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Cheap flights from Toronto to Slough

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      Travelers and cabin class, 1 Adult, Economy

      Compare Toronto to Slough flight deals

      Find the cheapest month or even day of the year to fly to Slough

      Book the best Slough fare with no extra fees

      Flight deals from Toronto to Slough

      Looking for a cheap last-minute deal or the best round-trip flight from Toronto to Slough? Find the lowest prices on one-way and round-trip tickets right here.
      London.$477 per passenger.Departing Wed, Nov 18, returning Wed, Nov 25.Round-trip flight with Icelandair.Outbound indirect flight with Icelandair, departing from Toronto Pearson International on Wed, Nov 18, arriving in London Heathrow.Inbound indirect flight with Icelandair, departing from London Heathrow on Wed, Nov 25, arriving in Toronto Pearson International.Price includes taxes and charges.From $477, select.
      London.$478 per passenger.Departing Wed, Nov 25, returning Thu, Dec 10.Round-trip flight with Icelandair.Outbound indirect flight with Icelandair, departing from Toronto Pearson International on Wed, Nov 25, arriving in London Heathrow.Inbound indirect flight with Icelandair, departing from London Heathrow on Thu, Dec 10, arriving in Toronto Pearson International.Price includes taxes and charges.From $478, select.
      London.$496 per passenger.Departing Tue, Feb 9, returning Sat, Feb 27.Round-trip flight with Icelandair.Outbound indirect flight with Icelandair, departing from Toronto Pearson International on Tue, Feb 9, arriving in London Heathrow.Inbound indirect flight with Icelandair, departing from London Heathrow on Sat, Feb 27, arriving in Toronto Pearson International.Price includes taxes and charges.From $496, select.
      London.$497 per passenger.Departing Tue, Dec 1, returning Thu, Dec 10.Round-trip flight with Icelandair.Outbound indirect flight with Icelandair, departing from Toronto Pearson International on Tue, Dec 1, arriving in London Heathrow.Inbound indirect flight with Icelandair, departing from London Heathrow on Thu, Dec 10, arriving in Toronto Pearson International.Price includes taxes and charges.From $497, select.
      London.$497 per passenger.Departing Fri, Dec 11, returning Sat, Jan 16.Round-trip flight with Icelandair.Outbound indirect flight with Icelandair, departing from Toronto Pearson International on Fri, Dec 11, arriving in London Heathrow.Inbound indirect flight with Icelandair, departing from London Heathrow on Sat, Jan 16, arriving in Toronto Pearson International.Price includes taxes and charges.From $497, select.
      London.$497 per passenger.Departing Thu, Jan 14, returning Sat, Jan 30.Round-trip flight with Icelandair.Outbound indirect flight with Icelandair, departing from Toronto Pearson International on Thu, Jan 14, arriving in London Heathrow.Inbound indirect flight with Icelandair, departing from London Heathrow on Sat, Jan 30, arriving in Toronto Pearson International.Price includes taxes and charges.From $497, select.
      London.$498 per passenger.Departing Sat, Jan 30, returning Sat, Feb 27.Round-trip flight with Icelandair.Outbound indirect flight with Icelandair, departing from Toronto Pearson International on Sat, Jan 30, arriving in London Heathrow.Inbound indirect flight with Icelandair, departing from London Heathrow on Sat, Feb 27, arriving in Toronto Pearson International.Price includes taxes and charges.From $498, select.
      London.$499 per passenger.Departing Mon, Nov 30, returning Tue, Jan 19.Round-trip flight with Icelandair.Outbound indirect flight with Icelandair, departing from Toronto Pearson International on Mon, Nov 30, arriving in London Heathrow.Inbound indirect flight with Icelandair, departing from London Heathrow on Tue, Jan 19, arriving in Toronto Pearson International.Price includes taxes and charges.From $499, select.
      London.$499 per passenger.Departing Tue, Dec 15, returning Mon, Feb 1.Round-trip flight with Icelandair.Outbound indirect flight with Icelandair, departing from Toronto Pearson International on Tue, Dec 15, arriving in London Heathrow.Inbound indirect flight with Icelandair, departing from London Heathrow on Mon, Feb 1, arriving in Toronto Pearson International.Price includes taxes and charges.From $499, select.
      London.$500 per passenger.Departing Sun, Nov 29, returning Tue, Feb 2.Round-trip flight with Icelandair.Outbound indirect flight with Icelandair, departing from Toronto Pearson International on Sun, Nov 29, arriving in London Heathrow.Inbound indirect flight with Icelandair, departing from London Heathrow on Tue, Feb 2, arriving in Toronto Pearson International.Price includes taxes and charges.From $500, select.
      London.$519 per passenger.Departing Sat, Feb 27, returning Thu, Mar 4.Round-trip flight with Icelandair.Outbound indirect flight with Icelandair, departing from Toronto Pearson International on Sat, Feb 27, arriving in London Heathrow.Inbound indirect flight with Icelandair, departing from London Heathrow on Thu, Mar 4, arriving in Toronto Pearson International.Price includes taxes and charges.From $519, select.
      London.$520 per passenger.Departing Mon, Oct 26, returning Fri, Nov 13.Round-trip flight with Icelandair.Outbound indirect flight with Icelandair, departing from Toronto Pearson International on Mon, Oct 26, arriving in London Heathrow.Inbound indirect flight with Icelandair, departing from London Heathrow on Fri, Nov 13, arriving in Toronto Pearson International.Price includes taxes and charges.From $520, select.
      London.$520 per passenger.Departing Sun, Jan 31, returning Tue, Mar 9.Round-trip flight with Icelandair.Outbound indirect flight with Icelandair, departing from Toronto Pearson International on Sun, Jan 31, arriving in London Heathrow.Inbound indirect flight with Icelandair, departing from London Heathrow on Tue, Mar 9, arriving in Toronto Pearson International.Price includes taxes and charges.From $520, select.
      London.$520 per passenger.Departing Fri, Oct 23, returning Fri, Jan 29.Round-trip flight with Icelandair.Outbound indirect flight with Icelandair, departing from Toronto Pearson International on Fri, Oct 23, arriving in London Heathrow.Inbound indirect flight with Icelandair, departing from London Heathrow on Fri, Jan 29, arriving in Toronto Pearson International.Price includes taxes and charges.From $520, select.
      London.$520 per passenger.Departing Sun, Oct 25, returning Fri, Dec 25.Round-trip flight with Icelandair.Outbound indirect flight with Icelandair, departing from Toronto Pearson International on Sun, Oct 25, arriving in London Heathrow.Inbound indirect flight with Icelandair, departing from London Heathrow on Fri, Dec 25, arriving in Toronto Pearson International.Price includes taxes and charges.From $520, select.
      London.$522 per passenger.Departing Fri, Oct 23, returning Sun, Feb 21.Round-trip flight with Icelandair.Outbound indirect flight with Icelandair, departing from Toronto Pearson International on Fri, Oct 23, arriving in London Heathrow.Inbound indirect flight with Icelandair, departing from London Heathrow on Sun, Feb 21, arriving in Toronto Pearson International.Price includes taxes and charges.From $522, select.
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      How did we find these deals? The deals you see here are the lowest prices for flight tickets from Toronto to Slough found in the last 12 days, and are subject to change and availability.

      Toronto to Slough: Flight information

      The things to know before you go.
      Fly intoLondon Heathrow Airport
      Distance to Slough10.8 km
      Cheapest flight$477
      Cheapest month to flyNovember
      Most popular airlineLufthansa
      Average flight time7 hrs, 13 mins

      Find the cheapest month to fly from Toronto to Slough

      We always keep an eye on fares, so you can find the best flight deal in seconds. It looks like Toronto to Slough flights are currently cheapest in November. We’ve based this on flights into London Heathrow Airport.
      Sep
      from $628
      Oct
      from $540
      Nov
      from $477
      Dec
      from $497
      Jan
      from $497
      Feb
      from $496
      Mar
      from $540
      Apr
      from $569
      May
      from $578
      Jun
      from $695
      Jul
      from $772
      Aug
      from $771

      Finding cheap flights from Toronto to Slough: Frequently asked questions

      There are three (3) airports near Slough: London Heathrow Airport, London Luton Airport, and London City Airport.
      The best price we found for a round-trip flight from Toronto to Slough is $477. 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.
      Lufthansa, Austrian Airlines, and Air Canada all offer direct flights to London Heathrow Airport.
      We've checked every Toronto to Slough fare we could find, and the cheapest upcoming date to fly seems to be on Wednesday, November 18, 2026. Overall, the cheapest month to fly from Toronto to Slough is usually November.
      If you're flying from Toronto, the cheapest airport near Slough is London Heathrow – which is 10.8 km away from the center of Slough. We've found flights to this airport from $477.
      After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Toronto to Slough on Wednesday, November 18, 2026.
      No airlines currently offer direct flights between Toronto and Slough. Most routes have one or more stops.
      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 Slough 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 Slough is around 40 days in advance, so don’t leave your flight to the last minute.

      London Heathrow Airport is 10.8km from Slough, London Luton Airport is 43.7km from Slough, and London City Airport is 44.7km from Slough.
      London Heathrow Airport is closest to Slough, at around 10.8 km away.
      The cheapest airline that flies to Slough is Icelandair, and the cheapest airline that flies to London Luton Airport is British Airways.