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Cheap flights from Montreal to Saint Thomas Island from C$ 676

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 3/1. Fares are subject to change and may not be available on all flights or dates of travel.
YMQ — STT
21 Jan — 28 Jan1
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 22 December 2025.

Mon 22/123:00 p.m.YUL - STT
1 stop20h 00mAir Canada
Sun 4/16:45 p.m.STT - YUL
2 stops24h 38mAir Canada
Deal found 21/12C$ 1,654
Mon 22/125:25 p.m.YUL - STT
2 stops17h 06mMultiple Airlines
Sun 4/13:23 p.m.STT - YUL
3 stops25h 00mMultiple Airlines
Deal found 21/12C$ 2,028

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 22 December 2025.

Round-trip from

C$ 701

One-way from

C$ 676
2/3-11/3
  • 2/3-11/3
  • 3 total stops
  • 44h 39m total
  • Montreal to Saint Thomas Island
Search Deals
3/1
  • 3/1
  • 2 total stops
  • 42h 36m 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 22 December 2025.
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

Sat 14/2

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

2 stops29h 31m

Saint Thomas Island Cyril E King

Sat 21/2

5:40 p.m.-12:45 a.m.

1 stop8h 05m

C$ 708

MontrealSaint Thomas Island

YUL - STT

YULSTT

Montreal Pierre Elliott Trudeau Intl

Sun 8/2

8:00 a.m.-2:52 p.m.

2 stops29h 52m

Saint Thomas Island Cyril E King

Sat 14/2

3:36 p.m.-12:30 a.m.

1 stop9h 54m

C$ 712

MontrealSaint Thomas Island

YUL - STT

YULSTT

Montreal Pierre Elliott Trudeau Intl

Tue 3/3

5:25 p.m.-4:34 p.m.

2 stops22h 09m

Saint Thomas Island Cyril E King

Tue 10/3

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

1 stop22h 30m

C$ 763

MontrealSaint Thomas Island

YUL - STT

YULSTT

Montreal Pierre Elliott Trudeau Intl

Tue 17/3

7:12 a.m.-3:40 p.m.

1 stop8h 28m

Saint Thomas Island Cyril E King

Mon 23/3

5:37 p.m.-3:22 p.m.

2 stops21h 45m

C$ 766

MontrealSaint Thomas Island

YUL - STT

YULSTT

Montreal Pierre Elliott Trudeau Intl

Sun 18/1

6:45 a.m.-2:52 p.m.

3 stops31h 07m

Saint Thomas Island Cyril E King

Sun 25/1

5:42 p.m.-9:25 p.m.

2 stops28h 43m

C$ 782

MontrealSaint Thomas Island

YUL - STT

YULSTT

Montreal Pierre Elliott Trudeau Intl

Tue 3/3

6:00 p.m.-3:04 p.m.

1 stop20h 04m

Saint Thomas Island Cyril E King

Tue 10/3

1:55 p.m.-5:31 p.m.

1 stop27h 36m

C$ 809

MontrealSaint Thomas Island

YUL - STT

YULSTT

Montreal Pierre Elliott Trudeau Intl

Mon 2/3

6:00 p.m.-3:04 p.m.

1 stop20h 04m

Saint Thomas Island Cyril E King

Wed 11/3

3:00 p.m.-5:31 p.m.

1 stop26h 31m

C$ 809

MontrealSaint Thomas Island

YUL - STT

YULSTT

Montreal Pierre Elliott Trudeau Intl

Mon 2/3

6:00 p.m.-3:04 p.m.

1 stop20h 04m

Saint Thomas Island Cyril E King

Tue 10/3

12:49 p.m.-11:37 a.m.

1 stop22h 48m

C$ 809

MontrealSaint Thomas Island

YUL - STT

YULSTT

Montreal Pierre Elliott Trudeau Intl

Mon 2/3

6:00 p.m.-3:04 p.m.

1 stop20h 04m

Saint Thomas Island Cyril E King

Thu 12/3

12:49 p.m.-11:37 a.m.

1 stop22h 48m

C$ 809

MontrealSaint Thomas Island

YUL - STT

YULSTT

Montreal Pierre Elliott Trudeau Intl

Wed 4/3

7:00 a.m.-12:40 p.m.

1 stop28h 40m

Saint Thomas Island Cyril E King

Thu 12/3

12:49 p.m.-11:37 a.m.

1 stop22h 48m

C$ 809

Flights are sorted by cheapest round-trip flights first.

Deals found on 21/12

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 is the cheapest time of day to fly from YMQ to STT?

Find hourly flight availability from Montreal to Saint Thomas Island. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 22 December 2025.

It’s typically best to fly out from Montreal to Saint Thomas Island at noon. Doing so could potentially save you 60% on the flight price compared to flying in the evening, which is usually more expensive.

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 55% 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$ 203.

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 Toronto (YYZ) have the shortest average one-way travel time for 1-stop routes: 7h 33m.

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 Toronto (YYZ) offer the fastest connection on this route, with an average layover time of 2h 09m.

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 8h 28m. American Airlines provides one of the quickest options available for as low as C$ 766. 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$ 357, 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 22 December 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapestC$ 385AverageC$ 900FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
United AirlinesCheapestC$ 528AverageC$ 1,025FlexibilityNo 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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