Cheap flights from Ontario to Saint Thomas Island from C$ 470
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 17/12. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — STT
7 Dec — 14 Dec1
Round-trip
1 adult
Economy
Round-trip
1 adult, Economy, 0 bags
Cheap flight deals from Ontario to Saint Thomas Island
Enter your travel dates to find the best prices.
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Best
Last-minute
One-way
Cheapest flights from Ontario to Saint Thomas Island
Explore the most affordable flight options available from Ontario to Saint Thomas Island. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 7 November 2026.
Mon 14/126:40 p.m. -
1 stop16h 25m
Thu 17/126:55 p.m. -
1 stop15h 19m
Deal found 5/11C$ 669
Thu 3/123:45 p.m. -
2 stops19h 32m
Thu 10/124:38 p.m. -
1 stop7h 03m
Deal found 4/11C$ 753
Thu 31/127:05 a.m. -
1 stop8h 17m
Sun 10/14:21 p.m. -
1 stop7h 18m
Deal found 4/11C$ 842
Fri 4/125:10 p.m. -
2 stops18h 07m
Fri 11/124:38 p.m. -
1 stop7h 03m
Deal found 6/11C$ 855
Sat 14/117:14 a.m. -
1 stop8h 21m
Sat 21/113:39 p.m. -
1 stop9h 20m
Deal found 2/11C$ 877
Best flights from Ontario to Saint Thomas Island
Discover carefully curated flight deals from Ontario to Saint Thomas Island that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 7 November 2026.
Mon 14/126:40 p.m. -
1 stop16h 25m
Thu 17/126:55 p.m. -
1 stop15h 19m
Deal found 5/11C$ 669
Sun 24/16:45 a.m. -
1 stop8h 35m
Fri 29/13:00 p.m. -
1 stop9h 59m
Deal found 2/11C$ 690
Sat 2/16:00 a.m. -
2 stops10h 34m
Sun 10/14:21 p.m. -
1 stop7h 18m
Deal found 4/11C$ 848
Mon 1/26:45 a.m. -
1 stop8h 35m
Fri 5/21:07 p.m. -
1 stop6h 54m
Deal found 7/11C$ 722
Mon 1/211:00 a.m. -
2 stops24h 05m
Fri 5/25:25 p.m. -
2 stops20h 21m
Deal found 7/11C$ 755
Fri 1/110:00 a.m. -
1 stop6h 50m
Sun 10/13:00 p.m. -
1 stop9h 59m
Deal found 7/11C$ 755
Wed 3/26:45 a.m. -
1 stop8h 35m
Fri 12/23:00 p.m. -
1 stop9h 59m
Deal found 7/11C$ 810
Sun 24/16:40 p.m. -
1 stop16h 25m
Fri 29/15:25 p.m. -
2 stops24h 21m
Deal found 2/11C$ 942
Sat 2/110:00 a.m. -
1 stop6h 50m
Sun 10/13:00 p.m. -
1 stop9h 59m
Deal found 5/11C$ 873
Fri 1/110:00 a.m. -
1 stop6h 50m
Fri 8/15:25 p.m. -
1 stop7h 27m
Deal found 3/11C$ 966
Last-minute flights from Ontario to Saint Thomas Island
Discover last-minute flight deals from Ontario to Saint Thomas Island. Data last updated 7 November 2026 and is based on user searches.
Sat 14/117:14 a.m. -
1 stop8h 21m
Sat 21/113:39 p.m. -
1 stop9h 20m
Deal found 2/11C$ 877
Thu 3/123:45 p.m. -
2 stops19h 32m
Thu 10/124:38 p.m. -
1 stop7h 03m
Deal found 4/11C$ 753
Fri 4/125:10 p.m. -
2 stops18h 07m
Fri 11/124:38 p.m. -
1 stop7h 03m
Deal found 6/11C$ 855
Mon 14/126:40 p.m. -
1 stop16h 25m
Thu 17/126:55 p.m. -
1 stop15h 19m
Deal found 5/11C$ 669
Thu 31/127:05 a.m. -
1 stop8h 17m
Sun 10/14:21 p.m. -
1 stop7h 18m
Deal found 4/11C$ 842
One-way flights from Ontario to Saint Thomas Island
Search for one-way flight options from Ontario to Saint Thomas Island. Find affordable one-way fares based on user searches. Data last updated 7 November 2026.
Thu 17/126:00 a.m. -
1 stop6h 54m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 6/11C$ 470
Fri 4/125:10 p.m. -
2 stops18h 07m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 3/11C$ 476
Fri 4/122:45 p.m. -
1 stop22h 11m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 3/11C$ 538
Mon 28/127:26 p.m. -
1 stop18h 05m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 3/11C$ 562
Mon 28/124:20 p.m. -
2 stops40h 45m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 3/11C$ 581
Fri 4/126:30 a.m. -
3 stops25h 13m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 3/11C$ 662
Fri 18/123:45 p.m. -
1 stop23h 35m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 3/11C$ 787
Fri 18/126:00 a.m. -
2 stops10h 34m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 3/11C$ 839
Fri 18/127:20 a.m. -
3 stops25h 34m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 3/11C$ 928
Thu 17/1210:50 p.m. -
3 stops34h 15m
Wed 31/1212:00 a.m. -
Nonstop0h 00m
Deal found 6/11C$ 1,050
Find flight deals from Ontario to Saint Thomas Island
Keep the following information in mind while searching for Ontario to Saint Thomas Island flight deals. Data was last updated 7 November 2026.
Customize your flight search to find flights from Ontario 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 7,457,451 searches. Data last updated 7 November 2026.
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
TorontoSaint Thomas Island
YYZ Toronto Pearson Intl - STT Saint Thomas Island Cyril E King
YYZSTT
Toronto Pearson Intl
Fri 4/12
5:10 p.m.-12:17 p.m.
2 stops18h 07m
Saint Thomas Island Cyril E King
Wed 31/12
12:00 a.m.-11:00 p.m.
Nonstop0h 00m
C$ 476
TorontoSaint Thomas Island
YYZ Toronto Pearson Intl - STT Saint Thomas Island Cyril E King
YYZSTT
Toronto Pearson Intl
Thu 17/12
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$ 529
TorontoSaint Thomas Island
YYZ Toronto Pearson Intl - STT Saint Thomas Island Cyril E King
YYZSTT
Toronto Pearson Intl
Fri 4/12
2:45 p.m.-1:56 p.m.
1 stop22h 11m
Saint Thomas Island Cyril E King
Wed 31/12
12:00 a.m.-11:00 p.m.
Nonstop0h 00m
C$ 538
TorontoSaint Thomas Island
YYZ Toronto Pearson Intl - STT Saint Thomas Island Cyril E King
YYZSTT
Toronto Pearson Intl
Mon 28/12
7:26 p.m.-2:31 p.m.
1 stop18h 05m
Saint Thomas Island Cyril E King
Wed 31/12
12:00 a.m.-11:00 p.m.
Nonstop0h 00m
C$ 562
TorontoSaint Thomas Island
YYZ Toronto Pearson Intl - STT Saint Thomas Island Cyril E King
YYZSTT
Toronto Pearson Intl
Mon 28/12
4:20 p.m.-10:05 a.m.
2 stops40h 45m
Saint Thomas Island Cyril E King
Wed 31/12
12:00 a.m.-11:00 p.m.
Nonstop0h 00m
C$ 581
TorontoSaint Thomas Island
YYZ Toronto Pearson Intl - STT Saint Thomas Island Cyril E King
YYZSTT
Toronto Pearson Intl
Fri 4/12
6:30 a.m.-8:43 a.m.
3 stops25h 13m
Saint Thomas Island Cyril E King
Wed 31/12
12:00 a.m.-11:00 p.m.
Nonstop0h 00m
C$ 662
TorontoSaint Thomas Island
YYZ Toronto Pearson Intl - STT Saint Thomas Island Cyril E King
YYZSTT
Toronto Pearson Intl
Mon 14/12
6:40 p.m.-12:05 p.m.
1 stop16h 25m
Saint Thomas Island Cyril E King
Thu 17/12
6:55 p.m.-9:14 a.m.
1 stop15h 19m
C$ 669
TorontoSaint Thomas Island
YYZ Toronto Pearson Intl - STT Saint Thomas Island Cyril E King
YYZSTT
Toronto Pearson Intl
Sun 24/1
6:45 a.m.-4:20 p.m.
1 stop8h 35m
Saint Thomas Island Cyril E King
Fri 29/1
3:00 p.m.-11:59 p.m.
1 stop9h 59m
C$ 690
TorontoSaint Thomas Island
YYZ Toronto Pearson Intl - STT Saint Thomas Island Cyril E King
YYZSTT
Toronto Pearson Intl
Mon 1/2
6:45 a.m.-4:20 p.m.
1 stop8h 35m
Saint Thomas Island Cyril E King
Fri 5/2
1:07 p.m.-7:01 p.m.
1 stop6h 54m
C$ 722
TorontoSaint Thomas Island
YYZ Toronto Pearson Intl - STT Saint Thomas Island Cyril E King
YYZSTT
Toronto Pearson Intl
Mon 1/2
11:00 a.m.-12:05 p.m.
2 stops24h 05m
Saint Thomas Island Cyril E King
Fri 5/2
5:25 p.m.-12:46 p.m.
2 stops20h 21m
C$ 755
Flights are sorted by cheapest round-trip flights first.
Deals found on 3/11
Showing 1-10 of 19 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.
YYZ-STT
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 Ontario to Saint Thomas Island
CAON-STT
YYZ-STT
What is the cheapest month to book a flight from Region of Ontario to Saint Thomas Island?
Currently, November is the cheapest month in which you can book a flight from Region of Ontario to Saint Thomas Island (average of C$ 728). Flying from Region of Ontario to Saint Thomas Island in July is currently the most expensive (average of C$ 1,073). 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.
How much does it cost to fly round-trip from Region of Ontario to Saint Thomas Island?
Airfare is below average for this route at the moment.
Region of Ontario to Saint Thomas Island flights typically cost between C$ 708 and C$ 788 in December.The cheapest round-trip price found within the last 5 days was C$ 669 on Air Canada (14 Dec-17 Dec).
Related info for your journey
Find useful and relevant information for your journey from Ontario 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 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 8h 35m. Air Canada provides one of the quickest options available for as low as C$ 690. 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 Toronto Pearson Intl - Saint Thomas Island Cyril E King, Montreal Pierre Elliott Trudeau 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, November is the cheapest month in which you can book a flight from Region of Ontario to Saint Thomas Island (average of C$ 728). Flying from Region of Ontario to Saint Thomas Island in July is currently the most expensive (average of C$ 1,073). 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.
Top 2 airlines flying from Ontario to Saint Thomas Island
Discover the top 2 airlines that operate flights from Ontario 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 7,457,451 searches. Data last updated 7 November 2026.
Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.
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.
Can Cheapflights notify me if prices for flights from Ontario to Saint Thomas Island become cheaper?
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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