Cheap flights from Idaho to San José from $249
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Idaho to San José departing on 4/1. 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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Fly from
Fly to
Route
Depart
Return
BoiseSan José
BOI Boise Air Term. Gowen Fld - SJO San José Juan Santamaria Intl
BOISJO
Boise Air Term. Gowen Fld
Wed 2/10
1:35 pm-11:14 am
2 stops20h 39m
San José Juan Santamaria Intl
Wed 2/17
12:30 am-11:28 am
1 stop11h 58m
BoiseSan José
BOI Boise Air Term. Gowen Fld - SJO San José Juan Santamaria Intl
BOISJO
Boise Air Term. Gowen Fld
Wed 2/10
1:35 pm-11:14 am
2 stops20h 39m
San José Juan Santamaria Intl
Wed 2/17
12:30 am-6:14 pm
2 stops18h 44m
BoiseSan José
BOI Boise Air Term. Gowen Fld - SJO San José Juan Santamaria Intl
BOISJO
Boise Air Term. Gowen Fld
Tue 1/12
1:35 pm-12:20 pm
2 stops21h 45m
San José Juan Santamaria Intl
Mon 1/18
6:30 am-8:06 pm
1 stop14h 36m
Idaho FallsSan José
IDA Idaho Falls Fanning Field - SJO San José Juan Santamaria Intl
IDASJO
Idaho Falls Fanning Field
Thu 1/21
7:00 am-8:39 pm
2 stops12h 39m
San José Juan Santamaria Intl
Fri 1/29
1:15 am-3:31 pm
2 stops15h 16m
BoiseSan José
BOI Boise Air Term. Gowen Fld - SJO San José Juan Santamaria Intl
BOISJO
Boise Air Term. Gowen Fld
Sun 2/7
7:25 am-11:25 pm
1 stop15h 00m
San José Juan Santamaria Intl
Thu 2/11
1:45 am-12:11 am
2 stops23h 26m
BoiseSan José
BOI Boise Air Term. Gowen Fld - SJO San José Juan Santamaria Intl
BOISJO
Boise Air Term. Gowen Fld
Mon 2/8
6:37 am-11:25 pm
2 stops15h 48m
San José Juan Santamaria Intl
Thu 2/11
1:45 am-12:11 am
2 stops23h 26m
BoiseSan José
BOI Boise Air Term. Gowen Fld - SJO San José Juan Santamaria Intl
BOISJO
Boise Air Term. Gowen Fld
Fri 2/19
8:20 pm-11:30 am
2 stops14h 10m
San José Juan Santamaria Intl
Sat 2/27
12:30 pm-9:45 pm
1 stop10h 15m
BoiseSan José
BOI Boise Air Term. Gowen Fld - SJO San José Juan Santamaria Intl
BOISJO
Boise Air Term. Gowen Fld
Thu 10/22
6:50 pm-7:15 am
1 stop12h 25m
San José Juan Santamaria Intl
Sun 10/25
8:40 am-11:33 pm
1 stop14h 53m
BoiseSan José
BOI Boise Air Term. Gowen Fld - SJO San José Juan Santamaria Intl
BOISJO
Boise Air Term. Gowen Fld
Sun 11/15
8:15 am-8:32 am
1 stop23h 17m
San José Juan Santamaria Intl
Mon 11/23
9:40 am-9:15 pm
1 stop12h 35m
BoiseSan José
BOI Boise Air Term. Gowen Fld - SJO San José Juan Santamaria Intl
BOISJO
Boise Air Term. Gowen Fld
Wed 11/18
2:50 pm-1:15 pm
2 stops21h 25m
San José Juan Santamaria Intl
Wed 11/25
3:25 pm-10:00 am
2 stops19h 35m
See travel insights to San José from
How to get the cheapest flight ticket from Idaho 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 month to fly to San José?
In general, November is the cheapest month to fly from Idaho to San José. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $390. If you don’t want to visit San José in November, then you should wait until April to fly from Idaho, when ticket prices are also cheap, with an average price of $470.
How far in advance should I book a flight from Idaho to San José?
You are more likely to see cheaper flights to San José from Idaho when booking weeks ahead of your departure date. In general, you can expect to find flights to San José for around $645 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San José from Idaho for as low as $428 on momondo.
What is the cheapest airline that flies from Idaho to San José Juan Santamaria Intl?
United Airlines and American Airlines are the most popular carriers operating from Idaho to San José Juan Santamaria Intl
What airlines fly to San José?
United Airlines, American Airlines and Southwest are the top three most popular airlines that fly to San José from Idaho according to our data. United Airlines is the first choice among our users, with 60% of people opting to fly with this airline when traveling to San José. Keep in mind that there are 3 different airlines that fly to San José on a routine basis, so you have a few additional options to choose from.
Cheap Idaho to San José flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Idaho to San José
Frequently asked questions about flying from Idaho to San José
When did momondo last update prices for flights from Idaho to San José Juan Santamaria Intl Airport?
Prices for flights from Idaho to San José Juan Santamaria Intl Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Idaho to San José Juan Santamaria Intl Airport?
As of October 2026, there are 3 operators available to choose from for flights from Idaho to San José Juan Santamaria Intl Airport.
How old do you have to be to fly from Idaho 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 to San José Juan Santamaria Intl Airport.
What documentation or ID do you need to fly to San José Juan Santamaria Intl Airport?
The travel and health documents required for your trip to San José Juan Santamaria Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at San José Juan Santamaria Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
Best airlines flying from Idaho to San José
Compare and see reviews for airlines that fly from Idaho to San José with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $353 | Free Cancellation | Rating 7.4 10,324 reviews | |||
| PriceFrom $404 | Free Cancellation | Rating 7.0 12,147 reviews | |||
| PriceFrom $454 | Free Cancellation | Rating 7.9 4,224 reviews |
Traveling to a place near San José?
Book flights to San José if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Idaho to San José?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Idaho to San José. momondo saves you time and could save you money on your trip.
Can I find flights from Idaho to San José with flexible booking policies on momondo?
All flight searches from Idaho 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 to San José?
Once you have performed a search for Idaho to San José flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.
I’m not ready to book a flight from Idaho to San José right now. Can momondo alert me if prices change?
If you are not ready to book a flight from Idaho 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.