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Cheap flights from Ontario to Santiago de los Caballeros from C$ 444

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 17/10. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — STI
6 Jun — 13 Jun1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ontario to Santiago de los Caballeros

Enter your travel dates to find the best prices.

Cheapest flights from Ontario to Santiago de los Caballeros
Explore the most affordable flight options available from Ontario to Santiago de los Caballeros. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 7 May 2026.

Mon 9/117:00 a.m.
YUL
-
STI
1 stop15h 51m
United Airlines
Wed 11/116:00 a.m.
STI
-
YUL
1 stop8h 10m
United Airlines
Deal found 6/5C$ 815
Mon 23/117:14 p.m.
YYZ
-
STI
2 stops19h 16m
American Airlines
Fri 27/114:36 p.m.
STI
-
YYZ
1 stop8h 16m
American Airlines
Deal found 4/5C$ 826
Sat 17/106:10 a.m.
YUL
-
STI
2 stops30h 47m
United Airlines
Tue 3/116:00 a.m.
STI
-
YUL
1 stop11h 21m
United Airlines
Deal found 6/5C$ 847
Fri 4/97:00 p.m.
YYZ
-
STI
1 stop17h 57m
United Airlines
Wed 16/92:07 p.m.
STI
-
YYZ
2 stops24h 17m
United Airlines
Deal found 2/5C$ 848
Mon 23/1110:19 a.m.
YYZ
-
STI
2 stops12h 32m
United Airlines
Wed 25/116:00 a.m.
STI
-
YYZ
1 stop16h 29m
United Airlines
Deal found 4/5C$ 849
Sat 17/107:55 a.m.
YUL
-
STI
1 stop28h 27m
American Airlines
Tue 3/112:32 p.m.
STI
-
YUL
1 stop9h 27m
American Airlines
Deal found 6/5C$ 851
Sun 22/118:50 a.m.
YYZ
-
STI
2 stops25h 56m
United Airlines
Thu 26/116:00 a.m.
STI
-
YYZ
1 stop16h 29m
United Airlines
Deal found 4/5C$ 857
Fri 4/96:00 a.m.
YYZ
-
STI
1 stop15h 03m
American Airlines
Wed 16/91:40 p.m.
STI
-
YYZ
1 stop9h 20m
American Airlines
Deal found 6/5C$ 871
Mon 15/67:10 a.m.
YUL
-
STI
1 stop14h 02m
American Airlines
Wed 24/69:07 a.m.
STI
-
YUL
1 stop14h 22m
American Airlines
Deal found 5/5C$ 889
Tue 28/74:16 p.m.
YUL
-
STI
2 stops22h 28m
American Airlines
Tue 11/83:31 p.m.
STI
-
YUL
2 stops20h 13m
American Airlines
Deal found 4/5C$ 912

Find flight deals from Ontario to Santiago de los Caballeros

Keep the following information in mind while searching for Ontario to Santiago de los Caballeros flight deals. Data was last updated 7 May 2026.

Round-trip from

C$ 815

One-way from

C$ 444
United Airlines
  • United Airlines
  • 17/10-3/11
  • 4 total stops
  • 46h 39m total
  • Ontario to Santiago de los Caballeros
Search Deals
United Airlines
  • United Airlines
  • 17/10
  • 2 total stops
  • 24h 52m total
  • Ontario to Santiago de los Caballeros
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario 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 629,999 searches. Data last updated 7 May 2026.
Use the filters below to find and compare flights from Ontario to Santiago de los Caballeros that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

MontrealSantiago de los Caballeros

YUL - STI

YULSTI

Montreal Pierre Elliott Trudeau Intl

Sat 17/10

2:20 p.m.-12:57 p.m.

2 stops22h 37m

Santiago de los Caballeros

Tue 3/11

6:00 a.m.-1:10 p.m.

1 stop8h 10m

C$ 818

TorontoSantiago de los Caballeros

YYZ - STI

YYZSTI

Toronto Pearson Intl

Fri 4/9

7:00 p.m.-12:57 p.m.

1 stop17h 57m

Santiago de los Caballeros

Wed 16/9

2:07 p.m.-2:24 p.m.

2 stops24h 17m

C$ 849
Quickest round-trip

TorontoSantiago de los Caballeros

YYZ - STI

YYZSTI

Toronto Pearson Intl

Fri 4/9

6:00 a.m.-9:03 p.m.

1 stop15h 03m

Santiago de los Caballeros

Wed 16/9

1:40 p.m.-11:00 p.m.

1 stop9h 20m

C$ 871

TorontoSantiago de los Caballeros

YYZ - STI

YYZSTI

Toronto Pearson Intl

Mon 1/6

6:02 p.m.-2:38 p.m.

2 stops20h 36m

Santiago de los Caballeros

Tue 16/6

1:14 p.m.-11:45 p.m.

1 stop10h 31m

C$ 905

TorontoSantiago de los Caballeros

YYZ - STI

YYZSTI

Toronto Pearson Intl

Fri 12/6

6:00 a.m.-9:12 p.m.

2 stops15h 12m

Santiago de los Caballeros

Fri 19/6

7:04 a.m.-9:41 p.m.

2 stops14h 37m

C$ 911

MontrealSantiago de los Caballeros

YUL - STI

YULSTI

Montreal Pierre Elliott Trudeau Intl

Tue 28/7

4:16 p.m.-2:44 p.m.

2 stops22h 28m

Santiago de los Caballeros

Tue 11/8

3:31 p.m.-11:44 a.m.

2 stops20h 13m

C$ 912

MontrealSantiago de los Caballeros

YUL - STI

YULSTI

Montreal Pierre Elliott Trudeau Intl

Wed 27/5

9:45 a.m.-12:57 p.m.

2 stops27h 12m

Santiago de los Caballeros

Wed 10/6

2:07 p.m.-10:40 a.m.

2 stops20h 33m

C$ 921

MontrealSantiago de los Caballeros

YUL - STI

YULSTI

Montreal Pierre Elliott Trudeau Intl

Mon 18/5

6:35 p.m.-3:12 p.m.

2 stops20h 37m

Santiago de los Caballeros

Wed 27/5

6:00 a.m.-12:13 a.m.

2 stops18h 13m

C$ 921

MontrealSantiago de los Caballeros

YUL - STI

YULSTI

Montreal Pierre Elliott Trudeau Intl

Mon 18/5

6:35 p.m.-3:12 p.m.

2 stops20h 37m

Santiago de los Caballeros

Sun 24/5

2:07 p.m.-2:40 p.m.

2 stops24h 33m

C$ 921

MontrealSantiago de los Caballeros

YUL - STI

YULSTI

Montreal Pierre Elliott Trudeau Intl

Sat 22/8

1:10 p.m.-3:12 p.m.

1 stop26h 02m

Santiago de los Caballeros

Sat 19/9

6:00 a.m.-4:10 p.m.

1 stop10h 10m

C$ 938

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/5

Showing 1-10 of 24 resultsSorted by cheapest first
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Best time to book a flight from Ontario to Santiago de los Caballeros

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

What is the cheapest month to book a flight from Region of Ontario to Santiago de los Caballeros?

Currently, December is the cheapest month in which you can book a flight from Region of Ontario to Santiago de los Caballeros (average of C$ 185). Flying from Region of Ontario to Santiago de los Caballeros in July is currently the most expensive (average of C$ 853). 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.

Related info for your journey

Find useful and relevant information for your journey from Ontario 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 Ontario?

    Santiago de los Caballeros (STI), located 10.9 km from the city centre, is the airport you fly into when you book flights from Ontario to Santiago de los Caballeros.

  • How long is the flight from Region of Ontario to Santiago de los Caballeros?

    A quick flight from Region of Ontario to Santiago de los Caballeros can take about 15h 03m. United Airlines provides one of the quickest options available for as low as C$ 871. The distance from Region of Ontario to Santiago de los Caballeros is about 2824 km. Both multi-stop and direct flights can be found to your destination and back.

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

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

  • How can I find direct flights from Ontario 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 Ontario to Santiago de los Caballeros.

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

    Yes. Cheapflights offers flight deals from Ontario 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 Region of Ontario to Santiago de los Caballeros?

    Currently, December is the cheapest month in which you can book a flight from Region of Ontario to Santiago de los Caballeros (average of C$ 185). Flying from Region of Ontario to Santiago de los Caballeros in July is currently the most expensive (average of C$ 853). 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 Ontario to Santiago de los Caballeros

See prices for flight routes from nearby airports that may be better suited for you.
Pierre Elliott Trudeau Intl to Punta Cana flights
Pearson Intl to Punta Cana flights
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Calgary to Santiago de los Caballeros flights
Edmonton to Puerto Plata flights
Halifax to Santo Domingo flights
Kamloops to Punta Cana flights
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Halifax to Puerto Plata flights
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Hamilton to Puerto Plata flights

Top airline flying from Ontario to Santiago de los Caballeros

Discover the top airline that operate flights from Ontario 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 629,999 searches. Data last updated 7 May 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 625AverageC$ 825FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Ontario to Santiago de los Caballeros?

Deals for Ontario to Santiago de los Caballeros flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Ontario to Santiago de los Caballeros?

Millions of users choose and trust Cheapflights to book the best flight deals from Ontario to Santiago de los Caballeros for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Ontario to Santiago de los Caballeros with no change fees?

Yes, we can. To see specific flights from Ontario to Santiago de los Caballeros with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Ontario to Santiago de los Caballeros become cheaper?

Not ready to book yet? You can track prices for flights from Ontario to Santiago de los Caballeros on Cheapflights with our Price Alert feature and get notified when better prices are available.

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