SJC

$137 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 7/24. 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

Thu, Aug 13 - Mon, Aug 17
Frontier Logo
7:10 pm - 1:17 pm
STL
-
SJC
20h 07m
1 stop
Frontier Logo
2:12 pm - 5:50 pm
SJC
-
STL
25h 38m
1 stop
$262Frontier
Sat, Aug 15 - Mon, Aug 24
Alaska Airlines Logo
5:59 pm - 11:55 pm
ORD
-
SJC
7h 56m
1 stop
Alaska Airlines Logo
10:12 am - 7:21 pm
SJC
-
ORD
7h 09m
1 stop
$269Alaska Airlines
Wed, Aug 12 - Mon, Aug 17
Frontier Logo
9:13 pm - 7:28 pm
ORD
-
SJC
24h 15m
1 stop
Frontier Logo
2:12 pm - 5:37 am
SJC
-
ORD
13h 25m
1 stop
$270Frontier
Wed, Aug 26 - Sun, Aug 30
Multiple Airlines Logo
2:18 pm - 7:09 pm
ORD
-
SJC
6h 51m
1 stop
Multiple Airlines Logo
8:14 pm - 5:59 am
SJC
-
ORD
7h 45m
1 stop
$273Multiple Airlines
Tue, Aug 18 - Tue, Aug 25
Southwest Logo
8:30 pm - 11:00 pm
MDW
-
SJC
4h 30mnonstop
Southwest Logo
11:00 pm - 5:00 am
SJC
-
MDW
4h 00mnonstop
$283Southwest
Sat, Aug 15 - Sat, Aug 22
United Airlines Logo
8:03 pm - 10:50 pm
ORD
-
SJC
4h 47mnonstop
United Airlines Logo
2:10 pm - 8:35 pm
SJC
-
ORD
4h 25mnonstop
$283United Airlines
Sat, Oct 3 - Tue, Oct 6
Southwest Logo
3:45 pm - 8:55 pm
MDW
-
SJC
7h 10m
1 stop
Southwest Logo
11:00 pm - 5:00 am
SJC
-
MDW
4h 00mnonstop
$293Southwest
Tue, Oct 20 - Mon, Oct 26
Delta Logo
6:00 am - 11:47 am
MDW
-
SJC
7h 47m
1 stop
Delta Logo
6:05 am - 4:39 pm
SJC
-
MDW
8h 34m
1 stop
$318Delta
Tue, Oct 20 - Sat, Oct 24
Delta Logo
6:00 am - 11:47 am
MLI
-
SJC
7h 47m
1 stop
Delta Logo
6:30 am - 4:22 pm
SJC
-
MLI
7h 52m
1 stop
$349Delta
Sat, Nov 14 - Tue, Nov 17
United Airlines Logo
6:30 am - 12:00 pm
CMI
-
SJC
7h 30m
1 stop
United Airlines Logo
6:30 am - 5:28 pm
SJC
-
CMI
8h 58m
1 stop
$438United Airlines
Useful Info

Good to know

Low seasonJanuary
Cheapest flight$137
Best time to beat the crowds but there is an average 5% increase in price.
Most popular time to fly with an average 11% 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)