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Cheap flights from Montreal to Saint Thomas Island from C$ 539

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 14/4. Fares are subject to change and may not be available on all flights or dates of travel.
YMQ — STT
4 Mar — 11 Mar1
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 2 February 2026.

Tue 14/46:45 a.m.
YUL
-
STT
1 stop8h 43m
Multiple Airlines
Tue 21/44:40 p.m.
STT
-
YUL
2 stops31h 58m
Multiple Airlines
Deal found 31/1C$ 539
Sun 8/36:45 a.m.
YUL
-
STT
1 stop8h 49m
Multiple Airlines
Tue 17/34:35 p.m.
STT
-
YUL
2 stops18h 11m
Multiple Airlines
Deal found 31/1C$ 551
Wed 11/36:45 a.m.
YUL
-
STT
1 stop8h 49m
Multiple Airlines
Wed 25/34:35 p.m.
STT
-
YUL
1 stop23h 45m
Multiple Airlines
Deal found 31/1C$ 557
Thu 16/45:25 p.m.
YUL
-
STT
2 stops20h 06m
Multiple Airlines
Fri 24/44:40 p.m.
STT
-
YUL
1 stop22h 30m
Multiple Airlines
Deal found 31/1C$ 617

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 2 February 2026.

Round-trip from

C$ 539
14/4-21/4
  • 14/4-21/4
  • 3 total stops
  • 40h 41m 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 2 February 2026.
Use the filters below to find and compare flights from Montreal to Saint Thomas Island that are best for you.

Fly from

Montreal

Fly to

Saint Thomas Island

Route

Depart

Return

Price

MontrealSaint Thomas Island

YUL - STT

YULSTT

Montreal Pierre Elliott Trudeau Intl

Tue 14/4

6:45 a.m.-3:28 p.m.

1 stop8h 43m

Saint Thomas Island Cyril E King

Tue 21/4

4:40 p.m.-12:38 a.m.

2 stops31h 58m

C$ 539

MontrealSaint Thomas Island

YUL - STT

YULSTT

Montreal Pierre Elliott Trudeau Intl

Sun 8/3

4:10 p.m.-1:31 p.m.

3 stops21h 21m

Saint Thomas Island Cyril E King

Tue 17/3

4:35 p.m.-11:40 a.m.

3 stops19h 05m

C$ 610

MontrealSaint Thomas Island

YUL - STT

YULSTT

Montreal Pierre Elliott Trudeau Intl

Thu 16/4

6:45 a.m.-3:34 p.m.

1 stop8h 49m

Saint Thomas Island Cyril E King

Fri 24/4

4:40 p.m.-3:10 p.m.

1 stop22h 30m

C$ 621

MontrealSaint Thomas Island

YUL - STT

YULSTT

Montreal Pierre Elliott Trudeau Intl

Sun 8/3

6:00 a.m.-3:18 p.m.

1 stop9h 18m

Saint Thomas Island Cyril E King

Tue 17/3

12:02 p.m.-7:48 p.m.

1 stop7h 46m

C$ 645

MontrealSaint Thomas Island

YUL - STT

YULSTT

Montreal Pierre Elliott Trudeau Intl

Wed 11/3

6:00 a.m.-3:18 p.m.

1 stop9h 18m

Saint Thomas Island Cyril E King

Thu 26/3

12:02 p.m.-7:48 p.m.

1 stop7h 46m

C$ 711

MontrealSaint Thomas Island

YUL - STT

YULSTT

Montreal Pierre Elliott Trudeau Intl

Thu 12/3

6:00 a.m.-3:18 p.m.

1 stop9h 18m

Saint Thomas Island Cyril E King

Tue 24/3

12:02 p.m.-7:48 p.m.

1 stop7h 46m

C$ 711

MontrealSaint Thomas Island

YUL - STT

YULSTT

Montreal Pierre Elliott Trudeau Intl

Sun 8/3

6:00 a.m.-3:18 p.m.

1 stop9h 18m

Saint Thomas Island Cyril E King

Thu 26/3

12:02 p.m.-7:48 p.m.

1 stop7h 46m

C$ 711

MontrealSaint Thomas Island

YUL - STT

YULSTT

Montreal Pierre Elliott Trudeau Intl

Tue 10/3

6:00 a.m.-3:18 p.m.

1 stop9h 18m

Saint Thomas Island Cyril E King

Tue 24/3

12:02 p.m.-7:48 p.m.

1 stop7h 46m

C$ 762

MontrealSaint Thomas Island

YUL - STT

YULSTT

Montreal Pierre Elliott Trudeau Intl

Mon 9/3

3:57 p.m.-1:03 p.m.

2 stops21h 06m

Saint Thomas Island Cyril E King

Wed 25/3

3:40 p.m.-12:24 p.m.

2 stops20h 44m

C$ 790

MontrealSaint Thomas Island

YUL - STT

YULSTT

Montreal Pierre Elliott Trudeau Intl

Wed 11/2

8:00 a.m.-2:31 p.m.

2 stops29h 31m

Saint Thomas Island Cyril E King

Tue 17/2

5:40 p.m.-4:22 p.m.

1 stop23h 42m

C$ 814

Flights are sorted by cheapest round-trip flights first.

Deals found on 31/1

Showing 1-10 of 11 results
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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 38% 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$ 200.

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 18m. United Airlines provides one of the quickest options available for as low as C$ 645. The distance between Montreal and Saint Thomas Island is about 3121 km.

  • What are the cheapest airlines flying from Montreal to Saint Thomas Island round-trip?

    American Airlines, at C$ 353, was found to be the cheapest airline from Montreal to Saint Thomas Island. An alternate airline flying to your destination would be United Airlines.

  • 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

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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 Saint Thomas Island flights
Pierre Elliott Trudeau Intl to Christiansted 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 2 February 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapestC$ 353AverageC$ 719FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
United AirlinesCheapestC$ 521AverageC$ 1,011FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

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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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