ONT - STT
$282 Find Cheap Flights from Ontario to Saint Thomas Island - Compare and Save
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 11/15. 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.
Everything you should know
Cheapest round-trip
$548
Typical prices: $726-$1,079
American Airlines
Sat 12/1Wed 12/5
ONT - STT • 2 stops
Cheapest one-way
$282
Typical prices: $306-$498
American Airlines
Thu 11/15
ONT - STT • 1 stop
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
Tue, Dec 1 - Sat, Dec 5
7:45 pm - 1:22 pmONT Ontario-STT Saint Thomas Island Cyril E King
13h 37m2 stops Phoenix Sky Harbor Intl Charlotte Douglas
3:31 pm - 10:58 pmSTT Saint Thomas Island Cyril E King-ONT Ontario
11h 27m1 stop Dallas/Fort Worth
$548American Airlines
Tue, Dec 1 - Sat, Dec 5
12:45 pm - 12:17 pmONT Ontario-STT Saint Thomas Island Cyril E King
19h 32m2 stops Dallas/Fort Worth Miami
3:31 pm - 8:45 amSTT Saint Thomas Island Cyril E King-ONT Ontario
21h 14m2 stops Dallas/Fort Worth Phoenix Sky Harbor Intl
$548American Airlines
Wed, Nov 18 - Sun, Nov 22
3:50 pm - 2:30 pmONT Ontario-STT Saint Thomas Island Cyril E King
18h 40m2 stops Phoenix Sky Harbor Intl Orlando
2:40 pm - 10:20 pmSTT Saint Thomas Island Cyril E King-ONT Ontario
11h 40m2 stops Orlando Dallas Love Field
$580Southwest
Tue, Dec 1 - Sat, Dec 5
10:30 pm - 1:22 pmONT Ontario-STT Saint Thomas Island Cyril E King
10h 52m1 stop Charlotte Douglas
2:36 pm - 10:07 pmSTT Saint Thomas Island Cyril E King-ONT Ontario
11h 31m1 stop Charlotte Douglas
$650American Airlines
Tue, Mar 16 - Sat, Mar 20
5:02 pm - 12:42 pmONT Ontario-STT Saint Thomas Island Cyril E King
16h 40m2 stops Phoenix Sky Harbor Intl Miami
1:45 pm - 9:41 amSTT Saint Thomas Island Cyril E King-ONT Ontario
22h 56m2 stops Miami Dallas/Fort Worth
$684American Airlines
Tue, Mar 16 - Sat, Mar 20
10:40 pm - 11:06 amONT Ontario-STT Saint Thomas Island Cyril E King
9h 26m1 stop Charlotte Douglas
1:45 pm - 9:41 amSTT Saint Thomas Island Cyril E King-ONT Ontario
22h 56m2 stops Miami Dallas/Fort Worth
$684American Airlines
Fri, Nov 6 - Sat, Nov 14
1:23 pm - 1:46 pmONT Ontario-STT Saint Thomas Island Cyril E King
20h 23m2 stops Phoenix Sky Harbor Intl Charlotte Douglas
5:25 pm - 9:40 amSTT Saint Thomas Island Cyril E King-ONT Ontario
20h 15m2 stops Miami Dallas/Fort Worth
$690American Airlines
Sat, Mar 27 - Sun, Apr 4
7:59 pm - 12:42 pmONT Ontario-STT Saint Thomas Island Cyril E King
13h 43m2 stops Phoenix Sky Harbor Intl Miami
2:41 pm - 8:49 amSTT Saint Thomas Island Cyril E King-ONT Ontario
21h 08m2 stops Dallas/Fort Worth Phoenix Sky Harbor Intl
$705American Airlines
Tue, Mar 16 - Sat, Mar 20
2:22 pm - 11:22 amONT Ontario-STT Saint Thomas Island Cyril E King
18h 00m2 stops Dallas/Fort Worth Miami
3:27 pm - 9:41 amSTT Saint Thomas Island Cyril E King-ONT Ontario
21h 14m2 stops Miami Dallas/Fort Worth
$736American Airlines
Thu, Dec 17 - Thu, Dec 24
1:38 pm - 4:20 pmONT Ontario-STT Saint Thomas Island Cyril E King
22h 42m2 stops Denver Intl Houston George Bush Intcntl
3:00 pm - 10:34 pmSTT Saint Thomas Island Cyril E King-ONT Ontario
11h 34m1 stop Chicago O'Hare Intl
$844United Airlines
Recent one-way flight deals from Ontario to Saint Thomas Island
Sun, Nov 15
10:30 pm - 3:38 pmONT Ontario-STT Saint Thomas Island Cyril E King
13h 08m1 stop Charlotte Douglas
$282American Airlines
Sun, Nov 15
7:49 pm - 4:03 pmONT Ontario-STT Saint Thomas Island Cyril E King
16h 14m2 stops Phoenix Sky Harbor Intl Miami
$282American Airlines
Thu, Mar 4
6:53 pm - 2:31 pmONT Ontario-STT Saint Thomas Island Cyril E King
15h 38m2 stops San Francisco Chicago O'Hare Intl
$332United Airlines
Thu, Dec 17
6:50 pm - 1:50 pmONT Ontario-STT Saint Thomas Island Cyril E King
15h 00m2 stops Las Vegas Harry Reid Intl Baltimore/Washington
$340Southwest
Thu, Jan 7
3:59 pm - 12:05 pmONT Ontario-STT Saint Thomas Island Cyril E King
16h 06m2 stops San Francisco Newark
$369United Airlines
Sun, Nov 15
8:35 pm - 4:15 pmONT Ontario-STT Saint Thomas Island Cyril E King
39h 40m3 stops Las Vegas Harry Reid Intl Orlando San Juan Luis Munoz Marin Intl
$432Multiple Airlines
Thu, Dec 3
6:40 pm - 1:56 pmONT Ontario-STT Saint Thomas Island Cyril E King
15h 16m2 stops San Francisco Washington, D.C. Dulles Intl
$469United Airlines
Sat, Oct 17
9:41 am - 12:41 pmONT Ontario-STT Saint Thomas Island Cyril E King
24h 00m2 stops Phoenix Sky Harbor Intl Charlotte Douglas
$475American Airlines
Thu, Dec 17
11:52 pm - 5:50 pmONT Ontario-STT Saint Thomas Island Cyril E King
13h 58m2 stops Chicago O'Hare Intl Washington, D.C. Dulles Intl
$516United Airlines
Wed, Dec 2
6:40 pm - 1:56 pmONT Ontario-STT Saint Thomas Island Cyril E King
15h 16m2 stops San Francisco Washington, D.C. Dulles Intl
$526United Airlines
Booking Insights
Price, demand and travel trends for Ontario to Saint Thomas Island flights
Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.
Prices
Airlines
Layovers
How much is a round-trip flight from Ontario to Saint Thomas Island?
This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from Ontario to Saint Thomas Island departing in december.
Round-trip flights from Ontario to Saint Thomas Island typically range from $726 to $1,079. The lowest price found in the past 5 days was $548, on American Airlines.
What’s the most popular layover airport when flying from Ontario to Saint Thomas Island?
KAYAK data for 1-stop round-trips over the past 3 months. Only counts itineraries with the same layover on both legs.Charlotte Douglas (CLT) is the most popular layover for the Ontario to Saint Thomas Island route. 75% of KAYAK users who booked 1-stop round-trips over the past 3 months connected via CLT.
What is the cheapest layover airport when flying from Ontario to Saint Thomas Island?
Flights via Charlotte Douglas (CLT) offer the most affordable fares, with an average round-trip price of $772. Based on KAYAK data over the past 3 months.
Key details for Ontario to Saint Thomas Island flights
Low season | August |
|---|---|
High season | May |
Cheapest flight | $282 |
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.
Your Ontario to Saint Thomas Island flight questions, answered
Find helpful answers about this route, including flight times, airports, airlines and booking tips.
Your guide to booking Ontario to Saint Thomas Island flights
Get tips on when to book, when to fly and what to know before your trip.More options for your flight from Ontario to Saint Thomas Island
Complete your trip to Saint Thomas Island with a hotel stay or car rental
Information on your arrival and departure airports
Cabin class types available on flights from Ontario to Saint Thomas Island
Cabin classes available on flights from Ontario to Saint Thomas Island. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.
Find direct flights to and from Ontario and Saint Thomas Island
Flights from domestic origins to Saint Thomas Island
More flights to Saint Thomas Island. Prices are the lowest found on KAYAK in the last 7 days. Price and availability is not guaranteed.
Flights to other popular destinations
The most popular flights on KAYAK according to clicks in the last 2 weeks. Prices are the lowest found on KAYAK over the last 7 days. Price and availability is not guaranteed.