Flights from London to Seoul

The cheapest round-trip from London to Seoul is about 546 EUR, usually in November 2026; July 2026 is priciest, so booking the low month saves around 192 EUR (~26%). Typical fare ~579 EUR, from 331 priced fares. Flightmussy live data, updated 2026-06-13.

Cheap flights from London (LHR/LGW/STN/LTN/LCY) to Seoul (ICN/GMP). 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 Seoul

Cheapest round-trip seen: 546 EUR, usually around November 2026. Typical fare ~579 EUR. Across the year prices range roughly 546–738 EUR — about 26% cheaper in the low season than the peak (July 2026). Carriers on this route include Shenzhen, China Southern, Lufthansa, Asiana Airlines.

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 Seoul

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

Jun 2026698 EUR
Jul 2026738 EUR
Aug 2026647 EUR
Sep 2026596 EUR
Oct 2026596 EUR
Nov 2026546 EUR
Dec 2026567 EUR
Jan 2027558 EUR
Feb 2027558 EUR
Mar 2027558 EUR
Apr 2027562 EUR
May 2027591 EUR

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Frequently asked questions

What is the cheapest month to fly from London to Seoul?
The cheapest round-trip fares from London to Seoul start around 546 EUR and are typically lowest in November 2026; July 2026 is the most expensive. Fares swing about 26% across the year. (Flightmussy live data, updated 2026-06-13.)
How much does a flight from London to Seoul typically cost?
Typical round-trip is ~579 EUR; across the year fares run 546–738 EUR, cheapest 546 EUR in November 2026. Based on 331 priced fares, updated 2026-06-13.
How much can I save flying London to Seoul in the cheapest month?
Booking the November 2026 low instead of the July 2026 peak saves about 192 EUR (~26%) per round-trip. Updated 2026-06-13.
Which airlines fly from London to Seoul?
Carriers seen on London → Seoul in recent searches: Shenzhen, China Southern, Lufthansa, Asiana Airlines. Flightmussy compares every carrier serving London → Seoul, 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 Seoul?
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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