Cheap Flights from Lisbon to London

The route from Lisbon to London covers about 1,565 km (972 miles). A nonstop flight, when scheduled, usually takes around 2h 35m gate to gate, although total trip time still depends on airport queues, transfer costs, and how early you need to arrive. Because this is one of the longer intra-European combinations in the batch, schedule quality matters almost as much as the headline price. If you only see one-stop options on your travel dates, connections through Amsterdam or Barcelona can widen the fare mix, but total journey time often stretches to 6 to 8 hours.

For many travelers, the cheapest time to fly from Lisbon to London is outside summer school holidays, December, and major event weekends. late January, February, and parts of November usually give you a better chance of seeing lower fares, especially if you can depart on Tuesday or Wednesday and avoid the busiest Friday-to-Sunday patterns. Shoulder-season trips are often the sweet spot on this business-meets-leisure route: you still get a strong travel experience in London, but airlines are not dealing with the same pressure they see during bank holidays, school breaks, or sold-out weekend peaks.

For this route, compare a mix of budget and full-service carriers rather than assuming one airline always wins on value.

• Ryanair: often one of the lowest headline fares if you can travel light.
• Vueling: often useful on Spain, Italy, and France city-pair schedules.
• TAP Air Portugal: frequently competitive on Portugal routes and well-timed European departures.
• British Airways: best for higher-frequency business-heavy timings from the UK.
• easyJet: often competitive on short-haul European routes with solid schedule choice.

London skyline and city-break atmosphere for this route.

Headline round-trip fares on this route often start around EUR 82 to EUR 127 in quieter periods. A more typical booking window lands closer to EUR 192 to EUR 257, while peak travel dates can push pricing toward EUR 316 to EUR 426 or higher. Fare swings usually come from holiday demand, limited low-cost inventory, and whether you want the most convenient departure bank. On short-haul Europe trips, baggage, seat selection, and airport-transfer costs can change the real total more than many travelers expect, so always compare like-for-like fares.

On this route, airport choice can save money only if the ground transfer still makes sense for your trip. Start with Humberto Delgado Airport on the Lisbon side and Heathrow Airport on the London side, then widen the search if the fare difference is meaningful.

• Origin side: Porto (OPO) if an open-jaw Portugal trip fits your plans better
• Origin side: Faro (FAO) if you are heading straight to the Algarve after landing
• Destination side: London Gatwick (LGW) for more low-cost and leisure-heavy schedules
• Destination side: London Stansted (STN) if budget carriers are your priority
• Destination side: London Luton (LTN) or London City (LCY) when convenience outweighs the lowest fare

London gives you museums, West End shows, neighborhood markets, and quick rail access across the UK, making it one of the easiest European cities to turn into a short break or a longer multi-city trip. If you are still planning the rest of the trip, see our London destination guide for more ideas before you book.

Airplane and route-planning visual for Lisbon to London.