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Central America

$67+ 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 2/24. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — SJO
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
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 January 29, 2026.

This Orbitz deal was found by Cheapflights users on 1/28. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/245:15 am
ORD
-
SAL
1 stop9h 41m
Spirit Airlines
Tue 3/34:02 pm
SAL
-
ORD
1 stop7h 45m
Spirit Airlines
Deal found 1/28$175
This Expedia deal was found by Cheapflights users on 1/28. 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.
Sat 2/215:05 am
ORD
-
SAL
1 stop8h 06m
Multiple Airlines
Tue 3/34:02 pm
SAL
-
ORD
1 stop7h 45m
Multiple Airlines
Deal found 1/28$201
This Mytrip deal was found by Cheapflights users on 1/26. 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.
Mon 2/239:18 am
ORD
-
SAL
1 stop13h 01m
Multiple Airlines
Tue 3/34:02 pm
SAL
-
ORD
1 stop7h 45m
Multiple Airlines
Deal found 1/26$208
This Cheapflightsfares deal was found by Cheapflights users on 1/26. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/35:15 am
ORD
-
SAL
1 stop9h 37m
Spirit Airlines
Tue 2/104:02 pm
SAL
-
ORD
1 stop7h 45m
Spirit Airlines
Deal found 1/26$216
This Orbitz deal was found by Cheapflights users on 1/26. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/225:15 am
ORD
-
SAL
1 stop9h 41m
Spirit Airlines
Tue 3/34:02 pm
SAL
-
ORD
1 stop7h 45m
Spirit Airlines
Deal found 1/26$218
This Kiwi.com deal was found by Cheapflights users on 1/26. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/214:42 pm
ORD
-
SAL
1 stop20h 29m
Frontier
Sun 3/12:16 pm
SAL
-
ORD
1 stop20h 35m
Frontier
Deal found 1/26$221
This Mytrip deal was found by Cheapflights users on 1/26. 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.
Mon 2/236:51 pm
ORD
-
SAL
2 stops20h 05m
Spirit Airlines
Tue 3/34:02 pm
SAL
-
ORD
1 stop7h 45m
Spirit Airlines
Deal found 1/26$224
This Cheapflightsfares deal was found by Cheapflights users on 1/27. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/265:15 am
ORD
-
SAL
1 stop9h 41m
Spirit Airlines
Tue 3/103:01 pm
SAL
-
ORD
1 stop7h 46m
Spirit Airlines
Deal found 1/27$233
This Expedia deal was found by Cheapflights users on 1/27. 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.
Sat 2/288:16 pm
ORD
-
GUA
1 stop16h 08m
Spirit Airlines
Sat 3/71:28 pm
GUA
-
ORD
1 stop7h 45m
Spirit Airlines
Deal found 1/27$248
This Cheapflightsfares deal was found by Cheapflights users on 1/27. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/215:15 am
ORD
-
GUA
1 stop7h 09m
Spirit Airlines
Wed 2/251:28 pm
GUA
-
ORD
1 stop10h 19m
Spirit Airlines
Deal found 1/27$249
This FlightHub deal was found by Cheapflights users on 1/27. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/265:15 am
ORD
-
GUA
1 stop7h 09m
Spirit Airlines
Thu 3/51:28 pm
GUA
-
ORD
1 stop7h 45m
Spirit Airlines
Deal found 1/27$251
This Cheapflightsfares deal was found by Cheapflights users on 1/27. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/115:15 am
ORD
-
GUA
1 stop7h 09m
Spirit Airlines
Tue 3/1712:59 am
GUA
-
ORD
1 stop16h 22m
Spirit Airlines
Deal found 1/27$252

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 January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$175
(Orbitz)

One-way from

$67
(Cheapflightsfares)

Popular in

December

Cheapest in

September

Average price

$338

Good round-trip deal

$314 or less

Good one-way deal

$124 or less
Provider with most accurate pricing for Chicago (CHI)-San Salvador El Salvador Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Chicago (CHI)-San Salvador El Salvador Intl flights.
Search Deals
From Illinois to Central America
Search Deals
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. 5% potential price decrease ($24 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals
Price to beat on a round-trip flight from Illinois to Central America.
Search Deals
Price to beat on a one-way flight from Illinois to Central America.
Search Deals

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 January 29, 2026.
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

Sat 2/21

5:05 am-1:11 pm

1 stop8h 06m

San Salvador El Salvador Intl

Tue 3/3

4:02 pm-11:47 pm

1 stop7h 45m

$201

ChicagoSan Salvador

ORD - SAL

ORDSAL

Chicago O'Hare Intl

Mon 2/23

8:16 pm-2:56 pm

1 stop18h 40m

San Salvador El Salvador Intl

Tue 3/3

4:02 pm-11:47 pm

1 stop7h 45m

$226

ChicagoSan Salvador

ORD - SAL

ORDSAL

Chicago O'Hare Intl

Tue 5/26

7:30 am-6:58 pm

1 stop12h 28m

San Salvador El Salvador Intl

Mon 6/1

6:00 am-12:45 am

1 stop17h 45m

$241

ChicagoGuatemala City

ORD - GUA

ORDGUA

Chicago O'Hare Intl

Wed 5/13

3:21 pm-8:47 am

1 stop18h 26m

Guatemala City La Aurora

Wed 5/27

10:35 am-1:15 am

1 stop13h 40m

$257

ChicagoSan Salvador

ORD - SAL

ORDSAL

Chicago O'Hare Intl

Tue 3/17

7:17 am-1:48 pm

1 stop7h 31m

San Salvador El Salvador Intl

Tue 4/7

2:53 pm-11:21 am

1 stop19h 28m

$258

ChicagoGuatemala City

ORD - GUA

ORDGUA

Chicago O'Hare Intl

Wed 4/15

3:21 pm-9:36 am

1 stop19h 15m

Guatemala City La Aurora

Wed 4/22

6:24 am-1:13 am

2 stops17h 49m

$265

ChicagoGuatemala City

ORD - GUA

ORDGUA

Chicago O'Hare Intl

Fri 4/17

3:21 pm-9:36 am

1 stop19h 15m

Guatemala City La Aurora

Tue 4/21

6:24 am-1:58 pm

2 stops30h 34m

$265

ChicagoGuatemala City

ORD - GUA

ORDGUA

Chicago O'Hare Intl

Wed 4/8

3:21 pm-9:36 am

1 stop19h 15m

Guatemala City La Aurora

Mon 4/13

6:24 am-1:58 pm

2 stops30h 34m

$265

ChicagoSan Salvador

ORD - SAL

ORDSAL

Chicago O'Hare Intl

Sun 2/22

7:00 am-2:56 pm

1 stop7h 56m

San Salvador El Salvador Intl

Tue 3/3

4:02 pm-5:46 pm

2 stops25h 44m

$266

ChicagoGuatemala City

ORD - GUA

ORDGUA

Chicago O'Hare Intl

Fri 5/1

3:21 pm-10:44 pm

1 stop8h 23m

Guatemala City La Aurora

Sun 5/10

10:35 am-1:15 am

1 stop13h 40m

$268

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/26

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, January is the cheapest month in which you can book a flight from Illinois to Central America (average of $93). Flying from Illinois to Central America in February is currently the most expensive (average of $207). 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 January 29, 2026.

A simple way to save on the total cost of your ticket is to fly from Illinois to Central America in the afternoon. If you’re flexible enough to do this you can expect to save up to 30% 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 January 24, 2026.

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

Weekly flight availability from Illinois to Central America

Explore weekly flight availability from Illinois to Central America. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated January 29, 2026.

The most flights from USIL to 0CA are scheduled on a Monday (2 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (1 on average).

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 12h 28m. Spirit Airlines provides one of the quickest options available for as low as $241. The distance between Illinois and Central America is about 1971 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 Frontier, with whom users have recently found tickets for as low as $66. However, be on the lookout for offers from United Airlines and Avianca, 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, January is the cheapest month in which you can book a flight from Illinois to Central America (average of $93). Flying from Illinois to Central America in February is currently the most expensive (average of $207). 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 January 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$108Average$668FlexibilityNo cancel feeOn-timeN/A
Copa AirlinesCheapest$110Average$389FlexibilityNo cancel feeOn-time70%
FrontierCheapest$126Average$552FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$130Average$437FlexibilityNo cancel feeOn-time65%
AviancaCheapest$163Average$437FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$164Average$644FlexibilityNo cancel feeOn-time69%
VolarisCheapest$180Average$247FlexibilityNo cancel feeOn-time79%
American AirlinesCheapest$216Average$632FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$394Average$665FlexibilityNo cancel feeOn-time63%

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