$235+ 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 10/23. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — STT
Jul 30 — Aug 61

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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 July 25, 2024.

Popular in

June

Cheapest in

March

Round-trip from

$358
(JetBlue)

One-way from

$235
(American Airlines)
High demand for flights, 34% potential price rise
Best time to find cheap flights, 40% potential price drop
From Ontario to Saint Thomas Island Cyril E King
One-way flight from Ontario to Saint Thomas Island Cyril E King

What is the cheapest day to fly round-trip from Ontario to Saint Thomas Island?

Flights from Ontario to Saint Thomas Island are found to be more expensive on Saturday. This shouldn't discourage you from searching as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Saint Thomas Island.

How far in advance should I book a flight from Ontario to Saint Thomas Island?

Find a great deal and save up to 53% by booking at least 16 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Ontario to Saint Thomas Island within the next two weeks, with the cheapest ticket starting at $400.

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

Flights from Ontario to Saint Thomas Island lean towards being more expensive in June. Prices are generally better when you fly from Ontario to Saint Thomas Island in February, with the cheapest ticket starting at $296.

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

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.

Cheap Ontario to Saint Thomas Island flights in July & August 2024

Find cheap flight options from Ontario to Saint Thomas Island specifically for the months of July and August 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,752,877 searches. Prices were last updated on July 25, 2024.
The lowest fares we've come across on flights traveling from Ontario to Saint Thomas Island in July and August 2024. If these deals don't appeal to you, be sure to come back soon for more options.
This Delta deal was found by Cheapflights users on 7/24. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/3010:00 pmONT - STT
1 stop12h 48mDelta
Mon 9/92:49 pmSTT - ONT
1 stop10h 57mDelta
Deal found 7/24$536
This Delta deal was found by Cheapflights users on 7/24. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2910:00 pmONT - STT
1 stop12h 48mDelta
Mon 9/92:49 pmSTT - ONT
1 stop10h 57mDelta
Deal found 7/24$643
This American Airlines deal was found by Cheapflights users on 7/25. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/54:31 pmONT - STT
2 stops17h 23mAmerican Airlines
Thu 8/82:00 pmSTT - ONT
2 stops12h 58mAmerican Airlines
Deal found 7/25$850
This United Airlines deal was found by Cheapflights users on 7/25. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/296:35 pmONT - STT
2 stops14h 44mUnited Airlines
Wed 7/311:15 pmSTT - ONT
2 stops12h 30mUnited Airlines
Deal found 7/25$888
This United Airlines deal was found by Cheapflights users on 7/24. 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.
Mon 8/126:35 pmONT - STT
2 stops14h 44mUnited Airlines
Thu 8/151:15 pmSTT - ONT
1 stop10h 56mUnited Airlines
Deal found 7/24$1,013
This United Airlines deal was found by Cheapflights users on 7/23. 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.
Fri 8/236:45 pmONT - STT
2 stops17h 49mUnited Airlines
Mon 8/2611:50 amSTT - ONT
2 stops12h 41mUnited Airlines
Deal found 7/23$1,062
This United Airlines deal was found by Cheapflights users on 7/25. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/236:45 pmONT - STT
2 stops17h 49mUnited Airlines
Fri 8/306:05 pmSTT - ONT
2 stops29h 57mUnited Airlines
Deal found 7/25$1,094
This United Airlines deal was found by Cheapflights users on 7/25. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/296:35 pmONT - STT
2 stops14h 44mUnited Airlines
Wed 7/311:15 pmSTT - ONT
1 stop10h 56mUnited Airlines
Deal found 7/25$1,224
This United Airlines deal was found by Cheapflights users on 7/24. 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 8/66:35 pmONT - STT
2 stops14h 44mUnited Airlines
Sat 8/104:00 pmSTT - ONT
2 stops23h 33mUnited Airlines
Deal found 7/24$1,226

Ontario to Saint Thomas Island 2024 flight deals

Discover exclusive flight deals for travel between Ontario and Saint Thomas Island in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,752,877 searches. Data last updated July 25, 2024.
The lowest fares we've come across on flights traveling from Ontario to Saint Thomas Island in July and August 2024. If these deals don't appeal to you, be sure to come back soon for more options.
This JetBlue deal was found by Cheapflights users on 7/25. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1311:35 pmONT - STT
2 stops34h 08mJetBlue
Thu 9/261:35 pmSTT - ONT
2 stops35h 45mJetBlue
Deal found 7/25$358
This Delta deal was found by Cheapflights users on 7/24. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/3010:00 pmONT - STT
1 stop12h 48mDelta
Mon 9/92:49 pmSTT - ONT
1 stop10h 57mDelta
Deal found 7/24$536
This American Airlines deal was found by Cheapflights users on 7/25. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1310:38 pmONT - STT
1 stop12h 32mAmerican Airlines
Thu 9/261:50 pmSTT - ONT
2 stops13h 06mAmerican Airlines
Deal found 7/25$564
This Delta deal was found by Cheapflights users on 7/24. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2910:00 pmONT - STT
1 stop12h 48mDelta
Mon 9/92:49 pmSTT - ONT
1 stop10h 57mDelta
Deal found 7/24$643
This United Airlines deal was found by Cheapflights users on 7/24. 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.
Sat 11/26:28 pmONT - STT
2 stops16h 47mUnited Airlines
Sat 11/92:15 pmSTT - ONT
1 stop11h 47mUnited Airlines
Deal found 7/24$726
This United Airlines deal was found by Cheapflights users on 7/24. 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.
Sat 11/26:28 pmONT - STT
2 stops16h 47mUnited Airlines
Sat 11/92:15 pmSTT - ONT
2 stops26h 25mUnited Airlines
Deal found 7/24$772
This American Airlines deal was found by Cheapflights users on 7/25. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/54:31 pmONT - STT
2 stops17h 23mAmerican Airlines
Thu 8/82:00 pmSTT - ONT
2 stops12h 58mAmerican Airlines
Deal found 7/25$850
This United Airlines deal was found by Cheapflights users on 7/25. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/296:35 pmONT - STT
2 stops14h 44mUnited Airlines
Wed 7/311:15 pmSTT - ONT
2 stops12h 30mUnited Airlines
Deal found 7/25$888
This United Airlines deal was found by Cheapflights users on 7/24. 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.
Mon 8/126:35 pmONT - STT
2 stops14h 44mUnited Airlines
Thu 8/151:15 pmSTT - ONT
1 stop10h 56mUnited Airlines
Deal found 7/24$1,013

One-way flights to Saint Thomas Island from Ontario

Search for one-way flight options from Ontario to Saint Thomas Island. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,752,877 searches. Data last updated July 25, 2024.
Take a look at some of the best available options we've come across on one-way flights from Ontario to Saint Thomas Island. Those needing a return flight from Ontario to Saint Thomas Island can use the search form above.
This American Airlines deal was found by Cheapflights users on 7/25. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/234:54 pmONT - STT
2 stops16h 49mAmerican Airlines
Deal found 7/25$235
This United Airlines deal was found by Cheapflights users on 7/24. 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.
Sat 10/266:35 pmONT - STT
2 stops15h 40mUnited Airlines
Deal found 7/24$280

Find flights from Ontario to Saint Thomas Island within your budget

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 2,752,877 searches. Data last updated July 25, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$358 - $888

Route

Depart

Return

Price

OntarioSaint Thomas Island Cyril E King

ONT - STT

ONTSTT

Ontario

Fri 9/13

2 stops34h 08m

Saint Thomas Island Cyril E King

Thu 9/26

2 stops35h 45m

$358

OntarioSaint Thomas Island Cyril E King

ONT - STT

ONTSTT

Ontario

Fri 1/17

2 stops15h 43m

Saint Thomas Island Cyril E King

Tue 1/21

2 stops21h 14m

$474

OntarioSaint Thomas Island Cyril E King

ONT - STT

ONTSTT

Ontario

Fri 8/30

1 stop12h 48m

Saint Thomas Island Cyril E King

Mon 9/9

1 stop10h 57m

$536

OntarioSaint Thomas Island Cyril E King

ONT - STT

ONTSTT

Ontario

Fri 9/13

1 stop12h 32m

Saint Thomas Island Cyril E King

Thu 9/26

2 stops13h 06m

$564

OntarioSaint Thomas Island Cyril E King

ONT - STT

ONTSTT

Ontario

Thu 8/29

1 stop12h 48m

Saint Thomas Island Cyril E King

Mon 9/9

1 stop10h 57m

$643

OntarioSaint Thomas Island Cyril E King

ONT - STT

ONTSTT

Ontario

Sat 11/2

2 stops16h 47m

Saint Thomas Island Cyril E King

Sat 11/9

1 stop11h 47m

$726

OntarioSaint Thomas Island Cyril E King

ONT - STT

ONTSTT

Ontario

Sat 11/2

2 stops16h 47m

Saint Thomas Island Cyril E King

Sat 11/9

2 stops26h 25m

$772

OntarioSaint Thomas Island Cyril E King

ONT - STT

ONTSTT

Ontario

Mon 8/5

2 stops17h 23m

Saint Thomas Island Cyril E King

Thu 8/8

2 stops12h 58m

$850

OntarioSaint Thomas Island Cyril E King

ONT - STT

ONTSTT

Ontario

Wed 11/20

2 stops14h 43m

Saint Thomas Island Cyril E King

Sun 11/24

1 stop11h 47m

$888

Flights are sorted by cheapest first

Deals found on 7/25

What is the cheapest day to fly from Ontario to Saint Thomas Island?

Use this chart to determine the cheapest time to fly round-trip from Ontario to Saint Thomas Island. Price data was last updated on July 21, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Ontario to Saint Thomas Island flight should consider departing on Monday evenings when fares are most often at their lowest. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

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.

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 July 25, 2024.
Get a feel of what it's like to fly with United Airlines, American Airlines and Delta from Ontario to Saint Thomas Island by reading reviews from past customers. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.0
Very good
9,630 reviews

Entertainment

8.0

Boarding

8.2

Food

7.4

Overall

8.0

Comfort

7.9

Crew

8.6

Reviews

1 / 10

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin

8.0
Very good
9,630 reviews
8.0
Very good
9,630 reviews

Entertainment

8.0

Boarding

8.2

Food

7.4

Overall

8.0

Comfort

7.9

Crew

8.6

Reviews

1 / 10

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin

7.6
Good
3,996 reviews
8.0
Very good
9,630 reviews

Entertainment

8.0

Boarding

8.2

Food

7.4

Overall

8.0

Comfort

7.9

Crew

8.6

Reviews

1 / 10

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin

7.4
Good
10,000 reviews
8.0
Very good
9,630 reviews

Entertainment

8.0

Boarding

8.2

Food

7.4

Overall

8.0

Comfort

7.9

Crew

8.6

Reviews

1 / 10

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin

7.3
Good
10,000 reviews
8.0
Very good
9,630 reviews

Entertainment

8.0

Boarding

8.2

Food

7.4

Overall

8.0

Comfort

7.9

Crew

8.6

Reviews

1 / 10

Not sufficient leg room and three seats are very tigh.t on 737 in economy main cabin

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.
  • Can I find flights from Ontario to Saint Thomas Island for under $400 on Cheapflights?

    Yes, there are multiple flights from Ontario to Saint Thomas Island for under $400. The cheapest flight booked recently is on JetBlue for just $358, but on average you can expect to pay $994.

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

    Currently priced at $358, JetBlue will fly you from Ontario to Saint Thomas Island and back. In addition to JetBlue, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from American Airlines and Delta - these airlines can fly you to your destination from $474 and $536, respectively. Users have found that JetBlue is 50% cheaper than the other options available to this destination.

  • What does ONT to STT mean?

    Great question - ONT to STT just means Ontario Airport to Saint Thomas Island Cyril E King Airport. Now you’ll know what these unique codes when you look for flights!

  • Can I find deals for flights from Ontario to Saint Thomas Island that include extra baggage allowance?

    The amount of baggage you can bring on your Ontario to Saint Thomas Island flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Ontario to Saint Thomas Island with specific airlines?

    Yes, Cheapflights allows you to browse and filter Ontario to Saint Thomas Island flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

  • 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.

  • Can I find deals for flights from Ontario to Saint Thomas Island that allow pets onboard?

    Many airlines flying from Ontario to Saint Thomas Island offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Ontario to Saint Thomas Island?

    Yes, you can often find last-minute deals on Ontario to Saint Thomas Island flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Ontario to Saint Thomas Island flight deals updated?

    The Ontario to Saint Thomas Island flight deals you see on this page were last updated on 7/25.

  • 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 $436). Flying from Ontario to Saint Thomas Island in June is currently the most expensive (average of $624). 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

Browse thousands of different options on Cheapflights for your next trip

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Top 2 airlines flying from Ontario to Saint Thomas Island

Discover the top 2 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 2,752,877 searches. Data last updated July 25, 2024.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$473Average$795FlexibilityNo cancel feeOn-time71%
DeltaCheapest$485Average$965FlexibilityNo cancel feeOn-timeN/A

Search flights from Ontario to Saint Thomas Island by cabin class

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