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Cheap Flights from Miami to Ontario starting at S$ 90

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.

Cheapest time to fly from Miami to Ontario

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

Displayed prices are calculated based on the lowest average weekly prices of the corresponding route on Trip.com.
Cheapest Airlines flying from Miami 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 S$ 90
Spirit Airlines
From S$ 105
Delta Air Lines
From S$ 154
American Airlines
From S$ 162
Southwest Airlines
From S$ 170
United Airlines
From S$ 188
Sun Country Airlines
From S$ 225
Alaska Airlines
From S$ 385
Jetblue Airways
From S$ 404
ANA airlines

Find more flights and airlines

Alternative Routes from Miami to Ontario

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

  • Cheapest
    Frontier Airlines
    MIA
    21:14
    12h 23m
    1 transfer
    ONT
    06:37
    Miami International Airport - Ontario International Airport
    Tue, Apr 2Frontier Airlines
    S$ 90
  • Frontier Airlines
    MIA
    21:14
    12h 23m
    1 transfer
    ONT
    06:37
    Miami International Airport - Ontario International Airport
    Tue, Apr 2Frontier Airlines
    S$ 90
    Find More Flights

Frequently Asked Questions

  • When to buy flight tickets from Miami (MIA) to Ontario (ONT) the cheapest?

    Airlines adjust prices for flights from Miami 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 is a flight from Miami (MIA) to Ontario (ONT) cost?

    According to Trip.com's data, the lowest price is around S$ 555.
  • What's the most popular airline for direct flights from Miami (MIA) to Ontario (ONT)?

    Jetblue Airways operates 1 direct flights from Miami (MIA) to Ontario (ONT).

Find cheapest flight ticket from Miami to Ontario

Cheapest direct flight price

S$ 90

Cheapest return ticket price

S$ 194

Cheapest month

January

Peak season for travel

February