SJC

$86 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 6/4. 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

Wed, May 6 - Tue, May 12
Delta Logo
7:00 am - 5:52 pm
STL
-
SJC
12h 52m
2 stops
Delta Logo
8:45 pm - 8:46 am
SJC
-
STL
10h 01m
2 stops
$258Delta
Tue, Jun 2 - Tue, Jun 9
Frontier Logo
6:40 pm - 5:02 pm
STL
-
SJC
24h 22m
1 stop
Frontier Logo
5:57 pm - 5:45 pm
SJC
-
STL
21h 48m
1 stop
$291Frontier
Wed, May 6 - Tue, May 12
Southwest Logo
1:45 pm - 6:15 pm
STL
-
SJC
6h 30m
1 stop
Southwest Logo
11:40 am - 8:10 pm
SJC
-
STL
6h 30m
1 stop
$312Southwest
Wed, May 6 - Tue, May 12
United Airlines Logo
8:46 am - 1:28 pm
STL
-
SJC
6h 42m
1 stop
United Airlines Logo
12:56 pm - 10:30 pm
SJC
-
STL
7h 34m
1 stop
$317United Airlines
Wed, May 6 - Tue, May 12
Southwest Logo
1:45 pm - 6:15 pm
STL
-
SJC
6h 30m
1 stop
Southwest Logo
11:25 am - 9:45 pm
SJC
-
STL
8h 20m
2 stops
$318Southwest
Wed, May 6 - Tue, May 12
United Airlines Logo
2:35 pm - 9:32 pm
STL
-
SJC
8h 57m
1 stop
United Airlines Logo
6:30 am - 10:30 pm
SJC
-
STL
14h 00m
2 stops
$322United Airlines
Sat, May 30 - Tue, Jun 16
Alaska Airlines Logo
9:00 am - 2:13 pm
ORD
-
SJC
7h 13m
1 stop
Alaska Airlines Logo
7:11 am - 7:00 pm
SJC
-
ORD
9h 49m
1 stop
$331Alaska Airlines
Tue, Mar 31 - Thu, Apr 2
Alaska Airlines Logo
6:00 am - 1:35 pm
ORD
-
SJC
9h 35m
1 stop
Alaska Airlines Logo
2:35 pm - 11:59 pm
SJC
-
ORD
7h 24m
1 stop
$334Alaska Airlines
Sat, Apr 4 - Tue, Apr 7
Multiple Airlines Logo
7:45 pm - 11:01 am
ORD
-
SJC
17h 16m
1 stop
Multiple Airlines Logo
5:35 pm - 2:21 pm
SJC
-
ORD
18h 46m
1 stop
$335Multiple Airlines
Thu, Jun 11 - Wed, Jun 17
Multiple Airlines Logo
1:47 pm - 1:42 pm
MLI
-
SJC
25h 55m
2 stops
Multiple Airlines Logo
5:57 pm - 11:39 am
SJC
-
MLI
15h 42m
1 stop
$478Multiple Airlines
Useful Info

Good to know

Low seasonJanuary
Cheapest flight$86
Best time to beat the crowds but there is an average 17% increase in price.
Most popular time to fly and prices are also 9% lower on average.
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)