AirHint found the following cheapest return flights from Seoul (ICN) to London (LHR)
in March 2025 (see full year ).
Return flights
05 Mar
- 12 Mar
China Southern
467 €
06 Mar
- 12 Mar
China Southern
471 €
06 Mar
- 21 Mar
China Eastern
472 €
08 Mar
- 17 Mar
SWISS
473 €
11 Mar
- 18 Mar
China Southern
481 €
12 Mar
- 15 Mar
Air China
482 €
22 Mar
- 23 Mar
SWISS
487 €
06 Mar
- 18 Mar
China Southern
490 €
15 Mar
- 19 Mar
China Southern
491 €
05 Mar
- 18 Mar
China Southern
491 €
12 Mar
- 23 Apr
China Southern
494 €
20 Mar
- 21 Apr
China Southern
494 €
14 Mar
- 14 Apr
China Eastern
500 €
29 Mar
- 14 Apr
China Eastern
501 €
15 Mar
- 19 Apr
China Southern
517 €
31 Mar
- 29 Apr
SWISS
521 €
29 Mar
- 17 Apr
China Eastern
528 €
22 Mar
- 19 Apr
China Eastern
529 €
28 Mar
- 09 Apr
Air China
531 €
18 Mar
- 09 Apr
Air China
531 €
Also check the deals for one-way flights from Seoul to London in March .
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.