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$214+ 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 7/14. Fares are subject to change and may not be available on all flights or dates of travel.
STI — ORD
Jun 23 — Jun 301
Mon 6/23
Mon 6/30
1 adult, Economy
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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 June 18, 2025.

Round-trip from

$366
(Cheapflightsfares)

One-way from

$229
(Cheapflightsfares)

Popular in

April

Cheapest in

July

Average price

$860
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. 14% potential increase in price ($106 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($32 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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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 June 18, 2025.

This Cheapflightsfares deal was found by Cheapflights users on 6/16. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/910:55 amSTI - ORD
1 stop13h 18mSpirit Airlines
Thu 8/216:50 pmORD - STI
1 stop13h 25mSpirit Airlines
Deal found 6/16$366
This Delta deal was found by Cheapflights users on 6/17. 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.
Mon 9/159:20 pmSTI - ORD
2 stops17h 53mDelta
Tue 9/307:00 amORD - STI
2 stops11h 54mDelta
Deal found 6/17$445
This American Airlines deal was found by Cheapflights users on 6/16. 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.
Thu 6/267:05 amSTI - ORD
1 stop17h 46mAmerican Airlines
Sun 6/296:00 amORD - STI
1 stop14h 05mAmerican Airlines
Deal found 6/16$576
This JetBlue deal was found by Cheapflights users on 6/16. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/82:17 amSTI - ORD
1 stop10h 01mJetBlue
Thu 8/216:00 amORD - STI
1 stop12h 34mJetBlue
Deal found 6/16$675
This United Airlines deal was found by Cheapflights users on 6/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/86:00 amSTI - ORD
1 stop9h 55mUnited Airlines
Wed 10/157:10 amORD - STI
1 stop7h 02mUnited Airlines
Deal found 6/17$1,339

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 June 18, 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

Wed 7/9

10:55 am-11:13 pm

1 stop13h 18m

Chicago O'Hare Intl

Thu 8/21

6:50 pm-9:15 am

1 stop13h 25m

$366

Santiago de los CaballerosChicago

STI - ORD

STIORD

Santiago de los Caballeros

Mon 9/15

9:20 pm-2:13 pm

2 stops17h 53m

Chicago O'Hare Intl

Tue 9/30

10:40 am-7:54 pm

1 stop8h 14m

$445

Santiago de los CaballerosChicago

STI - ORD

STIORD

Santiago de los Caballeros

Tue 7/8

2:17 am-11:18 am

1 stop10h 01m

Chicago O'Hare Intl

Thu 8/21

6:00 am-7:34 pm

1 stop12h 34m

$675

Santiago de los CaballerosChicago

STI - ORD

STIORD

Santiago de los Caballeros

Wed 10/8

6:00 am-1:06 pm

1 stop8h 06m

Chicago O'Hare Intl

Wed 10/15

7:10 am-3:12 pm

1 stop7h 02m

$1,339

Santiago de los CaballerosChicago

STI - ORD

STIORD

Santiago de los Caballeros

Wed 10/8

1:41 pm-10:34 pm

1 stop9h 53m

Chicago O'Hare Intl

Wed 10/15

8:45 pm-12:17 pm

2 stops14h 32m

$2,047

Santiago de los CaballerosChicago

STI - ORD

STIORD

Santiago de los Caballeros

Mon 7/14

10:55 am-11:53 pm

1 stop13h 58m

$214

Santiago de los CaballerosChicago

STI - ORD

STIORD

Santiago de los Caballeros

Sun 7/13

2:17 am-11:19 am

1 stop10h 02m

$241

Santiago de los CaballerosChicago

STI - ORD

STIORD

Santiago de los Caballeros

Tue 6/24

7:05 am-9:10 pm

1 stop15h 05m

$244

Santiago de los CaballerosChicago

STI - ORD

STIORD

Santiago de los Caballeros

Tue 6/24

6:03 am-9:24 pm

2 stops16h 21m

$245

Santiago de los CaballerosChicago

STI - ORD

STIORD

Santiago de los Caballeros

Fri 8/8

2:06 pm-8:55 am

2 stops19h 49m

$291

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/18

Showing 1-10 of 11 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 $245). Flying from Santiago de los Caballeros to Illinois in March is currently the most expensive (average of $321). 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 June 18, 2025.

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

Rainfall in Illinois by month

Plan your trip to Illinois by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Illinois ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Illinois when rainfall is around 1.7 in.

Temperature in Illinois by month

Plan your trip to Illinois by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Illinois, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

Reviews of airlines servicing Illinois

Get insights into the airlines that provide service to Illinois. 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 Illinois. Reviews last updated June 18, 2025.
Get a feel of what it's like to fly with Delta, JetBlue and American Airlines from Santiago de los Caballeros to Illinois by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,964 reviews

Food

7.3

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,964 reviews
Delta
8.0
Very good
7,964 reviews

Food

7.3

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
JetBlue
7.3
Good
2,923 reviews
Delta
8.0
Very good
7,964 reviews

Food

7.3

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,964 reviews

Food

7.3

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Spirit Airlines
6.3
Okay
8,064 reviews
Delta
8.0
Very good
7,964 reviews

Food

7.3

Overall

8.0

Boarding

8.2

Comfort

7.9

Crew

8.5

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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.

  • 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 Spirit Airlines ($229), American Airlines ($244), and Delta ($245).

  • 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 $245). Flying from Santiago de los Caballeros to Illinois in March is currently the most expensive (average of $321). 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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Top airline flying from Santiago de los Caballeros to Illinois

Discover the top airline that operate flights from Santiago de los Caballeros to Illinois. 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 June 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$427Average$638FlexibilityNo cancel feeOn-time71%

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