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Cheap flights from Montreal to Saint Thomas Island from C$ 644

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 31/10. Fares are subject to change and may not be available on all flights or dates of travel.
YMQ — STT
17 Oct — 24 Oct1
1 adult
1 adult, Economy

Cheap 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 17 September 2025.

Round-trip from

C$ 644
31/10-7/11
  • 31/10-7/11
  • 3 total stops
  • 48h 46m total
  • Montreal to Saint Thomas Island
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Find flight deals from Montreal to Saint Thomas Island

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 17 September 2025.

Fri 31/104:35 p.m.YUL - STT
1 stop20h 24mMultiple Airlines
Fri 7/111:33 p.m.STT - YUL
2 stops28h 22mMultiple Airlines
Deal found 16/9C$ 644
Sat 1/114:35 p.m.YUL - STT
1 stop21h 55mMultiple Airlines
Sat 8/114:06 p.m.STT - YUL
1 stop9h 24mMultiple Airlines
Deal found 17/9C$ 662
Sun 16/118:00 a.m.YUL - STT
1 stop27h 28mMultiple Airlines
Sun 23/114:06 p.m.STT - YUL
1 stop9h 24mMultiple Airlines
Deal found 15/9C$ 695
Sat 15/114:35 p.m.YUL - STT
2 stops18h 53mMultiple Airlines
Sun 23/114:06 p.m.STT - YUL
1 stop9h 24mMultiple Airlines
Deal found 15/9C$ 755

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 17 September 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

Fri 31/10

4:35 p.m.-12:59 p.m.

1 stop20h 24m

Saint Thomas Island Cyril E King

Fri 7/11

1:33 p.m.-4:55 p.m.

2 stops28h 22m

C$ 644

MontrealSaint Thomas Island

YUL - STT

YULSTT

Montreal Pierre Elliott Trudeau Intl

Sat 1/11

4:35 p.m.-2:30 p.m.

1 stop21h 55m

Saint Thomas Island Cyril E King

Sat 8/11

4:06 p.m.-12:30 a.m.

1 stop9h 24m

C$ 662

MontrealSaint Thomas Island

YUL - STT

YULSTT

Montreal Pierre Elliott Trudeau Intl

Sun 22/2

8:00 a.m.-12:28 p.m.

1 stop27h 28m

Saint Thomas Island Cyril E King

Fri 27/2

4:06 p.m.-12:30 a.m.

1 stop9h 24m

C$ 703

MontrealSaint Thomas Island

YUL - STT

YULSTT

Montreal Pierre Elliott Trudeau Intl

Sat 15/11

3:10 p.m.-3:11 p.m.

3 stops23h 01m

Saint Thomas Island Cyril E King

Sun 23/11

4:06 p.m.-12:30 a.m.

1 stop9h 24m

C$ 796

MontrealSaint Thomas Island

YUL - STT

YULSTT

Montreal Pierre Elliott Trudeau Intl

Mon 17/11

7:00 a.m.-3:49 p.m.

1 stop7h 49m

Saint Thomas Island Cyril E King

Mon 24/11

6:17 p.m.-3:22 p.m.

2 stops22h 05m

C$ 850

Flights are sorted by cheapest round-trip flights first.

Deals found on 16/9

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 17 September 2025.

It’s typically best to fly out from Montreal to Saint Thomas Island at noon. Doing so could potentially save you 42% on the flight price compared to flying in the afternoon, 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 64% 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$ 202.

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 3 different airlines.

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

    American Airlines, at C$ 384, was found to be the cheapest airline from Montreal to Saint Thomas Island.Alternate airlines to your destination round-trip include United Airlines and Delta.

  • 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 3 airlines flying from Montreal to Saint Thomas Island

Discover the top 3 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 17 September 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapestC$ 384AverageC$ 945FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
United AirlinesCheapestC$ 594AverageC$ 1,268FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
DeltaCheapestC$ 650AverageC$ 1,126FlexibilityNo cancel feeOn-timeN/A
Search Delta 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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