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

Copa Airlines and United Airlines are the most popular carriers operating from Montreal to Santiago de los Caballeros

Which layover airport offers the lowest fares from Montreal to Santiago de los Caballeros?

Flights via Newark (EWR) offer the lowest average round-trip price of C$ 910.

Which airport is the most popular layover for flights between Montreal and Santiago de los Caballeros?

Newark (EWR) was the most common stop: 50% of momondo users choosing one-stop flights on this route connected there.

Which layover airport has the shortest connection time from Montreal to Santiago de los Caballeros?

Miami (MIA) has the shortest average layover time for this route: 1h 28m.

Which layover airport has the shortest travel time from Montreal to Santiago de los Caballeros?

Flights connecting via Newark (EWR) have the shortest average one-way travel time: 6h 53m.

Which airlines fly to Santiago de los Caballeros?

Air Transat, Air Canada and WestJet 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 63% of people opting to fly with this airline when travelling to Santiago de los Caballeros. Keep in mind that there are 7 different airlines that fly to Santiago de los Caballeros on a routine basis, so you have a few additional options to choose from.

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?

There are 2 operators available for flights from Montreal to Santiago de los Caballeros Airport as of November 2026.

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.

C$ 500 Cheap Flights from Montreal to Santiago de los Caballeros in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Montreal to Santiago de los Caballeros

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:30 a.m. - 3:40 p.m.YUL Montreal Pierre Elliott Trudeau Intl-STI Santiago de los Caballeros

7h 10m1 stop Philadelphia

2:42 p.m. - 12:19 p.m.STI Santiago de los Caballeros-YUL Montreal Pierre Elliott Trudeau Intl

22h 37m1 stop Philadelphia

C$ 949American Airlines

Sat, 6 Feb - Sat, 13 Feb

7:30 a.m. - 3:40 p.m.YUL Montreal Pierre Elliott Trudeau Intl-STI Santiago de los Caballeros

7h 10m1 stop Philadelphia

7:10 a.m. - 10:53 p.m.STI Santiago de los Caballeros-YUL Montreal Pierre Elliott Trudeau Intl

16h 43m2 stops Miami Charlotte Douglas

C$ 955American Airlines

Sat, 6 Feb - Sat, 13 Feb

2:23 p.m. - 1:36 p.m.YUL Montreal Pierre Elliott Trudeau Intl-STI Santiago de los Caballeros

22h 13m2 stops Charlotte Douglas Miami

3:49 p.m. - 10:48 p.m.STI Santiago de los Caballeros-YUL Montreal Pierre Elliott Trudeau Intl

6h 59m1 stop Philadelphia

C$ 961American Airlines

Sun, 14 Feb - Sun, 14 Mar

9:15 a.m. - 11:49 a.m.YUL Montreal Pierre Elliott Trudeau Intl-STI Santiago de los Caballeros

25h 34m2 stops Washington, D.C. Dulles Intl Newark

12:55 p.m. - 3:16 p.m.STI Santiago de los Caballeros-YUL Montreal Pierre Elliott Trudeau Intl

27h 21m2 stops Newark Washington, D.C. Dulles Intl

C$ 966United Airlines

Sat, 6 Feb - Sat, 13 Feb

12:30 p.m. - 12:23 p.m.YUL Montreal Pierre Elliott Trudeau Intl-STI Santiago de los Caballeros

23h 53m2 stops Chicago O'Hare Intl Miami

1:32 p.m. - 11:44 a.m.STI Santiago de los Caballeros-YUL Montreal Pierre Elliott Trudeau Intl

22h 12m2 stops Miami Chicago O'Hare Intl

C$ 972American Airlines

Sat, 17 Apr - Sat, 24 Apr

9:15 a.m. - 11:51 p.m.YUL Montreal Pierre Elliott Trudeau Intl-STI Santiago de los Caballeros

13h 36m2 stops Washington, D.C. Dulles Intl Newark

4:00 p.m. - 3:16 p.m.STI Santiago de los Caballeros-YUL Montreal Pierre Elliott Trudeau Intl

24h 16m2 stops Newark Washington, D.C. Dulles Intl

C$ 1,009United Airlines

Sun, 24 Jan - Thu, 28 Jan

7:00 a.m. - 2:53 p.m.YUL Montreal Pierre Elliott Trudeau Intl-STI Santiago de los Caballeros

6h 53m1 stop Newark

12:55 p.m. - 3:16 p.m.STI Santiago de los Caballeros-YUL Montreal Pierre Elliott Trudeau Intl

27h 21m2 stops Newark Washington, D.C. Dulles Intl

C$ 1,009United Airlines

Sun, 24 Jan - Thu, 28 Jan

2:23 p.m. - 1:36 p.m.YUL Montreal Pierre Elliott Trudeau Intl-STI Santiago de los Caballeros

22h 13m2 stops Charlotte Douglas Miami

7:10 a.m. - 10:53 p.m.STI Santiago de los Caballeros-YUL Montreal Pierre Elliott Trudeau Intl

16h 43m2 stops Miami Charlotte Douglas

C$ 1,100British Airways

Sun, 14 Feb - Wed, 3 Mar

7:30 a.m. - 3:49 p.m.YUL Montreal Pierre Elliott Trudeau Intl-STI Santiago de los Caballeros

7h 19m1 stop Philadelphia

7:10 a.m. - 10:53 p.m.STI Santiago de los Caballeros-YUL Montreal Pierre Elliott Trudeau Intl

16h 43m2 stops Miami Charlotte Douglas

C$ 1,202British Airways

Sun, 14 Feb - Wed, 3 Mar

7:00 a.m. - 11:51 p.m.YUL Montreal Pierre Elliott Trudeau Intl-STI Santiago de los Caballeros

15h 51m1 stop Newark

6:00 a.m. - 1:28 p.m.STI Santiago de los Caballeros-YUL Montreal Pierre Elliott Trudeau Intl

8h 28m1 stop Newark

C$ 1,278Air Canada

Sun, 14 Feb - Wed, 3 Mar

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United Airlines flights from Montreal to Santiago de los Caballeros

Our best United Airlines deals on Montreal to Santiago de los Caballeros flight tickets

United Airlines

6 Feb

YUL9:15 a.m.Montreal Pierre Elliott Trudeau Intl

25h 34m

2 stops

STI11:49 a.m.Santiago de los Caballeros

13 Feb

STI12:55 p.m.Santiago de los Caballeros

27h 21m

2 stops

YUL3:16 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 966

United Airlines

24 Jan

YUL7:00 a.m.Montreal Pierre Elliott Trudeau Intl

6h 53m

1 stop

STI2:53 p.m.Santiago de los Caballeros

28 Jan

STI12:55 p.m.Santiago de los Caballeros

27h 21m

2 stops

YUL3:16 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 1,009

United Airlines

24 Jan

YUL7:00 a.m.Montreal Pierre Elliott Trudeau Intl

27h 49m

1 stop

STI11:49 a.m.Santiago de los Caballeros

28 Jan

STI4:00 p.m.Santiago de los Caballeros

23h 00m

2 stops

YUL2:00 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 1,011

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

6 Feb

YUL7:30 a.m.Montreal Pierre Elliott Trudeau Intl

7h 10m

1 stop

STI3:40 p.m.Santiago de los Caballeros

13 Feb

STI2:42 p.m.Santiago de los Caballeros

22h 37m

1 stop

YUL12:19 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 949

American Airlines

6 Feb

YUL7:30 a.m.Montreal Pierre Elliott Trudeau Intl

7h 10m

1 stop

STI3:40 p.m.Santiago de los Caballeros

13 Feb

STI7:10 a.m.Santiago de los Caballeros

16h 43m

2 stops

YUL10:53 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 955

American Airlines

14 Feb

YUL2:23 p.m.Montreal Pierre Elliott Trudeau Intl

22h 13m

2 stops

STI1:36 p.m.Santiago de los Caballeros

14 Mar

STI3:49 p.m.Santiago de los Caballeros

6h 59m

1 stop

YUL10:48 p.m.Montreal Pierre Elliott Trudeau Intl

C$ 961

momondo Fare Finder

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

Cheapest round-trip

MontrealSantiago de los Caballeros

YUL Montreal Pierre Elliott Trudeau Intl - STI Santiago de los Caballeros

YULSTI

Montreal Pierre Elliott Trudeau Intl

Sat 6/2

7:30 a.m.-3:40 p.m.

1 stop7h 10m

Santiago de los Caballeros

Sat 13/2

2:42 p.m.-12:19 p.m.

1 stop22h 37m

C$ 949

Quickest round-trip

MontrealSantiago de los Caballeros

YUL Montreal Pierre Elliott Trudeau Intl - STI Santiago de los Caballeros

YULSTI

Montreal Pierre Elliott Trudeau Intl

Sat 6/2

7:30 a.m.-3:40 p.m.

1 stop7h 10m

Santiago de los Caballeros

Sat 13/2

7:10 a.m.-10:53 p.m.

2 stops16h 43m

C$ 955

MontrealSantiago de los Caballeros

YUL Montreal Pierre Elliott Trudeau Intl - STI Santiago de los Caballeros

YULSTI

Montreal Pierre Elliott Trudeau Intl

Sun 14/2

2:23 p.m.-1:36 p.m.

2 stops22h 13m

Santiago de los Caballeros

Sun 14/3

3:49 p.m.-10:48 p.m.

1 stop6h 59m

C$ 961

MontrealSantiago de los Caballeros

YUL Montreal Pierre Elliott Trudeau Intl - STI Santiago de los Caballeros

YULSTI

Montreal Pierre Elliott Trudeau Intl

Sat 6/2

9:15 a.m.-11:49 a.m.

2 stops25h 34m

Santiago de los Caballeros

Sat 13/2

12:55 p.m.-3:16 p.m.

2 stops27h 21m

C$ 966

MontrealSantiago de los Caballeros

YUL Montreal Pierre Elliott Trudeau Intl - STI Santiago de los Caballeros

YULSTI

Montreal Pierre Elliott Trudeau Intl

Sat 17/4

12:30 p.m.-12:23 p.m.

2 stops23h 53m

Santiago de los Caballeros

Sat 24/4

1:32 p.m.-11:44 a.m.

2 stops22h 12m

C$ 972

MontrealSantiago de los Caballeros

YUL Montreal Pierre Elliott Trudeau Intl - STI Santiago de los Caballeros

YULSTI

Montreal Pierre Elliott Trudeau Intl

Sun 24/1

9:15 a.m.-11:51 p.m.

2 stops13h 36m

Santiago de los Caballeros

Thu 28/1

4:00 p.m.-3:16 p.m.

2 stops24h 16m

C$ 1,009

MontrealSantiago de los Caballeros

YUL Montreal Pierre Elliott Trudeau Intl - STI Santiago de los Caballeros

YULSTI

Montreal Pierre Elliott Trudeau Intl

Sun 24/1

7:00 a.m.-2:53 p.m.

1 stop6h 53m

Santiago de los Caballeros

Thu 28/1

12:55 p.m.-3:16 p.m.

2 stops27h 21m

C$ 1,009

MontrealSantiago de los Caballeros

YUL Montreal Pierre Elliott Trudeau Intl - STI Santiago de los Caballeros

YULSTI

Montreal Pierre Elliott Trudeau Intl

Sun 14/2

2:23 p.m.-1:36 p.m.

2 stops22h 13m

Santiago de los Caballeros

Wed 3/3

7:10 a.m.-10:53 p.m.

2 stops16h 43m

C$ 1,100

MontrealSantiago de los Caballeros

YUL Montreal Pierre Elliott Trudeau Intl - STI Santiago de los Caballeros

YULSTI

Montreal Pierre Elliott Trudeau Intl

Sun 14/2

7:30 a.m.-3:49 p.m.

1 stop7h 19m

Santiago de los Caballeros

Wed 3/3

7:10 a.m.-10:53 p.m.

2 stops16h 43m

C$ 1,202

MontrealSantiago de los Caballeros

YUL Montreal Pierre Elliott Trudeau Intl - STI Santiago de los Caballeros

YULSTI

Montreal Pierre Elliott Trudeau Intl

Sun 14/2

7:00 a.m.-11:51 p.m.

1 stop15h 51m

Santiago de los Caballeros

Wed 3/3

6:00 a.m.-1:28 p.m.

1 stop8h 28m

C$ 1,278

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

Layovers

What is the cheapest month to fly to Santiago de los Caballeros?

In general, March is the cheapest month to fly from Montreal to Santiago de los Caballeros. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around C$ 599. If you are unable to visit Santiago de los Caballeros during the month of March, then departing from Montreal during the month November is also very affordable. Most momondo users find prices during this month for around C$ 729.

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

Best price found	C$ 500
Fastest flight time	6h 53m
Direct flights	None

The best one-way flight to Santiago de los Caballeros from Montreal in the past 72 hours is C$ 500. The best round-trip flight deal from Montreal to Santiago de los Caballeros found on momondo in the last 72 hours is C$ 949.

The fastest flight from Montreal to Santiago de los Caballeros takes 6h 53m

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

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

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 6h 53m 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?
There are 2 operators available for flights from Montreal to Santiago de los Caballeros Airport as of November 2026.
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?
Based on momondo bookings for this flight route, the most popular airline on flight routes from Montreal to Santiago de los Caballeros is United Airlines (100% of total bookings).

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 Airlines	PriceFrom C$ 729	Free Cancellation	Rating 7.3 10,475 reviews		Search United Airlines flights
American Airlines	PriceFrom C$ 892	Free Cancellation	Rating 7.0 12,225 reviews		Search American 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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Cheap flights from Montreal to Santiago de los Caballeros from C$ 500

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United Airlines flights from Montreal to Santiago de los Caballeros

Our best United Airlines deals on Montreal to Santiago de los Caballeros flight tickets

American Airlines flights from Montreal to Santiago de los Caballeros

Our best American Airlines deals on Montreal to Santiago de los Caballeros flight tickets

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

See travel insights to Santiago de los Caballeros from

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

What is the cheapest month to fly to Santiago de los Caballeros?

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

Which airlines fly to Santiago de los Caballeros?

Which airport is the most popular layover for flights between Montreal and Santiago de los Caballeros?

Which layover airport offers the lowest fares from Montreal to Santiago de los Caballeros?

Which layover airport has the shortest travel time from Montreal to Santiago de los Caballeros?

Which layover airport has the shortest connection time from Montreal to Santiago de los Caballeros?

When to book flights from Montreal to Santiago de los Caballeros

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

Best price found

Fastest flight time

Direct flights

Frequently asked questions about flying 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

Why use momondo?

An easier way to manage your Santiago de los Caballeros trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

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