Cheap flights from Toronto to London from C$366 YHM, YTZ, YYZ → LCY, LGW, LHR, LTN, STN

Found recently, and the cheapest we hold

It is also the cheapest return we hold, of any age.

What have prices looked like?

Over 49 days, 24 Sept to 11 Nov, the cheapest return we saw each day was C$623 (US$437) to C$723 (US$507).

Those were the prices on those days, not today's.

Could nearby dates be cheaper?

No. We hold 4-night return fares on 1 other departure date within 3 days of 12 Jan 2027, and it is not cheaper.

Every date we hold

475 fares on 18 departure dates

Which month looks cheapest?

January 2027 is the cheapest month — from C$710 (US$498).

Found recently, and the cheapest we hold

It is also the cheapest one-way we hold, of any age.

What have prices looked like?

Over 49 days, 24 Sept to 11 Nov, the cheapest one-way we saw each day was C$285 (US$200) to C$499 (US$350).

Those were the prices on those days, not today's.

Could nearby dates be cheaper?

We hold no other one-way fares leaving within 3 days of 6 Dec to compare.

Every date we hold

29 fares on 3 departure dates

Which month looks cheapest?

December 2026 is the cheapest month — from C$366 (US$257).

Return

Fares 90 to 179 days before departure were typically 18% lower than 0 to 6 days before departure.

From the cheapest return each day between 24 Sept and 11 Nov (49 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.

One-way

The cheapest fares were 0 to 6 days before departure.

From the cheapest one-way each day between 24 Sept and 11 Nov (49 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.

How much is a return flight from Toronto to London?

The cheapest return found recently is C$710 (US$498) with Icelandair, 12 Jan 2027 to 16 Jan 2027, found 2 days ago. The cheapest return fare on each of 18 departure dates is usually C$825 (US$579) to C$1,153 (US$809).

How much is a one-way flight from Toronto to London?

The cheapest one-way found recently is C$366 (US$257) with Porter Airlines Canada, 6 Dec, found 2 days ago. The cheapest one-way fare on each of 3 departure dates is usually C$407 (US$286) to C$480 (US$337).

What is the cheapest month to fly from Toronto to London?

January 2027 is the cheapest month for a return, from C$710 (US$498), 12 Jan 2027 to 16 Jan 2027, found 2 days ago. December 2026 is the cheapest month for a one-way, from C$366 (US$257), 6 Dec, found 2 days ago.

How far ahead should I book a flight from Toronto to London?

In 49 days of prices between 24 Sept and 11 Nov, return fares 90 to 179 days before departure were typically 18% lower than 0 to 6 days before departure. One-way fares were cheapest 0 to 6 days before departure.

Is there a direct flight from Toronto to London?

Yes, the cheapest nonstop return found recently is C$850 (US$596) with Air Transat, 3 Dec to 6 Dec, found 2 days ago. The cheapest nonstop one-way found recently is C$448 (US$314) with Air Transat, 10 Dec, found 2 days ago.

Every nonstop date from Toronto to London

How long is the flight from Toronto to London?

The cheapest nonstop one-way found recently, with Air Transat on 10 Dec, takes 7 h 10 min from Pearson International Airport (YYZ) to London Gatwick Airport (LGW). The cheapest one-way found recently, with Porter Airlines Canada on 6 Dec, takes 23 h 40 min with 2 stops.

Which airlines have the cheapest flights from Toronto to London?

Between 13 Nov and 22 Jul 2027, American Airlines has the cheapest return on 5 of the 18 departure dates we hold, Air Transat on 4 and TAP Air Portugal on 4. Between 6 Dec and 6 Jul 2027, Porter Airlines Canada has the cheapest one-way on 1 of the 3 departure dates we hold, Air Transat on 1 and TAP Air Portugal on 1.