Cheap flights from London to Toronto from $608 LCY, LGW, LHR, LTN, SEN, STN → YHM, YTZ, YYZ
London City Airport (LCY), London Gatwick Airport (LGW), London Heathrow Airport (LHR), London Luton Airport (LTN), London Southend Airport (SEN), Stansted Airport (STN) → Hamilton Airport (YHM), Toronto City Centre Airport (YTZ), Pearson International Airport (YYZ)
The cheapest return found recently is $608 with TAP Air Portugal, 8 Sept 2027 – 23 Sept 2027, found 2 hours ago.
- Cheapest return found recently
- $608, 8 Sept 2027 to 23 Sept 2027
- Usual return price
- $527 to $613
- Cheapest month to fly
- January 2027, return fares from $489 found in the last 7 days
- Airlines with nonstop flights
- Air Transat, Air Canada, Lufthansa, American Airlines, British Airways
Return
The cheapest return fare on each of 11 departure dates is usually $527 to $613.
Cheapest return found recently
$608
8 Sept 2027 – 23 Sept 2027 · TAP Air Portugal
London Gatwick Airport (LGW) → Pearson International Airport (YYZ)
Leaves 10:40 a.m. · Return leaves 10:35 a.m. · 32 h 25 min of travel, both ways together
out 1 stop, back 1 stop · via Lisbon Portela Airport (LIS) · 7 h connection
found 2 hours ago
Cheapest nonstop return
$649
8 Sept 2027 – 23 Sept 2027 · Air Transat
London Gatwick Airport (LGW) → Pearson International Airport (YYZ)
Leaves 12:40 p.m. · Return leaves 5:45 a.m. · 15 h of travel, both ways together
out nonstop, back nonstop
found 2 hours ago
Every nonstop date from London to Toronto
Found recently, and the cheapest we hold
$608 8 Sept 2027 – 23 Sept 2027found 2 hours agoSee prices for these dates
$489 24 Jan 2027 – 30 Jan 2027found 3 days agoSee prices for these dates
What have prices looked like?
Over 50 days, 24 Sept to 12 Nov, the cheapest return we saw each day was $432 to $555.
At $608, the cheapest return found recently is above that range.
Those were the prices on those days, not today's.
Is this a good return price?
Compared with the cheapest return fare on each of 11 departure dates from 22 Nov to 8 Sept 2027, found by travelers' searches in the last 7 days (economy, the price the seller showed on Aviasales). The usual range is the middle half of those prices.
Could nearby dates be cheaper?
We hold no other 15-night return fares leaving within 3 days of 8 Sept 2027 to compare.
Every date we hold
271 fares on 11 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 22 Nov – 4 Dec | $555 | Icelandair | London Heathrow Airport (LHR) → Pearson International Airport (YYZ) | out 1 stop, back 1 stop | found 6 days ago | See prices for these dates |
| 24 Nov – 29 Nov | $640 | Helvetic Airways | London City Airport (LCY) → Pearson International Airport (YYZ) | out 1 stop, back 1 stop | found 5 days ago | See prices for these dates |
| 10 Dec – 14 Jan 2027 | $510 | Icelandair | London Heathrow Airport (LHR) → Pearson International Airport (YYZ) | out 1 stop, back 1 stop | found 6 days ago | See prices for these dates |
| 14 Dec – 29 Dec | $765 | British Airways | London Heathrow Airport (LHR) → Pearson International Airport (YYZ) | out 1 stop, back 1 stop | found 5 days ago | See prices for these dates |
| 24 Jan 2027 – 30 Jan 2027 | $489 | Icelandair | London Heathrow Airport (LHR) → Pearson International Airport (YYZ) | out 1 stop, back 1 stop | found 3 days ago | See prices for these dates |
| 27 Jan 2027 – 7 Feb 2027 | $545 | Icelandair | London Heathrow Airport (LHR) → Pearson International Airport (YYZ) | out 1 stop, back 1 stop | found 7 days ago | See prices for these dates |
| 28 Jan 2027 – 9 Feb 2027 | $538 | Icelandair | London Heathrow Airport (LHR) → Pearson International Airport (YYZ) | out 1 stop, back 1 stop | found 7 days ago | See prices for these dates |
| 1 Feb 2027 – 10 Feb 2027 | $532 | Icelandair | London Heathrow Airport (LHR) → Pearson International Airport (YYZ) | out 1 stop, back 1 stop | found 7 days ago | See prices for these dates |
| 12 Mar 2027 – 20 Mar 2027 | $522 | Icelandair | London Heathrow Airport (LHR) → Pearson International Airport (YYZ) | out 1 stop, back 1 stop | found 7 days ago | See prices for these dates |
| 29 Jun 2027 – 14 Jul 2027 | $617 | British Airways | London Heathrow Airport (LHR) → Pearson International Airport (YYZ) | out 1 stop, back 1 stop | found 7 days ago | See prices for these dates |
| 8 Sept 2027 – 23 Sept 2027 | $608 | TAP Air Portugal | London Gatwick Airport (LGW) → Pearson International Airport (YYZ) | out 1 stop, back 1 stop | found 2 hours ago | See prices for these dates |
Which month looks cheapest?
January 2027 is the cheapest month — from $489.
Airlines on the cheapest dates: Icelandair, British Airways, Helvetic Airways, TAP Air Portugal.
Premium cabin fares from London to Toronto
We hold no premium economy, business or first-class fares for this route: we collect them for the busiest routes, and this one is not among them yet.
Today's prices for 8 Sept 2027 – 23 Sept 2027 in another cabin: Premium economy · Business · First
How far ahead were prices cheapest for London to Toronto?
Return
Fares 90 to 179 days before departure were typically 10% lower than 0 to 6 days before departure.
From the cheapest return each day between 24 Sept and 12 Nov (50 days), grouped by how many days ahead the flight left; one adult in economy.
Each range covers different departure dates, so this compares typical fares, not the same trip priced twice.
Prices reflect recent searches — current fares may differ.
See these ranges as a table
| Booked ahead by | Typical fare | Cheapest day | Above the cheapest | Days of prices |
|---|---|---|---|---|
| 0–6 days | $583 | $455 | +12% | 38 |
| 7–13 days | $576 | $446 | +10% | 29 |
| 14–29 days | $611 | $446 | +17% | 39 |
| 30–59 days | $540 | $432 | +3% | 47 |
| 60–89 days | $570 | $489 | +9% | 48 |
| 90–179 days | $522 | $476 | Cheapest seen | 48 |
| 180+ days | $541 | $447 | +4% | 44 |
Live price for these dates
The cheapest return found recently is for 8 Sept 2027 – 23 Sept 2027. A live search on this page shows what those dates cost now, for one adult in economy.
Questions about this trip
How much is a return flight from London to Toronto?
The cheapest return found recently is $608 with TAP Air Portugal, 8 Sept 2027 to 23 Sept 2027, found 2 hours ago. The cheapest return we hold, of any age, is $489 with Icelandair, 24 Jan 2027 to 30 Jan 2027, found 3 days ago. The cheapest return fare on each of 11 departure dates is usually $527 to $613.
What is the cheapest month to fly from London to Toronto?
January 2027 is the cheapest month for a return, from $489, 24 Jan 2027 to 30 Jan 2027, found 3 days ago.
How far ahead should I book a flight from London to Toronto?
In 50 days of prices between 24 Sept and 12 Nov, return fares 90 to 179 days before departure were typically 10% lower than 0 to 6 days before departure.
Is there a direct flight from London to Toronto?
Yes, the cheapest nonstop return found recently is $649 with Air Transat, 8 Sept 2027 to 23 Sept 2027, found 2 hours ago.
Which airlines have the cheapest flights from London to Toronto?
Between 22 Nov and 8 Sept 2027, Icelandair has the cheapest return on 7 of the 11 departure dates we hold, British Airways on 2 and Helvetic Airways on 1.
Prices are what travelers' searches on Aviasales found in the last 7 days, in US dollars: the price the seller showed on Aviasales; bags may cost extra. Fares change, so check today's price before you book. How our prices work