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Cheap flights from Montreal to Santiago de los Caballeros from C$ 461

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 27/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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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.
United Airlines Logo
2:20 p.m. - 2:53 p.m.YUL  Montreal Pierre Elliott Trudeau Intl-STI Santiago de los Caballeros
23h 33m2 stops Washington, D.C. Dulles Intl Newark
United Airlines Logo
6:00 a.m. - 9:01 p.m.STI  Santiago de los Caballeros-YUL Montreal Pierre Elliott Trudeau Intl
16h 01m2 stops Newark Chicago O'Hare Intl
C$ 870United Airlines
Sat, 30 Jan - Tue, 2 Feb
United Airlines Logo
6:10 a.m. - 11:51 p.m.YUL  Montreal Pierre Elliott Trudeau Intl-STI Santiago de los Caballeros
16h 41m2 stops Chicago O'Hare Intl Newark
United Airlines Logo
12:52 p.m. - 1:10 p.m.STI  Santiago de los Caballeros-YUL Montreal Pierre Elliott Trudeau Intl
25h 18m1 stop Newark
C$ 870United Airlines
Sat, 30 Jan - Tue, 2 Feb
United Airlines Logo
2:20 p.m. - 2:53 p.m.YUL  Montreal Pierre Elliott Trudeau Intl-STI Santiago de los Caballeros
23h 33m2 stops Washington, D.C. Dulles Intl Newark
United Airlines Logo
6:00 a.m. - 9:01 p.m.STI  Santiago de los Caballeros-YUL Montreal Pierre Elliott Trudeau Intl
16h 01m2 stops Newark Chicago O'Hare Intl
C$ 871United Airlines
Sat, 30 Jan - Tue, 2 Feb
United Airlines Logo
4:55 p.m. - 3:12 p.m.YUL  Montreal Pierre Elliott Trudeau Intl-STI Santiago de los Caballeros
22h 17m2 stops Chicago O'Hare Intl Newark
United Airlines Logo
6:00 a.m. - 9:42 p.m.STI  Santiago de los Caballeros-YUL Montreal Pierre Elliott Trudeau Intl
16h 42m1 stop Newark
C$ 871United Airlines
Fri, 16 Oct - Mon, 2 Nov
American Airlines Logo
7:00 a.m. - 3:36 p.m.YUL  Montreal Pierre Elliott Trudeau Intl-STI Santiago de los Caballeros
7h 36m1 stop Miami
American Airlines Logo
2:32 p.m. - 10:59 p.m.STI  Santiago de los Caballeros-YUL Montreal Pierre Elliott Trudeau Intl
9h 27m1 stop Philadelphia
C$ 888American Airlines
Sun, 31 Jan - Sun, 7 Feb
American Airlines Logo
5:34 p.m. - 2:15 p.m.YUL  Montreal Pierre Elliott Trudeau Intl-STI Santiago de los Caballeros
20h 41m2 stops Chicago O'Hare Intl Miami
American Airlines Logo
2:18 p.m. - 9:30 p.m.STI  Santiago de los Caballeros-YUL Montreal Pierre Elliott Trudeau Intl
7h 12m1 stop Philadelphia
C$ 889American Airlines
Tue, 29 Sep - Sat, 17 Oct
American Airlines Logo
7:00 a.m. - 9:43 p.m.YUL  Montreal Pierre Elliott Trudeau Intl-STI Santiago de los Caballeros
13h 43m1 stop Miami
American Airlines Logo
6:02 a.m. - 3:20 p.m.STI  Santiago de los Caballeros-YUL Montreal Pierre Elliott Trudeau Intl
10h 18m2 stops Miami Philadelphia
C$ 895American Airlines
Sun, 31 Jan - Sun, 7 Feb
Multiple Airlines Logo
9:00 a.m. - 12:55 p.m.YUL  Montreal Pierre Elliott Trudeau Intl-STI Santiago de los Caballeros
26h 55m1 stop Providenciales
Multiple Airlines Logo
1:30 p.m. - 11:25 p.m.STI  Santiago de los Caballeros-YUL Montreal Pierre Elliott Trudeau Intl
34h 55m2 stops Providenciales Toronto Pearson Intl
C$ 1,146Multiple Airlines
Wed, 16 Dec - Sat, 23 Jan
Delta Logo
7:00 a.m. - 12:55 a.m.YUL  Montreal Pierre Elliott Trudeau Intl-STI Santiago de los Caballeros
16h 55m2 stops Atlanta Hartsfield-Jackson New York LaGuardia
Delta Logo
8:05 p.m. - 11:10 p.m.STI  Santiago de los Caballeros-YUL Montreal Pierre Elliott Trudeau Intl
28h 05m2 stops New York John F Kennedy Intl Detroit Metropolitan Wayne County
C$ 1,176Delta
Wed, 16 Dec - Sat, 23 Jan
Delta Logo
2:30 p.m. - 12:55 a.m.YUL  Montreal Pierre Elliott Trudeau Intl-STI Santiago de los Caballeros
9h 25m1 stop New York LaGuardia
Delta Logo
8:05 p.m. - 8:42 a.m.STI  Santiago de los Caballeros-YUL Montreal Pierre Elliott Trudeau Intl
13h 37m1 stop New York John F Kennedy Intl
C$ 1,176Delta
Wed, 16 Dec - Sat, 23 Jan

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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
30 Jan
YUL6:10 a.m.Montreal Pierre Elliott Trudeau Intl
16h 41m
2 stops
STI11:51 p.m.Santiago de los Caballeros
2 Feb
STI12:52 p.m.Santiago de los Caballeros
25h 18m
1 stop
YUL1:10 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 870
United Airlines
16 Oct
YUL4:55 p.m.Montreal Pierre Elliott Trudeau Intl
22h 17m
2 stops
STI3:12 p.m.Santiago de los Caballeros
2 Nov
STI4:00 p.m.Santiago de los Caballeros
24h 16m
2 stops
YUL3:16 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 871
United Airlines
30 Oct
YUL2:13 p.m.Montreal Pierre Elliott Trudeau Intl
23h 40m
2 stops
STI1:53 p.m.Santiago de los Caballeros
13 Nov
STI4:00 p.m.Santiago de los Caballeros
23h 00m
2 stops
YUL2:00 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 874

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
31 Jan
YUL7:00 a.m.Montreal Pierre Elliott Trudeau Intl
7h 36m
1 stop
STI3:36 p.m.Santiago de los Caballeros
7 Feb
STI2:32 p.m.Santiago de los Caballeros
9h 27m
1 stop
YUL10:59 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 888
American Airlines
29 Sep
YUL5:34 p.m.Montreal Pierre Elliott Trudeau Intl
20h 41m
2 stops
STI2:15 p.m.Santiago de los Caballeros
17 Oct
STI2:18 p.m.Santiago de los Caballeros
7h 12m
1 stop
YUL9:30 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 889
American Airlines
8 Nov
YUL7:33 a.m.Montreal Pierre Elliott Trudeau Intl
7h 30m
1 stop
STI4:03 p.m.Santiago de los Caballeros
15 Nov
STI2:15 p.m.Santiago de los Caballeros
22h 15m
2 stops
YUL11:30 a.m.Montreal Pierre Elliott Trudeau Intl
C$ 895

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 17 August 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

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 30/1

2:20 p.m.-2:53 p.m.

2 stops23h 33m

Santiago de los Caballeros

Tue 2/2

6:00 a.m.-9:01 p.m.

2 stops16h 01m

C$ 870

MontrealSantiago de los Caballeros

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

YULSTI

Montreal Pierre Elliott Trudeau Intl

Sat 30/1

6:10 a.m.-11:51 p.m.

2 stops16h 41m

Santiago de los Caballeros

Tue 2/2

12:52 p.m.-1:10 p.m.

1 stop25h 18m

C$ 870

MontrealSantiago de los Caballeros

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

YULSTI

Montreal Pierre Elliott Trudeau Intl

Sat 30/1

2:20 p.m.-2:53 p.m.

2 stops23h 33m

Santiago de los Caballeros

Tue 2/2

6:00 a.m.-9:01 p.m.

2 stops16h 01m

C$ 871

MontrealSantiago de los Caballeros

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

YULSTI

Montreal Pierre Elliott Trudeau Intl

Fri 16/10

4:55 p.m.-3:12 p.m.

2 stops22h 17m

Santiago de los Caballeros

Mon 2/11

6:00 a.m.-9:42 p.m.

1 stop16h 42m

C$ 871
Quickest round-trip

MontrealSantiago de los Caballeros

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

YULSTI

Montreal Pierre Elliott Trudeau Intl

Sun 31/1

7:00 a.m.-3:36 p.m.

1 stop7h 36m

Santiago de los Caballeros

Sun 7/2

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

1 stop9h 27m

C$ 888

MontrealSantiago de los Caballeros

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

YULSTI

Montreal Pierre Elliott Trudeau Intl

Tue 29/9

5:34 p.m.-2:15 p.m.

2 stops20h 41m

Santiago de los Caballeros

Sat 17/10

2:18 p.m.-9:30 p.m.

1 stop7h 12m

C$ 889

MontrealSantiago de los Caballeros

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

YULSTI

Montreal Pierre Elliott Trudeau Intl

Sun 31/1

7:00 a.m.-9:43 p.m.

1 stop13h 43m

Santiago de los Caballeros

Sun 7/2

6:02 a.m.-3:20 p.m.

2 stops10h 18m

C$ 895

MontrealSantiago de los Caballeros

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

YULSTI

Montreal Pierre Elliott Trudeau Intl

Wed 16/12

9:00 a.m.-12:55 p.m.

1 stop26h 55m

Santiago de los Caballeros

Sat 23/1

1:30 p.m.-11:25 p.m.

2 stops34h 55m

C$ 1,146

MontrealSantiago de los Caballeros

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

YULSTI

Montreal Pierre Elliott Trudeau Intl

Wed 16/12

7:00 a.m.-12:55 a.m.

2 stops16h 55m

Santiago de los Caballeros

Sat 23/1

8:05 p.m.-11:10 p.m.

2 stops28h 05m

C$ 1,176

MontrealSantiago de los Caballeros

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

YULSTI

Montreal Pierre Elliott Trudeau Intl

Wed 16/12

2:30 p.m.-12:55 a.m.

1 stop9h 25m

Santiago de los Caballeros

Sat 23/1

8:05 p.m.-8:42 a.m.

1 stop13h 37m

C$ 1,176

Flights are sorted by cheapest round-trip flights first.

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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 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$ 588. If you are unable to visit Santiago de los Caballeros during the month of March, then departing from Montreal during the month February is also very affordable. Most momondo users find prices during this month for around C$ 864.

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$ 461

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$ 461. The best round-trip flight deal from Montreal to Santiago de los Caballeros found on momondo in the last 72 hours is C$ 870.
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.
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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?

  • 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$ 663Free CancellationRating
7.4
10,106 reviews
Search United Airlines flights
American AirlinesPriceFrom C$ 876Free CancellationRating
7.1
11,944 reviews
Search American Airlines flights

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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.

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