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Cheap flights from Ontario to Saint Thomas Island from C$ 497

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 13/9. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — STT
5 Aug — 12 Aug1
1 adult

Cheap 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 31 July 2025.

Round-trip from

C$ 497

Popular in

July

Cheapest in

October

Average price

C$ 1,234
13/9-20/9
  • 13/9-20/9
  • 2 total stops
  • 54h 30m total
  • Ontario to Saint Thomas Island
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Highest demand for flights based on searches. 10% potential increase in price (C$ 149 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 42 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find flight deals from Ontario to Saint Thomas Island

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 31 July 2025.

Sat 13/96:30 a.m.YYZ - STT
1 stop27h 14mMultiple Airlines
Sat 20/910:49 a.m.STT - YYZ
1 stop27h 16mMultiple Airlines
Deal found 30/7C$ 497
Sat 13/96:00 a.m.YYZ - STT
1 stop10h 00mAmerican Airlines
Sat 20/95:10 p.m.STT - YYZ
2 stops18h 04mAmerican Airlines
Deal found 30/7C$ 641
Sat 13/93:00 p.m.YTZ - STT
2 stops18h 44mMultiple Airlines
Sat 20/910:49 a.m.STT - YTZ
2 stops24h 51mMultiple Airlines
Deal found 30/7C$ 743
Tue 4/119:15 a.m.YUL - STT
1 stop26h 57mUnited Airlines
Thu 13/112:15 p.m.STT - YUL
1 stop8h 27mUnited Airlines
Deal found 30/7C$ 906
Sat 15/113:30 p.m.YTZ - STT
2 stops19h 30mAir Canada
Sat 22/115:25 p.m.STT - YTZ
2 stops19h 30mAir Canada
Deal found 31/7C$ 1,053
Sat 22/1110:30 p.m.YUL - STT
2 stops36h 30mAir Canada
Sat 29/115:25 p.m.STT - YUL
2 stops25h 58mAir Canada
Deal found 31/7C$ 1,499

Cheapflights Fare Finder

 
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 629,999 searches. Data last updated 31 July 2025.
Use the filters below to find and compare flights from Ontario to Saint Thomas Island that are best for you.

Fly from

Ontario

Fly to

Saint Thomas Island

Route

Depart

Return

Price

TorontoSaint Thomas Island

YYZ - STT

YYZSTT

Toronto Pearson Intl

Sat 13/9

6:30 a.m.-9:44 a.m.

1 stop27h 14m

Saint Thomas Island Cyril E King

Sat 20/9

10:49 a.m.-2:05 p.m.

1 stop27h 16m

C$ 497

TorontoSaint Thomas Island

YYZ - STT

YYZSTT

Toronto Pearson Intl

Wed 14/1

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

1 stop8h 18m

Saint Thomas Island Cyril E King

Wed 21/1

1:05 p.m.-6:37 p.m.

1 stop6h 32m

C$ 570

TorontoSaint Thomas Island

YYZ - STT

YYZSTT

Toronto Pearson Intl

Wed 14/1

7:30 a.m.-5:25 p.m.

2 stops8h 55m

Saint Thomas Island Cyril E King

Wed 21/1

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

1 stop8h 19m

C$ 603

TorontoSaint Thomas Island

YTZ - STT

YTZSTT

Toronto Island

Sat 13/9

3:00 p.m.-9:44 a.m.

2 stops18h 44m

Saint Thomas Island Cyril E King

Sat 20/9

10:49 a.m.-11:40 a.m.

2 stops24h 51m

C$ 743

MontrealSaint Thomas Island

YUL - STT

YULSTT

Montreal Pierre Elliott Trudeau Intl

Tue 4/11

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

1 stop26h 57m

Saint Thomas Island Cyril E King

Thu 13/11

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

1 stop8h 27m

C$ 906

TorontoSaint Thomas Island

YTZ - STT

YTZSTT

Toronto Island

Sat 15/11

3:30 p.m.-12:00 p.m.

2 stops19h 30m

Saint Thomas Island Cyril E King

Sat 22/11

5:25 p.m.-11:55 a.m.

2 stops19h 30m

C$ 1,053

MontrealSaint Thomas Island

YUL - STT

YULSTT

Montreal Pierre Elliott Trudeau Intl

Sat 22/11

10:30 p.m.-12:00 p.m.

2 stops36h 30m

Saint Thomas Island Cyril E King

Sat 29/11

5:25 p.m.-6:23 p.m.

2 stops25h 58m

C$ 1,499

Flights are sorted by cheapest round-trip flights first.

Deals found on 30/7

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
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

What is the cheapest time of day to fly from ON to STT?

Find hourly flight availability from Ontario to Saint Thomas Island. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 31 July 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Region of Ontario to Saint Thomas Island as you normally would.

Reviews of airlines servicing Saint Thomas Island

Get insights into the airlines that provide service to Saint Thomas Island. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Saint Thomas Island. Reviews last updated 31 July 2025.
Get a feel of what it's like to fly with Delta,United Airlines, andAmerican Airlines from Ontario to Saint Thomas Island by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,981 reviews
Check prices

Comfort

7.9

Overall

8.0

Entertainment

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,981 reviews
Delta
8.0
Very good
7,981 reviews
Check prices

Comfort

7.9

Overall

8.0

Entertainment

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
8,900 reviews
Delta
8.0
Very good
7,981 reviews
Check prices

Comfort

7.9

Overall

8.0

Entertainment

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,981 reviews
Check prices

Comfort

7.9

Overall

8.0

Entertainment

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Air Canada
7.1
Good
9,851 reviews
Delta
8.0
Very good
7,981 reviews
Check prices

Comfort

7.9

Overall

8.0

Entertainment

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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.

  • 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.

See more FAQs

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Top 4 airlines flying from Ontario to Saint Thomas Island

Discover the top 4 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 629,999 searches. Data last updated 31 July 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapestC$ 459AverageC$ 666FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
United AirlinesCheapestC$ 520AverageC$ 849FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
American AirlinesCheapestC$ 533AverageC$ 910FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Air CanadaCheapestC$ 984AverageC$ 1,165FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

Fly with Cheapflights

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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.

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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