What is the cheapest airline that flies from San José Juan Santamaria Intl to Idaho?

United Airlines, American Airlines, and Alaska Airlines are the most popular carriers operating from San José Juan Santamaria Intl to Idaho

When did momondo last update prices for flights from San José Juan Santamaria Intl Airport to Idaho?

Prices for flights from San José Juan Santamaria Intl Airport to Idaho were last updated today.

How many operators does momondo search for flights from San José Juan Santamaria Intl Airport to Idaho?

The number of operators available for flights from San José Juan Santamaria Intl Airport to Idaho is 1 as of October 2026.

How old do you have to be to fly from San José Juan Santamaria Intl Airport to Idaho?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from San José Juan Santamaria Intl Airport to Idaho.

What documentation or ID do you need to fly to Idaho?

The necessary travel and health documents for your Idaho trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$260 Cheap Flights from San José to Idaho in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from San José to Idaho

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

8:45 am - 9:51 amSJO San José Juan Santamaria Intl-IDA Idaho Falls Fanning Field

26h 06m2 stops Houston George Bush Intcntl Denver Intl

4:08 pm - 8:39 pmIDA Idaho Falls Fanning Field-SJO San José Juan Santamaria Intl

27h 31m2 stops Denver Intl Houston George Bush Intcntl

$473United Airlines

Thu, Jan 28 - Mon, Feb 1

3:56 pm - 11:48 amSJO San José Juan Santamaria Intl-BOI Boise Air Term. Gowen Fld

20h 52m2 stops Miami Phoenix Sky Harbor Intl

1:35 pm - 1:51 pmBOI Boise Air Term. Gowen Fld-SJO San José Juan Santamaria Intl

23h 16m1 stop Dallas/Fort Worth

$490American Airlines

Wed, Jan 20 - Sat, Jan 30

3:56 pm - 12:44 pmSJO San José Juan Santamaria Intl-BOI Boise Air Term. Gowen Fld

21h 48m2 stops Miami Dallas/Fort Worth

4:35 pm - 1:51 pmBOI Boise Air Term. Gowen Fld-SJO San José Juan Santamaria Intl

20h 16m2 stops Phoenix Sky Harbor Intl Dallas/Fort Worth

$490American Airlines

Wed, Jan 20 - Sat, Jan 30

8:45 am - 9:59 amSJO San José Juan Santamaria Intl-BOI Boise Air Term. Gowen Fld

26h 14m2 stops Houston George Bush Intcntl Denver Intl

4:05 pm - 7:15 amBOI Boise Air Term. Gowen Fld-SJO San José Juan Santamaria Intl

15h 10m1 stop San Francisco

$507United Airlines

Tue, Dec 8 - Tue, Apr 6

8:45 am - 9:59 amSJO San José Juan Santamaria Intl-BOI Boise Air Term. Gowen Fld

26h 14m2 stops Houston George Bush Intcntl Denver Intl

4:05 pm - 12:21 pmBOI Boise Air Term. Gowen Fld-SJO San José Juan Santamaria Intl

20h 16m2 stops San Francisco Houston George Bush Intcntl

$507United Airlines

Tue, Dec 8 - Tue, Apr 6

2:46 pm - 1:52 pmSJO San José Juan Santamaria Intl-BOI Boise Air Term. Gowen Fld

24h 06m1 stop Dallas/Fort Worth

6:44 am - 9:36 pmBOI Boise Air Term. Gowen Fld-SJO San José Juan Santamaria Intl

14h 52m1 stop Dallas/Fort Worth

$555American Airlines

Tue, Dec 8 - Tue, Apr 6

7:30 am - 9:27 pmSJO San José Juan Santamaria Intl-BOI Boise Air Term. Gowen Fld

14h 57m1 stop Denver Intl

8:20 am - 10:11 amBOI Boise Air Term. Gowen Fld-SJO San José Juan Santamaria Intl

25h 51m2 stops San Francisco Houston George Bush Intcntl

$567United Airlines

Sun, Dec 6 - Wed, Apr 7

7:30 am - 9:27 pmSJO San José Juan Santamaria Intl-BOI Boise Air Term. Gowen Fld

14h 57m1 stop Denver Intl

11:45 am - 7:15 amBOI Boise Air Term. Gowen Fld-SJO San José Juan Santamaria Intl

19h 30m1 stop San Francisco

$567United Airlines

Sun, Dec 6 - Wed, Apr 7

8:45 am - 11:08 amSJO San José Juan Santamaria Intl-BOI Boise Air Term. Gowen Fld

27h 23m2 stops Houston George Bush Intcntl San Francisco

5:22 pm - 10:11 amBOI Boise Air Term. Gowen Fld-SJO San José Juan Santamaria Intl

16h 49m2 stops Denver Intl Houston George Bush Intcntl

$567United Airlines

Sun, Dec 6 - Wed, Apr 7

1:15 am - 9:10 pmSJO San José Juan Santamaria Intl-IDA Idaho Falls Fanning Field

20h 55m2 stops Houston George Bush Intcntl Denver Intl

4:08 pm - 1:22 pmIDA Idaho Falls Fanning Field-SJO San José Juan Santamaria Intl

20h 14m2 stops Denver Intl Houston George Bush Intcntl

$568United Airlines

Wed, Jan 27 - Mon, Feb 1

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

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

Trusted and free

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

Price Alerts

Not ready to book? to track prices.

Search flight deals

American Airlines flights from San José to Idaho

Our best American Airlines deals on San José to Idaho flight tickets

American Airlines

Jan 20

SJO3:56 pmSan José Juan Santamaria Intl

20h 52m

2 stops

BOI11:48 amBoise Air Term. Gowen Fld

Jan 30

BOI1:35 pmBoise Air Term. Gowen Fld

23h 16m

1 stop

SJO1:51 pmSan José Juan Santamaria Intl

$490

American Airlines

Dec 8

SJO2:46 pmSan José Juan Santamaria Intl

24h 06m

1 stop

BOI1:52 pmBoise Air Term. Gowen Fld

Apr 6

BOI6:44 amBoise Air Term. Gowen Fld

14h 52m

1 stop

SJO9:36 pmSan José Juan Santamaria Intl

$555

American Airlines

Jan 20

SJO3:56 pmSan José Juan Santamaria Intl

21h 48m

2 stops

BOI12:44 pmBoise Air Term. Gowen Fld

Jan 30

BOI4:35 pmBoise Air Term. Gowen Fld

20h 16m

2 stops

SJO1:51 pmSan José Juan Santamaria Intl

$589

United Airlines flights from San José to Idaho

Our best United Airlines deals on San José to Idaho flight tickets

United Airlines

Jan 28

SJO8:45 amSan José Juan Santamaria Intl

26h 06m

2 stops

IDA9:51 amIdaho Falls Fanning Field

Feb 1

IDA4:08 pmIdaho Falls Fanning Field

27h 31m

2 stops

SJO8:39 pmSan José Juan Santamaria Intl

$473

United Airlines

Dec 8

SJO8:45 amSan José Juan Santamaria Intl

26h 14m

2 stops

BOI9:59 amBoise Air Term. Gowen Fld

Apr 6

BOI4:05 pmBoise Air Term. Gowen Fld

15h 10m

1 stop

SJO7:15 amSan José Juan Santamaria Intl

$507

United Airlines

Dec 6

SJO8:45 amSan José Juan Santamaria Intl

27h 23m

2 stops

BOI11:08 amBoise Air Term. Gowen Fld

Apr 7

BOI5:22 pmBoise Air Term. Gowen Fld

16h 49m

2 stops

SJO10:11 amSan José Juan Santamaria Intl

$567

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

San JoséIdaho Falls

SJO San José Juan Santamaria Intl - IDA Idaho Falls Fanning Field

SJOIDA

San José Juan Santamaria Intl

Thu 1/28

8:45 am-9:51 am

2 stops26h 06m

Idaho Falls Fanning Field

Mon 2/1

4:08 pm-8:39 pm

2 stops27h 31m

$473

San JoséBoise

SJO San José Juan Santamaria Intl - BOI Boise Air Term. Gowen Fld

SJOBOI

San José Juan Santamaria Intl

Wed 1/20

3:56 pm-11:48 am

2 stops20h 52m

Boise Air Term. Gowen Fld

Sat 1/30

1:35 pm-1:51 pm

1 stop23h 16m

$490

San JoséBoise

SJO San José Juan Santamaria Intl - BOI Boise Air Term. Gowen Fld

SJOBOI

San José Juan Santamaria Intl

Wed 1/20

3:56 pm-12:44 pm

2 stops21h 48m

Boise Air Term. Gowen Fld

Sat 1/30

4:35 pm-1:51 pm

2 stops20h 16m

$490

San JoséBoise

SJO San José Juan Santamaria Intl - BOI Boise Air Term. Gowen Fld

SJOBOI

San José Juan Santamaria Intl

Tue 12/8

8:45 am-9:59 am

2 stops26h 14m

Boise Air Term. Gowen Fld

Tue 4/6

4:05 pm-7:15 am

1 stop15h 10m

$507

San JoséBoise

SJO San José Juan Santamaria Intl - BOI Boise Air Term. Gowen Fld

SJOBOI

San José Juan Santamaria Intl

Tue 12/8

8:45 am-9:59 am

2 stops26h 14m

Boise Air Term. Gowen Fld

Tue 4/6

4:05 pm-12:21 pm

2 stops20h 16m

$507

San JoséBoise

SJO San José Juan Santamaria Intl - BOI Boise Air Term. Gowen Fld

SJOBOI

San José Juan Santamaria Intl

Tue 12/8

2:46 pm-1:52 pm

1 stop24h 06m

Boise Air Term. Gowen Fld

Tue 4/6

6:44 am-9:36 pm

1 stop14h 52m

$555

San JoséBoise

SJO San José Juan Santamaria Intl - BOI Boise Air Term. Gowen Fld

SJOBOI

San José Juan Santamaria Intl

Sun 12/6

7:30 am-9:27 pm

1 stop14h 57m

Boise Air Term. Gowen Fld

Wed 4/7

8:20 am-10:11 am

2 stops25h 51m

$567

Quickest round-trip

San JoséBoise

SJO San José Juan Santamaria Intl - BOI Boise Air Term. Gowen Fld

SJOBOI

San José Juan Santamaria Intl

Sun 12/6

7:30 am-9:27 pm

1 stop14h 57m

Boise Air Term. Gowen Fld

Wed 4/7

11:45 am-7:15 am

1 stop19h 30m

$567

San JoséBoise

SJO San José Juan Santamaria Intl - BOI Boise Air Term. Gowen Fld

SJOBOI

San José Juan Santamaria Intl

Sun 12/6

8:45 am-11:08 am

2 stops27h 23m

Boise Air Term. Gowen Fld

Wed 4/7

5:22 pm-10:11 am

2 stops16h 49m

$567

San JoséIdaho Falls

SJO San José Juan Santamaria Intl - IDA Idaho Falls Fanning Field

SJOIDA

San José Juan Santamaria Intl

Wed 1/27

1:15 am-9:10 pm

2 stops20h 55m

Idaho Falls Fanning Field

Mon 2/1

4:08 pm-1:22 pm

2 stops20h 14m

$568

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from San José to Idaho

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

Prices

Airlines

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

You could potentially save up to 35% on your flight if you consider stops on a San José to Idaho flight.

Cheap San José to Idaho flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from San José to Idaho

Best Price Found	$260
Fastest flight time	18h 19m
Direct flights	None

The best one-way flight to Idaho from San José in the past 72 hours is $260. The best round-trip flight deal from San José to Idaho found on momondo in the last 72 hours is $473.

The fastest flight from San José to Idaho takes 18h 19m

There are no direct flights from San José to Idaho. There are no popular flight routes from San José to Idaho.

Search flight deals

Frequently asked questions about flying from San José to Idaho

When did momondo last update prices for flights from San José Juan Santamaria Intl Airport to Idaho?
Prices for flights from San José Juan Santamaria Intl Airport to Idaho were last updated today.
How many operators does momondo search for flights from San José Juan Santamaria Intl Airport to Idaho?
The number of operators available for flights from San José Juan Santamaria Intl Airport to Idaho is 1 as of October 2026.
How old do you have to be to fly from San José Juan Santamaria Intl Airport to Idaho?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from San José Juan Santamaria Intl Airport to Idaho.
What documentation or ID do you need to fly to Idaho?
The necessary travel and health documents for your Idaho trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from San José to Idaho

Compare and see reviews for airlines that fly from San José to Idaho with momondo

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $301	Free Cancellation	Rating 7.3 10,404 reviews		Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from San José to Idaho?

Finding the right flight to Idaho from San José is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Idaho quick and easy, saving you time and money.

Can I find flights from San José to Idaho with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for San José to Idaho flights to just show those with flexible booking policies.

How can momondo help me find flights from San José to Idaho?

momondo helps you find the best flight between San José and Idaho by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from San José to Idaho right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Idaho, momondo offers a useful price alert feature which will track prices for flights to Idaho from San José and alert you when they change.