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Cheap flights from Boise to San José from $194

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 1/29. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Boise to San José

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
5:00 am - 6:16 pm
BOI
-
SJO
12h 16m2 stops
United Airlines Logo
8:40 am - 9:13 pm
SJO
-
BOI
12h 33m1 stop
$298United Airlines
Tue, Mar 3 - Mon, Mar 9
Multiple Airlines Logo
8:33 pm - 11:15 pm
BOI
-
SJO
25h 42m2 stops
Multiple Airlines Logo
6:00 am - 12:44 pm
SJO
-
BOI
30h 44m2 stops
$332Multiple Airlines
Wed, Mar 4 - Tue, Mar 10
Multiple Airlines Logo
7:05 am - 11:15 pm
BOI
-
SJO
15h 10m2 stops
Multiple Airlines Logo
6:00 am - 11:00 pm
SJO
-
BOI
18h 00m2 stops
$350Multiple Airlines
Tue, Feb 3 - Sat, Feb 28
Multiple Airlines Logo
7:05 am - 11:15 pm
BOI
-
SJO
15h 10m2 stops
Multiple Airlines Logo
6:00 am - 11:02 pm
SJO
-
BOI
18h 02m2 stops
$361Multiple Airlines
Tue, Feb 3 - Tue, Feb 10
American Airlines Logo
1:39 pm - 10:43 pm
BOI
-
SJO
8h 04m1 stop
American Airlines Logo
3:59 pm - 12:48 pm
SJO
-
BOI
21h 49m2 stops
$378American Airlines
Wed, Feb 18 - Wed, Feb 25
Multiple Airlines Logo
8:16 am - 9:35 am
BOI
-
SJO
24h 19m2 stops
Multiple Airlines Logo
3:05 pm - 11:00 pm
SJO
-
BOI
32h 55m2 stops
$383Multiple Airlines
Wed, Feb 18 - Wed, Feb 25
Alaska Airlines Logo
8:16 am - 12:07 am
BOI
-
SJO
14h 51m1 stop
Alaska Airlines Logo
1:27 am - 11:59 pm
SJO
-
BOI
23h 32m2 stops
$388Alaska Airlines
Mon, Mar 2 - Tue, Mar 3
Multiple Airlines Logo
8:12 pm - 11:40 pm
BOI
-
SJO
26h 28m3 stops
Multiple Airlines Logo
5:00 am - 11:44 am
SJO
-
BOI
31h 44m2 stops
$392Multiple Airlines
Sat, Feb 28 - Sat, Mar 7
Multiple Airlines Logo
8:12 pm - 9:35 am
BOI
-
SJO
36h 23m2 stops
Multiple Airlines Logo
5:00 am - 11:44 am
SJO
-
BOI
31h 44m2 stops
$393Multiple Airlines
Sat, Feb 28 - Sat, Mar 7
Multiple Airlines Logo
8:16 am - 11:40 pm
BOI
-
SJO
14h 24m2 stops
Multiple Airlines Logo
9:35 am - 12:44 pm
SJO
-
BOI
27h 09m2 stops
$407Multiple Airlines
Tue, Mar 3 - Mon, Mar 9

United Airlines flights from Boise to San José

Our best United Airlines deals on Boise to San José flight tickets
United Airlines
Mar 3
BOI5:00 amBoise Air Term. Gowen Fld
12h 16m
2 stops
SJO6:16 pmSan José Juan Santamaria Intl
Mar 9
SJO8:40 amSan José Juan Santamaria Intl
12h 33m
1 stop
BOI9:13 pmBoise Air Term. Gowen Fld
$298
Find similar
United Airlines
May 28
BOI4:05 pmBoise Air Term. Gowen Fld
15h 10m
1 stop
SJO7:15 amSan José Juan Santamaria Intl
Jun 1
SJO12:30 amSan José Juan Santamaria Intl
13h 00m
2 stops
BOI1:30 pmBoise Air Term. Gowen Fld
$343
Find similar
United Airlines
May 4
BOI4:05 pmBoise Air Term. Gowen Fld
15h 10m
1 stop
SJO7:15 amSan José Juan Santamaria Intl
May 11
SJO1:25 pmSan José Juan Santamaria Intl
20h 29m
2 stops
BOI9:54 amBoise Air Term. Gowen Fld
$365
Find similar

Alaska Airlines flights from Boise to San José

Our best Alaska Airlines deals on Boise to San José flight tickets
Alaska Airlines
Apr 20
BOI8:07 amBoise Air Term. Gowen Fld
15h 46m
1 stop
SJO11:53 pmSan José Juan Santamaria Intl
Apr 28
SJO12:55 amSan José Juan Santamaria Intl
11h 39m
1 stop
BOI12:34 pmBoise Air Term. Gowen Fld
$329
Find similar
Alaska Airlines
Apr 20
BOI8:20 amBoise Air Term. Gowen Fld
15h 33m
2 stops
SJO11:53 pmSan José Juan Santamaria Intl
Apr 28
SJO12:55 amSan José Juan Santamaria Intl
21h 32m
2 stops
BOI10:27 pmBoise Air Term. Gowen Fld
$344
Find similar
Alaska Airlines
Apr 20
BOI6:00 amBoise Air Term. Gowen Fld
17h 53m
2 stops
SJO11:53 pmSan José Juan Santamaria Intl
Apr 30
SJO12:55 amSan José Juan Santamaria Intl
41h 39m
2 stops
BOI6:34 pmBoise Air Term. Gowen Fld
$356
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Boise to San José that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated December 30, 2025.
Use the filters below to find and compare flights from Boise to San José that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BoiseSan José

BOI - SJO

BOISJO

Boise Air Term. Gowen Fld

Tue 3/3

5:00 am-6:16 pm

2 stops12h 16m

San José Juan Santamaria Intl

Mon 3/9

8:40 am-9:13 pm

1 stop12h 33m

$298

BoiseSan José

BOI - SJO

BOISJO

Boise Air Term. Gowen Fld

Wed 3/4

8:33 pm-11:15 pm

2 stops25h 42m

San José Juan Santamaria Intl

Tue 3/10

6:00 am-12:44 pm

2 stops30h 44m

$332

BoiseSan José

BOI - SJO

BOISJO

Boise Air Term. Gowen Fld

Tue 2/3

7:05 am-11:15 pm

2 stops15h 10m

San José Juan Santamaria Intl

Sat 2/28

6:00 am-11:00 pm

2 stops18h 00m

$350

BoiseSan José

BOI - SJO

BOISJO

Boise Air Term. Gowen Fld

Tue 2/3

7:05 am-11:15 pm

2 stops15h 10m

San José Juan Santamaria Intl

Tue 2/10

6:00 am-11:02 pm

2 stops18h 02m

$361

BoiseSan José

BOI - SJO

BOISJO

Boise Air Term. Gowen Fld

Wed 2/18

1:39 pm-10:43 pm

1 stop8h 04m

San José Juan Santamaria Intl

Wed 2/25

3:59 pm-12:48 pm

2 stops21h 49m

$378

BoiseSan José

BOI - SJO

BOISJO

Boise Air Term. Gowen Fld

Wed 2/18

8:16 am-9:35 am

2 stops24h 19m

San José Juan Santamaria Intl

Wed 2/25

3:05 pm-11:00 pm

2 stops32h 55m

$383

BoiseSan José

BOI - SJO

BOISJO

Boise Air Term. Gowen Fld

Mon 3/2

8:16 am-12:07 am

1 stop14h 51m

San José Juan Santamaria Intl

Tue 3/3

1:27 am-11:59 pm

2 stops23h 32m

$388

BoiseSan José

BOI - SJO

BOISJO

Boise Air Term. Gowen Fld

Sat 2/28

8:12 pm-11:40 pm

3 stops26h 28m

San José Juan Santamaria Intl

Sat 3/7

5:00 am-11:44 am

2 stops31h 44m

$392

BoiseSan José

BOI - SJO

BOISJO

Boise Air Term. Gowen Fld

Sat 2/28

8:12 pm-9:35 am

2 stops36h 23m

San José Juan Santamaria Intl

Sat 3/7

5:00 am-11:44 am

2 stops31h 44m

$393

BoiseSan José

BOI - SJO

BOISJO

Boise Air Term. Gowen Fld

Tue 3/3

8:16 am-11:40 pm

2 stops14h 24m

San José Juan Santamaria Intl

Mon 3/9

9:35 am-12:44 pm

2 stops27h 09m

$407

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 14 resultsSorted by cheapest first
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See travel insights to San José from

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

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?

In general, January 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 $371. If you don’t want to visit San José in January, then you should wait until October to fly from Boise, when ticket prices are also cheap, with an average price of $433.

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

You are more likely to see cheaper flights to San José from Boise when booking week ahead of your departure date. In general, you can expect to find flights to San José for around $589 when searching week 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 $425 on momondo.

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

You could potentially save up to 26% on your flight if you consider stops on a Boise to San José flight.

How have Boise to San José flight prices changed over time?

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

Fastest flight time

12h 20m

Direct flights

None
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

  • 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?

  • 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?

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
DeltaPriceFrom $141Free CancellationRating
7.9
8,013 reviews
Search Delta flights
American AirlinesPriceFrom $303Free CancellationRating
7.2
11,074 reviews
Search American Airlines flights
United AirlinesPriceFrom $309Free CancellationRating
7.4
9,124 reviews
Search United Airlines flights
Alaska AirlinesPriceFrom $376Free CancellationRating
8.0
11,583 reviews
Search Alaska Airlines flights
SouthwestPriceFrom $454Free CancellationRating
8.0
4,251 reviews
Search Southwest flights

Traveling to a place near San José?

Book flights to San José if you plan to visit one of these locations
Manuel Antonio
Jacó
Monteverde
Alajuela
Heredia
Dominical
Santa Elena
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

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