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Cheap flights from Ontario to Saint Thomas Island from C$ 301

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ontario to Saint Thomas Island departing on 1/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult

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Find the cheapest flights from Ontario to Saint Thomas Island

Cheap round-trip flights

Multiple Airlines Logo
5:15 p.m. - 3:11 p.m.YYZ-STT
20h 56m1 stop
Multiple Airlines Logo
1:33 p.m. - 11:20 p.m.STT-YYZ
10h 47m1 stop
C$ 561Multiple Airlines
Find Deal
Fri, 5 Dec - Mon, 15 Dec
Multiple Airlines Logo
5:15 p.m. - 12:28 p.m.YYZ-STT
18h 13m2 stops
Multiple Airlines Logo
1:33 p.m. - 11:20 p.m.STT-YYZ
10h 47m1 stop
C$ 600Multiple Airlines
Find Deal
Fri, 5 Dec - Mon, 15 Dec
American Airlines Logo
7:15 p.m. - 11:50 a.m.YYZ-STT
15h 35m1 stop
American Airlines Logo
2:32 p.m. - 9:51 p.m.STT-YYZ
8h 19m1 stop
C$ 626American Airlines
Find Deal
Sun, 18 Jan - Wed, 21 Jan
American Airlines Logo
5:25 p.m. - 12:10 p.m.YYZ-STT
17h 45m2 stops
American Airlines Logo
4:35 p.m. - 9:46 a.m.STT-YYZ
18h 11m2 stops
C$ 631American Airlines
Find Deal
Sun, 18 Jan - Wed, 21 Jan
Delta Logo
6:00 a.m. - 1:45 p.m.YYZ-STT
6h 45m1 stop
Delta Logo
4:59 p.m. - 11:18 a.m.STT-YYZ
19h 19m1 stop
C$ 741Delta
Find Deal
Mon, 2 Mar - Wed, 4 Mar
Delta Logo
6:00 a.m. - 1:45 p.m.YYZ-STT
6h 45m1 stop
Delta Logo
4:59 p.m. - 11:18 a.m.STT-YYZ
19h 19m1 stop
C$ 743Delta
Find Deal
Mon, 2 Mar - Wed, 4 Mar
United Airlines Logo
9:15 a.m. - 1:12 p.m.YUL-STT
26h 57m1 stop
United Airlines Logo
2:15 p.m. - 9:42 p.m.STT-YUL
8h 27m1 stop
C$ 940United Airlines
Find Deal
Mon, 17 Nov - Mon, 24 Nov
Air Canada Logo
2:10 p.m. - 11:00 a.m.YYZ-STT
20h 50m1 stop
Air Canada Logo
2:15 p.m. - 9:24 p.m.STT-YYZ
8h 09m1 stop
C$ 1,010Air Canada
Find Deal
Thu, 30 Oct - Mon, 3 Nov
Air Canada Logo
2:10 p.m. - 11:00 a.m.YYZ-STT
20h 50m1 stop
Air Canada Logo
2:15 p.m. - 11:20 p.m.STT-YYZ
10h 05m1 stop
C$ 1,014Air Canada
Find Deal
Wed, 29 Oct - Mon, 3 Nov
United Airlines Logo
3:45 p.m. - 1:30 p.m.YYZ-STT
21h 45m1 stop
United Airlines Logo
2:15 p.m. - 11:20 p.m.STT-YYZ
10h 05m1 stop
C$ 1,041United Airlines
Find Deal
Fri, 31 Oct - Tue, 11 Nov

Air Canada flights from Region of Ontario to Saint Thomas Island

Our best Air Canada deals on Region of Ontario to Saint Thomas Island flight tickets
Air Canada
30 Oct
YYZ2:10 p.m.Toronto Pearson Intl
20h 50m
1 stop
STT11:00 a.m.Saint Thomas Island Cyril E King
3 Nov
STT2:15 p.m.Saint Thomas Island Cyril E King
8h 09m
1 stop
YYZ9:24 p.m.Toronto Pearson Intl
C$ 1,010
Find similar
Air Canada
29 Oct
YYZ2:10 p.m.Toronto Pearson Intl
20h 50m
1 stop
STT11:00 a.m.Saint Thomas Island Cyril E King
3 Nov
STT2:15 p.m.Saint Thomas Island Cyril E King
10h 05m
1 stop
YYZ11:20 p.m.Toronto Pearson Intl
C$ 1,014
Find similar
Air Canada
17 Nov
YUL4:10 p.m.Montreal Pierre Elliott Trudeau Intl
18h 50m
2 stops
STT12:00 p.m.Saint Thomas Island Cyril E King
24 Nov
STT2:15 p.m.Saint Thomas Island Cyril E King
19h 07m
2 stops
YUL8:22 a.m.Montreal Pierre Elliott Trudeau Intl
C$ 1,081
Find similar

American Airlines flights from Region of Ontario to Saint Thomas Island

Our best American Airlines deals on Region of Ontario to Saint Thomas Island flight tickets
American Airlines
18 Jan
YYZ7:15 p.m.Toronto Pearson Intl
15h 35m
1 stop
STT11:50 a.m.Saint Thomas Island Cyril E King
21 Jan
STT2:32 p.m.Saint Thomas Island Cyril E King
8h 19m
1 stop
YYZ9:51 p.m.Toronto Pearson Intl
C$ 626
Find similar
American Airlines
18 Jan
YYZ5:25 p.m.Toronto Pearson Intl
17h 45m
2 stops
STT12:10 p.m.Saint Thomas Island Cyril E King
21 Jan
STT4:35 p.m.Saint Thomas Island Cyril E King
18h 11m
2 stops
YYZ9:46 a.m.Toronto Pearson Intl
C$ 631
Find similar
American Airlines
5 Dec
YYZ6:00 a.m.Toronto Pearson Intl
9h 58m
2 stops
STT4:58 p.m.Saint Thomas Island Cyril E King
15 Dec
STT4:16 p.m.Saint Thomas Island Cyril E King
19h 56m
2 stops
YYZ11:12 a.m.Toronto Pearson Intl
C$ 689
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Region of 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, momondo users made 96,600 searches. Data last updated 17 September 2025.
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

TorontoSaint Thomas Island

YYZ - STT

YYZSTT

Toronto Pearson Intl

Fri 5/12

5:15 p.m.-3:11 p.m.

1 stop20h 56m

Saint Thomas Island Cyril E King

Mon 15/12

1:33 p.m.-11:20 p.m.

1 stop10h 47m

C$ 561

TorontoSaint Thomas Island

YYZ - STT

YYZSTT

Toronto Pearson Intl

Fri 5/12

5:15 p.m.-12:28 p.m.

2 stops18h 13m

Saint Thomas Island Cyril E King

Mon 15/12

1:33 p.m.-11:20 p.m.

1 stop10h 47m

C$ 600

TorontoSaint Thomas Island

YYZ - STT

YYZSTT

Toronto Pearson Intl

Sun 18/1

7:15 p.m.-11:50 a.m.

1 stop15h 35m

Saint Thomas Island Cyril E King

Wed 21/1

2:32 p.m.-9:51 p.m.

1 stop8h 19m

C$ 626

TorontoSaint Thomas Island

YYZ - STT

YYZSTT

Toronto Pearson Intl

Sun 18/1

5:25 p.m.-12:10 p.m.

2 stops17h 45m

Saint Thomas Island Cyril E King

Wed 21/1

4:35 p.m.-9:46 a.m.

2 stops18h 11m

C$ 631

TorontoSaint Thomas Island

YYZ - STT

YYZSTT

Toronto Pearson Intl

Mon 2/3

6:00 a.m.-1:45 p.m.

1 stop6h 45m

Saint Thomas Island Cyril E King

Wed 4/3

4:59 p.m.-11:18 a.m.

1 stop19h 19m

C$ 741

TorontoSaint Thomas Island

YYZ - STT

YYZSTT

Toronto Pearson Intl

Mon 2/3

6:00 a.m.-1:45 p.m.

1 stop6h 45m

Saint Thomas Island Cyril E King

Wed 4/3

4:59 p.m.-11:18 a.m.

1 stop19h 19m

C$ 743

MontrealSaint Thomas Island

YUL - STT

YULSTT

Montreal Pierre Elliott Trudeau Intl

Mon 17/11

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

1 stop26h 57m

Saint Thomas Island Cyril E King

Mon 24/11

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

1 stop8h 27m

C$ 940

TorontoSaint Thomas Island

YYZ - STT

YYZSTT

Toronto Pearson Intl

Thu 30/10

2:10 p.m.-11:00 a.m.

1 stop20h 50m

Saint Thomas Island Cyril E King

Mon 3/11

2:15 p.m.-9:24 p.m.

1 stop8h 09m

C$ 1,010

TorontoSaint Thomas Island

YYZ - STT

YYZSTT

Toronto Pearson Intl

Wed 29/10

2:10 p.m.-11:00 a.m.

1 stop20h 50m

Saint Thomas Island Cyril E King

Mon 3/11

2:15 p.m.-11:20 p.m.

1 stop10h 05m

C$ 1,014

TorontoSaint Thomas Island

YYZ - STT

YYZSTT

Toronto Pearson Intl

Fri 31/10

3:45 p.m.-1:30 p.m.

1 stop21h 45m

Saint Thomas Island Cyril E King

Tue 11/11

2:15 p.m.-11:20 p.m.

1 stop10h 05m

C$ 1,041

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 14 resultsSorted by cheapest first
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See travel insights to Saint Thomas Island from

How to get the cheapest flight ticket from Region of Ontario to Saint Thomas Island

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Saint Thomas Island?

The cheapest month to fly to Saint Thomas Island from Region of Ontario is in August. Flight prices, which tend to average around C$ 392, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of August, then book flights to Saint Thomas Island from Region of Ontario during September instead. Flights to Saint Thomas Island in September, while not as cheap as those in August, still average around C$ 677.

What is the cheapest day to depart on your flight to Saint Thomas Island?

The cheapest day to depart from Region of Ontario to Saint Thomas Island is on a Wednesday when prices can be found for as low as C$ 938. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Region of Ontario to Saint Thomas Island for around C$ 1,014.

What is the cheapest time of day to depart on your flight to Saint Thomas Island?

The cheapest time of day to fly to Saint Thomas Island is in the afternoon when flights can be purchased for as low as C$ 694. In contrast, the most expensive time of day to depart to Saint Thomas Island is in the evening when prices are around C$ 1,217.

Cheap Region of Ontario to Saint Thomas Island flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Region of Ontario to Saint Thomas Island

Direct flights

None
There are no direct flights from Region of Ontario to Saint Thomas Island. There are no popular flight routes from Region of Ontario to Saint Thomas Island.
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  • When did momondo last update prices for flights from Ontario to Saint Thomas Island Cyril E King Airport?

    Prices for flights from Ontario to Saint Thomas Island Cyril E King Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Ontario to Saint Thomas Island Cyril E King Airport?

  • How old do you have to be to fly from Ontario to Saint Thomas Island Cyril E King Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Ontario to Saint Thomas Island Cyril E King Airport.

  • What documentation or ID do you need to fly to Saint Thomas Island Cyril E King Airport?

    The travel and health documents you'll need for your trip to Saint Thomas Island Cyril E King Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Saint Thomas Island Cyril E King Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Region of Ontario to Saint Thomas Island

Compare and see reviews for airlines that fly from Region of Ontario to Saint Thomas Island with momondo
Airline
Rating
Free Cancellation
Price
United AirlinesPriceFrom C$ 517Free CancellationRating
7.4
8,926 reviews
Search United Airlines flights
American AirlinesPriceFrom C$ 530Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom C$ 589Free CancellationRating
7.9
7,961 reviews
Search Delta flights
Air CanadaPriceFrom C$ 978Free CancellationRating
7.1
10,000 reviews
Search Air Canada flights

Why use momondo?

Why should I use momondo to find a flight deal from Ontario to Saint Thomas Island?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Saint Thomas Island from Ontario.

Can I find flights from Ontario to Saint Thomas Island with flexible booking policies on momondo?

All flight searches from Ontario to Saint Thomas Island on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Ontario to Saint Thomas Island?

momondo provides multiple filters to help you find the best flight to Saint Thomas Island from Ontario. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Ontario to Saint Thomas Island right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Ontario to Saint Thomas Island flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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