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Santiago de los Caballeros

$185+ Cheap flights from Illinois to Santiago de los Caballeros (STI)

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 5/3. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — STI
Apr 30 — May 71
Wed 4/30
Wed 5/7
1 adult, Economy
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Cheap flight deals from Illinois to Santiago de los Caballeros

Keep the following information in mind while searching for Illinois to Santiago de los Caballeros flight deals. Data was last updated April 25, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$393
(Delta)

One-way from

$185
(Delta)

Popular in

December

Cheapest in

September

Average price

$526
Provider with most accurate pricing for Chicago (CHI)-Santiago de los Caballeros flight deals.
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Provider most trusted by Cheapflights users for Chicago (CHI)-Santiago de los Caballeros flights.
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From Illinois to Santiago de los Caballeros
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One-way flight from Illinois to Santiago de los Caballeros
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Highest demand for flights based on searches. 8% potential increase in price ($54 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($20 potential savings vs. average RT price).
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Average for round-trip flights in April 2025
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Find flight deals from Illinois to Santiago de los Caballeros

Cheapest flights from Illinois to Santiago de los Caballeros
Explore the most affordable flight options available from Illinois to Santiago de los Caballeros. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 25, 2025.

This Delta deal was found by Cheapflights users on 4/25. 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 5/510:37 amORD - STI
1 stop7h 04mDelta
Mon 5/196:11 amSTI - ORD
1 stop12h 18mDelta
Deal found 4/25$393
This American Airlines deal was found by Cheapflights users on 4/25. 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 7/228:00 amORD - STI
2 stops12h 10mAmerican Airlines
Sat 7/261:40 pmSTI - ORD
1 stop8h 31mAmerican Airlines
Deal found 4/25$412
This Cheapflightsfares deal was found by Cheapflights users on 4/24. 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 9/26:34 pmORD - STI
1 stop15h 50mSpirit Airlines
Sun 9/1412:19 pmSTI - ORD
1 stop9h 21mSpirit Airlines
Deal found 4/24$454
This JetBlue deal was found by Cheapflights users on 4/24. 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.
Wed 6/48:45 amORD - STI
1 stop14h 59mJetBlue
Wed 6/1110:00 amSTI - ORD
1 stop13h 00mJetBlue
Deal found 4/24$459
This Kiwi.com deal was found by Cheapflights users on 4/25. 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 5/1111:30 amORD - STI
1 stop29h 03mMultiple Airlines
Sun 5/183:53 pmSTI - ORD
1 stop17h 57mMultiple Airlines
Deal found 4/25$502
This American Airlines deal was found by Cheapflights users on 4/25. 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 6/115:25 amSTL - STI
1 stop14h 40mAmerican Airlines
Sun 7/67:04 amSTI - STL
1 stop18h 25mAmerican Airlines
Deal found 4/25$665
This Mytrip deal was found by Cheapflights users on 4/24. 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 6/85:50 pmMDW - STI
3 stops43h 58mMultiple Airlines
Sun 6/1511:29 amSTI - MDW
2 stops33h 17mMultiple Airlines
Deal found 4/24$724
This Delta deal was found by Cheapflights users on 4/24. 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.
Sat 6/712:48 pmMDW - STI
2 stops10h 26mDelta
Sat 6/146:03 amSTI - MDW
2 stops16h 42mDelta
Deal found 4/24$1,096

Cheapflights Fare Finder

Customize your flight search to find flights from Illinois to Santiago de los Caballeros 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 April 25, 2025.
Use the filters below to find and compare flights from Illinois to Santiago de los Caballeros that are best for you.

Fly from

Illinois

Fly to

Santiago de los Caballeros

Route

Depart

Return

Price

ChicagoSantiago de los Caballeros

ORD - STI

ORDSTI

Chicago O'Hare Intl

Mon 5/5

10:37 am-6:41 pm

1 stop7h 04m

Santiago de los Caballeros

Mon 5/19

6:11 am-5:29 pm

1 stop12h 18m

$393

ChicagoSantiago de los Caballeros

ORD - STI

ORDSTI

Chicago O'Hare Intl

Tue 7/22

8:00 am-9:10 pm

2 stops12h 10m

Santiago de los Caballeros

Sat 7/26

1:40 pm-9:11 pm

1 stop8h 31m

$412

ChicagoSantiago de los Caballeros

ORD - STI

ORDSTI

Chicago O'Hare Intl

Wed 6/4

8:45 am-12:44 am

1 stop14h 59m

Santiago de los Caballeros

Wed 6/11

10:00 am-10:00 pm

1 stop13h 00m

$459

ChicagoSantiago de los Caballeros

ORD - STI

ORDSTI

Chicago O'Hare Intl

Sun 6/8

5:05 am-2:48 pm

1 stop8h 43m

Santiago de los Caballeros

Sun 6/15

11:29 am-11:45 pm

1 stop13h 16m

$460

ChicagoSantiago de los Caballeros

ORD - STI

ORDSTI

Chicago O'Hare Intl

Sun 5/11

11:30 am-5:33 pm

1 stop29h 03m

Santiago de los Caballeros

Sun 5/18

3:53 pm-8:50 am

1 stop17h 57m

$502

St. LouisSantiago de los Caballeros

STL - STI

STLSTI

Lambert-St Louis

Wed 6/11

5:25 am-9:05 pm

1 stop14h 40m

Santiago de los Caballeros

Sun 7/6

7:04 am-12:29 am

1 stop18h 25m

$665

ChicagoSantiago de los Caballeros

MDW - STI

MDWSTI

Chicago Midway

Sun 6/8

5:50 pm-2:48 pm

3 stops43h 58m

Santiago de los Caballeros

Sun 6/15

11:29 am-7:46 pm

2 stops33h 17m

$724

ChicagoSantiago de los Caballeros

MDW - STI

MDWSTI

Chicago Midway

Sat 6/7

12:48 pm-12:14 am

2 stops10h 26m

Santiago de los Caballeros

Sat 6/14

6:03 am-9:45 pm

2 stops16h 42m

$1,096

ChicagoSantiago de los Caballeros

MDW - STI

MDWSTI

Chicago Midway

Sat 5/3

9:52 am-12:27 am

2 stops13h 35m

$185

ChicagoSantiago de los Caballeros

ORD - STI

ORDSTI

Chicago O'Hare Intl

Sat 5/3

2:00 pm-12:27 am

1 stop9h 27m

$185

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/24

Showing 1-10 of 14 results
1
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Best time to book a flight from Illinois to Santiago de los Caballeros

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

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

Currently, May is the cheapest month in which you can book a flight from Illinois to Santiago de los Caballeros (average of $347). Flying from Illinois to Santiago de los Caballeros in July is currently the most expensive (average of $631). 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 STI?

Find hourly flight availability from Illinois to Santiago de los Caballeros. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 25, 2025.

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

Rainfall in Santiago de los Caballeros by month

Plan your trip to Santiago de los Caballeros by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Santiago de los Caballeros ranges from 3.0 - 11.6 inches per month. December is typically the wettest month, when rainfall can reach 11.6 in. July is typically the driest time to visit Santiago de los Caballeros when rainfall is around 3.0 in.

Temperature in Santiago de los Caballeros by month

Plan your trip to Santiago de los Caballeros by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Santiago de los Caballeros, use this chart to help with planning. For those seeking warmer temperatures, June is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 73.4 F).

Reviews of airlines servicing Santiago de los Caballeros

Get insights into the airlines that provide service to Santiago de los Caballeros. 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 Santiago de los Caballeros. Reviews last updated April 25, 2025.
Read reviews from past customers who have flown Delta, JetBlue and American Airlines from Illinois to Santiago de los Caballeros. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,920 reviews

Entertainment

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,920 reviews
Delta
8.0
Very good
7,920 reviews

Entertainment

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
JetBlue
7.3
Good
2,922 reviews
Delta
8.0
Very good
7,920 reviews

Entertainment

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,920 reviews

Entertainment

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Spirit Airlines
6.3
Okay
7,943 reviews
Delta
8.0
Very good
7,920 reviews

Entertainment

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Find useful and relevant information for your journey from Illinois to Santiago de los Caballeros. 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 into for flights to Santiago de los Caballeros from Illinois?

    Santiago de los Caballeros (STI) is the airport you will fly into if you book a flight from Illinois to Santiago de los Caballeros. It is only a 6.8 mi journey from Santiago (STI) to Santiago de los Caballeros’s city center.

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

    The cheapest airlines for a one-way flight from Illinois to Santiago de los Caballeros are Delta ($185), Spirit Airlines ($217), and American Airlines ($232).

  • What are the most popular routes from Illinois to Santiago de los Caballeros?

    The most popular flight routes from Illinois to Santiago de los Caballeros are Chicago O'Hare Intl - Santiago de los Caballeros, Chicago Midway - Santiago de los Caballeros and Lambert-St Louis - Santiago de los Caballeros.

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

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

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

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

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

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

    Currently, May is the cheapest month in which you can book a flight from Illinois to Santiago de los Caballeros (average of $347). Flying from Illinois to Santiago de los Caballeros in July is currently the most expensive (average of $631). 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 Santiago de los Caballeros

See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from Illinois to Santiago de los Caballeros

Discover the top 4 airlines that operate flights from Illinois to Santiago de los Caballeros. 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 April 25, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$226Average$662FlexibilityNo cancel feeOn-time69%
JetBlueCheapest$343Average$472FlexibilityNo cancel feeOn-time62%
DeltaCheapest$345Average$437FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$395Average$772FlexibilityNo cancel feeOn-time71%

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