SJC

$90 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 9/16. 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

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Flights 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

Sat, Aug 2 - Sat, Aug 9
Spirit Airlines Logo
7:49 pm - 11:54 pmORD-SJC
6h 05m1 stop
Spirit Airlines Logo
6:30 am - 2:13 pmSJC-ORD
5h 43m1 stop
$172Spirit Airlines
Find Deal
Sat, Jul 12 - Mon, Jul 14
Spirit Airlines Logo
7:49 pm - 11:54 pmORD-SJC
6h 05m1 stop
Spirit Airlines Logo
6:30 am - 2:13 pmSJC-ORD
5h 43m1 stop
$173Spirit Airlines
Find Deal
Thu, Jul 10 - Mon, Jul 14
 Logo
5:40 am - 11:22 amORD-SJC
7h 42m1 stop
 Logo
6:30 am - 2:13 pmSJC-ORD
5h 43m1 stop
Mon, Jun 30 - Thu, Jul 10
Frontier Logo
6:25 am - 1:23 pmMDW-SJC
8h 58m1 stop
Frontier Logo
12:18 pm - 8:54 pmSJC-MDW
6h 36m1 stop
$200Frontier
Find Deal
Thu, Jul 10 - Sun, Jul 13
Frontier Logo
5:40 am - 11:22 amORD-SJC
7h 42m1 stop
Frontier Logo
12:18 pm - 12:10 amSJC-ORD
9h 52m1 stop
$200Frontier
Find Deal
Thu, Jul 3 - Tue, Jul 8
 Logo
5:40 am - 11:18 amORD-SJC
7h 38m1 stop
 Logo
11:01 am - 6:03 amSJC-ORD
17h 02m1 stop
Wed, Oct 1 - Wed, Oct 8
Delta Logo
5:00 pm - 10:58 pmMLI-SJC
7h 58m1 stop
Delta Logo
12:35 pm - 10:30 pmSJC-MLI
7h 55m1 stop
$289Delta
Find Deal
Fri, Sep 19 - Mon, Sep 22
Alaska Airlines Logo
7:00 am - 7:00 pmORD-SJC
14h 00m2 stops
Alaska Airlines Logo
1:00 pm - 7:03 amSJC-ORD
16h 03m2 stops
$289Alaska Airlines
Find Deal
Wed, Oct 1 - Wed, Oct 8
Delta Logo
5:00 pm - 10:58 pmMLI-SJC
7h 58m1 stop
Delta Logo
7:00 am - 10:30 pmSJC-MLI
13h 30m2 stops
$294Delta
Find Deal
Fri, Aug 22 - Tue, Aug 26
Alaska Airlines Logo
7:00 am - 7:00 pmORD-SJC
14h 00m2 stops
Alaska Airlines Logo
8:00 am - 10:04 pmSJC-ORD
12h 04m2 stops
$310Alaska Airlines
Find Deal
Useful Info

Good to know

Low seasonJanuary
High seasonOctober
Cheapest flight$90
Best time to beat the crowds with an average 8% drop in price.
Most popular time to fly and prices are also 8% 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

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