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>

$86 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, Jun 13 - Sat, Jun 20

7:12 am - 1:17 pm

ORD

SJC

8h 05m

1 stop

8:25 pm - 6:19 am

SJC

ORD

7h 54m

1 stop

$272Frontier

Sat, May 9 - Mon, May 11

2:40 pm - 7:50 pm

MDW

SJC

7h 10m

1 stop

10:55 pm - 5:00 am

SJC

MDW

4h 05mnonstop

$275Southwest

Thu, May 7 - Sat, May 16

7:50 pm - 10:46 pm

ORD

SJC

4h 56mnonstop

2:33 pm - 10:58 pm

SJC

ORD

6h 25m

1 stop

$275United Airlines

Sat, May 23 - Wed, May 27

1:59 pm - 8:38 pm

MDW

SJC

8h 39m

1 stop

8:05 pm - 8:42 am

SJC

MDW

10h 37m

2 stops

$276Delta

Wed, May 20 - Wed, May 27

9:00 am - 2:13 pm

ORD

SJC

7h 13m

1 stop

5:09 pm - 1:14 pm

SJC

ORD

18h 05m

1 stop

$280Alaska Airlines

Wed, May 13 - Sat, May 16

6:23 am - 2:09 pm

MDW

SJC

9h 46m

2 stops

6:00 am - 5:56 pm

SJC

MDW

9h 56m

2 stops

$281Delta

Wed, May 6 - Thu, May 7

8:50 am - 2:08 pm

ORD

SJC

7h 18m

1 stop

12:44 pm - 11:43 pm

SJC

ORD

8h 59m

1 stop

$286Alaska Airlines

Sat, May 2 - Wed, May 6

3:48 pm - 9:59 pm

MLI

SJC

8h 11m

1 stop

12:46 pm - 11:29 pm

SJC

MLI

8h 43m

2 stops

$424American Airlines

Sat, May 2 - Wed, May 6

12:04 pm - 10:59 pm

MLI

SJC

12h 55m

2 stops

12:46 pm - 11:29 pm

SJC

MLI

8h 43m

2 stops

$429American Airlines

Sat, Aug 15 - Sat, Aug 22

5:45 am - 11:25 am

CMI

SJC

7h 40m

1 stop

6:30 am - 5:28 pm

SJC

CMI

8h 58m

1 stop

$433United Airlines

Useful Info

Low season	January
High season	May
Cheapest flight	$86

Best time to beat the crowds but there is an average 10% increase in price.

Most popular time to fly and prices are also 7% lower on average.

Flight from St. Louis 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

$86 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