June is the cheapest month to fly this route, with average fares around $690 round trip.
Average round-trip fares by departure month, based on current availability.
| Month | Avg Price | Lowest | Relative Cost | |
|---|---|---|---|---|
| May 2026 | $702 | $687 | ||
| June 2026 | $690 | $637 | Best | |
| July 2026 | $721 | $689 | Peak | |
| August 2026 | $698 | $698 |
Departing on Sunday offers the lowest average fares at $701. Thursday departures are the most expensive at $711, a difference of $10.
The best time to fly is June. Set up an alert and we'll notify you when prices drop.
Get Started Free →The cheapest month to fly from Hong Kong to London is June, with average round-trip fares around $690. The lowest fare found in June is $637.
Sunday departures are the cheapest, averaging $701 round trip. The most expensive day is Thursday at $711.
Based on current pricing trends, booking for June travel offers the best value. Avoid July if possible, as fares average $721 compared to $690 in the cheapest month. May is a solid middle-ground option at $702.
Flying in June instead of July can save you approximately $31 per round trip. The cheapest month averages $690 while the most expensive averages $721.
Airlines, flight times, price calendar, and more for Hong Kong to London
View HKG → LHR Details