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Cheap flights from Montreal to Santiago de los Caballeros from C$ 296

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Montreal to Santiago de los Caballeros departing on 9/3. 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 Montreal to Santiago de los Caballeros

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
6:45 a.m. - 2:33 p.m.
YUL
-
STI
7h 48m
1 stop
Multiple Airlines Logo
3:43 p.m. - 12:31 a.m.
STI
-
YUL
8h 48m
1 stop
C$ 609Multiple Airlines
Mon, 9 Mar - Wed, 18 Mar
Multiple Airlines Logo
8:10 p.m. - 2:33 p.m.
YUL
-
STI
18h 23m
2 stops
Multiple Airlines Logo
3:43 p.m. - 12:31 a.m.
STI
-
YUL
8h 48m
1 stop
C$ 640Multiple Airlines
Mon, 9 Mar - Wed, 18 Mar
Multiple Airlines Logo
7:00 p.m. - 2:33 p.m.
YUL
-
STI
19h 33m
2 stops
Multiple Airlines Logo
3:43 p.m. - 1:46 p.m.
STI
-
YUL
22h 03m
2 stops
C$ 692Multiple Airlines
Mon, 9 Mar - Wed, 18 Mar
Multiple Airlines Logo
4:00 p.m. - 3:35 p.m.
YUL
-
STI
22h 35m
3 stops
Multiple Airlines Logo
3:41 p.m. - 10:46 a.m.
STI
-
YUL
19h 05m
2 stops
C$ 746Multiple Airlines
Sat, 28 Feb - Wed, 11 Mar
Multiple Airlines Logo
4:25 p.m. - 1:49 a.m.
YUL
-
STI
9h 24m
1 stop
Multiple Airlines Logo
2:46 a.m. - 3:10 p.m.
STI
-
YUL
12h 24m
1 stop
C$ 779Multiple Airlines
Sat, 28 Mar - Tue, 7 Apr
American Airlines Logo
7:30 a.m. - 12:30 p.m.
YUL
-
STI
29h 00m
2 stops
American Airlines Logo
7:00 a.m. - 11:29 p.m.
STI
-
YUL
16h 29m
1 stop
C$ 781American Airlines
Sun, 15 Mar - Sun, 29 Mar
Multiple Airlines Logo
4:25 p.m. - 1:49 a.m.
YUL
-
STI
9h 24m
1 stop
Multiple Airlines Logo
3:28 p.m. - 12:00 p.m.
STI
-
YUL
20h 32m
2 stops
C$ 784Multiple Airlines
Sat, 28 Mar - Wed, 8 Apr
Multiple Airlines Logo
4:25 p.m. - 1:49 a.m.
YUL
-
STI
9h 24m
1 stop
Multiple Airlines Logo
3:28 p.m. - 3:39 p.m.
STI
-
YUL
24h 11m
3 stops
C$ 791Multiple Airlines
Sat, 28 Mar - Wed, 8 Apr
United Airlines Logo
6:00 a.m. - 12:57 p.m.
YUL
-
STI
6h 57m
1 stop
United Airlines Logo
6:00 a.m. - 9:34 p.m.
STI
-
YUL
15h 34m
2 stops
C$ 794United Airlines
Sat, 16 May - Sun, 24 May
American Airlines Logo
2:25 p.m. - 12:30 p.m.
YUL
-
STI
22h 05m
2 stops
American Airlines Logo
1:32 p.m. - 2:44 p.m.
STI
-
YUL
25h 12m
2 stops
C$ 814American Airlines
Thu, 2 Apr - Thu, 16 Apr

American Airlines flights from Montreal to Santiago de los Caballeros

Our best American Airlines deals on Montreal to Santiago de los Caballeros flight tickets
American Airlines
22 Feb
YUL7:30 a.m.Montreal Pierre Elliott Trudeau Intl
29h 01m
2 stops
STI1:31 p.m.Santiago de los Caballeros
17 Mar
STI1:30 p.m.Santiago de los Caballeros
24h 15m
2 stops
YUL1:45 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 743
American Airlines
15 Mar
YUL7:30 a.m.Montreal Pierre Elliott Trudeau Intl
29h 00m
2 stops
STI12:30 p.m.Santiago de los Caballeros
29 Mar
STI7:00 a.m.Santiago de los Caballeros
16h 29m
1 stop
YUL11:29 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 781
American Airlines
18 Feb
YUL7:12 a.m.Montreal Pierre Elliott Trudeau Intl
13h 18m
2 stops
STI9:30 p.m.Santiago de los Caballeros
24 Feb
STI8:00 a.m.Santiago de los Caballeros
15h 44m
2 stops
YUL10:44 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 799

Delta flights from Montreal to Santiago de los Caballeros

Our best Delta deals on Montreal to Santiago de los Caballeros flight tickets
Delta
21 Jul
YUL7:00 a.m.Montreal Pierre Elliott Trudeau Intl
17h 30m
2 stops
STI12:30 a.m.Santiago de los Caballeros
28 Jul
STI8:50 p.m.Santiago de los Caballeros
20h 15m
2 stops
YUL5:05 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 1,031
Delta
27 Feb
YUL2:40 p.m.Montreal Pierre Elliott Trudeau Intl
21h 24m
2 stops
STI1:04 p.m.Santiago de los Caballeros
6 Mar
STI6:39 a.m.Santiago de los Caballeros
12h 56m
1 stop
YUL6:35 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 1,270

momondo Fare Finder

 
Customize your flight search to find flights from Montreal 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 13 February 2026.
Use the filters below to find and compare flights from Montreal to Santiago de los Caballeros that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

MontrealSantiago de los Caballeros

YUL - STI

YULSTI

Montreal Pierre Elliott Trudeau Intl

Mon 9/3

6:45 a.m.-2:33 p.m.

1 stop7h 48m

Santiago de los Caballeros

Wed 18/3

3:43 p.m.-12:31 a.m.

1 stop8h 48m

C$ 609

MontrealSantiago de los Caballeros

YUL - STI

YULSTI

Montreal Pierre Elliott Trudeau Intl

Mon 9/3

8:10 p.m.-2:33 p.m.

2 stops18h 23m

Santiago de los Caballeros

Wed 18/3

3:43 p.m.-12:31 a.m.

1 stop8h 48m

C$ 640

MontrealSantiago de los Caballeros

YUL - STI

YULSTI

Montreal Pierre Elliott Trudeau Intl

Mon 9/3

7:00 p.m.-2:33 p.m.

2 stops19h 33m

Santiago de los Caballeros

Wed 18/3

3:43 p.m.-1:46 p.m.

2 stops22h 03m

C$ 692

MontrealSantiago de los Caballeros

YUL - STI

YULSTI

Montreal Pierre Elliott Trudeau Intl

Sat 28/2

4:00 p.m.-3:35 p.m.

3 stops22h 35m

Santiago de los Caballeros

Wed 11/3

3:41 p.m.-10:46 a.m.

2 stops19h 05m

C$ 746

MontrealSantiago de los Caballeros

YUL - STI

YULSTI

Montreal Pierre Elliott Trudeau Intl

Sat 28/3

4:25 p.m.-1:49 a.m.

1 stop9h 24m

Santiago de los Caballeros

Tue 7/4

2:46 a.m.-3:10 p.m.

1 stop12h 24m

C$ 779

MontrealSantiago de los Caballeros

YUL - STI

YULSTI

Montreal Pierre Elliott Trudeau Intl

Sun 15/3

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

2 stops29h 00m

Santiago de los Caballeros

Sun 29/3

7:00 a.m.-11:29 p.m.

1 stop16h 29m

C$ 781

MontrealSantiago de los Caballeros

YUL - STI

YULSTI

Montreal Pierre Elliott Trudeau Intl

Sat 28/3

4:25 p.m.-1:49 a.m.

1 stop9h 24m

Santiago de los Caballeros

Wed 8/4

3:28 p.m.-12:00 p.m.

2 stops20h 32m

C$ 784

MontrealSantiago de los Caballeros

YUL - STI

YULSTI

Montreal Pierre Elliott Trudeau Intl

Sat 28/3

4:25 p.m.-1:49 a.m.

1 stop9h 24m

Santiago de los Caballeros

Wed 8/4

3:28 p.m.-3:39 p.m.

3 stops24h 11m

C$ 791

MontrealSantiago de los Caballeros

YUL - STI

YULSTI

Montreal Pierre Elliott Trudeau Intl

Sat 16/5

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

1 stop6h 57m

Santiago de los Caballeros

Sun 24/5

6:00 a.m.-9:34 p.m.

2 stops15h 34m

C$ 794

MontrealSantiago de los Caballeros

YUL - STI

YULSTI

Montreal Pierre Elliott Trudeau Intl

Thu 2/4

2:25 p.m.-12:30 p.m.

2 stops22h 05m

Santiago de los Caballeros

Thu 16/4

1:32 p.m.-2:44 p.m.

2 stops25h 12m

C$ 814

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 Montreal 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 Montreal to Santiago de los Caballeros?

Copa Airlines is the most popular carrier operating from Montreal to Santiago de los Caballeros

Which airlines fly to Santiago de los Caballeros?

Air Transat, United Airlines and Air Canada are the top three most popular airlines that fly to Santiago de los Caballeros from Montreal according to our data. Air Transat is the first choice among our users, with 67% of people opting to fly with this airline when travelling to Santiago de los Caballeros. Keep in mind that there are 8 different airlines that fly to Santiago de los Caballeros on a routine basis, so you have a few additional options to choose from.

When to book flights from Montreal to Santiago de los Caballeros

Are you open to changing your travel dates? Check out the ideal times to fly from Montreal to Santiago de los Caballeros according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Montreal to Santiago de los Caballeros (YMQ to STI) flight deals and tips

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

Fastest flight time

7h 48m

Direct flights

None
The fastest flight from Montreal to Santiago de los Caballeros takes 7h 48m
There are no direct flights from Montreal to Santiago de los Caballeros. There are no popular flight routes from Montreal to Santiago de los Caballeros.
Search flight deals

  • How far is Montreal to Santiago de los Caballeros by plane?

    There are 2906.2 km between Montreal and Santiago de los Caballeros. Typically, this will take 7h 48m by plane in normal conditions.

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

    Prices for flights from Montreal to Santiago de los Caballeros Airport are updated daily.

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

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Montreal 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.

  • What is the most popular airline from Montreal to Santiago de los Caballeros?

Best airlines flying from Montreal to Santiago de los Caballeros

Compare and see reviews for airlines that fly from Montreal to Santiago de los Caballeros with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom C$ 620Free CancellationRating
7.4
9,283 reviews
Search United Airlines flights

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Montreal to Santiago de los Caballeros for you.

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

Yes. momondo allows you to filter the results for Montreal to Santiago de los Caballeros flights to just show those with flexible booking policies.

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

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

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

Yes. momondo can track prices for Montreal to Santiago de los Caballeros flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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