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Cheap flights from Montreal to Saint Thomas Island from C$ 386

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 19/11. Fares are subject to change and may not be available on all flights or dates of travel.
YMQ — STT
4 Dec — 11 Dec1
1 adult
1 adult, Economy, 0 bags

Find 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 4 November 2025.

Mon 1/128:00 a.m.YUL - STT
1 stop27h 55mMultiple Airlines
Mon 8/121:01 p.m.STT - YUL
2 stops28h 54mMultiple Airlines
Deal found 3/11C$ 605
Tue 25/116:45 a.m.YUL - STT
2 stops30h 45mMultiple Airlines
Sat 29/113:25 p.m.STT - YUL
1 stop10h 05mMultiple Airlines
Deal found 2/11C$ 654
Tue 25/116:45 a.m.YUL - STT
2 stops30h 45mMultiple Airlines
Sun 30/113:25 p.m.STT - YUL
1 stop10h 05mMultiple Airlines
Deal found 2/11C$ 656
Mon 24/116:45 a.m.YUL - STT
2 stops29h 10mMultiple Airlines
Sat 29/113:25 p.m.STT - YUL
1 stop10h 05mMultiple Airlines
Deal found 2/11C$ 679
Mon 24/116:45 a.m.YUL - STT
2 stops29h 10mMultiple Airlines
Sun 30/113:25 p.m.STT - YUL
1 stop10h 05mMultiple Airlines
Deal found 2/11C$ 681
Wed 26/116:45 a.m.YUL - STT
2 stops29h 10mMultiple Airlines
Sun 30/113:25 p.m.STT - YUL
1 stop10h 05mMultiple Airlines
Deal found 2/11C$ 720
Sat 22/116:45 a.m.YUL - STT
1 stop9h 04mMultiple Airlines
Fri 28/113:25 p.m.STT - YUL
2 stops29h 14mMultiple Airlines
Deal found 2/11C$ 726
Mon 24/113:59 p.m.YUL - STT
2 stops18h 44mAmerican Airlines
Wed 3/126:17 p.m.STT - YUL
2 stops22h 07mAmerican Airlines
Deal found 2/11C$ 741
Sun 30/118:00 a.m.YUL - STT
1 stop27h 55mMultiple Airlines
Mon 8/121:01 p.m.STT - YUL
2 stops28h 54mMultiple Airlines
Deal found 3/11C$ 751

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 4 November 2025.

Round-trip from

C$ 605

One-way from

C$ 386
1/12-8/12
  • 1/12-8/12
  • 3 total stops
  • 56h 49m total
  • Montreal to Saint Thomas Island
Search Deals
19/11
  • 19/11
  • 2 total stops
  • 29h 10m 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 4 November 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 6/2

6:45 a.m.-3:11 p.m.

3 stops31h 26m

Saint Thomas Island Cyril E King

Mon 16/2

1:33 p.m.-12:31 a.m.

1 stop11h 58m

C$ 654

MontrealSaint Thomas Island

YUL - STT

YULSTT

Montreal Pierre Elliott Trudeau Intl

Thu 22/1

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

1 stop27h 28m

Saint Thomas Island Cyril E King

Sat 31/1

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

2 stops28h 22m

C$ 663

MontrealSaint Thomas Island

YUL - STT

YULSTT

Montreal Pierre Elliott Trudeau Intl

Mon 24/11

6:45 a.m.-12:55 p.m.

2 stops29h 10m

Saint Thomas Island Cyril E King

Sun 30/11

3:25 p.m.-12:30 a.m.

1 stop10h 05m

C$ 681

MontrealSaint Thomas Island

YUL - STT

YULSTT

Montreal Pierre Elliott Trudeau Intl

Mon 30/3

7:00 a.m.-11:50 a.m.

1 stop28h 50m

Saint Thomas Island Cyril E King

Wed 8/4

2:00 p.m.-5:04 p.m.

1 stop27h 04m

C$ 740

MontrealSaint Thomas Island

YUL - STT

YULSTT

Montreal Pierre Elliott Trudeau Intl

Tue 17/3

6:15 p.m.-11:50 a.m.

1 stop17h 35m

Saint Thomas Island Cyril E King

Tue 31/3

2:00 p.m.-5:04 p.m.

1 stop27h 04m

C$ 740

MontrealSaint Thomas Island

YUL - STT

YULSTT

Montreal Pierre Elliott Trudeau Intl

Sun 29/3

7:00 a.m.-11:50 a.m.

1 stop28h 50m

Saint Thomas Island Cyril E King

Wed 8/4

2:00 p.m.-5:04 p.m.

1 stop27h 04m

C$ 775

MontrealSaint Thomas Island

YUL - STT

YULSTT

Montreal Pierre Elliott Trudeau Intl

Sun 23/11

8:00 a.m.-12:55 p.m.

1 stop27h 55m

Saint Thomas Island Cyril E King

Sun 30/11

3:25 p.m.-12:30 a.m.

1 stop10h 05m

C$ 811

MontrealSaint Thomas Island

YUL - STT

YULSTT

Montreal Pierre Elliott Trudeau Intl

Tue 23/12

6:20 p.m.-12:38 p.m.

1 stop17h 18m

Saint Thomas Island Cyril E King

Mon 29/12

1:48 p.m.-11:59 p.m.

1 stop11h 11m

C$ 811

MontrealSaint Thomas Island

YUL - STT

YULSTT

Montreal Pierre Elliott Trudeau Intl

Sun 21/12

4:35 p.m.-2:28 p.m.

1 stop20h 53m

Saint Thomas Island Cyril E King

Mon 29/12

3:23 p.m.-4:55 p.m.

2 stops26h 32m

C$ 823

MontrealSaint Thomas Island

YUL - STT

YULSTT

Montreal Pierre Elliott Trudeau Intl

Sun 23/11

9:15 a.m.-1:12 p.m.

1 stop26h 57m

Saint Thomas Island Cyril E King

Thu 27/11

2:15 p.m.-9:42 p.m.

1 stop8h 27m

C$ 839

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/11

Showing 1-10 of 20 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 month to book a flight from Montreal to Saint Thomas Island?

Currently, August is the cheapest month in which you can book a flight from Montreal to Saint Thomas Island (average of C$ 397). Flying from Montreal to Saint Thomas Island in July is currently the most expensive (average of C$ 1,144). 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.

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 4 November 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 60% 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$ 206.

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.

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

    A quick flight from Montreal to Saint Thomas Island can take about 28h 50m. Delta provides one of the quickest options available for as low as C$ 740. 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$ 392, 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.

  • What is the cheapest month to book a flight from Montreal to Saint Thomas Island?

    Currently, August is the cheapest month in which you can book a flight from Montreal to Saint Thomas Island (average of C$ 397). Flying from Montreal to Saint Thomas Island in July is currently the most expensive (average of C$ 1,144). 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 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 4 November 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapestC$ 392AverageC$ 964FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
United AirlinesCheapestC$ 606AverageC$ 1,374FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
DeltaCheapestC$ 851AverageC$ 1,149FlexibilityNo 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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