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Cheap flights from Montreal to Saint Thomas Island from C$ 351

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 8/5. Fares are subject to change and may not be available on all flights or dates of travel.
YMQ — STT
23 Apr — 30 Apr1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Montreal to Saint Thomas Island

Enter your travel dates to find the best prices.

Cheapest flights from Montreal to Saint Thomas Island
Explore the most affordable flight options available from Montreal to Saint Thomas Island. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 24 March 2026.

Wed 15/46:10 a.m.
YUL
-
STT
1 stop9h 21m
United Airlines
Wed 29/41:22 p.m.
STT
-
YUL
1 stop8h 44m
United Airlines
Deal found 22/3C$ 671
Tue 21/46:10 a.m.
YUL
-
STT
1 stop9h 21m
United Airlines
Tue 28/44:45 p.m.
STT
-
YUL
1 stop7h 28m
United Airlines
Deal found 22/3C$ 672
Mon 20/48:00 a.m.
YUL
-
STT
1 stop8h 15m
Multiple Airlines
Mon 27/45:10 p.m.
STT
-
YUL
2 stops25h 15m
Multiple Airlines
Deal found 21/3C$ 676
Mon 18/511:00 a.m.
YUL
-
STT
2 stops26h 09m
Multiple Airlines
Thu 28/52:04 p.m.
STT
-
YUL
1 stop24h 46m
Multiple Airlines
Deal found 21/3C$ 715
Mon 20/46:00 a.m.
YUL
-
STT
1 stop7h 08m
United Airlines
Wed 22/41:22 p.m.
STT
-
YUL
1 stop8h 44m
United Airlines
Deal found 19/3C$ 725
Mon 13/46:10 a.m.
YUL
-
STT
1 stop9h 21m
United Airlines
Thu 16/41:22 p.m.
STT
-
YUL
1 stop8h 44m
United Airlines
Deal found 21/3C$ 726
Wed 15/46:45 a.m.
YUL
-
STT
1 stop9h 30m
Multiple Airlines
Wed 29/412:25 p.m.
STT
-
YUL
2 stops30h 00m
Multiple Airlines
Deal found 22/3C$ 727
Sun 26/46:10 a.m.
YUL
-
STT
1 stop9h 21m
United Airlines
Tue 5/54:45 p.m.
STT
-
YUL
1 stop7h 28m
United Airlines
Deal found 23/3C$ 737
Mon 1/67:15 p.m.
YUL
-
STT
2 stops17h 54m
Multiple Airlines
Fri 5/65:10 p.m.
STT
-
YUL
1 stop21h 40m
Multiple Airlines
Deal found 23/3C$ 740
Tue 21/46:45 a.m.
YUL
-
STT
1 stop9h 30m
Multiple Airlines
Tue 28/412:25 p.m.
STT
-
YUL
2 stops30h 00m
Multiple Airlines
Deal found 22/3C$ 764
Fri 17/46:45 a.m.
YUL
-
STT
1 stop28h 45m
Multiple Airlines
Sun 26/45:10 p.m.
STT
-
YUL
1 stop23h 18m
Multiple Airlines
Deal found 20/3C$ 784

Find flight deals from Montreal to Saint Thomas Island

Discover tips and strategies to find the most affordable flight options for your journey from Montreal (YMQ) to Saint Thomas Island (STT). 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 March 2026.

Round-trip from

C$ 671

One-way from

C$ 351
United Airlines
  • United Airlines
  • 15/4-29/4
  • 2 total stops
  • 18h 05m total
  • Montreal to Saint Thomas Island
Search Deals
8/5
  • 8/5
  • 1 total stop
  • 9h 30m total
  • Montreal to Saint Thomas Island
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Montreal to Saint Thomas Island 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 March 2026.
Use the filters below to find and compare flights from Montreal to Saint Thomas Island that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

MontrealSaint Thomas Island

YUL - STT

YULSTT

Montreal Pierre Elliott Trudeau Intl

Tue 21/4

6:10 a.m.-3:31 p.m.

1 stop9h 21m

Saint Thomas Island Cyril E King

Tue 28/4

4:45 p.m.-12:13 a.m.

1 stop7h 28m

C$ 672
Quickest round-trip

MontrealSaint Thomas Island

YUL - STT

YULSTT

Montreal Pierre Elliott Trudeau Intl

Mon 20/4

6:00 a.m.-1:08 p.m.

1 stop7h 08m

Saint Thomas Island Cyril E King

Wed 22/4

1:22 p.m.-10:06 p.m.

1 stop8h 44m

C$ 725

MontrealSaint Thomas Island

YUL - STT

YULSTT

Montreal Pierre Elliott Trudeau Intl

Mon 13/4

6:10 a.m.-3:31 p.m.

1 stop9h 21m

Saint Thomas Island Cyril E King

Thu 16/4

1:22 p.m.-10:06 p.m.

1 stop8h 44m

C$ 726

MontrealSaint Thomas Island

YUL - STT

YULSTT

Montreal Pierre Elliott Trudeau Intl

Sun 26/4

6:10 a.m.-3:31 p.m.

1 stop9h 21m

Saint Thomas Island Cyril E King

Tue 5/5

4:45 p.m.-12:13 a.m.

1 stop7h 28m

C$ 737

MontrealSaint Thomas Island

YUL - STT

YULSTT

Montreal Pierre Elliott Trudeau Intl

Tue 21/4

6:45 a.m.-4:15 p.m.

1 stop9h 30m

Saint Thomas Island Cyril E King

Tue 28/4

12:25 p.m.-6:25 p.m.

2 stops30h 00m

C$ 764

MontrealSaint Thomas Island

YUL - STT

YULSTT

Montreal Pierre Elliott Trudeau Intl

Mon 20/4

6:00 a.m.-1:08 p.m.

1 stop7h 08m

Saint Thomas Island Cyril E King

Mon 27/4

1:22 p.m.-10:06 p.m.

1 stop8h 44m

C$ 785

MontrealSaint Thomas Island

YUL - STT

YULSTT

Montreal Pierre Elliott Trudeau Intl

Fri 17/4

6:45 a.m.-11:30 a.m.

1 stop28h 45m

Saint Thomas Island Cyril E King

Sat 25/4

10:49 a.m.-12:30 a.m.

1 stop13h 41m

C$ 796

MontrealSaint Thomas Island

YUL - STT

YULSTT

Montreal Pierre Elliott Trudeau Intl

Sat 18/4

4:25 p.m.-11:30 a.m.

1 stop19h 05m

Saint Thomas Island Cyril E King

Sat 25/4

12:25 p.m.-4:25 p.m.

2 stops28h 00m

C$ 807
Cheapest one-way

MontrealSaint Thomas Island

YUL - STT

YULSTT

Montreal Pierre Elliott Trudeau Intl

Fri 8/5

6:45 a.m.-4:15 p.m.

1 stop9h 30m

C$ 351

MontrealSaint Thomas Island

YUL - STT

YULSTT

Montreal Pierre Elliott Trudeau Intl

Fri 24/4

8:00 a.m.-4:15 p.m.

1 stop8h 15m

C$ 360

Flights are sorted by cheapest round-trip flights first.

Deals found on 24/3

Showing 1-10 of 15 resultsSorted by cheapest first
1
2

Best time to book a flight from Montreal to Saint Thomas Island

Have a flexible travel schedule? Discover the best time to fly to Saint Thomas Island from Montreal 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 to Saint Thomas Island

What’s the top layover airport for flights from Montreal to Saint Thomas Island?

Share of one-stop round-trip flights from Montreal to Saint Thomas Island chosen by Cheapflights users in the past 12 months, using the same layover each way.

Newark (EWR) – chosen by Cheapflights users on 50% of one-stop itineraries from Montreal to Saint Thomas Island on Cheapflights.

What’s the cheapest layover airport for flights from Montreal to Saint Thomas Island?

Average round-trip fare for 1-stop flights from Montreal to Saint Thomas Island, chosen by Cheapflights users in the past 12 months, with the same layover each way.

Toronto (YYZ) is the most affordable 1-stop option, with an average round-trip price of C$ 201.

What’s the fastest layover option from Montreal to Saint Thomas Island?

Shortest average travel time for 1-stop one-way flights from Montreal to Saint Thomas Island, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Flights via Newark (EWR) have the shortest average one-way travel time for 1-stop routes: 7h 08m.

Which airport typically offers the quickest layover for flights from Montreal to Saint Thomas Island?

Average layover duration for 1-stop one-way flights from Montreal to Saint Thomas Island, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Newark (EWR) offer the fastest connection on this route, with an average layover time of 1h 32m.

Related info for your journey

Find useful and relevant information for your journey from Montreal to Saint Thomas Island. 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 Saint Thomas Island from Montreal?

    If you book a flight to Saint Thomas Island from Montreal, you will be flying to Cyril E King, which is the city’s only airport. Saint Thomas Island Cyril E King (STT) is located 4.6 km from the centre of Saint Thomas Island. There are 0 flights from Montreal to Cyril E King per day from 2 different airlines.

  • How long is the flight from Montreal to Saint Thomas Island?

    A quick flight from Montreal to Saint Thomas Island can take about 9h 21m. United Airlines provides one of the quickest options available for as low as C$ 671. The distance between Montreal and Saint Thomas Island is about 3121 km.

  • Can I find deals for flights from Montreal to Saint Thomas Island that include hotel bookings?

    Yes. In addition to deals on Montreal to Saint Thomas Island flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Montreal to Saint Thomas Island?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Montreal to Saint Thomas Island.

  • Can I find deals for business class flights from Montreal to Saint Thomas Island?

    Yes. Cheapflights offers flight deals from Montreal to Saint Thomas Island by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Montreal to Saint Thomas Island

See prices for flight routes from nearby airports that may be better suited for you.
Pierre Elliott Trudeau Intl to Christiansted flights
Pierre Elliott Trudeau Intl to Saint Thomas Island flights
Ottawa to Christiansted flights

Top 2 airlines flying from Montreal to Saint Thomas Island

Discover the top 2 airlines that operate flights from Montreal to Saint Thomas Island. 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 March 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapestC$ 355AverageC$ 720FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
United AirlinesCheapestC$ 593AverageC$ 670FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Montreal to Saint Thomas Island?

Cheapflights helps you search for flights from Montreal to Saint Thomas Island via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Montreal to Saint Thomas Island?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Montreal to Saint Thomas Island for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Montreal to Saint Thomas Island with no change fees?

Yes! Cheapflights helps users easily find flights from Montreal to Saint Thomas Island with no change fees.

Can Cheapflights notify me if prices for flights from Montreal to Saint Thomas Island become cheaper?

Yes! Start tracking prices for Montreal to Saint Thomas Island flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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