SJC

$119 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 9/17. 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

Sat, Aug 22 - Sat, Aug 29
United Airlines Logo
9:00 am - 1:08 pm
STL
-
SJC
6h 08m
1 stop
United Airlines Logo
2:10 pm - 10:59 pm
SJC
-
STL
6h 49m
1 stop
$221United Airlines
Tue, Sep 1 - Tue, Sep 8
American Airlines Logo
10:16 am - 6:33 pm
STL
-
SJC
10h 17m
2 stops
American Airlines Logo
2:30 pm - 11:42 pm
SJC
-
STL
7h 12m
1 stop
$226American Airlines
Sat, Aug 22 - Sat, Aug 29
Southwest Logo
9:40 am - 4:40 pm
STL
-
SJC
9h 00m
2 stops
Southwest Logo
10:45 am - 8:20 pm
SJC
-
STL
7h 35m
1 stop
$228Southwest
Sat, Aug 15 - Sat, Aug 22
Southwest Logo
1:15 pm - 3:45 pm
MDW
-
SJC
4h 30mnonstop
Southwest Logo
11:00 pm - 5:00 am
SJC
-
MDW
4h 00mnonstop
$237Southwest
Thu, Aug 6 - Tue, Aug 11
Delta Logo
7:45 pm - 11:44 pm
STL
-
SJC
5h 59m
1 stop
Delta Logo
6:10 am - 3:10 pm
SJC
-
STL
7h 00m
1 stop
$237Delta
Thu, Sep 10 - Sun, Sep 13
Frontier Logo
12:46 pm - 1:29 pm
STL
-
SJC
26h 43m
1 stop
Frontier Logo
9:10 am - 11:51 am
SJC
-
STL
24h 41m
1 stop
$252Frontier
Sat, Aug 15 - Sat, Aug 22
Multiple Airlines Logo
7:29 am - 1:17 pm
ORD
-
SJC
7h 48m
1 stop
Multiple Airlines Logo
8:17 pm - 1:22 pm
SJC
-
ORD
15h 05m
1 stop
$254Multiple Airlines
Mon, Aug 17 - Mon, Aug 24
Frontier Logo
7:29 am - 1:17 pm
ORD
-
SJC
7h 48m
1 stop
Frontier Logo
8:14 pm - 6:17 am
SJC
-
ORD
8h 03m
1 stop
$260Frontier
Sat, Aug 15 - Sat, Aug 22
Delta Logo
6:11 am - 11:28 am
MDW
-
SJC
7h 17m
1 stop
Delta Logo
12:38 pm - 10:36 pm
SJC
-
MDW
7h 58m
1 stop
$275Delta
Wed, Aug 12 - Mon, Aug 17
Multiple Airlines Logo
2:20 pm - 7:11 pm
ORD
-
SJC
6h 51m
1 stop
Multiple Airlines Logo
2:12 pm - 5:37 am
SJC
-
ORD
13h 25m
1 stop
$276Multiple Airlines
Useful Info

Good to know

Low seasonJanuary
Cheapest flight$119
Best time to beat the crowds but there is an average 4% increase in price.
Most popular time to fly with an average 12% 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)