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Cheap flights from Idaho to San José from $130

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Idaho to San José departing on 11/11. 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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Find the cheapest flights from Idaho to San José

Cheap round-trip flights

Alaska Airlines Logo
6:28 am - 12:38 amBOI-SJO
17h 10m2 stops
Alaska Airlines Logo
1:55 am - 4:17 pmSJO-BOI
15h 22m2 stops
$280Alaska Airlines
Find Deal
mar., nov. 11 - mar., nov. 18
Alaska Airlines Logo
9:59 am - 12:38 amBOI-SJO
13h 39m2 stops
Alaska Airlines Logo
1:55 am - 1:40 pmSJO-BOI
12h 45m1 stop
$292Alaska Airlines
Find Deal
mar., nov. 11 - lun., nov. 17
United Airlines Logo
2:44 pm - 7:15 amBOI-SJO
16h 31m1 stop
United Airlines Logo
8:40 am - 6:54 pmSJO-BOI
10h 14m1 stop
$298United Airlines
Find Deal
sam., oct. 25 - sam., nov. 1
United Airlines Logo
4:00 pm - 12:56 pmGEG-SJO
18h 56m2 stops
United Airlines Logo
9:40 am - 9:07 pmSJO-GEG
13h 27m1 stop
$315United Airlines
Find Deal
jeu., févr. 19 - mer., févr. 25
Delta Logo
5:17 am - 10:12 pmBOI-SJO
15h 55m2 stops
Delta Logo
2:31 pm - 11:04 amSJO-BOI
21h 33m2 stops
$320Delta
Find Deal
dim., déc. 7 - jeu., déc. 11
American Airlines Logo
5:25 am - 9:17 pmGEG-SJO
13h 52m1 stop
American Airlines Logo
2:56 pm - 12:30 pmSJO-GEG
23h 34m2 stops
$350American Airlines
Find Deal
mer., nov. 5 - mar., déc. 16
American Airlines Logo
7:32 am - 9:30 pmBOI-SJO
12h 58m2 stops
American Airlines Logo
3:50 pm - 12:34 pmSJO-BOI
21h 44m2 stops
$350American Airlines
Find Deal
mer., janv. 14 - mer., janv. 28
Multiple Airlines Logo
6:58 pm - 12:12 pmBOI-SJO
16h 14m2 stops
Multiple Airlines Logo
3:11 pm - 12:34 pmSJO-BOI
22h 23m2 stops
$382Multiple Airlines
Find Deal
mar., nov. 11 - mer., nov. 19
Delta Logo
5:00 am - 10:07 pmGEG-SJO
15h 07m2 stops
Delta Logo
7:00 am - 8:57 pmSJO-GEG
15h 57m2 stops
$386Delta
Find Deal
jeu., nov. 27 - jeu., déc. 4
Multiple Airlines Logo
9:05 am - 12:38 amBOI-SJO
14h 33m2 stops
Multiple Airlines Logo
1:55 am - 1:40 pmSJO-BOI
12h 45m1 stop
$400Multiple Airlines
Find Deal
mer., nov. 5 - mar., nov. 11

United Airlines flights from Idaho to San José, San José Province

Our best United Airlines deals on Idaho to San José, San José Province flight tickets
United Airlines
Oct 25
BOI2:44 pmBoise Air Term. Gowen Fld
16h 31m
1 stop
SJO7:15 amSan José Juan Santamaria Intl
Nov 1
SJO8:40 amSan José Juan Santamaria Intl
10h 14m
1 stop
BOI6:54 pmBoise Air Term. Gowen Fld
$298
Find similar
United Airlines
Oct 8
BOI7:05 pmBoise Air Term. Gowen Fld
12h 10m
1 stop
SJO7:15 amSan José Juan Santamaria Intl
Oct 14
SJO7:55 amSan José Juan Santamaria Intl
15h 49m
2 stops
BOI11:44 pmBoise Air Term. Gowen Fld
$302
Find similar
United Airlines
Feb 19
GEG4:00 pmSpokane
18h 56m
2 stops
SJO12:56 pmSan José Juan Santamaria Intl
Feb 25
SJO9:40 amSan José Juan Santamaria Intl
13h 27m
1 stop
GEG9:07 pmSpokane
$315
Find similar

Alaska Airlines flights from Idaho to San José, San José Province

Our best Alaska Airlines deals on Idaho to San José, San José Province flight tickets
Alaska Airlines
Nov 11
BOI6:28 amBoise Air Term. Gowen Fld
17h 10m
2 stops
SJO12:38 amSan José Juan Santamaria Intl
Nov 18
SJO1:55 amSan José Juan Santamaria Intl
15h 22m
2 stops
BOI4:17 pmBoise Air Term. Gowen Fld
$280
Find similar
Alaska Airlines
Nov 11
BOI9:59 amBoise Air Term. Gowen Fld
13h 39m
2 stops
SJO12:38 amSan José Juan Santamaria Intl
Nov 17
SJO1:55 amSan José Juan Santamaria Intl
12h 45m
1 stop
BOI1:40 pmBoise Air Term. Gowen Fld
$292
Find similar
Alaska Airlines
Nov 11
BOI8:41 amBoise Air Term. Gowen Fld
14h 57m
2 stops
SJO12:38 amSan José Juan Santamaria Intl
Nov 16
SJO1:55 amSan José Juan Santamaria Intl
23h 04m
2 stops
BOI11:59 pmBoise Air Term. Gowen Fld
$302
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Idaho to San José, San José Province 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 septembre 25, 2025.
Use the filters below to find and compare flights from Idaho to San José, San José Province that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BoiseSan José

BOI - SJO

BOISJO

Boise Air Term. Gowen Fld

mar. 11/11

6:28 am-12:38 am

2 stops17h 10m

San José Juan Santamaria Intl

mar. 11/18

1:55 am-4:17 pm

2 stops15h 22m

$280

BoiseSan José

BOI - SJO

BOISJO

Boise Air Term. Gowen Fld

mar. 11/11

9:59 am-12:38 am

2 stops13h 39m

San José Juan Santamaria Intl

lun. 11/17

1:55 am-1:40 pm

1 stop12h 45m

$292

BoiseSan José

BOI - SJO

BOISJO

Boise Air Term. Gowen Fld

sam. 10/25

2:44 pm-7:15 am

1 stop16h 31m

San José Juan Santamaria Intl

sam. 11/1

8:40 am-6:54 pm

1 stop10h 14m

$298

SpokaneSan José

GEG - SJO

GEGSJO

Spokane

jeu. 2/19

4:00 pm-12:56 pm

2 stops18h 56m

San José Juan Santamaria Intl

mer. 2/25

9:40 am-9:07 pm

1 stop13h 27m

$315

BoiseSan José

BOI - SJO

BOISJO

Boise Air Term. Gowen Fld

dim. 12/7

5:17 am-10:12 pm

2 stops15h 55m

San José Juan Santamaria Intl

jeu. 12/11

2:31 pm-11:04 am

2 stops21h 33m

$320

SpokaneSan José

GEG - SJO

GEGSJO

Spokane

mer. 11/5

5:25 am-9:17 pm

1 stop13h 52m

San José Juan Santamaria Intl

mar. 12/16

2:56 pm-12:30 pm

2 stops23h 34m

$350

BoiseSan José

BOI - SJO

BOISJO

Boise Air Term. Gowen Fld

mer. 1/14

7:32 am-9:30 pm

2 stops12h 58m

San José Juan Santamaria Intl

mer. 1/28

3:50 pm-12:34 pm

2 stops21h 44m

$350

BoiseSan José

BOI - SJO

BOISJO

Boise Air Term. Gowen Fld

mar. 11/11

6:58 pm-12:12 pm

2 stops16h 14m

San José Juan Santamaria Intl

mer. 11/19

3:11 pm-12:34 pm

2 stops22h 23m

$382

SpokaneSan José

GEG - SJO

GEGSJO

Spokane

jeu. 11/27

5:00 am-10:07 pm

2 stops15h 07m

San José Juan Santamaria Intl

jeu. 12/4

7:00 am-8:57 pm

2 stops15h 57m

$386

BoiseSan José

BOI - SJO

BOISJO

Boise Air Term. Gowen Fld

mer. 11/5

9:05 am-12:38 am

2 stops14h 33m

San José Juan Santamaria Intl

mar. 11/11

1:55 am-1:40 pm

1 stop12h 45m

$400

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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How to get the cheapest flight ticket from Idaho to San José, San José Province

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 cheapest month to fly to San José, San José Province?

The month of August is, on average, the cheapest month to fly to San José, San José Province from Idaho, with most prices found around $457. If you’re not able to fly to San José, San José Province in August, then September is your next best option. Flight prices from Idaho to San José, San José Province during September average around $467.

What is the cheapest day to depart on your flight to San José, San José Province?

The cheapest day to depart from Idaho to San José, San José Province is on a Sunday when prices can be found for as low as $605. The most expensive day to fly to San José, San José Province is Friday, with ticket prices averaging around $765.

What is the cheapest time of day to depart on your flight to San José, San José Province?

In the evening is the cheapest time of day to fly from Idaho to San José, San José Province when you can find flight prices for as low as $581. Flying to San José, San José Province in the evening is an ideal time because this is during off-peak travel hours. In the morning is when there is more demand to fly to San José, San José Province, so prices are often more expensive at around $723 per ticket.

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

You are more likely to see cheaper flights to San José, San José Province from Idaho when booking weeks ahead of your departure date. In general, you can expect to find flights to San José, San José Province for around $616 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San José, San José Province from Idaho for as low as $386 on momondo.

Can stopping save me money on Idaho to San José, San José Province flights?

You could potentially save up to 59% on your flight if you consider stops on a Idaho to San José, San José Province flight.

Cheap Idaho to San José, San José Province flight deals and tips

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

Direct flights

None
There are no direct flights from Idaho to San José, San José Province. There are no popular flight routes from Idaho to San José, San José Province.
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  • When did momondo last update prices for flights from Idaho to San José Juan Santamaria Intl Airport?

    Prices for flights from Idaho to San José Juan Santamaria Intl Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Idaho to San José Juan Santamaria Intl Airport?

  • How old do you have to be to fly from Idaho 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 Idaho to San José Juan Santamaria Intl Airport.

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

    The travel and health documents required for your trip to San José Juan Santamaria Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at San José Juan Santamaria Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Idaho to San José, San José Province

Compare and see reviews for airlines that fly from Idaho to San José, San José Province with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $147Free CancellationRating
7.9
7,973 reviews
Search Delta flights
United AirlinesPriceFrom $333Free CancellationRating
7.4
8,926 reviews
Search United Airlines flights
Alaska AirlinesPriceFrom $430Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights
American AirlinesPriceFrom $432Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
SouthwestPriceFrom $557Free CancellationRating
8.0
4,246 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
Alajuela
Monteverde
Heredia
Dominical
Santa Elena
Esterillos Este

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Idaho to San José. momondo saves you time and could save you money on your trip.

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

All flight searches from Idaho to San José on momondo can be filtered to show those which offer flexible booking policies.

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

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

If you are not ready to book a flight from Idaho to San José now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to San José and let you know when they change.

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