How does KAYAK find such low prices on flights from Idaho to San José?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Idaho to San José.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Idaho to San José?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to San José from Idaho is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from Idaho to San José?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to San José with an airline and back to Idaho with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Idaho to San José?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to San José from Idaho up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

$243 CHEAP FLIGHTS from Idaho to San José

Save 21% or more on flights. Compare deals from all over the web.

Never overpay with our price tracking tools.

Filter searches by price, airline and more to find your best flights.

Flight Deals

Cheap Flights from Idaho to San José

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Recent round-trip flight deals from Idaho to San José

Mon, Feb 1 - Tue, Feb 9

6:00 am - 7:55 pmGEG Spokane-SJO San José Juan Santamaria Intl

11h 55m1 stop Dallas/Fort Worth

6:20 am - 11:37 pmSJO San José Juan Santamaria Intl-GEG Spokane

19h 17m2 stops Miami Phoenix Sky Harbor Intl

$508American Airlines

Mon, Feb 1 - Tue, Feb 9

3:16 pm - 1:57 pmGEG Spokane-SJO San José Juan Santamaria Intl

20h 41m2 stops Phoenix Sky Harbor Intl Dallas/Fort Worth

6:20 am - 11:37 pmSJO San José Juan Santamaria Intl-GEG Spokane

19h 17m2 stops Miami Phoenix Sky Harbor Intl

$508American Airlines

Thu, Oct 22 - Thu, Oct 29

1:05 pm - 7:15 amGEG Spokane-SJO San José Juan Santamaria Intl

17h 10m1 stop San Francisco

8:40 am - 8:57 pmSJO San José Juan Santamaria Intl-GEG Spokane

13h 17m1 stop San Francisco

$520United Airlines

Wed, Nov 4 - Sun, Nov 8

7:10 pm - 8:32 amBOI Boise Air Term. Gowen Fld-SJO San José Juan Santamaria Intl

12h 22m1 stop San Francisco

7:30 am - 9:32 pmSJO San José Juan Santamaria Intl-BOI Boise Air Term. Gowen Fld

15h 02m1 stop Denver Intl

$520United Airlines

Mon, Feb 22 - Sat, Feb 27

1:45 pm - 12:50 pmGEG Spokane-SJO San José Juan Santamaria Intl

21h 05m2 stops Las Vegas Harry Reid Intl Orlando

12:30 pm - 9:05 pmSJO San José Juan Santamaria Intl-GEG Spokane

10h 35m1 stop Denver Intl

$523Southwest

Sun, Feb 21 - Sun, Feb 28

7:40 pm - 1:45 pmBOI Boise Air Term. Gowen Fld-SJO San José Juan Santamaria Intl

17h 05m2 stops Phoenix Sky Harbor Intl Houston Hobby

1:05 pm - 1:35 amSJO San José Juan Santamaria Intl-BOI Boise Air Term. Gowen Fld

13h 30m2 stops Houston Hobby Las Vegas Harry Reid Intl

$523Southwest

Mon, Jan 18 - Sun, Jan 24

7:25 am - 11:15 pmBOI Boise Air Term. Gowen Fld-SJO San José Juan Santamaria Intl

14h 50m1 stop Los Angeles

5:10 am - 10:50 pmSJO San José Juan Santamaria Intl-BOI Boise Air Term. Gowen Fld

18h 40m2 stops San Salvador El Salvador Intl Los Angeles

$529Multiple Airlines

Sat, Feb 13 - Sun, Feb 21

8:18 am - 11:15 pmBOI Boise Air Term. Gowen Fld-SJO San José Juan Santamaria Intl

13h 57m2 stops Los Angeles Guatemala City La Aurora

5:35 am - 10:55 pmSJO San José Juan Santamaria Intl-BOI Boise Air Term. Gowen Fld

18h 20m2 stops Guatemala City La Aurora Los Angeles

$548Multiple Airlines

Sun, Feb 21 - Wed, Feb 24

7:00 am - 11:57 pmGEG Spokane-SJO San José Juan Santamaria Intl

14h 57m1 stop Los Angeles

1:45 am - 5:21 pmSJO San José Juan Santamaria Intl-GEG Spokane

17h 36m1 stop Los Angeles

$673Alaska Airlines

Mon, Feb 22 - Tue, Feb 23

7:00 am - 11:57 pmGEG Spokane-SJO San José Juan Santamaria Intl

14h 57m1 stop Los Angeles

1:45 am - 5:21 pmSJO San José Juan Santamaria Intl-GEG Spokane

17h 36m1 stop Los Angeles

$673Alaska Airlines

Recent last minute flight deals from Idaho to San José

Thu, Sep 10 - Tue, Sep 15

6:32 pm - 6:50 pmGEG Spokane-SJO San José Juan Santamaria Intl

23h 18m2 stops Seattle/Tacoma Intl Los Angeles

7:30 am - 11:59 pmSJO San José Juan Santamaria Intl-GEG Spokane

17h 29m2 stops Mexico City Benito Juarez Seattle/Tacoma Intl

$871Multiple Airlines

Thu, Sep 10 - Tue, Sep 15

4:21 pm - 6:50 pmGEG Spokane-SJO San José Juan Santamaria Intl

25h 29m1 stop Los Angeles

7:30 am - 11:59 pmSJO San José Juan Santamaria Intl-GEG Spokane

17h 29m2 stops Mexico City Benito Juarez Seattle/Tacoma Intl

$883Multiple Airlines

Fri, Sep 11 - Tue, Sep 15

1:09 pm - 12:21 pmGEG Spokane-SJO San José Juan Santamaria Intl

22h 12m2 stops San Francisco Houston George Bush Intcntl

1:25 pm - 12:35 pmSJO San José Juan Santamaria Intl-GEG Spokane

24h 10m2 stops Houston George Bush Intcntl Denver Intl

$1,007United Airlines

Fri, Sep 11 - Wed, Sep 16

1:09 pm - 7:15 amGEG Spokane-SJO San José Juan Santamaria Intl

17h 06m1 stop San Francisco

1:25 pm - 10:30 amSJO San José Juan Santamaria Intl-GEG Spokane

22h 05m2 stops Houston George Bush Intcntl San Francisco

$1,007United Airlines

Fri, Sep 11 - Tue, Sep 15

1:09 pm - 7:15 amGEG Spokane-SJO San José Juan Santamaria Intl

17h 06m1 stop San Francisco

1:25 pm - 12:35 pmSJO San José Juan Santamaria Intl-GEG Spokane

24h 10m2 stops Houston George Bush Intcntl Denver Intl

$1,007United Airlines

Thu, Sep 10 - Wed, Sep 16

1:09 pm - 7:37 pmGEG Spokane-SJO San José Juan Santamaria Intl

29h 28m2 stops San Francisco Houston George Bush Intcntl

7:55 am - 10:30 amSJO San José Juan Santamaria Intl-GEG Spokane

27h 35m2 stops Houston George Bush Intcntl San Francisco

$1,007United Airlines

Thu, Sep 10 - Tue, Sep 15

7:00 am - 11:15 pmGEG Spokane-SJO San José Juan Santamaria Intl

15h 15m2 stops Los Angeles Guatemala City La Aurora

12:40 pm - 1:23 pmSJO San José Juan Santamaria Intl-GEG Spokane

25h 43m3 stops Panama City Tocumen Intl San Salvador El Salvador Intl Los Angeles

$1,517Multiple Airlines

Fri, Sep 11 - Sun, Sep 13

1:09 pm - 12:21 pmGEG Spokane-SJO San José Juan Santamaria Intl

22h 12m2 stops San Francisco Houston George Bush Intcntl

7:55 am - 10:41 pmSJO San José Juan Santamaria Intl-GEG Spokane

15h 46m2 stops Houston George Bush Intcntl San Francisco

$2,244Avianca

Thu, Sep 10 - Sat, Sep 12

8:25 pm - 6:50 pmBOI Boise Air Term. Gowen Fld-SJO San José Juan Santamaria Intl

22h 25m2 stops Portland Los Angeles

6:20 am - 11:00 pmSJO San José Juan Santamaria Intl-BOI Boise Air Term. Gowen Fld

16h 40m1 stop Los Angeles

$3,395Alaska Airlines

Thu, Sep 10 - Sat, Sep 12

6:47 pm - 6:50 pmBOI Boise Air Term. Gowen Fld-SJO San José Juan Santamaria Intl

24h 03m1 stop Los Angeles

6:20 am - 12:33 pmSJO San José Juan Santamaria Intl-BOI Boise Air Term. Gowen Fld

30h 13m1 stop Los Angeles

$4,198Alaska Airlines

Useful Info

Low season	September
High season	December
Cheapest flight	$243

Best time to beat the crowds with an average 1% drop in price.

Most popular time to fly with an average 18% increase in price.

Flight from Boise to San José

How does KAYAK find such low prices on flights from Idaho to San José?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Idaho to San José.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Idaho to San José?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to San José from Idaho is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights from Idaho to San José?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to San José with an airline and back to Idaho with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Idaho to San José?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to San José from Idaho up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.