SJC

$108 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 9/13. 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

Sat, Sep 12 - Mon, Sep 21
Frontier Logo
12:17 pm - 12:43 pm
STL
-
SJC
26h 26m
1 stop
Frontier Logo
1:38 pm - 11:32 am
SJC
-
STL
19h 54m
1 stop
$255Frontier
Wed, Sep 30 - Mon, Oct 5
Frontier Logo
12:17 pm - 12:43 pm
STL
-
SJC
26h 26m
1 stop
Frontier Logo
1:38 pm - 11:32 am
SJC
-
STL
19h 54m
1 stop
$255Frontier
Thu, Sep 3 - Mon, Sep 7
United Airlines Logo
5:55 am - 1:08 pm
ORD
-
SJC
9h 13m
1 stop
United Airlines Logo
6:20 am - 12:45 pm
SJC
-
ORD
4h 25mnonstop
$270United Airlines
Thu, Sep 3 - Mon, Sep 7
United Airlines Logo
5:55 am - 1:08 pm
ORD
-
SJC
9h 13m
1 stop
United Airlines Logo
6:20 am - 12:45 pm
SJC
-
ORD
4h 25mnonstop
$270United Airlines
Tue, Sep 1 - Tue, Sep 8
Delta Logo
8:00 am - 8:13 pm
STL
-
SJC
14h 13m
2 stops
Delta Logo
8:53 pm - 10:23 am
SJC
-
STL
11h 30m
2 stops
$273Delta
Thu, Sep 24 - Mon, Sep 28
Alaska Airlines Logo
2:18 pm - 7:09 pm
ORD
-
SJC
6h 51m
1 stop
Alaska Airlines Logo
10:12 am - 7:21 pm
SJC
-
ORD
7h 09m
1 stop
$277Alaska Airlines
Thu, Dec 10 - Thu, Dec 31
Delta Logo
7:17 pm - 11:54 pm
ORD
-
SJC
6h 37m
1 stop
Delta Logo
11:44 am - 11:46 pm
SJC
-
ORD
10h 02m
1 stop
$288Delta
Wed, Dec 9 - Mon, Jan 4
Alaska Airlines Logo
9:20 am - 4:48 pm
ORD
-
SJC
9h 28m
1 stop
Alaska Airlines Logo
7:20 am - 6:54 pm
SJC
-
ORD
9h 34m
1 stop
$297Alaska Airlines
Thu, Sep 3 - Mon, Sep 7
Southwest Logo
6:15 am - 11:55 am
MDW
-
SJC
7h 40m
1 stop
Southwest Logo
6:30 am - 2:10 pm
SJC
-
MDW
5h 40m
1 stop
$297Southwest
Thu, Sep 3 - Mon, Sep 7
Southwest Logo
6:15 am - 11:55 am
MDW
-
SJC
7h 40m
1 stop
Southwest Logo
6:30 am - 2:10 pm
SJC
-
MDW
5h 40m
1 stop
$297Southwest
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Good to know

Low season

January

Cheapest flight

$108
Best time to beat the crowds but there is an average 9% increase in price.
Most popular time to fly with an average 9% 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)