Jose Juan Santamaria.Inbound indirect flight with United, departing from San Jose Juan Santamaria on Thu, Jan 15, arriving in Boise.Price includes taxes and charges.From C$647, select.
San Jose.C$668 per passenger.Departing Mon, Jul 21, returning Mon, Jul 28.Round-trip flight with United.Outbound indirect flight with United, departing from Boise on Mon, Jul 21, arriving in San Jose Juan Santamaria.Inbound indirect flight with United, departing from San Jose Juan Santamaria on Mon, Jul 28, arriving in Boise.Price includes taxes and charges.From C$668, select.
San Jose.C$735 per passenger.Departing Tue, Jul 29, returning Fri, Aug 1.Round-trip flight with United.Outbound indirect flight with United, departing from Boise on Tue, Jul 29, arriving in San Jose Juan Santamaria.Inbound indirect flight with United, departing from San Jose Juan Santamaria on Fri, Aug 1, arriving in Boise.Price includes taxes and charges.From C$735, select.
San Jose.C$945 per passenger.Departing Mon, Dec 15, returning Mon, Dec 22.Round-trip flight with United.Outbound indirect flight with United, departing from Boise on Mon, Dec 15, arriving in San Jose Juan Santamaria.Inbound indirect flight with United, departing from San Jose Juan Santamaria on Mon, Dec 22, arriving in Boise.Price includes taxes and charges.From C$945, select.

Find the cheapest month to fly from Boise to San Jose Juan Santamaria

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Boise to San Jose Juan Santamaria flights are currently cheapest in September.
Jul
from C$668
Aug
from C$576
Sep
from C$452
Oct
from C$452
Nov
from C$1,296
Dec
from C$945
Jan
from C$647
Feb
Find prices
Mar
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Apr
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May
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Jun
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Boise to San Jose Juan Santamaria: Alternative routes

Compare routes from Boise to San Jose below. You may find an airport to fly into that's cheaper, faster, or easier than San Jose Juan Santamaria.

Boise to San Jose: Flight information

The things to know before you go.
Cheapest flight foundC$452
Cheapest month to flySeptember

Finding cheap flights from Boise to San Jose Juan Santamaria: Frequently asked questions

The best price we found for a round-trip flight from Boise to San Jose Juan Santamaria is C$452. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Boise to San Jose Juan Santamaria. But we found flights with one or more stops from C$452.
There are no flights flying from Boise to San Jose Juan Santamaria, as of July 2025.
The cheapest month to fly from Boise to San Jose Juan Santamaria is usually September.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Boise Airport to San Jose Juan Santamaria Airport on Wednesday, September 24, 2025.
No airlines currently offer direct flights between Boise Airport and San Jose Juan Santamaria Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to San Jose Juan Santamaria but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar, and it looks like the cheapest time to book a flight to San Jose is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Delta offers the cheapest flight tickets to San Jose Juan Santamaria.

Flying from Boise Air Terminal (Gowen Field) Airport (BOI) to Juan Santamaria International Airport (SJO): what you need to know

  • San Jose's timezone is UTC-6, which is the same as Boise.

  • Your BOI to SJO flight won't wait if you're late, so be at the airport on time. Arrive up to one hour in advance for domestic flights and two hours ahead for international travel.

  • Flying during a peak month such as July? Major public holidays and other popular periods can mean longer queues and delays at security. Play things extra safe and get there up to four hours ahead of an international flight and two hours before a domestic departure.

  • If you'd like to add a stop to your trip, simply uncheck 'Direct flights only' when searching for your ticket from Boise Air Terminal (Gowen Field) Airport to Juan Santamaria International Airport. These are the most popular stopovers between BOI and SJO:

    • Denver International Airport

    • Dallas/Fort Worth International Airport

    • Los Angeles International Airport

How to find the cheapest flights from Boise Air Terminal (Gowen Field) Airport (BOI) to Juan Santamaria International Airport (SJO)

  • Right now, C$192 is the lowest price we've seen for a one-way Boise Air Terminal (Gowen Field) Airport to Juan Santamaria International Airport flight. The best price for a return ticket is C$452. Bear in mind that fares could change due to availability at the time of booking.

  • Don't wait until the last minute. You're more likely to find cheap tickets from BOI to SJO if you book ahead. Airlines often have some terrific early bird discounts.

  • The 'Whole month' search function shows you the cheapest flights from Boise Air Terminal (Gowen Field) Airport to Juan Santamaria International Airport across the entire month. It's an easy way to find a bargain if your plans aren't set in stone.

  • You don't need to check back in every day to see if fares have gone down when you set up a Price Alert. We'll update you the moment there's a change in price on cheap flights from BOI to SJO.

  • Secure the perfect flight for you with the help of the filters. To see the 'Cheapest,' 'Fastest' or 'Best' flights from Boise Air Terminal (Gowen Field) Airport to Juan Santamaria International Airport, use the 'Sort by' tool. You can also filter by airline, arrival and departure times, and number of stops.

Handy information about Boise Air Terminal (Gowen Field) Airport (BOI)

  • BOI's address is 3201 Airport Way.

  • Boise Air Terminal (Gowen Field) Airport has a strong on-time record, making delays less likely. Departures from BOI arrive on schedule 83.53% of the time.

  • Boise Air Terminal (Gowen Field) Airport is around 18 kilometres from central Boise. If you're catching a cab, ride-sharing or driving from the centre, it'll take 20 minutes or so to get there, depending on the traffic.

  • Taking public transport? Expect a journey time of around 1 hour 35 minutes.

  • Looking for a convenient hotel close to BOI? If you've booked an early flight from Boise Air Terminal (Gowen Field) Airport to Juan Santamaria International Airport, these accommodation options will put you moments from your departure gate:

Arriving at Juan Santamaria International Airport (SJO)

  • The last thing you need is a lengthy journey to your hotel if you're arriving on a late Boise Air Terminal (Gowen Field) Airport to Juan Santamaria International Airport flight. Stay at one of these accommodation options near SJO instead:

  • Follow your own route with a Juan Santamaria International Airport rental car. Book your wheels from NextCar, Europcar or Dollar and experience more of San Jose and beyond.

  • Reserving your ride from Juan Santamaria International Airport around three weeks in advance boosts your odds of scoring a great price.

Getting from Juan Santamaria International Airport (SJO) to central San Jose

  • Juan Santamaria International Airport to the centre of San Jose has a drive time of around 20 minutes. It's approximately 18 kilometres away.

  • Travelling on public transport typically takes 2 hours 20 minutes.

When to fly to Juan Santamaria International Airport (SJO)

  • The quietest month for a flight from Boise Air Terminal (Gowen Field) Airport to Juan Santamaria International Airport is May, while July is the busiest. Choose the best time to go to San Jose based on whether you prefer a laid-back vibe or a more bustling atmosphere.

  • Lock in your flight from Boise Air Terminal (Gowen Field) Airport to Juan Santamaria International Airport for March if you'd like to explore San Jose during its warmest month. You can expect temperatures of between 12ºC (54ºF) and 29ºC (84ºF).

  • Search for cheap tickets from BOI to SJO in January if you like travelling in cooler conditions. Temperatures are at their lowest around then, ranging between 12ºC (54ºF) and 26ºC (79ºF) on average.

Explore more of Costa Rica

  • You've done San Jose, now it's time to discover other corners of Costa Rica. Journey around 113 kilometres east to Limon to tick off its leading sights. From Veragua Rainforest Park to Playa Bonita and Cruise Pier Puerto Limon, there's plenty to keep you busy.

  • Alajuela is another essential stop in Costa Rica and is around 18 kilometres north-west of San Jose. No trip is complete without visiting La Perla Park, Los Duendes Park and Finca El Soto.

Plan the rest of your trip from Boise to San Jose

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.