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Find the best flight from Ontario to London

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Great deals to Toronto
We’ve searched 100s of deals recently found by travellers.*
Ontario, CA (ONT) Toronto, CA (YTO)
Tue, 2/10 - Tue, 16/10
American Airlines - 2 Stops, Roundtrip, Economy
US$380
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Ontario, CA (ONT) Toronto, CA (YTO)
Fri, 9/11 - Mon, 12/11
United Airlines - 1 Stop, Roundtrip, Economy
US$436
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Ontario, CA (ONT) Toronto, CA (YTO)
Thu, 11/10 - Thu, 18/10
United Airlines - 1 Stop, Roundtrip, Economy
US$469
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Ontario, CA (ONT) Toronto, CA (YTO)
Fri, 12/10 - Sun, 14/10
United Airlines - 1 Stop, Roundtrip, Economy
US$539
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Ontario, CA (ONT) Toronto, CA (YTO)
Sun, 7/10 - Sat, 13/10
United Airlines - 2 Stops, Roundtrip, Economy
US$583
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Ontario, CA (ONT) Toronto, CA (YTO)
Fri, 21/9 - Sun, 23/9
United Airlines - 2 Stops, Roundtrip, Economy
US$861
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Ontario, CA (ONT) Toronto, CA (YTO)
Sat, 29/9 - Sun, 7/10
United Airlines - 1 Stop, Roundtrip, Economy
US$1,150
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Ontario, CA (ONT) Toronto, CA (YTO)
Sun, 23/9 - Thu, 27/9
Multiple Airlines - 2 Stops, Roundtrip, Economy
US$1,272
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*Prices are based on round trip travel with returns between 1-21 days after departure. These are the best fares found by travellers who searched TripAdvisor and a select group of our fare search partners in the past 72 hours. Ticket prices and seat availability change rapidly and cannot be guaranteed.
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Route information
  • Ontario, CA is 3,446 km from London
  • San Francisco, CA - SFO International Airport is the most popular connection for one stop flights between Ontario, CA and London
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Arrival information
  • London is 151 km from Pearson Intl Airport (Toronto, Canada).
  • Pearson Intl Airport (Toronto, Canada)
    • Right now, 78 airlines operate out of Pearson Intl Airport.
    • Pearson Intl Airport offers nonstop flights to 167 cities.
    • Every week, at least 3,018 domestic flights and 3,459 international flights depart from Pearson Intl Airport.
  • London is 80 km from Kitchener-Waterloo Regional Airport (Kitchener, Canada).
  • Kitchener-Waterloo Regional Airport (Kitchener, Canada)
    • Every week, at least 5 domestic flights depart from Kitchener-Waterloo Regional Airport.
  • London is 167 km from Toronto Island Airport (Toronto, Canada).
  • Toronto Island Airport (Toronto, Canada)
    • Right now, 2 airlines operate out of Toronto Island Airport.
    • Toronto Island Airport offers nonstop flights to 12 cities.
    • Every week, at least 222 domestic flights and 115 international flights depart from Toronto Island Airport.
  • London is 108 km from Hamilton Airport (Hamilton, Canada).
  • Hamilton Airport (Hamilton, Canada)
    • Right now, 4 airlines operate out of Hamilton Airport.
    • Hamilton Airport offers nonstop flights to 7 cities.
    • Every week, at least 44 domestic flights depart from Hamilton Airport.
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