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>

$67 CHEAP FLIGHTS from Illinois to San Jose

SJC

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

...and more

Travelers love KAYAK

41,299,237 searches in the past 7 days on KAYAK

Save 24% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Bundle and saveSave money when you bundle your flight + hotel.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Cheapest round-trip

$203

Overall average: $369

Frontier

po 12/22út 12/30

STL - SJC • 1 stop

Cheapest non-stop

$377

Typical prices: $429-$1,130

Southwest

so 2/14út 2/17

MDW - SJC • Non-stop

Start a new search

KAYAK searches 100s of sites at once to find you the best travel deals.

We hope you love your trip to San Jose!

Flight Deals

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

po, prosinec 22 - út, prosinec 30

10:10 pm - 5:42 pmSTL-SJC

21h 32m1 stop

6:36 pm - 4:24 pmSJC-STL

19h 48m1 stop

$203Frontier

Find Deal

so, únor 14 - so, únor 21

8:20 am - 2:16 pmORD-SJC

7h 56m1 stop

12:45 pm - 11:59 pmSJC-ORD

9h 14m1 stop

$268Alaska Airlines

Find Deal

čt, leden 15 - út, leden 20

8:00 am - 5:08 pmORD-SJC

11h 08m1 stop

12:46 pm - 11:37 pmSJC-ORD

8h 51m1 stop

$270Alaska Airlines

Find Deal

ne, leden 11 - ne, leden 18

9:46 pm - 6:14 pmSTL-SJC

22h 28m1 stop

11:14 am - 12:40 pmSJC-STL

23h 26m1 stop

$271Frontier

Find Deal

st, leden 7 - so, leden 17

6:35 am - 5:40 pmSTL-SJC

13h 05m2 stops

11:40 am - 11:25 pmSJC-STL

9h 45m2 stops

$274Delta

Find Deal

pá, leden 16 - po, leden 19

7:30 am - 1:34 pmORD-SJC

8h 04m1 stop

11:40 am - 11:53 pmSJC-ORD

10h 13m1 stop

$283Delta

Find Deal

so, leden 24 - so, leden 31

7:39 am - 6:34 pmPIA-SJC

12h 55m2 stops

11:51 am - 9:43 pmSJC-PIA

7h 52m1 stop

$294American Airlines

Find Deal

so, leden 24 - so, leden 31

7:39 am - 6:34 pmPIA-SJC

12h 55m2 stops

6:00 am - 4:32 pmSJC-PIA

8h 32m2 stops

$299American Airlines

Find Deal

so, únor 14 - út, únor 17

8:05 am - 10:55 amMDW-SJC

4h 50mnonstop

6:30 am - 12:40 pmSJC-MDW

4h 10mnonstop

$377Southwest

Find Deal

pá, leden 16 - po, leden 19

8:05 am - 10:55 amMDW-SJC

4h 50mnonstop

6:30 am - 12:40 pmSJC-MDW

4h 10mnonstop

$387Southwest

Find Deal

Useful Info

Low season	September
High season	December
Cheapest flight	$67

Best time to beat the crowds with an average 10% drop 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

$67 Find Cheap Flights from Illinois to San Jose

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

Everything you should know

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