Latest deals
Insights
FAQs
Reviews
Price Alerts

Cheap flights from Illinois to Costa Rica from $111

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 Costa Rica departing on 3/25. 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

Deals available from 900+ travel sites.

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.

Find the cheapest flights from Illinois to Costa Rica

Cheap round-trip flights

These are some of the best round-trip flight deals from Illinois to Costa Rica that have been recently found on momondo from popular airlines, departing in the coming months.
9:08 pm - 11:21 amORD-SJO
15h 13m2 stops
2:48 pm - 5:42 amSJO-ORD
13h 54m1 stop
Tue, Mar 25 - Tue, Apr 22
9:08 pm - 11:21 amORD-SJO
15h 13m2 stops
2:48 pm - 5:42 amSJO-ORD
13h 54m1 stop
Tue, Apr 1 - Tue, Apr 8
8:53 pm - 11:18 amORD-SJO
15h 25m2 stops
12:23 pm - 12:08 pmSJO-ORD
22h 45m2 stops
$280Spirit Airlines
Find Deal
Sun, May 11 - Tue, May 20
9:08 pm - 10:25 amORD-SJO
14h 17m1 stop
12:50 am - 1:48 pmSJO-ORD
11h 58m2 stops
$288Spirit Airlines
Find Deal
Thu, Mar 27 - Wed, Apr 2
7:04 am - 1:19 pmSTL-SJO
7h 15m1 stop
11:59 pm - 9:01 amSJO-STL
8h 02m1 stop
$344American Airlines
Find Deal
Mon, Apr 28 - Thu, May 1
5:45 am - 6:24 pmSTL-SJO
13h 39m2 stops
11:59 pm - 9:01 amSJO-STL
8h 02m1 stop
$348American Airlines
Find Deal
Mon, Apr 28 - Thu, May 1
6:00 am - 11:37 amSTL-LIR
6h 37m1 stop
1:25 pm - 11:38 pmLIR-STL
9h 13m1 stop
$385Delta
Find Deal
Tue, May 6 - Fri, May 16
6:00 am - 1:10 pmSTL-LIR
8h 10m1 stop
2:05 pm - 10:15 pmLIR-STL
7h 10m1 stop
$421Southwest
Find Deal
Wed, Apr 16 - Wed, Apr 30
6:00 am - 12:00 pmSTL-LIR
7h 00m1 stop
1:25 pm - 11:38 pmLIR-STL
9h 13m1 stop
$437Delta
Find Deal
Thu, May 8 - Thu, May 15
9:20 am - 7:40 pmMDW-SJO
11h 20m2 stops
1:10 pm - 11:35 pmSJO-MDW
9h 25m1 stop
$449Southwest
Find Deal
Sat, May 17 - Thu, May 22

Spirit Airlines flights from Illinois to Costa Rica

Our best Spirit Airlines deals on Illinois to Costa Rica flight tickets
Spirit Airlines
May 11
ORD8:53 pmChicago O'Hare Intl
15h 25m
2 stops
SJO11:18 amSan José Juan Santamaria Intl
May 20
SJO12:23 pmSan José Juan Santamaria Intl
22h 45m
2 stops
ORD12:08 pmChicago O'Hare Intl
Spirit Airlines
Mar 27
ORD9:08 pmChicago O'Hare Intl
14h 17m
1 stop
SJO10:25 amSan José Juan Santamaria Intl
Apr 2
SJO12:50 amSan José Juan Santamaria Intl
11h 58m
2 stops
ORD1:48 pmChicago O'Hare Intl
Spirit Airlines
Mar 25
ORD3:16 pmChicago O'Hare Intl
20h 09m
2 stops
SJO10:25 amSan José Juan Santamaria Intl
Apr 2
SJO11:55 amSan José Juan Santamaria Intl
21h 18m
1 stop
ORD10:13 amChicago O'Hare Intl

American Airlines flights from Illinois to Costa Rica

Our best American Airlines deals on Illinois to Costa Rica flight tickets
American Airlines
Apr 28
STL7:04 amLambert-St Louis
7h 15m
1 stop
SJO1:19 pmSan José Juan Santamaria Intl
May 1
SJO11:59 pmSan José Juan Santamaria Intl
8h 02m
1 stop
STL9:01 amLambert-St Louis
American Airlines
Apr 28
STL5:45 amLambert-St Louis
13h 39m
2 stops
SJO6:24 pmSan José Juan Santamaria Intl
May 1
SJO11:59 pmSan José Juan Santamaria Intl
8h 02m
1 stop
STL9:01 amLambert-St Louis
American Airlines
May 1
STL5:00 amLambert-St Louis
9h 05m
1 stop
SJO1:05 pmSan José Juan Santamaria Intl
May 8
SJO6:03 amSan José Juan Santamaria Intl
10h 26m
1 stop
STL5:29 pmLambert-St Louis

See travel insights to Costa Rica from

How to get the cheapest flight ticket from Illinois to Costa Rica

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 Costa Rica?

The cheapest month to fly to Costa Rica from Illinois is in May. Flight prices, which tend to average around $504, are often lower during this time because this is during the off-season. If you’re not able to fly to Costa Rica in May, then June is your next best option. Flight prices from Illinois to Costa Rica during June average around $539.

What is the cheapest day to depart on your flight to Costa Rica?

According to our data, Wednesday is the cheapest day to fly to Costa Rica from Illinois. The lowest ticket price found for a Wednesday departure recently was $498. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $843. These prices are subject to change though, so be sure to set up a Price Alert for flights to Costa Rica.

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

In the evening is the cheapest time of day to fly from Illinois to Costa Rica when you can find flight prices for as low as $436. Flying to Costa Rica in the evening is an ideal time because this is during off-peak travel hours. Flights to Costa Rica are more costly at noon, with an average ticket price of $852. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest Illinois to Costa Rica flight route?

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

How far in advance should I book a flight to Costa Rica?

You are more likely to see cheaper flights to Costa Rica from Illinois when booking 6 weeks ahead of your departure date. In general, you can expect to find flights to Costa Rica for around $577 when searching 6 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Costa Rica from Illinois for as low as $457 on momondo.

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

There are 3 cabin classes available to choose from on Illinois to Costa Rica flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Cheap Illinois to Costa Rica flight deals and tips

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

Best Price Found

$111

Fastest flight time

5h 00m

Direct flights

Every day

Airports in Costa Rica

2 airports
The best one-way flight to Costa Rica from Illinois in the past 72 hours is $111. The best round-trip flight deal from Illinois to Costa Rica found on momondo in the last 72 hours is $265.
The fastest flight from Illinois to Costa Rica takes 5h 00m
Direct flights go from Illinois to Costa Rica every day.
There are 2 airports near Costa Rica: Liberia (LIR), San José Juan Santamaria Intl (SJO)

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

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

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

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

    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 Illinois to Costa Rica.

  • What documentation or ID do you need to fly to Costa Rica?

    The travel and health documents you'll need for your trip to Costa Rica 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 Costa Rica. 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 Illinois to Costa Rica?


Best airlines flying from Illinois to Costa Rica

Compare and see reviews for airlines that fly from Illinois to Costa Rica with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $237Free CancellationRating
6.3
7,980 reviews
Search Spirit Airlines flights
AviancaPriceFrom $337Free CancellationRating
6.8
2,384 reviews
Search Avianca flights
JetBluePriceFrom $345Free CancellationRating
7.4
3,035 reviews
Search JetBlue flights
American AirlinesPriceFrom $422Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $446Free CancellationRating
8.0
8,140 reviews
Search Delta flights
Copa AirlinesPriceFrom $457Free CancellationRating
7.6
1,482 reviews
Search Copa Airlines flights
SouthwestPriceFrom $538Free CancellationRating
8.1
4,362 reviews
Search Southwest flights
United AirlinesPriceFrom $582Free CancellationRating
7.4
8,723 reviews
Search United Airlines flights

Why use momondo?

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

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 Costa Rica from Illinois.

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

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

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Costa Rica from Illinois.

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

Yes momondo offers price alerts on flights to Costa Rica from Illinois. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.


An easier way to manage your Costa Rica 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.
1 adult
From?
To?
Tue 3/4
Tue 3/11

Find better results for your trip to Costa Rica