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>

$92 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

Wed, May 6 - Mon, May 11

6:51 pm - 1:17 pm

STL

SJC

20h 26m

1 stop

2:12 pm - 6:06 pm

SJC

STL

25h 54m

1 stop

$171Frontier

Wed, May 6 - Mon, May 11

6:51 pm - 1:17 pm

STL

SJC

20h 26m

1 stop

2:12 pm - 6:06 pm

SJC

STL

25h 54m

1 stop

$196Frontier

Thu, May 14 - Sat, May 16

8:25 pm - 11:00 pm

MDW

SJC

4h 35mnonstop

6:00 pm - 4:35 am

SJC

MDW

8h 35m

1 stop

$275Southwest

Thu, Jun 4 - Sat, Jun 6

7:45 pm - 10:30 pm

ORD

SJC

4h 45mnonstop

2:45 pm - 12:44 am

SJC

ORD

7h 59m

1 stop

$275United Airlines

Sat, Apr 25 - Tue, Apr 28

6:00 am - 12:21 pm

MDW

SJC

8h 21m

1 stop

6:00 pm - 8:47 am

SJC

MDW

12h 47m

2 stops

$276Delta

Thu, Apr 30 - Wed, May 6

7:15 am - 3:00 pm

ORD

SJC

9h 45m

1 stop

10:10 am - 9:45 pm

SJC

ORD

9h 35m

2 stops

$276Delta

Sat, May 2 - Tue, May 5

10:00 am - 2:25 pm

MDW

SJC

6h 25m

1 stop

10:55 pm - 5:00 am

SJC

MDW

4h 05mnonstop

$277Southwest

Wed, May 27 - Sat, May 30

8:46 pm - 11:59 am

ORD

SJC

17h 13m

1 stop

12:57 pm - 5:59 am

SJC

ORD

15h 02m

1 stop

$278Multiple Airlines

Wed, Apr 22 - Sun, Apr 26

3:20 pm - 10:41 pm

MLI

SJC

9h 21m

1 stop

6:30 am - 5:06 pm

SJC

MLI

8h 36m

1 stop

$439United Airlines

Thu, May 14 - Sun, May 17

12:18 pm - 11:59 am

PIA

SJC

25h 41m

2 stops

2:12 pm - 12:43 pm

SJC

PIA

20h 31m

1 stop

$443Multiple Airlines

Useful Info

Low season	January
High season	May
Cheapest flight	$92

Best time to beat the crowds but there is an average 14% increase in price.

Most popular time to fly and prices are also 6% 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

$92 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