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Cheap Flights from Ontario International to Dallas Fort Worth International

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      Travellers and cabin class, 1 Adult, Economy
      American Airlines
      Qatar Airways
      British Airways
      Iberia
      GOL Linhas Aéreas
      Royal Jordanian

      Compare Ontario International to Dallas Fort Worth International flight deals

      Find the cheapest month or even day of the year to fly to Dallas Fort Worth International

      Book the best Dallas Fort Worth International fare with no extra fees

      Flight deals from Ontario International to Dallas Fort Worth International

      Looking for a cheap last-minute deal or the best return flight from Ontario International Airport to Dallas Fort Worth International Airport? If you want to travel next month, return fares start from R 2,136. Find the lowest prices on one-way and return tickets right here.
      Dallas.R 1,038 per passenger.Departing Thu, 24 Sep.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Ontario International on Thu, 24 Sep, arriving in Dallas Fort Worth International.Price includes taxes and charges.From R 1,038, select.
      Dallas.R 1,068 per passenger.Departing Tue, 6 Oct.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Ontario International on Tue, 6 Oct, arriving in Dallas Fort Worth International.Price includes taxes and charges.From R 1,068, select.
      Dallas.R 1,077 per passenger.Departing Thu, 12 Nov.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Ontario International on Thu, 12 Nov, arriving in Dallas Fort Worth International.Price includes taxes and charges.From R 1,077, select.
      Dallas.R 1,318 per passenger.Departing Tue, 10 Nov.One-way flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Ontario International on Tue, 10 Nov, arriving in Dallas Fort Worth International.Price includes taxes and charges.From R 1,318, select.
      Dallas.R 1,817 per passenger.Departing Tue, 6 Oct.One-way flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Ontario International on Tue, 6 Oct, arriving in Dallas Fort Worth International.Price includes taxes and charges.From R 1,817, select.
      Dallas.R 1,819 per passenger.Departing Tue, 15 Sep.One-way flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Ontario International on Tue, 15 Sep, arriving in Dallas Fort Worth International.Price includes taxes and charges.From R 1,819, select.
      Dallas.R 2,009 per passenger.Departing Tue, 15 Dec.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Ontario International on Tue, 15 Dec, arriving in Dallas Fort Worth International.Price includes taxes and charges.From R 2,009, select.
      Dallas.R 2,217 per passenger.Departing Tue, 15 Dec.One-way flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Ontario International on Tue, 15 Dec, arriving in Dallas Fort Worth International.Price includes taxes and charges.From R 2,217, select.
      Dallas.R 2,836 per passenger.Departing Fri, 29 Jan.One-way flight with United.Outbound indirect flight with United, departs from Ontario International on Fri, 29 Jan, arriving in Dallas Fort Worth International.Price includes taxes and charges.From R 2,836, select.
      Dallas.R 2,872 per passenger.Departing Thu, 27 Aug.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from Ontario International on Thu, 27 Aug, arriving in Dallas Fort Worth International.Price includes taxes and charges.From R 2,872, select.
      Dallas.R 2,888 per passenger.Departing Sat, 27 Feb.One-way flight with KLM.Outbound indirect flight with KLM, departs from Ontario International on Sat, 27 Feb, arriving in Dallas Fort Worth International.Price includes taxes and charges.From R 2,888, select.
      Dallas.R 3,047 per passenger.Departing Wed, 26 Aug.One-way flight with Frontier Airlines.Outbound direct flight with Frontier Airlines departs from Ontario International on Wed, 26 Aug, arriving in Dallas Fort Worth International.Price includes taxes and charges.From R 3,047, select.
      Dallas.R 3,525 per passenger.Departing Thu, 3 Jun.One-way flight with Delta.Outbound indirect flight with Delta, departs from Ontario International on Thu, 3 Jun, arriving in Dallas Fort Worth International.Price includes taxes and charges.From R 3,525, select.
      Dallas.R 3,606 per passenger.Departing Sat, 27 Feb.One-way flight with British Airways.Outbound direct flight with British Airways departs from Ontario International on Sat, 27 Feb, arriving in Dallas Fort Worth International.Price includes taxes and charges.From R 3,606, select.
      Dallas.R 4,064 per passenger.Departing Wed, 24 Mar.One-way flight with Alaska Airlines.Outbound indirect flight with Alaska Airlines, departs from Ontario International on Wed, 24 Mar, arriving in Dallas Fort Worth International.Price includes taxes and charges.From R 4,064, select.

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

      We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Ontario International to Dallas Fort Worth International flights are currently cheapest in September.
      Aug
      from R 2,872
      Sep
      from R 1,038
      Oct
      from R 1,068
      Nov
      from R 1,077
      Dec
      from R 2,009
      Jan
      from R 2,836
      Feb
      from R 2,888
      Mar
      from R 4,064
      Apr
      Find prices
      May
      Find prices
      Jun
      from R 3,525
      Jul
      Find prices

      Direct flights from Ontario International to Dallas Fort Worth International

      American Airlines
      British Airways
      Frontier Airlines
      GOL Linhas Aéreas
      Iberia
      Qatar Airways
      Royal Jordanian
      Volaris

      Ontario International to Dallas Fort Worth International: Alternative routes

      Compare routes from Ontario International to Dallas below. You may find an airport to fly into that's cheaper, faster, or easier than Dallas Fort Worth International.

      Dallas Love Field

      7km from central Dallas
      Closest
      from R 2,524
      Search flights

      Dallas Fort Worth International

      24km from central Dallas
      Cheapest
      from R 1,036
      Search flights

      Fort Worth

      53km from central Dallas
      Search flights

      Ontario to Dallas: Flight information

      The things to know before you go.
      Cheapest flight foundR 1,038
      Cheapest month to flySeptember
      Average flight time3 hrs, 9 mins
      Most popular airlineAmerican Airlines
      Average flights per week195

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

      The best price we found for a return flight from Ontario International to Dallas Fort Worth International is R 2,136. 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 9 minutes is the average flight time from Ontario International to Dallas Fort Worth International.
      American Airlines, Qatar Airways and British Airways fly direct from Ontario International to Dallas Fort Worth International.
      As of August 2026, there are 195 flights per week flying from Ontario International to Dallas Fort Worth International.
      The cheapest month to fly from Ontario International to Dallas Fort Worth International is usually September.
      After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Ontario International Airport to Dallas Fort Worth International Airport on Wednesday, 16 September 2026.
      Yes – the average flight time is 3 hours and 9 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 Dallas Fort Worth 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 Dallas 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 Dallas Fort Worth International.

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

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

      • The timezone in Dallas is UTC-6, which is two hours ahead of Ontario.

      • You can choose from 43 weekly Ontario International Airport to Dallas Fort Worth International Airport flights. The 00:57 departure with American Airlines is the earliest available. American Airlines operates the latest service of the day at 23:59.

      • Get to the airport on time so you don't miss your ONT to DFW flight. Be there at least two hours ahead for international flights and an hour early for domestic departures to avoid the stress of rushing.

      • You can expect bigger queues during popular months like July. Arriving up to four hours in advance for international flights and two hours for domestic departures will help ensure a smooth travel experience.

      • Travelling to Dallas (and then seeing more of the United States!) is a snap with American Airlines. This popular airline offers direct flights from Ontario International Airport to Dallas Fort Worth International Airport.

      • Most travellers choose to fly with American Airlines on this route.

      • American Airlines is the most punctual carrier that operates ONT to DFW flights, with 78.1% of its services arriving as scheduled.

      • If you want to include a stop along the way, just uncheck 'Direct flights only' when searching for your ticket from Ontario International Airport to Dallas Fort Worth International Airport. Here are the top stopovers between ONT and DFW:

        • Denver International Airport

        • Phoenix Sky Harbour Airport

        • Harry Reid International Airport

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

      • Right now, R 1,036 is the lowest price we've seen for a one-way Ontario International Airport to Dallas Fort Worth International Airport flight. The best price for a return plane ticket is R 2,136. Bear in mind that fares may change due to availability at the time of booking.

      • Don't wait until the last moment. You're more likely to find cheap tickets from ONT to DFW if you book ahead. Airlines often offer some great early bird rates.

      • May is the cheapest month for flights from Ontario International Airport to Dallas Fort Worth International Airport. If you need to travel at a different time of year, the 'Whole month' tool will give you the lowest prices across every month.

      • Picking up cheap flights from ONT to DFW couldn't be easier with Price Alerts. All you need to do is create one of these automatic alerts and we'll let you know when fares go down.

      • Select your preferred arrival and departure times, number of stops and airlines with the filters. Alternatively, sort your results by 'Cheapest' to see the best deals on flights from Ontario International Airport to Dallas Fort Worth International Airport.

      Handy information about Ontario International Airport (ONT)

      • You'll find ONT at 2900 E. Airport Drive.

      • Ontario International Airport earns top marks for its on-time performance. 83% of flights that depart ONT arrive at their destination without delay.

      • Ontario International Airport is about 10 kilometres from central Ontario. If you're driving, ride-sharing or catching a taxi from the centre, it'll take you 15 minutes or so to arrive, depending on the traffic.

      • The trip on public transport will take about 45 minutes.

      • Get your journey off to a stress-free start by staying near ONT. Whether you're catching an early flight from Ontario International Airport to Dallas Fort Worth International Airport or just don't want to be rushed, these hotels are perfect:

      Arriving at Dallas Fort Worth International Airport (DFW)

      When to fly to Dallas Fort Worth International Airport (DFW)

      • It's time to plan your trip dates for your flight from Ontario International Airport to Dallas Fort Worth International Airport. July is the most popular month to head to Dallas. If you'd like a more low-key vibe, go in March.

      • Book your flight from Ontario International Airport to Dallas Fort Worth International Airport for August if you'd like to explore Dallas during its warmest month. You can expect temperatures of between 24ºC (75ºF) and 41ºC (106ºF).

      • Look for cheap tickets from ONT to DFW in January if you'd rather travel during cooler conditions. Temperatures are at their lowest around then, ranging between 1ºC (34ºF) and 16ºC (61ºF) on average.

      Explore more of the United States

      • Dallas has plenty going for it, but there are so many other corners of the United States you'll want to see. Around 370 kilometres south of Dallas, a trip to Houston will keep your itinerary packed. Start with leading attractions like The Museum of Fine Arts, Houston, Beck Building, Houston Museum of Natural Science and The Menil Collection.

      • If you're ready to explore another side of the United States, head for San Antonio, roughly 402 kilometres south-west of Dallas. San Antonio River Walk, San Antonio River walk and Alamo Plaza are key highlights.

      Prices shown on this page are estimated lowest prices only. Found in the last 12 days.