YYZ to LHR: distance bands, operating airlines, connection choices and disruption evidence for this direction of travel.
Examples, not a daily timetable. Confirm the operating airline, airports and stops on your booking.
The great-circle distance between YYZ and LHR is approximately 5,708 km, in the over 3,500 km band. This endpoint calculation does not add detours. For a through connection, check the original departure and last ticketed destination before selecting a compensation band.
Toronto Pearson is YYZ; Billy Bishop is YTZ, and Hamilton is YHM. A replacement sold as Toronto may use another airport, so keep the code and onward-transfer agreement. Heathrow–Toronto also has a Canadian passenger-rights dimension; a Canadian award and a UK award are not simply added for the same event.
YYZ–LHR begins outside the EU/UK. A standalone UK arrival generally needs a UK or EU operating carrier for UK261; a non-UK/non-EU operator is not covered by destination alone. Show any earlier same-reservation departure before applying this standalone-sector rule.
For a domestic Canadian connection after Pearson, retain the entire reservation and final arrival. The Toronto-origin return is operator-dependent under UK261: British Airways is a UK example, while a non-UK/non-EU carrier requires a different analysis. Keep the airline's written cause for a separate Canadian APPR review.
Heathrow's crucial distinction is between a protected airside connection and two flights you booked separately. The terminal-transfer route, baggage collection and border formalities can differ even when both tickets say LHR.
Feroz Sheikh · Founder and editor, Doha, QatarReviewed 29 September 2026 · Not legal advice · Not a named lawyer review
About the editorPreliminary guidance, not legal advice or a compensation guarantee. Check your booking and official sources.