Flights from London to Warsaw

The cheapest round-trip from London to Warsaw is about 51 EUR, usually in September 2026; August 2026 is priciest, so booking the low month saves around 58 EUR (~54%). Typical fare ~62 EUR, from 331 priced fares. Flightmussy live data, updated 2026-06-13.

Cheap flights from London (LHR/LGW/STN/LTN/LCY) to Warsaw (WAW/WMI). 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 Warsaw

Cheapest round-trip seen: 51 EUR, usually around September 2026. Typical fare ~62 EUR. Across the year prices range roughly 51–109 EUR — about 54% cheaper in the low season than the peak (August 2026). Carriers on this route include LOT, KLM, Lufthansa, British Airways.

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 Warsaw

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

Jun 202660 EUR
Jul 202654 EUR
Aug 2026109 EUR
Sep 202651 EUR
Oct 202651 EUR
Nov 202669 EUR
Dec 202669 EUR
Jan 202762 EUR
Feb 202762 EUR
Mar 202760 EUR
Apr 202762 EUR
May 202774 EUR

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Why search this route on Flightmussy

Frequently asked questions

What is the cheapest month to fly from London to Warsaw?
The cheapest round-trip fares from London to Warsaw start around 51 EUR and are typically lowest in September 2026; August 2026 is the most expensive. Fares swing about 54% across the year. (Flightmussy live data, updated 2026-06-13.)
How much does a flight from London to Warsaw typically cost?
Typical round-trip is ~62 EUR; across the year fares run 51–109 EUR, cheapest 51 EUR in September 2026. Based on 331 priced fares, updated 2026-06-13.
How much can I save flying London to Warsaw in the cheapest month?
Booking the September 2026 low instead of the August 2026 peak saves about 58 EUR (~54%) per round-trip. Updated 2026-06-13.
Which airlines fly from London to Warsaw?
Carriers seen on London → Warsaw in recent searches: LOT, KLM, Lufthansa, British Airways. Flightmussy compares every carrier serving London → Warsaw, 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 Warsaw?
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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