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

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 Jose. 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 Jose?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to San Jose 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 Jose?

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 Jose 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 Jose?

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 Jose 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>

$69 CHEAP FLIGHTS from Illinois to San Jose

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Cheap Flights from Illinois to San Jose

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Illinois to San Jose 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.

Round-trip

One-way

Last minute

Direct

Recent round-trip flight deals from Illinois to San Jose

Thu, Jul 10 - Tue, Jul 22

5:40 am - 11:22 amORD-SJC

7h 42m1 stop

6:30 am - 2:13 pmSJC-ORD

5h 43m1 stop

$163

Find Deal

Thu, Aug 7 - Sun, Aug 17

5:40 am - 11:22 amORD-SJC

7h 42m1 stop

12:18 pm - 12:32 amSJC-ORD

10h 14m1 stop

$171Frontier

Find Deal

Wed, Aug 13 - Wed, Aug 20

6:21 pm - 10:30 pmORD-SJC

6h 09m1 stop

4:41 pm - 4:50 amSJC-ORD

10h 09m1 stop

$172Spirit Airlines

Find Deal

Tue, Jul 29 - Tue, Aug 5

3:18 pm - 11:54 pmORD-SJC

10h 36m1 stop

6:30 am - 2:13 pmSJC-ORD

5h 43m1 stop

$174Spirit Airlines

Find Deal

Sat, Jul 26 - Sat, Aug 2

4:44 pm - 9:27 pmPIA-SJC

6h 43m1 stop

7:09 pm - 9:40 amSJC-PIA

12h 31m2 stops

$294American Airlines

Find Deal

Wed, Oct 1 - Tue, Oct 7

4:59 pm - 10:50 pmMLI-SJC

7h 51m1 stop

9:05 am - 10:30 pmSJC-MLI

11h 25m2 stops

$294Delta

Find Deal

Tue, Aug 12 - Tue, Aug 19

1:43 pm - 8:35 pmMDW-SJC

8h 52m1 stop

10:25 pm - 8:35 amSJC-MDW

8h 10m1 stop

$295Delta

Find Deal

Wed, Jul 30 - Wed, Aug 13

4:41 pm - 10:59 pmPIA-SJC

8h 18m2 stops

9:49 am - 9:55 pmSJC-PIA

10h 06m2 stops

$299American Airlines

Find Deal

Wed, Jul 30 - Wed, Aug 13

3:39 pm - 10:35 pmPIA-SJC

8h 56m1 stop

6:20 am - 4:43 pmSJC-PIA

8h 23m1 stop

$305United Airlines

Find Deal

Wed, Jul 30 - Wed, Aug 13

3:39 pm - 10:35 pmPIA-SJC

8h 56m1 stop

6:20 am - 4:43 pmSJC-PIA

8h 23m1 stop

$313United Airlines

Find Deal

Useful Info

Low season	January
High season	July
Cheapest flight	$69

Best time to beat the crowds with an average 8% drop in price.

Most popular time to fly and prices are also 1% lower on average.

Flight from Chicago O'Hare Airport to San Jose

How does KAYAK find such low prices on flights from Illinois to San Jose?
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 Jose.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Illinois to San Jose?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to San Jose 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 Jose?
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 Jose 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 Jose?
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 Jose from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight to San Jose

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 Jose

San Jose (SJC)

Not what you’re looking for? Find thousands of other hotels, flights, car rentals and package deals with KAYAK.

SJC

$69 Find Cheap Flights from Illinois to San Jose

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

Cheap Flights from Illinois to San Jose

Recent round-trip flight deals from Illinois to San Jose

Recent one-way flight deals from Illinois to San Jose

Recent last minute flight deals from Illinois to San Jose

Recent direct flight deals from Illinois to San Jose

Good to know

FAQs for booking flights from Illinois to San Jose

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

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 Jose.

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

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to San Jose 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 Jose?

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 Jose 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 Jose?

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 Jose from Illinois up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight to San Jose

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

Cabin class types available on flights to Illinois

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

Find direct flights for San Jose

Flights to other popular destinations

Flights from domestic origins to San Jose

Choose which airport to fly into in San Jose

Find deals for your return flight