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Cheap flights from Ontario (ONT) to Saint Thomas Island (STT) from $285

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 5/14. 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
Mai 4 — Mai 111
From?
To?
Sa 5/4
Sa 5/11
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 April 29, 2024.

Popular in

May

Cheapest in

February

Round-trip from

$459

One-way from

$400
High demand for flights, 50% potential price rise
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Best time to find cheap flights, 50% potential price drop
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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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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 45% by booking at least 44 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 $537.

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 March. Prices are generally better when you fly from Ontario to Saint Thomas Island in January, with the cheapest ticket starting at $231.

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 United Airlines flights from Ontario to Saint Thomas Island

Explore cheap flight options specifically provided by United 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 2,944,896 searches. Data last updated April 29, 2024.
Find some of the cheapest United Airlines flights traveling from Ontario to Saint Thomas Island. Make sure to check back often as deals are often changing.
Fr 8/96:00 amONT - STT
1 stop30h 34mUnited Airlines
Sa 8/2412:50 pmSTT - ONT
1 stop11h 41mUnited Airlines
Deal found 4/28$741
Mi 7/176:00 amONT - STT
1 stop30h 34mUnited Airlines
Mi 7/311:15 pmSTT - ONT
1 stop10h 56mUnited Airlines
Deal found 4/28$907
Di 7/166:25 pmONT - STT
2 stops18h 09mUnited Airlines
Mi 7/311:15 pmSTT - ONT
1 stop10h 56mUnited Airlines
Deal found 4/28$925
Di 7/166:00 amONT - STT
1 stop30h 34mUnited Airlines
Mi 7/311:15 pmSTT - ONT
1 stop10h 56mUnited Airlines
Deal found 4/28$947
Sa 7/276:25 pmONT - STT
2 stops18h 09mUnited Airlines
Sa 8/34:00 pmSTT - ONT
2 stops28h 28mUnited Airlines
Deal found 4/28$1,005
So 6/236:25 pmONT - STT
2 stops18h 09mUnited Airlines
Mo 7/11:15 pmSTT - ONT
3 stops36h 30mUnited Airlines
Deal found 4/27$1,134
Fr 7/56:00 amONT - STT
1 stop30h 34mUnited Airlines
Sa 7/134:00 pmSTT - ONT
1 stop32h 11mUnited Airlines
Deal found 4/27$1,151

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 2,944,896 searches. Data last updated April 29, 2024.
Take a gander at the lowest prices we've found on Delta flights from Ontario to Saint Thomas Island. Deals are refreshing constantly so come back soon for more options.
Fr 9/1310:59 pmONT - STT
1 stop12h 36mDelta
Mi 9/182:24 pmSTT - ONT
1 stop11h 04mDelta
Deal found 4/28$476
Mi 7/1710:00 pmONT - STT
1 stop13h 35mDelta
Do 8/11:40 pmSTT - ONT
1 stop11h 57mDelta
Deal found 4/28$501
Mi 9/1110:59 pmONT - STT
1 stop11h 15mDelta
Di 9/172:24 pmSTT - ONT
1 stop11h 04mDelta
Deal found 4/28$521
Do 7/2510:00 pmONT - STT
1 stop12h 14mDelta
Fr 8/21:40 pmSTT - ONT
1 stop11h 57mDelta
Deal found 4/28$602
Fr 10/1810:59 pmONT - STT
1 stop12h 36mDelta
Do 10/242:24 pmSTT - ONT
1 stop11h 04mDelta
Deal found 4/28$622
Mi 9/1110:59 pmONT - STT
1 stop11h 15mDelta
Mo 9/162:24 pmSTT - ONT
1 stop11h 04mDelta
Deal found 4/28$647
Fr 10/1810:59 pmONT - STT
1 stop12h 36mDelta
Fr 10/252:24 pmSTT - ONT
1 stop11h 04mDelta
Deal found 4/28$667
Di 10/1510:59 pmONT - STT
1 stop11h 15mDelta
Di 10/222:24 pmSTT - ONT
1 stop11h 04mDelta
Deal found 4/28$723
So 6/3010:00 pmONT - STT
1 stop12h 50mDelta
So 7/71:25 pmSTT - ONT
1 stop12h 35mDelta
Deal found 4/28$736

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

Find cheap flight options from Ontario to Saint Thomas Island specifically for the months of April and May 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,944,896 searches. Prices were last updated on April 29, 2024.
The lowest fares we've come across on flights traveling from Ontario to Saint Thomas Island in April and May 2024. If these deals don't appeal to you, be sure to come back soon for more options.
Mi 5/297:40 pmONT - STT
2 stops15h 10mAmerican Airlines
Mi 6/53:40 pmSTT - ONT
2 stops20h 07mAmerican Airlines
Deal found 4/28$549
Mi 5/2910:29 pmONT - STT
1 stop13h 26mAmerican Airlines
Mi 6/53:40 pmSTT - ONT
1 stop10h 19mAmerican Airlines
Deal found 4/28$703
Di 5/75:20 pmONT - STT
2 stops17h 10mDelta
Do 5/92:43 pmSTT - ONT
1 stop11h 04mDelta
Deal found 4/28$766
Di 5/2811:59 pmONT - STT
2 stops10h 51mAmerican Airlines
Di 6/412:56 pmSTT - ONT
2 stops12h 33mAmerican Airlines
Deal found 4/28$773
Di 5/711:59 pmONT - STT
2 stops13h 06mAmerican Airlines
Do 5/912:15 pmSTT - ONT
2 stops14h 41mAmerican Airlines
Deal found 4/27$934
Do 5/3010:29 pmONT - STT
1 stop11h 11mAmerican Airlines
Sa 6/85:30 pmSTT - ONT
1 stop9h 29mAmerican Airlines
Deal found 4/28$1,019
Do 5/3011:59 pmONT - STT
2 stops10h 51mAmerican Airlines
Sa 6/85:30 pmSTT - ONT
1 stop9h 29mAmerican Airlines
Deal found 4/28$1,021

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 2,944,896 searches. Data last updated April 29, 2024.
The lowest fares we've come across on flights traveling from Ontario to Saint Thomas Island in April and May 2024. If these deals don't appeal to you, be sure to come back soon for more options.
Fr 9/1310:59 pmONT - STT
1 stop12h 36mDelta
Mi 9/182:24 pmSTT - ONT
1 stop11h 04mDelta
Deal found 4/28$476
Mi 7/1710:00 pmONT - STT
1 stop13h 35mDelta
Do 8/11:40 pmSTT - ONT
1 stop11h 57mDelta
Deal found 4/28$501
Mi 9/1110:59 pmONT - STT
1 stop11h 15mDelta
Mi 9/182:24 pmSTT - ONT
1 stop11h 04mDelta
Deal found 4/28$521
Mi 5/297:40 pmONT - STT
2 stops15h 10mAmerican Airlines
Mi 6/53:40 pmSTT - ONT
2 stops20h 07mAmerican Airlines
Deal found 4/28$549
Di 10/1511:00 pmONT - STT
1 stop10h 52mAmerican Airlines
Di 10/222:57 pmSTT - ONT
2 stops21h 39mAmerican Airlines
Deal found 4/28$569
Mo 10/1411:59 pmONT - STT
2 stops11h 56mAmerican Airlines
Mo 10/214:27 pmSTT - ONT
2 stops20h 09mAmerican Airlines
Deal found 4/28$571
Do 8/12:47 pmONT - STT
2 stops22h 32mAmerican Airlines
Di 8/65:25 pmSTT - ONT
2 stops28h 23mAmerican Airlines
Deal found 4/28$576
Do 7/2510:00 pmONT - STT
1 stop12h 14mDelta
Fr 8/21:40 pmSTT - ONT
1 stop11h 57mDelta
Deal found 4/28$602
Mo 10/1411:00 pmONT - STT
1 stop10h 52mAmerican Airlines
Mo 10/214:27 pmSTT - ONT
2 stops20h 09mAmerican Airlines
Deal found 4/28$609

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 2,944,896 searches. Data last updated April 29, 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.
Di 5/75:20 pmONT - STT
2 stops17h 10mDelta
Do 5/92:43 pmSTT - ONT
1 stop11h 04mDelta
Deal found 4/28$766
Di 5/711:59 pmONT - STT
2 stops13h 06mAmerican Airlines
Do 5/912:15 pmSTT - ONT
2 stops14h 41mAmerican Airlines
Deal found 4/27$934

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 2,944,896 searches. Data last updated April 29, 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.
Di 5/1410:29 pmONT - STT
2 stops14h 36mAmerican Airlines
Deal found 4/28$285
So 5/122:50 pmONT - STT
2 stops20h 00mAmerican Airlines
Deal found 4/28$286
So 5/1210:29 pmONT - STT
1 stop11h 11mAmerican Airlines
Deal found 4/28$400
Do 5/307:40 pmONT - STT
2 stops17h 25mAmerican Airlines
Deal found 4/28$401
Fr 5/316:25 pmONT - STT
2 stops15h 37mUnited Airlines
Deal found 4/28$446
Do 5/3010:29 pmONT - STT
1 stop13h 26mAmerican Airlines
Deal found 4/29$464
Di 6/1111:59 pmONT - STT
2 stops13h 23mAmerican Airlines
Deal found 4/28$465
Di 6/1110:45 pmONT - STT
1 stop10h 50mAmerican Airlines
Deal found 4/28$557
Do 5/306:00 amONT - STT
1 stop30h 34mUnited Airlines
Deal found 4/28$594

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 2,944,896 searches. Data last updated April 29, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$476 - $1,429

Route

Depart

Return

Price

OntarioSaint Thomas Island Cyril E King

ONT - STT

ONTSTT

Ontario

Fr 9/13

1 stop12h 36m

Saint Thomas Island Cyril E King

Mi 9/18

1 stop11h 04m

$476

OntarioSaint Thomas Island Cyril E King

ONT - STT

ONTSTT

Ontario

Mi 7/17

1 stop13h 35m

Saint Thomas Island Cyril E King

Do 8/1

1 stop11h 57m

$501

OntarioSaint Thomas Island Cyril E King

ONT - STT

ONTSTT

Ontario

Mi 9/11

1 stop11h 15m

Saint Thomas Island Cyril E King

Di 9/17

1 stop11h 04m

$521

OntarioSaint Thomas Island Cyril E King

ONT - STT

ONTSTT

Ontario

Mi 5/29

2 stops15h 10m

Saint Thomas Island Cyril E King

Mi 6/5

2 stops20h 07m

$549

OntarioSaint Thomas Island Cyril E King

ONT - STT

ONTSTT

Ontario

Di 10/15

1 stop10h 52m

Saint Thomas Island Cyril E King

Di 10/22

2 stops21h 39m

$569

OntarioSaint Thomas Island Cyril E King

ONT - STT

ONTSTT

Ontario

Mo 10/14

2 stops11h 56m

Saint Thomas Island Cyril E King

Mo 10/21

2 stops20h 09m

$571

OntarioSaint Thomas Island Cyril E King

ONT - STT

ONTSTT

Ontario

Do 8/1

2 stops22h 32m

Saint Thomas Island Cyril E King

Di 8/6

2 stops28h 23m

$576

OntarioSaint Thomas Island Cyril E King

ONT - STT

ONTSTT

Ontario

Fr 8/9

1 stop30h 34m

Saint Thomas Island Cyril E King

Sa 8/24

1 stop11h 41m

$741

OntarioSaint Thomas Island Cyril E King

ONT - STT

ONTSTT

Ontario

Mi 7/17

2 stops23h 45m

Saint Thomas Island Cyril E King

Mi 7/31

2 stops11h 58m

$1,429

Flights are sorted by cheapest first

Deals found on 4/28

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 April 28, 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

Average price of flights to Saint Thomas Island by month

Plan your trip from Ontario to Saint Thomas Island by taking into account the cheapest months to travel. The average price of a one-way flight from Ontario to Saint Thomas Island is currently $433 while a round-trip flight costs $659. Price data was last updated on April 21, 2024.

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 $642). 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.

January

$459

February

$498

March

$577

April

$538

May

$508

June

$642

July

$625

August

$526

September

$483

October

$532

November

$596

December

$546

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 April 29, 2024.
Get a feel of what it's like to fly with United Airlines, 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
8.1
Very good
10,913 reviews
Check prices

Boarding

8.2

Food

7.4

Comfort

7.9

Crew

8.6

Entertainment

8.0

Overall

8.1

Reviews

1 / 10

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

Delta
8.1
Very good
10,913 reviews
Delta
8.1
Very good
10,913 reviews
Check prices

Boarding

8.2

Food

7.4

Comfort

7.9

Crew

8.6

Entertainment

8.0

Overall

8.1

Reviews

1 / 10

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

United Airlines
7.4
Good
11,202 reviews
Delta
8.1
Very good
10,913 reviews
Check prices

Boarding

8.2

Food

7.4

Comfort

7.9

Crew

8.6

Entertainment

8.0

Overall

8.1

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
14,834 reviews
Delta
8.1
Very good
10,913 reviews
Check prices

Boarding

8.2

Food

7.4

Comfort

7.9

Crew

8.6

Entertainment

8.0

Overall

8.1

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 $476, but on average you can expect to pay $620.

  • Are there last-minute flights available from Ontario to Saint Thomas Island for under $800?

    There are currently 2+ open flights from Ontario to Saint Thomas Island within the next 7 days for less than $800.

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

    Currently priced at $476, 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. Search Cheapflights for deals from American Airlines and United Airlines - these airlines can fly you to your destination from $549 and $741, respectively. Users have found that Delta is 56% 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 4/28.

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 2,944,896 searches. Data last updated April 29, 2024.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$488Average$924FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
DeltaCheapest$608Average$1,118FlexibilityNo cancel feeOn-timeN/A
Search Delta 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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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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