Destination guide · Europe
Cheap flights to London: LHR fares
Heathrow · United Kingdom. Compare total prices, watch the 90-day trend, and get alerts when fares to London drop.
Flying to London (LHR)
London Heathrow is Europe's busiest long-haul airport and the most competitive transatlantic market in the world, with multiple carriers flying every major US and Middle Eastern route. That rivalry is why London fares drop often — and why watching the trend pays off.
When to fly to London
January to March and late autumn carry the lowest fares, with May and June as shoulder-season sweet spots. July, August, and the Christmas period peak; transatlantic seats are cheapest two to five months out.
Cheapest months to fly to London
JanFebMarAprMayJunJulAugSepOctNovDecSeasonal guidance from this guide — never a fabricated price. The cheapest months to fly to London are usually Jan–Mar, May–Jun, Oct–Nov; the highlighted cells mark that window and everything else sits in the typical band. Shift your dates inside the highlighted months, then compare on the flight finder for London — or watch the route's 90-day trend and book when the curve dips.
Airports and arrival
Flights to London arrive at Heathrow (LHR), serving United Kingdom in Europe. Compare fares against nearby airports when your dates are flexible — switching arrival airport or flying midweek is often the fastest way to cut the total price, including baggage and seat fees.
Popular routes to London
New York to London · Los Angeles to London · Dubai to London · Singapore to London · Frankfurt to London
London flight questions
What is the cheapest time to fly to London?
The cheapest months to fly to London are usually Jan–Mar, May–Jun, Oct–Nov. January to March and late autumn carry the lowest fares, with May and June as shoulder-season sweet spots. July, August, and the Christmas period peak; transatlantic seats are cheapest two to five months out.
Which airport do flights to London land at?
Flights to London use Heathrow (LHR) in United Kingdom. London Heathrow is Europe's busiest long-haul airport and the most competitive transatlantic market in the world, with multiple carriers flying every major US and Middle Eastern route. That rivalry is why London fares drop often — and why watching the trend pays off.
How far in advance should I book flights to London?
Aim for about one to three months ahead on shorter routes and two to six months for long-haul flights to London, and add a month if you are traveling in a peak window. Inside that window, watch the route's 90-day trend on Fareloop and book when the fare sits in its lowest range instead of guessing a magic booking day.
How do I find cheap flights to London on Fareloop?
Set your origin and London (LHR) as the destination on the Fareloop flight finder, then sort by cheapest total price. Every fare card shows the total price for your travelers plus stops, duration, baggage, and the airline, and you can watch the route's 90-day trend to book when prices sit in their lowest range.
Cheap flights to North America destinations
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Cheap flights to Europe destinations
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Cheap flights to Africa destinations
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Cheap flights to Asia destinations
Mumbai · New Delhi · Tokyo · Seoul · Beijing · Hong Kong · Bangkok · Singapore · Bali
Cheap flights to South America destinations
São Paulo · Buenos Aires · Santiago · Bogotá