SJO

$90 Find Cheap Flights from Illinois to San José

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to San José departing on 1/22. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$293
Overall average: $556
Multiple Airlines
Tue 1/6Sun 1/11
STL - SJO • 2 stops
Cheapest non-stop
$343
Typical prices: $441-$716
United Airlines
Mon 1/19Thu 1/29
ORD - SJO • Non-stop
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We hope you love your trip to San José!
Flight Deals
Useful Info
Flight Deals

Cheap Flights from Illinois to San José

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Illinois to San José that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Illinois to San José

Tue, Jan 6 - Sun, Jan 11
Multiple Airlines Logo
5:11 pm - 1:48 pm
STL
-
SJO
20h 37m2 stops
Multiple Airlines Logo
12:33 pm - 8:05 am
SJO
-
STL
19h 32m1 stop
$293Multiple Airlines
Fri, Jan 9 - Tue, Jan 13
Multiple Airlines Logo
3:43 pm - 12:14 pm
STL
-
SJO
20h 31m1 stop
Multiple Airlines Logo
12:33 pm - 6:51 am
SJO
-
STL
18h 18m2 stops
$297Multiple Airlines
Fri, Jan 9 - Sun, Jan 11
Multiple Airlines Logo
3:43 pm - 12:14 pm
STL
-
SJO
20h 31m1 stop
Multiple Airlines Logo
12:33 pm - 8:05 am
SJO
-
STL
19h 32m1 stop
$299Multiple Airlines
Wed, Jan 7 - Sun, Jan 11
Multiple Airlines Logo
5:11 pm - 12:22 pm
STL
-
SJO
19h 11m2 stops
Multiple Airlines Logo
12:33 pm - 8:05 am
SJO
-
STL
19h 32m1 stop
$301Multiple Airlines
Fri, Jan 9 - Mon, Jan 12
Frontier Logo
3:43 pm - 12:14 pm
STL
-
SJO
20h 31m1 stop
Frontier Logo
2:58 pm - 10:34 pm
SJO
-
STL
31h 36m2 stops
$315Frontier
Thu, Jan 15 - Thu, Jan 22
Avianca Logo
4:10 pm - 11:40 pm
ORD
-
SJO
7h 30m1 stop
Avianca Logo
5:00 am - 2:50 pm
SJO
-
ORD
9h 50m1 stop
$329Avianca
Sat, Feb 21 - Sat, Feb 28
Spirit Airlines Logo
5:32 pm - 12:22 pm
ORD
-
SJO
18h 50m1 stop
Spirit Airlines Logo
1:31 pm - 12:18 am
SJO
-
ORD
10h 47m1 stop
$332Spirit Airlines
Fri, Feb 20 - Thu, Feb 26
Spirit Airlines Logo
12:44 pm - 11:40 am
ORD
-
SJO
22h 56m1 stop
Spirit Airlines Logo
1:31 pm - 12:18 am
SJO
-
ORD
10h 47m1 stop
$335Spirit Airlines
Mon, Dec 15 - Tue, Dec 23
Delta Logo
6:00 am - 10:20 pm
MDW
-
SJO
16h 20m1 stop
Delta Logo
2:21 pm - 10:22 pm
SJO
-
MDW
8h 01m1 stop
$349Delta
Mon, Dec 15 - Thu, Dec 25
Delta Logo
6:00 am - 10:20 pm
MDW
-
SJO
16h 20m1 stop
Delta Logo
7:00 am - 10:22 pm
SJO
-
MDW
15h 22m1 stop
$358Delta
Useful Info

Good to know

Low seasonSeptember
Cheapest flight$90
Best time to beat the crowds with an average 19% drop in price.
Most popular time to fly with an average 34% increase in price.
Flight from Chicago O'Hare Airport to San José

FAQs for booking flights from Illinois to San José

  • How does KAYAK find such low prices on flights from Illinois to San José?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Illinois to San José.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to San José?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to San José from Illinois is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Illinois to San José?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to San José with an airline and back to Illinois with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Illinois to San José?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to San José from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Traveling to a place near San José?

Book flights to San José if you plan to visit one of these locations
Heredia
Santa Elena
Esterillos Este
San Gerardo de Dota
San Lorenzo

Everything you need to know for your flight to San José

Information on the airport you'll fly into in San José

San José (SJO)