Cheap flights from Idaho Falls to San José from $402

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Idaho Falls to San José departing on 1/15. 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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American Airlines Logo
2:07 pm - 1:54 pmIDA-SJO
22h 47m2 stops
American Airlines Logo
1:43 pm - 1:37 pmSJO-IDA
24h 54m2 stops
$402American Airlines
Find Deal
Thu, Jan 15 - Wed, Jan 21
American Airlines Logo
1:43 pm - 9:55 pmIDA-SJO
8h 12m1 stop
American Airlines Logo
12:01 am - 12:22 pmSJO-IDA
12h 21m1 stop
$458American Airlines
Find Deal
Tue, Mar 10 - Wed, Mar 11
United Airlines Logo
2:35 pm - 11:56 amIDA-SJO
21h 21m2 stops
United Airlines Logo
1:05 pm - 9:28 amSJO-IDA
20h 23m2 stops
$482United Airlines
Find Deal
Tue, Mar 10 - Thu, Mar 12
Alaska Airlines Logo
8:00 am - 10:00 pmIDA-SJO
14h 00m2 stops
Alaska Airlines Logo
1:26 am - 10:38 pmSJO-IDA
21h 12m2 stops
$607Alaska Airlines
Find Deal
Tue, Mar 10 - Wed, Mar 11
Alaska Airlines Logo
8:00 am - 10:00 pmIDA-SJO
14h 00m2 stops
Alaska Airlines Logo
1:26 am - 10:38 pmSJO-IDA
21h 12m2 stops
$618Alaska Airlines
Find Deal
Tue, Mar 10 - Wed, Mar 11
United Airlines Logo
10:58 am - 10:00 pmIDA-SJO
10h 02m1 stop
United Airlines Logo
6:30 am - 10:59 pmSJO-IDA
17h 29m2 stops
$678United Airlines
Find Deal
Sat, Dec 13 - Sat, Dec 20
Multiple Airlines Logo
6:05 am - 11:48 pmIDA-SJO
16h 43m2 stops
Multiple Airlines Logo
6:00 am - 12:07 amSJO-IDA
19h 07m3 stops
$1,838Multiple Airlines
Find Deal
Sat, Dec 13 - Sat, Dec 20
Delta Logo
5:55 am - 9:55 pmIDA-SJO
15h 00m2 stops
Delta Logo
8:30 am - 10:52 pmSJO-IDA
15h 22m2 stops
$2,160Delta
Find Deal
Thu, Dec 25 - Fri, Jan 2
Multiple Airlines Logo
6:00 am - 11:15 pmIDA-SJO
16h 15m3 stops
Multiple Airlines Logo
1:30 am - 12:07 amSJO-IDA
23h 37m2 stops
$2,327Multiple Airlines
Find Deal
Thu, Dec 25 - Thu, Jan 1
Delta Logo
1:10 pm - 7:05 amIDA-SJO
16h 55m2 stops
Delta Logo
8:30 am - 10:52 pmSJO-IDA
15h 22m2 stops
$3,305Delta
Find Deal
Fri, Dec 26 - Fri, Jan 2

Alaska Airlines flights from Idaho Falls to San José

Our best Alaska Airlines deals on Idaho Falls to San José flight tickets
Alaska Airlines
Mar 10
IDA8:00 amIdaho Falls Fanning Field
14h 00m
2 stops
SJO10:00 pmSan José Juan Santamaria Intl
Mar 11
SJO1:26 amSan José Juan Santamaria Intl
21h 12m
2 stops
IDA10:38 pmIdaho Falls Fanning Field
Alaska Airlines
Mar 10
IDA8:00 amIdaho Falls Fanning Field
14h 00m
2 stops
SJO10:00 pmSan José Juan Santamaria Intl
Mar 11
SJO1:26 amSan José Juan Santamaria Intl
21h 12m
2 stops
IDA10:38 pmIdaho Falls Fanning Field
Alaska Airlines
Jan 15
IDA9:00 amIdaho Falls Fanning Field
38h 01m
2 stops
SJO12:01 amSan José Juan Santamaria Intl
Jan 20
SJO1:16 amSan José Juan Santamaria Intl
22h 43m
2 stops
IDA10:59 pmIdaho Falls Fanning Field

American Airlines flights from Idaho Falls to San José

Our best American Airlines deals on Idaho Falls to San José flight tickets
American Airlines
Jan 15
IDA2:07 pmIdaho Falls Fanning Field
22h 47m
2 stops
SJO1:54 pmSan José Juan Santamaria Intl
Jan 21
SJO1:43 pmSan José Juan Santamaria Intl
24h 54m
2 stops
IDA1:37 pmIdaho Falls Fanning Field
American Airlines
Mar 10
IDA1:43 pmIdaho Falls Fanning Field
8h 12m
1 stop
SJO9:55 pmSan José Juan Santamaria Intl
Mar 11
SJO12:01 amSan José Juan Santamaria Intl
12h 21m
1 stop
IDA12:22 pmIdaho Falls Fanning Field
American Airlines
Mar 10
IDA1:43 pmIdaho Falls Fanning Field
23h 42m
2 stops
SJO1:25 pmSan José Juan Santamaria Intl
Mar 12
SJO2:50 pmSan José Juan Santamaria Intl
31h 07m
2 stops
IDA9:57 pmIdaho Falls Fanning Field

momondo Fare Finder

 
Customize your flight search to find flights from Idaho Falls 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 October 30, 2025.
Use the filters below to find and compare flights from Idaho Falls to San José that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Idaho FallsSan José

IDA - SJO

IDASJO

Idaho Falls Fanning Field

Thu 1/15

2:07 pm-1:54 pm

2 stops22h 47m

San José Juan Santamaria Intl

Wed 1/21

1:43 pm-1:37 pm

2 stops24h 54m

$402

Idaho FallsSan José

IDA - SJO

IDASJO

Idaho Falls Fanning Field

Tue 3/10

1:43 pm-9:55 pm

1 stop8h 12m

San José Juan Santamaria Intl

Wed 3/11

12:01 am-12:22 pm

1 stop12h 21m

$458

Idaho FallsSan José

IDA - SJO

IDASJO

Idaho Falls Fanning Field

Tue 3/10

2:35 pm-11:56 am

2 stops21h 21m

San José Juan Santamaria Intl

Thu 3/12

1:05 pm-9:28 am

2 stops20h 23m

$482

Idaho FallsSan José

IDA - SJO

IDASJO

Idaho Falls Fanning Field

Tue 3/10

8:00 am-10:00 pm

2 stops14h 00m

San José Juan Santamaria Intl

Wed 3/11

1:26 am-10:38 pm

2 stops21h 12m

$607

Idaho FallsSan José

IDA - SJO

IDASJO

Idaho Falls Fanning Field

Tue 3/10

8:00 am-10:00 pm

2 stops14h 00m

San José Juan Santamaria Intl

Wed 3/11

1:26 am-10:38 pm

2 stops21h 12m

$618

Idaho FallsSan José

IDA - SJO

IDASJO

Idaho Falls Fanning Field

Sat 12/13

10:58 am-10:00 pm

1 stop10h 02m

San José Juan Santamaria Intl

Sat 12/20

6:30 am-10:59 pm

2 stops17h 29m

$678

Idaho FallsSan José

IDA - SJO

IDASJO

Idaho Falls Fanning Field

Sat 12/13

6:05 am-11:48 pm

2 stops16h 43m

San José Juan Santamaria Intl

Sat 12/20

6:00 am-12:07 am

3 stops19h 07m

$1,838

Idaho FallsSan José

IDA - SJO

IDASJO

Idaho Falls Fanning Field

Thu 12/25

5:55 am-9:55 pm

2 stops15h 00m

San José Juan Santamaria Intl

Fri 1/2

8:30 am-10:52 pm

2 stops15h 22m

$2,160

Idaho FallsSan José

IDA - SJO

IDASJO

Idaho Falls Fanning Field

Thu 12/25

6:00 am-11:15 pm

3 stops16h 15m

San José Juan Santamaria Intl

Thu 1/1

1:30 am-12:07 am

2 stops23h 37m

$2,327

Idaho FallsSan José

IDA - SJO

IDASJO

Idaho Falls Fanning Field

Fri 12/26

1:10 pm-7:05 am

2 stops16h 55m

San José Juan Santamaria Intl

Fri 1/2

8:30 am-10:52 pm

2 stops15h 22m

$3,305

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to San José from

How to get the cheapest flight ticket from Idaho Falls 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 day to depart on your flight to San José?

On average, the least expensive day to fly to San José from Idaho Falls is on a Saturday. momondo users have found tickets for Saturday departures for as low as $718. However, this price may fluctuate depending on the airline, the season, and holidays. Flights from Idaho Falls to San José on a Wednesday will generally be more expensive and average around $937. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to San José?

Our data shows that the cheapest Idaho Falls to San José flights are usually those with departure times at noon. Our users have found flights to San José at noon for as low as $688. Flights in the afternoon are often more expensive with an average ticket price of $1,051.

When to book flights from Idaho Falls to San José

Are you open to changing your travel dates? Check out the ideal times to fly from Idaho Falls to San José according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Idaho Falls to San José (IDA to SJO) flight deals and tips

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

Direct flights

None
There are no direct flights from Idaho Falls to San José. There are no popular flight routes from Idaho Falls to San José.
  • How far is Idaho Falls Fanning Field to San José Juan Santamaria Intl by plane?

    The distance between Idaho Falls Fanning Field and San José Juan Santamaria Intl is about 2857.7 mi. A reasonable flight in good conditions will take 8h 12m.

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

    Prices for flights from Idaho Falls Fanning Field Airport to San José Juan Santamaria Intl Airport are updated daily.

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

  • How old do you have to be to fly from Idaho Falls Fanning Field Airport 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 Falls Fanning Field Airport to San José Juan Santamaria Intl Airport.

  • What documentation or ID do you need to fly to San José Juan Santamaria Intl Airport?

    The necessary travel and health documents for your San José Juan Santamaria Intl Airport 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.

  • What is the most popular airline from Idaho Falls to San José?

Best airlines flying from Idaho Falls to San José

Compare and see reviews for airlines that fly from Idaho Falls to San José with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $627Free CancellationRating
7.2
11,034 reviews
Search American Airlines 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
Alajuela
Monteverde
Heredia
Dominical
Santa Elena
Esterillos Este

Why use momondo?

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

Finding the right flight to San José from Idaho Falls 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 San José quick and easy, saving you time and money.

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

All flight searches from Idaho Falls 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 Falls to San José?

momondo provides multiple filters to help you find the best flight to San José from Idaho Falls. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

If you are not ready to book a flight from Idaho Falls 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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Sat 11/29
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