SJC

$64 Find Cheap Flights from Illinois to San Jose

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to San Jose departing on 11/17. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy, 0 bags

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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.

Recent round-trip flight deals from Illinois to San Jose

Sun, Jan 18 - Thu, Jan 22
Frontier Logo
1:07 pm - 5:56 pmSTL-SJC
6h 49m1 stop
Frontier Logo
4:24 pm - 4:49 pmSJC-STL
22h 25m1 stop
$226Frontier
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Mon, Jan 26 - Tue, Feb 10
Alaska Airlines Logo
9:00 am - 12:09 pmORD-SJC
29h 09m1 stop
Alaska Airlines Logo
5:45 pm - 2:29 pmSJC-ORD
18h 44m1 stop
$232Alaska Airlines
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Thu, Dec 11 - Sun, Jan 18
Multiple Airlines Logo
9:06 pm - 2:32 pmORD-SJC
19h 26m1 stop
Multiple Airlines Logo
11:37 am - 10:58 amSJC-ORD
21h 21m2 stops
$235Multiple Airlines
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Wed, Dec 17 - Thu, Dec 18
Alaska Airlines Logo
8:55 am - 2:32 pmORD-SJC
7h 37m1 stop
Alaska Airlines Logo
7:00 am - 8:02 pmSJC-ORD
11h 02m1 stop
$240Alaska Airlines
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Sun, Dec 7 - Tue, Dec 16
Hawaiian Airlines Logo
3:05 pm - 9:51 amORD-SJC
20h 46m1 stop
Hawaiian Airlines Logo
12:35 pm - 11:50 pmSJC-ORD
9h 15m1 stop
$251Hawaiian Airlines
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Wed, Dec 17 - Sat, Jan 10
Delta Logo
7:50 am - 3:54 pmORD-SJC
10h 04m1 stop
Delta Logo
11:40 am - 11:53 pmSJC-ORD
10h 13m1 stop
$263Delta
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Wed, Dec 3 - Sat, Dec 6
Delta Logo
7:50 am - 3:54 pmORD-SJC
10h 04m1 stop
Delta Logo
9:50 am - 11:59 pmSJC-ORD
12h 09m2 stops
$268Delta
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Sat, Feb 28 - Wed, Mar 4
Hawaiian Airlines Logo
2:55 pm - 10:03 pmSTL-SJC
9h 08m1 stop
Hawaiian Airlines Logo
1:00 pm - 11:56 pmSJC-STL
8h 56m1 stop
$302Hawaiian Airlines
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Wed, Dec 3 - Wed, Dec 10
United Airlines Logo
1:35 pm - 5:51 pmSTL-SJC
6h 16m1 stop
United Airlines Logo
8:45 am - 4:28 pmSJC-STL
5h 43m1 stop
$319United Airlines
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Thu, Apr 16 - Sun, Apr 19
United Airlines Logo
8:50 am - 1:26 pmMLI-SJC
6h 36m1 stop
United Airlines Logo
6:40 am - 3:05 pmSJC-MLI
6h 25m1 stop
$486United Airlines
Find Deal

Everything you should know

Cheapest round-trip
$226
Overall average: $378
Frontier
Sun 1/18Thu 1/22
STL - SJC • 1 stop
Cheapest non-stop
$377
Typical prices: $578-$739
Southwest
Sun 12/7Tue 12/16
MDW - SJC • Non-stop
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KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to San Jose!
Useful Info

Good to know

Low seasonSeptember
Cheapest flight$64
Best time to beat the crowds with an average 9% drop in price.
Most popular time to fly with an average 3% increase in price.
Flight from Chicago O'Hare Airport to San Jose

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

San Jose (SJC)

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