ONT - STT

$193 Find Cheap Flights from Ontario to Saint Thomas Island

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Ontario to Saint Thomas Island departing on 4/24. 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.
1 adult
1 adult, Economy, 0 bags

KAYAK searches hundreds of travel sites at once for deals on flights to Saint Thomas Island

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Ontario to Saint Thomas Island, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Ontario to Saint Thomas Island, as well as popular online travel agencies
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41,299,237 searches in the past 7 days on KAYAK

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Everything you should know

Cheapest round-trip
$580
Southwest
Mon 4/27Tue 5/5
ONT - STT • 2 stops
Cheapest one-way
$193
Multiple Airlines
Fri 4/24
ONT - STT • 2 stops
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KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to Saint Thomas Island!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from Ontario to Saint Thomas Island (ONT-STT)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Ontario to Saint Thomas Island that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Ontario to Saint Thomas Island

Mon, Apr 27 - Tue, May 5
Southwest Logo
6:00 pm - 1:20 pm
ONT
-
STT
16h 20m
2 stops
Southwest Logo
2:10 pm - 10:25 pm
STT
-
ONT
11h 15m
2 stops
$580Southwest
Tue, Mar 24 - Mon, Mar 30
American Airlines Logo
10:36 pm - 11:06 am
ONT
-
STT
9h 30m
1 stop
American Airlines Logo
2:43 pm - 10:30 pm
STT
-
ONT
10h 47m
1 stop
$616American Airlines
Mon, Apr 27 - Sun, May 3
American Airlines Logo
11:29 pm - 2:50 pm
ONT
-
STT
12h 21m
1 stop
American Airlines Logo
11:27 am - 9:59 pm
STT
-
ONT
13h 32m
2 stops
$625American Airlines
Mon, Jul 27 - Fri, Jul 31
Southwest Logo
6:30 pm - 1:45 pm
ONT
-
STT
16h 15m
2 stops
Southwest Logo
2:45 pm - 9:10 am
STT
-
ONT
21h 25m
2 stops
$628Southwest
Thu, Mar 19 - Sun, Mar 22
American Airlines Logo
11:58 pm - 4:02 pm
ONT
-
STT
13h 04m
1 stop
American Airlines Logo
5:25 pm - 8:51 am
STT
-
ONT
18h 26m
2 stops
$648American Airlines
Thu, Mar 19 - Sun, Mar 22
American Airlines Logo
10:36 pm - 11:06 am
ONT
-
STT
9h 30m
1 stop
American Airlines Logo
5:25 pm - 8:51 am
STT
-
ONT
18h 26m
2 stops
$656American Airlines
Sun, Mar 1 - Sun, Mar 8
American Airlines Logo
7:05 pm - 3:47 pm
ONT
-
STT
16h 42m
2 stops
American Airlines Logo
2:43 pm - 11:59 pm
STT
-
ONT
12h 16m
1 stop
$678American Airlines
Mon, Jun 8 - Fri, Jun 12
Southwest Logo
9:40 pm - 1:45 pm
ONT
-
STT
13h 05m
2 stops
Southwest Logo
2:45 pm - 12:05 am
STT
-
ONT
12h 20m
2 stops
$696Southwest
Wed, Mar 11 - Wed, Mar 18
United Airlines Logo
11:59 pm - 3:18 pm
ONT
-
STT
12h 19m
1 stop
United Airlines Logo
12:02 pm - 10:18 pm
STT
-
ONT
13h 16m
2 stops
$716United Airlines
Sat, Apr 25 - Sun, May 3
American Airlines Logo
12:19 pm - 11:35 am
ONT
-
STT
20h 16m
2 stops
American Airlines Logo
2:05 pm - 11:34 am
STT
-
ONT
24h 29m
2 stops
$727American Airlines
Booking Insights

KAYAK's insights & trends for Ontario to Saint Thomas Island flights

Get data-powered insights and trends into flights from Ontario to Saint Thomas Island to help you find the cheapest flights, the best time to fly and much more.

Which airlines provide the cheapest flights from Ontario to Saint Thomas Island?

The cheapest round-trip price for the route for each airline clicked by KAYAK users in the last 72 hours.

In the past 3 days, the cheapest round-trip tickets from Ontario to Saint Thomas Island were found on Southwest ($580) and American Airlines ($616).

Find deals

Good to know

Cheapest flight$193
Flight from Ontario to Saint Thomas Island

When to book flights from Ontario to Saint Thomas Island

Are your dates flexible? Find out the best times to travel from Ontario to Saint Thomas Island based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from Ontario to Saint Thomas Island

  • What is the cheapest flight from Ontario to Saint Thomas Island?

    In the last 3 days, the lowest price for a flight from Ontario to Saint Thomas Island was $193 for a one-way ticket and $580 for a round-trip.

  • Do I need a passport to fly between Ontario and Saint Thomas Island?

    A passport is required to fly from Ontario to Saint Thomas Island.

  • Which aircraft models fly most regularly from Ontario to Saint Thomas Island?

    We unfortunately don’t have that data for this specific route.

  • How does KAYAK find such low prices on flights from Ontario to Saint Thomas Island?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Ontario to Saint Thomas Island.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Ontario to Saint Thomas Island?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Saint Thomas Island from Ontario is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Ontario to Saint Thomas Island?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Saint Thomas Island with an airline and back to Ontario with another airline. Booking your flights between Ontario and STT can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Ontario to Saint Thomas Island?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Saint Thomas Island from Ontario up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight from Ontario to Saint Thomas Island

Information on your arrival and departure airports

Ontario (ONT)
Saint Thomas Island (STT)