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Cheap flights from Idaho to San José from $179

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 4/14. 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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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
12:25 pm - 7:15 am
GEG
-
SJO
17h 50m
1 stop
United Airlines Logo
8:45 am - 9:40 pm
SJO
-
GEG
13h 55m
1 stop
$400United Airlines
Tue, May 5 - Tue, May 12
United Airlines Logo
5:00 am - 7:37 pm
BOI
-
SJO
14h 37m
2 stops
United Airlines Logo
8:45 am - 9:17 pm
SJO
-
BOI
12h 32m
1 stop
$400United Airlines
Sat, Apr 25 - Sat, May 2
American Airlines Logo
12:51 pm - 11:50 am
GEG
-
SJO
21h 59m
2 stops
American Airlines Logo
3:08 pm - 12:01 pm
SJO
-
GEG
21h 53m
2 stops
$405American Airlines
Tue, May 26 - Tue, Jun 2
American Airlines Logo
4:07 pm - 11:56 am
BOI
-
SJO
19h 49m
2 stops
American Airlines Logo
2:15 pm - 11:26 am
SJO
-
BOI
21h 11m
2 stops
$405American Airlines
Mon, Jul 27 - Thu, Aug 6
Alaska Airlines Logo
7:09 am - 11:45 pm
GEG
-
SJO
15h 36m
1 stop
Alaska Airlines Logo
12:53 am - 2:40 pm
SJO
-
GEG
38h 47m
2 stops
$418Alaska Airlines
Thu, May 7 - Wed, May 13
Alaska Airlines Logo
12:46 pm - 11:33 pm
GEG
-
SJO
33h 47m
2 stops
Alaska Airlines Logo
12:53 am - 11:52 am
SJO
-
GEG
35h 59m
2 stops
$424Alaska Airlines
Wed, May 13 - Tue, May 19
GOL Logo
4:06 pm - 11:50 am
BOI
-
SJO
19h 44m
2 stops
GOL Logo
11:59 pm - 11:19 am
SJO
-
BOI
11h 20m
1 stop
$490GOL
Sat, Jun 20 - Sat, Jun 27
GOL Logo
7:00 am - 10:42 pm
IDA
-
SJO
15h 42m
1 stop
GOL Logo
11:59 pm - 12:14 pm
SJO
-
IDA
12h 15m
1 stop
$633GOL
Thu, Jun 18 - Sat, Jun 27
Multiple Airlines Logo
10:20 am - 2:08 pm
SUN
-
SJO
27h 48m
2 stops
Multiple Airlines Logo
11:59 pm - 9:38 am
SJO
-
SUN
33h 39m
2 stops
$699Multiple Airlines
Wed, Jun 17 - Fri, Jun 26
Multiple Airlines Logo
10:20 am - 11:50 am
SUN
-
SJO
25h 30m
3 stops
Multiple Airlines Logo
11:59 pm - 9:38 am
SJO
-
SUN
33h 39m
2 stops
$793Multiple Airlines
Wed, Jun 17 - Fri, Jun 26

Alaska Airlines flights from Idaho to San José

Our best Alaska Airlines deals on Idaho to San José flight tickets
Alaska Airlines
May 7
GEG9:55 amSpokane
12h 50m
2 stops
SJO11:45 pmSan José Juan Santamaria Intl
May 13
SJO12:53 amSan José Juan Santamaria Intl
38h 47m
2 stops
GEG2:40 pmSpokane
$418
Alaska Airlines
May 13
GEG12:46 pmSpokane
33h 47m
2 stops
SJO11:33 pmSan José Juan Santamaria Intl
May 19
SJO12:53 amSan José Juan Santamaria Intl
35h 59m
2 stops
GEG11:52 amSpokane
$424
Alaska Airlines
May 23
GEG8:38 pmSpokane
49h 55m
2 stops
SJO11:33 pmSan José Juan Santamaria Intl
May 27
SJO12:53 amSan José Juan Santamaria Intl
22h 59m
1 stop
GEG10:52 pmSpokane
$426

United Airlines flights from Idaho to San José

Our best United Airlines deals on Idaho to San José flight tickets
United Airlines
Apr 25
BOI7:03 pmBoise Air Term. Gowen Fld
12h 12m
1 stop
SJO7:15 amSan José Juan Santamaria Intl
May 2
SJO8:45 amSan José Juan Santamaria Intl
12h 32m
1 stop
BOI9:17 pmBoise Air Term. Gowen Fld
$400
United Airlines
May 16
GEG4:03 pmSpokane
19h 18m
2 stops
SJO12:21 pmSan José Juan Santamaria Intl
May 23
SJO6:40 amSan José Juan Santamaria Intl
9h 32m
1 stop
GEG3:12 pmSpokane
$423
United Airlines
May 2
GEG1:41 pmSpokane
14h 49m
2 stops
SJO5:30 amSan José Juan Santamaria Intl
May 9
SJO6:00 amSan José Juan Santamaria Intl
16h 16m
2 stops
GEG9:16 pmSpokane
$425

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 April 2, 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

Cheapest round-trip

SpokaneSan José

GEG - SJO

GEGSJO

Spokane

Tue 5/5

12:25 pm-7:15 am

1 stop17h 50m

San José Juan Santamaria Intl

Tue 5/12

8:45 am-9:40 pm

1 stop13h 55m

$400
Quickest round-trip

BoiseSan José

BOI - SJO

BOISJO

Boise Air Term. Gowen Fld

Sat 4/25

5:00 am-7:37 pm

2 stops14h 37m

San José Juan Santamaria Intl

Sat 5/2

8:45 am-9:17 pm

1 stop12h 32m

$400

SpokaneSan José

GEG - SJO

GEGSJO

Spokane

Tue 5/26

12:51 pm-11:50 am

2 stops21h 59m

San José Juan Santamaria Intl

Tue 6/2

3:08 pm-12:01 pm

2 stops21h 53m

$405

BoiseSan José

BOI - SJO

BOISJO

Boise Air Term. Gowen Fld

Mon 7/27

4:07 pm-11:56 am

2 stops19h 49m

San José Juan Santamaria Intl

Thu 8/6

2:15 pm-11:26 am

2 stops21h 11m

$405

SpokaneSan José

GEG - SJO

GEGSJO

Spokane

Thu 5/7

7:09 am-11:45 pm

1 stop15h 36m

San José Juan Santamaria Intl

Wed 5/13

12:53 am-2:40 pm

2 stops38h 47m

$418

SpokaneSan José

GEG - SJO

GEGSJO

Spokane

Wed 5/13

12:46 pm-11:33 pm

2 stops33h 47m

San José Juan Santamaria Intl

Tue 5/19

12:53 am-11:52 am

2 stops35h 59m

$424

BoiseSan José

BOI - SJO

BOISJO

Boise Air Term. Gowen Fld

Sat 6/20

4:06 pm-11:50 am

2 stops19h 44m

San José Juan Santamaria Intl

Sat 6/27

11:59 pm-11:19 am

1 stop11h 20m

$490

Idaho FallsSan José

IDA - SJO

IDASJO

Idaho Falls Fanning Field

Thu 6/18

7:00 am-10:42 pm

1 stop15h 42m

San José Juan Santamaria Intl

Sat 6/27

11:59 pm-12:14 pm

1 stop12h 15m

$633

HaileySan José

SUN - SJO

SUNSJO

Hailey Sun Valley-Friedman

Wed 6/17

10:20 am-2:08 pm

2 stops27h 48m

San José Juan Santamaria Intl

Fri 6/26

11:59 pm-9:38 am

2 stops33h 39m

$699

HaileySan José

SUN - SJO

SUNSJO

Hailey Sun Valley-Friedman

Wed 6/17

10:20 am-11:50 am

3 stops25h 30m

San José Juan Santamaria Intl

Fri 6/26

11:59 pm-9:38 am

2 stops33h 39m

$793

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 $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 $399.

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 $542 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 $375 on momondo.

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

You could potentially save up to 32% 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

10h 35m

Direct flights

None
The fastest flight from Idaho to San José takes 10h 35m
There are no direct flights from Idaho to San José. There are no popular flight routes from Idaho to San José.
Search flight deals

Frequently asked questions about flying from Idaho to San José

  • 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
8,370 reviews
Search Delta flights
American AirlinesPriceFrom $279Free CancellationRating
7.1
11,549 reviews
Search American Airlines flights
United AirlinesPriceFrom $297Free CancellationRating
7.4
9,533 reviews
Search United Airlines flights
Alaska AirlinesPriceFrom $376Free CancellationRating
7.9
12,152 reviews
Search Alaska Airlines flights
SouthwestPriceFrom $454Free CancellationRating
8.0
4,337 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
Santa Elena
Dominical
San Gerardo de Dota
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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