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

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

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Find the cheapest month to fly from Ontario (ONT) to St. Thomas (STT)

September is typically the cheapest month to fly

From CA $647 - CA $1,211 per traveller.

Graph displaying average flight prices per month

Flight from Ontario to St. Thomas (ONT - STT) route information
Origin airport
Los Angeles - Ontario Intl.
Destination airport
Cyril E. King
Distance
5437 km

Los Angeles to St. Thomas Flights

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

With Expedia, it’s simple to find and book flights to St. Thomas from Ontario 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 Cyril E. King, 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 Ontario to St. Thomas today, tomorrow, or this week.  

 

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

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

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 St. Thomas with Expedia today.

Frequently asked questions

How much is a flight from ONT to Cyril E. King Airport (STT)?
The lowest price advertised for a round-trip journey between ONT and Cyril E. King Airport is . But you better act fast. This price is based on fares listed within the last 7 days on Expedia for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Ontario Airport to Cyril E. King Airport (STT)?
We understand that circumstances change unexpectedly, so we've made it as easy as possible for you to cancel your trip online. Just visit the Customer Service Portal and follow the instructions.
How do I find cheap flights from ONT to Cyril E. King Airport that have flexible change policies?
Many carriers offer the option to move your flight without charging a fee. All you pay is the cost difference between the two flights. When looking for ONT to STT flights, you'll find a "No change fees" filter for you to pick.
How many hours is the flight from Ontario Airport to STT?
The flight time from Los Angeles - Ontario Intl. Airport (ONT) to Cyril E. King Airport (STT) is around 7 hours and 43 minutes. Put on your earphones, listen to your favourite tunes and your trip will fly by.
How far is the flight from Los Angeles - Ontario Intl. Airport (ONT) to STT?
Ontario to St. Thomas is around 5,500 kilometres, so be prepared to spend a while in the air. Make sure you pack all the essentials, from your earplugs to your eye mask. Take a few snacks to munch on throughout your trip too.
Which airlines fly direct from Ontario Airport to Cyril E. King Airport?
Flying directly between ONT and STT isn't possible at this time. However, you'll still be able to find a flight to St. Thomas with at least one stop.
Are Los Angeles - Ontario Intl. Airport (ONT) to Cyril E. King Airport flight tickets cheaper when they're purchased at the last minute?
Flight prices always go up and down, so there are no guarantees. While last-minute deals between Los Angeles - Ontario Intl. Airport (ONT) and STT are possible, it's also a good idea to keep a close eye on prices well before you fly. In fact, some airlines publicize their prices up to a year prior to the departure date. Expedia is continuously updating the best bargains around, so keep checking and be ready to pounce when prices drop.

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Ontario nearby Airports

Los Angeles

Los Angeles Intl. to St. Thomas
CA $968.50
*Available to Expedia members.