SJO

$96 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 1/21. 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
$279
Typical prices: $513-$724
Multiple Airlines
Mon 1/19Fri 2/27
STL - SJO • 2 stops
Cheapest non-stop
$325
Typical prices: $461-$769
Avianca
Wed 1/14Sun 1/18
ORD - SJO • Non-stop
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KAYAK searches 100s of sites at once to find you the best travel deals.
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

Mon, Jan 19 - Fri, Feb 27
Multiple Airlines Logo
8:39 am - 12:22 pmSTL-SJO
27h 43m2 stops
Multiple Airlines Logo
12:43 pm - 10:33 pmSJO-STL
9h 50m1 stop
$279Multiple Airlines
Find Deal
Sun, Jan 18 - Tue, Jan 27
Spirit Airlines Logo
8:22 pm - 12:22 pmORD-SJO
16h 00m1 stop
Spirit Airlines Logo
1:30 pm - 11:46 pmSJO-ORD
10h 16m1 stop
$287Spirit Airlines
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Tue, Jan 13 - Sun, Jan 18
Spirit Airlines Logo
5:15 am - 12:22 pmORD-SJO
7h 07m1 stop
Spirit Airlines Logo
1:30 pm - 11:46 pmSJO-ORD
10h 16m1 stop
$289Spirit Airlines
Find Deal
Thu, Jan 15 - Thu, Jan 22
Spirit Airlines Logo
5:15 am - 12:22 pmORD-SJO
7h 07m1 stop
Spirit Airlines Logo
1:30 pm - 2:19 pmSJO-ORD
24h 49m2 stops
$290Spirit Airlines
Find Deal
Thu, Jan 1 - Sat, Jan 10
Frontier Logo
6:33 pm - 1:42 pmMDW-SJO
19h 09m1 stop
Frontier Logo
1:35 pm - 10:27 pmSJO-MDW
8h 52m1 stop
$311Frontier
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Sun, Jan 25 - Wed, Jan 28
Delta Logo
6:00 am - 10:15 pmSTL-SJO
16h 15m1 stop
Delta Logo
2:31 pm - 11:37 pmSJO-STL
9h 06m1 stop
$318Delta
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Sat, Dec 6 - Thu, Dec 11
American Airlines Logo
1:59 pm - 10:28 pmSTL-SJO
8h 29m1 stop
American Airlines Logo
7:00 am - 11:59 pmSJO-STL
16h 59m1 stop
$322American Airlines
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Sat, Dec 6 - Thu, Dec 11
American Airlines Logo
1:59 pm - 10:28 pmSTL-SJO
8h 29m1 stop
American Airlines Logo
7:00 am - 7:30 pmSJO-STL
12h 30m2 stops
$326American Airlines
Find Deal
Mon, Feb 9 - Wed, Feb 11
Delta Logo
5:51 am - 10:15 pmMLI-SJO
16h 24m1 stop
Delta Logo
2:31 pm - 10:33 pmSJO-MLI
8h 02m1 stop
$352Delta
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Mon, Feb 9 - Wed, Feb 11
United Airlines Logo
5:29 pm - 1:15 pmMLI-SJO
19h 46m2 stops
United Airlines Logo
2:20 pm - 10:16 amSJO-MLI
19h 56m2 stops
$466United Airlines
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Useful Info

Good to know

Low seasonSeptember
Cheapest flight$96
Best time to beat the crowds with an average 20% drop in price.
Most popular time to fly with an average 35% 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