$76 Find Cheap Flights from Ontario to the United States

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Ontario to the United States.

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Ontario to the United States is likely to change within 7 days, so travelers know whether to wait or book now.

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly from Ontario to the United States with an airline and back with another airline.

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from Ontario to the United States up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Prices will differ depending on the departure airport, but generally, the cheapest airport to fly to in the United States is Fort Lauderdale Airport (FLL), with an average flight price of $120.

Based on KAYAK data, the cheapest day to fly to the United States is Thursday where round-trip tickets can be as cheap as $307. On the other hand, the most expensive day to fly is Monday, where round-trip prices are $369 on average.

The cheapest time of day to fly to the United States is generally at night, when round-trip flights cost $263 on average. Morning departures are around 7% more expensive than evening flights, on average. The most expensive time of day to fly to the United States is generally in the morning, which is peak travel time and where the average cost of a ticket is $351.

The cheapest ticket to the United States from Ontario found in the last 72 hours was to Los Angeles, at $105 round-trip. The most popular route is Ottawa (YOW) to Newark Airport (EWR) and the cheapest round-trip airline ticket found on this route in the last 72 hours was $125.

The cheapest month for flights from Ontario to the United States is July, when tickets cost $424 (return) on average. On the other hand, the most expensive months are January and March, when the average cost of round-trip tickets is $887 and $559 respectively.

To get a below average price on the flight from Ontario to the United States, you should book around 3 weeks before departure. For the absolute cheapest price, our data suggests you should book 4 weeks before departure.

An average nonstop flight from Ontario to the United States takes 3h 19m, covering a distance of 1072 miles. The shortest route is Montreal Pierre Elliott Trudeau Intl Airport (YUL) to New York LaGuardia Airport (LGA) with an average flight time of 1h 25m.

Based on KAYAK flight searches, the most popular destination is Fort Lauderdale (18% of total searches to the United States). The next most popular destinations are Las Vegas (11%) and Washington, D.C. (9%). Searches for flights to Miami (8%), to Los Angeles (7%) and to San Francisco (6%) are also popular.