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Cheap flights from Ontario (ONT) to Saint Thomas Island (STT) from $437

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 7/8. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
ONT — STT
Jun 2 — Jun 91
From?
To?
Sun 6/2
Sun 6/9
1 adult, Economy
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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 May 28, 2024.

Popular in

July

Cheapest in

March

Average price

$953

Round-trip from

$459
High demand for flights, 48% potential price rise
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Best time to find cheap flights, 49% potential price drop
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Average for round-trip flights in May 2024
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From Ontario to Saint Thomas Island Cyril E King
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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 Thursday. 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 120% 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 $520.

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.

When is the cheapest time to fly from Ontario to Saint Thomas Island (ONT - 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 Delta flights from Ontario to Saint Thomas Island

Explore cheap flight options specifically provided by Delta for the route between Ontario and Saint Thomas Island. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,696,634 searches. Data last updated May 28, 2024.
Find some of the cheapest Delta flights traveling from Ontario to Saint Thomas Island. Make sure to check back often as deals are often changing.
Mon 7/810:00 pmONT - STT
1 stop12h 48mDelta
Wed 7/241:21 pmSTT - ONT
1 stop12h 36mDelta
Deal found 5/27$437
Mon 7/2210:00 pmONT - STT
1 stop13h 54mDelta
Sat 9/282:24 pmSTT - ONT
1 stop11h 04mDelta
Deal found 5/27$455
Thu 7/2510:00 pmONT - STT
1 stop13h 54mDelta
Thu 9/262:24 pmSTT - ONT
1 stop11h 04mDelta
Deal found 5/27$472
Thu 7/2510:00 pmONT - STT
1 stop12h 48mDelta
Sun 9/292:24 pmSTT - ONT
1 stop11h 04mDelta
Deal found 5/27$495
Fri 7/55:00 pmONT - STT
2 stops16h 12mDelta
Mon 7/153:00 pmSTT - ONT
1 stop10h 57mDelta
Deal found 5/27$3,110

Cheap American Airlines flights from Ontario to Saint Thomas Island

Explore cheap flight options specifically provided by American Airlines for the route between Ontario and Saint Thomas Island. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,696,634 searches. Data last updated May 28, 2024.
Take a gander at the lowest prices we've found on American Airlines flights from Ontario to Saint Thomas Island. Deals are refreshing constantly so come back soon for more options.
Mon 8/1910:30 pmONT - STT
1 stop11h 27mAmerican Airlines
Mon 8/263:32 pmSTT - ONT
2 stops23h 21mAmerican Airlines
Deal found 5/27$573
Wed 8/1412:40 pmONT - STT
2 stops21h 14mAmerican Airlines
Thu 8/225:25 pmSTT - ONT
2 stops29h 58mAmerican Airlines
Deal found 5/28$574
Fri 9/202:44 pmONT - STT
2 stops19h 07mAmerican Airlines
Fri 9/271:50 pmSTT - ONT
2 stops21h 57mAmerican Airlines
Deal found 5/27$614
Thu 7/182:47 pmONT - STT
2 stops22h 32mAmerican Airlines
Wed 7/2411:35 amSTT - ONT
1 stop14h 25mAmerican Airlines
Deal found 5/28$662
Thu 8/292:39 pmONT - STT
2 stops22h 21mAmerican Airlines
Sun 9/11:37 pmSTT - ONT
1 stop9h 46mAmerican Airlines
Deal found 5/26$683
Tue 8/2010:30 pmONT - STT
1 stop11h 27mAmerican Airlines
Sun 8/251:37 pmSTT - ONT
1 stop9h 46mAmerican Airlines
Deal found 5/28$713
Wed 6/192:44 pmONT - STT
2 stops22h 38mAmerican Airlines
Wed 6/265:18 pmSTT - ONT
2 stops31h 22mAmerican Airlines
Deal found 5/27$766
Fri 9/2010:40 pmONT - STT
1 stop12h 30mAmerican Airlines
Fri 9/271:50 pmSTT - ONT
2 stops11h 22mAmerican Airlines
Deal found 5/27$802
Thu 6/272:44 pmONT - STT
2 stops22h 38mAmerican Airlines
Tue 7/22:20 pmSTT - ONT
2 stops24h 34mAmerican Airlines
Deal found 5/27$804

Cheap Ontario to Saint Thomas Island flights in May & June 2024

Find cheap flight options from Ontario to Saint Thomas Island specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,696,634 searches. Prices were last updated on May 28, 2024.
The lowest fares we've come across on flights traveling from Ontario to Saint Thomas Island in May and June 2024. If these deals don't appeal to you, be sure to come back soon for more options.
Wed 6/192:44 pmONT - STT
2 stops22h 38mAmerican Airlines
Wed 6/265:18 pmSTT - ONT
2 stops31h 22mAmerican Airlines
Deal found 5/27$766
Thu 6/272:44 pmONT - STT
2 stops22h 38mAmerican Airlines
Tue 7/22:20 pmSTT - ONT
2 stops24h 34mAmerican Airlines
Deal found 5/27$804
Wed 6/511:59 pmONT - STT
2 stops13h 23mAmerican Airlines
Wed 6/123:40 pmSTT - ONT
1 stop10h 19mAmerican Airlines
Deal found 5/27$828
Wed 6/192:44 pmONT - STT
2 stops22h 38mAmerican Airlines
Wed 6/263:40 pmSTT - ONT
1 stop10h 19mAmerican Airlines
Deal found 5/27$864
Wed 6/511:59 pmONT - STT
2 stops13h 23mAmerican Airlines
Wed 6/122:20 pmSTT - ONT
2 stops12h 39mAmerican Airlines
Deal found 5/27$894
Tue 6/2511:59 pmONT - STT
2 stops13h 23mAmerican Airlines
Tue 7/211:35 amSTT - ONT
1 stop14h 24mAmerican Airlines
Deal found 5/26$928
Wed 6/510:45 pmONT - STT
1 stop13h 15mAmerican Airlines
Wed 6/123:40 pmSTT - ONT
1 stop10h 19mAmerican Airlines
Deal found 5/27$953
Fri 6/212:44 pmONT - STT
2 stops18h 06mAmerican Airlines
Sat 6/295:30 pmSTT - ONT
1 stop19h 33mAmerican Airlines
Deal found 5/27$1,020
Fri 6/2811:59 pmONT - STT
2 stops13h 23mAmerican Airlines
Thu 7/45:18 pmSTT - ONT
2 stops19h 37mAmerican Airlines
Deal found 5/27$1,040

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 2,696,634 searches. Data last updated May 28, 2024.
The lowest fares we've come across on flights traveling from Ontario to Saint Thomas Island in May and June 2024. If these deals don't appeal to you, be sure to come back soon for more options.
Mon 7/810:00 pmONT - STT
1 stop12h 48mDelta
Wed 7/241:21 pmSTT - ONT
1 stop12h 36mDelta
Deal found 5/27$437
Mon 7/2210:00 pmONT - STT
1 stop13h 54mDelta
Sat 9/282:24 pmSTT - ONT
1 stop11h 04mDelta
Deal found 5/27$455
Thu 7/2510:00 pmONT - STT
1 stop13h 54mDelta
Thu 9/262:24 pmSTT - ONT
1 stop11h 04mDelta
Deal found 5/27$472
Thu 7/2510:00 pmONT - STT
1 stop12h 48mDelta
Sun 9/292:24 pmSTT - ONT
1 stop11h 04mDelta
Deal found 5/27$495
Tue 11/265:00 pmONT - STT
2 stops17h 14mDelta
Thu 12/53:24 pmSTT - ONT
1 stop11h 04mDelta
Deal found 5/27$536
Tue 11/265:00 pmONT - STT
2 stops17h 14mDelta
Wed 12/43:24 pmSTT - ONT
1 stop11h 04mDelta
Deal found 5/27$553
Mon 8/1910:30 pmONT - STT
1 stop11h 27mAmerican Airlines
Mon 8/263:32 pmSTT - ONT
2 stops23h 21mAmerican Airlines
Deal found 5/27$573
Wed 8/1412:40 pmONT - STT
2 stops21h 14mAmerican Airlines
Thu 8/225:25 pmSTT - ONT
2 stops29h 58mAmerican Airlines
Deal found 5/28$574
Mon 12/23:01 pmONT - STT
2 stops18h 54mAmerican Airlines
Tue 12/103:54 pmSTT - ONT
2 stops20h 47mAmerican Airlines
Deal found 5/27$593

Ontario to Saint Thomas Island flights leaving soon

Find last-minute flight options from Ontario to Saint Thomas Island for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 2,696,634 searches. Data last updated May 28, 2024.
Check out these flights departing soon from Ontario to Saint Thomas Island. Users should double check the flight they book to ensure it matches the day, time, and destination they're looking for.
Wed 6/511:59 pmONT - STT
2 stops13h 23mAmerican Airlines
Wed 6/123:40 pmSTT - ONT
1 stop10h 19mAmerican Airlines
Deal found 5/27$828
Wed 6/511:59 pmONT - STT
2 stops13h 23mAmerican Airlines
Wed 6/122:20 pmSTT - ONT
2 stops12h 39mAmerican Airlines
Deal found 5/27$894
Wed 6/510:45 pmONT - STT
1 stop13h 15mAmerican Airlines
Wed 6/123:40 pmSTT - ONT
1 stop10h 19mAmerican Airlines
Deal found 5/27$953

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 2,696,634 searches. Data last updated May 28, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$437 - $683

Route

Depart

Return

Price

OntarioSaint Thomas Island Cyril E King

ONT - STT

ONTSTT

Ontario

Mon 7/8

1 stop12h 48m

Saint Thomas Island Cyril E King

Wed 7/24

1 stop12h 36m

$437

OntarioSaint Thomas Island Cyril E King

ONT - STT

ONTSTT

Ontario

Mon 7/22

1 stop13h 54m

Saint Thomas Island Cyril E King

Sat 9/28

1 stop11h 04m

$455

OntarioSaint Thomas Island Cyril E King

ONT - STT

ONTSTT

Ontario

Thu 7/25

1 stop13h 54m

Saint Thomas Island Cyril E King

Thu 9/26

1 stop11h 04m

$472

OntarioSaint Thomas Island Cyril E King

ONT - STT

ONTSTT

Ontario

Thu 7/25

1 stop12h 48m

Saint Thomas Island Cyril E King

Sun 9/29

1 stop11h 04m

$495

OntarioSaint Thomas Island Cyril E King

ONT - STT

ONTSTT

Ontario

Mon 8/19

1 stop11h 27m

Saint Thomas Island Cyril E King

Mon 8/26

2 stops23h 21m

$573

OntarioSaint Thomas Island Cyril E King

ONT - STT

ONTSTT

Ontario

Wed 8/14

2 stops21h 14m

Saint Thomas Island Cyril E King

Thu 8/22

2 stops29h 58m

$574

OntarioSaint Thomas Island Cyril E King

ONT - STT

ONTSTT

Ontario

Fri 9/20

2 stops19h 07m

Saint Thomas Island Cyril E King

Fri 9/27

2 stops21h 57m

$614

OntarioSaint Thomas Island Cyril E King

ONT - STT

ONTSTT

Ontario

Thu 7/18

2 stops22h 32m

Saint Thomas Island Cyril E King

Wed 7/24

1 stop14h 25m

$662

OntarioSaint Thomas Island Cyril E King

ONT - STT

ONTSTT

Ontario

Thu 8/29

2 stops22h 21m

Saint Thomas Island Cyril E King

Sun 9/1

1 stop9h 46m

$683

Flights are sorted by cheapest first

Deals found on 5/27

When is the cheapest time 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 May 26, 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 Thursday evenings when fares are most often at their lowest. Friday 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 May 28, 2024.
Get a feel of what it's like to fly with Delta and American Airlines 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.
Delta
8.0
Very good
10,476 reviews
Check prices

Crew

8.6

Entertainment

8.0

Comfort

7.9

Overall

8.0

Boarding

8.2

Food

7.4

Reviews

1 / 10

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

Delta
8.0
Very good
10,476 reviews
Delta
8.0
Very good
10,476 reviews
Check prices

Crew

8.6

Entertainment

8.0

Comfort

7.9

Overall

8.0

Boarding

8.2

Food

7.4

Reviews

1 / 10

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

American Airlines
7.3
Good
14,316 reviews
Delta
8.0
Very good
10,476 reviews
Check prices

Crew

8.6

Entertainment

8.0

Comfort

7.9

Overall

8.0

Boarding

8.2

Food

7.4

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 $500 on Cheapflights?

    Yes, there are multiple flights from Ontario to Saint Thomas Island for under $500. The cheapest flight booked recently is on Delta for just $437, but on average you can expect to pay $715.

  • Are there last-minute flights available from Ontario to Saint Thomas Island for under $900?

    There are currently 3+ open flights from Ontario to Saint Thomas Island within the next 7 days for less than $900.

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

    Currently priced at $437, Delta will fly you from Ontario to Saint Thomas Island and back. In addition to Delta, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on American Airlines for as low as $573. Users have found that Delta is 49% 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 5/28.

  • When is the best time to book a flight from Ontario to Saint Thomas Island?

    Currently, January is the cheapest month in which you can book a flight from Ontario to Saint Thomas Island (average of $459). Flying from Ontario to Saint Thomas Island in June is currently the most expensive (average of $627). 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

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Alternative routes for Ontario to Saint Thomas Island
See prices for flight routes from nearby airports that may be better suited for you.

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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 2,696,634 searches. Data last updated May 28, 2024.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$485Average$1,025FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
American AirlinesCheapest$506Average$943FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
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Search flights from Ontario to Saint Thomas Island by cabin class

Find flights from Ontario to Saint Thomas Island, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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Prem Econ Class
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Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Ontario to Saint Thomas Island?

When you search for this flight from Ontario to Saint Thomas Island, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Ontario to Saint Thomas Island?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Ontario to Saint Thomas Island.

Can Cheapflights find flights from Ontario to Saint Thomas Island with no change fees?

Need flexible booking options for your flight to Saint Thomas Island from Ontario? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Ontario to Saint Thomas Island become cheaper?

Of course! You can now track prices for flights from Ontario to Saint Thomas Island and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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