SJC

$102 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 9/2. 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, Oct 8 - Mon, Oct 12
Frontier Logo
5:19 pm - 1:29 pm
STL
-
SJC
22h 10m
1 stop
Frontier Logo
2:24 pm - 1:17 am
SJC
-
STL
8h 53m
1 stop
$250Frontier
Sat, Sep 19 - Sun, Sep 20
Frontier Logo
12:46 pm - 8:13 am
STL
-
SJC
21h 27m
1 stop
Frontier Logo
2:24 pm - 11:51 am
SJC
-
STL
19h 27m
1 stop
$251Frontier
Tue, Oct 20 - Mon, Oct 26
Delta Logo
1:00 pm - 9:25 pm
MDW
-
SJC
10h 25m
1 stop
Delta Logo
10:40 pm - 9:52 am
SJC
-
MDW
9h 12m
1 stop
$257Delta
Mon, Dec 14 - Wed, Jan 6
Delta Logo
2:55 pm - 9:47 pm
ORD
-
SJC
8h 52m
1 stop
Delta Logo
6:30 am - 2:57 pm
SJC
-
ORD
6h 27m
1 stop
$257Delta
Thu, Sep 10 - Tue, Sep 15
Southwest Logo
6:15 am - 10:30 am
MDW
-
SJC
6h 15m
1 stop
Southwest Logo
6:45 am - 4:00 pm
SJC
-
MDW
7h 15m
2 stops
$258Southwest
Thu, Sep 10 - Mon, Sep 14
Southwest Logo
10:25 am - 4:15 pm
MDW
-
SJC
7h 50m
2 stops
Southwest Logo
3:15 pm - 11:50 pm
SJC
-
MDW
6h 35m
1 stop
$262Southwest
Tue, Sep 1 - Tue, Sep 8
Alaska Airlines Logo
6:35 am - 7:09 pm
STL
-
SJC
14h 34m
2 stops
Alaska Airlines Logo
8:17 pm - 5:10 pm
SJC
-
STL
18h 53m
2 stops
$264Alaska Airlines
Sat, Aug 15 - Mon, Aug 17
Multiple Airlines Logo
7:29 am - 1:17 pm
ORD
-
SJC
7h 48m
1 stop
Multiple Airlines Logo
3:15 pm - 11:36 pm
SJC
-
ORD
6h 21m
1 stop
$269Multiple Airlines
Wed, Sep 16 - Thu, Sep 17
Multiple Airlines Logo
7:20 am - 1:30 pm
ORD
-
SJC
8h 10m
1 stop
Multiple Airlines Logo
2:24 pm - 5:42 am
SJC
-
ORD
13h 18m
1 stop
$273Multiple Airlines
Tue, Sep 1 - Tue, Sep 8
Alaska Airlines Logo
6:35 am - 7:09 pm
STL
-
SJC
14h 34m
2 stops
Alaska Airlines Logo
2:40 pm - 5:10 pm
SJC
-
STL
24h 30m
1 stop
$300Alaska Airlines
Useful Info

Good to know

Low season

January

Cheapest flight

$102
Best time to beat the crowds but there is an average 7% increase in price.
Most popular time to fly with an average 10% increase in price.
Flight from Chicago O'Hare Airport 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)