$121 Find Cheap Flights from Ontario to the United States - Compare and Save

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.

Ontario and United States are connected by different airlines. The airlines that fly that route the most regularly are Air Canada (1,086 flights per week), United Airlines (937 flights per week), and Porter Airlines (428 flights per week).

There are 581 airports in the United States. The busiest airport is Hartsfield-Jackson Atlanta Airport (ATL), with 8% of all flights arriving there.

Prices will differ depending on the departure airport, but generally, the cheapest airport to fly to in the United States is Chicago Midway Airport (MDW), with an average flight price of $196.

Based on KAYAK data, the cheapest day to fly to the United States is Thursday where round-trip tickets can be as cheap as $315. On the other hand, the most expensive day to fly is Monday, where round-trip prices are $384 on average.

The cheapest time of day to fly to the United States is generally at night, when round-trip flights cost $309 on average. Morning departures are around 3% more expensive than evening flights, on average. The most expensive time of day to fly to the United States is generally in the afternoon, which is peak travel time and where the average cost of a ticket is $342.

The cheapest ticket to the United States from Ontario found in the last 5 days was to Newark Airport, at $150 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 5 days was $150.

The cheapest month for flights from Ontario to the United States is September, when tickets cost $209 (return) on average. On the other hand, the most expensive months are August and July, when the average cost of round-trip tickets is $288 and $257 respectively.

To get a below average price on the flight from Ontario to the United States, you should book around 3 weeks before departure, which saves you about 26% compared to booking last minute. For the absolute cheapest price, our data suggests you should book 8 weeks before departure.

From Ontario, there are direct flights to the United States from 3 cities. The city with the most direct flights is Toronto, with 4,620 direct flights each week.

There are around 696 direct flights from within Ontario to the United States every day. Most flights (48%) depart in the morning.

Each week there are around 4,870 direct flights from within Ontario to the United States. The most common day for departures is Sunday, with 16% of flights taking off on this day.

An average nonstop flight from Ontario to the United States takes 3h 17m, covering a distance of 972 miles. The shortest route is Toronto Island Airport (YTZ) to New York LaGuardia Airport (LGA) with an average flight time of 1h 19m.

Each week, there are 488 medium-haul flights (3-6 hour flight duration) and 4,382 short-haul flights (up to 3 hour flight duration) to the United States. There aren't any long-haul flights (6-12 hour flight duration).

Based on KAYAK flight searches, the most popular destination is Fort Lauderdale (17% of total searches to the United States). The next most popular destinations are Miami (11%) and Washington, D.C. (9%). Searches for flights to Las Vegas (9%), to Los Angeles (7%) and to Houston (5%) are also popular.