SJC

$114 Find Cheap Flights from Illinois to San Jose - Compare and Save

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 11/18. 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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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

Thu, Oct 22 - Fri, Oct 30
Frontier Logo
12:16 pm - 1:20 pmSTL  Lambert-St Louis-SJC San Jose
27h 04m1 stop Las Vegas Harry Reid Intl
Frontier Logo
2:24 pm - 10:39 pmSJC  San Jose-STL Lambert-St Louis
6h 15m1 stop Las Vegas Harry Reid Intl
$222Frontier
Sat, Sep 5 - Wed, Sep 9
American Airlines Logo
8:00 am - 11:57 amSTL  Lambert-St Louis-SJC San Jose
5h 57m1 stop Phoenix Sky Harbor Intl
American Airlines Logo
6:00 am - 2:44 pmSJC  San Jose-STL Lambert-St Louis
6h 44m1 stop Dallas/Fort Worth
$229American Airlines
Mon, Oct 26 - Wed, Oct 28
Southwest Logo
5:50 pm - 10:40 pmSTL  Lambert-St Louis-SJC San Jose
6h 50m1 stop Phoenix Sky Harbor Intl
Southwest Logo
1:45 pm - 11:10 pmSJC  San Jose-STL Lambert-St Louis
7h 25m1 stop Denver Intl
$229Southwest
Mon, Oct 26 - Wed, Oct 28
Southwest Logo
6:20 pm - 11:55 pmSTL  Lambert-St Louis-SJC San Jose
7h 35m1 stop Las Vegas Harry Reid Intl
Southwest Logo
1:05 pm - 11:10 pmSJC  San Jose-STL Lambert-St Louis
8h 05m2 stops San Diego Denver Intl
$234Southwest
Sat, Sep 5 - Wed, Sep 9
American Airlines Logo
10:16 am - 6:33 pmSTL  Lambert-St Louis-SJC San Jose
10h 17m2 stops Dallas/Fort Worth Phoenix Sky Harbor Intl
American Airlines Logo
6:00 am - 2:44 pmSJC  San Jose-STL Lambert-St Louis
6h 44m1 stop Dallas/Fort Worth
$234American Airlines
Wed, Sep 16 - Mon, Sep 21
Frontier Logo
8:10 pm - 7:53 pmSTL  Lambert-St Louis-SJC San Jose
25h 43m2 stops Denver Intl Los Angeles Los Angeles
Frontier Logo
1:38 pm - 11:32 amSJC  San Jose-STL Lambert-St Louis
19h 54m1 stop Las Vegas Harry Reid Intl
$236Frontier
Wed, Sep 30 - Tue, Oct 6
Delta Logo
2:25 pm - 6:24 pmSTL  Lambert-St Louis-SJC San Jose
5h 59m1 stop Salt Lake City
Delta Logo
6:00 am - 1:32 pmSJC  San Jose-STL Lambert-St Louis
5h 32m1 stop Salt Lake City
$237Delta
Sat, Sep 12 - Mon, Sep 14
Delta Logo
11:16 am - 5:46 pmSTL  Lambert-St Louis-SJC San Jose
8h 30m1 stop Minneapolis St Paul
Delta Logo
5:13 pm - 12:44 amSJC  San Jose-STL Lambert-St Louis
5h 31m1 stop Salt Lake City
$237Delta
Wed, Sep 16 - Tue, Sep 22
United Airlines Logo
5:55 am - 1:08 pmORD  Chicago O'Hare Intl-SJC San Jose
9h 13m1 stop Denver Intl
United Airlines Logo
2:10 pm - 8:35 pmSJC  San Jose-ORD Chicago O'Hare Intl
4h 25mnonstop
$247United Airlines
Thu, Sep 24 - Wed, Sep 30
United Airlines Logo
7:55 pm - 10:42 pmORD  Chicago O'Hare Intl-SJC San Jose
4h 47mnonstop
United Airlines Logo
1:00 pm - 11:59 pmSJC  San Jose-ORD Chicago O'Hare Intl
8h 59m1 stop Denver Intl
$272United Airlines
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Good to know

Low season

January

Cheapest flight

$114
Best time to beat the crowds but there is an average 7% increase in price.
Most popular time to fly with an average 13% 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)