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.

$249 CHEAP FLIGHTS from Idaho to San José

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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

Recent round-trip flight deals from Idaho to San José

Sun, Nov 15 - Mon, Nov 23

6:14 pm - 1:07 pmBOI Boise Air Term. Gowen Fld-SJO San José Juan Santamaria Intl

17h 53m2 stops Phoenix Sky Harbor Intl Charlotte Douglas

12:37 am - 11:49 pmSJO San José Juan Santamaria Intl-BOI Boise Air Term. Gowen Fld

24h 12m1 stop Dallas/Fort Worth

$459American Airlines

Wed, Nov 11 - Wed, Nov 18

7:10 pm - 11:25 amBOI Boise Air Term. Gowen Fld-SJO San José Juan Santamaria Intl

15h 15m2 stops San Francisco Houston George Bush Intcntl

9:40 am - 9:15 pmSJO San José Juan Santamaria Intl-BOI Boise Air Term. Gowen Fld

12h 35m1 stop San Francisco

$540United Airlines

Sun, Jan 17 - Wed, Jan 27

6:38 pm - 12:30 pmBOI Boise Air Term. Gowen Fld-SJO San José Juan Santamaria Intl

16h 52m2 stops Phoenix Sky Harbor Intl Charlotte Douglas

1:20 pm - 12:44 pmSJO San José Juan Santamaria Intl-BOI Boise Air Term. Gowen Fld

24h 24m2 stops Miami Dallas/Fort Worth

$545American Airlines

Tue, Nov 10 - Tue, Nov 17

2:41 pm - 1:01 pmBOI Boise Air Term. Gowen Fld-SJO San José Juan Santamaria Intl

21h 20m2 stops Dallas/Fort Worth Miami

3:54 pm - 1:51 pmSJO San José Juan Santamaria Intl-BOI Boise Air Term. Gowen Fld

22h 57m2 stops Miami Dallas/Fort Worth

$545American 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

Wed, Nov 11 - Wed, Nov 18

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

12h 22m1 stop San Francisco

9:40 am - 11:33 pmSJO San José Juan Santamaria Intl-BOI Boise Air Term. Gowen Fld

14h 53m1 stop San Francisco

$549United Airlines

Sun, Nov 15 - Mon, Nov 23

11:10 pm - 1:12 pmBOI Boise Air Term. Gowen Fld-SJO San José Juan Santamaria Intl

13h 02m1 stop Atlanta Hartsfield-Jackson

7:00 am - 9:59 pmSJO San José Juan Santamaria Intl-BOI Boise Air Term. Gowen Fld

15h 59m1 stop Atlanta Hartsfield-Jackson

$558Delta

Sun, Nov 15 - Tue, Nov 24

8:30 pm - 12:20 pmBOI Boise Air Term. Gowen Fld-SJO San José Juan Santamaria Intl

14h 50m2 stops Las Vegas Harry Reid Intl Houston Hobby

2:10 pm - 10:05 amSJO San José Juan Santamaria Intl-BOI Boise Air Term. Gowen Fld

20h 55m2 stops Houston Hobby Phoenix Sky Harbor Intl

$568Southwest

Sun, Nov 15 - Tue, Nov 24

8:30 pm - 12:20 pmBOI Boise Air Term. Gowen Fld-SJO San José Juan Santamaria Intl

14h 50m2 stops Las Vegas Harry Reid Intl Houston Hobby

3:25 pm - 10:35 amSJO San José Juan Santamaria Intl-BOI Boise Air Term. Gowen Fld

20h 10m2 stops Orlando Denver Intl

$568Southwest

Sun, Nov 15 - Mon, Nov 23

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

12h 22m1 stop San Francisco

9:40 am - 11:33 pmSJO San José Juan Santamaria Intl-BOI Boise Air Term. Gowen Fld

14h 53m1 stop San Francisco

$591United Airlines

Useful Info

Low season	September
High season	December
Cheapest flight	$249

Best time to beat the crowds but there is an average 4% increase in price.

Most popular time to fly with an average 16% increase in price.

Flight from Idaho Falls 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.