Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Illinois to San Jose from $91

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to San Jose departing on 2/19. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Illinois to San Jose

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
8:49 pm - 6:14 pm
ORD
-
SJC
23h 25m1 stop
Frontier Logo
11:14 am - 9:11 pm
SJC
-
ORD
7h 57m1 stop
$217Frontier
dom., ene. 11 - jue., ene. 15
Frontier Logo
5:11 am - 6:07 pm
ORD
-
SJC
14h 56m2 stops
Frontier Logo
8:20 pm - 6:08 am
SJC
-
ORD
7h 48m1 stop
$252Frontier
jue., mar. 26 - lun., mar. 30
Alaska Airlines Logo
8:20 am - 5:33 pm
ORD
-
SJC
11h 13m1 stop
Alaska Airlines Logo
10:24 am - 11:59 pm
SJC
-
ORD
11h 35m1 stop
$261Alaska Airlines
mié., feb. 18 - sáb., feb. 21
Alaska Airlines Logo
3:44 pm - 9:50 am
ORD
-
SJC
20h 06m1 stop
Alaska Airlines Logo
12:46 pm - 11:37 pm
SJC
-
ORD
8h 51m1 stop
$262Alaska Airlines
mar., ene. 20 - mar., ene. 27
Hawaiian Airlines Logo
8:00 am - 2:42 pm
ORD
-
SJC
8h 42m1 stop
Hawaiian Airlines Logo
11:00 am - 11:50 pm
SJC
-
ORD
10h 50m1 stop
$271Hawaiian Airlines
vie., ene. 23 - vie., ene. 30
Alaska Airlines Logo
3:44 pm - 5:34 pm
ORD
-
SJC
27h 50m1 stop
Alaska Airlines Logo
6:15 am - 5:10 pm
SJC
-
ORD
8h 55m1 stop
$272Alaska Airlines
mar., ene. 20 - dom., ene. 25
Delta Logo
7:00 am - 5:38 pm
STL
-
SJC
12h 38m2 stops
Delta Logo
7:15 am - 9:38 pm
SJC
-
STL
12h 23m2 stops
$274Delta
mar., feb. 17 - sáb., feb. 21
Delta Logo
5:50 am - 12:13 pm
MLI
-
SJC
8h 23m1 stop
Delta Logo
10:45 pm - 10:26 am
SJC
-
MLI
9h 41m1 stop
$309Delta
mié., abr. 29 - mar., may. 5
American Airlines Logo
7:39 am - 6:34 pm
PIA
-
SJC
12h 55m2 stops
American Airlines Logo
6:00 am - 3:50 pm
SJC
-
PIA
7h 50m1 stop
$314American Airlines
sáb., ene. 24 - sáb., ene. 31
American Airlines Logo
7:39 am - 6:34 pm
PIA
-
SJC
12h 55m2 stops
American Airlines Logo
9:55 am - 9:43 pm
SJC
-
PIA
9h 48m2 stops
$319American Airlines
sáb., ene. 24 - sáb., ene. 31

Alaska Airlines flights from Illinois to San Jose, California

Our best Alaska Airlines deals on Illinois to San Jose, California flight tickets
Alaska Airlines
Jan 30
ORD8:00 amChicago O'Hare Intl
8h 42m
1 stop
SJC2:42 pmSan Jose
Feb 1
SJC9:05 amSan Jose
12h 45m
1 stop
ORD11:50 pmChicago O'Hare Intl
$252
Find similar
Alaska Airlines
Jan 27
ORD6:06 pmChicago O'Hare Intl
17h 42m
1 stop
SJC9:48 amSan Jose
Feb 4
SJC12:46 pmSan Jose
8h 51m
1 stop
ORD11:37 pmChicago O'Hare Intl
$257
Find similar
Alaska Airlines
Feb 18
ORD8:20 amChicago O'Hare Intl
11h 13m
1 stop
SJC5:33 pmSan Jose
Feb 21
SJC2:53 pmSan Jose
7h 06m
1 stop
ORD11:59 pmChicago O'Hare Intl
$261
Find similar

Southwest flights from Illinois to San Jose, California

Our best Southwest deals on Illinois to San Jose, California flight tickets
Southwest
Mar 21
STL7:30 pmLambert-St Louis
6h 00m
1 stop
SJC11:30 pmSan Jose
Mar 28
SJC6:15 pmSan Jose
5h 40m
1 stop
STL1:55 amLambert-St Louis
$370
Find similar
Southwest
Feb 13
MDW8:00 amChicago Midway
4h 50m
SJC10:50 amSan Jose
Feb 17
SJC6:30 amSan Jose
4h 10m
MDW12:40 pmChicago Midway
$377
Find similar
Southwest
Feb 27
MDW8:00 amChicago Midway
4h 50m
SJC10:50 amSan Jose
Mar 3
SJC8:40 amSan Jose
5h 55m
1 stop
MDW4:35 pmChicago Midway
$383
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Illinois to San Jose, California that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated diciembre 28, 2025.
Use the filters below to find and compare flights from Illinois to San Jose, California that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

ChicagoSan Jose

ORD - SJC

ORDSJC

Chicago O'Hare Intl

dom. 1/11

8:49 pm-6:14 pm

1 stop23h 25m

San Jose

jue. 1/15

11:14 am-9:11 pm

1 stop7h 57m

$217

ChicagoSan Jose

ORD - SJC

ORDSJC

Chicago O'Hare Intl

jue. 3/26

5:11 am-6:07 pm

2 stops14h 56m

San Jose

lun. 3/30

8:20 pm-6:08 am

1 stop7h 48m

$252

ChicagoSan Jose

ORD - SJC

ORDSJC

Chicago O'Hare Intl

mié. 2/18

8:20 am-5:33 pm

1 stop11h 13m

San Jose

sáb. 2/21

10:24 am-11:59 pm

1 stop11h 35m

$261

ChicagoSan Jose

ORD - SJC

ORDSJC

Chicago O'Hare Intl

mar. 1/20

3:44 pm-9:50 am

1 stop20h 06m

San Jose

mar. 1/27

12:46 pm-11:37 pm

1 stop8h 51m

$262

ChicagoSan Jose

ORD - SJC

ORDSJC

Chicago O'Hare Intl

vie. 1/23

8:00 am-2:42 pm

1 stop8h 42m

San Jose

vie. 1/30

11:00 am-11:50 pm

1 stop10h 50m

$271

ChicagoSan Jose

ORD - SJC

ORDSJC

Chicago O'Hare Intl

mar. 1/20

3:44 pm-5:34 pm

1 stop27h 50m

San Jose

dom. 1/25

6:15 am-5:10 pm

1 stop8h 55m

$272

St. LouisSan Jose

STL - SJC

STLSJC

Lambert-St Louis

mar. 2/17

7:00 am-5:38 pm

2 stops12h 38m

San Jose

sáb. 2/21

7:15 am-9:38 pm

2 stops12h 23m

$274

MolineSan Jose

MLI - SJC

MLISJC

Moline Quad-City

mié. 4/29

5:50 am-12:13 pm

1 stop8h 23m

San Jose

mar. 5/5

10:45 pm-10:26 am

1 stop9h 41m

$309

PeoriaSan Jose

PIA - SJC

PIASJC

Greater Peoria

sáb. 1/24

7:39 am-6:34 pm

2 stops12h 55m

San Jose

sáb. 1/31

6:00 am-3:50 pm

1 stop7h 50m

$314

PeoriaSan Jose

PIA - SJC

PIASJC

Greater Peoria

sáb. 1/24

7:39 am-6:34 pm

2 stops12h 55m

San Jose

sáb. 1/31

9:55 am-9:43 pm

2 stops9h 48m

$319

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to San Jose from

How to get the cheapest flight ticket from Illinois to San Jose, California

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to San Jose, California?

The month of February is, on average, the cheapest month to fly to San Jose, California from Illinois, with most prices found around $364. If you are unable to visit San Jose, California during the month of February, then departing from Illinois during the month October is also very affordable. Most momondo users find prices during this month for around $380.

What is the cheapest day to depart on your flight to San Jose, California?

On average, the least expensive day to fly to San Jose, California from Illinois is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $440. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Illinois to San Jose, California for around $653.

What is the cheapest time of day to depart on your flight to San Jose, California?

The cheapest time of day to fly to San Jose, California is in the afternoon when flights can be purchased for as low as $432. In the morning is when there is more demand to fly to San Jose, California, so prices are often more expensive at around $503 per ticket.

What is the cheapest Illinois to San Jose flight route?

Fly from Chicago O'Hare Intl to San Jose for the best Illinois - San Jose flight prices

How far in advance should I book a flight to San Jose, California?

You are more likely to see cheaper flights to San Jose, California from Illinois when booking weeks ahead of your departure date. In general, you can expect to find flights to San Jose, California for around $429 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Jose, California from Illinois for as low as $338 on momondo.

What cabin class options are available on Illinois to San Jose flights?

There are 4 cabin classes available to choose from on Illinois to San Jose flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Illinois to San Jose, California flights?

You could potentially save up to 29% on your flight if you consider stops on a Illinois to San Jose, California flight.

Cheap Illinois to San Jose, California flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Illinois to San Jose, California

Best Price Found

$267

Fastest flight time

4h 35m

Direct flights

Every day

Airports in San Jose, California

1 airport
The best one-way flight to San Jose, California from Illinois in the past 72 hours is $267. The best round-trip flight deal from Illinois to San Jose, California found on momondo in the last 72 hours is $468.
The fastest flight from Illinois to San Jose, California takes 4h 35m
Direct flights go from Illinois to San Jose, California every day.
There is 1 airport in San Jose, California. From Illinois there are direct flights to San Jose (SJC).
Search flight deals

  • When did momondo last update prices for flights from Illinois to San Jose Airport?

    Prices for flights from Illinois to San Jose Airport refresh daily.

  • How many operators does momondo search for flights from Illinois to San Jose Airport?

  • How old do you have to be to fly from Illinois to San Jose Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Illinois to San Jose Airport.

  • What documentation or ID do you need to fly to San Jose Airport?

    The required travel and health documents for your San Jose Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at San Jose Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • What is the most popular plane model from Illinois to San Jose, California?

Best airlines flying from Illinois to San Jose, California

Compare and see reviews for airlines that fly from Illinois to San Jose, California with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $80Free CancellationRating
5.8
3,070 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $133Free CancellationRating
6.3
8,212 reviews
Search Spirit Airlines flights
DeltaPriceFrom $189Free CancellationRating
7.9
8,022 reviews
Search Delta flights
Alaska AirlinesPriceFrom $262Free CancellationRating
8.0
11,549 reviews
Search Alaska Airlines flights
American AirlinesPriceFrom $288Free CancellationRating
7.2
11,070 reviews
Search American Airlines flights
United AirlinesPriceFrom $288Free CancellationRating
7.4
9,117 reviews
Search United Airlines flights
SouthwestPriceFrom $333Free CancellationRating
8.0
4,256 reviews
Search Southwest flights

Why use momondo?

Why should I use momondo to find a flight deal from Illinois to San Jose?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to San Jose from Illinois.

Can I find flights from Illinois to San Jose with flexible booking policies on momondo?

Flights from Illinois to San Jose with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Illinois to San Jose?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Illinois to San Jose.

I’m not ready to book a flight from Illinois to San Jose right now. Can momondo alert me if prices change?

If you are simply researching potential flights to San Jose, momondo offers a useful price alert feature which will track prices for flights to San Jose from Illinois and alert you when they change.

An easier way to manage your San Jose, California trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
mar. 1/27
mar. 2/3
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States