August is the cheapest month to fly this route, with average fares around $193 round trip.
Average round-trip fares by departure month, based on current availability.
| Month | Avg Price | Lowest | Relative Cost | |
|---|---|---|---|---|
| May 2026 | $232 | $146 | Peak | |
| June 2026 | $195 | $146 | ||
| July 2026 | $202 | $168 | ||
| August 2026 | $193 | $163 | Best |
Departing on Tuesday offers the lowest average fares at $184. Sunday departures are the most expensive at $223, a difference of $39.
The best time to fly is August. Set up an alert and we'll notify you when prices drop.
Get Started Free →The cheapest month to fly from London to Frankfurt is August, with average round-trip fares around $193. The lowest fare found in August is $163.
Tuesday departures are the cheapest, averaging $184 round trip. The most expensive day is Sunday at $223.
Based on current pricing trends, booking for August travel offers the best value. Avoid May if possible, as fares average $232 compared to $193 in the cheapest month. July is a solid middle-ground option at $202.
Flying in August instead of May can save you approximately $39 per round trip. The cheapest month averages $193 while the most expensive averages $232.
Airlines, flight times, price calendar, and more for London to Frankfurt
View LHR → FRA Details