Fares Found From 20 Cities to London
*Round-trip fares based on recent searches. Prices may have changed. Updated multiple times daily.
When to Fly to London
Chelsea Flower Show
Peak: May 20, 2026
Wimbledon Championships
Peak: July 12, 2026
Christmas Markets and Winter Wonderland
Peak: December 15, 2026
Experience the vibrant Chelsea Flower Show, a once-in-a-lifetime horticultural event, during your visit to London this spring.
Frequently Asked Questions
How much do flights to London cost?
Round-trip fares to London have recently been found from around $109 from Frankfurt. Prices vary by origin city and time of year. We check fares daily from 20 US cities.
What is the cheapest month to fly to London?
Flight prices to London fluctuate throughout the year. Our GO Score algorithm tracks daily prices and flags when fares drop below average. Check back regularly as scores update daily, or browse our "When to Fly" section above for timing insights.
Which US city has the cheapest flights to London?
Based on recent searches, Frankfurt (FRA) currently has the cheapest fares to London at around $109 round-trip.
What is the best time to visit London?
Right now is notable for London: Chelsea Flower Show. Our GO Score (currently 58/100) combines flight prices, weather, events, and currency data to find the best travel windows.
How long is the flight to London?
Flight times to London vary depending on your departure city and whether you fly direct or with connections. Check individual route pages for more details and to compare fares from your nearest airport.
Fares found from Frankfurt (FRA). Prices may vary.
