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CHEAP FLIGHTS TO ONTARIO
From To Airline Travel Dates Priced from  
London Heathrow Ontario 17 Aug 2026 30 Aug 2026 £407
London Airports Ontario 28 Mar 2026 11 Apr 2026 £417
London Heathrow Ontario 09 Jan 2026 25 Mar 2026 £421
London Airports Ontario 28 Mar 2026 11 Apr 2026 £443
London Heathrow Ontario 09 Jan 2026 25 Mar 2026 £445
London Airports Ontario 27 Dec 2025 06 Jan 2026 £456
London Heathrow Ontario 14 Nov 2025 04 Dec 2025 £515
London Heathrow Ontario 14 Nov 2025 04 Dec 2025 £515
London Heathrow Ontario 17 Aug 2026 30 Aug 2026 £530
London Airports Ontario 15 Mar 2026 23 Mar 2026 £537
London Heathrow Ontario 14 Nov 2025 04 Dec 2025 £540
London Heathrow Ontario 31 Jan 2026 07 Feb 2026 £556
London Heathrow Ontario 17 Aug 2026 30 Aug 2026 £582
London Heathrow Ontario 17 Aug 2026 30 Aug 2026 £603
London Heathrow Ontario 17 Aug 2026 30 Aug 2026 £651
London Heathrow Ontario 17 Aug 2026 30 Aug 2026 £661
London Airports Ontario 28 Mar 2026 04 Apr 2026 £721
London Heathrow Ontario 17 Aug 2026 30 Aug 2026 £729
London Airports Ontario 21 Dec 2025 01 Jan 2026 £729
London Heathrow Ontario 17 Aug 2026 30 Aug 2026 £785
London Airports Ontario 21 Dec 2025 01 Jan 2026 £868
London Heathrow Ontario 17 Aug 2026 30 Aug 2026 £946
London Airports Ontario 21 Dec 2025 01 Jan 2026 £1034
London Airports Ontario 21 Dec 2025 01 Jan 2026 £1034
London Airports Ontario 21 Dec 2025 01 Jan 2026 £1068
London Airports Ontario 21 Dec 2025 01 Jan 2026 £1075
Teesside Ontario 13 Dec 2025 04 Jan 2026 £1075
London Airports Ontario 21 Dec 2025 01 Jan 2026 £1077
London Heathrow Ontario 17 Aug 2026 30 Aug 2026 £1081
London Airports Ontario 21 Dec 2025 01 Jan 2026 £1124
London Heathrow Ontario 17 Aug 2026 30 Aug 2026 £1154
London Airports Ontario 21 Dec 2025 01 Jan 2026 £1170
Teesside Ontario 13 Dec 2025 04 Jan 2026 £1177
London Airports Ontario 21 Dec 2025 01 Jan 2026 £1208
London Airports Ontario 21 Dec 2025 01 Jan 2026 £1600
Teesside Ontario 13 Dec 2025 04 Jan 2026 £1730
Teesside Ontario 13 Dec 2025 04 Jan 2026 £2079
Flight offers shown above are per person including all taxes; subject to availability and credit card charges. Offers are based on the searches which has been made on our site in the last seven days. Remember to select 'my dates are flexible' in the search engine to find the best deal.
Flights to Ontario, United States
Looking for cheap flights to Ontario, United States? Then you are at right place. Travelsor offers cheapest flights to Ontario, United States. We have plenty of flight options for Ontario, United States. Book with confidence when you book flights to Ontario, United States with Travelsor as all the flights you book with Travelsor are ATOL protected.
Ontario, United States is a beautiful city. Thousands of tourists from across the globe visit Ontario, United States and thousands of tourists look for Ontario flights to visit this city. Every year there is a rush for airline tickets to visit the city and enjoy this awesome climate. Travelsor offers cheap flights to Ontario and you can book online your favourite flight deal securely. Apart from beautiful landmarks there are many places in Ontario that travelers prefer to visit in a vacation trip to Ontario. If you are looking for airline tickets to Ontario and want to enjoy the beautiful places in Ontario, you just have to book online Ontario flights by using our online search engine.