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$150+ Cheap flights from Santiago de los Caballeros (STI) to Illinois

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 12/30. Fares are subject to change and may not be available on all flights or dates of travel.
STI — ORD
Jan 2 — Jan 91
Fri 1/2
Fri 1/9
1 adult, Economy
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Cheap flight deals from Santiago de los Caballeros to Illinois

Cheapest flights from Santiago de los Caballeros to Illinois
Explore the most affordable flight options available from Santiago de los Caballeros to Illinois. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 3, 2025.

This JetBlue deal was found by Cheapflights users on 12/1. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/1512:52 pmSTI - ORD
1 stop11h 00mJetBlue
Sat 1/36:45 amORD - STI
1 stop11h 47mJetBlue
Deal found 12/1$294
This Kiwi.com deal was found by Cheapflights users on 12/2. 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.
Sun 12/213:43 amSTI - ORD
1 stop22h 47mSpirit Airlines
Mon 12/299:09 pmORD - STI
2 stops27h 33mSpirit Airlines
Deal found 12/2$493
This Mytrip deal was found by Cheapflights users on 12/2. 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.
Sun 12/213:43 amSTI - ORD
1 stop9h 31mMultiple Airlines
Mon 12/291:15 pmORD - STI
3 stops35h 27mMultiple Airlines
Deal found 12/2$565

Find flight deals from Santiago de los Caballeros to Illinois

Keep the following information in mind while searching for Santiago de los Caballeros to Illinois flight deals. Data was last updated December 3, 2025.

Round-trip from

$266
(JetBlue)

One-way from

$150
(JetBlue)

Popular in

April

Cheapest in

August

Average price

$552
From Santiago de los Caballeros to Illinois
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One-way flight from Santiago de los Caballeros to Illinois
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Highest demand for flights based on searches. 19% potential increase in price ($138 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($36 potential savings vs. average RT price).
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Average for round-trip flights in December 2025
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Santiago de los Caballeros to Illinois 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 3, 2025.
Use the filters below to find and compare flights from Santiago de los Caballeros to Illinois that are best for you.

Fly from

Santiago de los Caballeros

Fly to

Illinois

Route

Depart

Return

Price

Santiago de los CaballerosChicago

STI - ORD

STIORD

Santiago de los Caballeros

Sat 1/31

11:04 am-7:36 pm

1 stop10h 32m

Chicago O'Hare Intl

Tue 2/3

9:40 am-12:25 am

1 stop12h 45m

$266

Santiago de los CaballerosChicago

STI - ORD

STIORD

Santiago de los Caballeros

Sat 1/17

4:40 pm-11:46 pm

1 stop9h 06m

Chicago O'Hare Intl

Sat 1/24

5:15 am-3:33 pm

1 stop8h 18m

$277

Santiago de los CaballerosChicago

STI - ORD

STIORD

Santiago de los Caballeros

Mon 12/15

12:52 pm-9:52 pm

1 stop11h 00m

Chicago O'Hare Intl

Sat 1/3

6:45 am-8:32 pm

1 stop11h 47m

$294

Santiago de los CaballerosChicago

STI - ORD

STIORD

Santiago de los Caballeros

Tue 1/13

5:10 am-5:43 pm

1 stop14h 33m

Chicago O'Hare Intl

Tue 1/20

9:40 am-8:20 pm

1 stop8h 40m

$312

Santiago de los CaballerosChicago

STI - ORD

STIORD

Santiago de los Caballeros

Fri 1/16

4:40 pm-11:46 pm

1 stop9h 06m

Chicago O'Hare Intl

Fri 1/23

8:43 pm-3:33 pm

1 stop16h 50m

$322

Santiago de los CaballerosChicago

STI - ORD

STIORD

Santiago de los Caballeros

Sat 1/17

4:40 pm-11:46 pm

1 stop9h 06m

Chicago O'Hare Intl

Sat 1/24

9:40 am-5:04 pm

2 stops29h 24m

$356

Santiago de los CaballerosChicago

STI - ORD

STIORD

Santiago de los Caballeros

Tue 2/3

6:14 pm-7:36 pm

2 stops27h 22m

Chicago O'Hare Intl

Mon 2/23

5:15 am-3:35 pm

1 stop8h 20m

$368

Santiago de los CaballerosChicago

STI - ORD

STIORD

Santiago de los Caballeros

Tue 12/30

10:50 am-10:04 pm

1 stop13h 14m

$150

Santiago de los CaballerosChicago

STI - ORD

STIORD

Santiago de los Caballeros

Sun 12/21

3:43 am-12:30 am

1 stop22h 47m

$173

Santiago de los CaballerosChicago

STI - ORD

STIORD

Santiago de los Caballeros

Mon 12/22

3:34 pm-10:04 pm

1 stop8h 30m

$176

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/1

Showing 1-10 of 18 results
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Best time to book a flight from Santiago de los Caballeros to Illinois

Have a flexible travel schedule? Discover the best time to fly to Illinois from Santiago de los Caballeros 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 Santiago de los Caballeros to Illinois

What is the cheapest month to book a flight from Santiago de los Caballeros to Illinois?

Currently, August is the cheapest month in which you can book a flight from Santiago de los Caballeros to Illinois (average of $139). Flying from Santiago de los Caballeros to Illinois in June is currently the most expensive (average of $482). 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 STI to IL?

Find hourly flight availability from Santiago de los Caballeros to Illinois. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 3, 2025.

It’s optimal to fly from Santiago de los Caballeros to Illinois in the evening. By choosing this option you can save up to 5% on the cost of your flight, compared to a flight in the afternoon.

Related info for your journey

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

  • What airport do you fly from for flights from Santiago de los Caballeros to Illinois?

    For a flight from Santiago de los Caballeros to Illinois, you will be flying from Santiago. Santiago de los Caballeros (STI) is just 6.8 mi from the center of the city.

  • How long is the flight from Santiago de los Caballeros to Illinois?

    JetBlue and Spirit Airlines can get you from Santiago de los Caballeros to Illinois in just under 9h 06m. Your travel time can differ by up to 1h 26m. There are 1858 mi between Santiago de los Caballeros and Illinois. This flight may include one or multiple stops.

  • Can I find deals for flights from Santiago de los Caballeros to Illinois that include hotel bookings?

    Yes. In addition to deals on Santiago de los Caballeros to Illinois flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Santiago de los Caballeros to Illinois?

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

  • Can I find deals for business class flights from Santiago de los Caballeros to Illinois?

    Yes. Cheapflights offers flight deals from Santiago de los Caballeros to Illinois 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 Santiago de los Caballeros to Illinois?

    Currently, August is the cheapest month in which you can book a flight from Santiago de los Caballeros to Illinois (average of $139). Flying from Santiago de los Caballeros to Illinois in June is currently the most expensive (average of $482). 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 Santiago de los Caballeros to Illinois

See prices for flight routes from nearby airports that may be better suited for you.
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