May is the cheapest month to fly this route, with average fares around $581 round trip.
Average round-trip fares by departure month, based on current availability.
| Month | Avg Price | Lowest | Relative Cost | |
|---|---|---|---|---|
| May 2026 | $581 | $576 | Best | |
| June 2026 | $620 | $569 | ||
| July 2026 | $784 | $759 | ||
| August 2026 | $798 | $796 | Peak |
Departing on Thursday offers the lowest average fares at $679. Wednesday departures are the most expensive at $706, a difference of $27.
The best time to fly is May. Set up an alert and we'll notify you when prices drop.
Get Started Free →The cheapest month to fly from Toronto to London is May, with average round-trip fares around $581. The lowest fare found in May is $576.
Thursday departures are the cheapest, averaging $679 round trip. The most expensive day is Wednesday at $706.
Based on current pricing trends, booking for May travel offers the best value. Avoid August if possible, as fares average $798 compared to $581 in the cheapest month. July is a solid middle-ground option at $784.
Flying in May instead of August can save you approximately $217 per round trip. The cheapest month averages $581 while the most expensive averages $798.
Airlines, flight times, price calendar, and more for Toronto to London
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