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Cheap flights from Ontario to Saint Thomas Island from C$ 487

YYZ — STT
23 Oct — 30 Oct1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ontario to Saint Thomas Island

Enter your travel dates to find the best prices.

Cheapest flights from Ontario to Saint Thomas Island

Sat 24/106:10 a.m. -
1 stop9h 33m
Fri 30/102:00 p.m. -
1 stop9h 26m
Deal found 20/9C$ 684
Sat 28/117:44 a.m. -
1 stop7h 13m
Sat 5/125:25 p.m. -
2 stops18h 25m
Deal found 19/9C$ 768
Sat 14/114:30 p.m. -
2 stops18h 46m
Sat 21/111:07 p.m. -
2 stops10h 32m
Deal found 20/9C$ 802
Fri 4/125:14 p.m. -
2 stops18h 03m
Sun 13/121:07 p.m. -
2 stops11h 40m
Deal found 22/9C$ 837
Sat 24/105:25 p.m. -
1 stop17h 40m
Fri 30/102:00 p.m. -
2 stops22h 46m
Deal found 20/9C$ 1,010
Sat 14/116:40 p.m. -
1 stop16h 25m
Sat 21/115:25 p.m. -
1 stop17h 18m
Deal found 20/9C$ 1,017
Sat 24/105:51 p.m. -
2 stops21h 04m
Fri 30/103:46 p.m. -
2 stops18h 42m
Deal found 20/9C$ 1,075
Fri 16/103:53 p.m. -
1 stop23h 50m
Fri 23/105:45 p.m. -
2 stops15h 34m
Deal found 19/9C$ 1,139
Sat 28/117:44 p.m. -
1 stop17h 12m
Sat 5/123:00 p.m. -
1 stop9h 59m
Deal found 19/9C$ 1,143

Find flight deals from Ontario to Saint Thomas Island

Round-trip from

C$ 659

One-way from

C$ 487

Popular in

June

Cheapest in

August

Average price

C$ 1,004
American Airlines
  • American Airlines
  • 1/2-5/2
  • 2 total stops
  • 16h 14m total
  • Ontario to Saint Thomas Island
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American Airlines
  • American Airlines
  • 2/11-31/12
  • 1 total stop
  • 7h 23m total
  • Ontario to Saint Thomas Island
Search Deals
Highest demand for flights based on searches. 23% potential increase in price (C$ 359 potential increase over avg. RT price).
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Cheapest flight prices on average. 7% potential price decrease (C$ 80 potential savings vs. average RT price).
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Average for round-trip flights in September 2026
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Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Ontario to Saint Thomas Island that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

TorontoSaint Thomas Island

YYZ Toronto Pearson Intl - STT Saint Thomas Island Cyril E King

YYZSTT

Toronto Pearson Intl

Mon 2/11

7:15 a.m.-3:38 p.m.

1 stop7h 23m

Saint Thomas Island Cyril E King

Wed 31/12

12:00 a.m.-11:00 p.m.

Nonstop0h 00m

C$ 487

TorontoSaint Thomas Island

YYZ Toronto Pearson Intl - STT Saint Thomas Island Cyril E King

YYZSTT

Toronto Pearson Intl

Thu 5/11

7:15 a.m.-3:53 p.m.

1 stop7h 38m

Saint Thomas Island Cyril E King

Wed 31/12

12:00 a.m.-11:00 p.m.

Nonstop0h 00m

C$ 576

TorontoSaint Thomas Island

YYZ Toronto Pearson Intl - STT Saint Thomas Island Cyril E King

YYZSTT

Toronto Pearson Intl

Mon 28/12

6:15 p.m.-12:17 p.m.

2 stops17h 02m

Saint Thomas Island Cyril E King

Wed 31/12

12:00 a.m.-11:00 p.m.

Nonstop0h 00m

C$ 579

TorontoSaint Thomas Island

YYZ Toronto Pearson Intl - STT Saint Thomas Island Cyril E King

YYZSTT

Toronto Pearson Intl

Mon 28/12

3:45 p.m.-4:20 p.m.

1 stop23h 35m

Saint Thomas Island Cyril E King

Wed 31/12

12:00 a.m.-11:00 p.m.

Nonstop0h 00m

C$ 607

TorontoSaint Thomas Island

YYZ Toronto Pearson Intl - STT Saint Thomas Island Cyril E King

YYZSTT

Toronto Pearson Intl

Mon 2/11

7:35 a.m.-10:14 a.m.

3 stops25h 39m

Saint Thomas Island Cyril E King

Wed 31/12

12:00 a.m.-11:00 p.m.

Nonstop0h 00m

C$ 649

TorontoSaint Thomas Island

YYZ Toronto Pearson Intl - STT Saint Thomas Island Cyril E King

YYZSTT

Toronto Pearson Intl

Sat 21/11

5:55 p.m.-2:31 p.m.

1 stop19h 36m

Saint Thomas Island Cyril E King

Wed 31/12

12:00 a.m.-11:00 p.m.

Nonstop0h 00m

C$ 659

TorontoSaint Thomas Island

YYZ Toronto Pearson Intl - STT Saint Thomas Island Cyril E King

YYZSTT

Toronto Pearson Intl

Sat 24/10

6:10 a.m.-3:43 p.m.

1 stop9h 33m

Saint Thomas Island Cyril E King

Fri 30/10

2:00 p.m.-11:26 p.m.

1 stop9h 26m

C$ 684

TorontoSaint Thomas Island

YYZ Toronto Pearson Intl - STT Saint Thomas Island Cyril E King

YYZSTT

Toronto Pearson Intl

Thu 5/11

5:20 p.m.-7:50 a.m.

3 stops37h 30m

Saint Thomas Island Cyril E King

Wed 31/12

12:00 a.m.-11:00 p.m.

Nonstop0h 00m

C$ 732

TorontoSaint Thomas Island

YYZ Toronto Pearson Intl - STT Saint Thomas Island Cyril E King

YYZSTT

Toronto Pearson Intl

Wed 4/11

7:43 a.m.-12:05 p.m.

1 stop27h 22m

Saint Thomas Island Cyril E King

Wed 31/12

12:00 a.m.-11:00 p.m.

Nonstop0h 00m

C$ 771

TorontoSaint Thomas Island

YYZ Toronto Pearson Intl - STT Saint Thomas Island Cyril E King

YYZSTT

Toronto Pearson Intl

Fri 20/11

9:10 p.m.-12:05 p.m.

1 stop13h 55m

Saint Thomas Island Cyril E King

Wed 31/12

12:00 a.m.-11:00 p.m.

Nonstop0h 00m

C$ 781

Flights are sorted by cheapest round-trip flights first.

Deals found on 18/9

Showing 1-10 of 16 resultsSorted by cheapest first
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Best time to book a flight from Ontario to Saint Thomas Island

Have a flexible travel schedule? Discover the best time to fly to Saint Thomas Island from Ontario with our price prediction graph.
Estimated round-trip price

Cheapflights Insights

Everything you need to know about your flight from Ontario to Saint Thomas Island

What is the cheapest month to book a flight from Region of Ontario to Saint Thomas Island?

Currently, February is the cheapest month in which you can book a flight from Region of Ontario to Saint Thomas Island (average of C$ 646). Flying from Region of Ontario to Saint Thomas Island in July is currently the most expensive (average of C$ 1,070). 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.

Related info for your journey

  • What airport do you fly into for flights to Saint Thomas Island from Ontario?

    For a flight from Ontario to Saint Thomas Island, you will be flying into Cyril E King. Saint Thomas Island Cyril E King (STT) is just 4.6 km from the centre of the city.

  • How long is the flight from Region of Ontario to Saint Thomas Island?

    A quick flight from Region of Ontario to Saint Thomas Island can take about 9h. United Airlines provides one of the quickest options available for as low as C$ 856. The distance between Region of Ontario and Saint Thomas Island is about 3132 km. This flight may include one or multiple stops.

  • What are the most popular routes from Region of Ontario to Saint Thomas Island?

    The most popular flight routes from Region of Ontario to Saint Thomas Island are Montreal Pierre Elliott Trudeau Intl - Saint Thomas Island Cyril E King, Toronto Pearson Intl - Saint Thomas Island Cyril E King and Toronto Island - Saint Thomas Island Cyril E King.

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

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

  • How can I find direct flights from Ontario 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 Ontario to Saint Thomas Island.

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

    Yes. Cheapflights offers flight deals from Ontario 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 Region of Ontario to Saint Thomas Island?

    Currently, February is the cheapest month in which you can book a flight from Region of Ontario to Saint Thomas Island (average of C$ 646). Flying from Region of Ontario to Saint Thomas Island in July is currently the most expensive (average of C$ 1,070). 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

Browse thousands of different options on Cheapflights for your next trip

Top 2 airlines flying from Ontario to Saint Thomas Island

AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 411AverageC$ 803FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
American AirlinesCheapestC$ 682AverageC$ 808FlexibilityNo cancel feeOn-time71%
Search American Airlines flights

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

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Ontario to Saint Thomas Island. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Saint Thomas Island from Ontario.

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

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

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Yes, Cheapflights offers price alerts on Ontario to Saint Thomas Island flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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