SJC

$91 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 4/13. 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

KAYAK searches hundreds of travel sites at once for deals on flights to San Jose

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41 299 237 searches in the past 7 days on KAYAK

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Everything you should know

Cheapest round-trip
$180
Overall average: $378
Frontier
Thu 1/29Mon 2/2
STL - SJC • 1 stop
Cheapest non-stop
$349
Typical prices: $597-$827
Southwest
Sat 2/28Mon 3/2
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, Jan 29 - Mon, Feb 2
Frontier Logo
10:01 pm - 8:40 am
STL
-
SJC
12h 39m
1 stop
Frontier Logo
10:37 am - 8:50 pm
SJC
-
STL
8h 13m
1 stop
$180Frontier
Sun, Feb 8 - Thu, Feb 12
Frontier Logo
9:38 pm - 9:42 am
ORD
-
SJC
14h 04m
1 stop
Frontier Logo
10:34 am - 9:03 pm
SJC
-
ORD
8h 29m
1 stop
$190Frontier
Tue, Feb 3 - Thu, Feb 26
Multiple Airlines Logo
3:44 pm - 10:35 pm
ORD
-
SJC
8h 51m
1 stop
Multiple Airlines Logo
10:34 am - 5:26 pm
SJC
-
ORD
28h 52m
1 stop
$214Multiple Airlines
Sun, Feb 8 - Thu, Feb 12
Frontier Logo
9:38 pm - 9:42 am
ORD
-
SJC
14h 04m
1 stop
Frontier Logo
10:34 am - 5:26 pm
SJC
-
ORD
28h 52m
1 stop
$216Frontier
Sat, Mar 7 - Wed, Mar 11
Alaska Airlines Logo
3:07 pm - 10:56 pm
ORD
-
SJC
9h 49m
1 stop
Alaska Airlines Logo
2:36 pm - 11:56 pm
SJC
-
ORD
7h 20m
1 stop
$247Alaska Airlines
Thu, Mar 5 - Wed, Mar 11
Hawaiian Airlines Logo
5:29 pm - 9:22 am
ORD
-
SJC
17h 53m
1 stop
Hawaiian Airlines Logo
2:36 pm - 11:56 pm
SJC
-
ORD
7h 20m
1 stop
$251Hawaiian Airlines
Sat, Feb 14 - Sat, Feb 21
Hawaiian Airlines Logo
3:07 pm - 10:56 pm
ORD
-
SJC
9h 49m
1 stop
Hawaiian Airlines Logo
12:45 pm - 11:59 pm
SJC
-
ORD
9h 14m
1 stop
$252Hawaiian Airlines
Fri, Feb 27 - Mon, Mar 2
Delta Logo
7:00 am - 5:38 pm
STL
-
SJC
12h 38m
2 stops
Delta Logo
11:45 am - 12:25 am
SJC
-
STL
10h 40m
2 stops
$274Delta
Thu, Feb 5 - Tue, Feb 10
Multiple Airlines Logo
10:01 pm - 8:40 am
STL
-
SJC
12h 39m
1 stop
Multiple Airlines Logo
6:02 pm - 1:54 pm
SJC
-
STL
17h 52m
1 stop
$301Multiple Airlines
Wed, Feb 11 - Tue, Feb 17
Delta Logo
9:53 am - 5:40 pm
MDW
-
SJC
9h 47m
2 stops
Delta Logo
10:35 pm - 9:54 am
SJC
-
MDW
9h 19m
1 stop
$370Delta
Useful Info

Good to know

Low seasonSeptember
Cheapest flight$91
Best time to beat the crowds with an average 10% drop in price.
Most popular time to fly and prices are also 3% lower on average.
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)