SJC

$81 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 1/29. 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
$183
Overall average: $336
Frontier
Thu 2/5Mon 2/9
STL - SJC • 1 stop
Cheapest non-stop
$380
Typical prices: $429-$1,130
Southwest
Fri 2/13Tue 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

Thu, Feb 5 - Mon, Feb 9
Frontier Logo
10:01 pm - 8:40 am
STL
-
SJC
12h 39m1 stop
Frontier Logo
10:37 am - 8:50 pm
SJC
-
STL
8h 13m1 stop
$183Frontier
Thu, Jan 29 - Sun, Feb 1
Frontier Logo
10:01 pm - 8:40 am
STL
-
SJC
12h 39m1 stop
Frontier Logo
1:04 pm - 8:37 pm
SJC
-
STL
5h 33m1 stop
$238Frontier
Mon, Jan 12 - Thu, Jan 15
Multiple Airlines Logo
9:00 am - 2:21 pm
ORD
-
SJC
7h 21m1 stop
Multiple Airlines Logo
11:14 am - 9:11 pm
SJC
-
ORD
7h 57m1 stop
$240Multiple Airlines
Sat, Jan 17 - Tue, Jan 20
Alaska Airlines Logo
3:44 pm - 10:35 pm
ORD
-
SJC
8h 51m1 stop
Alaska Airlines Logo
12:46 pm - 11:37 pm
SJC
-
ORD
8h 51m1 stop
$242Alaska Airlines
Mon, Jan 12 - Thu, Jan 15
Multiple Airlines Logo
3:44 pm - 10:35 pm
ORD
-
SJC
8h 51m1 stop
Multiple Airlines Logo
11:14 am - 9:11 pm
SJC
-
ORD
7h 57m1 stop
$245Multiple Airlines
Fri, Jan 30 - Fri, Feb 6
Multiple Airlines Logo
3:22 pm - 12:09 pm
ORD
-
SJC
46h 47m2 stops
Multiple Airlines Logo
9:35 am - 8:29 pm
SJC
-
ORD
8h 54m1 stop
$250Multiple Airlines
Mon, Jan 12 - Tue, Jan 13
Alaska Airlines Logo
3:44 pm - 12:09 pm
ORD
-
SJC
22h 25m1 stop
Alaska Airlines Logo
5:45 pm - 2:29 pm
SJC
-
ORD
18h 44m1 stop
$252Alaska Airlines
Wed, Jan 14 - Fri, Feb 27
Hawaiian Airlines Logo
9:00 am - 6:45 pm
ORD
-
SJC
11h 45m1 stop
Hawaiian Airlines Logo
8:05 pm - 11:59 pm
SJC
-
ORD
25h 54m1 stop
$258Hawaiian Airlines
Wed, Feb 18 - Fri, Feb 20
Delta Logo
6:10 am - 5:38 pm
STL
-
SJC
13h 28m2 stops
Delta Logo
11:45 am - 11:23 pm
SJC
-
STL
9h 38m2 stops
$274Delta
Wed, Jan 14 - Wed, Jan 21
Delta Logo
9:32 am - 5:40 pm
MDW
-
SJC
10h 08m2 stops
Delta Logo
6:25 pm - 9:53 am
SJC
-
MDW
13h 28m2 stops
$314Delta
Useful Info

Good to know

Low seasonSeptember
Cheapest flight$81
Best time to beat the crowds with an average 11% drop in price.
Most popular time to fly with an average 14% 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)