Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Idaho to San José from $156

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 3/15. 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

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

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
12:42 pm - 7:32 am
GEG
-
SJO
17h 50m
1 stop
United Airlines Logo
8:40 am - 9:03 pm
SJO
-
GEG
13h 23m
1 stop
$330United Airlines
Tue, Mar 10 - Tue, Mar 17
United Airlines Logo
4:01 pm - 10:11 am
GEG
-
SJO
17h 10m
2 stops
United Airlines Logo
1:25 pm - 11:16 am
SJO
-
GEG
22h 51m
2 stops
$345United Airlines
Wed, Apr 15 - Wed, Apr 29
American Airlines Logo
1:39 pm - 10:43 pm
BOI
-
SJO
8h 04m
1 stop
American Airlines Logo
3:59 pm - 12:48 pm
SJO
-
BOI
21h 49m
2 stops
$353American Airlines
Wed, Feb 25 - Wed, Mar 4
American Airlines Logo
6:33 pm - 9:25 am
BOI
-
SJO
14h 52m
2 stops
American Airlines Logo
2:22 pm - 12:51 pm
SJO
-
BOI
22h 29m
2 stops
$364American Airlines
Mon, Mar 30 - Tue, Apr 7
Alaska Airlines Logo
7:40 pm - 11:45 pm
GEG
-
SJO
51h 05m
2 stops
Alaska Airlines Logo
12:53 am - 2:42 pm
SJO
-
GEG
14h 49m
1 stop
$376Alaska Airlines
Mon, May 4 - Wed, May 13
Alaska Airlines Logo
5:00 am - 11:45 pm
GEG
-
SJO
17h 45m
2 stops
Alaska Airlines Logo
12:53 am - 3:44 pm
SJO
-
GEG
15h 51m
2 stops
$380Alaska Airlines
Sun, May 10 - Mon, May 18
Multiple Airlines Logo
8:16 am - 11:15 pm
BOI
-
SJO
13h 59m
2 stops
Multiple Airlines Logo
6:00 am - 11:00 pm
SJO
-
BOI
17h 00m
2 stops
$387Multiple Airlines
Tue, Mar 3 - Tue, Mar 10
Multiple Airlines Logo
8:16 am - 11:15 pm
BOI
-
SJO
13h 59m
2 stops
Multiple Airlines Logo
6:00 am - 11:00 pm
SJO
-
BOI
17h 00m
2 stops
$389Multiple Airlines
Thu, Mar 5 - Thu, Mar 12
GOL Logo
1:27 pm - 7:33 pm
SUN
-
SJO
30h 06m
2 stops
GOL Logo
12:46 pm - 12:54 pm
SJO
-
SUN
24h 08m
2 stops
$948GOL
Mon, Mar 16 - Thu, Mar 26
GOL Logo
1:27 pm - 7:12 pm
SUN
-
SJO
29h 45m
1 stop
GOL Logo
12:46 pm - 12:54 pm
SJO
-
SUN
24h 08m
2 stops
$964GOL
Mon, Mar 16 - Thu, Mar 26

Alaska Airlines flights from Idaho to San José

Our best Alaska Airlines deals on Idaho to San José flight tickets
Alaska Airlines
May 4
GEG7:40 pmSpokane
51h 05m
2 stops
SJO11:45 pmSan José Juan Santamaria Intl
May 13
SJO12:53 amSan José Juan Santamaria Intl
14h 49m
1 stop
GEG2:42 pmSpokane
$376
Alaska Airlines
May 10
GEG5:00 amSpokane
17h 45m
2 stops
SJO11:45 pmSan José Juan Santamaria Intl
May 18
SJO12:53 amSan José Juan Santamaria Intl
15h 51m
2 stops
GEG3:44 pmSpokane
$380
Alaska Airlines
May 4
GEG7:41 pmSpokane
27h 04m
2 stops
SJO11:45 pmSan José Juan Santamaria Intl
May 13
SJO12:53 amSan José Juan Santamaria Intl
23h 13m
2 stops
GEG11:06 pmSpokane
$393

American Airlines flights from Idaho to San José

Our best American Airlines deals on Idaho to San José flight tickets
American Airlines
Feb 25
BOI1:39 pmBoise Air Term. Gowen Fld
8h 04m
1 stop
SJO10:43 pmSan José Juan Santamaria Intl
Mar 4
SJO3:59 pmSan José Juan Santamaria Intl
21h 49m
2 stops
BOI12:48 pmBoise Air Term. Gowen Fld
$353
American Airlines
Mar 30
BOI6:33 pmBoise Air Term. Gowen Fld
14h 52m
2 stops
SJO9:25 amSan José Juan Santamaria Intl
Apr 7
SJO2:22 pmSan José Juan Santamaria Intl
22h 29m
2 stops
BOI12:51 pmBoise Air Term. Gowen Fld
$364
American Airlines
Feb 27
JAC1:08 pmJackson Hole
8h 35m
1 stop
SJO10:43 pmSan José Juan Santamaria Intl
Mar 5
SJO12:35 amSan José Juan Santamaria Intl
14h 51m
1 stop
JAC2:26 pmJackson Hole
$419

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 February 12, 2026.
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

Tue 3/10

12:42 pm-7:32 am

1 stop17h 50m

San José Juan Santamaria Intl

Tue 3/17

8:40 am-9:03 pm

1 stop13h 23m

$330

SpokaneSan José

GEG - SJO

GEGSJO

Spokane

Wed 4/15

4:01 pm-10:11 am

2 stops17h 10m

San José Juan Santamaria Intl

Wed 4/29

1:25 pm-11:16 am

2 stops22h 51m

$345

BoiseSan José

BOI - SJO

BOISJO

Boise Air Term. Gowen Fld

Wed 2/25

1:39 pm-10:43 pm

1 stop8h 04m

San José Juan Santamaria Intl

Wed 3/4

3:59 pm-12:48 pm

2 stops21h 49m

$353

BoiseSan José

BOI - SJO

BOISJO

Boise Air Term. Gowen Fld

Mon 3/30

6:33 pm-9:25 am

2 stops14h 52m

San José Juan Santamaria Intl

Tue 4/7

2:22 pm-12:51 pm

2 stops22h 29m

$364

SpokaneSan José

GEG - SJO

GEGSJO

Spokane

Mon 5/4

7:40 pm-11:45 pm

2 stops51h 05m

San José Juan Santamaria Intl

Wed 5/13

12:53 am-2:42 pm

1 stop14h 49m

$376

SpokaneSan José

GEG - SJO

GEGSJO

Spokane

Sun 5/10

5:00 am-11:45 pm

2 stops17h 45m

San José Juan Santamaria Intl

Mon 5/18

12:53 am-3:44 pm

2 stops15h 51m

$380

BoiseSan José

BOI - SJO

BOISJO

Boise Air Term. Gowen Fld

Tue 3/3

8:16 am-11:15 pm

2 stops13h 59m

San José Juan Santamaria Intl

Tue 3/10

6:00 am-11:00 pm

2 stops17h 00m

$387

BoiseSan José

BOI - SJO

BOISJO

Boise Air Term. Gowen Fld

Thu 3/5

8:16 am-11:15 pm

2 stops13h 59m

San José Juan Santamaria Intl

Thu 3/12

6:00 am-11:00 pm

2 stops17h 00m

$389

HaileySan José

SUN - SJO

SUNSJO

Hailey Sun Valley-Friedman

Mon 3/16

1:27 pm-7:33 pm

2 stops30h 06m

San José Juan Santamaria Intl

Thu 3/26

12:46 pm-12:54 pm

2 stops24h 08m

$948

HaileySan José

SUN - SJO

SUNSJO

Hailey Sun Valley-Friedman

Mon 3/16

1:27 pm-7:12 pm

1 stop29h 45m

San José Juan Santamaria Intl

Thu 3/26

12:46 pm-12:54 pm

2 stops24h 08m

$964

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 $344. 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 $431.

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 weeks ahead of your departure date. In general, you can expect to find flights to San José for around $569 when searching weeks 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 $354 on momondo.

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

You could potentially save up to 36% 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

12h 37m

Direct flights

None
The fastest flight from Idaho to San José takes 12h 37m
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
8,181 reviews
Search Delta flights
United AirlinesPriceFrom $297Free CancellationRating
7.4
9,279 reviews
Search United Airlines flights
American AirlinesPriceFrom $303Free CancellationRating
7.2
11,271 reviews
Search American Airlines flights
Alaska AirlinesPriceFrom $376Free CancellationRating
8.0
11,878 reviews
Search Alaska Airlines flights
SouthwestPriceFrom $454Free CancellationRating
8.0
4,280 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
San Gerardo de Dota
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.

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.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sat 3/14
Sat 3/21
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Costa Rica