August is the cheapest month to fly this route, with average fares around $695 round trip.
Average round-trip fares by departure month, based on current availability.
| Month | Avg Price | Lowest | Relative Cost | |
|---|---|---|---|---|
| June 2026 | $831 | $743 | Peak | |
| July 2026 | $745 | $684 | ||
| August 2026 | $695 | $635 | Best |
Departing on Saturday offers the lowest average fares at $748. Friday departures are the most expensive at $763, a difference of $15.
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 New York to London is August, with average round-trip fares around $695. The lowest fare found in August is $635.
Saturday departures are the cheapest, averaging $748 round trip. The most expensive day is Friday at $763.
Based on current pricing trends, booking for August travel offers the best value. Avoid June if possible, as fares average $831 compared to $695 in the cheapest month. July is a solid middle-ground option at $745.
Flying in August instead of June can save you approximately $136 per round trip. The cheapest month averages $695 while the most expensive averages $831.
Airlines, flight times, price calendar, and more for New York to London
View JFK → LHR Details