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Cheap flights from Idaho to San José from $133

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 2/20. 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 Idaho to San José

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
4:10 pm - 12:56 pm
GEG
-
SJO
18h 46m2 stops
United Airlines Logo
9:40 am - 7:16 pm
SJO
-
GEG
11h 36m1 stop
$298United Airlines
Sat, Jan 24 - Wed, Jan 28
United Airlines Logo
4:10 pm - 12:56 pm
GEG
-
SJO
18h 46m2 stops
United Airlines Logo
6:30 am - 9:22 pm
SJO
-
GEG
16h 52m2 stops
$303United Airlines
Sat, Jan 24 - Wed, Jan 28
United Airlines Logo
6:53 am - 8:32 am
GEG
-
SJO
23h 39m1 stop
United Airlines Logo
9:40 am - 7:16 pm
SJO
-
GEG
11h 36m1 stop
$304United Airlines
Sat, Jan 24 - Wed, Jan 28
American Airlines Logo
6:33 am - 11:43 pm
GEG
-
SJO
15h 10m2 stops
American Airlines Logo
2:54 pm - 6:49 pm
SJO
-
GEG
29h 55m1 stop
$310American Airlines
Fri, Jan 23 - Wed, Jan 28
Alaska Airlines Logo
7:15 am - 11:53 pm
GEG
-
SJO
15h 38m1 stop
Alaska Airlines Logo
12:55 am - 9:31 pm
SJO
-
GEG
21h 36m2 stops
$344Alaska Airlines
Wed, Apr 15 - Tue, Apr 28
Multiple Airlines Logo
7:14 pm - 11:15 pm
BOI
-
SJO
28h 01m2 stops
Multiple Airlines Logo
6:10 am - 2:44 pm
SJO
-
BOI
32h 34m2 stops
$344Multiple Airlines
Fri, May 8 - Sat, May 16
Multiple Airlines Logo
7:02 pm - 11:15 pm
BOI
-
SJO
27h 13m2 stops
Multiple Airlines Logo
6:00 am - 12:44 pm
SJO
-
BOI
31h 44m2 stops
$350Multiple Airlines
Mon, Feb 2 - Sat, Feb 28
American Airlines Logo
6:33 am - 11:43 pm
GEG
-
SJO
15h 10m2 stops
American Airlines Logo
6:00 am - 6:49 pm
SJO
-
GEG
14h 49m2 stops
$378American Airlines
Fri, Jan 23 - Wed, Jan 28
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
GOL Logo
3:18 pm - 10:30 pm
BOI
-
SJO
30h 12m1 stop
GOL Logo
4:02 pm - 1:08 pm
SJO
-
BOI
22h 06m2 stops
$405GOL
Sun, Feb 1 - Sun, Feb 8

American Airlines flights from Idaho to San José

Our best American Airlines deals on Idaho to San José flight tickets
American Airlines
Jan 23
GEG6:33 amSpokane
15h 10m
2 stops
SJO11:43 pmSan José Juan Santamaria Intl
Jan 28
SJO2:54 pmSan José Juan Santamaria Intl
29h 55m
1 stop
GEG6:49 pmSpokane
$310
Find similar
American Airlines
Jan 23
GEG6:00 amSpokane
15h 43m
1 stop
SJO11:43 pmSan José Juan Santamaria Intl
Jan 28
SJO6:00 amSan José Juan Santamaria Intl
14h 49m
2 stops
GEG6:49 pmSpokane
$378
Find similar
American Airlines
Jan 23
GEG6:00 amSpokane
15h 43m
1 stop
SJO11:43 pmSan José Juan Santamaria Intl
Jan 28
SJO2:54 pmSan José Juan Santamaria Intl
29h 55m
1 stop
GEG6:49 pmSpokane
$381
Find similar

Delta flights from Idaho to San José

Our best Delta deals on Idaho to San José flight tickets
Delta
Jan 18
JAC5:30 pmJackson Hole
18h 30m
2 stops
SJO1:00 pmSan José Juan Santamaria Intl
Jan 24
SJO3:54 pmSan José Juan Santamaria Intl
25h 30m
2 stops
JAC4:24 pmJackson Hole
$421
Find similar
Delta
Jan 18
JAC5:30 pmJackson Hole
18h 30m
2 stops
SJO1:00 pmSan José Juan Santamaria Intl
Jan 24
SJO3:54 pmSan José Juan Santamaria Intl
22h 36m
1 stop
JAC1:30 pmJackson Hole
$637
Find similar
Delta
Jan 18
JAC5:30 pmJackson Hole
27h 45m
2 stops
SJO10:15 pmSan José Juan Santamaria Intl
Feb 2
SJO2:31 pmSan José Juan Santamaria Intl
25h 33m
2 stops
JAC3:04 pmJackson Hole
$643
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Idaho 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 28, 2025.
Use the filters below to find and compare flights from Idaho to San José that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SpokaneSan José

GEG - SJO

GEGSJO

Spokane

Sat 1/24

4:10 pm-12:56 pm

2 stops18h 46m

San José Juan Santamaria Intl

Wed 1/28

9:40 am-7:16 pm

1 stop11h 36m

$298

SpokaneSan José

GEG - SJO

GEGSJO

Spokane

Sat 1/24

4:10 pm-12:56 pm

2 stops18h 46m

San José Juan Santamaria Intl

Wed 1/28

6:30 am-9:22 pm

2 stops16h 52m

$303

SpokaneSan José

GEG - SJO

GEGSJO

Spokane

Sat 1/24

6:53 am-8:32 am

1 stop23h 39m

San José Juan Santamaria Intl

Wed 1/28

9:40 am-7:16 pm

1 stop11h 36m

$304

SpokaneSan José

GEG - SJO

GEGSJO

Spokane

Fri 1/23

6:33 am-11:43 pm

2 stops15h 10m

San José Juan Santamaria Intl

Wed 1/28

2:54 pm-6:49 pm

1 stop29h 55m

$310

SpokaneSan José

GEG - SJO

GEGSJO

Spokane

Wed 4/15

7:15 am-11:53 pm

1 stop15h 38m

San José Juan Santamaria Intl

Tue 4/28

12:55 am-9:31 pm

2 stops21h 36m

$344

BoiseSan José

BOI - SJO

BOISJO

Boise Air Term. Gowen Fld

Fri 5/8

7:14 pm-11:15 pm

2 stops28h 01m

San José Juan Santamaria Intl

Sat 5/16

6:10 am-2:44 pm

2 stops32h 34m

$344

BoiseSan José

BOI - SJO

BOISJO

Boise Air Term. Gowen Fld

Mon 2/2

7:02 pm-11:15 pm

2 stops27h 13m

San José Juan Santamaria Intl

Sat 2/28

6:00 am-12:44 pm

2 stops31h 44m

$350

SpokaneSan José

GEG - SJO

GEGSJO

Spokane

Fri 1/23

6:33 am-11:43 pm

2 stops15h 10m

San José Juan Santamaria Intl

Wed 1/28

6:00 am-6:49 pm

2 stops14h 49m

$378

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

Sun 2/1

3:18 pm-10:30 pm

1 stop30h 12m

San José Juan Santamaria Intl

Sun 2/8

4:02 pm-1:08 pm

2 stops22h 06m

$405

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to San José from

How to get the cheapest flight ticket from Idaho 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 cheapest month to fly to San José?

In general, January is the cheapest month to fly from Idaho 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 Idaho, when ticket prices are also cheap, with an average price of $433.

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

On average, the least expensive day to fly to San José from Idaho is on a Sunday. momondo users have found tickets for Sunday departures for as low as $605. However, this price may fluctuate depending on the airline, the season, and holidays. Flights from Idaho to San José on a Friday will generally be more expensive and average around $765. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

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

You are more likely to see cheaper flights to San José from Idaho 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 Idaho for as low as $425 on momondo.

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

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

Cheap Idaho to San José flight deals and tips

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

Fastest flight time

8h 04m

Direct flights

None
The fastest flight from Idaho to San José takes 8h 04m
There are no direct flights from Idaho to San José. There are no popular flight routes from Idaho to San José.
Search flight deals

  • 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

Compare and see reviews for airlines that fly from Idaho to San José with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $141Free CancellationRating
7.9
8,019 reviews
Search Delta flights
United AirlinesPriceFrom $309Free CancellationRating
7.4
9,113 reviews
Search United Airlines flights
American AirlinesPriceFrom $317Free CancellationRating
7.2
11,073 reviews
Search American Airlines flights
Alaska AirlinesPriceFrom $376Free CancellationRating
8.0
11,551 reviews
Search Alaska Airlines flights
SouthwestPriceFrom $454Free CancellationRating
8.0
4,256 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 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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