AirHint found the following cheapest return flights from Seoul (GMP) to London (LHR) in July 2026 (see full year).

Return flights

03 Jul - 15 Jul	Air China
07 Jul - 16 Jul	Air China
07 Jul - 14 Jul	Air China
11 Jul - 17 Jul	Air China
24 Jul - 31 Jul	Air China
09 Jul - 18 Jul	Japan Airlines
03 Jul - 16 Jul	Air China
23 Jul - 02 Aug	Air China
20 Jul - 08 Aug	Air China
02 Jul - 07 Jul	Air China
01 Jul - 07 Jul	Air China
16 Jul - 23 Jul	Air China
31 Jul - 04 Aug	Air China
28 Jul - 06 Aug	Air China
24 Jul - 02 Aug	EVA Air
01 Jul - 01 Aug	ANA
23 Jul - 06 Aug	Air China
25 Jul - 01 Aug	ANA

Also check the deals for one-way flights from Seoul to London in July.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

Book a cheap hotel in London

Cheap car rent in London

Cheapest return flights from Seoul to London in July from 761€

Return flights