June is the cheapest month to fly this route, with average fares around $67 round trip.
Average round-trip fares by departure month, based on current availability.
| Month | Avg Price | Lowest | Relative Cost | |
|---|---|---|---|---|
| May 2026 | $143 | $61 | Peak | |
| June 2026 | $67 | $51 | Best | |
| July 2026 | $113 | $57 | ||
| August 2026 | $120 | $100 |
Departing on Wednesday offers the lowest average fares at $85. Friday departures are the most expensive at $127, a difference of $42.
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 London to Madrid is June, with average round-trip fares around $67. The lowest fare found in June is $51.
Wednesday departures are the cheapest, averaging $85 round trip. The most expensive day is Friday at $127.
Based on current pricing trends, booking for June travel offers the best value. Avoid May if possible, as fares average $143 compared to $67 in the cheapest month. August is a solid middle-ground option at $120.
Flying in June instead of May can save you approximately $76 per round trip. The cheapest month averages $67 while the most expensive averages $143.
Airlines, flight times, price calendar, and more for London to Madrid
View LHR → MAD Details