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Cheap flights from Illinois to Santiago de los Caballeros from $161

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to Santiago de los Caballeros departing on 5/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Illinois to Santiago de los Caballeros

Cheap round-trip flights

Enter your travel dates to find the best prices.
Spirit Airlines Logo
7:15 pm - 2:02 pm
ORD
-
STI
17h 47m
1 stop
Spirit Airlines Logo
3:17 pm - 11:15 pm
STI
-
ORD
8h 58m
1 stop
$344Spirit Airlines
lø., mai 2 - lø., mai 9
Multiple Airlines Logo
1:27 pm - 2:02 pm
ORD
-
STI
23h 35m
1 stop
Multiple Airlines Logo
4:15 pm - 11:19 am
STI
-
ORD
20h 04m
1 stop
$362Multiple Airlines
lø., mai 2 - ma., mai 4
Spirit Airlines Logo
7:15 pm - 2:02 pm
ORD
-
STI
17h 47m
1 stop
Spirit Airlines Logo
4:15 pm - 11:19 am
STI
-
ORD
20h 04m
1 stop
$370Spirit Airlines
on., apr. 29 - ma., mai 4
Spirit Airlines Logo
5:05 am - 2:02 pm
ORD
-
STI
7h 57m
1 stop
Spirit Airlines Logo
4:15 pm - 11:19 am
STI
-
ORD
20h 04m
1 stop
$386Spirit Airlines
to., apr. 30 - ma., mai 4
Multiple Airlines Logo
1:27 pm - 2:02 pm
ORD
-
STI
23h 35m
1 stop
Multiple Airlines Logo
4:15 pm - 7:55 am
STI
-
ORD
16h 40m
2 stops
$391Multiple Airlines
lø., mai 2 - ma., mai 4
Multiple Airlines Logo
7:15 pm - 2:02 pm
ORD
-
STI
17h 47m
1 stop
Multiple Airlines Logo
4:15 pm - 7:55 am
STI
-
ORD
16h 40m
2 stops
$398Multiple Airlines
on., apr. 29 - ma., mai 4
Delta Logo
9:27 am - 12:22 am
MDW
-
STI
13h 55m
2 stops
Delta Logo
6:00 am - 6:33 pm
STI
-
MDW
13h 33m
2 stops
$517Delta
fr., mai 1 - fr., mai 8
Delta Logo
1:24 pm - 12:22 am
MDW
-
STI
9h 58m
2 stops
Delta Logo
8:59 pm - 12:42 pm
STI
-
MDW
16h 43m
2 stops
$527Delta
fr., mai 1 - fr., mai 8
American Airlines Logo
5:15 am - 9:13 pm
STL
-
STI
14h 58m
1 stop
American Airlines Logo
1:21 pm - 11:59 pm
STI
-
STL
11h 38m
1 stop
$610American Airlines
to., mai 28 - ti., jun. 2
American Airlines Logo
5:15 am - 9:13 pm
STL
-
STI
14h 58m
1 stop
American Airlines Logo
9:06 am - 8:52 pm
STI
-
STL
12h 46m
2 stops
$615American Airlines
to., mai 28 - ti., jun. 2

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Spirit Airlines flights from Illinois to Santiago de los Caballeros

Our best Spirit Airlines deals on Illinois to Santiago de los Caballeros flight tickets
Spirit Airlines
May 2
ORD7:15 pmChicago O'Hare Intl
17h 47m
1 stop
STI2:02 pmSantiago de los Caballeros
May 9
STI3:17 pmSantiago de los Caballeros
8h 58m
1 stop
ORD11:15 pmChicago O'Hare Intl
$344
Spirit Airlines
Apr 29
ORD7:15 pmChicago O'Hare Intl
17h 47m
1 stop
STI2:02 pmSantiago de los Caballeros
May 4
STI4:15 pmSantiago de los Caballeros
20h 04m
1 stop
ORD11:19 amChicago O'Hare Intl
$370
Spirit Airlines
Apr 30
ORD5:05 amChicago O'Hare Intl
7h 57m
1 stop
STI2:02 pmSantiago de los Caballeros
May 4
STI4:15 pmSantiago de los Caballeros
20h 04m
1 stop
ORD11:19 amChicago O'Hare Intl
$386

Delta flights from Illinois to Santiago de los Caballeros

Our best Delta deals on Illinois to Santiago de los Caballeros flight tickets
Delta
May 4
ORD6:04 amChicago O'Hare Intl
12h 29m
1 stop
STI7:33 pmSantiago de los Caballeros
May 7
STI8:59 pmSantiago de los Caballeros
13h 45m
1 stop
ORD9:44 amChicago O'Hare Intl
$446
Delta
May 4
ORD8:15 amChicago O'Hare Intl
15h 07m
2 stops
STI12:22 amSantiago de los Caballeros
May 7
STI6:00 amSantiago de los Caballeros
11h 29m
2 stops
ORD4:29 pmChicago O'Hare Intl
$451
Delta
May 11
ORD6:07 amChicago O'Hare Intl
12h 22m
1 stop
STI7:29 pmSantiago de los Caballeros
May 15
STI6:00 amSantiago de los Caballeros
16h 36m
1 stop
ORD9:36 pmChicago O'Hare Intl
$466

momondo 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, momondo users made 832,500 searches. Data last updated april 16, 2026.
Use the filters below to find and compare flights from Illinois to Santiago de los Caballeros that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoSantiago de los Caballeros

ORD - STI

ORDSTI

Chicago O'Hare Intl

lø. 5/2

7:15 pm-2:02 pm

1 stop17h 47m

Santiago de los Caballeros

lø. 5/9

3:17 pm-11:15 pm

1 stop8h 58m

$344

ChicagoSantiago de los Caballeros

ORD - STI

ORDSTI

Chicago O'Hare Intl

lø. 5/2

1:27 pm-2:02 pm

1 stop23h 35m

Santiago de los Caballeros

ma. 5/4

4:15 pm-11:19 am

1 stop20h 04m

$362

ChicagoSantiago de los Caballeros

ORD - STI

ORDSTI

Chicago O'Hare Intl

on. 4/29

7:15 pm-2:02 pm

1 stop17h 47m

Santiago de los Caballeros

ma. 5/4

4:15 pm-11:19 am

1 stop20h 04m

$370

ChicagoSantiago de los Caballeros

ORD - STI

ORDSTI

Chicago O'Hare Intl

to. 4/30

5:05 am-2:02 pm

1 stop7h 57m

Santiago de los Caballeros

ma. 5/4

4:15 pm-11:19 am

1 stop20h 04m

$386

ChicagoSantiago de los Caballeros

ORD - STI

ORDSTI

Chicago O'Hare Intl

lø. 5/2

1:27 pm-2:02 pm

1 stop23h 35m

Santiago de los Caballeros

ma. 5/4

4:15 pm-7:55 am

2 stops16h 40m

$391

ChicagoSantiago de los Caballeros

ORD - STI

ORDSTI

Chicago O'Hare Intl

on. 4/29

7:15 pm-2:02 pm

1 stop17h 47m

Santiago de los Caballeros

ma. 5/4

4:15 pm-7:55 am

2 stops16h 40m

$398

ChicagoSantiago de los Caballeros

MDW - STI

MDWSTI

Chicago Midway

fr. 5/1

9:27 am-12:22 am

2 stops13h 55m

Santiago de los Caballeros

fr. 5/8

6:00 am-6:33 pm

2 stops13h 33m

$517

ChicagoSantiago de los Caballeros

MDW - STI

MDWSTI

Chicago Midway

fr. 5/1

1:24 pm-12:22 am

2 stops9h 58m

Santiago de los Caballeros

fr. 5/8

8:59 pm-12:42 pm

2 stops16h 43m

$527
Quickest round-trip

St. LouisSantiago de los Caballeros

STL - STI

STLSTI

Lambert-St Louis

to. 5/28

5:15 am-9:13 pm

1 stop14h 58m

Santiago de los Caballeros

ti. 6/2

1:21 pm-11:59 pm

1 stop11h 38m

$610

St. LouisSantiago de los Caballeros

STL - STI

STLSTI

Lambert-St Louis

to. 5/28

5:15 am-9:13 pm

1 stop14h 58m

Santiago de los Caballeros

ti. 6/2

9:06 am-8:52 pm

2 stops12h 46m

$615

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Santiago de los Caballeros from

How to get the cheapest flight ticket from Illinois to Santiago de los Caballeros

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Illinois to Santiago de los Caballeros?

Spirit Airlines, Delta, and American Airlines are the most popular carriers operating from Illinois to Santiago de los Caballeros

What airlines fly to Santiago de los Caballeros?

American Airlines, Spirit Airlines and Delta are the top three most popular airlines that fly to Santiago de los Caballeros from Illinois according to our data. American Airlines is the first choice among our users, with 68% of people opting to fly with this airline when traveling to Santiago de los Caballeros. Keep in mind that there are 5 different airlines that fly to Santiago de los Caballeros on a routine basis, so you have a few additional options to choose from.

Cheap Illinois to Santiago de los Caballeros flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Illinois to Santiago de los Caballeros

Fastest flight time

8h 12m

Direct flights

None
The fastest flight from Illinois to Santiago de los Caballeros takes 8h 12m
There are no direct flights from Illinois to Santiago de los Caballeros. There are no popular flight routes from Illinois to Santiago de los Caballeros.
Search flight deals

Frequently asked questions about flying from Illinois to Santiago de los Caballeros

  • When did momondo last update prices for flights from Illinois to Santiago de los Caballeros Airport?

    Prices for flights from Illinois to Santiago de los Caballeros Airport refresh daily.

  • How many operators does momondo search for flights from Illinois to Santiago de los Caballeros Airport?

  • How old do you have to be to fly from Illinois to Santiago de los Caballeros Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Illinois to Santiago de los Caballeros Airport.

  • What documentation or ID do you need to fly to Santiago de los Caballeros Airport?

    The required travel and health documents for your Santiago de los Caballeros Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Santiago de los Caballeros Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Illinois to Santiago de los Caballeros

Compare and see reviews for airlines that fly from Illinois to Santiago de los Caballeros with momondo
Airline
Rating
Free Cancellation
Price
JetBluePriceFrom $255Free CancellationRating
7.2
2,938 reviews
Search JetBlue flights
Spirit AirlinesPriceFrom $298Free CancellationRating
6.3
8,615 reviews
Search Spirit Airlines flights
DeltaPriceFrom $356Free CancellationRating
7.9
8,409 reviews
Search Delta flights
American AirlinesPriceFrom $395Free CancellationRating
7.1
11,584 reviews
Search American Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Illinois to Santiago de los Caballeros?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Santiago de los Caballeros from Illinois.

Can I find flights from Illinois to Santiago de los Caballeros with flexible booking policies on momondo?

Flights from Illinois to Santiago de los Caballeros with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Illinois to Santiago de los Caballeros?

momondo provides multiple filters to help you find the best flight to Santiago de los Caballeros from Illinois. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Illinois to Santiago de los Caballeros right now. Can momondo alert me if prices change?

Price alerts on flights to Santiago de los Caballeros from Illinois are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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1 adult
lø. 5/16
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