Cheap Flights from St. Thomas (STT) to Ontario Intl. Airport (ONT)

Popular airlines from Cyril E. King Airport (STT) to Los Angeles - Ontario Intl. Airport (ONT)

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Frequently asked questions

How do I find cheap flights from St. Thomas (STT-Cyril E. King) to Ontario, CA (ONT-Los Angeles - Ontario Intl.)?
To find a cheap flight from St. Thomas (STT-Cyril E. King) to Ontario, CA (ONT-Los Angeles - Ontario Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from St. Thomas (STT-Cyril E. King) to Ontario, CA (ONT-Los Angeles - Ontario Intl.)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from St. Thomas (STT-Cyril E. King) to Ontario, CA (ONT-Los Angeles - Ontario Intl.)?
There are approximately 8 connecting flights per day from St. Thomas (STT-Cyril E. King) (STT) to Ontario, CA (ONT-Los Angeles - Ontario Intl.) (ONT). Some common connection points include Luis Munoz Marin Intl. (SJU), Miami Intl. (MIA), and Hartsfield-Jackson Atlanta Intl. (ATL).
What is the earliest flight from St. Thomas (STT-Cyril E. King) to Ontario, CA (ONT-Los Angeles - Ontario Intl.)?
The earliest flight from St. Thomas (STT-Cyril E. King) to Ontario, CA (ONT-Los Angeles - Ontario Intl.) typically departs at approximately 7:45 AM local time. This service is operated by 9K and B6 and is a seasonal service active in July. An early departure like this can help maximize your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from St. Thomas (STT-Cyril E. King) to Ontario, CA (ONT-Los Angeles - Ontario Intl.)?
You'll typically find the most flights from St. Thomas (STT-Cyril E. King) to Ontario, CA (ONT-Los Angeles - Ontario Intl.) on a Wednesday, with around 10 flights available. This gives you a good selection for your travel plans. Major airlines on this route include American Airlines, Tradewind Aviation, and Delta Air Lines. Flight schedules are consistent throughout the week.
What are the most popular departure times for flights from St. Thomas (STT-Cyril E. King) to Ontario, CA (ONT-Los Angeles - Ontario Intl.)?
The most popular departure times for flights from St. Thomas (STT-Cyril E. King) to Ontario, CA (ONT-Los Angeles - Ontario Intl.) are in the afternoon, from 3pm to 6pm. About 50% of passengers prefer this time window. Many major carriers, including Delta Air Lines, United Airlines and American Airlines, offer flights during this window. This timing works well because it allows you to enjoy a full morning before heading to the airport, and you'll arrive in Ontario in the evening.
How long does it take to fly from St. Thomas (STT-Cyril E. King) to Ontario, CA (ONT-Los Angeles - Ontario Intl.)?
Flights from STT to ONT with one stop typically take around 11 hours 20 minutes, covering approximately 3,399 miles. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from St. Thomas (STT-Cyril E. King) to Ontario, CA (ONT-Los Angeles - Ontario Intl.)?
Select the "Business class" and "First class" filters when looking for STT to ONT flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a St. Thomas (STT-Cyril E. King) to Ontario, CA (ONT-Los Angeles - Ontario Intl.) flight with Expedia?
It's easy to earn miles on a St. Thomas (STT-Cyril E. King) to Ontario, CA (ONT-Los Angeles - Ontario Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia. *Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Ontario from Cyril E. King (STT)?
If you're planning to travel to Ontario from Cyril E. King (STT), you can fly directly into Los Angeles - Ontario Intl. (ONT) Some flights may connect through major hubs like Miami Intl. (MIA), Luis Munoz Marin Intl. (SJU), Charlotte-Douglas Intl. (CLT) before reaching Ontario. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from St. Thomas (STT-Cyril E. King) to Ontario, CA (ONT-Los Angeles - Ontario Intl.) at the last minute?
Typically, booking a last minute flight from St. Thomas (STT-Cyril E. King) to Ontario, CA (ONT-Los Angeles - Ontario Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a St. Thomas (STT-Cyril E. King) to Ontario, CA (ONT-Los Angeles - Ontario Intl.) flight and hotel package?
Securing a St. Thomas (STT-Cyril E. King) to Ontario, CA (ONT-Los Angeles - Ontario Intl.) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from St. Thomas (STT-Cyril E. King) to Ontario, CA (ONT-Los Angeles - Ontario Intl.)?
If you booked your St. Thomas (STT-Cyril E. King) to Ontario, CA (ONT-Los Angeles - Ontario Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Cyril E. King
Destination airport
Ontario Intl. Airport
Distance
5437 km

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St. Thomas to Los Angeles Flights

The easy way to book your flights from St. Thomas to Ontario Intl. Airport 

With Expedia, it’s simple to find and book flights to Ontario Intl. Airport from St. Thomas whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from airlines that cover this route. There are nonstop flights to Ontario Intl. Airport, too.  

Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from St. Thomas to Ontario Intl. Airport today, tomorrow, or this week.  

 

Save dollars with cheap flights from Cyril E. King, STT to Ontario Intl. Airport, ONT 

Sort your search results by price to find great deals on your flight from St. Thomas to Ontario Intl. Airport—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Ontario Intl. Airport from St. Thomas currently is just rising to .  

Here are more money-saving tips: 

  • Fly in when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to Ontario Intl. Airport  
  • Avoid peak season and weekends when flights can cost more
  • Early morning and late-night flights are sometimes cheaper, so try varying your travel times 
  • One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! 

 

Reasons to choose Expedia for your flight to Ontario Intl. Airport from St. Thomas 

Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Ontario Intl. Airport with Expedia today.

St. Thomas to Los Angeles Flights

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