Flights from London to Lisbon

The cheapest round-trip from London to Lisbon is about 134 EUR, usually in October 2026; June 2026 is priciest, so booking the low month saves around 74 EUR (~36%). Typical fare ~134 EUR, from 243 priced fares. Flightmussy live data, updated 2026-06-13.

Cheap flights from London (LHR/LGW/STN/LTN/LCY) to Lisbon (LIS). Free, no signup, no ads, no tracking. Compare every airline across 12 months of fares on one heatmap — including low-cost carriers Google Flights often deprioritises.

Fare insights: London to Lisbon

Cheapest round-trip seen: 134 EUR, usually around October 2026. Typical fare ~134 EUR. Across the year prices range roughly 134–208 EUR — about 36% cheaper in the low season than the peak (June 2026). Carriers on this route include Vueling, Tap Air Portugal, British Airways, SWISS.

Based on Flightmussy's live 12-month fare data; prices last updated 2026-06-13. Prices change constantly — search live for current fares.

Cheapest fare by month: London to Lisbon

The lowest round-trip fare we found for each month over the coming year — low season versus peak at a glance. October 2026 is cheapest; June 2026 is priciest.

Jun 2026208 EUR
Jul 2026178 EUR
Aug 2026178 EUR
Sep 2026141 EUR
Oct 2026134 EUR
Nov 2026134 EUR
Dec 2026134 EUR
Jan 2027134 EUR
Feb 2027134 EUR

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Why search this route on Flightmussy

Frequently asked questions

What is the cheapest month to fly from London to Lisbon?
The cheapest round-trip fares from London to Lisbon start around 134 EUR and are typically lowest in October 2026; June 2026 is the most expensive. Fares swing about 36% across the year. (Flightmussy live data, updated 2026-06-13.)
How much does a flight from London to Lisbon typically cost?
Typical round-trip is ~134 EUR; across the year fares run 134–208 EUR, cheapest 134 EUR in October 2026. Based on 243 priced fares, updated 2026-06-13.
How much can I save flying London to Lisbon in the cheapest month?
Booking the October 2026 low instead of the June 2026 peak saves about 74 EUR (~36%) per round-trip. Updated 2026-06-13.
Which airlines fly from London to Lisbon?
Carriers seen on London → Lisbon in recent searches: Vueling, Tap Air Portugal, British Airways, SWISS. Flightmussy compares every carrier serving London → Lisbon, including budget airlines like Ryanair, easyJet, Wizz Air and AirAsia that Google Flights often deprioritises.
Do I need to sign up to search flights from London to Lisbon?
No. Flightmussy is free and requires no account, no email, and no credit card. Search, compare, and click through to book directly with the airline or booking partner.

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About Flightmussy

Flightmussy is a free, independent flight search for travellers anywhere in the world. No signup, no ads, no tracking — email is optional, only for route price alerts. Compare fares across every airline and see 12 months of prices at a glance, including the low-cost carriers Google Flights often buries. Book directly with the airline or a trusted partner — we never add a markup.

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Flightmussy runs its own 12-month forward fare scans across thousands of routes worldwide and publishes the data openly. Read the cheapest month to fly almost anywhere → — a global study of when fares are lowest — or browse the cheapest destinations from a city:

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