Cheap flights from London
The cheapest round trips from London right now are Barcelona (£55), Paris (£64), and Madrid (£87). We check fares from LHR twice a day.
Join to get alerts- Airports we check
- LHR
- Destinations priced
- 31 destinations
- Cheapest today
- Barcelona · £55
- Updated
- November 11, 2026
Flying from London
London has six airports, from Heathrow to Gatwick, Stansted and Luton, and more flights than almost any city in the world. Low-cost airlines make short trips across Europe cheap, and transatlantic competition is strong.
Cheapest destinations from London
Cheapest round trip per city, from fares seen on November 11, 2026.
The cheapest trip for each month
The lowest round trip from London by departure month.
Questions about flights from London
What is the cheapest place to fly from London?
Barcelona, from £55 round trip for travel in January 2027. Next are Paris (£64) and Madrid (£87).
What is the cheapest month to fly from London?
January 2027: that's when we found the lowest fare, £55 round trip to Barcelona.
Which cheap flights from London are nonstop?
Among the cheapest fares we found, these were nonstop: Barcelona (£55), Paris (£64), Madrid (£87), Dublin (£89), Milan (£109), and Copenhagen (£112).
Fares like these don't wait
Members get an alert when a fare from their city drops far below normal, with the dates and a link to book.
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Fares are the cheapest round trips we found for these routes, checked once a day. Prices change fast, so always check the final price before you book.