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U.S. Virgin Islands

$222+ Cheap flights from Ontario (ONT) to the U.S. Virgin Islands

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 4/14. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — STT
May 3 — May 101
Sun 5/3
Sun 5/10
1 adult, Economy
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Cheap flight deals from Ontario to U.S. Virgin Islands

Cheapest flights from Ontario to U.S. Virgin Islands
Explore the most affordable flight options available from Ontario to U.S. Virgin Islands. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 3, 2026.

This American Airlines deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/307:35 pm
ONT
-
STT
2 stops13h 00m
American Airlines
Thu 5/71:15 pm
STT
-
ONT
1 stop10h 52m
American Airlines
Deal found 3/31$624
This Delta deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/410:15 pm
ONT
-
STT
1 stop13h 33m
Delta
Fri 5/81:16 pm
STT
-
ONT
1 stop11h 32m
Delta
Deal found 3/31$626
This United Airlines deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/26:59 pm
ONT
-
STT
2 stops15h 09m
United Airlines
Wed 5/61:22 pm
STT
-
ONT
1 stop11h 36m
United Airlines
Deal found 3/31$658
This Southwest deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/298:45 pm
ONT
-
STT
2 stops14h 00m
Southwest
Sat 7/111:40 pm
STT
-
ONT
2 stops12h 10m
Southwest
Deal found 4/1$664
This Delta deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/210:15 pm
ONT
-
STT
1 stop12h 36m
Delta
Tue 5/123:01 pm
STT
-
ONT
1 stop9h 47m
Delta
Deal found 3/31$669
This American Airlines deal was found by Cheapflights users on 4/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/2910:00 pm
ONT
-
STT
1 stop10h 03m
American Airlines
Sat 7/113:42 pm
STT
-
ONT
1 stop11h 17m
American Airlines
Deal found 4/1$674
This Delta deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/310:15 pm
ONT
-
STT
1 stop12h 36m
Delta
Sat 5/93:01 pm
STT
-
ONT
1 stop9h 47m
Delta
Deal found 3/31$679
This American Airlines deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/2312:19 pm
ONT
-
STX
2 stops21h 56m
American Airlines
Sun 4/265:14 pm
STX
-
ONT
2 stops21h 20m
American Airlines
Deal found 3/31$680
This Delta deal was found by Cheapflights users on 3/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/55:05 pm
ONT
-
STT
2 stops17h 46m
Delta
Fri 5/83:01 pm
STT
-
ONT
1 stop9h 47m
Delta
Deal found 3/29$684
This American Airlines deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/44:52 pm
ONT
-
STT
2 stops20h 23m
American Airlines
Tue 5/121:15 pm
STT
-
ONT
1 stop10h 12m
American Airlines
Deal found 3/31$688
This United Airlines deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/51:40 pm
ONT
-
STT
2 stops19h 40m
United Airlines
Thu 5/71:22 pm
STT
-
ONT
1 stop11h 36m
United Airlines
Deal found 3/31$691
This American Airlines deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/610:26 pm
ONT
-
STT
1 stop9h 21m
American Airlines
Thu 5/72:05 pm
STT
-
ONT
2 stops12h 41m
American Airlines
Deal found 3/31$693

Find flight deals from Ontario to U.S. Virgin Islands

Keep the following information in mind while searching for Ontario to U.S. Virgin Islands flight deals. Data was last updated April 3, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$624
(American Airlines)

One-way from

$222
(Kiwi.com)

Popular in

December

Cheapest in

January

Average price

$559
Provider with most accurate pricing for Los Angeles-Saint Thomas Island Cyril E King flight deals.
Search Deals
Provider most trusted by Cheapflights users for Los Angeles-Saint Thomas Island Cyril E King flights.
Search Deals
From Ontario to U.S. Virgin Islands
Search Deals
One-way flight from Ontario to U.S. Virgin Islands
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($95 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($29 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to U.S. Virgin Islands 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 2,558,603 searches. Data last updated April 3, 2026.
Use the filters below to find and compare flights from Ontario to the U.S. Virgin Islands that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

OntarioSaint Thomas Island

ONT - STT

ONTSTT

Ontario

Sat 5/9

10:00 pm-1:51 pm

1 stop12h 51m

Saint Thomas Island Cyril E King

Tue 5/12

3:01 pm-9:48 pm

1 stop9h 47m

$669

OntarioSaint Thomas Island

ONT - STT

ONTSTT

Ontario

Tue 5/5

1:40 pm-12:20 pm

2 stops19h 40m

Saint Thomas Island Cyril E King

Thu 5/7

1:22 pm-9:58 pm

1 stop11h 36m

$691

OntarioSaint Thomas Island

ONT - STT

ONTSTT

Ontario

Mon 6/1

7:12 pm-11:03 am

2 stops12h 51m

Saint Thomas Island Cyril E King

Mon 6/8

11:52 am-10:36 pm

1 stop13h 44m

$704
Quickest round-trip

OntarioSaint Thomas Island

ONT - STT

ONTSTT

Ontario

Wed 5/6

10:15 pm-1:51 pm

1 stop12h 36m

Saint Thomas Island Cyril E King

Fri 5/8

3:01 pm-9:48 pm

1 stop9h 47m

$857

OntarioChristiansted

ONT - STX

ONTSTX

Ontario

Thu 4/23

7:35 pm-1:15 pm

3 stops14h 40m

Christiansted Henry Rohlsen

Sun 4/26

5:14 pm-11:34 am

2 stops21h 20m

$911

OntarioChristiansted

ONT - STX

ONTSTX

Ontario

Tue 5/5

5:00 am-8:55 am

2 stops24h 55m

Christiansted Henry Rohlsen

Thu 5/7

10:20 am-9:58 pm

2 stops14h 38m

$1,045

OntarioChristiansted

ONT - STX

ONTSTX

Ontario

Wed 4/15

10:26 pm-4:13 pm

3 stops14h 47m

Christiansted Henry Rohlsen

Sun 4/19

2:05 pm-11:46 pm

2 stops12h 41m

$1,389

OntarioChristiansted

ONT - STX

ONTSTX

Ontario

Mon 5/18

1:40 pm-8:55 am

2 stops40h 15m

Christiansted Henry Rohlsen

Sat 5/23

8:30 am-9:55 pm

2 stops16h 25m

$1,466

OntarioChristiansted

ONT - STX

ONTSTX

Ontario

Fri 5/15

5:00 am-8:55 am

2 stops24h 55m

Christiansted Henry Rohlsen

Wed 5/20

10:20 am-9:58 pm

2 stops14h 38m

$1,502

OntarioChristiansted

ONT - STX

ONTSTX

Ontario

Mon 5/4

5:00 am-8:55 am

2 stops24h 55m

Christiansted Henry Rohlsen

Sun 5/10

9:25 am-9:58 pm

2 stops15h 33m

$1,712

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/30

Showing 1-10 of 25 resultsSorted by cheapest first
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Best time to book a flight from Ontario to U.S. Virgin Islands

Have a flexible travel schedule? Discover the best time to fly to U.S. Virgin Islands 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.

Cheapflights Insights

Everything you need to know about your flight from Ontario to the U.S. Virgin Islands

What is the cheapest month to book a flight from Ontario to U.S. Virgin Islands?

Currently, March is the cheapest month in which you can book a flight from Ontario to U.S. Virgin Islands (average of $278). Flying from Ontario to U.S. Virgin Islands in December is currently the most expensive (average of $480). 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.

Related info for your journey

Find useful and relevant information for your journey from Ontario to U.S. Virgin Islands. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Ontario to U.S. Virgin Islands?

    Most people fly from Ontario (ONT) if they book a flight from Ontario to U.S. Virgin Islands. Ontario is conveniently located just 3.1 mi from Ontario’s city center.

  • How long is the flight from Ontario to U.S. Virgin Islands?

    Delta, United Airlines, and American Airlines can get you from Ontario to U.S. Virgin Islands in just under 12h 51m. Your travel time can differ by up to 6h 49m. Ontario and U.S. Virgin Islands are separated by a distance of 3396 mi. This flight may include one or multiple stops.

  • Can I find deals for flights from Ontario to U.S. Virgin Islands that include hotel bookings?

    Yes. In addition to deals on Ontario to U.S. Virgin Islands flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ontario to U.S. Virgin Islands?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to U.S. Virgin Islands.

  • Can I find deals for business class flights from Ontario to U.S. Virgin Islands?

    Yes. Cheapflights offers flight deals from Ontario to U.S. Virgin Islands by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Ontario to U.S. Virgin Islands?

    Currently, March is the cheapest month in which you can book a flight from Ontario to U.S. Virgin Islands (average of $278). Flying from Ontario to U.S. Virgin Islands in December is currently the most expensive (average of $480). 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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