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Cheap flights from San José, San José Province to Illinois from $107

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from San José, San José Province to Illinois departing on 10/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from San José, San José Province to Illinois

Cheap round-trip flights

Spirit Airlines Logo
12:19 pm - 10:48 pmSJO-ORD
9h 29m1 stop
Spirit Airlines Logo
5:05 am - 11:14 amORD-SJO
7h 09m1 stop
$179Spirit Airlines
Find Deal
Wed, Oct 1 - Sat, Oct 4
Spirit Airlines Logo
12:19 pm - 10:48 pmSJO-ORD
9h 29m1 stop
Spirit Airlines Logo
6:44 pm - 11:30 amORD-SJO
17h 46m1 stop
$180Spirit Airlines
Find Deal
Thu, Oct 2 - Sat, Oct 4
Southwest Logo
1:00 pm - 11:35 pmSJO-MDW
9h 35m1 stop
Southwest Logo
6:45 am - 12:40 pmMDW-SJO
6h 55m1 stop
$335Southwest
Find Deal
Wed, Oct 22 - Sun, Oct 26
Southwest Logo
9:00 am - 6:55 pmSJO-MDW
9h 55m1 stop
Southwest Logo
5:05 am - 1:15 pmMDW-SJO
8h 10m1 stop
$339Southwest
Find Deal
Thu, Nov 13 - Mon, Nov 17
Delta Logo
1:23 pm - 12:31 pmSJO-MDW
22h 08m2 stops
Delta Logo
6:00 am - 1:06 pmMDW-SJO
7h 06m1 stop
$341Delta
Find Deal
Fri, Oct 31 - Tue, Nov 11
United Airlines Logo
1:20 pm - 10:22 pmSJO-STL
8h 02m1 stop
United Airlines Logo
8:20 am - 11:25 amSTL-SJO
27h 05m1 stop
$347United Airlines
Find Deal
Thu, Oct 30 - Wed, Nov 5
American Airlines Logo
6:20 am - 9:40 pmSJO-STL
15h 20m1 stop
American Airlines Logo
5:24 am - 2:15 pmSTL-SJO
8h 51m1 stop
$356American Airlines
Find Deal
Thu, Feb 26 - Mon, Mar 2
United Airlines Logo
1:20 pm - 2:25 pmSJO-STL
24h 05m2 stops
United Airlines Logo
5:24 pm - 11:25 amSTL-SJO
18h 01m2 stops
$361United Airlines
Find Deal
Thu, Oct 30 - Tue, Nov 11
American Airlines Logo
2:39 pm - 10:39 amSJO-STL
20h 00m1 stop
American Airlines Logo
5:00 am - 12:31 pmSTL-SJO
7h 31m1 stop
$364American Airlines
Find Deal
Thu, Nov 20 - Sun, Nov 30
Delta Logo
1:23 pm - 10:14 pmSJO-MDW
7h 51m1 stop
Delta Logo
6:00 am - 1:06 pmMDW-SJO
7h 06m1 stop
$403Delta
Find Deal
Thu, Oct 30 - Mon, Nov 10

Spirit Airlines flights from San José, San José Province to Illinois

Our best Spirit Airlines deals on San José, San José Province to Illinois flight tickets
Spirit Airlines
Oct 1
SJO12:19 pmSan José Juan Santamaria Intl
9h 29m
1 stop
ORD10:48 pmChicago O'Hare Intl
Oct 4
ORD5:05 amChicago O'Hare Intl
7h 09m
1 stop
SJO11:14 amSan José Juan Santamaria Intl
$179
Find similar
Spirit Airlines
Oct 2
SJO12:19 pmSan José Juan Santamaria Intl
9h 29m
1 stop
ORD10:48 pmChicago O'Hare Intl
Oct 4
ORD6:44 pmChicago O'Hare Intl
17h 46m
1 stop
SJO11:30 amSan José Juan Santamaria Intl
$180
Find similar
Spirit Airlines
Oct 2
SJO12:19 pmSan José Juan Santamaria Intl
9h 29m
1 stop
ORD10:48 pmChicago O'Hare Intl
Oct 14
ORD5:05 amChicago O'Hare Intl
7h 25m
1 stop
SJO11:30 amSan José Juan Santamaria Intl
$184
Find similar

United Airlines flights from San José, San José Province to Illinois

Our best United Airlines deals on San José, San José Province to Illinois flight tickets
United Airlines
Oct 30
SJO1:20 pmSan José Juan Santamaria Intl
8h 02m
1 stop
STL10:22 pmLambert-St Louis
Nov 5
STL8:20 amLambert-St Louis
27h 05m
1 stop
SJO11:25 amSan José Juan Santamaria Intl
$347
Find similar
United Airlines
Oct 30
SJO1:20 pmSan José Juan Santamaria Intl
24h 05m
2 stops
STL2:25 pmLambert-St Louis
Nov 11
STL5:24 pmLambert-St Louis
18h 01m
2 stops
SJO11:25 amSan José Juan Santamaria Intl
$361
Find similar
United Airlines
Oct 27
SJO7:45 amSan José Juan Santamaria Intl
13h 37m
1 stop
STL10:22 pmLambert-St Louis
Nov 4
STL6:15 amLambert-St Louis
7h 00m
1 stop
SJO1:15 pmSan José Juan Santamaria Intl
$368
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from San José, San José Province to Illinois 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 September 19, 2025.
Use the filters below to find and compare flights from San José, San José Province to Illinois that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

San JoséChicago

SJO - ORD

SJOORD

San José Juan Santamaria Intl

Wed 10/1

12:19 pm-10:48 pm

1 stop9h 29m

Chicago O'Hare Intl

Sat 10/4

5:05 am-11:14 am

1 stop7h 09m

$179

San JoséChicago

SJO - ORD

SJOORD

San José Juan Santamaria Intl

Thu 10/2

12:19 pm-10:48 pm

1 stop9h 29m

Chicago O'Hare Intl

Sat 10/4

6:44 pm-11:30 am

1 stop17h 46m

$180

San JoséChicago

SJO - MDW

SJOMDW

San José Juan Santamaria Intl

Wed 10/22

1:00 pm-11:35 pm

1 stop9h 35m

Chicago Midway

Sun 10/26

6:45 am-12:40 pm

1 stop6h 55m

$335

San JoséChicago

SJO - MDW

SJOMDW

San José Juan Santamaria Intl

Thu 11/13

9:00 am-6:55 pm

1 stop9h 55m

Chicago Midway

Mon 11/17

5:05 am-1:15 pm

1 stop8h 10m

$339

San JoséChicago

SJO - MDW

SJOMDW

San José Juan Santamaria Intl

Fri 10/31

1:23 pm-12:31 pm

2 stops22h 08m

Chicago Midway

Tue 11/11

6:00 am-1:06 pm

1 stop7h 06m

$341

San JoséSt. Louis

SJO - STL

SJOSTL

San José Juan Santamaria Intl

Thu 10/30

1:20 pm-10:22 pm

1 stop8h 02m

Lambert-St Louis

Wed 11/5

8:20 am-11:25 am

1 stop27h 05m

$347

San JoséSt. Louis

SJO - STL

SJOSTL

San José Juan Santamaria Intl

Thu 2/26

6:20 am-9:40 pm

1 stop15h 20m

Lambert-St Louis

Mon 3/2

5:24 am-2:15 pm

1 stop8h 51m

$356

San JoséSt. Louis

SJO - STL

SJOSTL

San José Juan Santamaria Intl

Thu 10/30

1:20 pm-2:25 pm

2 stops24h 05m

Lambert-St Louis

Tue 11/11

5:24 pm-11:25 am

2 stops18h 01m

$361

San JoséSt. Louis

SJO - STL

SJOSTL

San José Juan Santamaria Intl

Thu 11/20

2:39 pm-10:39 am

1 stop20h 00m

Lambert-St Louis

Sun 11/30

5:00 am-12:31 pm

1 stop7h 31m

$364

San JoséChicago

SJO - MDW

SJOMDW

San José Juan Santamaria Intl

Thu 10/30

1:23 pm-10:14 pm

1 stop7h 51m

Chicago Midway

Mon 11/10

6:00 am-1:06 pm

1 stop7h 06m

$403

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Illinois from

How to get the cheapest flight ticket from San José, San José Province to Illinois

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 Illinois?

The cheapest month to fly to Illinois from San José, San José Province is in November. Flight prices, which tend to average around $429, are often lower during this time because this is during the off-season. If you aren’t able to travel to Illinois during the month of November, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $437.

What is the cheapest day to depart on your flight to Illinois?

The cheapest day to depart from San José, San José Province to Illinois is on a Friday when prices can be found for as low as $444. Flights from San José, San José Province to Illinois on a Sunday will generally be more expensive and average around $642. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Illinois?

Our most recent data shows that the best time of day to fly to Illinois is in the afternoon. Flights from San José, San José Province to Illinois during this time can be as low as $335. Flights at noon are often more expensive with an average ticket price of $571.

What is the cheapest San José Juan Santamaria Intl to Illinois flight route?

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

How far in advance should I book a flight to Illinois?

You are more likely to see cheaper flights to Illinois from San José, San José Province when booking weeks ahead of your departure date. In general, you can expect to find flights to Illinois for around $476 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Illinois from San José, San José Province for as low as $386 on momondo.

What cabin class options are available on San José Juan Santamaria Intl to Illinois flights?

There are 3 cabin classes available to choose from on San José Juan Santamaria Intl to Illinois 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 San José, San José Province to Illinois flights?

No. A direct flight is the cheapest option for a flight between San José, San José Province to Illinois.

Cheap San José, San José Province to Illinois flight deals and tips

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

Best Price Found

$224

Fastest flight time

5h 29m

Direct flights

Every day

Airports in Illinois

1 airport
The best one-way flight to Illinois from San José, San José Province in the past 72 hours is $224. The best round-trip flight deal from San José, San José Province to Illinois found on momondo in the last 72 hours is $395.
The fastest flight from San José, San José Province to Illinois takes 5h 29m
Direct flights go from San José, San José Province to Illinois every day.
There is 1 airport near Illinois: Chicago O'Hare Intl (ORD)
Search flight deals

  • When did momondo last update prices for flights from San José Juan Santamaria Intl Airport to Illinois?

    Prices for flights from San José Juan Santamaria Intl Airport to Illinois were last updated today.

  • How many operators does momondo search for flights from San José Juan Santamaria Intl Airport to Illinois?

  • How old do you have to be to fly from San José Juan Santamaria Intl Airport to Illinois?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from San José Juan Santamaria Intl Airport to Illinois.

  • What documentation or ID do you need to fly to Illinois?

    The necessary travel and health documents for your Illinois trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from San José, San José Province to Illinois?

Best airlines flying from San José, San José Province to Illinois

Compare and see reviews for airlines that fly from San José, San José Province to Illinois with momondo
Airline
Rating
Free Cancellation
Price
AviancaPriceFrom $249Free CancellationRating
6.7
2,432 reviews
Search Avianca flights
Spirit AirlinesPriceFrom $264Free CancellationRating
6.3
8,030 reviews
Search Spirit Airlines flights
Copa AirlinesPriceFrom $314Free CancellationRating
7.5
1,531 reviews
Search Copa Airlines flights
American AirlinesPriceFrom $377Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
SouthwestPriceFrom $425Free CancellationRating
8.0
4,242 reviews
Search Southwest flights
United AirlinesPriceFrom $437Free CancellationRating
7.4
8,926 reviews
Search United Airlines flights

Why use momondo?

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

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 Illinois from San José.

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

Flights from San José to Illinois 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 San José to Illinois?

Once you have performed a search for San José to Illinois flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Price alerts on flights to Illinois from San José are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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