United Flights from Dallas (DFW) to Ontario (ONT) from $128

For information on any present Ontario, CA (ONT-Los Angeles - Ontario Intl.) quarantine requirements and travel advice, visit the Covid-19 Travel Advisor. Look before you book your flight, so you don't get caught out.

You should find out which terminal United Airlines operates from at Dallas Airport once you're issued with your ticket. The same goes for information about your arrival at ONT. If you can't locate those details, ask your airline.

Plan for at least one stopover when traveling from DFW Airport to ONT, as United Airlines doesn't offer nonstop flights on this route. While waiting for your connection, you might like to grab the local newspaper or your favorite magazine from the airport bookstore to help pass the time.

Enjoy an in-flight snooze and begin your getaway relaxed and refreshed. You'll have plenty of time to do so when traveling with United Airlines between DFW and ONT, with the flight taking around 4 hours and 57 minutes.

United Airlines makes traveling from DFW to ONT easy and convenient. The airline operates roughly 7 flights each week on this popular route.

For more info about changing your flight to Ontario, CA (ONT-Los Angeles - Ontario Intl.), please visit our Customer Service Portal.

This just in! Airfares offered on Thursdays tend to be the cheapest, according to flight demand on Travelocity in 2020. Wednesday and Friday prices are also good, but you may want to prepare your budget if booking on a Sunday, as data shows the end of the week is when prices are generally at their highest.

Frequent travelers may already know this, but earlier in the week can be the cheapest time to fly. In 2020, flights departing on a Monday were generally the cheapest of the week, whereas you may pay a premium for weekend flights when demand is usually high. On average, tickets were most expensive for Saturday departures, so if you need to fly out on a weekend, you might look for deals ahead of time.

Trying to figure out how early you should book your flight? It's possible to start comparing international airfares on Travelocity up to 12 months in advance. However, it does depend on the carrier as not all airlines release their prices that far out. According to our 2020 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 2 weeks to 2 months prior to their travel dates.

We'll let you in on a secret...You can save big on flights if you mix and match your airlines and fare types. In fact, travelers who booked flights on Travelocity in 2020 saved nearly 40% when their return flights consisted of two different airlines or fare types.

*According to flight demand on Travelocity.com from January to December 2020. Savings are subject to change based on departure location, date and destination.