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.

$269 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

Last minute

Recent round-trip flight deals from Idaho to San José

Sat, Nov 14 - Sat, Nov 21

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

12h 35m1 stop San Francisco

$581United Airlines

Sun, Nov 15 - Sun, Nov 22

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

$581United Airlines

Tue, Dec 1 - Tue, Dec 8

4:24 pm - 8:32 amBOI Boise Air Term. Gowen Fld-SJO San José Juan Santamaria Intl

15h 08m1 stop San Francisco

8:45 am - 9:30 pmSJO San José Juan Santamaria Intl-BOI Boise Air Term. Gowen Fld

13h 45m2 stops Houston George Bush Intcntl San Francisco

$585United Airlines

Sat, Jan 9 - Fri, Jan 15

4:10 pm - 6:25 amBOI Boise Air Term. Gowen Fld-SJO San José Juan Santamaria Intl

13h 15m2 stops San Francisco Los Angeles

1:15 am - 1:29 pmSJO San José Juan Santamaria Intl-BOI Boise Air Term. Gowen Fld

13h 14m2 stops Houston George Bush Intcntl Denver Intl

$585United Airlines

Wed, Jan 13 - Sun, Jan 24

7:00 am - 8:59 pmBOI Boise Air Term. Gowen Fld-SJO San José Juan Santamaria Intl

12h 59m2 stops Dallas/Fort Worth Miami

6:30 am - 8:06 pmSJO San José Juan Santamaria Intl-BOI Boise Air Term. Gowen Fld

14h 36m1 stop Dallas/Fort Worth

$590American Airlines

Thu, Nov 12 - Thu, Nov 19

12:15 pm - 1:46 pmBOI Boise Air Term. Gowen Fld-SJO San José Juan Santamaria Intl

24h 31m1 stop Dallas/Fort Worth

3:52 pm - 11:28 amSJO San José Juan Santamaria Intl-BOI Boise Air Term. Gowen Fld

20h 36m2 stops Miami Dallas/Fort Worth

$597American Airlines

Tue, Nov 10 - Mon, Nov 16

2:41 pm - 1:46 pmBOI Boise Air Term. Gowen Fld-SJO San José Juan Santamaria Intl

22h 05m1 stop Dallas/Fort Worth

2:46 pm - 1:51 pmSJO San José Juan Santamaria Intl-BOI Boise Air Term. Gowen Fld

24h 05m1 stop Dallas/Fort Worth

$602American Airlines

Sun, Feb 21 - Fri, Feb 26

6:00 am - 11:57 pmBOI Boise Air Term. Gowen Fld-SJO San José Juan Santamaria Intl

16h 57m2 stops Portland Los Angeles

1:45 am - 1:44 pmSJO San José Juan Santamaria Intl-BOI Boise Air Term. Gowen Fld

12h 59m1 stop Los Angeles

$614Alaska Airlines

Sun, Feb 7 - Tue, Feb 16

8:03 am - 11:25 pmBOI Boise Air Term. Gowen Fld-SJO San José Juan Santamaria Intl

14h 22m2 stops San Jose Los Angeles

1:45 am - 6:19 pmSJO San José Juan Santamaria Intl-BOI Boise Air Term. Gowen Fld

17h 34m1 stop Los Angeles

$615Alaska Airlines

Sun, Feb 7 - Tue, Feb 16

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

15h 00m1 stop Los Angeles

1:45 am - 6:19 pmSJO San José Juan Santamaria Intl-BOI Boise Air Term. Gowen Fld

17h 34m1 stop Los Angeles

$616Alaska Airlines

Useful Info

Low season	September
High season	December
Cheapest flight	$269

Best time to beat the crowds but there is an average 7% 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.