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U.S. Virgin Islands

$348+ 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 1/10. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — STT
Feb 3 — Feb 101
Tue 2/3
Tue 2/10
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 January 4, 2026.

This Trip.com deal was found by Cheapflights users on 1/3. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/117:17 pmONT - STT
2 stops15h 14mMultiple Airlines
Sat 2/143:36 pmSTT - ONT
2 stops36h 23mMultiple Airlines
Deal found 1/3$505
This Southwest deal was found by Cheapflights users on 1/4. 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.
Wed 4/19:45 pmONT - STT
2 stops13h 35mSouthwest
Tue 4/142:10 pmSTT - ONT
2 stops11h 15mSouthwest
Deal found 1/4$548
This Delta deal was found by Cheapflights users on 1/4. 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.
Thu 1/2910:30 pmONT - STT
1 stop12h 35mDelta
Mon 2/23:10 pmSTT - ONT
2 stops12h 48mDelta
Deal found 1/4$596
This Southwest deal was found by Cheapflights users on 1/3. 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.
Fri 4/249:55 pmONT - STT
2 stops12h 15mSouthwest
Mon 4/272:30 pmSTT - ONT
2 stops11h 35mSouthwest
Deal found 1/3$690
This American Airlines deal was found by Cheapflights users on 1/4. 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 4/111:58 pmONT - STT
2 stops13h 31mAmerican Airlines
Wed 4/1512:36 pmSTT - ONT
2 stops14h 10mAmerican Airlines
Deal found 1/4$706
This American Airlines deal was found by Cheapflights users on 1/4. 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 4/111:58 pmONT - STT
1 stop13h 04mAmerican Airlines
Tue 4/141:15 pmSTT - ONT
1 stop10h 12mAmerican Airlines
Deal found 1/4$723
This American Airlines deal was found by Cheapflights users on 1/3. 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.
Sun 1/1811:59 pmONT - STX
2 stops17h 32mAmerican Airlines
Thu 1/228:30 amSTX - ONT
2 stops14h 15mAmerican Airlines
Deal found 1/3$745
This American Airlines deal was found by Cheapflights users on 1/4. 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 4/211:58 pmONT - STT
1 stop13h 04mAmerican Airlines
Tue 4/1412:25 pmSTT - ONT
2 stops13h 10mAmerican Airlines
Deal found 1/4$779
This American Airlines deal was found by Cheapflights users on 1/3. 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 4/27:59 pmONT - STT
2 stops12h 13mAmerican Airlines
Wed 4/1512:36 pmSTT - ONT
2 stops14h 10mAmerican Airlines
Deal found 1/3$803
This United Airlines deal was found by Cheapflights users on 1/3. 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.
Sun 5/246:30 pmONT - STT
2 stops14h 45mUnited Airlines
Mon 6/14:45 pmSTT - ONT
2 stops22h 35mUnited Airlines
Deal found 1/3$809
This American Airlines deal was found by Cheapflights users on 1/2. 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.
Sat 6/611:59 pmONT - STX
2 stops17h 30mAmerican Airlines
Sat 6/138:00 amSTX - ONT
3 stops16h 51mAmerican Airlines
Deal found 1/2$1,016
This Priceline deal was found by Cheapflights users on 1/3. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/311:25 pmONT - STX
2 stops13h 50mMultiple Airlines
Sat 8/82:48 pmSTX - ONT
2 stops34h 21mMultiple Airlines
Deal found 1/3$1,023

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 January 4, 2026.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$505
(Trip.com)

One-way from

$348
(Delta)

Popular in

December

Cheapest in

August

Average price

$539
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. 13% potential increase in price ($97 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 January 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 January 4, 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

Ontario

Fly to

U.S. Virgin Islands

Route

Depart

Return

Price

OntarioSaint Thomas Island

ONT - STT

ONTSTT

Ontario

Wed 2/11

7:17 pm-2:31 pm

2 stops15h 14m

Saint Thomas Island Cyril E King

Sat 2/14

3:36 pm-11:59 pm

2 stops36h 23m

$505

OntarioSaint Thomas Island

ONT - STT

ONTSTT

Ontario

Wed 4/1

4:35 pm-2:20 pm

2 stops18h 45m

Saint Thomas Island Cyril E King

Tue 4/14

2:10 pm-10:25 pm

2 stops11h 15m

$548

OntarioSaint Thomas Island

ONT - STT

ONTSTT

Ontario

Fri 4/24

9:55 pm-2:25 pm

1 stop13h 30m

Saint Thomas Island Cyril E King

Mon 4/27

2:30 pm-11:05 pm

2 stops11h 35m

$548

OntarioChristiansted

ONT - STX

ONTSTX

Ontario

Wed 3/4

10:20 pm-2:56 pm

1 stop12h 36m

Christiansted Henry Rohlsen

Tue 3/10

2:24 pm-9:04 pm

1 stop9h 40m

$596

OntarioSaint Thomas Island

ONT - STT

ONTSTT

Ontario

Fri 1/30

10:30 pm-12:42 pm

1 stop10h 12m

Saint Thomas Island Cyril E King

Mon 2/2

3:10 pm-9:05 pm

1 stop9h 55m

$596

OntarioSaint Thomas Island

ONT - STT

ONTSTT

Ontario

Thu 1/29

3:30 pm-1:22 pm

2 stops17h 52m

Saint Thomas Island Cyril E King

Mon 2/2

3:10 pm-11:58 pm

2 stops12h 48m

$648

OntarioSaint Thomas Island

ONT - STT

ONTSTT

Ontario

Wed 4/1

7:59 pm-1:03 pm

2 stops14h 04m

Saint Thomas Island Cyril E King

Wed 4/15

12:36 pm-11:46 pm

2 stops14h 10m

$706

OntarioChristiansted

ONT - STX

ONTSTX

Ontario

Sun 1/18

11:59 pm-9:31 pm

2 stops17h 32m

Christiansted Henry Rohlsen

Thu 1/22

8:30 am-6:45 pm

2 stops14h 15m

$745

OntarioChristiansted

ONT - STX

ONTSTX

Ontario

Tue 1/20

12:57 pm-5:05 pm

2 stops24h 08m

Christiansted Henry Rohlsen

Sat 1/24

3:45 pm-9:08 am

2 stops21h 23m

$745

OntarioSaint Thomas Island

ONT - STT

ONTSTT

Ontario

Thu 4/2

11:58 pm-4:02 pm

1 stop13h 04m

Saint Thomas Island Cyril E King

Tue 4/14

12:25 pm-10:35 pm

2 stops13h 10m

$779

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/3

Showing 1-10 of 25 results
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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 $273). Flying from Ontario to U.S. Virgin Islands in June is currently the most expensive (average of $479). 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?

    Southwest, Delta, and American Airlines can get you from Ontario to U.S. Virgin Islands in just under 12h 36m. Your travel time can differ by up to 6h 09m. Ontario and U.S. Virgin Islands are separated by a distance of 3428 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 $273). Flying from Ontario to U.S. Virgin Islands in June is currently the most expensive (average of $479). 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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Alternative routes for Ontario to U.S. Virgin Islands

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Ontario to U.S. Virgin Islands

Discover the top airline that operate flights from Ontario to U.S. Virgin Islands. 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 2,558,603 searches. Data last updated January 4, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$567Average$1,115FlexibilityNo cancel feeOn-time71%

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