Cheap flights from Illinois to Costa Rica from $84

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/11. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
ORD — SJO
Apr 24 — May 11

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

To save on the cost of your flight from Illinois to Costa Rica, book at least 52 days before your planned departure. Booking around this time can save you about 15% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $478 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $668.

What is the cheapest month to fly from Illinois to Costa Rica?

Our data shows that September tends to be the cheapest month to fly to Costa Rica from Illinois. Users have commonly found prices around $628 for the month, but tickets can be as low as $228. Due to multiple factors, prepare for potentially higher prices in December.

When is the cheapest time to fly from Illinois to Costa Rica (IL - CR)?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Illinois to Costa Rica as you normally would.

Cheap Spirit Airlines flights from Illinois to Costa Rica

Explore cheap flight options specifically provided by Spirit Airlines for the route between Illinois and Costa Rica. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 3,138,949 searches. Data last updated April 19, 2024.
Check out some of the cheapest Spirit Airlines flights we've come across from Illinois to Costa Rica. Make sure to double check the flight details before booking.
Thu 5/167:30 pmSTL - SJO
1 stop14h 51mSpirit Airlines
Wed 5/2212:59 amSJO - STL
1 stop15h 30mSpirit Airlines
Deal found 4/18$240
Sun 4/287:30 pmSTL - SJO
1 stop15h 08mSpirit Airlines
Thu 5/210:28 amSJO - STL
1 stop7h 12mSpirit Airlines
Deal found 4/18$242
Tue 5/1410:34 amSTL - SJO
1 stop14h 30mSpirit Airlines
Wed 5/2212:59 amSJO - STL
1 stop15h 30mSpirit Airlines
Deal found 4/18$243
Thu 5/167:30 pmSTL - SJO
1 stop14h 51mSpirit Airlines
Wed 5/2212:32 pmSJO - STL
1 stop27h 57mSpirit Airlines
Deal found 4/18$244
Tue 5/1410:34 amSTL - SJO
1 stop14h 30mSpirit Airlines
Sat 5/2512:32 pmSJO - STL
1 stop27h 57mSpirit Airlines
Deal found 4/18$247
Tue 5/1410:34 amSTL - SJO
1 stop14h 30mSpirit Airlines
Thu 5/2310:11 amSJO - STL
1 stop7h 29mSpirit Airlines
Deal found 4/18$249
Sat 4/276:41 pmORD - SJO
1 stop17h 55mSpirit Airlines
Wed 5/1512:32 pmSJO - ORD
1 stop9h 57mSpirit Airlines
Deal found 4/19$255
Sun 5/57:30 pmSTL - SJO
1 stop15h 08mSpirit Airlines
Fri 5/101:42 pmSJO - STL
1 stop19h 46mSpirit Airlines
Deal found 4/17$256
Mon 5/610:00 pmORD - SJO
3 stops36h 21mSpirit Airlines
Fri 5/1012:59 amSJO - ORD
1 stop15h 41mSpirit Airlines
Deal found 4/19$257

Cheap American Airlines flights from Illinois to Costa Rica

Explore cheap flight options specifically provided by American Airlines for the route between Illinois and Costa Rica. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 3,138,949 searches. Data last updated April 19, 2024.
Some of the lowest-priced American Airlines flights we've found at this time heading from Illinois to Costa Rica. If these deals don't fit your criteria, make sure to check back soon as new deals are always added.
Fri 5/105:19 amSTL - SJO
1 stop7h 32mAmerican Airlines
Wed 5/152:15 pmSJO - STL
1 stop8h 07mAmerican Airlines
Deal found 4/18$356
Fri 5/107:30 amSTL - SJO
2 stops12h 25mAmerican Airlines
Wed 5/152:15 pmSJO - STL
1 stop8h 07mAmerican Airlines
Deal found 4/18$359
Tue 5/145:55 amSTL - SJO
2 stops17h 19mAmerican Airlines
Thu 5/232:30 pmSJO - STL
2 stops17h 49mAmerican Airlines
Deal found 4/19$361
Tue 5/147:20 pmSTL - SJO
2 stops19h 10mAmerican Airlines
Thu 5/231:50 pmSJO - STL
2 stops19h 03mAmerican Airlines
Deal found 4/18$370
Thu 5/165:19 amSTL - LIR
1 stop8h 46mAmerican Airlines
Thu 5/232:35 pmLIR - STL
2 stops18h 18mAmerican Airlines
Deal found 4/19$402
Wed 5/155:21 amSTL - SJO
1 stop8h 50mAmerican Airlines
Sat 5/256:00 amSJO - STL
1 stop15h 59mAmerican Airlines
Deal found 4/18$433
Mon 8/125:37 amSTL - LIR
1 stop6h 38mAmerican Airlines
Tue 8/2012:58 pmLIR - STL
1 stop9h 02mAmerican Airlines
Deal found 4/19$437
Mon 9/95:31 amSTL - LIR
1 stop6h 40mAmerican Airlines
Sat 9/1412:58 pmLIR - STL
1 stop9h 02mAmerican Airlines
Deal found 4/19$439
Mon 9/95:31 amSTL - LIR
1 stop6h 40mAmerican Airlines
Sat 9/142:02 pmLIR - STL
2 stops19h 02mAmerican Airlines
Deal found 4/19$442

Cheap Illinois to Costa Rica flights in April & May 2024

Find cheap flight options from Illinois to Costa Rica specifically for the months of April and May 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,138,949 searches. Prices were last updated on April 19, 2024.
Check out some of the best flight deals from Illinois to Costa Rica in 2024. Check back regularly for other flight deals.
Tue 5/1410:58 amORD - SJO
1 stop14h 06mSpirit Airlines
Mon 5/2012:59 amSJO - ORD
1 stop15h 41mSpirit Airlines
Deal found 4/18$188
Wed 5/155:41 pmORD - SJO
1 stop7h 23mSpirit Airlines
Mon 5/2012:59 amSJO - ORD
1 stop15h 41mSpirit Airlines
Deal found 4/18$196
Tue 5/146:10 amORD - SJO
2 stops18h 54mSpirit Airlines
Mon 5/2012:59 amSJO - ORD
1 stop7h 56mSpirit Airlines
Deal found 4/18$201
Tue 5/145:41 pmORD - SJO
1 stop7h 23mSpirit Airlines
Sat 5/1812:32 pmSJO - ORD
1 stop9h 57mSpirit Airlines
Deal found 4/18$203
Sat 5/115:41 pmORD - SJO
1 stop7h 23mSpirit Airlines
Tue 5/1412:32 pmSJO - ORD
1 stop9h 57mSpirit Airlines
Deal found 4/18$206
Tue 5/1410:58 amORD - SJO
1 stop14h 06mSpirit Airlines
Tue 5/219:36 amSJO - ORD
1 stop12h 53mSpirit Airlines
Deal found 4/19$208
Sat 5/115:41 pmORD - SJO
1 stop7h 23mSpirit Airlines
Fri 5/1712:59 amSJO - ORD
1 stop15h 41mSpirit Airlines
Deal found 4/19$212
Tue 5/712:10 pmORD - SJO
1 stop21h 36mSpirit Airlines
Mon 5/1312:59 amSJO - ORD
1 stop14h 36mSpirit Airlines
Deal found 4/18$214
Sat 5/185:41 pmORD - SJO
1 stop7h 23mSpirit Airlines
Fri 5/2412:59 amSJO - ORD
1 stop15h 41mSpirit Airlines
Deal found 4/18$215

Illinois to Costa Rica 2024 flight deals

Discover exclusive flight deals for travel between Illinois and Costa Rica in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,138,949 searches. Data last updated April 19, 2024.
Check out some of the best flight deals from Illinois to Costa Rica in 2024. Check back regularly for other flight deals.
Tue 5/1410:58 amORD - SJO
1 stop14h 06mSpirit Airlines
Mon 5/2012:59 amSJO - ORD
1 stop15h 41mSpirit Airlines
Deal found 4/18$188
Wed 5/155:41 pmORD - SJO
1 stop7h 23mSpirit Airlines
Mon 5/2012:59 amSJO - ORD
1 stop15h 41mSpirit Airlines
Deal found 4/18$196
Tue 5/146:10 amORD - SJO
2 stops18h 54mSpirit Airlines
Mon 5/2012:59 amSJO - ORD
1 stop7h 56mSpirit Airlines
Deal found 4/18$201
Tue 5/145:41 pmORD - SJO
1 stop7h 23mSpirit Airlines
Sat 5/1812:32 pmSJO - ORD
1 stop9h 57mSpirit Airlines
Deal found 4/18$203
Sat 5/115:41 pmORD - SJO
1 stop7h 23mSpirit Airlines
Tue 5/1412:32 pmSJO - ORD
1 stop9h 57mSpirit Airlines
Deal found 4/18$206
Tue 5/1410:58 amORD - SJO
1 stop14h 06mSpirit Airlines
Tue 5/219:36 amSJO - ORD
1 stop12h 53mSpirit Airlines
Deal found 4/19$208
Sat 5/115:41 pmORD - SJO
1 stop7h 23mSpirit Airlines
Sat 5/1812:32 pmSJO - ORD
1 stop9h 57mSpirit Airlines
Deal found 4/19$212
Tue 5/712:10 pmORD - SJO
1 stop21h 36mSpirit Airlines
Mon 5/1312:59 amSJO - ORD
1 stop14h 36mSpirit Airlines
Deal found 4/18$214
Sat 5/185:41 pmORD - SJO
1 stop7h 23mSpirit Airlines
Fri 5/2412:59 amSJO - ORD
1 stop15h 41mSpirit Airlines
Deal found 4/18$215

Non-stop flights to Costa Rica from Illinois

Discover non-stop flight options from Illinois to Costa Rica. Find direct flights with no layovers, providing a convenient travel experience. Explore non-stop flight options based on user searches, and compare prices and availability for your desired travel dates. Over the last 7 days, Cheapflights users made 3,138,949 searches. Data last updated April 19, 2024.
For a quicker trip, book one of these direct flights from Illinois to Costa Rica. Search for alternative flights from Illinois to Costa Rica by utilizing the search form above.
Wed 8/144:00 pmORD - SJO
Nonstop6h 45mAvianca
Wed 8/215:45 amSJO - ORD
Nonstop7h 55mAvianca
Deal found 4/18$344
Fri 8/164:00 pmORD - SJO
Nonstop6h 45mAvianca
Sun 8/255:45 amSJO - ORD
Nonstop7h 55mAvianca
Deal found 4/18$372
Wed 8/144:00 pmORD - SJO
Nonstop6h 45mAvianca
Sun 8/185:45 amSJO - ORD
Nonstop7h 55mAvianca
Deal found 4/18$407
Wed 8/74:00 pmORD - SJO
Nonstop6h 45mAvianca
Fri 8/165:45 amSJO - ORD
Nonstop7h 55mAvianca
Deal found 4/18$447
Fri 6/74:00 pmORD - SJO
Nonstop6h 45mAvianca
Fri 6/145:45 amSJO - ORD
Nonstop7h 55mAvianca
Deal found 4/18$468
Wed 8/74:00 pmORD - SJO
Nonstop6h 45mAvianca
Sun 8/115:45 amSJO - ORD
Nonstop7h 55mAvianca
Deal found 4/18$482
Wed 6/264:00 pmORD - SJO
Nonstop6h 45mAvianca
Wed 7/175:45 amSJO - ORD
Nonstop7h 55mAvianca
Deal found 4/18$517
Fri 6/74:00 pmORD - SJO
Nonstop6h 45mAvianca
Sun 6/165:45 amSJO - ORD
Nonstop7h 55mAvianca
Deal found 4/18$554
Fri 6/74:00 pmORD - SJO
Nonstop6h 45mAvianca
Sun 6/165:45 amSJO - ORD
Nonstop7h 55mAvianca
Deal found 4/19$559

Illinois to Costa Rica flights leaving soon

Find last-minute flight options from Illinois to Costa Rica for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 3,138,949 searches. Data last updated April 19, 2024.
Check out these flights departing soon from Illinois to Costa Rica. To prevent any unwanted surprises, users should verify their flight info before booking.
Tue 4/305:16 pmMDW - SJO
1 stop16h 20mMultiple Airlines
Sat 5/119:36 amSJO - MDW
1 stop12h 20mMultiple Airlines
Deal found 4/18$232
Tue 4/305:16 pmMDW - SJO
1 stop16h 20mMultiple Airlines
Tue 5/149:36 amSJO - MDW
1 stop12h 50mMultiple Airlines
Deal found 4/18$240
Tue 4/305:16 pmMDW - SJO
1 stop16h 20mMultiple Airlines
Sun 5/129:36 amSJO - MDW
1 stop12h 45mMultiple Airlines
Deal found 4/18$243
Tue 4/305:16 pmMDW - SJO
1 stop16h 20mMultiple Airlines
Mon 5/1312:59 amSJO - MDW
2 stops11h 54mMultiple Airlines
Deal found 4/18$251
Tue 4/305:16 pmMDW - SJO
1 stop16h 20mMultiple Airlines
Wed 5/159:36 amSJO - MDW
2 stops20h 18mMultiple Airlines
Deal found 4/18$255
Sat 4/276:41 pmORD - SJO
1 stop17h 55mSpirit Airlines
Wed 5/1512:32 pmSJO - ORD
1 stop9h 57mSpirit Airlines
Deal found 4/19$255
Tue 4/305:16 pmMDW - SJO
1 stop16h 20mMultiple Airlines
Wed 5/151:42 pmSJO - MDW
1 stop16h 12mMultiple Airlines
Deal found 4/18$256
Wed 5/17:00 amMDW - SJO
1 stop26h 11mMultiple Airlines
Sat 5/119:36 amSJO - MDW
1 stop12h 20mMultiple Airlines
Deal found 4/18$258
Fri 5/39:16 pmMDW - SJO
2 stops36h 20mMultiple Airlines
Tue 5/79:36 amSJO - MDW
1 stop12h 50mMultiple Airlines
Deal found 4/19$263

One-way flights to Costa Rica from Illinois

Search for one-way flight options from Illinois to Costa Rica. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 3,138,949 searches. Data last updated April 19, 2024.
Some of the best available deals we've found on one-way flights from Illinois to Costa Rica. Those needing a return flight from Illinois to Costa Rica can use the search form above.
Sat 5/115:41 pmORD - SJO
1 stop7h 23mSpirit Airlines
Deal found 4/18$84
Wed 5/17:00 amMDW - SJO
1 stop26h 11mFrontier
Deal found 4/19$88
Tue 5/76:09 amORD - SJO
2 stops18h 47mSpirit Airlines
Deal found 4/19$95
Mon 5/610:00 pmORD - SJO
2 stops35h 46mSpirit Airlines
Deal found 4/19$96
Tue 5/78:16 pmMDW - SJO
2 stops38h 05mMultiple Airlines
Deal found 4/19$100
Tue 5/712:10 pmORD - SJO
1 stop21h 36mSpirit Airlines
Deal found 4/19$100
Tue 5/712:10 pmORD - SJO
2 stops22h 11mSpirit Airlines
Deal found 4/19$107
Wed 5/18:23 amORD - SJO
1 stop25h 13mSpirit Airlines
Deal found 4/19$109
Mon 5/66:41 pmORD - SJO
1 stop17h 55mSpirit Airlines
Deal found 4/19$111

Find flights from Illinois to Costa Rica within your budget

Customize your flight search to find flights from Illinois to Costa Rica 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, Cheapflights users made 3,138,949 searches. Data last updated April 19, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$240 - $543

Route

Depart

Return

Price

Lambert-St LouisSan José Juan Santamaria Intl

STL - SJO

STLSJO

Lambert-St Louis

Thu 5/16

1 stop14h 51m

San José Juan Santamaria Intl

Wed 5/22

1 stop15h 30m

$240

Lambert-St LouisSan José Juan Santamaria Intl

STL - SJO

STLSJO

Lambert-St Louis

Sun 4/28

1 stop15h 08m

San José Juan Santamaria Intl

Thu 5/2

1 stop7h 12m

$242

Lambert-St LouisSan José Juan Santamaria Intl

STL - SJO

STLSJO

Lambert-St Louis

Tue 5/14

1 stop14h 30m

San José Juan Santamaria Intl

Wed 5/22

1 stop15h 30m

$243

Chicago MidwaySan José Juan Santamaria Intl

MDW - SJO

MDWSJO

Chicago Midway

Mon 5/6

2 stops28h 06m

San José Juan Santamaria Intl

Sat 5/11

1 stop12h 20m

$248

Chicago MidwaySan José Juan Santamaria Intl

MDW - SJO

MDWSJO

Chicago Midway

Fri 5/3

2 stops36h 20m

San José Juan Santamaria Intl

Tue 5/7

1 stop12h 50m

$263

Chicago MidwaySan José Juan Santamaria Intl

MDW - SJO

MDWSJO

Chicago Midway

Wed 8/21

1 stop25h 58m

San José Juan Santamaria Intl

Sun 8/25

1 stop10h 09m

$311

Lambert-St LouisSan José Juan Santamaria Intl

STL - SJO

STLSJO

Lambert-St Louis

Fri 5/10

1 stop7h 32m

San José Juan Santamaria Intl

Wed 5/15

1 stop8h 07m

$356

Moline Quad-CitySan José Juan Santamaria Intl

MLI - SJO

MLISJO

Moline Quad-City

Sat 5/11

1 stop19h 37m

San José Juan Santamaria Intl

Wed 5/15

1 stop14h 16m

$475

Lambert-St LouisSan José Juan Santamaria Intl

STL - SJO

STLSJO

Lambert-St Louis

Sat 6/22

1 stop17h 24m

San José Juan Santamaria Intl

Tue 7/2

1 stop15h 44m

$543

Flights are sorted by cheapest first

Deals found on 4/18

No data available for this route at this time. Please check back soon.

Reviews of airlines servicing Costa Rica

Get insights into the airlines that provide service to Costa Rica. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Costa Rica. Reviews last updated April 19, 2024.
Get a feel of what it's like to fly with Spirit Airlines, American Airlines and United Airlines from Illinois to Costa Rica by reading reviews from past customers. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.1
Very good
9,109 reviews

Boarding

8.2

Overall

8.1

Crew

8.6

Entertainment

7.3

Food

7.3

Comfort

7.9

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

8.1
Very good
9,109 reviews
8.1
Very good
9,109 reviews

Boarding

8.2

Overall

8.1

Crew

8.6

Entertainment

7.3

Food

7.3

Comfort

7.9

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

8.1
Very good
11,094 reviews
8.1
Very good
9,109 reviews

Boarding

8.2

Overall

8.1

Crew

8.6

Entertainment

7.3

Food

7.3

Comfort

7.9

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

7.7
Good
2,661 reviews
8.1
Very good
9,109 reviews

Boarding

8.2

Overall

8.1

Crew

8.6

Entertainment

7.3

Food

7.3

Comfort

7.9

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

7.6
Good
2,524 reviews
8.1
Very good
9,109 reviews

Boarding

8.2

Overall

8.1

Crew

8.6

Entertainment

7.3

Food

7.3

Comfort

7.9

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

7.6
Good
3,966 reviews
8.1
Very good
9,109 reviews

Boarding

8.2

Overall

8.1

Crew

8.6

Entertainment

7.3

Food

7.3

Comfort

7.9

Reviews

1 / 10

Paid a lot for our exit row seats and they weren’t that roomy.

Related info for your journey

Find useful and relevant information for your journey from Illinois to Costa Rica. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • Can I find flights from Illinois to Costa Rica for under $300 on Cheapflights?

    Yes, there are multiple flights from Illinois to Costa Rica for under $300. The cheapest flight booked recently is on Spirit Airlines for just $240, but on average you can expect to pay $254.

  • Are there nonstop flights from Illinois to Costa Rica for under $400 on Cheapflights?

    Cheapflights has at least 20 direct flights from Illinois to Costa Rica under $400. A good price for a nonstop flight from Illinois to Costa Rica is less than $610.

  • Are there last-minute flights available from Illinois to Costa Rica for under $300?

    There are currently 20+ open flights from Illinois to Costa Rica within the next 7 days for less than $300.

  • What does ORD to SJO mean?

    ORD stands for Chicago O'Hare Intl Airport, while SJO stands for San José Juan Santamaria Intl Airport. These codes are often called IATA codes, a set of identifiers established by IATA (International Air Transport Association) that is widely used by airlines and the aviation industry. While you’re still figuring out your travel plans, it’s not a bad idea to learn the names and codes of other airports around these areas: Liberia Airport (LIR), Limon Airport (LIO), San José Tobias Bolanos Intl Airport (SYQ), Tamarindo Airport (TNO), Buenos Aires Airport (BAI).

  • Can I find deals for flights from Illinois to Costa Rica that include extra baggage allowance?

    The amount of baggage you can bring on your Illinois to Costa Rica flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Illinois to Costa Rica with specific airlines?

    Yes, Cheapflights allows you to browse and filter Illinois to Costa Rica flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • Can I find deals for flights from Illinois to Costa Rica that include hotel bookings?

    Yes. In addition to deals on Illinois to Costa Rica flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Illinois to Costa Rica?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Illinois to Costa Rica.

  • Can I find deals for business class flights from Illinois to Costa Rica?

    Yes. Cheapflights offers flight deals from Illinois to Costa Rica by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • Can I find deals for flights from Illinois to Costa Rica that allow pets onboard?

    Many airlines flying from Illinois to Costa Rica offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Illinois to Costa Rica?

    Yes, you can often find last-minute deals on Illinois to Costa Rica flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Illinois to Costa Rica flight deals updated?

    The Illinois to Costa Rica flight deals you see on this page were last updated on 4/19.

See more FAQs

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Alternative routes for Illinois to Costa Rica
See prices for flight routes from nearby airports that may be better suited for you.

Top 10 airlines flying from Illinois to Costa Rica

Discover the top 10 airlines that operate flights from Illinois to Costa Rica. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 3,138,949 searches. Data last updated April 19, 2024.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$205Average$314FlexibilityNo cancel feeOn-time62%
Search Frontier flights
AviancaCheapest$224Average$340FlexibilityNo cancel feeOn-time71%
Search Avianca flights
Spirit AirlinesCheapest$239Average$408FlexibilityNo cancel feeOn-time65%
Search Spirit Airlines flights
JetBlueCheapest$382Average$551FlexibilityNo cancel feeOn-time62%
Search JetBlue flights
DeltaCheapest$387Average$962FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
American AirlinesCheapest$388Average$747FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Copa AirlinesCheapest$413Average$646FlexibilityNo cancel feeOn-time70%
Search Copa Airlines flights
United AirlinesCheapest$518Average$906FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
AeromexicoCheapest$606Average$687FlexibilityNo cancel feeOn-timeN/A
Search Aeromexico flights
Air CanadaCheapest$648Average$1,234FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

Search flights from Illinois to Costa Rica by cabin class

Find flights from Illinois to Costa Rica, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Illinois to Costa Rica?

Cheapflights helps you search for flights from Illinois to Costa Rica via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Illinois to Costa Rica?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Costa Rica from Illinois.

Can Cheapflights find flights from Illinois to Costa Rica with no change fees?

Certainly. Search results for flights to Costa Rica from Illinois shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Illinois to Costa Rica become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Costa Rica from Illinois today and book when prices fit your budget.

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