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Cheap flights from San José to Idaho from $165

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San José to Idaho departing on 4/24. 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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0 bags

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Find the cheapest flights from San José to Idaho

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
6:30 am - 9:56 am
SJO
-
IDA
28h 26m2 stops
United Airlines Logo
4:19 pm - 1:15 pm
IDA
-
SJO
43h 56m2 stops
$282United Airlines
Sat, Jan 24 - Mon, Feb 2
United Airlines Logo
9:40 am - 7:16 pm
SJO
-
GEG
11h 36m1 stop
United Airlines Logo
12:24 pm - 8:32 am
GEG
-
SJO
18h 08m1 stop
$291United Airlines
Thu, Jan 22 - Mon, Jan 26
United Airlines Logo
6:30 am - 7:16 pm
SJO
-
GEG
14h 46m2 stops
United Airlines Logo
12:24 pm - 8:32 am
GEG
-
SJO
18h 08m1 stop
$296United Airlines
Thu, Jan 22 - Mon, Jan 26
United Airlines Logo
8:45 am - 10:59 pm
SJO
-
IDA
15h 14m2 stops
United Airlines Logo
6:40 am - 8:39 pm
IDA
-
SJO
36h 59m2 stops
$313United Airlines
Mon, Dec 22 - Tue, Dec 30
United Airlines Logo
6:00 am - 11:09 am
SJO
-
GEG
30h 09m2 stops
United Airlines Logo
7:02 am - 7:15 am
GEG
-
SJO
23h 13m1 stop
$343United Airlines
Sun, May 17 - Sat, May 23
United Airlines Logo
7:30 am - 9:58 am
SJO
-
IDA
27h 28m1 stop
United Airlines Logo
6:40 am - 10:32 pm
IDA
-
SJO
38h 52m2 stops
$343United Airlines
Mon, Dec 22 - Tue, Dec 30
Alaska Airlines Logo
1:06 am - 12:45 pm
SJO
-
GEG
36h 39m2 stops
Alaska Airlines Logo
8:45 pm - 11:46 pm
GEG
-
SJO
26h 01m2 stops
$425Alaska Airlines
Sat, May 16 - Sat, May 23
Alaska Airlines Logo
12:20 am - 10:35 pm
SJO
-
IDA
22h 15m2 stops
Alaska Airlines Logo
6:15 am - 11:42 pm
IDA
-
SJO
17h 27m2 stops
$503Alaska Airlines
Mon, May 4 - Wed, May 6
Alaska Airlines Logo
12:20 am - 10:35 pm
SJO
-
IDA
22h 15m2 stops
Alaska Airlines Logo
6:15 am - 11:42 pm
IDA
-
SJO
17h 27m2 stops
$506Alaska Airlines
Mon, May 4 - Wed, May 6
Multiple Airlines Logo
8:13 am - 10:48 pm
SJO
-
GEG
15h 35m2 stops
Multiple Airlines Logo
3:47 pm - 11:35 pm
GEG
-
SJO
30h 48m3 stops
$767Multiple Airlines
Sun, May 17 - Sat, May 23

Alaska Airlines flights from San José to Idaho

Our best Alaska Airlines deals on San José to Idaho flight tickets
Alaska Airlines
May 16
SJO1:06 amSan José Juan Santamaria Intl
36h 39m
2 stops
GEG12:45 pmSpokane
May 23
GEG8:45 pmSpokane
26h 01m
2 stops
SJO11:46 pmSan José Juan Santamaria Intl
$425
Find similar
Alaska Airlines
May 4
SJO12:20 amSan José Juan Santamaria Intl
22h 15m
2 stops
IDA10:35 pmIdaho Falls Fanning Field
May 6
IDA6:15 amIdaho Falls Fanning Field
17h 27m
2 stops
SJO11:42 pmSan José Juan Santamaria Intl
$503
Find similar
Alaska Airlines
May 4
SJO12:20 amSan José Juan Santamaria Intl
22h 15m
2 stops
IDA10:35 pmIdaho Falls Fanning Field
May 6
IDA6:15 amIdaho Falls Fanning Field
17h 27m
2 stops
SJO11:42 pmSan José Juan Santamaria Intl
$506
Find similar

United Airlines flights from San José to Idaho

Our best United Airlines deals on San José to Idaho flight tickets
United Airlines
Jan 24
SJO6:30 amSan José Juan Santamaria Intl
28h 26m
2 stops
IDA9:56 amIdaho Falls Fanning Field
Feb 2
IDA4:19 pmIdaho Falls Fanning Field
43h 56m
2 stops
SJO1:15 pmSan José Juan Santamaria Intl
$282
Find similar
United Airlines
Jan 22
SJO9:40 amSan José Juan Santamaria Intl
11h 36m
1 stop
GEG7:16 pmSpokane
Jan 26
GEG12:24 pmSpokane
18h 08m
1 stop
SJO8:32 amSan José Juan Santamaria Intl
$291
Find similar
United Airlines
Jan 22
SJO6:30 amSan José Juan Santamaria Intl
14h 46m
2 stops
GEG7:16 pmSpokane
Jan 26
GEG12:24 pmSpokane
18h 08m
1 stop
SJO8:32 amSan José Juan Santamaria Intl
$296
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from San José to Idaho 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 December 11, 2025.
Use the filters below to find and compare flights from San José to Idaho that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San JoséIdaho Falls

SJO - IDA

SJOIDA

San José Juan Santamaria Intl

Sat 1/24

6:30 am-9:56 am

2 stops28h 26m

Idaho Falls Fanning Field

Mon 2/2

4:19 pm-1:15 pm

2 stops43h 56m

$282

San JoséSpokane

SJO - GEG

SJOGEG

San José Juan Santamaria Intl

Thu 1/22

9:40 am-7:16 pm

1 stop11h 36m

Spokane

Mon 1/26

12:24 pm-8:32 am

1 stop18h 08m

$291

San JoséSpokane

SJO - GEG

SJOGEG

San José Juan Santamaria Intl

Thu 1/22

6:30 am-7:16 pm

2 stops14h 46m

Spokane

Mon 1/26

12:24 pm-8:32 am

1 stop18h 08m

$296

San JoséIdaho Falls

SJO - IDA

SJOIDA

San José Juan Santamaria Intl

Mon 12/22

8:45 am-10:59 pm

2 stops15h 14m

Idaho Falls Fanning Field

Tue 12/30

6:40 am-8:39 pm

2 stops36h 59m

$313

San JoséSpokane

SJO - GEG

SJOGEG

San José Juan Santamaria Intl

Sun 5/17

6:00 am-11:09 am

2 stops30h 09m

Spokane

Sat 5/23

7:02 am-7:15 am

1 stop23h 13m

$343

San JoséIdaho Falls

SJO - IDA

SJOIDA

San José Juan Santamaria Intl

Mon 12/22

7:30 am-9:58 am

1 stop27h 28m

Idaho Falls Fanning Field

Tue 12/30

6:40 am-10:32 pm

2 stops38h 52m

$343

San JoséSpokane

SJO - GEG

SJOGEG

San José Juan Santamaria Intl

Sat 5/16

1:06 am-12:45 pm

2 stops36h 39m

Spokane

Sat 5/23

8:45 pm-11:46 pm

2 stops26h 01m

$425

San JoséIdaho Falls

SJO - IDA

SJOIDA

San José Juan Santamaria Intl

Mon 5/4

12:20 am-10:35 pm

2 stops22h 15m

Idaho Falls Fanning Field

Wed 5/6

6:15 am-11:42 pm

2 stops17h 27m

$503

San JoséIdaho Falls

SJO - IDA

SJOIDA

San José Juan Santamaria Intl

Mon 5/4

12:20 am-10:35 pm

2 stops22h 15m

Idaho Falls Fanning Field

Wed 5/6

6:15 am-11:42 pm

2 stops17h 27m

$506

San JoséSpokane

SJO - GEG

SJOGEG

San José Juan Santamaria Intl

Sun 5/17

8:13 am-10:48 pm

2 stops15h 35m

Spokane

Sat 5/23

3:47 pm-11:35 pm

3 stops30h 48m

$767

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Idaho from

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

What is the cheapest month to fly to Idaho?

In general, July is the cheapest month to fly from San José to Idaho. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $307. If you don’t want to visit Idaho in July, then you should wait until October to fly from San José, when ticket prices are also cheap, with an average price of $337.

What is the cheapest day to depart on your flight to Idaho?

Our data shows that Tuesday is the least expensive day to fly to Idaho. Tickets to fly out on this day can be as low as $443. On the other hand, Friday is the most expensive day to depart from San José because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $706.

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

According to our data, the cheapest time of day to fly to Idaho is at noon. momondo users have found flights departing from San José to Idaho at noon for as low as $434. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In the evening is when there is more demand to fly to Idaho, so prices are often more expensive at around $668 per ticket.

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

You could potentially save up to 27% 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

Fastest flight time

11h 36m

Direct flights

None
The fastest flight from San José to Idaho takes 11h 36m
There are no direct flights from San José to Idaho. There are no popular flight routes from San José to Idaho.
Search flight deals

  • 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?

  • 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 AirlinesPriceFrom $300Free CancellationRating
7.4
9,095 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.

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