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Cheap flights from Toronto to Harmondsworth

Compare Toronto to Harmondsworth flight deals

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

Book the best Harmondsworth fare with no extra fees

Flight deals from Toronto to Harmondsworth

Looking for a cheap last-minute deal or the best round-trip flight from Toronto to Harmondsworth? Find the lowest prices on one-way and round-trip tickets right here.
London.$495 per passenger.Departing Mon, Jul 20, returning Sun, Aug 23.Round-trip flight with WestJet and Aer Lingus.Outbound indirect flight with WestJet, departing from Toronto Pearson International on Mon, Jul 20, arriving in London Heathrow.Inbound indirect flight with Aer Lingus, departing from London Heathrow on Sun, Aug 23, arriving in Toronto Pearson International.Price includes taxes and charges.From $495, select.
London.$499 per passenger.Departing Sun, Nov 1, returning Tue, Nov 3.Round-trip flight with Air Canada.Outbound indirect flight with Air Canada, departing from Toronto Pearson International on Sun, Nov 1, arriving in London Heathrow.Inbound indirect flight with Air Canada, departing from London Heathrow on Tue, Nov 3, arriving in Toronto Pearson International.Price includes taxes and charges.From $499, select.
London.$500 per passenger.Departing Sun, Jan 24, returning Tue, Jan 26.Round-trip flight with Air Canada.Outbound indirect flight with Air Canada, departing from Toronto Pearson International on Sun, Jan 24, arriving in London Heathrow.Inbound indirect flight with Air Canada, departing from London Heathrow on Tue, Jan 26, arriving in Toronto Pearson International.Price includes taxes and charges.From $500, select.
London.$524 per passenger.Departing Fri, Sep 4, returning Wed, Sep 9.Round-trip flight with WestJet and Aer Lingus.Outbound indirect flight with WestJet, departing from Toronto Pearson International on Fri, Sep 4, arriving in London Heathrow.Inbound indirect flight with Aer Lingus, departing from London Heathrow on Wed, Sep 9, arriving in Toronto Pearson International.Price includes taxes and charges.From $524, select.
London.$535 per passenger.Departing Wed, Aug 5, returning Wed, Sep 2.Round-trip flight with WestJet and Aer Lingus.Outbound indirect flight with WestJet, departing from Toronto Pearson International on Wed, Aug 5, arriving in London Heathrow.Inbound indirect flight with Aer Lingus, departing from London Heathrow on Wed, Sep 2, arriving in Toronto Pearson International.Price includes taxes and charges.From $535, select.
London.$536 per passenger.Departing Fri, Aug 7, returning Thu, Aug 27.Round-trip flight with WestJet and Aer Lingus.Outbound indirect flight with WestJet, departing from Toronto Pearson International on Fri, Aug 7, arriving in London Heathrow.Inbound indirect flight with Aer Lingus, departing from London Heathrow on Thu, Aug 27, arriving in Toronto Pearson International.Price includes taxes and charges.From $536, select.
London.$544 per passenger.Departing Sun, Jul 26, returning Tue, Sep 1.Round-trip flight with WestJet and Aer Lingus.Outbound indirect flight with WestJet, departing from Toronto Pearson International on Sun, Jul 26, arriving in London Heathrow.Inbound indirect flight with Aer Lingus, departing from London Heathrow on Tue, Sep 1, arriving in Toronto Pearson International.Price includes taxes and charges.From $544, select.
London.$551 per passenger.Departing Wed, Oct 7, returning Mon, Oct 19.Round-trip flight with TAP Air Portugal.Outbound indirect flight with TAP Air Portugal, departing from Toronto Pearson International on Wed, Oct 7, arriving in London Heathrow.Inbound indirect flight with TAP Air Portugal, departing from London Heathrow on Mon, Oct 19, arriving in Toronto Pearson International.Price includes taxes and charges.From $551, select.
London.$572 per passenger.Departing Thu, Sep 24, returning Fri, Oct 9.Round-trip flight with Icelandair.Outbound indirect flight with Icelandair, departing from Toronto Pearson International on Thu, Sep 24, arriving in London Heathrow.Inbound indirect flight with Icelandair, departing from London Heathrow on Fri, Oct 9, arriving in Toronto Pearson International.Price includes taxes and charges.From $572, select.
London.$576 per passenger.Departing Fri, Dec 4, returning Mon, Dec 7.Round-trip flight with Icelandair.Outbound indirect flight with Icelandair, departing from Toronto Pearson International on Fri, Dec 4, arriving in London Heathrow.Inbound indirect flight with Icelandair, departing from London Heathrow on Mon, Dec 7, arriving in Toronto Pearson International.Price includes taxes and charges.From $576, select.
London.$578 per passenger.Departing Fri, Nov 27, returning Sat, Dec 5.Round-trip flight with Icelandair.Outbound indirect flight with Icelandair, departing from Toronto Pearson International on Fri, Nov 27, arriving in London Heathrow.Inbound indirect flight with Icelandair, departing from London Heathrow on Sat, Dec 5, arriving in Toronto Pearson International.Price includes taxes and charges.From $578, select.
London.$581 per passenger.Departing Wed, Oct 7, returning Wed, Nov 4.Round-trip flight with Icelandair.Outbound indirect flight with Icelandair, departing from Toronto Pearson International on Wed, Oct 7, arriving in London Heathrow.Inbound indirect flight with Icelandair, departing from London Heathrow on Wed, Nov 4, arriving in Toronto Pearson International.Price includes taxes and charges.From $581, select.
London.$584 per passenger.Departing Mon, Sep 28, returning Fri, Nov 27.Round-trip flight with TAP Air Portugal.Outbound indirect flight with TAP Air Portugal, departing from Toronto Pearson International on Mon, Sep 28, arriving in London Heathrow.Inbound indirect flight with TAP Air Portugal, departing from London Heathrow on Fri, Nov 27, arriving in Toronto Pearson International.Price includes taxes and charges.From $584, select.
London.$585 per passenger.Departing Sun, Feb 21, returning Sat, Feb 27.Round-trip flight with TAP Air Portugal.Outbound indirect flight with TAP Air Portugal, departing from Toronto Pearson International on Sun, Feb 21, arriving in London Heathrow.Inbound indirect flight with TAP Air Portugal, departing from London Heathrow on Sat, Feb 27, arriving in Toronto Pearson International.Price includes taxes and charges.From $585, select.
London.$586 per passenger.Departing Sun, Jan 31, returning Fri, Feb 12.Round-trip flight with TAP Air Portugal.Outbound indirect flight with TAP Air Portugal, departing from Toronto Pearson International on Sun, Jan 31, arriving in London Heathrow.Inbound indirect flight with TAP Air Portugal, departing from London Heathrow on Fri, Feb 12, arriving in Toronto Pearson International.Price includes taxes and charges.From $586, select.
London.$586 per passenger.Departing Fri, Feb 19, returning Mon, Mar 15.Round-trip flight with TAP Air Portugal.Outbound indirect flight with TAP Air Portugal, departing from Toronto Pearson International on Fri, Feb 19, arriving in London Heathrow.Inbound indirect flight with TAP Air Portugal, departing from London Heathrow on Mon, Mar 15, arriving in Toronto Pearson International.Price includes taxes and charges.From $586, select.
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Toronto to Harmondsworth: Flight information

The things to know before you go.
Fly intoLondon Heathrow Airport
Distance to Harmondsworth2.5 km
Cheapest flight$495
Cheapest month to flyJuly
Most popular airlineLufthansa
Average flight time7 hrs, 12 mins

Find the cheapest month to fly from Toronto to Harmondsworth

We always keep an eye on fares, so you can find the best flight deal in seconds. It looks like Toronto to Harmondsworth flights are currently cheapest in July. We’ve based this on flights into London Heathrow Airport.
Jul
from $683
Aug
from $536
Sep
from $524
Oct
from $551
Nov
from $499
Dec
from $576
Jan
from $500
Feb
from $585
Mar
from $586
Apr
from $634
May
from $688
Jun
from $706

Finding cheap flights from Toronto to Harmondsworth: Frequently asked questions

There are three (3) airports near Harmondsworth: London Heathrow Airport, London City Airport, and London Gatwick Airport.
The best price we found for a round-trip flight from Toronto to Harmondsworth is $495. 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, Air Canada, and Austrian Airlines all offer direct flights to London Heathrow Airport.
We've checked every Toronto to Harmondsworth fare we could find, and the cheapest upcoming date to fly seems to be on Monday, July 20, 2026. Overall, the cheapest month to fly from Toronto to Harmondsworth is usually July.
If you're flying from Toronto, the cheapest airport near Harmondsworth is London Heathrow – which is 2.5 km away from the center of Harmondsworth. We've found flights to this airport from $495.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Toronto to Harmondsworth on Monday, July 20, 2026.
No airlines currently offer direct flights between Toronto and Harmondsworth. 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 Harmondsworth 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 Harmondsworth is around 40 days in advance, so don’t leave your flight to the last minute.

London Heathrow Airport is 2.5km from Harmondsworth, London City Airport is 36.4km from Harmondsworth, and London Gatwick Airport is 42.6km from Harmondsworth.
London Heathrow Airport is closest to Harmondsworth, at around 2.5 km away.
The cheapest airline that flies to Harmondsworth is WestJet, and the cheapest airline that flies to London City Airport is KLM.