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Saint Croix

$328+ Cheap flights from Ontario (ONT) to Saint Croix

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 1/29. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — STX
Jan 25 — Feb 11
Sun 1/25
Sun 2/1
1 adult, Economy
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Cheap flight deals from Ontario to Saint Croix

Best flights from Ontario to Saint Croix
Discover carefully curated flight deals from Ontario to Saint Croix that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 26, 2025.

This American Airlines deal was found by Cheapflights users on 12/24. 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 2/125:06 pmONT - STX
2 stops19h 46mAmerican Airlines
Wed 2/184:33 pmSTX - ONT
2 stops20h 10mAmerican Airlines
Deal found 12/24$599
This American Airlines deal was found by Cheapflights users on 12/23. 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.
Fri 2/207:50 pmONT - STX
2 stops17h 02mAmerican Airlines
Wed 2/253:06 pmSTX - ONT
2 stops23h 01mAmerican Airlines
Deal found 12/23$624
This American Airlines deal was found by Cheapflights users on 12/23. 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.
Fri 2/205:06 pmONT - STX
2 stops17h 53mAmerican Airlines
Tue 2/245:42 pmSTX - ONT
2 stops24h 12mAmerican Airlines
Deal found 12/23$624
This American Airlines deal was found by Cheapflights users on 12/23. 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 1/2911:59 pmONT - STX
2 stops17h 32mAmerican Airlines
Sat 1/318:30 amSTX - ONT
2 stops13h 50mAmerican Airlines
Deal found 12/23$624

Find flight deals from Ontario to Saint Croix

Keep the following information in mind while searching for Ontario to Saint Croix flight deals. Data was last updated December 26, 2025.

Round-trip from

$599
(American Airlines)

One-way from

$328
(American Airlines)
From Ontario to Saint Croix
Search Deals
One-way flight from Ontario to Saint Croix
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario to Saint Croix 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 December 26, 2025.
Use the filters below to find and compare flights from Ontario to Saint Croix that are best for you.

Fly from

Ontario

Fly to

Saint Croix

Route

Depart

Return

Price

OntarioChristiansted

ONT - STX

ONTSTX

Ontario

Thu 2/12

5:06 pm-4:52 pm

2 stops19h 46m

Christiansted Henry Rohlsen

Wed 2/18

4:33 pm-8:43 am

2 stops20h 10m

$599

OntarioChristiansted

ONT - STX

ONTSTX

Ontario

Fri 2/20

7:50 pm-4:52 pm

2 stops17h 02m

Christiansted Henry Rohlsen

Wed 2/25

3:06 pm-10:07 am

2 stops23h 01m

$624

OntarioChristiansted

ONT - STX

ONTSTX

Ontario

Fri 2/20

5:06 pm-2:59 pm

2 stops17h 53m

Christiansted Henry Rohlsen

Tue 2/24

5:42 pm-1:54 pm

2 stops24h 12m

$624

OntarioChristiansted

ONT - STX

ONTSTX

Ontario

Thu 1/29

11:59 pm-9:31 pm

2 stops17h 32m

Christiansted Henry Rohlsen

Sat 1/31

8:30 am-6:20 pm

2 stops13h 50m

$624

OntarioChristiansted

ONT - STX

ONTSTX

Ontario

Thu 1/29

6:22 am-9:31 pm

2 stops11h 09m

$328

OntarioChristiansted

ONT - STX

ONTSTX

Ontario

Thu 1/29

10:30 pm-2:33 pm

1 stop12h 03m

$353

OntarioChristiansted

ONT - STX

ONTSTX

Ontario

Sun 1/11

6:00 am-8:55 am

2 stops22h 55m

$2,828

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/23

Best time to book a flight from Ontario to Saint Croix

Have a flexible travel schedule? Discover the best time to fly to Saint Croix 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 Saint Croix

What is the cheapest month to book a flight from Ontario to Saint Croix?

Currently, January is the cheapest month in which you can book a flight from Ontario to Saint Croix (average of $315). Flying from Ontario to Saint Croix in September is currently the most expensive (average of $684). 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 Saint Croix. 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 Saint Croix?

    Ontario (ONT) is the airport you will fly out of if you book a flight from Ontario to Saint Croix. It is only a 3.1 mi journey to Ontario (ONT) from Ontario’s city center.

  • How long is the flight from Ontario to Saint Croix?

    Departing from Ontario to Saint Croix will take you 19h 46m. There are 3428 mi between Ontario and Saint Croix.

  • Can I find deals for flights from Ontario to Saint Croix that include hotel bookings?

    Yes. In addition to deals on Ontario to Saint Croix flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ontario to Saint Croix?

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

  • Can I find deals for business class flights from Ontario to Saint Croix?

    Yes. Cheapflights offers flight deals from Ontario to Saint Croix 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 Saint Croix?

    Currently, January is the cheapest month in which you can book a flight from Ontario to Saint Croix (average of $315). Flying from Ontario to Saint Croix in September is currently the most expensive (average of $684). 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 Saint Croix

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