What airlines fly to San José?

United Airlines, American Airlines and Southwest are the top three most popular airlines that fly to San José from Boise according to our data. United Airlines is the first choice among our users, with 56% of people opting to fly with this airline when traveling to San José. Keep in mind that there are 3 different airlines that fly to San José on a routine basis, so you have a few additional options to choose from.

Which layover airport offers the lowest fares from Boise to San José?

Flights via San Francisco (SFO) offer the lowest average round-trip price of $470.

Which layover airport has the shortest travel time from Boise to San José?

Flights connecting via Dallas (DFW) have the shortest average one-way travel time: 8h 11m.

Which layover airport has the shortest connection time from Boise to San José?

Dallas (DFW) has the shortest average layover time for this route: 2h 19m.

Which airport is the most popular layover for flights between Boise and San José?

Dallas (DFW) was the most common stop: 67% of momondo users choosing 1-stop flights on this route connected there.

What is the cheapest airline that flies from Boise Air Term. Gowen Fld to San José Juan Santamaria Intl?

United Airlines and American Airlines are the most popular carriers operating from Boise Air Term. Gowen Fld to San José Juan Santamaria Intl

When did momondo last update prices for flights from Boise Air Term. Gowen Fld Airport to San José Juan Santamaria Intl Airport?

Prices for flights from Boise Air Term. Gowen Fld Airport to San José Juan Santamaria Intl Airport are updated daily.

How many operators does momondo search for flights from Boise Air Term. Gowen Fld Airport to San José Juan Santamaria Intl Airport?

As of November 2026, there are 3 operators available to choose from for flights from Boise Air Term. Gowen Fld Airport to San José Juan Santamaria Intl Airport.

How old do you have to be to fly from Boise Air Term. Gowen Fld Airport to San José Juan Santamaria Intl 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 Boise Air Term. Gowen Fld Airport to San José Juan Santamaria Intl Airport.

What documentation or ID do you need to fly to San José Juan Santamaria Intl Airport?

The necessary travel and health documents for your San José Juan Santamaria Intl 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.

$269 Cheap Flights from Boise to San José in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Boise to San José

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6:00 am - 11:57 pmBOI Boise Air Term. Gowen Fld-SJO San José Juan Santamaria Intl

16h 57m2 stops Portland Los Angeles

1:45 am - 6:19 pmSJO San José Juan Santamaria Intl-BOI Boise Air Term. Gowen Fld

17h 34m1 stop Los Angeles

$568Alaska Airlines

Sun, Feb 21 - Mon, Mar 1

8:25 am - 7:00 pmBOI Boise Air Term. Gowen Fld-SJO San José Juan Santamaria Intl

10h 35m2 stops Denver Intl Houston Hobby

9:00 am - 10:10 pmSJO San José Juan Santamaria Intl-BOI Boise Air Term. Gowen Fld

13h 10m2 stops Orlando Denver Intl

$571Southwest

Wed, Apr 7 - Wed, Apr 21

8:55 pm - 1:45 pmBOI Boise Air Term. Gowen Fld-SJO San José Juan Santamaria Intl

15h 50m2 stops Las Vegas Harry Reid Intl Houston Hobby

1:05 pm - 12:45 amSJO San José Juan Santamaria Intl-BOI Boise Air Term. Gowen Fld

12h 40m2 stops Houston Hobby Phoenix Sky Harbor Intl

$576Southwest

Mon, Feb 22 - Mon, Mar 1

4:08 pm - 8:32 amBOI Boise Air Term. Gowen Fld-SJO San José Juan Santamaria Intl

15h 24m1 stop San Francisco

9:40 am - 9:25 pmSJO San José Juan Santamaria Intl-BOI Boise Air Term. Gowen Fld

12h 45m1 stop San Francisco

$581United Airlines

Sun, Feb 21 - Tue, Mar 2

7:00 am - 7:54 pmBOI Boise Air Term. Gowen Fld-SJO San José Juan Santamaria Intl

11h 54m1 stop Dallas/Fort Worth

6:30 am - 8:06 pmSJO San José Juan Santamaria Intl-BOI Boise Air Term. Gowen Fld

14h 36m1 stop Dallas/Fort Worth

$581American Airlines

Wed, Jan 20 - Sat, Jan 30

12:26 pm - 10:59 pmBOI Boise Air Term. Gowen Fld-SJO San José Juan Santamaria Intl

9h 33m1 stop Dallas/Fort Worth

12:25 am - 11:36 amSJO San José Juan Santamaria Intl-BOI Boise Air Term. Gowen Fld

12h 11m1 stop Dallas/Fort Worth

$581American Airlines

Wed, Feb 24 - Sun, Feb 28

8:47 am - 11:57 pmBOI Boise Air Term. Gowen Fld-SJO San José Juan Santamaria Intl

14h 10m2 stops Seattle/Tacoma Intl Los Angeles

1:45 am - 3:05 pmSJO San José Juan Santamaria Intl-BOI Boise Air Term. Gowen Fld

14h 20m2 stops Los Angeles Seattle/Tacoma Intl

$584Alaska Airlines

Sun, Feb 21 - Mon, Mar 1

6:55 pm - 7:15 amBOI Boise Air Term. Gowen Fld-SJO San José Juan Santamaria Intl

12h 20m1 stop San Francisco

6:00 am - 7:16 pmSJO San José Juan Santamaria Intl-BOI Boise Air Term. Gowen Fld

13h 16m2 stops Los Angeles San Francisco

$585United Airlines

Wed, Apr 28 - Sat, May 8

7:57 pm - 9:49 pmBOI Boise Air Term. Gowen Fld-SJO San José Juan Santamaria Intl

24h 52m2 stops Seattle/Tacoma Intl Atlanta Hartsfield-Jackson

3:55 pm - 8:48 pmSJO San José Juan Santamaria Intl-BOI Boise Air Term. Gowen Fld

29h 53m2 stops Atlanta Hartsfield-Jackson Minneapolis St Paul

$605Delta

Mon, Jan 11 - Sat, Jan 16

4:00 pm - 12:10 pmBOI Boise Air Term. Gowen Fld-SJO San José Juan Santamaria Intl

20h 10m2 stops Phoenix Sky Harbor Intl Orlando

9:00 am - 9:35 pmSJO San José Juan Santamaria Intl-BOI Boise Air Term. Gowen Fld

12h 35m2 stops Denver Intl Sacramento Intl

$609Southwest

Wed, Apr 28 - Sat, May 8

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Southwest flights from Boise to San José

Our best Southwest deals on Boise to San José flight tickets

Southwest

Feb 22

BOI8:55 pmBoise Air Term. Gowen Fld

15h 50m

2 stops

SJO1:45 pmSan José Juan Santamaria Intl

Mar 1

SJO1:05 pmSan José Juan Santamaria Intl

12h 40m

2 stops

BOI12:45 amBoise Air Term. Gowen Fld

$576

Southwest

Feb 28

BOI4:15 pmBoise Air Term. Gowen Fld

18h 50m

2 stops

SJO12:05 pmSan José Juan Santamaria Intl

Mar 16

SJO1:55 pmSan José Juan Santamaria Intl

21h 50m

2 stops

BOI11:45 amBoise Air Term. Gowen Fld

$609

Southwest

Jan 24

BOI2:35 pmBoise Air Term. Gowen Fld

21h 15m

2 stops

SJO12:50 pmSan José Juan Santamaria Intl

Jan 31

SJO1:05 pmSan José Juan Santamaria Intl

13h 35m

2 stops

BOI1:40 amBoise Air Term. Gowen Fld

$651

American Airlines flights from Boise to San José

Our best American Airlines deals on Boise to San José flight tickets

American Airlines

Jan 20

BOI7:00 amBoise Air Term. Gowen Fld

11h 54m

1 stop

SJO7:54 pmSan José Juan Santamaria Intl

Jan 30

SJO6:30 amSan José Juan Santamaria Intl

14h 36m

1 stop

BOI8:06 pmBoise Air Term. Gowen Fld

$581

American Airlines

Jan 24

BOI1:35 pmBoise Air Term. Gowen Fld

23h 25m

1 stop

SJO2:00 pmSan José Juan Santamaria Intl

Feb 3

SJO3:56 pmSan José Juan Santamaria Intl

20h 52m

2 stops

BOI11:48 amBoise Air Term. Gowen Fld

$597

American Airlines

Apr 27

BOI7:00 amBoise Air Term. Gowen Fld

14h 36m

1 stop

SJO9:36 pmSan José Juan Santamaria Intl

May 4

SJO11:35 pmSan José Juan Santamaria Intl

13h 28m

1 stop

BOI1:03 pmBoise Air Term. Gowen Fld

$601

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BoiseSan José

BOI Boise Air Term. Gowen Fld - SJO San José Juan Santamaria Intl

BOISJO

Boise Air Term. Gowen Fld

Sun 2/21

6:00 am-11:57 pm

2 stops16h 57m

San José Juan Santamaria Intl

Mon 3/1

1:45 am-6:19 pm

1 stop17h 34m

$568

BoiseSan José

BOI Boise Air Term. Gowen Fld - SJO San José Juan Santamaria Intl

BOISJO

Boise Air Term. Gowen Fld

Wed 4/7

8:25 am-7:00 pm

2 stops10h 35m

San José Juan Santamaria Intl

Wed 4/21

9:00 am-10:10 pm

2 stops13h 10m

$571

BoiseSan José

BOI Boise Air Term. Gowen Fld - SJO San José Juan Santamaria Intl

BOISJO

Boise Air Term. Gowen Fld

Mon 2/22

8:55 pm-1:45 pm

2 stops15h 50m

San José Juan Santamaria Intl

Mon 3/1

1:05 pm-12:45 am

2 stops12h 40m

$576

BoiseSan José

BOI Boise Air Term. Gowen Fld - SJO San José Juan Santamaria Intl

BOISJO

Boise Air Term. Gowen Fld

Sun 2/21

4:08 pm-8:32 am

1 stop15h 24m

San José Juan Santamaria Intl

Tue 3/2

9:40 am-9:25 pm

1 stop12h 45m

$581

BoiseSan José

BOI Boise Air Term. Gowen Fld - SJO San José Juan Santamaria Intl

BOISJO

Boise Air Term. Gowen Fld

Wed 1/20

7:00 am-7:54 pm

1 stop11h 54m

San José Juan Santamaria Intl

Sat 1/30

6:30 am-8:06 pm

1 stop14h 36m

$581

Quickest round-trip

BoiseSan José

BOI Boise Air Term. Gowen Fld - SJO San José Juan Santamaria Intl

BOISJO

Boise Air Term. Gowen Fld

Wed 2/24

12:26 pm-10:59 pm

1 stop9h 33m

San José Juan Santamaria Intl

Sun 2/28

12:25 am-11:36 am

1 stop12h 11m

$581

BoiseSan José

BOI Boise Air Term. Gowen Fld - SJO San José Juan Santamaria Intl

BOISJO

Boise Air Term. Gowen Fld

Sun 2/21

8:47 am-11:57 pm

2 stops14h 10m

San José Juan Santamaria Intl

Mon 3/1

1:45 am-3:05 pm

2 stops14h 20m

$584

BoiseSan José

BOI Boise Air Term. Gowen Fld - SJO San José Juan Santamaria Intl

BOISJO

Boise Air Term. Gowen Fld

Wed 4/28

6:55 pm-7:15 am

1 stop12h 20m

San José Juan Santamaria Intl

Sat 5/8

6:00 am-7:16 pm

2 stops13h 16m

$585

BoiseSan José

BOI Boise Air Term. Gowen Fld - SJO San José Juan Santamaria Intl

BOISJO

Boise Air Term. Gowen Fld

Mon 1/11

7:57 pm-9:49 pm

2 stops24h 52m

San José Juan Santamaria Intl

Sat 1/16

3:55 pm-8:48 pm

2 stops29h 53m

$605

BoiseSan José

BOI Boise Air Term. Gowen Fld - SJO San José Juan Santamaria Intl

BOISJO

Boise Air Term. Gowen Fld

Wed 4/28

4:00 pm-12:10 pm

2 stops20h 10m

San José Juan Santamaria Intl

Sat 5/8

9:00 am-9:35 pm

2 stops12h 35m

$609

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Boise to San José

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

Prices

Airlines

Layovers

What is the typical price of a round-trip flight between Boise and San José?

Prices are currently typical for flights on this route.

Typical prices usually range from $390 to $657.
The lowest price recently found on this route was $568.

What is the cheapest month to fly to San José?

In general, April is the cheapest month to fly from Boise to San José. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $477. If you don’t want to visit San José in April, then you should wait until August to fly from Boise, when ticket prices are also cheap, with an average price of $503.

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

You are more likely to see cheaper flights to San José from Boise when booking weeks ahead of your departure date. In general, you can expect to find flights to San José for around $664 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San José from Boise for as low as $428 on momondo.

Can stopping save me money on Boise to San José flights?

You could potentially save up to 45% on your flight if you consider stops on a Boise to San José flight.

When to book flights from Boise to San José

Are you open to changing your travel dates? Check out the ideal times to fly from Boise to San José according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Boise to San José (BOI to SJO) flight deals and tips

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

Best Price Found	$269
Fastest flight time	12h 20m
Direct flights	None

The best one-way flight to San José from Boise in the past 72 hours is $269. The best round-trip flight deal from Boise to San José found on momondo in the last 72 hours is $568.

The fastest flight from Boise to San José takes 12h 20m

There are no direct flights from Boise to San José. There are no popular flight routes from Boise to San José.

Search flight deals

Frequently asked questions about flying from Boise to San José

How far is Boise Air Term. Gowen Fld to San José Juan Santamaria Intl by plane?
A flight from Boise Air Term. Gowen Fld to San José Juan Santamaria Intl will travel around 3016.7 mi. In terms of flight time, this usually takes a little over 12h 20m.
When did momondo last update prices for flights from Boise Air Term. Gowen Fld Airport to San José Juan Santamaria Intl Airport?
Prices for flights from Boise Air Term. Gowen Fld Airport to San José Juan Santamaria Intl Airport are updated daily.
How many operators does momondo search for flights from Boise Air Term. Gowen Fld Airport to San José Juan Santamaria Intl Airport?
As of November 2026, there are 3 operators available to choose from for flights from Boise Air Term. Gowen Fld Airport to San José Juan Santamaria Intl Airport.
How old do you have to be to fly from Boise Air Term. Gowen Fld Airport to San José Juan Santamaria Intl 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 Boise Air Term. Gowen Fld Airport to San José Juan Santamaria Intl Airport.
What documentation or ID do you need to fly to San José Juan Santamaria Intl Airport?
The necessary travel and health documents for your San José Juan Santamaria Intl 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 Boise to San José?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Boise to San José is United Airlines (56% of total bookings). The next most popular airlines are American Airlines (29%) and Southwest (15%).

Best airlines flying from Boise to San José

Compare and see reviews for airlines that fly from Boise to San José with momondo

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $353	Free Cancellation	Rating 7.3 10,458 reviews	Search United Airlines flights
American Airlines	PriceFrom $404	Free Cancellation	Rating 7.0 12,231 reviews	Search American Airlines flights
Southwest	PriceFrom $487	Free Cancellation	Rating 8.0 4,211 reviews	Search Southwest flights

Manuel Antonio

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Monteverde

Alajuela

Heredia

Santa Elena

San Gerardo de Dota

Dominical

Esterillos Este

Why use momondo?

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

It is quick and easy to find Boise to San José flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to San José that suits you.

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

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

How can momondo help me find flights from Boise to San José?

Once you have performed a search for Boise to San José 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 Boise to San José right now. Can momondo alert me if prices change?

Price alerts on flights to San José from Boise are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

An easier way to manage your San José trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

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Cheap flights from Boise to San José from $269

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Boise to San José departing on 1/26. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Southwest flights from Boise to San José

Our best Southwest deals on Boise to San José flight tickets

American Airlines flights from Boise to San José

Our best American Airlines deals on Boise to San José flight tickets

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How to get the cheapest flight ticket from Boise to San José

What is the typical price of a round-trip flight between Boise and San José?

What is the cheapest month to fly to San José?

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

Can stopping save me money on Boise to San José flights?

What is the cheapest airline that flies from Boise Air Term. Gowen Fld to San José Juan Santamaria Intl?

What airlines fly to San José?

Which airport is the most popular layover for flights between Boise and San José?

Which layover airport offers the lowest fares from Boise to San José?

Which layover airport has the shortest travel time from Boise to San José?

Which layover airport has the shortest connection time from Boise to San José?

When to book flights from Boise to San José

Cheap Boise to San José (BOI to SJO) flight deals and tips

Best Price Found

Fastest flight time

Direct flights

Frequently asked questions about flying from Boise to San José

Best airlines flying from Boise to San José

Compare and see reviews for airlines that fly from Boise to San José with momondo

Traveling to a place near San José?

Why use momondo?

An easier way to manage your San José trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Costa Rica

Airports servicing Costa Rica

Fly your favorite airline to San José

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to San José

List of cabin classes available on flights landing in San José. Availability may vary depending on flight origin and airline.

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