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Central America

$62+ Cheap flights from Illinois to Central America

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 1/20. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — SJO
Jan 15 — Jan 221
Thu 1/15
Thu 1/22
1 adult, Economy
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Cheap flight deals from Illinois to Central America

Cheapest flights from Illinois to Central America
Explore the most affordable flight options available from Illinois to Central America. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 16, 2025.

This Mytrip deal was found by Cheapflights users on 12/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/319:09 pmORD - GUA
1 stop16h 24mMultiple Airlines
Sat 1/316:45 amGUA - ORD
1 stop8h 05mMultiple Airlines
Deal found 12/14$311
This Priceline deal was found by Cheapflights users on 12/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/312:35 pmORD - GUA
Nonstop4h 35mAvianca
Sat 1/316:45 amGUA - ORD
1 stop8h 05mAvianca
Deal found 12/14$338
This Expedia deal was found by Cheapflights users on 12/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/243:51 pmORD - GUA
1 stop26h 45mMultiple Airlines
Wed 1/72:38 pmGUA - ORD
1 stop23h 39mMultiple Airlines
Deal found 12/14$344
This Delta deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/1612:50 pmMDW - SJO
1 stop9h 30mDelta
Wed 12/242:21 pmSJO - MDW
1 stop8h 01mDelta
Deal found 12/15$358
This Delta deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/161:20 pmORD - SJO
1 stop9h 00mDelta
Wed 12/247:00 amSJO - ORD
1 stop12h 38mDelta
Deal found 12/15$358
This Delta deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/161:14 pmMDW - SJO
2 stops9h 06mDelta
Tue 12/232:21 pmSJO - MDW
1 stop8h 01mDelta
Deal found 12/15$362
This Delta deal was found by Cheapflights users on 12/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/166:45 amORD - SJO
2 stops15h 35mDelta
Thu 12/257:00 amSJO - ORD
1 stop12h 38mDelta
Deal found 12/14$362
This American Airlines deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/157:07 pmORD - SJO
1 stop25h 42mAmerican Airlines
Fri 12/197:00 amSJO - ORD
Nonstop5h 29mAmerican Airlines
Deal found 12/15$363
This American Airlines deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/177:15 amORD - BZE
1 stop7h 52mAmerican Airlines
Wed 12/244:29 pmBZE - ORD
1 stop16h 18mAmerican Airlines
Deal found 12/16$366
This Priceline deal was found by Cheapflights users on 12/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/313:32 pmMDW - GUA
1 stop18h 06mFrontier
Tue 1/68:11 pmGUA - MDW
1 stop17h 55mFrontier
Deal found 12/15$371
This American Airlines deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/168:45 pmORD - BZE
1 stop18h 22mAmerican Airlines
Tue 12/233:11 pmBZE - ORD
1 stop9h 32mAmerican Airlines
Deal found 12/16$374
This American Airlines deal was found by Cheapflights users on 12/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/157:07 pmORD - BZE
1 stop18h 20mAmerican Airlines
Thu 12/181:33 pmBZE - ORD
1 stop9h 42mAmerican Airlines
Deal found 12/14$376

Find flight deals from Illinois to Central America

Keep the following information in mind while searching for Illinois to Central America flight deals. Data was last updated December 16, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$205
(Kiwi.com)

One-way from

$62
(Booking.com)

Popular in

December

Cheapest in

September

Average price

$710

Good round-trip deal

$214 or less

Good one-way deal

$159 or less
Provider with most accurate pricing for Chicago (CHI)-San Salvador El Salvador Intl flight deals.
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Provider most trusted by Cheapflights users for Chicago (CHI)-San Salvador El Salvador Intl flights.
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From Illinois to Central America
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One-way flight from Illinois to Central America
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($80 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($26 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
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Price to beat on a round-trip flight from Illinois to Central America.
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Price to beat on a one-way flight from Illinois to Central America.
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Illinois to Central America 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 2,558,603 searches. Data last updated December 16, 2025.
Use the filters below to find and compare flights from Illinois to Central America that are best for you.

Fly from

Illinois

Fly to

Central America

Route

Depart

Return

Price

ChicagoSan Salvador

ORD - SAL

ORDSAL

Chicago O'Hare Intl

Sun 2/22

5:45 am-3:24 pm

1 stop9h 39m

San Salvador El Salvador Intl

Thu 3/5

6:55 am-12:26 am

1 stop17h 31m

$220

ChicagoSan Salvador

ORD - SAL

ORDSAL

Chicago O'Hare Intl

Thu 1/22

3:22 pm-10:28 am

1 stop19h 06m

San Salvador El Salvador Intl

Tue 1/27

4:02 pm-11:46 pm

1 stop7h 44m

$226

ChicagoGuatemala City

ORD - GUA

ORDGUA

Chicago O'Hare Intl

Sat 1/24

5:30 am-1:50 pm

1 stop8h 20m

Guatemala City La Aurora

Sat 1/31

3:20 pm-11:56 pm

1 stop8h 36m

$262

ChicagoSan Salvador

ORD - SAL

ORDSAL

Chicago O'Hare Intl

Mon 2/2

2:22 pm-11:37 pm

1 stop9h 15m

San Salvador El Salvador Intl

Wed 2/11

1:45 pm-12:04 am

1 stop10h 19m

$266

ChicagoGuatemala City

ORD - GUA

ORDGUA

Chicago O'Hare Intl

Sun 2/1

1:58 pm-12:45 pm

2 stops22h 47m

Guatemala City La Aurora

Sat 2/14

4:05 pm-11:57 pm

1 stop7h 52m

$266

ChicagoSan Salvador

ORD - SAL

ORDSAL

Chicago O'Hare Intl

Wed 2/4

2:22 pm-11:37 pm

1 stop9h 15m

San Salvador El Salvador Intl

Wed 2/18

1:45 pm-12:04 am

1 stop10h 19m

$266

ChicagoSan Salvador

ORD - SAL

ORDSAL

Chicago O'Hare Intl

Tue 1/13

2:13 pm-11:36 pm

1 stop9h 23m

San Salvador El Salvador Intl

Tue 1/20

8:36 am-12:24 am

1 stop15h 48m

$266

ChicagoSan Salvador

ORD - SAL

ORDSAL

Chicago O'Hare Intl

Thu 1/22

2:13 pm-11:36 pm

1 stop9h 23m

San Salvador El Salvador Intl

Mon 1/26

5:03 am-12:24 am

1 stop19h 21m

$266

ChicagoSan Salvador

ORD - SAL

ORDSAL

Chicago O'Hare Intl

Mon 1/19

3:22 pm-4:00 pm

1 stop24h 38m

San Salvador El Salvador Intl

Mon 2/2

12:05 pm-2:17 pm

1 stop26h 12m

$267

ChicagoSan Salvador

ORD - SAL

ORDSAL

Chicago O'Hare Intl

Wed 2/18

2:33 pm-5:45 am

1 stop15h 12m

San Salvador El Salvador Intl

Thu 2/26

2:50 pm-7:46 am

1 stop16h 56m

$272

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/13

Showing 1-10 of 60 results
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Best time to book a flight from Illinois to Central America

Have a flexible travel schedule? Discover the best time to fly to Central America from Illinois with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Illinois to Central America

What is the cheapest month to book a flight from Illinois to Central America?

Currently, November is the cheapest month in which you can book a flight from Illinois to Central America (average of $145). Flying from Illinois to Central America in March is currently the most expensive (average of $211). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from IL to CA?

Find hourly flight availability from Illinois to Central America. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 16, 2025.

A simple way to save on the total cost of your ticket is to fly from Illinois to Central America in the evening. If you’re flexible enough to do this you can expect to save up to 17% on your trip compared to booking a flight in the morning.

What is the cheapest day to fly from Illinois to Central America?

Use this chart to determine the cheapest time to fly round-trip from Illinois to Central America. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Illinois to Central America flight should consider departing on Sunday at noon when fares are most often at their lowest. Friday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Related info for your journey

Find useful and relevant information for your journey from Illinois to Central America. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Illinois to Central America?

    A quick flight from Illinois to Central America can take about 8h 20m. United Airlines provides one of the quickest options available for as low as $262. The distance between Illinois and Central America is about 1898 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from Illinois to Central America one-way?

    The cheapest airline one-way is Delta, with whom users have recently found tickets for as low as $61. However, be on the lookout for offers from Frontier and United Airlines, as they are both options that can get you from Illinois to Central America for a low price.

  • Can I find deals for flights from Illinois to Central America that include hotel bookings?

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

  • How can I find direct flights from Illinois to Central America?

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

  • Can I find deals for business class flights from Illinois to Central America?

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

  • What is the cheapest month to book a flight from Illinois to Central America?

    Currently, November is the cheapest month in which you can book a flight from Illinois to Central America (average of $145). Flying from Illinois to Central America in March is currently the most expensive (average of $211). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Illinois to Central America

See prices for flight routes from nearby airports that may be better suited for you.
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Top 9 airlines flying from Illinois to Central America

Discover the top 9 airlines that operate flights from Illinois to Central America. 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 2,558,603 searches. Data last updated December 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
Copa AirlinesCheapest$110Average$432FlexibilityNo cancel feeOn-time70%
Spirit AirlinesCheapest$112Average$447FlexibilityNo cancel feeOn-time65%
FrontierCheapest$149Average$552FlexibilityNo cancel feeOn-time62%
DeltaCheapest$180Average$678FlexibilityNo cancel feeOn-timeN/A
VolarisCheapest$195Average$266FlexibilityNo cancel feeOn-time79%
AviancaCheapest$195Average$459FlexibilityNo cancel feeOn-time71%
American AirlinesCheapest$216Average$652FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$241Average$663FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$394Average$668FlexibilityNo cancel feeOn-time63%

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