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Saint Thomas Island

$292+ Cheap flights from Ontario (ONT) to Saint Thomas Island (STT)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/20. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — STT
Mar 31 — Apr 71
Mon 3/31
Mon 4/7
1 adult, Economy
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Find cheap flights from Ontario to Saint Thomas Island with Cheapflights

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Cheap flight deals from Ontario to Saint Thomas Island

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Saint Thomas Island (STT). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated March 26, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$535
(American Airlines)

One-way from

$292
(Trip.com)

Popular in

November

Cheapest in

September

Average price

$558
Provider with most accurate pricing for Ontario-Saint Thomas Island Cyril E King flight deals.
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Provider most trusted by Cheapflights users for Ontario-Saint Thomas Island Cyril E King flights.
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From Ontario to Saint Thomas Island Cyril E King
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One-way flight from Ontario to Saint Thomas Island Cyril E King
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Highest demand for flights based on searches. 26% potential increase in price ($285 potential increase over avg. RT price).
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Cheapest flight prices on average. 13% potential price decrease ($99 potential savings vs. average RT price).
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Average for round-trip flights in March 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 March 26, 2025.

This American Airlines deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1211:02 pmONT - STT
1 stop10h 38mAmerican Airlines
Wed 8/201:38 pmSTT - ONT
1 stop9h 09mAmerican Airlines
Deal found 3/24$535
This Delta deal was found by Cheapflights users on 3/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1210:59 pmONT - STT
1 stop12h 41mDelta
Tue 9/232:49 pmSTT - ONT
1 stop10h 40mDelta
Deal found 3/25$557
This United Airlines deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/276:41 pmONT - STT
2 stops14h 36mUnited Airlines
Wed 6/41:19 pmSTT - ONT
1 stop10h 51mUnited Airlines
Deal found 3/24$752
This United deal was found by Cheapflights users on 3/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/126:00 amONT - STT
2 stops30h 45mMultiple Airlines
Wed 8/204:35 pmSTT - ONT
3 stops33h 18mMultiple Airlines
Deal found 3/24$1,087

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 2,558,603 searches. Data last updated March 26, 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

OntarioSaint Thomas Island

ONT - STT

ONTSTT

Ontario

Tue 8/12

11:02 pm-12:40 pm

1 stop10h 38m

Saint Thomas Island Cyril E King

Wed 8/20

1:38 pm-7:47 pm

1 stop9h 09m

$535

OntarioSaint Thomas Island

ONT - STT

ONTSTT

Ontario

Fri 9/12

10:59 pm-2:40 pm

1 stop12h 41m

Saint Thomas Island Cyril E King

Tue 9/23

2:49 pm-10:29 pm

1 stop10h 40m

$557

OntarioSaint Thomas Island

ONT - STT

ONTSTT

Ontario

Tue 5/27

6:41 pm-12:17 pm

2 stops14h 36m

Saint Thomas Island Cyril E King

Wed 6/4

1:19 pm-9:10 pm

1 stop10h 51m

$752

OntarioSaint Thomas Island

ONT - STT

ONTSTT

Ontario

Tue 8/12

6:00 am-3:45 pm

2 stops30h 45m

Saint Thomas Island Cyril E King

Wed 8/20

4:35 pm-10:53 pm

3 stops33h 18m

$1,087

OntarioSaint Thomas Island

ONT - STT

ONTSTT

Ontario

Sun 4/20

12:59 am-12:14 pm

2 stops32h 15m

$292

OntarioSaint Thomas Island

ONT - STT

ONTSTT

Ontario

Wed 8/6

6:38 pm-12:17 pm

2 stops14h 39m

$311

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/24

Compare providers for flights from Ontario to Saint Thomas Island

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Ontario to Saint Thomas Island in March.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*1 star
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Ontario-Saint Thomas Island flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ontario-Saint Thomas Island flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Ontario-Saint Thomas Island flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Ontario-Saint Thomas Island flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Ontario-Saint Thomas Island flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 month to book a flight from Ontario to Saint Thomas Island?

Currently, September is the cheapest month in which you can book a flight from Ontario to Saint Thomas Island (average of $433). Flying from Ontario to Saint Thomas Island in June is currently the most expensive (average of $646). 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.

What is the cheapest time of day to fly from ONT 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 March 26, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from 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 March 26, 2025.
Delta
8.0
Very good
7,891 reviews

Boarding

8.2

Food

7.3

Overall

8.0

Crew

8.5

Entertainment

7.9

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,891 reviews
Delta
8.0
Very good
7,891 reviews

Boarding

8.2

Food

7.3

Overall

8.0

Crew

8.5

Entertainment

7.9

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,608 reviews
Delta
8.0
Very good
7,891 reviews

Boarding

8.2

Food

7.3

Overall

8.0

Crew

8.5

Entertainment

7.9

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,891 reviews

Boarding

8.2

Food

7.3

Overall

8.0

Crew

8.5

Entertainment

7.9

Comfort

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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 are the cheapest airlines flying from Ontario to Saint Thomas Island round-trip?

    Currently priced at $535, American Airlines will fly you from Ontario to Saint Thomas Island and back. In addition to American Airlines, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Delta and United Airlines - these airlines can fly you to your destination from $557 and $752, respectively. Users have found that American Airlines is 33% cheaper than the other options available to this destination.

  • 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 Ontario to Saint Thomas Island?

    Currently, September is the cheapest month in which you can book a flight from Ontario to Saint Thomas Island (average of $433). Flying from Ontario to Saint Thomas Island in June is currently the most expensive (average of $646). 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.

See more FAQs

Traveling to a place near Ontario?

Book flights to Ontario if you plan to visit one of these locations
St. John

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Top airline flying from Ontario to Saint Thomas Island

Discover the top airline 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 2,558,603 searches. Data last updated March 26, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$473Average$1,031FlexibilityNo cancel feeOn-time71%
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