How many flights depart from Costa Rica to Illinois on average per day?

1 flights are operational daily from Costa Rica to Illinois as of November 2025. The most popular departure time for this route is 1:00PM, with 100% of flights per day taking off in the afternoon.

How many flights depart from Costa Rica to Illinois on average per week?

As of November 2025, there are 7 flights per week flying from Costa Rica to Illinois. The most common day of the week flights depart is Mon, with 14% of flights taking off on this day.

What is the cheapest airline that flies from Costa Rica to Illinois?

Spirit Airlines, Frontier, and Avianca are the most popular carriers operating from Costa Rica to Illinois

What airlines fly to Illinois?

United Airlines, American Airlines and Copa Airlines are the top three most popular airlines that fly to Illinois from Costa Rica according to our data. United Airlines is the first choice among our users, with 33% of people opting to fly with this airline when traveling to Illinois. Keep in mind that there are 6 different airlines that fly to Illinois on a routine basis, so you have a few additional options to choose from.

How long is the flight from Costa Rica to Illinois?

The flight from Costa Rica to Illinois depends on which airports you’re departing and arriving from and whether or not you have a layover. If you fly from Liberia (a popular airport in Costa Rica) to Chicago O'Hare Intl Airport (the most popular airport in Illinois), then the flight time is 5h 19m on average. If you fly from San José (another popular airport in Costa Rica) to Chicago O'Hare Intl Airport, then the average flight time is 5h 29m.

When did momondo last update prices for flights from Costa Rica to Illinois?

Prices for flights from Costa Rica to Illinois are refreshed on a daily basis.

How many operators does momondo search for flights from Costa Rica to Illinois?

As of November 2025, there are 6 operators available to choose from for flights from Costa Rica to Illinois.

How old do you have to be to fly from Costa Rica to Illinois?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Costa Rica to Illinois.

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

The travel and health documents you'll need for your trip to Illinois may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Illinois. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$106 Cheap Flights from Costa Rica to Illinois in 2025/26

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Recent round-trip flight deals from Costa Rica to Illinois

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1:31 pm - 8:01 pmSJO-ORD

30h 30m1 stop

3:26 pm - 12:25 pmORD-SJO

20h 59m1 stop

$227Spirit Airlines

Find Deal

Fri, Dec 5 - Wed, Dec 10

1:20 pm - 11:29 pmSJO-ORD

10h 09m1 stop

4:58 pm - 10:19 amORD-SJO

17h 21m1 stop

$232Spirit Airlines

Find Deal

Sat, Nov 22 - Tue, Dec 2

1:31 pm - 8:01 pmSJO-ORD

30h 30m1 stop

6:15 am - 12:25 pmORD-SJO

30h 10m1 stop

$240Multiple Airlines

Find Deal

Fri, Dec 5 - Thu, Dec 11

1:31 pm - 11:08 amSJO-ORD

21h 37m1 stop

6:15 am - 12:25 pmORD-SJO

30h 10m1 stop

$252Multiple Airlines

Find Deal

Mon, Dec 8 - Thu, Dec 11

5:45 am - 1:15 pmSJO-ORD

7h 30m1 stop

4:10 pm - 11:40 pmORD-SJO

7h 30m1 stop

$293Avianca

Find Deal

Fri, Jan 23 - Tue, Jan 27

5:00 am - 2:50 pmSJO-ORD

9h 50m1 stop

4:10 pm - 11:40 pmORD-SJO

7h 30m1 stop

$294Avianca

Find Deal

Tue, Dec 9 - Thu, Jan 8

12:23 am - 5:05 pmSJO-STL

16h 42m1 stop

5:05 am - 12:26 pmSTL-SJO

7h 21m1 stop

$357American Airlines

Find Deal

Wed, Feb 25 - Mon, Mar 2

12:23 am - 5:05 pmSJO-STL

16h 42m1 stop

7:00 am - 8:51 pmSTL-SJO

13h 51m2 stops

$361American Airlines

Find Deal

Wed, Feb 25 - Mon, Mar 2

7:30 am - 8:26 pmSJO-STL

12h 56m1 stop

5:00 am - 11:56 amSTL-SJO

7h 56m1 stop

$441United Airlines

Find Deal

Sat, Feb 28 - Wed, Mar 11

2:01 pm - 7:20 pmLIR-ORD

5h 19mnonstop

7:49 am - 12:55 pmORD-LIR

5h 06mnonstop

$465United Airlines

Find Deal

Thu, Feb 5 - Sun, Feb 8

Spirit Airlines flights from Costa Rica to Illinois

Our best Spirit Airlines deals on Costa Rica to Illinois flight tickets

Spirit Airlines

Dec 5

SJO1:31 pmSan José Juan Santamaria Intl

30h 30m

1 stop

ORD8:01 pmChicago O'Hare Intl

Dec 10

ORD3:26 pmChicago O'Hare Intl

20h 59m

1 stop

SJO12:25 pmSan José Juan Santamaria Intl

$227

Find similar

Spirit Airlines

Nov 22

SJO1:20 pmSan José Juan Santamaria Intl

10h 09m

1 stop

ORD11:29 pmChicago O'Hare Intl

Dec 2

ORD4:58 pmChicago O'Hare Intl

17h 21m

1 stop

SJO10:19 amSan José Juan Santamaria Intl

$232

Find similar

Spirit Airlines

Jan 13

SJO1:16 amSan José Juan Santamaria Intl

8h 07m

1 stop

ORD9:23 amChicago O'Hare Intl

Jan 28

ORD8:41 amChicago O'Hare Intl

15h 40m

1 stop

SJO12:21 amSan José Juan Santamaria Intl

$233

Find similar

Avianca flights from Costa Rica to Illinois

Our best Avianca deals on Costa Rica to Illinois flight tickets

Avianca

Jan 23

SJO5:45 amSan José Juan Santamaria Intl

7h 30m

1 stop

ORD1:15 pmChicago O'Hare Intl

Jan 27

ORD4:10 pmChicago O'Hare Intl

7h 30m

1 stop

SJO11:40 pmSan José Juan Santamaria Intl

$293

Find similar

Avianca

Dec 9

SJO5:00 amSan José Juan Santamaria Intl

9h 50m

1 stop

ORD2:50 pmChicago O'Hare Intl

Jan 8

ORD4:10 pmChicago O'Hare Intl

7h 30m

1 stop

SJO11:40 pmSan José Juan Santamaria Intl

$294

Find similar

Fly from

Fly to

Route

Depart

Return

Price

San JoséChicago

SJO - ORD

SJOORD

San José Juan Santamaria Intl

Fri 12/5

1:31 pm-8:01 pm

1 stop30h 30m

Chicago O'Hare Intl

Wed 12/10

3:26 pm-12:25 pm

1 stop20h 59m

$227

San JoséChicago

SJO - ORD

SJOORD

San José Juan Santamaria Intl

Sat 11/22

1:20 pm-11:29 pm

1 stop10h 09m

Chicago O'Hare Intl

Tue 12/2

4:58 pm-10:19 am

1 stop17h 21m

$232

San JoséChicago

SJO - ORD

SJOORD

San José Juan Santamaria Intl

Fri 12/5

1:31 pm-8:01 pm

1 stop30h 30m

Chicago O'Hare Intl

Thu 12/11

6:15 am-12:25 pm

1 stop30h 10m

$240

San JoséChicago

SJO - ORD

SJOORD

San José Juan Santamaria Intl

Mon 12/8

1:31 pm-11:08 am

1 stop21h 37m

Chicago O'Hare Intl

Thu 12/11

6:15 am-12:25 pm

1 stop30h 10m

$252

San JoséChicago

SJO - ORD

SJOORD

San José Juan Santamaria Intl

Fri 1/23

5:45 am-1:15 pm

1 stop7h 30m

Chicago O'Hare Intl

Tue 1/27

4:10 pm-11:40 pm

1 stop7h 30m

$293

San JoséChicago

SJO - ORD

SJOORD

San José Juan Santamaria Intl

Tue 12/9

5:00 am-2:50 pm

1 stop9h 50m

Chicago O'Hare Intl

Thu 1/8

4:10 pm-11:40 pm

1 stop7h 30m

$294

San JoséSt. Louis

SJO - STL

SJOSTL

San José Juan Santamaria Intl

Wed 2/25

12:23 am-5:05 pm

1 stop16h 42m

Lambert-St Louis

Mon 3/2

5:05 am-12:26 pm

1 stop7h 21m

$357

San JoséSt. Louis

SJO - STL

SJOSTL

San José Juan Santamaria Intl

Wed 2/25

12:23 am-5:05 pm

1 stop16h 42m

Lambert-St Louis

Mon 3/2

7:00 am-8:51 pm

2 stops13h 51m

$361

San JoséSt. Louis

SJO - STL

SJOSTL

San José Juan Santamaria Intl

Sat 2/28

7:30 am-8:26 pm

1 stop12h 56m

Lambert-St Louis

Wed 3/11

5:00 am-11:56 am

1 stop7h 56m

$441

LiberiaChicago

LIR - ORD

LIRORD

Liberia

Thu 2/5

2:01 pm-7:20 pm

Nonstop5h 19m

Chicago O'Hare Intl

Sun 2/8

7:49 am-12:55 pm

Nonstop5h 06m

$465

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How to get the cheapest flight ticket from Costa Rica 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

Prices

Airlines

Other information

What is the cheapest month to fly to Illinois?

The cheapest month to fly to Illinois from Costa Rica is in November. Flight prices, which tend to average around $410, 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 January is also cheap. Prices for this month can be found on momondo for an average of $420.

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

The cheapest day to depart from Costa Rica to Illinois is on a Friday when prices can be found for as low as $448. Flights from Costa Rica to Illinois on a Sunday will generally be more expensive and average around $588. 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 Costa Rica to Illinois during this time can be as low as $335. Flights at noon are often more expensive with an average ticket price of $540.

What is the cheapest Costa Rica to Illinois flight route?

Fly from San José Juan Santamaria Intl to Chicago O'Hare Intl for the best Costa Rica - 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 Costa Rica when booking weeks ahead of your departure date. In general, you can expect to find flights to Illinois for around $463 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Illinois from Costa Rica for as low as $387 on momondo.

What cabin class options are available on Costa Rica to Illinois flights?

There are 2 cabin classes available to choose from on Costa Rica 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 Costa Rica to Illinois flights?

You could potentially save up to 11% on your flight if you consider stops on a Costa Rica to Illinois flight.

Cheap Costa Rica to Illinois flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Costa Rica to Illinois

Best Price Found	$175
Fastest flight time	5h 19m
Direct flights	Every day
Airports in Illinois	1 airport

The best one-way flight to Illinois from Costa Rica in the past 72 hours is $175. The best round-trip flight deal from Costa Rica to Illinois found on momondo in the last 72 hours is $325.

The fastest flight from Costa Rica to Illinois takes 5h 19m

Direct flights go from Costa Rica 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 Costa Rica to Illinois?
Prices for flights from Costa Rica to Illinois are refreshed on a daily basis.
How many operators does momondo search for flights from Costa Rica to Illinois?
As of November 2025, there are 6 operators available to choose from for flights from Costa Rica to Illinois.
How old do you have to be to fly from Costa Rica to Illinois?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Costa Rica to Illinois.
What documentation or ID do you need to fly to Illinois?
The travel and health documents you'll need for your trip to Illinois may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Illinois. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Costa Rica to Illinois?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Costa Rica to Illinois is Boeing 737 MAX 8 (38.28% of total bookings). The next most popular plane models are Boeing 737 MAX 9 (31.16%), Airbus A320neo (6.23%), and Airbus A330-300 (4.15%).

Best airlines flying from Costa Rica to Illinois

Compare and see reviews for airlines that fly from Costa Rica to Illinois with momondo

Airline	Rating	Free Cancellation	Price
Spirit Airlines	PriceFrom $230	Free Cancellation	Rating 6.3 8,114 reviews	Search Spirit Airlines flights
Avianca	PriceFrom $249	Free Cancellation	Rating 6.6 2,470 reviews	Search Avianca flights
Copa Airlines	PriceFrom $314	Free Cancellation	Rating 7.6 1,561 reviews	Search Copa Airlines flights
American Airlines	PriceFrom $324	Free Cancellation	Rating 7.2 11,041 reviews	Search American Airlines flights
Southwest	PriceFrom $425	Free Cancellation	Rating 8.0 4,238 reviews	Search Southwest flights
United Airlines	PriceFrom $434	Free Cancellation	Rating 7.4 9,000 reviews	Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Costa Rica to Illinois?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Costa Rica to Illinois. momondo saves you time and could save you money on your trip.

Can I find flights from Costa Rica to Illinois with flexible booking policies on momondo?

Yes. All flights to Illinois from Costa Rica on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Costa Rica to Illinois?

Once all potential Costa Rica to Illinois flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

If you are not ready to book a flight from Costa Rica to Illinois now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Illinois and let you know when they change.

An easier way to manage your Illinois 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.

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Cheap flights from Costa Rica to Illinois from $106

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Costa Rica to Illinois departing on 11/19. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

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Price Alerts

Find the cheapest flights from Costa Rica to Illinois

Recent round-trip flight deals from Costa Rica to Illinois

Recent one-way flight deals from Costa Rica to Illinois

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Spirit Airlines flights from Costa Rica to Illinois

Our best Spirit Airlines deals on Costa Rica to Illinois flight tickets

Avianca flights from Costa Rica to Illinois

Our best Avianca deals on Costa Rica to Illinois flight tickets

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How to get the cheapest flight ticket from Costa Rica 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?

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

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 Costa Rica to Illinois during this time can be as low as $335. Flights at noon are often more expensive with an average ticket price of $540.

What is the cheapest Costa Rica to Illinois flight route?

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

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

What cabin class options are available on Costa Rica to Illinois flights?

There are 2 cabin classes available to choose from on Costa Rica 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 Costa Rica to Illinois flights?

You could potentially save up to 11% on your flight if you consider stops on a Costa Rica to Illinois flight.

What is the cheapest airline that flies from Costa Rica to Illinois?

Spirit Airlines, Frontier, and Avianca are the most popular carriers operating from Costa Rica to Illinois

What airlines fly to Illinois?

How many flights depart from Costa Rica to Illinois on average per day?

1 flights are operational daily from Costa Rica to Illinois as of November 2025. The most popular departure time for this route is 1:00PM, with 100% of flights per day taking off in the afternoon.

How many flights depart from Costa Rica to Illinois on average per week?

As of November 2025, there are 7 flights per week flying from Costa Rica to Illinois. The most common day of the week flights depart is Mon, with 14% of flights taking off on this day.

How long is the flight from Costa Rica to Illinois?

Cheap Costa Rica to Illinois flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Costa Rica to Illinois

Best Price Found

Fastest flight time

Direct flights

Airports in Illinois

When did momondo last update prices for flights from Costa Rica to Illinois?

How many operators does momondo search for flights from Costa Rica to Illinois?

How old do you have to be to fly from Costa Rica to Illinois?

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

What is the most popular plane model from Costa Rica to Illinois?

Best airlines flying from Costa Rica to Illinois

Compare and see reviews for airlines that fly from Costa Rica to Illinois with momondo

Why use momondo?

Why should I use momondo to find a flight deal from Costa Rica to Illinois?

Can I find flights from Costa Rica to Illinois with flexible booking policies on momondo?

How can momondo help me find flights from Costa Rica to Illinois?

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

An easier way to manage your Illinois 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.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Illinois

Popular cities in Illinois

Popular flights according to clicks in the last 7 days on momondo