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Cheap flights from Ontario to Santiago de los Caballeros from C$ 445

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to Santiago de los Caballeros departing on 19/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Ontario to Santiago de los Caballeros

Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
6:00 a.m. - 12:57 p.m.
YUL
-
STI
6h 57m
1 stop
United Airlines Logo
4:23 p.m. - 2:40 p.m.
STI
-
YUL
22h 17m
2 stops
C$ 818United Airlines
Tue, 20 Oct - Fri, 23 Oct
United Airlines Logo
6:10 a.m. - 10:52 p.m.
YUL
-
STI
16h 42m
2 stops
United Airlines Logo
4:00 p.m. - 1:51 p.m.
STI
-
YUL
22h 51m
2 stops
C$ 819United Airlines
Sat, 17 Oct - Tue, 3 Nov
American Airlines Logo
1:07 p.m. - 12:22 p.m.
YUL
-
STI
23h 15m
1 stop
American Airlines Logo
3:31 p.m. - 11:26 p.m.
STI
-
YUL
7h 55m
1 stop
C$ 825American Airlines
Wed, 12 Aug - Wed, 26 Aug
American Airlines Logo
7:55 a.m. - 8:00 p.m.
YUL
-
STI
12h 05m
2 stops
American Airlines Logo
3:31 p.m. - 11:26 p.m.
STI
-
YUL
7h 55m
1 stop
C$ 832American Airlines
Wed, 12 Aug - Wed, 26 Aug
United Airlines Logo
7:30 a.m. - 3:12 p.m.
YYZ
-
STI
7h 42m
1 stop
United Airlines Logo
4:23 p.m. - 9:54 a.m.
STI
-
YYZ
17h 31m
2 stops
C$ 850United Airlines
Wed, 30 Sep - Thu, 1 Oct
American Airlines Logo
7:55 a.m. - 12:22 p.m.
YUL
-
STI
28h 27m
1 stop
American Airlines Logo
2:32 p.m. - 12:15 p.m.
STI
-
YUL
22h 43m
1 stop
C$ 857American Airlines
Sat, 17 Oct - Tue, 3 Nov
American Airlines Logo
7:55 a.m. - 12:22 p.m.
YUL
-
STI
28h 27m
1 stop
American Airlines Logo
2:32 p.m. - 10:59 p.m.
STI
-
YUL
9h 27m
1 stop
C$ 858American Airlines
Sat, 17 Oct - Tue, 3 Nov
American Airlines Logo
7:29 a.m. - 8:00 p.m.
YUL
-
STI
12h 31m
2 stops
American Airlines Logo
3:31 p.m. - 12:27 p.m.
STI
-
YUL
20h 56m
2 stops
C$ 880American Airlines
Wed, 5 Aug - Mon, 17 Aug
American Airlines Logo
6:00 p.m. - 12:20 p.m.
YUL
-
STI
18h 20m
2 stops
American Airlines Logo
1:40 p.m. - 12:23 p.m.
STI
-
YUL
22h 43m
2 stops
C$ 891American Airlines
Fri, 25 Sep - Fri, 9 Oct
American Airlines Logo
6:00 a.m. - 9:29 p.m.
YYZ
-
STI
15h 29m
1 stop
American Airlines Logo
9:00 a.m. - 11:50 p.m.
STI
-
YYZ
14h 50m
2 stops
C$ 895American Airlines
Mon, 13 Jul - Tue, 4 Aug

United Airlines flights from Region of Ontario to Santiago de los Caballeros

Our best United Airlines deals on Region of Ontario to Santiago de los Caballeros flight tickets
United Airlines
20 Oct
YUL6:00 a.m.Montreal Pierre Elliott Trudeau Intl
9h 12m
1 stop
STI3:12 p.m.Santiago de los Caballeros
23 Oct
STI6:00 a.m.Santiago de los Caballeros
16h 06m
1 stop
YUL10:06 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 818
United Airlines
17 Oct
YUL6:10 a.m.Montreal Pierre Elliott Trudeau Intl
16h 42m
2 stops
STI10:52 p.m.Santiago de los Caballeros
3 Nov
STI4:00 p.m.Santiago de los Caballeros
22h 51m
2 stops
YUL1:51 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 819
United Airlines
30 Sep
YYZ7:30 a.m.Toronto Pearson Intl
7h 42m
1 stop
STI3:12 p.m.Santiago de los Caballeros
1 Oct
STI4:23 p.m.Santiago de los Caballeros
21h 24m
1 stop
YYZ1:47 p.m.Toronto Pearson Intl
C$ 850

Delta flights from Region of Ontario to Santiago de los Caballeros

Our best Delta deals on Region of Ontario to Santiago de los Caballeros flight tickets
Delta
12 Aug
YUL6:00 a.m.Montreal Pierre Elliott Trudeau Intl
13h 34m
2 stops
STI7:34 p.m.Santiago de los Caballeros
26 Aug
STI6:00 a.m.Santiago de los Caballeros
17h 35m
2 stops
YUL11:35 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 1,029
Delta
30 Sep
YYZ6:00 a.m.Toronto Pearson Intl
13h 11m
2 stops
STI7:11 p.m.Santiago de los Caballeros
1 Oct
STI8:40 p.m.Santiago de los Caballeros
16h 45m
2 stops
YYZ1:25 p.m.Toronto Pearson Intl
C$ 1,093
Delta
30 Sep
YYZ6:00 a.m.Toronto Pearson Intl
13h 11m
2 stops
STI7:11 p.m.Santiago de los Caballeros
1 Oct
STI8:40 p.m.Santiago de los Caballeros
16h 45m
2 stops
YYZ1:25 p.m.Toronto Pearson Intl
C$ 1,095

momondo Fare Finder

 
Customize your flight search to find flights from Region of 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, momondo users made 96,600 searches. Data last updated 22 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

Tue 20/10

6:00 a.m.-12:57 p.m.

1 stop6h 57m

Santiago de los Caballeros

Fri 23/10

4:23 p.m.-2:40 p.m.

2 stops22h 17m

C$ 818

MontrealSantiago de los Caballeros

YUL - STI

YULSTI

Montreal Pierre Elliott Trudeau Intl

Sat 17/10

6:10 a.m.-10:52 p.m.

2 stops16h 42m

Santiago de los Caballeros

Tue 3/11

4:00 p.m.-1:51 p.m.

2 stops22h 51m

C$ 819

MontrealSantiago de los Caballeros

YUL - STI

YULSTI

Montreal Pierre Elliott Trudeau Intl

Wed 12/8

1:07 p.m.-12:22 p.m.

1 stop23h 15m

Santiago de los Caballeros

Wed 26/8

3:31 p.m.-11:26 p.m.

1 stop7h 55m

C$ 825
Quickest round-trip

MontrealSantiago de los Caballeros

YUL - STI

YULSTI

Montreal Pierre Elliott Trudeau Intl

Wed 12/8

7:55 a.m.-8:00 p.m.

2 stops12h 05m

Santiago de los Caballeros

Wed 26/8

3:31 p.m.-11:26 p.m.

1 stop7h 55m

C$ 832

TorontoSantiago de los Caballeros

YYZ - STI

YYZSTI

Toronto Pearson Intl

Wed 30/9

7:30 a.m.-3:12 p.m.

1 stop7h 42m

Santiago de los Caballeros

Thu 1/10

4:23 p.m.-9:54 a.m.

2 stops17h 31m

C$ 850

MontrealSantiago de los Caballeros

YUL - STI

YULSTI

Montreal Pierre Elliott Trudeau Intl

Sat 17/10

7:55 a.m.-12:22 p.m.

1 stop28h 27m

Santiago de los Caballeros

Tue 3/11

2:32 p.m.-12:15 p.m.

1 stop22h 43m

C$ 857

MontrealSantiago de los Caballeros

YUL - STI

YULSTI

Montreal Pierre Elliott Trudeau Intl

Sat 17/10

7:55 a.m.-12:22 p.m.

1 stop28h 27m

Santiago de los Caballeros

Tue 3/11

2:32 p.m.-10:59 p.m.

1 stop9h 27m

C$ 858

MontrealSantiago de los Caballeros

YUL - STI

YULSTI

Montreal Pierre Elliott Trudeau Intl

Wed 5/8

7:29 a.m.-8:00 p.m.

2 stops12h 31m

Santiago de los Caballeros

Mon 17/8

3:31 p.m.-12:27 p.m.

2 stops20h 56m

C$ 880

MontrealSantiago de los Caballeros

YUL - STI

YULSTI

Montreal Pierre Elliott Trudeau Intl

Fri 25/9

6:00 p.m.-12:20 p.m.

2 stops18h 20m

Santiago de los Caballeros

Fri 9/10

1:40 p.m.-12:23 p.m.

2 stops22h 43m

C$ 891

TorontoSantiago de los Caballeros

YYZ - STI

YYZSTI

Toronto Pearson Intl

Mon 13/7

6:00 a.m.-9:29 p.m.

1 stop15h 29m

Santiago de los Caballeros

Tue 4/8

9:00 a.m.-11:50 p.m.

2 stops14h 50m

C$ 895

Flights are sorted by cheapest round-trip flights first.

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See travel insights to Santiago de los Caballeros from

How to get the cheapest flight ticket from Region of Ontario 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 month to fly to Santiago de los Caballeros?

In general, December is the cheapest month to fly from Region of Ontario to Santiago de los Caballeros. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around C$ 187. If you are unable to visit Santiago de los Caballeros during the month of December, then departing from Region of Ontario during the month February is also very affordable. Most momondo users find prices during this month for around C$ 589.

Cheap Region of Ontario to Santiago de los Caballeros flight deals and tips

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

Fastest flight time

7h 27m

Direct flights

None
The fastest flight from Region of Ontario to Santiago de los Caballeros takes 7h 27m
There are no direct flights from Region of Ontario to Santiago de los Caballeros. There are no popular flight routes from Region of Ontario to Santiago de los Caballeros.
Search flight deals

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

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

    Prices for flights from Ontario to Santiago de los Caballeros Airport are refreshed on a daily basis.

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

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Ontario to Santiago de los Caballeros Airport.

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

    The travel and health documents you'll need for your trip to Santiago de los Caballeros Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Santiago de los Caballeros Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Region of Ontario to Santiago de los Caballeros

Compare and see reviews for airlines that fly from Region of Ontario to Santiago de los Caballeros with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom C$ 633Free CancellationRating
7.4
9,751 reviews
Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Ontario 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 Ontario.

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

momondo does allow users to show only those flights to Santiago de los Caballeros from Ontario which offer a flexible booking policy as well as other useful filters and features.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Ontario to Santiago de los Caballeros.

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

Of course. momondo tracks the price of Ontario to Santiago de los Caballeros flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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