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Flights from New York to Ontario Starting at £57

We've found these cheap flights for you. You can book one-way or return flight tickets.

  • One way
  • Round-trip

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Find the best time to fly from New York to Ontario

We monitor flight fares to help you find the best deals effortlessly

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.
Airlines Flying from New York to Ontario

Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.

Frontier Airlines
From £57
Southwest Airlines
From £73
Spirit Airlines
From £74
Sun Country Airlines
From £74
Delta Air Lines
From £79
American Airlines
From £88
Jetblue Airways
From £91
Alaska Airlines
From £94
Allegiant Air
From £103
United Airlines
From £115
ANA airlines

Find more flights and airlines

Alternative Routes from New York to Ontario

Searching for potential routes that might be cheaper and faster? Check out these alternative flights from New York to Ontario.

  • Cheapest
    Frontier Airlines
    LGA
    06:00
    27h 26m
    1 transfer
    ONT
    06:26
    New York LaGuardia Airport - Ontario International Airport
    Fri, Apr 12Frontier Airlines
    £57
  • Sun Country Airlines
    EWR
    11:40
    21h 46m
    2 transfer
    ONT
    06:26
    Newark Liberty International Airport - Ontario International Airport
    Fri, Apr 12Sun Country Airlines
    £74
  • Delta Air Lines
    JFK
    13:48
    12h 51m
    2 transfer
    ONT
    23:39
    John F. Kennedy International Airport - Ontario International Airport
    Tue, May 21Delta Air Lines
    £79
  • Delta Air Lines
    JFK
    13:48
    12h 51m
    2 transfer
    ONT
    23:39
    John F. Kennedy International Airport - Ontario International Airport
    Tue, May 21Delta Air Lines
    £79
    Find More Flights

How do I find the cheapest flights?

  • When are flight tickets from New York (NYC) to Ontario (ONT) the cheapest?

    Airlines adjust prices for flights from New York to Ontario based on the date and time of your booking. By analyzing data from all airlines, on Trip.com, you can find the cheapest flight prices on Tuesdays, Wednesdays, and Saturdays.
  • How much are flights from New York (NYC) to Ontario (ONT) cost?

    According to Trip.com's data, the lowest price is around £297.
  • What's the most popular airline for direct flights from New York (NYC) to Ontario (ONT)?

    Alaska Airlines operates 2 direct flights from New York (NYC) to Ontario (ONT).

Flight Information from New York to Ontario

Cheapest direct flight price

£56

Cheapest return ticket price

£147

Cheapest month

February

Peak season for travel

February