June is the cheapest month to fly this route, with average fares around $76 round trip.
Average round-trip fares by departure month, based on current availability.
| Month | Avg Price | Lowest | Relative Cost | |
|---|---|---|---|---|
| May 2026 | $88 | $46 | ||
| June 2026 | $76 | $40 | Best | |
| July 2026 | $175 | $111 | Peak | |
| August 2026 | $144 | $126 |
Departing on Thursday offers the lowest average fares at $110. Monday departures are the most expensive at $136, a difference of $26.
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 Warsaw to London is June, with average round-trip fares around $76. The lowest fare found in June is $40.
Thursday departures are the cheapest, averaging $110 round trip. The most expensive day is Monday at $136.
Based on current pricing trends, booking for June travel offers the best value. Avoid July if possible, as fares average $175 compared to $76 in the cheapest month. August is a solid middle-ground option at $144.
Flying in June instead of July can save you approximately $99 per round trip. The cheapest month averages $76 while the most expensive averages $175.
Airlines, flight times, price calendar, and more for Warsaw to London
View WAW → LHR Details