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Cheap flights from San José to Idaho Falls from $637

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from San José to Idaho Falls departing on 12/2. 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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Cheap round-trip flights

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American Airlines Logo
1:23 pm - 1:27 pmSJO-IDA
25h 04m2 stops
American Airlines Logo
1:58 pm - 2:02 pmIDA-SJO
23h 04m2 stops
$637American Airlines
Find Deal
Tue, Dec 2 - Wed, Dec 10
Multiple Airlines Logo
2:20 am - 11:29 amSJO-IDA
34h 09m2 stops
Multiple Airlines Logo
5:07 pm - 11:48 pmIDA-SJO
29h 41m2 stops
$709Multiple Airlines
Find Deal
Mon, Dec 1 - Wed, Dec 10
American Airlines Logo
1:23 pm - 1:27 pmSJO-IDA
25h 04m2 stops
American Airlines Logo
1:58 pm - 2:02 pmIDA-SJO
23h 04m2 stops
$733American Airlines
Find Deal
Tue, Dec 2 - Wed, Dec 10
American Airlines Logo
6:22 am - 1:27 pmSJO-IDA
32h 05m1 stop
American Airlines Logo
1:58 pm - 12:13 pmIDA-SJO
21h 15m2 stops
$748American Airlines
Find Deal
Tue, Dec 2 - Wed, Dec 10
American Airlines Logo
2:59 pm - 1:27 pmSJO-IDA
23h 28m1 stop
American Airlines Logo
1:58 pm - 2:02 pmIDA-SJO
23h 04m2 stops
$817American Airlines
Find Deal
Tue, Dec 2 - Wed, Dec 10
Alaska Airlines Logo
1:30 am - 4:27 pmSJO-IDA
39h 57m2 stops
Alaska Airlines Logo
5:07 pm - 11:48 pmIDA-SJO
29h 41m2 stops
$1,350Alaska Airlines
Find Deal
Mon, Dec 1 - Wed, Dec 10

Alaska Airlines flights from San José to Idaho Falls

Our best Alaska Airlines deals on San José to Idaho Falls flight tickets
Alaska Airlines
Nov 3
SJO1:55 amSan José Juan Santamaria Intl
23h 04m
2 stops
IDA11:59 pmIdaho Falls Fanning Field
Nov 11
IDA6:05 amIdaho Falls Fanning Field
41h 33m
2 stops
SJO12:38 amSan José Juan Santamaria Intl
$598
Find similar
Alaska Airlines
Dec 1
SJO1:30 amSan José Juan Santamaria Intl
39h 57m
2 stops
IDA4:27 pmIdaho Falls Fanning Field
Dec 10
IDA5:07 pmIdaho Falls Fanning Field
29h 41m
2 stops
SJO11:48 pmSan José Juan Santamaria Intl
$1,350
Find similar

United Airlines flights from San José to Idaho Falls

Our best United Airlines deals on San José to Idaho Falls flight tickets
United Airlines
Oct 30
SJO7:45 amSan José Juan Santamaria Intl
15h 07m
2 stops
IDA10:52 pmIdaho Falls Fanning Field
Nov 1
IDA8:30 amIdaho Falls Fanning Field
28h 45m
2 stops
SJO1:15 pmSan José Juan Santamaria Intl
$345
Find similar
United Airlines
Nov 4
SJO8:45 amSan José Juan Santamaria Intl
31h 31m
2 stops
IDA3:16 pmIdaho Falls Fanning Field
Nov 11
IDA8:30 amIdaho Falls Fanning Field
25h 55m
2 stops
SJO11:25 amSan José Juan Santamaria Intl
$523
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from San José to Idaho Falls 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 29, 2025.
Use the filters below to find and compare flights from San José to Idaho Falls that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San JoséIdaho Falls

SJO - IDA

SJOIDA

San José Juan Santamaria Intl

Tue 12/2

1:23 pm-1:27 pm

2 stops25h 04m

Idaho Falls Fanning Field

Wed 12/10

1:58 pm-2:02 pm

2 stops23h 04m

$637

San JoséIdaho Falls

SJO - IDA

SJOIDA

San José Juan Santamaria Intl

Mon 12/1

2:20 am-11:29 am

2 stops34h 09m

Idaho Falls Fanning Field

Wed 12/10

5:07 pm-11:48 pm

2 stops29h 41m

$709

San JoséIdaho Falls

SJO - IDA

SJOIDA

San José Juan Santamaria Intl

Tue 12/2

1:23 pm-1:27 pm

2 stops25h 04m

Idaho Falls Fanning Field

Wed 12/10

1:58 pm-2:02 pm

2 stops23h 04m

$733

San JoséIdaho Falls

SJO - IDA

SJOIDA

San José Juan Santamaria Intl

Tue 12/2

6:22 am-1:27 pm

1 stop32h 05m

Idaho Falls Fanning Field

Wed 12/10

1:58 pm-12:13 pm

2 stops21h 15m

$748

San JoséIdaho Falls

SJO - IDA

SJOIDA

San José Juan Santamaria Intl

Tue 12/2

2:59 pm-1:27 pm

1 stop23h 28m

Idaho Falls Fanning Field

Wed 12/10

1:58 pm-2:02 pm

2 stops23h 04m

$817

San JoséIdaho Falls

SJO - IDA

SJOIDA

San José Juan Santamaria Intl

Mon 12/1

1:30 am-4:27 pm

2 stops39h 57m

Idaho Falls Fanning Field

Wed 12/10

5:07 pm-11:48 pm

2 stops29h 41m

$1,350

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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

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

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

You could potentially save up to 16% on your flight if you consider stops on a San José to Idaho Falls flight.

When to book flights from San José to Idaho Falls

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

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

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

Direct flights

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

    San José Juan Santamaria Intl and Idaho Falls Fanning Field are 2857.7 mi apart from one another. By plane, this route typically takes 23h 28m.

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

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

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

    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 Falls Fanning Field Airport.

  • What documentation or ID do you need to fly to Idaho Falls Fanning Field Airport?

    The travel and health documents you'll need for your trip to Idaho Falls Fanning Field Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Idaho Falls Fanning Field Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Traveling to a place near Idaho Falls?

Book flights to Idaho Falls if you plan to visit one of these locations
Rexburg

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from San José to Idaho Falls. momondo saves you time and could save you money on your trip.

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

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

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

momondo helps you find the best flight between San José and Idaho Falls 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 Falls right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of San José to Idaho Falls flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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