£164 Cheap Flights from Miami (MIA) to Ontario Intl. Airport (ONT)

You can find one-way and return flights from MIA to ONT with Expedia. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see our cheapest fares first, and use the Price Tracking tool to receive alerts when MIA to ONT ticket fares go up or down.

The cheapest months to fly from Miami, FL (MIA) to Ontario Intl. Airport (ONT) are typically during off-peak season when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you are able to. Use the calendar view in your search to see which months have low fares on this route.

Enter MIA to ONT and your travel dates, then apply the 'Nonstop' filter to see only direct flights.

To find a cheap flight from Miami, FL (MIA-Miami Intl.) to Ontario Intl. Airport (ONT), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.

The cheapest months to fly from Miami, FL (MIA-Miami Intl.) to Ontario Intl. Airport (ONT) are typically January and August, with average return flights costing around £266. These months often offer lower fares because they fall outside peak travel seasons, giving you a good opportunity to find a deal.

There are approximately 67 connecting flights per day from Miami, FL (MIA-Miami Intl.) to Ontario Intl. Airport (ONT). Some common connection points include Dallas-Fort Worth Intl. (DFW), O'Hare Intl. (ORD), and Seattle - Tacoma Intl. (SEA).

Sort flights by "Departure (earliest)" on Expedia to find the earliest flight from Miami, FL (MIA) to Ontario Intl. Airport (ONT). To compare more early flights, use the "Early Morning" and "Morning" filters in your search.

You'll typically find the most flights from Miami International Airport (MIA) to Ontario International Airport (ONT) on a Friday, with around 55 flights available. This gives you a good selection of options for your travel plans. Major airlines on this route include American Airlines, United, and Alaska Airlines. Flight options are fairly consistent throughout the week, with Fridays offering only slightly more flights than other days.

The most popular departure times for flights from Miami Intl. (MIA) to Ontario Intl. Airport (ONT) are in the morning, from 6am to 9am. Many major carriers, including American Airlines, Delta and Southwest Airlines, offer flights during this window. Many travellers prefer this because it allows for an early start to their journey, getting them to their destination with plenty of time left in the day.

Flights from MIA to ONT with one stop typically take around 8 hours, covering approximately 3,690 kilometers. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.

You can fly business class or first class between MIA and ONT. You can fly business class with Frontier Airlines and Delta.

First class cabins are available on Alaska Airlines, United, Delta, and American Airlines.

It's easy to earn miles on a Miami, FL (MIA) to Ontario Intl. Airport (ONT) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.

*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.

Typically, booking a last minute flight from Miami, FL (MIA) to Ontario Intl. Airport (ONT) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.

Securing a Miami, FL (MIA) to Ontario Intl. Airport (ONT) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.

If you booked your Miami, FL (MIA-Miami Intl.) to Ontario Intl. Airport (ONT) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.