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$224+ 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 12/25. Fares are subject to change and may not be available on all flights or dates of travel.
STI — ORD
Nov 15 — Nov 221
Sat 11/15
Sat 11/22
1 adult, Economy
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Find 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 October 16, 2025.

This Kiwi.com deal was found by Cheapflights users on 10/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/191:17 pmSTI - ORD
1 stop29h 08mMultiple Airlines
Thu 11/278:45 amORD - STI
1 stop25h 37mMultiple Airlines
Deal found 10/15$341
This Kiwi.com deal was found by Cheapflights users on 10/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/151:17 pmSTI - ORD
1 stop13h 10mMultiple Airlines
Thu 11/278:45 amORD - STI
1 stop25h 37mMultiple Airlines
Deal found 10/15$353
This Kiwi.com deal was found by Cheapflights users on 10/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/191:17 pmSTI - ORD
1 stop29h 08mMultiple Airlines
Wed 11/263:43 pmORD - STI
1 stop18h 39mMultiple Airlines
Deal found 10/15$357
This Kiwi.com deal was found by Cheapflights users on 10/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/141:17 pmSTI - ORD
1 stop23h 55mSpirit Airlines
Mon 11/243:43 pmORD - STI
1 stop18h 39mSpirit Airlines
Deal found 10/15$362
This Kiwi.com deal was found by Cheapflights users on 10/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/141:17 pmSTI - ORD
1 stop23h 55mSpirit Airlines
Wed 11/263:43 pmORD - STI
1 stop18h 39mSpirit Airlines
Deal found 10/15$366
This Delta deal was found by Cheapflights users on 10/15. 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.
Thu 11/209:01 pmSTI - ORD
1 stop14h 54mDelta
Mon 11/241:25 pmORD - STI
1 stop9h 34mDelta
Deal found 10/15$368
This Delta deal was found by Cheapflights users on 10/15. 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 11/186:40 amSTI - ORD
1 stop13h 13mDelta
Sun 11/2310:35 amORD - STI
1 stop12h 24mDelta
Deal found 10/15$369
This Kiwi.com deal was found by Cheapflights users on 10/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/141:17 pmSTI - ORD
1 stop9h 10mMultiple Airlines
Thu 11/278:45 amORD - STI
1 stop25h 37mMultiple Airlines
Deal found 10/15$370
This Kiwi.com deal was found by Cheapflights users on 10/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/171:17 pmSTI - ORD
2 stops12h 54mMultiple Airlines
Thu 11/278:45 amORD - STI
1 stop25h 37mMultiple Airlines
Deal found 10/15$374
This Kiwi.com deal was found by Cheapflights users on 10/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/171:17 pmSTI - ORD
2 stops12h 54mMultiple Airlines
Mon 11/243:43 pmORD - STI
1 stop18h 39mMultiple Airlines
Deal found 10/15$383
This Kiwi.com deal was found by Cheapflights users on 10/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/151:17 pmSTI - ORD
2 stops12h 12mMultiple Airlines
Mon 11/243:43 pmORD - STI
1 stop18h 39mMultiple Airlines
Deal found 10/15$384

Cheap 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 October 16, 2025.

Round-trip from

$341
(Kiwi.com)

One-way from

$224
(Delta)

Popular in

April

Cheapest in

July

Average price

$552
From Santiago de los Caballeros to Illinois
Search Deals
One-way flight from Santiago de los Caballeros to Illinois
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($97 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($31 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
Search Deals

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 October 16, 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

Fri 11/14

1:17 pm-11:12 am

1 stop23h 55m

Chicago O'Hare Intl

Mon 11/24

3:43 pm-12:22 pm

1 stop18h 39m

$362

Santiago de los CaballerosChicago

STI - ORD

STIORD

Santiago de los Caballeros

Mon 11/17

1:17 pm-9:47 am

1 stop22h 30m

Chicago O'Hare Intl

Mon 11/24

3:43 pm-12:22 pm

1 stop18h 39m

$362

Santiago de los CaballerosChicago

STI - ORD

STIORD

Santiago de los Caballeros

Sat 11/15

1:17 pm-12:27 am

1 stop13h 10m

Chicago O'Hare Intl

Wed 11/26

3:43 pm-12:22 pm

1 stop18h 39m

$366

Santiago de los CaballerosChicago

STI - ORD

STIORD

Santiago de los Caballeros

Thu 11/20

9:01 pm-9:55 am

1 stop14h 54m

Chicago O'Hare Intl

Mon 11/24

1:25 pm-12:59 am

1 stop9h 34m

$368

Santiago de los CaballerosChicago

STI - ORD

STIORD

Santiago de los Caballeros

Tue 11/18

6:40 am-6:52 pm

2 stops14h 12m

Chicago O'Hare Intl

Mon 11/24

10:46 am-12:59 am

2 stops12h 13m

$369

Santiago de los CaballerosChicago

STI - ORD

STIORD

Santiago de los Caballeros

Wed 11/19

6:40 am-4:24 pm

2 stops11h 44m

Chicago O'Hare Intl

Thu 11/27

7:00 am-12:59 am

1 stop15h 59m

$369

Santiago de los CaballerosChicago

STI - ORD

STIORD

Santiago de los Caballeros

Tue 11/18

6:40 am-4:24 pm

2 stops11h 44m

Chicago O'Hare Intl

Thu 11/27

7:00 am-12:59 am

1 stop15h 59m

$369

Santiago de los CaballerosChicago

STI - ORD

STIORD

Santiago de los Caballeros

Tue 11/18

6:40 am-4:24 pm

2 stops11h 44m

Chicago O'Hare Intl

Sun 11/23

6:45 am-12:59 am

2 stops16h 14m

$369

Santiago de los CaballerosChicago

STI - ORD

STIORD

Santiago de los Caballeros

Wed 11/19

6:40 am-4:24 pm

2 stops11h 44m

Chicago O'Hare Intl

Sun 11/23

6:45 am-12:59 am

2 stops16h 14m

$369

Santiago de los CaballerosChicago

STI - ORD

STIORD

Santiago de los Caballeros

Thu 12/25

3:30 am-11:52 am

1 stop10h 22m

$224

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/16

Showing 1-10 of 19 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 $142). 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 October 16, 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?

    Spirit Airlines and Delta can get you from Santiago de los Caballeros to Illinois in just under 14h 54m. Your travel time can differ by up to 9h 01m. There are 1858 mi between Santiago de los Caballeros and Illinois. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Santiago de los Caballeros to Illinois one-way?

    The cheapest airlines for a one-way flight from Santiago de los Caballeros to Illinois are Delta ($224), American Airlines ($234), and Spirit Airlines ($312).

  • 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 $142). 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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