Cheap Flights from Dallas Fort Worth International to Ontario International

Compare Dallas Fort Worth International to Ontario International flight deals

Find the cheapest month or even day of the year to fly to Ontario International

Book the best Ontario International fare with no extra fees

Flight deals from Dallas Fort Worth International to Ontario International

Looking for a cheap last-minute deal or the best return flight from Dallas Fort Worth International to Ontario International? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Dallas Fort Worth International to Ontario International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Dallas Fort Worth International to Ontario International flights are currently cheapest in March.

Direct flights from Dallas Fort Worth International to Ontario International

Dallas to Ontario: Flight information

The things to know before you go.
Cheapest flight foundRs15,638
Cheapest month to flyMarch
Average flight time3 hrs, 18 mins
Most popular airlineAmerican Airlines
Average flights per week155

Finding cheap flights from Dallas Fort Worth International to Ontario International: Frequently asked questions

The best price we found for a return flight from Dallas Fort Worth International to Ontario International is Rs28,170. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
3 hours and 18 minutes is the average flight time from Dallas Fort Worth International to Ontario International.
American Airlines, Qatar Airways and British Airways fly direct from Dallas Fort Worth International to Ontario International.
As of February 2026, there are 155 flights per week flying from Dallas Fort Worth International to Ontario International.
The cheapest month to fly from Dallas Fort Worth International to Ontario International is usually March.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Dallas Fort Worth International Airport to Ontario International Airport on Tuesday, 3 March 2026.
Yes – the average flight time is 3 hours and 18 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Ontario International but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Ontario is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Frontier Airlines offers the cheapest flight tickets to Ontario International.

Flying from Dallas/Fort Worth International Airport (DFW) to Ontario International Airport (ONT): what you need to know

  • The average duration of a direct flight from Dallas/Fort Worth International Airport to Ontario International Airport is 3 hours 10 minutes.

  • The timezone in Ontario is UTC-7, which is two hours behind Dallas.

  • Every week, there are 61 Dallas/Fort Worth International Airport to Ontario International Airport flights. If you prefer to jet off as early as possible, go for the 05:05 Frontier Airlines flight. If you'd rather make the most of your day before flying, the latest flight is at 22:59 with American Airlines.

  • Your DFW to ONT flight won't wait if you're running late, so get to the airport on time. Arrive up to one hour in advance for domestic flights and two hours ahead when you're travelling internationally.

  • During popular months like July, it's best to get to the airport well in advance. Arrive two hours before domestic departures and four hours ahead for an international flight when you travel during peak periods in general.

  • American Airlines has direct flights from Dallas/Fort Worth International Airport to Ontario International Airport. Book with this popular carrier, then get ready to see the sights in Ontario — and maybe even more of United States if you have time.

  • The majority of travellers choose to travel with American Airlines on this route.

  • With 73.15% of its services arriving as scheduled, American Airlines is the most punctual carrier operating DFW to ONT flights.

  • If you'd like to break up your flight, simply deselect 'Direct flights only' when searching for your ticket from Dallas/Fort Worth International Airport to Ontario International Airport. These are the top stopovers between DFW and ONT:

    • Phoenix Sky Harbour International Airport

    • Harry Reid Airport (formerly McCarran Airport)

    • Austin-Bergstrom International Airport

How to find the cheapest flights from Dallas/Fort Worth International Airport (DFW) to Ontario International Airport (ONT)

  • The cheapest price we've seen for a one-way Dallas/Fort Worth International Airport to Ontario International Airport flight is Rs15,638. A return ticket right now is Rs28,170. Depending on the availability and when you book, these fares may change.

  • To score cheap tickets from DFW to ONT, reserve your trip six months before your departure date.

  • The cheapest month for flights from Dallas/Fort Worth International Airport to Ontario International Airport is May. Use the 'Whole month' tool to find the lowest prices if you have a flexible travel schedule.

  • You don't need to check every day to find out if fares have gone down when you create a Price Alert. We'll let you know as soon as a special offer becomes available on cheap flights from DFW to ONT.

  • Tailor your trip with filters. Choose your ideal arrival and departure times, total journey duration and airlines. You can also sort your results by 'Cheapest,' 'Best' or 'Fastest' flights from Dallas/Fort Worth International Airport to Ontario International Airport.

Handy information about Dallas/Fort Worth International Airport (DFW)

  • You'll find DFW at International Pkwy.

  • Of the departures from Dallas/Fort Worth International Airport, 73.22% land on schedule at their destination.

  • Central Dallas to Dallas/Fort Worth International Airport is approximately 32 kilometres. Depending on traffic, it'll take you about 25 minutes to get there if you're ride-sharing, catching a cab or driving.

  • You can expect a journey time of about 3 hours 55 minutes on public transport.

  • Taking an early flight from Dallas/Fort Worth International Airport to Ontario International Airport? Avoid the hassle of rushing to the terminal (and enjoy a little extra shut-eye) by picking one of these stays near DFW:

Arriving at Ontario International Airport (ONT)

Getting from Ontario International Airport (ONT) to central Ontario

  • The address for ONT is 2900 E. Airport Drive.

  • From Ontario International Airport, Ontario is approximately 6 kilometres away. It takes around 10 minutes to drive to the centre.

  • Getting to the centre by public transport typically takes 1 hour 30 minutes.

When to fly to Ontario International Airport (ONT)

  • The quietest month for a flight from Dallas/Fort Worth International Airport to Ontario International Airport is May, while August is the busiest. Pick the ideal time to visit Ontario based on whether you prefer a more relaxed vibe or a faster pace.

  • The warmest month in Ontario is August, with temperatures ranging between 15ºC and 35ºC. Book your flights from Dallas/Fort Worth International Airport to Ontario International Airport in this month if you enjoy this type of weather.

  • Look for cheap tickets from DFW to ONT in January if you'd rather travel during cooler conditions. Temperatures are at their lowest around then, ranging between 4ºC and 23ºC on average.

Explore more of United States

  • Ontario is always a good idea, but there are so many other parts of United States just waiting to be explored. About 56 kilometres west of Ontario, a trip to Los Angeles will fill your itinerary to the brim. Start with attractions like Griffith Observatory, The Broad and La Brea Tar Pits & Museum.

  • San Diego is another standout destination in United States and is around 153 kilometres south of Ontario. No trip is complete without a visit to San Diego Zoo, USS Midway Museum and SeaWorld San Diego.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.