SJO

$137 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

Wed, Aug 5 - Sun, Aug 9
Frontier Logo
4:09 pm - 8:20 am
STL
-
SJO
17h 11m
1 stop
Frontier Logo
9:35 am - 11:59 pm
SJO
-
STL
13h 24m
1 stop
$458Frontier
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
Wed, Aug 5 - Sun, Aug 9
Frontier Logo
4:09 pm - 8:20 am
STL
-
SJO
17h 11m
1 stop
Frontier Logo
9:35 am - 8:57 am
SJO
-
STL
22h 22m
2 stops
$483Frontier
Sun, Aug 16 - Sun, Aug 23
Copa Airlines Logo
3:21 pm - 8:19 am
ORD
-
SJO
17h 58m
1 stop
Copa Airlines Logo
4:08 am - 1:02 am
SJO
-
ORD
19h 54m
1 stop
$489Copa Airlines
Wed, Nov 4 - Wed, Nov 11
Copa Airlines Logo
2:13 pm - 4:49 pm
ORD
-
SJO
26h 36m
1 stop
Copa Airlines Logo
2:45 pm - 12:11 am
SJO
-
ORD
9h 26m
1 stop
$490Copa Airlines
Fri, Jul 31 - Fri, Aug 7
Viva Logo
1:30 am - 1:20 am
ORD
-
SJO
24h 50m
1 stop
Viva Logo
2:20 am - 12:40 am
SJO
-
ORD
21h 20m
1 stop
$492Viva
Wed, Aug 19 - Wed, Aug 26
Air Canada Logo
12:10 pm - 8:20 pm
STL
-
SJO
9h 10m
1 stop
Air Canada Logo
7:10 am - 2:02 pm
SJO
-
STL
29h 52m
1 stop
$493Air Canada
Wed, Aug 19 - Wed, Aug 26
Air Canada Logo
12:10 pm - 8:20 pm
STL
-
SJO
9h 10m
1 stop
Air Canada Logo
7:10 am - 6:42 pm
SJO
-
STL
34h 32m
2 stops
$496Air Canada
Tue, Sep 1 - Wed, Sep 30
Multiple Airlines Logo
7:44 pm - 3:11 pm
ORD
-
SJO
20h 27m
1 stop
Multiple Airlines Logo
7:07 am - 9:34 pm
SJO
-
ORD
13h 27m
2 stops
$496Multiple Airlines
Thu, Sep 3 - Sun, Sep 6
Multiple Airlines Logo
1:49 pm - 11:59 pm
ORD
-
SJO
11h 10m
1 stop
Multiple Airlines Logo
4:15 pm - 12:09 pm
SJO
-
ORD
18h 54m
1 stop
$503Multiple Airlines
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Good to know

Low seasonSeptember
Cheapest flight$137
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)