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Cheap flights from San José, San José Province to Illinois from $119

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 8/20. 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
12:18 pm - 11:59 pmSJO-ORD
10h 41m1 stop
Spirit Airlines Logo
8:12 pm - 11:14 amORD-SJO
16h 02m1 stop
$209Spirit Airlines
Find Deal
Wed, Aug 27 - Wed, Sep 3
Spirit Airlines Logo
12:18 pm - 11:59 pmSJO-ORD
10h 41m1 stop
Spirit Airlines Logo
5:05 am - 11:14 amORD-SJO
7h 09m1 stop
$220Spirit Airlines
Find Deal
Wed, Sep 3 - Sat, Sep 6
American Airlines Logo
6:00 am - 11:59 pmSJO-STL
16h 59m1 stop
American Airlines Logo
8:49 am - 6:16 pmSTL-SJO
10h 27m1 stop
$253American Airlines
Find Deal
Wed, Sep 3 - Tue, Oct 14
American Airlines Logo
6:00 am - 9:10 pmSJO-STL
14h 10m2 stops
American Airlines Logo
8:49 am - 6:16 pmSTL-SJO
10h 27m1 stop
$257American Airlines
Find Deal
Wed, Sep 3 - Tue, Oct 14
United Airlines Logo
7:55 am - 3:44 pmSJO-STL
30h 49m2 stops
United Airlines Logo
6:15 am - 7:37 pmSTL-SJO
14h 22m1 stop
$285United Airlines
Find Deal
Thu, Sep 4 - Wed, Oct 15
United Airlines Logo
7:55 am - 3:44 pmSJO-STL
30h 49m2 stops
United Airlines Logo
8:25 am - 12:26 pmSTL-SJO
29h 01m1 stop
$306United Airlines
Find Deal
Thu, Sep 4 - Sat, Oct 11
Southwest Logo
1:40 pm - 11:20 pmSJO-MDW
8h 40m1 stop
Southwest Logo
9:10 am - 6:55 pmMDW-SJO
10h 45m1 stop
$384Southwest
Find Deal
Wed, Sep 24 - Tue, Sep 30
Southwest Logo
8:50 am - 8:25 pmSJO-MDW
10h 35m2 stops
Southwest Logo
9:10 am - 6:55 pmMDW-SJO
10h 45m1 stop
$388Southwest
Find Deal
Wed, Sep 24 - Tue, Sep 30
Delta Logo
7:00 am - 6:36 pmSJO-MDW
11h 36m2 stops
Delta Logo
1:05 pm - 10:15 pmMDW-SJO
9h 10m1 stop
$394Delta
Find Deal
Wed, Dec 3 - Sun, Dec 7
Delta Logo
7:00 am - 6:36 pmSJO-MDW
11h 36m2 stops
Delta Logo
1:05 pm - 10:15 pmMDW-SJO
9h 10m1 stop
$512Delta
Find Deal
Tue, Nov 25 - Thu, Dec 4

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
Aug 27
SJO12:18 pmSan José Juan Santamaria Intl
10h 41m
1 stop
ORD11:59 pmChicago O'Hare Intl
Sep 3
ORD8:12 pmChicago O'Hare Intl
16h 02m
1 stop
SJO11:14 amSan José Juan Santamaria Intl
$209
Find similar
Spirit Airlines
Sep 3
SJO12:18 pmSan José Juan Santamaria Intl
10h 41m
1 stop
ORD11:59 pmChicago O'Hare Intl
Sep 6
ORD5:05 amChicago O'Hare Intl
7h 09m
1 stop
SJO11:14 amSan José Juan Santamaria Intl
$220
Find similar
Spirit Airlines
Aug 20
SJO12:18 pmSan José Juan Santamaria Intl
10h 41m
1 stop
ORD11:59 pmChicago O'Hare Intl
Sep 2
ORD8:12 pmChicago O'Hare Intl
16h 00m
1 stop
SJO11:12 amSan José Juan Santamaria Intl
$222
Find similar

Frontier flights from San José, San José Province to Illinois

Our best Frontier deals on San José, San José Province to Illinois flight tickets
Frontier
Aug 16
SJO1:47 pmSan José Juan Santamaria Intl
8h 42m
1 stop
ORD11:29 pmChicago O'Hare Intl
Aug 23
ORD6:00 amChicago O'Hare Intl
7h 24m
1 stop
SJO12:24 pmSan José Juan Santamaria Intl
$329
Find similar
Frontier
Aug 9
SJO1:47 pmSan José Juan Santamaria Intl
8h 42m
1 stop
ORD11:29 pmChicago O'Hare Intl
Aug 16
ORD5:01 amChicago O'Hare Intl
8h 30m
1 stop
SJO12:31 pmSan José Juan Santamaria Intl
$351
Find similar
Frontier
Aug 16
SJO1:47 pmSan José Juan Santamaria Intl
23h 00m
1 stop
MDW1:47 pmChicago Midway
Aug 23
MDW6:10 amChicago Midway
7h 14m
1 stop
SJO12:24 pmSan José Juan Santamaria Intl
$458
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 August 6, 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 8/27

12:18 pm-11:59 pm

1 stop10h 41m

Chicago O'Hare Intl

Wed 9/3

8:12 pm-11:14 am

1 stop16h 02m

$209

San JoséChicago

SJO - ORD

SJOORD

San José Juan Santamaria Intl

Wed 9/3

12:18 pm-11:59 pm

1 stop10h 41m

Chicago O'Hare Intl

Sat 9/6

5:05 am-11:14 am

1 stop7h 09m

$220

San JoséSt. Louis

SJO - STL

SJOSTL

San José Juan Santamaria Intl

Wed 9/3

6:00 am-11:59 pm

1 stop16h 59m

Lambert-St Louis

Tue 10/14

8:49 am-6:16 pm

1 stop10h 27m

$253

San JoséSt. Louis

SJO - STL

SJOSTL

San José Juan Santamaria Intl

Wed 9/3

6:00 am-9:10 pm

2 stops14h 10m

Lambert-St Louis

Tue 10/14

8:49 am-6:16 pm

1 stop10h 27m

$257

San JoséSt. Louis

SJO - STL

SJOSTL

San José Juan Santamaria Intl

Thu 9/4

7:55 am-3:44 pm

2 stops30h 49m

Lambert-St Louis

Wed 10/15

6:15 am-7:37 pm

1 stop14h 22m

$285

San JoséSt. Louis

SJO - STL

SJOSTL

San José Juan Santamaria Intl

Thu 9/4

7:55 am-3:44 pm

2 stops30h 49m

Lambert-St Louis

Sat 10/11

8:25 am-12:26 pm

1 stop29h 01m

$306

San JoséChicago

SJO - MDW

SJOMDW

San José Juan Santamaria Intl

Wed 9/24

1:40 pm-11:20 pm

1 stop8h 40m

Chicago Midway

Tue 9/30

9:10 am-6:55 pm

1 stop10h 45m

$384

San JoséChicago

SJO - MDW

SJOMDW

San José Juan Santamaria Intl

Wed 9/24

8:50 am-8:25 pm

2 stops10h 35m

Chicago Midway

Tue 9/30

9:10 am-6:55 pm

1 stop10h 45m

$388

San JoséChicago

SJO - MDW

SJOMDW

San José Juan Santamaria Intl

Wed 12/3

7:00 am-6:36 pm

2 stops11h 36m

Chicago Midway

Sun 12/7

1:05 pm-10:15 pm

1 stop9h 10m

$394

San JoséChicago

SJO - MDW

SJOMDW

San José Juan Santamaria Intl

Tue 11/25

7:00 am-6:36 pm

2 stops11h 36m

Chicago Midway

Thu 12/4

1:05 pm-10:15 pm

1 stop9h 10m

$512

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 August. Flight prices, which tend to average around $431, 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 August, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $431.

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 Wednesday when prices can be found for as low as $442. Flights from San José, San José Province to Illinois on a Sunday will generally be more expensive and average around $650. 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 $583.

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 $480 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 $401 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?

You could potentially save up to 84% on your flight if you consider stops on a San José, San José Province to Illinois flight.

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

$119

Fastest flight time

7h 30m

Direct flights

Every day

Airports in Illinois

3 airports
The best one-way flight to Illinois from San José, San José Province in the past 72 hours is $119. The best round-trip flight deal from San José, San José Province to Illinois found on momondo in the last 72 hours is $209.
The fastest flight from San José, San José Province to Illinois takes 7h 30m
Direct flights go from San José, San José Province to Illinois every day.
There are 3 airports near Illinois: Chicago O'Hare Intl (ORD), Chicago Midway (MDW), Lambert-St Louis (STL)
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 $261Free CancellationRating
6.7
2,394 reviews
Search Avianca flights
Spirit AirlinesPriceFrom $266Free CancellationRating
6.3
8,055 reviews
Search Spirit Airlines flights
Copa AirlinesPriceFrom $314Free CancellationRating
7.5
1,500 reviews
Search Copa Airlines flights
American AirlinesPriceFrom $340Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
SouthwestPriceFrom $425Free CancellationRating
8.0
4,244 reviews
Search Southwest flights
United AirlinesPriceFrom $437Free CancellationRating
7.4
8,917 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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