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. Visit our flight page for the latest deals!>/a>

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. Visit our flight page for the latest deals!>/a>

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. Visit our flight page for the latest deals!>/a>

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. Visit our flight page for the latest deals!>/a>

$127 CHEAP FLIGHTS from Illinois to San José

SJO

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Flights Deals

Cheap Flight Deals 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.

Round-trip

One-way

Last minute

Direct

Recent round-trip flight deals from Illinois to San José

KAYAK's recommended round-trip deals from the most popular airlines that fly from Illinois to San José.

Discover the best prices for you by selecting your travel dates on KAYAK.

5:05 am - 11:33 amORD-SJO

7h 28m1 stop

11:32 am - 11:29 pmSJO-ORD

10h 57m1 stop

$236Spirit Airlines

Find Deal

Mon, Jun 2 - Thu, Jun 5

3:07 pm - 8:20 amORD-SJO

18h 13m1 stop

10:57 am - 11:52 pmSJO-ORD

11h 55m1 stop

$246Copa Airlines

Find Deal

Thu, Jul 24 - Mon, Jul 28

7:35 pm - 11:33 amORD-SJO

16h 58m1 stop

2:48 pm - 5:42 amSJO-ORD

13h 54m1 stop

$266

Find Deal

Mon, Jun 2 - Tue, Jun 10

7:35 pm - 11:33 amORD-SJO

16h 58m1 stop

3:05 pm - 2:25 pmSJO-ORD

22h 20m2 stops

$280

Find Deal

Mon, Jun 2 - Thu, Jun 5

3:45 pm - 8:40 amORD-SJO

17h 55m2 stops

8:00 pm - 2:25 pmSJO-ORD

17h 25m2 stops

$340Avianca

Find Deal

Wed, Jun 4 - Sat, Jul 26

3:45 pm - 11:15 pmORD-SJO

8h 30m1 stop

8:00 pm - 2:25 pmSJO-ORD

17h 25m2 stops

$348Avianca

Find Deal

Wed, Jun 18 - Thu, Jun 26

4:49 pm - 9:25 amSTL-SJO

17h 36m2 stops

12:55 pm - 8:55 amSJO-STL

19h 00m2 stops

$366American Airlines

Find Deal

Fri, Oct 3 - Fri, Oct 10

10:08 am - 10:04 pmSTL-SJO

12h 56m1 stop

11:59 pm - 9:18 amSJO-STL

8h 19m1 stop

$382American Airlines

Find Deal

Fri, Jun 6 - Mon, Jun 16

6:00 am - 11:48 amMDW-SJO

6h 48m1 stop

1:18 pm - 9:44 pmSJO-MDW

7h 26m1 stop

$446Delta

Find Deal

Wed, Sep 3 - Mon, Sep 8

6:00 am - 11:53 amMDW-SJO

6h 53m1 stop

1:18 pm - 9:44 pmSJO-MDW

7h 26m1 stop

$484Delta

Find Deal

Thu, Sep 25 - Tue, Sep 30

Useful Info

Low season	September
High season	December
Cheapest flight	$127

Best time to beat the crowds with an average 14% drop in price.

Most popular time to fly with an average 46% increase in price.

Flight from Chicago O'Hare Airport 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.

Heredia

Santa Elena

San Gerardo de Dota

Esterillos Este

Everything you need to know for your flight to San José

Airports

Cabin class

Complete your trip

Direct Flights

Flights to other cities

Origins

Other airports

Return flight deals

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

San José (SJO)

SJO

$127 Find Cheap Flights from Illinois to San José

KAYAK searches hundreds of travel sites at once for deals on flights to San José

Cheap Flight Deals from Illinois to San José

Recent round-trip flight deals from Illinois to San José

Recent one-way flight deals from Illinois to San José

Recent last minute flight deals from Illinois to San José

Recent direct flight deals from Illinois to San José

Good to know

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?

Everything you need to know for your flight to San José

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

Cabin class types available on flights to Illinois

Complete your trip to San José with a hotel stay or car rental

Find direct flights for San José

Flights to other popular destinations

Flights from domestic origins to San José

Choose which airport to fly into in San José

Find deals for your return flight