SJC

$65 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 1/12. 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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Everything you should know

Cheapest round-trip
$232
Overall average: $378
Multiple Airlines
Mon 1/12Wed 1/14
STL - SJC • 1 stop
Cheapest non-stop
$377
Typical prices: $429-$1,130
Southwest
Thu 2/12Tue 2/17
MDW - SJC • Non-stop
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We hope you love your trip to San Jose!
Flight Deals
Useful Info
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

Mon, Jan 12 - Wed, Jan 14
Multiple Airlines Logo
1:07 pm - 6:14 pmSTL-SJC
7h 07m1 stop
Multiple Airlines Logo
6:02 pm - 1:54 pmSJC-STL
17h 52m1 stop
$232Multiple Airlines
Find Deal
Thu, Dec 11 - Sat, Jan 17
Delta Logo
6:00 am - 3:54 pmSTL-SJC
11h 54m2 stops
Delta Logo
11:40 am - 11:25 pmSJC-STL
9h 45m2 stops
$254Delta
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Wed, Feb 18 - Wed, Feb 25
Alaska Airlines Logo
3:07 pm - 10:56 pmORD-SJC
9h 49m1 stop
Alaska Airlines Logo
12:45 pm - 11:59 pmSJC-ORD
9h 14m1 stop
$260Alaska Airlines
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Tue, Feb 24 - Wed, Feb 25
Alaska Airlines Logo
8:20 am - 2:13 pmORD-SJC
7h 53m1 stop
Alaska Airlines Logo
7:00 am - 11:59 pmSJC-ORD
14h 59m1 stop
$262Alaska Airlines
Find Deal
Mon, Jan 12 - Wed, Jan 14
Multiple Airlines Logo
1:07 pm - 6:14 pmSTL-SJC
7h 07m1 stop
Multiple Airlines Logo
1:59 pm - 1:54 pmSJC-STL
21h 55m2 stops
$262Multiple Airlines
Find Deal
Sat, Jan 24 - Sat, Jan 31
American Airlines Logo
7:38 am - 6:34 pmPIA-SJC
12h 56m2 stops
American Airlines Logo
6:00 am - 3:50 pmSJC-PIA
7h 50m1 stop
$294American Airlines
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Sat, Jan 24 - Sat, Jan 31
American Airlines Logo
7:38 am - 6:34 pmPIA-SJC
12h 56m2 stops
American Airlines Logo
6:00 am - 4:32 pmSJC-PIA
8h 32m2 stops
$299American Airlines
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Thu, Jan 15 - Thu, Jan 22
Frontier Logo
1:35 pm - 6:37 pmSTL-SJC
7h 02m1 stop
Frontier Logo
12:34 pm - 9:06 pmSJC-STL
6h 32m1 stop
$302Frontier
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Thu, Feb 12 - Tue, Feb 17
Southwest Logo
8:00 am - 10:50 amMDW-SJC
4h 50mnonstop
Southwest Logo
6:30 am - 12:40 pmSJC-MDW
4h 10mnonstop
$377Southwest
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Tue, Dec 9 - Thu, Dec 11
Southwest Logo
8:45 am - 11:30 amMDW-SJC
4h 45mnonstop
Southwest Logo
6:30 am - 12:40 pmSJC-MDW
4h 10mnonstop
$381Southwest
Find Deal
Useful Info

Good to know

Low seasonSeptember
Cheapest flight$65
Best time to beat the crowds with an average 11% drop in price.
Most popular time to fly with an average 4% increase in price.
Flight from St. Louis 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)