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Cheap flights from Montreal to Santiago de los Caballeros from C$ 381

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 11/9. 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

United Airlines Logo
6:00 a.m. - 3:12 p.m.YUL-STI
9h 12m1 stop
United Airlines Logo
6:00 a.m. - 1:09 p.m.STI-YUL
7h 09m1 stop
C$ 658United Airlines
Find Deal
Wed, 24 Sep - Tue, 7 Oct
United Airlines Logo
6:00 a.m. - 3:12 p.m.YUL-STI
9h 12m1 stop
United Airlines Logo
2:07 p.m. - 10:06 p.m.STI-YUL
7h 59m1 stop
C$ 659United Airlines
Find Deal
Mon, 15 Sep - Mon, 22 Sep
United Airlines Logo
6:30 a.m. - 11:51 p.m.YUL-STI
16h 21m2 stops
United Airlines Logo
6:00 a.m. - 8:18 p.m.STI-YUL
15h 18m2 stops
C$ 662United Airlines
Find Deal
Wed, 4 Feb - Sat, 7 Feb
American Airlines Logo
12:59 p.m. - 12:27 p.m.YUL-STI
23h 28m2 stops
American Airlines Logo
1:29 p.m. - 2:49 p.m.STI-YUL
25h 20m2 stops
C$ 672American Airlines
Find Deal
Thu, 4 Sep - Mon, 15 Sep
American Airlines Logo
7:00 a.m. - 12:31 p.m.YUL-STI
29h 31m1 stop
American Airlines Logo
1:29 p.m. - 3:33 p.m.STI-YUL
26h 04m2 stops
C$ 691American Airlines
Find Deal
Fri, 29 Aug - Fri, 19 Sep
United Airlines Logo
9:15 a.m. - 11:51 p.m.YUL-STI
13h 36m2 stops
United Airlines Logo
6:00 a.m. - 8:18 p.m.STI-YUL
15h 18m2 stops
C$ 707United Airlines
Find Deal
Wed, 4 Feb - Sun, 8 Feb
Delta Logo
7:45 p.m. - 1:08 p.m.YUL-STI
16h 23m1 stop
Delta Logo
8:11 p.m. - 8:47 a.m.STI-YUL
13h 36m1 stop
C$ 710Delta
Find Deal
Fri, 6 Feb - Mon, 9 Feb
Delta Logo
7:45 p.m. - 1:08 p.m.YUL-STI
16h 23m1 stop
Delta Logo
6:35 a.m. - 6:49 p.m.STI-YUL
13h 14m1 stop
C$ 734Delta
Find Deal
Wed, 4 Feb - Sun, 8 Feb
Logo
6:45 a.m. - 11:03 a.m.YUL-STI
28h 18m2 stops
Logo
12:10 p.m. - 2:50 p.m.STI-YUL
26h 40m1 stop
C$ 752
Find Deal
Thu, 18 Sep - Thu, 25 Sep
Logo
6:45 a.m. - 5:06 p.m.YUL-STI
9h 21m1 stop
Logo
6:18 p.m. - 4:28 p.m.STI-YUL
23h 10m1 stop
C$ 1,590
Find Deal
Sat, 27 Dec - Sun, 8 Feb

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
24 Sep
YUL6:00 a.m.Montreal Pierre Elliott Trudeau Intl
9h 12m
1 stop
STI3:12 p.m.Santiago de los Caballeros
7 Oct
STI6:00 a.m.Santiago de los Caballeros
7h 09m
1 stop
YUL1:09 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 658
Find similar
United Airlines
15 Sep
YUL6:00 a.m.Montreal Pierre Elliott Trudeau Intl
9h 12m
1 stop
STI3:12 p.m.Santiago de los Caballeros
22 Sep
STI2:07 p.m.Santiago de los Caballeros
7h 59m
1 stop
YUL10:06 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 659
Find similar
United Airlines
4 Feb
YUL6:30 a.m.Montreal Pierre Elliott Trudeau Intl
16h 21m
2 stops
STI11:51 p.m.Santiago de los Caballeros
7 Feb
STI6:00 a.m.Santiago de los Caballeros
15h 18m
2 stops
YUL8:18 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 662
Find similar

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
4 Sep
YUL12:59 p.m.Montreal Pierre Elliott Trudeau Intl
23h 28m
2 stops
STI12:27 p.m.Santiago de los Caballeros
15 Sep
STI1:29 p.m.Santiago de los Caballeros
25h 20m
2 stops
YUL2:49 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 672
Find similar
American Airlines
29 Aug
YUL7:00 a.m.Montreal Pierre Elliott Trudeau Intl
29h 31m
1 stop
STI12:31 p.m.Santiago de los Caballeros
19 Sep
STI1:29 p.m.Santiago de los Caballeros
26h 04m
2 stops
YUL3:33 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 691
Find similar
American Airlines
20 Aug
YUL5:29 p.m.Montreal Pierre Elliott Trudeau Intl
27h 19m
2 stops
STI8:48 p.m.Santiago de los Caballeros
29 Aug
STI1:31 p.m.Santiago de los Caballeros
24h 13m
2 stops
YUL1:44 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 799
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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 18 August 2025.
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

Wed 24/9

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

1 stop9h 12m

Santiago de los Caballeros

Tue 7/10

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

1 stop7h 09m

C$ 658

MontrealSantiago de los Caballeros

YUL - STI

YULSTI

Montreal Pierre Elliott Trudeau Intl

Mon 15/9

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

1 stop9h 12m

Santiago de los Caballeros

Mon 22/9

2:07 p.m.-10:06 p.m.

1 stop7h 59m

C$ 659

MontrealSantiago de los Caballeros

YUL - STI

YULSTI

Montreal Pierre Elliott Trudeau Intl

Wed 4/2

6:30 a.m.-11:51 p.m.

2 stops16h 21m

Santiago de los Caballeros

Sat 7/2

6:00 a.m.-8:18 p.m.

2 stops15h 18m

C$ 662

MontrealSantiago de los Caballeros

YUL - STI

YULSTI

Montreal Pierre Elliott Trudeau Intl

Thu 4/9

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

2 stops23h 28m

Santiago de los Caballeros

Mon 15/9

1:29 p.m.-2:49 p.m.

2 stops25h 20m

C$ 672

MontrealSantiago de los Caballeros

YUL - STI

YULSTI

Montreal Pierre Elliott Trudeau Intl

Fri 29/8

7:00 a.m.-12:31 p.m.

1 stop29h 31m

Santiago de los Caballeros

Fri 19/9

1:29 p.m.-3:33 p.m.

2 stops26h 04m

C$ 691

MontrealSantiago de los Caballeros

YUL - STI

YULSTI

Montreal Pierre Elliott Trudeau Intl

Wed 4/2

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

2 stops13h 36m

Santiago de los Caballeros

Sun 8/2

6:00 a.m.-8:18 p.m.

2 stops15h 18m

C$ 707

MontrealSantiago de los Caballeros

YUL - STI

YULSTI

Montreal Pierre Elliott Trudeau Intl

Fri 6/2

7:45 p.m.-1:08 p.m.

1 stop16h 23m

Santiago de los Caballeros

Mon 9/2

8:11 p.m.-8:47 a.m.

1 stop13h 36m

C$ 710

MontrealSantiago de los Caballeros

YUL - STI

YULSTI

Montreal Pierre Elliott Trudeau Intl

Wed 4/2

7:45 p.m.-1:08 p.m.

1 stop16h 23m

Santiago de los Caballeros

Sun 8/2

6:35 a.m.-6:49 p.m.

1 stop13h 14m

C$ 734

MontrealSantiago de los Caballeros

YUL - STI

YULSTI

Montreal Pierre Elliott Trudeau Intl

Thu 18/9

6:45 a.m.-11:03 a.m.

2 stops28h 18m

Santiago de los Caballeros

Thu 25/9

12:10 p.m.-2:50 p.m.

1 stop26h 40m

C$ 752

MontrealSantiago de los Caballeros

YUL - STI

YULSTI

Montreal Pierre Elliott Trudeau Intl

Sat 27/12

6:45 a.m.-5:06 p.m.

1 stop9h 21m

Santiago de los Caballeros

Sun 8/2

6:18 p.m.-4:28 p.m.

1 stop23h 10m

C$ 1,590

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 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, January 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$ 528. If you are unable to visit Santiago de los Caballeros during the month of January, then departing from Montreal during the month October is also very affordable. Most momondo users find prices during this month for around C$ 576.

What is the cheapest day to depart on your flight to Santiago de los Caballeros?

On average, the least expensive day to fly to Santiago de los Caballeros from Montreal is on a Friday. momondo users have found tickets for Friday departures for as low as C$ 683. However, this price may fluctuate depending on the airline, the season, and holidays. If your travel schedule is flexible, try to avoid departing on a Tuesday because tickets tend to average around C$ 830. These prices are subject to change though, so be sure to set up a Price Alert for flights to Santiago de los Caballeros.

What is the cheapest time of day to depart on your flight to Santiago de los Caballeros?

Our most recent data shows that the best time of day to fly to Santiago de los Caballeros is in the afternoon. Flights from Montreal to Santiago de los Caballeros during this time can be as low as C$ 640. Flights in the morning are often more expensive with an average ticket price of C$ 740.

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$ 381

Fastest flight time

6h 53m

Direct flights

None

Airports in Santiago de los Caballeros

1 airport
The best one-way flight to Santiago de los Caballeros from Montreal in the past 72 hours is C$ 381. The best round-trip flight deal from Montreal to Santiago de los Caballeros found on momondo in the last 72 hours is C$ 658.
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. Popular non-direct route for this connection is Montreal Pierre Elliott Trudeau Intl Airport - Santiago de los Caballeros Airport.
There is 1 airport near Santiago de los Caballeros: Santiago de los Caballeros (STI)
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  • 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$ 606Free CancellationRating
7.4
8,925 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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