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Cheap flights from Ontario to Saint Thomas Island from C$ 289

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 8/4. 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

Enter your travel dates to find the best prices.
Multiple Airlines Logo
6:30 a.m. - 4:15 p.m.
YYZ
-
STT
9h 45m
1 stop
Multiple Airlines Logo
5:10 p.m. - 2:05 p.m.
STT
-
YYZ
20h 55m
1 stop
C$ 591Multiple Airlines
Mon, 20 Apr - Mon, 27 Apr
United Airlines Logo
7:00 a.m. - 3:31 p.m.
YYZ
-
STT
8h 31m
1 stop
United Airlines Logo
2:10 p.m. - 11:59 p.m.
STT
-
YYZ
9h 49m
1 stop
C$ 624United Airlines
Sun, 19 Apr - Thu, 23 Apr
Multiple Airlines Logo
6:30 a.m. - 9:54 a.m.
YYZ
-
STT
27h 24m
2 stops
Multiple Airlines Logo
5:10 p.m. - 1:49 a.m.
STT
-
YYZ
8h 39m
1 stop
C$ 660Multiple Airlines
Mon, 20 Apr - Mon, 27 Apr
United Airlines Logo
6:10 a.m. - 3:31 p.m.
YUL
-
STT
9h 21m
1 stop
United Airlines Logo
1:22 p.m. - 10:06 p.m.
STT
-
YUL
8h 44m
1 stop
C$ 673United Airlines
Wed, 15 Apr - Wed, 29 Apr
Multiple Airlines Logo
6:15 a.m. - 9:54 a.m.
YYZ
-
STT
27h 39m
3 stops
Multiple Airlines Logo
12:25 p.m. - 1:49 a.m.
STT
-
YYZ
13h 24m
1 stop
C$ 674Multiple Airlines
Mon, 20 Apr - Mon, 27 Apr
United Airlines Logo
6:10 a.m. - 3:31 p.m.
YUL
-
STT
9h 21m
1 stop
United Airlines Logo
4:45 p.m. - 12:13 a.m.
STT
-
YUL
7h 28m
1 stop
C$ 674United Airlines
Tue, 21 Apr - Tue, 28 Apr
Multiple Airlines Logo
8:00 a.m. - 4:15 p.m.
YUL
-
STT
8h 15m
1 stop
Multiple Airlines Logo
5:10 p.m. - 6:25 p.m.
STT
-
YUL
25h 15m
2 stops
C$ 678Multiple Airlines
Mon, 20 Apr - Mon, 27 Apr
Multiple Airlines Logo
7:40 a.m. - 4:15 p.m.
YYZ
-
STT
8h 35m
1 stop
Multiple Airlines Logo
12:25 p.m. - 11:45 a.m.
STT
-
YYZ
23h 20m
1 stop
C$ 697Multiple Airlines
Thu, 23 Apr - Thu, 30 Apr
Air Canada Logo
8:30 p.m. - 1:08 p.m.
YTZ
-
STT
16h 38m
2 stops
Air Canada Logo
6:05 p.m. - 11:52 a.m.
STT
-
YTZ
17h 47m
2 stops
C$ 1,168Air Canada
Sat, 11 Apr - Sat, 18 Apr
Air Canada Logo
5:30 p.m. - 1:08 p.m.
YTZ
-
STT
19h 38m
2 stops
Air Canada Logo
6:05 p.m. - 3:52 p.m.
STT
-
YTZ
21h 47m
2 stops
C$ 1,293Air Canada
Sat, 11 Apr - Sat, 18 Apr

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
13 Apr
YUL4:10 p.m.Montreal Pierre Elliott Trudeau Intl
20h 58m
2 stops
STT1:08 p.m.Saint Thomas Island Cyril E King
16 Apr
STT1:22 p.m.Saint Thomas Island Cyril E King
23h 47m
1 stop
YUL1:09 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 909
Air Canada
20 Apr
YUL4:00 p.m.Montreal Pierre Elliott Trudeau Intl
21h 08m
2 stops
STT1:08 p.m.Saint Thomas Island Cyril E King
22 Apr
STT1:22 p.m.Saint Thomas Island Cyril E King
18h 59m
2 stops
YUL8:21 a.m.Montreal Pierre Elliott Trudeau Intl
C$ 920
Air Canada
26 Apr
YUL1:15 p.m.Montreal Pierre Elliott Trudeau Intl
23h 53m
1 stop
STT1:08 p.m.Saint Thomas Island Cyril E King
29 Apr
STT1:22 p.m.Saint Thomas Island Cyril E King
21h 59m
2 stops
YUL11:21 a.m.Montreal Pierre Elliott Trudeau Intl
C$ 1,040

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
7 Sep
YYZ6:00 p.m.Toronto Pearson Intl
19h 52m
1 stop
STT1:52 p.m.Saint Thomas Island Cyril E King
17 Sep
STT2:54 p.m.Saint Thomas Island Cyril E King
19h 28m
1 stop
YYZ10:22 a.m.Toronto Pearson Intl
C$ 788
Delta
5 Sep
YYZ11:30 a.m.Toronto Pearson Intl
26h 22m
1 stop
STT1:52 p.m.Saint Thomas Island Cyril E King
17 Sep
STT2:54 p.m.Saint Thomas Island Cyril E King
19h 28m
1 stop
YYZ10:22 a.m.Toronto Pearson Intl
C$ 822
Delta
8 Sep
YYZ6:00 p.m.Toronto Pearson Intl
19h 52m
1 stop
STT1:52 p.m.Saint Thomas Island Cyril E King
18 Sep
STT2:54 p.m.Saint Thomas Island Cyril E King
19h 28m
1 stop
YYZ10:22 a.m.Toronto Pearson Intl
C$ 824

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 25 March 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 - STT

YYZSTT

Toronto Pearson Intl

Mon 20/4

6:30 a.m.-4:15 p.m.

1 stop9h 45m

Saint Thomas Island Cyril E King

Mon 27/4

5:10 p.m.-2:05 p.m.

1 stop20h 55m

C$ 591

TorontoSaint Thomas Island

YYZ - STT

YYZSTT

Toronto Pearson Intl

Sun 19/4

7:00 a.m.-3:31 p.m.

1 stop8h 31m

Saint Thomas Island Cyril E King

Thu 23/4

2:10 p.m.-11:59 p.m.

1 stop9h 49m

C$ 624

TorontoSaint Thomas Island

YYZ - STT

YYZSTT

Toronto Pearson Intl

Mon 20/4

6:30 a.m.-9:54 a.m.

2 stops27h 24m

Saint Thomas Island Cyril E King

Mon 27/4

5:10 p.m.-1:49 a.m.

1 stop8h 39m

C$ 660

MontrealSaint Thomas Island

YUL - STT

YULSTT

Montreal Pierre Elliott Trudeau Intl

Wed 15/4

6:10 a.m.-3:31 p.m.

1 stop9h 21m

Saint Thomas Island Cyril E King

Wed 29/4

1:22 p.m.-10:06 p.m.

1 stop8h 44m

C$ 673

TorontoSaint Thomas Island

YYZ - STT

YYZSTT

Toronto Pearson Intl

Mon 20/4

6:15 a.m.-9:54 a.m.

3 stops27h 39m

Saint Thomas Island Cyril E King

Mon 27/4

12:25 p.m.-1:49 a.m.

1 stop13h 24m

C$ 674
Quickest round-trip

MontrealSaint Thomas Island

YUL - STT

YULSTT

Montreal Pierre Elliott Trudeau Intl

Tue 21/4

6:10 a.m.-3:31 p.m.

1 stop9h 21m

Saint Thomas Island Cyril E King

Tue 28/4

4:45 p.m.-12:13 a.m.

1 stop7h 28m

C$ 674

MontrealSaint Thomas Island

YUL - STT

YULSTT

Montreal Pierre Elliott Trudeau Intl

Mon 20/4

8:00 a.m.-4:15 p.m.

1 stop8h 15m

Saint Thomas Island Cyril E King

Mon 27/4

5:10 p.m.-6:25 p.m.

2 stops25h 15m

C$ 678

TorontoSaint Thomas Island

YYZ - STT

YYZSTT

Toronto Pearson Intl

Thu 23/4

7:40 a.m.-4:15 p.m.

1 stop8h 35m

Saint Thomas Island Cyril E King

Thu 30/4

12:25 p.m.-11:45 a.m.

1 stop23h 20m

C$ 697

TorontoSaint Thomas Island

YTZ - STT

YTZSTT

Toronto Island

Sat 11/4

8:30 p.m.-1:08 p.m.

2 stops16h 38m

Saint Thomas Island Cyril E King

Sat 18/4

6:05 p.m.-11:52 a.m.

2 stops17h 47m

C$ 1,168

TorontoSaint Thomas Island

YTZ - STT

YTZSTT

Toronto Island

Sat 11/4

5:30 p.m.-1:08 p.m.

2 stops19h 38m

Saint Thomas Island Cyril E King

Sat 18/4

6:05 p.m.-3:52 p.m.

2 stops21h 47m

C$ 1,293

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 airline that flies from Ontario to Saint Thomas Island Cyril E King?

United Airlines is the most popular carrier operating from Ontario to Saint Thomas Island Cyril E King

Which airlines fly to Saint Thomas Island?

American Airlines, United Airlines and Delta are the top three most popular airlines that fly to Saint Thomas Island from Region of Ontario according to our data. American Airlines is the first choice among our users, with 39% of people opting to fly with this airline when travelling to Saint Thomas Island. Keep in mind that there are 3 different airlines that fly to Saint Thomas Island on a routine basis, so you have a few additional options to choose from.

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

7h 08m

Direct flights

None
The fastest flight from Region of Ontario to Saint Thomas Island takes 7h 08m
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.
Search flight deals

  • 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
DeltaPriceFrom C$ 571Free CancellationRating
7.9
8,327 reviews
Search Delta flights
United AirlinesPriceFrom C$ 597Free CancellationRating
7.4
9,478 reviews
Search United Airlines flights
American AirlinesPriceFrom C$ 631Free CancellationRating
7.1
11,493 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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