Cheap flights from Ontario to Santiago de los Caballeros from C$ 310

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 13/9. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — STI
6 Aug — 13 Aug1
1 adult

Cheap 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 1 August 2025.

Round-trip from

C$ 610

One-way from

C$ 310

Popular in

August

Cheapest in

February

Average price

C$ 1,192
American Airlines
  • American Airlines
  • 29/8-19/9
  • 3 total stops
  • 34h 05m total
  • Ontario to Santiago de los Caballeros
13/9
  • 13/9
  • 1 total stop
  • 28h 35m total
  • Ontario to Santiago de los Caballeros
Highest demand for flights based on searches. 10% potential increase in price (C$ 133 potential increase over avg. RT price).
Cheapest flight prices on average. 5% potential price decrease (C$ 61 potential savings vs. average RT price).
Average for round-trip flights in August 2025

Find flight deals from Ontario to Santiago de los Caballeros

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 1 August 2025.

Fri 29/87:00 a.m.YUL - STI
1 stop13h 48mAmerican Airlines
Fri 19/91:29 p.m.STI - YUL
2 stops20h 17mAmerican Airlines
Deal found 29/7C$ 610
Sun 14/95:59 p.m.YYZ - STI
2 stops18h 28mAmerican Airlines
Thu 25/91:29 p.m.STI - YYZ
1 stop10h 29mAmerican Airlines
Deal found 30/7C$ 613
Sun 14/96:30 a.m.YYZ - STI
1 stop28h 35mMultiple Airlines
Thu 25/912:10 p.m.STI - YYZ
1 stop8h 45mMultiple Airlines
Deal found 30/7C$ 620
Sat 4/1010:05 a.m.YYZ - STI
2 stops15h 41mUnited Airlines
Sat 18/106:00 a.m.STI - YYZ
1 stop7h 47mUnited Airlines
Deal found 31/7C$ 635
Fri 29/86:00 a.m.YUL - STI
1 stop9h 12mUnited Airlines
Fri 19/96:00 a.m.STI - YUL
1 stop7h 09mUnited Airlines
Deal found 29/7C$ 659
Wed 1/106:45 a.m.YUL - STI
1 stop28h 20mMultiple Airlines
Wed 8/1012:10 p.m.STI - YUL
2 stops26h 10mMultiple Airlines
Deal found 30/7C$ 736
Fri 29/86:45 a.m.YUL - STI
2 stops17h 57mDelta
Fri 19/96:11 a.m.STI - YUL
2 stops18h 16mDelta
Deal found 29/7C$ 963
Mon 22/124:40 p.m.YYZ - STI
1 stop9h 30mDelta
Thu 8/16:35 a.m.STI - YYZ
1 stop7h 37mDelta
Deal found 29/7C$ 1,587

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 1 August 2025.
Use the filters below to find and compare flights from Ontario to Santiago de los Caballeros that are best for you.

Fly from

Ontario

Fly to

Santiago de los Caballeros

Route

Depart

Return

Price

MontrealSantiago de los Caballeros

YUL - STI

YULSTI

Montreal Pierre Elliott Trudeau Intl

Fri 29/8

7:00 a.m.-8:48 p.m.

1 stop13h 48m

Santiago de los Caballeros

Fri 19/9

1:29 p.m.-9:46 a.m.

2 stops20h 17m

C$ 610

TorontoSantiago de los Caballeros

YYZ - STI

YYZSTI

Toronto Pearson Intl

Sun 14/9

5:59 p.m.-12:27 p.m.

2 stops18h 28m

Santiago de los Caballeros

Thu 25/9

1:29 p.m.-11:58 p.m.

1 stop10h 29m

C$ 613

TorontoSantiago de los Caballeros

YYZ - STI

YYZSTI

Toronto Pearson Intl

Sun 14/9

6:30 a.m.-11:05 a.m.

1 stop28h 35m

Santiago de los Caballeros

Thu 25/9

12:10 p.m.-8:55 p.m.

1 stop8h 45m

C$ 620

TorontoSantiago de los Caballeros

YYZ - STI

YYZSTI

Toronto Pearson Intl

Sat 4/10

10:05 a.m.-1:46 a.m.

2 stops15h 41m

Santiago de los Caballeros

Sat 18/10

6:00 a.m.-1:47 p.m.

1 stop7h 47m

C$ 635

MontrealSantiago de los Caballeros

YUL - STI

YULSTI

Montreal Pierre Elliott Trudeau Intl

Fri 29/8

6:00 a.m.-3:12 p.m.

1 stop9h 12m

Santiago de los Caballeros

Fri 19/9

6:00 a.m.-1:09 p.m.

1 stop7h 09m

C$ 659

MontrealSantiago de los Caballeros

YUL - STI

YULSTI

Montreal Pierre Elliott Trudeau Intl

Wed 1/10

6:45 a.m.-11:05 a.m.

1 stop28h 20m

Santiago de los Caballeros

Wed 8/10

12:10 p.m.-2:20 p.m.

2 stops26h 10m

C$ 736

MontrealSantiago de los Caballeros

YUL - STI

YULSTI

Montreal Pierre Elliott Trudeau Intl

Fri 29/8

6:45 a.m.-12:42 a.m.

2 stops17h 57m

Santiago de los Caballeros

Fri 19/9

6:11 a.m.-12:27 a.m.

2 stops18h 16m

C$ 963

TorontoSantiago de los Caballeros

YYZ - STI

YYZSTI

Toronto Pearson Intl

Mon 22/12

4:40 p.m.-3:10 a.m.

1 stop9h 30m

Santiago de los Caballeros

Thu 8/1

6:35 a.m.-1:12 p.m.

1 stop7h 37m

C$ 1,587

TorontoSantiago de los Caballeros

YYZ - STI

YYZSTI

Toronto Pearson Intl

Sat 13/9

6:30 a.m.-11:05 a.m.

1 stop28h 35m

C$ 310

TorontoSantiago de los Caballeros

YYZ - STI

YYZSTI

Toronto Pearson Intl

Sat 13/9

3:00 p.m.-11:46 p.m.

1 stop8h 46m

C$ 363

Flights are sorted by cheapest round-trip flights first.

Deals found on 30/7

Showing 1-10 of 14 results
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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 time of day to fly from ON to STI?

Find hourly flight availability from Ontario 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 1 August 2025.

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

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 1 August 2025.
See what other customers who have flown with Delta,United Airlines, andAmerican Airlines from Ontario to Santiago de los Caballeros have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Crew

8.5

Entertainment

7.9

Food

7.3

Overall

8.0

Boarding

8.2

Comfort

7.9

Reviews

1 / 20
2.0
Mediocre

Jake,Jan 2024

CVG - ATL

Would have been great but the flight got significantly delayed after we boarded due to a mechanical failure
8.0
Very good

Crew

8.5

Entertainment

7.9

Food

7.3

Overall

8.0

Boarding

8.2

Comfort

7.9

Reviews

1 / 20
2.0
Mediocre

Jake,Jan 2024

CVG - ATL

Would have been great but the flight got significantly delayed after we boarded due to a mechanical failure

Crew

8.5

Entertainment

7.9

Food

7.3

Overall

8.0

Boarding

8.2

Comfort

7.9

Reviews

1 / 20
2.0
Mediocre

Jake,Jan 2024

CVG - ATL

Would have been great but the flight got significantly delayed after we boarded due to a mechanical failure

Crew

8.5

Entertainment

7.9

Food

7.3

Overall

8.0

Boarding

8.2

Comfort

7.9

Reviews

1 / 20
2.0
Mediocre

Jake,Jan 2024

CVG - ATL

Would have been great but the flight got significantly delayed after we boarded due to a mechanical failure

Crew

8.5

Entertainment

7.9

Food

7.3

Overall

8.0

Boarding

8.2

Comfort

7.9

Reviews

1 / 20
2.0
Mediocre

Jake,Jan 2024

CVG - ATL

Would have been great but the flight got significantly delayed after we boarded due to a mechanical failure

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.

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

    The cheapest airline one-way is United Airlines, with whom users have recently found tickets for as low as C$ 363. However, be on the lookout for offers from American Airlines and Delta, as they are both options that can get you from Region of Ontario to Santiago de los Caballeros for a low price.

  • 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.

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.

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 1 August 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 575AverageC$ 839FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

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