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Cheap flights from Ontario to Saint Thomas Island from $317

1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Ontario to Saint Thomas Island

Cheap round-trip flights

Enter your travel dates to find the best prices.
American Airlines Logo
9:41 am - 12:58 pmONT  Ontario-STT Saint Thomas Island Cyril E King
24h 17m2 stops Phoenix Sky Harbor Intl Miami
American Airlines Logo
1:07 pm - 9:10 amSTT  Saint Thomas Island Cyril E King-ONT Ontario
23h 03m2 stops Charlotte Douglas Phoenix Sky Harbor Intl
$548American Airlines
Sun, Oct 18 - Tue, Oct 27
American Airlines Logo
6:00 am - 12:58 pmONT  Ontario-STT Saint Thomas Island Cyril E King
27h 58m2 stops Dallas/Fort Worth Miami
American Airlines Logo
1:07 pm - 7:54 pmSTT  Saint Thomas Island Cyril E King-ONT Ontario
9h 47m1 stop Charlotte Douglas
$548American Airlines
Sat, Oct 17 - Tue, Oct 27
American Airlines Logo
1:05 pm - 12:58 pmONT  Ontario-STT Saint Thomas Island Cyril E King
20h 53m2 stops Phoenix Sky Harbor Intl Miami
American Airlines Logo
1:07 pm - 9:10 amSTT  Saint Thomas Island Cyril E King-ONT Ontario
23h 03m2 stops Charlotte Douglas Phoenix Sky Harbor Intl
$548American Airlines
Sat, Oct 17 - Tue, Oct 27
American Airlines Logo
9:41 am - 12:58 pmONT  Ontario-STT Saint Thomas Island Cyril E King
24h 17m2 stops Phoenix Sky Harbor Intl Miami
American Airlines Logo
1:07 pm - 7:54 pmSTT  Saint Thomas Island Cyril E King-ONT Ontario
9h 47m1 stop Charlotte Douglas
$548American Airlines
Sun, Oct 18 - Tue, Oct 27
American Airlines Logo
9:41 am - 2:55 pmONT  Ontario-STT Saint Thomas Island Cyril E King
26h 14m2 stops Phoenix Sky Harbor Intl Miami
American Airlines Logo
1:07 pm - 9:10 amSTT  Saint Thomas Island Cyril E King-ONT Ontario
23h 03m2 stops Charlotte Douglas Phoenix Sky Harbor Intl
$553American Airlines
Wed, Oct 14 - Tue, Oct 27
American Airlines Logo
9:41 am - 2:55 pmONT  Ontario-STT Saint Thomas Island Cyril E King
26h 14m2 stops Phoenix Sky Harbor Intl Miami
American Airlines Logo
1:07 pm - 7:54 pmSTT  Saint Thomas Island Cyril E King-ONT Ontario
9h 47m1 stop Charlotte Douglas
$553American Airlines
Wed, Oct 14 - Tue, Oct 27
Delta Logo
10:00 pm - 1:42 pmONT  Ontario-STT Saint Thomas Island Cyril E King
12h 42m1 stop Atlanta Hartsfield-Jackson
Delta Logo
2:47 pm - 9:54 pmSTT  Saint Thomas Island Cyril E King-ONT Ontario
10h 07m1 stop Atlanta Hartsfield-Jackson
$568Delta
Sun, Oct 4 - Thu, Oct 22
American Airlines Logo
1:05 pm - 12:27 pmONT  Ontario-STT Saint Thomas Island Cyril E King
20h 22m2 stops Phoenix Sky Harbor Intl Charlotte Douglas
American Airlines Logo
1:07 pm - 9:10 amSTT  Saint Thomas Island Cyril E King-ONT Ontario
23h 03m2 stops Charlotte Douglas Phoenix Sky Harbor Intl
$570American Airlines
Mon, Oct 19 - Tue, Oct 27
American Airlines Logo
1:05 pm - 12:27 pmONT  Ontario-STT Saint Thomas Island Cyril E King
20h 22m2 stops Phoenix Sky Harbor Intl Charlotte Douglas
American Airlines Logo
1:07 pm - 7:54 pmSTT  Saint Thomas Island Cyril E King-ONT Ontario
9h 47m1 stop Charlotte Douglas
$570American Airlines
Mon, Oct 19 - Tue, Oct 27
Delta Logo
10:00 pm - 1:42 pmONT  Ontario-STT Saint Thomas Island Cyril E King
12h 42m1 stop Atlanta Hartsfield-Jackson
Delta Logo
2:47 pm - 9:54 pmSTT  Saint Thomas Island Cyril E King-ONT Ontario
10h 07m1 stop Atlanta Hartsfield-Jackson
$765Delta
Sun, Oct 4 - Fri, Oct 23

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American Airlines flights from Ontario to Saint Thomas Island

Our best American Airlines deals on Ontario to Saint Thomas Island flight tickets
American Airlines
Dec 1
ONT7:45 pmOntario
13h 28m
2 stops
STT1:13 pmSaint Thomas Island Cyril E King
Dec 8
STT1:07 pmSaint Thomas Island Cyril E King
23h 32m
2 stops
ONT8:39 amOntario
$594
American Airlines
Oct 5
ONT7:34 pmOntario
16h 21m
2 stops
STT2:55 pmSaint Thomas Island Cyril E King
Oct 10
STT1:48 pmSaint Thomas Island Cyril E King
22h 47m
2 stops
ONT9:35 amOntario
$642
American Airlines
Oct 17
ONT6:00 amOntario
27h 58m
2 stops
STT12:58 pmSaint Thomas Island Cyril E King
Oct 27
STT1:07 pmSaint Thomas Island Cyril E King
9h 47m
1 stop
ONT7:54 pmOntario
$668

United Airlines flights from Ontario to Saint Thomas Island

Our best United Airlines deals on Ontario to Saint Thomas Island flight tickets
United Airlines
Jan 21
ONT6:53 pmOntario
17h 27m
2 stops
STT4:20 pmSaint Thomas Island Cyril E King
Jan 25
STT3:00 pmSaint Thomas Island Cyril E King
30h 47m
2 stops
ONT5:47 pmOntario
$848
United Airlines
Oct 16
ONT6:00 amOntario
30h 43m
1 stop
STT3:43 pmSaint Thomas Island Cyril E King
Oct 25
STT2:35 pmSaint Thomas Island Cyril E King
10h 06m
1 stop
ONT9:41 pmOntario
$857

momondo Fare Finder

 
Use the filters below to find and compare flights from Ontario to Saint Thomas Island that are best for you.

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Cheapest round-trip

OntarioSaint Thomas Island

ONT Ontario - STT Saint Thomas Island Cyril E King

ONTSTT

Ontario

Sun 10/18

9:41 am-12:58 pm

2 stops24h 17m

Saint Thomas Island Cyril E King

Tue 10/27

1:07 pm-9:10 am

2 stops23h 03m

$548

OntarioSaint Thomas Island

ONT Ontario - STT Saint Thomas Island Cyril E King

ONTSTT

Ontario

Sat 10/17

6:00 am-12:58 pm

2 stops27h 58m

Saint Thomas Island Cyril E King

Tue 10/27

1:07 pm-7:54 pm

1 stop9h 47m

$548

OntarioSaint Thomas Island

ONT Ontario - STT Saint Thomas Island Cyril E King

ONTSTT

Ontario

Sat 10/17

1:05 pm-12:58 pm

2 stops20h 53m

Saint Thomas Island Cyril E King

Tue 10/27

1:07 pm-9:10 am

2 stops23h 03m

$548

OntarioSaint Thomas Island

ONT Ontario - STT Saint Thomas Island Cyril E King

ONTSTT

Ontario

Sun 10/18

9:41 am-12:58 pm

2 stops24h 17m

Saint Thomas Island Cyril E King

Tue 10/27

1:07 pm-7:54 pm

1 stop9h 47m

$548

OntarioSaint Thomas Island

ONT Ontario - STT Saint Thomas Island Cyril E King

ONTSTT

Ontario

Wed 10/14

9:41 am-2:55 pm

2 stops26h 14m

Saint Thomas Island Cyril E King

Tue 10/27

1:07 pm-9:10 am

2 stops23h 03m

$553

OntarioSaint Thomas Island

ONT Ontario - STT Saint Thomas Island Cyril E King

ONTSTT

Ontario

Wed 10/14

9:41 am-2:55 pm

2 stops26h 14m

Saint Thomas Island Cyril E King

Tue 10/27

1:07 pm-7:54 pm

1 stop9h 47m

$553
Quickest round-trip

OntarioSaint Thomas Island

ONT Ontario - STT Saint Thomas Island Cyril E King

ONTSTT

Ontario

Sun 10/4

10:00 pm-1:42 pm

1 stop12h 42m

Saint Thomas Island Cyril E King

Thu 10/22

2:47 pm-9:54 pm

1 stop10h 07m

$568

OntarioSaint Thomas Island

ONT Ontario - STT Saint Thomas Island Cyril E King

ONTSTT

Ontario

Mon 10/19

1:05 pm-12:27 pm

2 stops20h 22m

Saint Thomas Island Cyril E King

Tue 10/27

1:07 pm-9:10 am

2 stops23h 03m

$570

OntarioSaint Thomas Island

ONT Ontario - STT Saint Thomas Island Cyril E King

ONTSTT

Ontario

Mon 10/19

1:05 pm-12:27 pm

2 stops20h 22m

Saint Thomas Island Cyril E King

Tue 10/27

1:07 pm-7:54 pm

1 stop9h 47m

$570

OntarioSaint Thomas Island

ONT Ontario - STT Saint Thomas Island Cyril E King

ONTSTT

Ontario

Sun 10/4

10:00 pm-1:42 pm

1 stop12h 42m

Saint Thomas Island Cyril E King

Fri 10/23

2:47 pm-9:54 pm

1 stop10h 07m

$765

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 19 resultsSorted by cheapest first
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See travel insights to Saint Thomas Island from

How to get the cheapest flight ticket from Ontario to Saint Thomas Island

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest airline that flies from Ontario to Saint Thomas Island Cyril E King?

United Airlines is the most popular carrier operating from Ontario to Saint Thomas Island Cyril E King

What airlines fly to Saint Thomas Island?

American Airlines, United Airlines and Delta are the top three most popular airlines that fly to Saint Thomas Island from Ontario according to our data. American Airlines is the first choice among our users, with 70% of people opting to fly with this airline when traveling to Saint Thomas Island. Keep in mind that there are 4 different airlines that fly to Saint Thomas Island on a routine basis, so you have a few additional options to choose from.

When to book flights from Ontario to Saint Thomas Island

Are you open to changing your travel dates? Check out the ideal times to fly from Ontario to Saint Thomas Island according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Ontario to Saint Thomas Island (ONT to STT) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ontario to Saint Thomas Island

Best Price Found

$317

Fastest flight time

10h 39m

Direct flights

None
The best one-way flight to Saint Thomas Island from Ontario in the past 72 hours is $317. The best round-trip flight deal from Ontario to Saint Thomas Island found on momondo in the last 72 hours is $548.
The fastest flight from Ontario to Saint Thomas Island takes 10h 39m
There are no direct flights from Ontario to Saint Thomas Island. There are no popular flight routes from Ontario to Saint Thomas Island.
Search flight deals

Frequently asked questions about flying from Ontario to Saint Thomas Island

  • How far is Ontario to Saint Thomas Island Cyril E King by plane?

    Ontario and Saint Thomas Island Cyril E King are 3401.6 mi apart from one another. A reasonable flight in good conditions will take 10h 39m.

  • When did momondo last update prices for flights from Ontario Airport to Saint Thomas Island Cyril E King Airport?

    Prices for flights from Ontario Airport to Saint Thomas Island Cyril E King Airport are updated daily.

  • How many operators does momondo search for flights from Ontario Airport to Saint Thomas Island Cyril E King Airport?

  • How old do you have to be to fly from Ontario Airport to Saint Thomas Island Cyril E King Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Ontario Airport to Saint Thomas Island Cyril E King Airport.

  • What documentation or ID do you need to fly to Saint Thomas Island Cyril E King Airport?

    The necessary travel and health documents for your Saint Thomas Island Cyril E King Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular airline from Ontario to Saint Thomas Island?

Best airlines flying from Ontario to Saint Thomas Island

Compare and see reviews for airlines that fly from Ontario to Saint Thomas Island with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $616Free CancellationRating
7.1
12,051 reviews
Search American Airlines flights

Traveling to a place near Saint Thomas Island?

Book flights to Saint Thomas Island if you plan to visit one of these locations
St. John

Why use momondo?

Why should I use momondo to find a flight deal from Ontario to Saint Thomas Island?

It is quick and easy to find Ontario to Saint Thomas Island flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Saint Thomas Island that suits you.

Can I find flights from Ontario to Saint Thomas Island with flexible booking policies on momondo?

Yes. All flights to Saint Thomas Island from Ontario on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Ontario to Saint Thomas Island?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Saint Thomas Island from Ontario.

I’m not ready to book a flight from Ontario to Saint Thomas Island right now. Can momondo alert me if prices change?

Price alerts on flights to Saint Thomas Island from Ontario are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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