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.
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.
| 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 |
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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.