Cheap Flights from Toronto to London

Round-trip economy fares between Toronto (YYZ) and London (LHR) average A$724 across the year. Book for January and typical prices fall to A$594. The 5,707 km hop takes about 7.3 hours non-stop, and the nicest window to visit London is May – September.

YYZ LHR 5,707 km · ~7.3h non-stop

Today's tracked low

A$529 −11% vs. seasonal low

Not flying from Toronto? See London deals from your nearest hub.

When is the cheapest time to fly from Toronto to London?

Average round-trip economy fare by departure month. January is the statistical sweet spot at A$594.

Average round-trip fares from Toronto to London by month
Month Avg. round-trip vs. yearly average
January Cheapest A$594 −A$130
February A$608 −A$116
March A$681 −A$43
April A$738 +A$14
May A$796 +A$72
June A$869 +A$145
July A$912 +A$188
August A$883 +A$159
September A$753 +A$29
October A$695 −A$29
November A$637 −A$87
December A$782 +A$58

Travel Readiness & Connectivity — United Kingdom

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Toronto to London flight FAQs

What is the cheapest month to fly from Toronto to London?
January is typically cheapest, with round-trips from A$594 — about A$130 under the yearly average of A$724.
How long is the flight from Toronto to London?
Non-stop services cover the 5,707 km route in roughly 7.3 hours.
When is the best time to visit London?
May – September. Entry requirements: UK ETA required for visa-exempt nationals since 2025.

London from other departure cities