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>

$112 CHEAP FLIGHTS from Illinois to San Jose

SJC

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

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Flight Deals

Cheap Flights from Illinois to San Jose

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

Sat, May 30 - Mon, Jun 8

6:30 pm - 7:36 am

STL

SJC

15h 06m

1 stop

2:12 pm - 5:05 pm

SJC

STL

24h 53m

1 stop

$238Frontier

Wed, Jun 24 - Mon, Jun 29

7:46 pm - 1:17 pm

STL

SJC

19h 31m

1 stop

2:12 pm - 6:51 pm

SJC

STL

26h 39m

1 stop

$239Frontier

Fri, Jun 26 - Mon, Jun 29

2:56 pm - 1:17 pm

STL

SJC

24h 21m

1 stop

2:12 pm - 6:51 pm

SJC

STL

26h 39m

1 stop

$260Frontier

Wed, Jul 1 - Tue, Jul 21

4:25 pm - 10:57 pm

MDW

SJC

8h 32m

1 stop

12:40 pm - 10:15 pm

SJC

MDW

7h 35m

1 stop

$277Delta

Wed, Jul 1 - Wed, Jul 8

6:30 am - 12:05 pm

ORD

SJC

7h 35m

1 stop

2:55 pm - 11:38 pm

SJC

ORD

6h 43m

1 stop

$277Delta

Sat, Jun 20 - Tue, Jun 30

7:20 am - 1:17 pm

ORD

SJC

7h 57m

1 stop

3:15 pm - 11:36 pm

SJC

ORD

6h 21m

1 stop

$279Multiple Airlines

Tue, Jun 2 - Tue, Jun 9

4:00 pm - 10:15 pm

MDW

SJC

8h 15m

2 stops

2:10 pm - 11:50 pm

SJC

MDW

7h 40m

1 stop

$282Southwest

Wed, Sep 2 - Tue, Sep 8

8:03 pm - 10:50 pm

ORD

SJC

4h 47mnonstop

6:30 am - 12:53 pm

SJC

ORD

4h 23mnonstop

$284United Airlines

Wed, Jul 1 - Wed, Jul 8

8:55 pm - 11:25 pm

MDW

SJC

4h 30mnonstop

10:55 pm - 5:00 am

SJC

MDW

4h 05mnonstop

$302Southwest

Sat, Aug 22 - Tue, Aug 25

5:31 pm - 10:41 pm

PIA

SJC

7h 10m

1 stop

2:09 pm - 12:22 am

SJC

PIA

8h 13m

1 stop

$449United Airlines

Useful Info

Low season	January
High season	May
Cheapest flight	$112

Best time to beat the crowds but there is an average 7% increase in price.

Most popular time to fly with an average 3% increase in price.

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)

SJC

$112 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