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

Return flights

16 Aug - 26 Aug	jetBlue
16 Aug - 28 Aug	jetBlue
16 Aug - 27 Aug	Spirit Airlines
20 Aug - 26 Aug	jetBlue
16 Aug - 29 Aug	jetBlue
16 Aug - 30 Aug	jetBlue
18 Aug - 25 Aug	Lufthansa
19 Aug - 27 Aug	jetBlue
17 Aug - 25 Aug	Icelandair
15 Aug - 17 Aug	jetBlue
27 Aug - 03 Sep	Icelandair
29 Aug - 01 Sep	Icelandair
27 Aug - 03 Sep	British Airways	direct
29 Aug - 01 Sep	American Airlines	direct
30 Aug - 06 Sep	British Airways	direct

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

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 August from $658

Return flights