SJO

$125 Find Cheap Flights from Illinois to San José - Compare and Save

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 8/31. 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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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, Oct 6 - Sat, Oct 10
Multiple Airlines Logo
10:35 am - 3:11 pm
STL
-
SJO
29h 36m
2 stops
Multiple Airlines Logo
7:07 am - 7:39 pm
SJO
-
STL
11h 32m
1 stop
$460Multiple Airlines
Mon, Sep 7 - Mon, Sep 21
Multiple Airlines Logo
6:17 pm - 3:11 pm
STL
-
SJO
21h 54m
2 stops
Multiple Airlines Logo
7:07 am - 7:39 pm
SJO
-
STL
11h 32m
1 stop
$465Multiple Airlines
Fri, Aug 7 - Thu, Aug 13
Frontier Logo
4:09 pm - 8:30 am
STL
-
SJO
17h 21m
1 stop
Frontier Logo
9:35 am - 11:59 pm
SJO
-
STL
13h 24m
1 stop
$478Frontier
Sat, Oct 31 - Wed, Nov 4
Southwest Logo
5:00 am - 12:00 pm
MDW
-
SJO
8h 00m
1 stop
Southwest Logo
2:15 pm - 11:05 pm
SJO
-
MDW
8h 50m
1 stop
$487Southwest
Sat, Aug 8 - Thu, Aug 13
Frontier Logo
5:13 pm - 8:20 am
ORD
-
SJO
16h 07m
1 stop
Frontier Logo
9:35 am - 11:10 pm
SJO
-
ORD
12h 35m
1 stop
$488Frontier
Thu, Nov 12 - Sun, Nov 15
Southwest Logo
5:15 am - 12:20 pm
MDW
-
SJO
7h 05m
1 stop
Southwest Logo
2:10 pm - 1:05 am
SJO
-
MDW
10h 55m
2 stops
$489Southwest
Sat, Aug 1 - Thu, Aug 6
Copa Airlines Logo
3:21 pm - 10:58 am
ORD
-
SJO
20h 37m
1 stop
Copa Airlines Logo
4:08 am - 12:02 am
SJO
-
ORD
18h 54m
1 stop
$490Copa Airlines
Tue, Oct 20 - Wed, Oct 28
American Airlines Logo
5:22 am - 1:00 pm
ORD
-
SJO
8h 38m
2 stops
American Airlines Logo
1:05 pm - 10:31 pm
SJO
-
ORD
8h 26m
1 stop
$495American Airlines
Sat, Aug 1 - Fri, Aug 7
Copa Airlines Logo
3:21 pm - 9:04 am
ORD
-
SJO
18h 43m
1 stop
Copa Airlines Logo
4:08 am - 1:59 pm
SJO
-
ORD
8h 51m
1 stop
$505Copa Airlines
Thu, Aug 27 - Tue, Sep 1
American Airlines Logo
8:19 am - 7:53 pm
ORD
-
SJO
12h 34m
2 stops
American Airlines Logo
1:03 pm - 12:18 am
SJO
-
ORD
10h 15m
1 stop
$507American Airlines
Useful Info

Good to know

Low seasonSeptember
Cheapest flight$125
Best time to beat the crowds with an average 17% drop in price.
Most popular time to fly with an average 23% 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
San Gerardo de Dota
Esterillos Este
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)