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Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to Santiago de los Caballeros from C$ 377

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 21/2. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — STI
23 Feb — 2 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Pierre Elliott Trudeau Intl to Santiago de los Caballeros

Enter your travel dates to find the best prices.

Cheapest flights from Pierre Elliott Trudeau Intl to Santiago de los Caballeros
Explore the most affordable flight options available from Pierre Elliott Trudeau Intl to Santiago de los Caballeros. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 24 January 2026.

Sun 3/56:00 a.m.
YUL
-
STI
1 stop9h 12m
United Airlines
Sun 10/52:07 p.m.
STI
-
YUL
2 stops20h 33m
United Airlines
Deal found 23/1C$ 707
Sat 7/26:00 a.m.
YUL
-
STI
2 stops16h 51m
United Airlines
Wed 11/26:00 a.m.
STI
-
YUL
1 stop8h 28m
United Airlines
Deal found 23/1C$ 740
Sun 3/57:14 a.m.
YUL
-
STI
1 stop29h 09m
American Airlines
Sun 10/51:32 p.m.
STI
-
YUL
1 stop9h 56m
American Airlines
Deal found 23/1C$ 822
Sun 15/37:30 a.m.
YUL
-
STI
2 stops29h 00m
American Airlines
Sun 29/37:00 a.m.
STI
-
YUL
1 stop16h 29m
American Airlines
Deal found 22/1C$ 831
Mon 9/36:00 a.m.
YUL
-
STI
2 stops16h 51m
United Airlines
Mon 23/33:00 p.m.
STI
-
YUL
2 stops23h 00m
United Airlines
Deal found 23/1C$ 842
Sat 7/37:30 a.m.
YUL
-
STI
2 stops28h 00m
American Airlines
Sat 21/37:00 a.m.
STI
-
YUL
1 stop16h 29m
American Airlines
Deal found 23/1C$ 882
Sun 25/17:00 a.m.
YUL
-
STI
1 stop7h 32m
American Airlines
Mon 26/14:33 p.m.
STI
-
YUL
2 stops22h 12m
American Airlines
Deal found 23/1C$ 886
Thu 11/67:14 a.m.
YUL
-
STI
1 stop13h 47m
American Airlines
Fri 10/77:00 a.m.
STI
-
YUL
1 stop16h 23m
American Airlines
Deal found 23/1C$ 927

Find flight deals from Pierre Elliott Trudeau Intl to Santiago de los Caballeros

Discover tips and strategies to find the most affordable flight options for your journey from Pierre Elliott Trudeau Intl (YUL) to Santiago de los Caballeros (STI). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 24 January 2026.

Round-trip from

C$ 707

One-way from

C$ 356

Popular in

July

Cheapest in

March

Average price

C$ 777
United Airlines
  • United Airlines
  • 3/5-10/5
  • 3 total stops
  • 29h 45m total
  • Montreal to Santiago de los Caballeros
Search Deals
2/3
  • 2/3
  • 2 total stops
  • 21h 10m total
  • Montreal to Santiago de los Caballeros
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (C$ 218 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease (C$ 99 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Pierre Elliott Trudeau Intl 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, Cheapflights users made 629,999 searches. Data last updated 24 January 2026.
Use the filters below to find and compare flights from Montreal Pierre Elliott Trudeau Intl Airport to Santiago de los Caballeros that are best for you.

Fly from

Pierre Elliott Trudeau Intl

Fly to

Santiago de los Caballeros

Route

Depart

Return

Price

MontrealSantiago de los Caballeros

YUL - STI

YULSTI

Montreal Pierre Elliott Trudeau Intl

Sun 3/5

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

1 stop9h 12m

Santiago de los Caballeros

Sun 10/5

2:07 p.m.-10:40 a.m.

2 stops20h 33m

C$ 707

MontrealSantiago de los Caballeros

YUL - STI

YULSTI

Montreal Pierre Elliott Trudeau Intl

Sat 7/2

3:00 p.m.-11:51 p.m.

1 stop7h 51m

Santiago de los Caballeros

Wed 11/2

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

1 stop8h 28m

C$ 740

MontrealSantiago de los Caballeros

YUL - STI

YULSTI

Montreal Pierre Elliott Trudeau Intl

Sun 3/5

7:14 a.m.-12:23 p.m.

1 stop29h 09m

Santiago de los Caballeros

Sun 10/5

1:32 p.m.-11:28 p.m.

1 stop9h 56m

C$ 822

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$ 831

MontrealSantiago de los Caballeros

YUL - STI

YULSTI

Montreal Pierre Elliott Trudeau Intl

Sat 21/2

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

2 stops13h 36m

C$ 377

MontrealSantiago de los Caballeros

YUL - STI

YULSTI

Montreal Pierre Elliott Trudeau Intl

Mon 23/2

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

1 stop6h 53m

C$ 377

MontrealSantiago de los Caballeros

YUL - STI

YULSTI

Montreal Pierre Elliott Trudeau Intl

Fri 27/2

1:40 p.m.-3:35 p.m.

3 stops48h 55m

C$ 385

MontrealSantiago de los Caballeros

YUL - STI

YULSTI

Montreal Pierre Elliott Trudeau Intl

Sun 1/3

10:55 a.m.-3:35 p.m.

3 stops27h 40m

C$ 393

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

C$ 399

MontrealSantiago de los Caballeros

YUL - STI

YULSTI

Montreal Pierre Elliott Trudeau Intl

Fri 30/1

3:00 p.m.-11:51 p.m.

1 stop7h 51m

C$ 419

Flights are sorted by cheapest round-trip flights first.

Deals found on 24/1

Showing 1-10 of 14 results
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Best time to book a flight from Pierre Elliott Trudeau Intl to Santiago de los Caballeros

Have a flexible travel schedule? Discover the best time to fly to Santiago de los Caballeros from Pierre Elliott Trudeau Intl with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Montreal Pierre Elliott Trudeau Intl Airport to Santiago de los Caballeros

What is the cheapest month to book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Santiago de los Caballeros?

Currently, October is the cheapest month in which you can book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Santiago de los Caballeros (average of C$ 304). Flying from Montreal Pierre Elliott Trudeau Intl Airport to Santiago de los Caballeros in July is currently the most expensive (average of C$ 611). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Santiago de los Caballeros

Get insights into the airlines that provide service to Santiago de los Caballeros. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Santiago de los Caballeros. Reviews last updated 24 January 2026.
Read through reviews of airlines operating flights from Montreal Pierre Elliott Trudeau Intl Airport to Santiago de los Caballeros, such as United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,198 reviews
Check prices

Comfort

7.3

Entertainment

7.1

Overall

7.4

Crew

8.1

Food

6.6

Boarding

7.7

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats
United Airlines
7.4
Good
9,198 reviews
United Airlines
7.4
Good
9,198 reviews
Check prices

Comfort

7.3

Entertainment

7.1

Overall

7.4

Crew

8.1

Food

6.6

Boarding

7.7

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats

Related info for your journey

Find useful and relevant information for your journey from Pierre Elliott Trudeau Intl to Santiago de los Caballeros. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Santiago de los Caballeros from Montreal Pierre Elliott Trudeau Intl?

    Santiago de los Caballeros (STI), located 10.9 km from the city centre, is the airport you fly into when you book flights from Montreal Pierre Elliott Trudeau Intl to Santiago de los Caballeros. 1 airline have flights to Santiago from Montreal Pierre Elliott Trudeau Intl on a regular basis. Booking flights from Montreal Pierre Elliott Trudeau Intl to Santiago de los Caballeros should not be difficult; the airport handles an average of 0 inbound flights from Montreal Pierre Elliott Trudeau Intl per day.

  • How long is the flight from Montreal Pierre Elliott Trudeau Intl Airport to Santiago de los Caballeros?

    For as low as C$ 707, United Airlines can have you in Santiago de los Caballeros from Montreal Pierre Elliott Trudeau Intl Airport in 9h 12m. Montreal Pierre Elliott Trudeau Intl Airport and Santiago de los Caballeros are separated by a distance of 2910 km.

  • What is the cheapest airline to fly from Montreal Pierre Elliott Trudeau Intl Airport to Santiago de los Caballeros round-trip?

    According to our current data, United Airlines (C$ 625), offers the cheapest pricing from Montreal Pierre Elliott Trudeau Intl Airport to Santiago de los Caballeros. United Airlines is priced at 36% lower than the current average price of a flight leaving 3 months from now.

  • Can I find deals for flights from Pierre Elliott Trudeau Intl to Santiago de los Caballeros that include hotel bookings?

    Yes. In addition to deals on Pierre Elliott Trudeau Intl to Santiago de los Caballeros flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Pierre Elliott Trudeau Intl to Santiago de los Caballeros?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Pierre Elliott Trudeau Intl to Santiago de los Caballeros.

  • Can I find deals for business class flights from Pierre Elliott Trudeau Intl to Santiago de los Caballeros?

    Yes. Cheapflights offers flight deals from Pierre Elliott Trudeau Intl to Santiago de los Caballeros by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Santiago de los Caballeros?

    Currently, October is the cheapest month in which you can book a flight from Montreal Pierre Elliott Trudeau Intl Airport to Santiago de los Caballeros (average of C$ 304). Flying from Montreal Pierre Elliott Trudeau Intl Airport to Santiago de los Caballeros in July is currently the most expensive (average of C$ 611). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Pierre Elliott Trudeau Intl to Santiago de los Caballeros

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Pierre Elliott Trudeau Intl to Santiago de los Caballeros

Discover the top airline that operate flights from Pierre Elliott Trudeau Intl to Santiago de los Caballeros. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 24 January 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 625AverageC$ 924FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

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How does Cheapflights help users find flights from Pierre Elliott Trudeau Intl to Santiago de los Caballeros?

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Millions of users choose and trust Cheapflights to book the best flight deals from Pierre Elliott Trudeau Intl to Santiago de los Caballeros for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Pierre Elliott Trudeau Intl to Santiago de los Caballeros with no change fees?

Need flexible booking options for your flight to Santiago de los Caballeros from Pierre Elliott Trudeau Intl? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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