We've compared all ten flights that go to or via Ontario (USA) every week, to find the best deal for you. KLM usually has the cheapest flights from Southampton to Ontario (USA), so keep an eye out for them in your search results. If they’re not the cheapest option, try searching by month to compare costs throughout the week.
We scan thousands of airfares from hundreds of airlines across the globe. We've found that two airlines operate the 8705 km flight from Southampton to Ontario (USA). Flights during peak season tend to be the most expensive – so if you want to go during that time, it's best to book early. Or you could try to get a last-minute flight deal.
If you're fairly flexible about when you want to fly to Ontario (USA), searching by month will show you the cheapest times to go. It’s also worth looking out for flights operated by KLM & Virgin Atlantic, as they're the most popular airlines for this journey.
It takes about 21 hrs 45 mins to fly from Southampton to Ontario (USA). Once you’ve chosen your flight, go through and fill out your details to complete your booking. If you haven’t yet sorted your hotel or car hire, take a look at our competitive rates – then you can book your flights and accommodation in one go.
