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Cheap flights from Ontario to Saint Thomas Island from C$ 410

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 2/11. 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
1 adult, Economy, 0 bags

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Find the cheapest flights from Ontario to Saint Thomas Island

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
6:00 a.m. - 5:05 p.m.YYZ  Toronto Pearson Intl-STT Saint Thomas Island Cyril E King
10h 05m1 stop Miami
American Airlines Logo
6:39 p.m. - 12:34 p.m.STT  Saint Thomas Island Cyril E King-YYZ Toronto Pearson Intl
18h 55m2 stops Miami Chicago O'Hare Intl
C$ 677American Airlines
Wed, 6 Jan - Wed, 13 Jan
American Airlines Logo
7:00 a.m. - 5:05 p.m.YUL  Montreal Pierre Elliott Trudeau Intl-STT Saint Thomas Island Cyril E King
9h 05m1 stop Miami
American Airlines Logo
6:39 p.m. - 12:24 p.m.STT  Saint Thomas Island Cyril E King-YUL Montreal Pierre Elliott Trudeau Intl
18h 45m2 stops Miami Philadelphia
C$ 700American Airlines
Tue, 19 Jan - Thu, 21 Jan
Air Canada Logo
6:00 p.m. - 12:00 p.m.YYZ  Toronto Pearson Intl-STT Saint Thomas Island Cyril E King
17h 00m1 stop Newark
Air Canada Logo
6:55 p.m. - 1:46 p.m.STT  Saint Thomas Island Cyril E King-YYZ Toronto Pearson Intl
19h 51m2 stops Newark Montreal Pierre Elliott Trudeau Intl
C$ 741Air Canada
Tue, 2 Feb - Thu, 11 Feb
American Airlines Logo
6:00 a.m. - 5:05 p.m.YYZ  Toronto Pearson Intl-STT Saint Thomas Island Cyril E King
10h 05m1 stop Miami
American Airlines Logo
4:46 p.m. - 11:57 p.m.STT  Saint Thomas Island Cyril E King-YYZ Toronto Pearson Intl
8h 11m1 stop Miami
C$ 744American Airlines
Wed, 6 Jan - Wed, 13 Jan
Air Canada Logo
4:00 p.m. - 12:00 p.m.YYZ  Toronto Pearson Intl-STT Saint Thomas Island Cyril E King
19h 00m2 stops Montreal Pierre Elliott Trudeau Intl Newark
Air Canada Logo
6:55 p.m. - 12:46 p.m.STT  Saint Thomas Island Cyril E King-YYZ Toronto Pearson Intl
18h 51m2 stops Newark Montreal Pierre Elliott Trudeau Intl
C$ 746Air Canada
Tue, 2 Feb - Thu, 11 Feb
American Airlines Logo
6:00 a.m. - 5:05 p.m.YYZ  Toronto Pearson Intl-STT Saint Thomas Island Cyril E King
10h 05m1 stop Miami
American Airlines Logo
2:54 p.m. - 11:57 p.m.STT  Saint Thomas Island Cyril E King-YYZ Toronto Pearson Intl
10h 03m1 stop Miami
C$ 746American Airlines
Wed, 13 Jan - Wed, 27 Jan
Air Canada Logo
6:00 p.m. - 12:00 p.m.YYZ  Toronto Pearson Intl-STT Saint Thomas Island Cyril E King
17h 00m1 stop Newark
Air Canada Logo
6:55 p.m. - 9:29 a.m.STT  Saint Thomas Island Cyril E King-YYZ Toronto Pearson Intl
15h 34m1 stop Newark
C$ 794Air Canada
Tue, 2 Feb - Thu, 11 Feb
United Airlines Logo
7:00 a.m. - 4:18 p.m.YYZ  Toronto Pearson Intl-STT Saint Thomas Island Cyril E King
8h 18m1 stop Chicago O'Hare Intl
United Airlines Logo
3:05 p.m. - 9:29 p.m.STT  Saint Thomas Island Cyril E King-YYZ Toronto Pearson Intl
7h 24m1 stop Newark
C$ 854United Airlines
Wed, 13 Jan - Tue, 26 Jan
United Airlines Logo
12:10 p.m. - 1:56 p.m.YTZ  Toronto Island-STT Saint Thomas Island Cyril E King
24h 46m2 stops Chicago O'Hare Intl Washington, D.C. Dulles Intl
United Airlines Logo
1:07 p.m. - 4:41 p.m.STT  Saint Thomas Island Cyril E King-YTZ Toronto Island
28h 34m2 stops Washington, D.C. Dulles Intl Chicago O'Hare Intl
C$ 1,191United Airlines
Tue, 3 Nov - Thu, 5 Nov
United Airlines Logo
3:15 p.m. - 1:56 p.m.YTZ  Toronto Island-STT Saint Thomas Island Cyril E King
21h 41m1 stop Washington, D.C. Dulles Intl
United Airlines Logo
1:07 p.m. - 10:06 a.m.STT  Saint Thomas Island Cyril E King-YTZ Toronto Island
21h 59m2 stops Washington, D.C. Dulles Intl Chicago O'Hare Intl
C$ 1,191United Airlines
Tue, 3 Nov - Thu, 5 Nov

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United Airlines flights from Region of Ontario to Saint Thomas Island

Our best United Airlines deals on Region of Ontario to Saint Thomas Island flight tickets
United Airlines
3 Nov
YTZ12:10 p.m.Toronto Island
24h 46m
2 stops
STT1:56 p.m.Saint Thomas Island Cyril E King
5 Nov
STT1:07 p.m.Saint Thomas Island Cyril E King
28h 34m
2 stops
YTZ4:41 p.m.Toronto Island
C$ 1,191
United Airlines
3 Nov
YTZ12:10 p.m.Toronto Island
24h 46m
2 stops
STT1:56 p.m.Saint Thomas Island Cyril E King
5 Nov
STT1:07 p.m.Saint Thomas Island Cyril E King
28h 34m
2 stops
YTZ4:41 p.m.Toronto Island
C$ 1,193
United Airlines
3 Nov
YTZ12:10 p.m.Toronto Island
24h 46m
2 stops
STT1:56 p.m.Saint Thomas Island Cyril E King
5 Nov
STT1:07 p.m.Saint Thomas Island Cyril E King
28h 34m
2 stops
YTZ4:41 p.m.Toronto Island
C$ 1,196

Delta flights from Region of Ontario to Saint Thomas Island

Our best Delta deals on Region of Ontario to Saint Thomas Island flight tickets
Delta
19 Jan
YUL7:00 a.m.Montreal Pierre Elliott Trudeau Intl
8h 15m
1 stop
STT4:15 p.m.Saint Thomas Island Cyril E King
21 Jan
STT4:15 p.m.Saint Thomas Island Cyril E King
20h 29m
1 stop
YUL11:44 a.m.Montreal Pierre Elliott Trudeau Intl
C$ 803
Delta
19 Jan
YUL7:00 a.m.Montreal Pierre Elliott Trudeau Intl
8h 15m
1 stop
STT4:15 p.m.Saint Thomas Island Cyril E King
21 Jan
STT1:50 p.m.Saint Thomas Island Cyril E King
28h 13m
1 stop
YUL5:03 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 804
Delta
19 Jan
YUL7:00 a.m.Montreal Pierre Elliott Trudeau Intl
8h 15m
1 stop
STT4:15 p.m.Saint Thomas Island Cyril E King
21 Jan
STT1:50 p.m.Saint Thomas Island Cyril E King
28h 13m
1 stop
YUL5:03 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 805

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 9 August 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

Wed 6/1

6:00 a.m.-5:05 p.m.

1 stop10h 05m

Saint Thomas Island Cyril E King

Wed 13/1

6:39 p.m.-12:34 p.m.

2 stops18h 55m

C$ 677

MontrealSaint Thomas Island

YUL Montreal Pierre Elliott Trudeau Intl - STT Saint Thomas Island Cyril E King

YULSTT

Montreal Pierre Elliott Trudeau Intl

Tue 19/1

7:00 a.m.-5:05 p.m.

1 stop9h 05m

Saint Thomas Island Cyril E King

Thu 21/1

6:39 p.m.-12:24 p.m.

2 stops18h 45m

C$ 700

TorontoSaint Thomas Island

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

YYZSTT

Toronto Pearson Intl

Tue 2/2

6:00 p.m.-12:00 p.m.

1 stop17h 00m

Saint Thomas Island Cyril E King

Thu 11/2

6:55 p.m.-1:46 p.m.

2 stops19h 51m

C$ 741

TorontoSaint Thomas Island

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

YYZSTT

Toronto Pearson Intl

Wed 6/1

6:00 a.m.-5:05 p.m.

1 stop10h 05m

Saint Thomas Island Cyril E King

Wed 13/1

4:46 p.m.-11:57 p.m.

1 stop8h 11m

C$ 744

TorontoSaint Thomas Island

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

YYZSTT

Toronto Pearson Intl

Tue 2/2

4:00 p.m.-12:00 p.m.

2 stops19h 00m

Saint Thomas Island Cyril E King

Thu 11/2

6:55 p.m.-12:46 p.m.

2 stops18h 51m

C$ 746

TorontoSaint Thomas Island

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

YYZSTT

Toronto Pearson Intl

Wed 13/1

6:00 a.m.-5:05 p.m.

1 stop10h 05m

Saint Thomas Island Cyril E King

Wed 27/1

2:54 p.m.-11:57 p.m.

1 stop10h 03m

C$ 746

TorontoSaint Thomas Island

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

YYZSTT

Toronto Pearson Intl

Tue 2/2

6:00 p.m.-12:00 p.m.

1 stop17h 00m

Saint Thomas Island Cyril E King

Thu 11/2

6:55 p.m.-9:29 a.m.

1 stop15h 34m

C$ 794
Quickest round-trip

TorontoSaint Thomas Island

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

YYZSTT

Toronto Pearson Intl

Wed 13/1

7:00 a.m.-4:18 p.m.

1 stop8h 18m

Saint Thomas Island Cyril E King

Tue 26/1

3:05 p.m.-9:29 p.m.

1 stop7h 24m

C$ 854

TorontoSaint Thomas Island

YTZ Toronto Island - STT Saint Thomas Island Cyril E King

YTZSTT

Toronto Island

Tue 3/11

12:10 p.m.-1:56 p.m.

2 stops24h 46m

Saint Thomas Island Cyril E King

Thu 5/11

1:07 p.m.-4:41 p.m.

2 stops28h 34m

C$ 1,191

TorontoSaint Thomas Island

YTZ Toronto Island - STT Saint Thomas Island Cyril E King

YTZSTT

Toronto Island

Tue 3/11

3:15 p.m.-1:56 p.m.

1 stop21h 41m

Saint Thomas Island Cyril E King

Thu 5/11

1:07 p.m.-10:06 a.m.

2 stops21h 59m

C$ 1,191

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 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 October. Flight prices, which tend to average around C$ 0, are often lower during this time because this is during the off-season. If you aren’t able to travel during the month of October, then book flights to Saint Thomas Island from Region of Ontario during August instead. Flights to Saint Thomas Island in August, while not as cheap as those in October, still average around C$ 400.

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

Fastest flight time

6h 50m

Direct flights

None
The fastest flight from Region of Ontario to Saint Thomas Island takes 6h 50m
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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Frequently asked questions about flying from Ontario to Saint Thomas Island

  • 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$ 408Free CancellationRating
7.4
10,089 reviews
Search United Airlines flights
American AirlinesPriceFrom C$ 640Free CancellationRating
7.1
11,892 reviews
Search American Airlines 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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