AirHint found the following cheapest return flights from Raleigh-durham (RDU) to London (LHR) in October 2025 (see full year).

Return flights

20 Oct - 26 Oct	Icelandair
19 Oct - 29 Oct	Icelandair
27 Oct - 31 Oct	Icelandair
27 Oct - 10 Nov	Icelandair
08 Oct - 20 Oct	Frontier Airlines
09 Oct - 13 Oct	Frontier Airlines
01 Oct - 06 Oct	Air Canada
10 Oct - 20 Oct	Frontier Airlines
06 Oct - 16 Oct	United
04 Oct - 14 Oct	Icelandair
20 Oct - 27 Oct	Air Canada
30 Oct - 13 Nov	Air Canada
30 Oct - 06 Nov	United
30 Oct - 06 Nov	British Airways	direct
27 Oct - 10 Nov	British Airways	direct
30 Oct - 13 Nov	British Airways	direct

Also check the deals for one-way flights from Raleigh-durham to London in October.

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.

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Cheapest return flights from Raleigh-durham to London in October from 482€

Return flights