AirHint found the following cheapest return flights from Raleigh-durham (RDU) to London (LHR) in May 2026 (see full year).

Return flights

01 May - 08 May	Icelandair
26 May - 09 Jun	Aer Lingus
03 May - 10 May	Icelandair
11 May - 18 May	Icelandair
11 May - 18 May	British Airways	direct
01 May - 08 May	British Airways	direct
03 May - 10 May	British Airways	direct
20 May - 13 Jun	Air Canada
20 May - 06 Jun	Air Canada
20 May - 13 Jun	British Airways	direct
20 May - 06 Jun	British Airways	direct
26 May - 09 Jun	British Airways	direct
25 May - 20 Jun	Air Canada
26 May - 20 Jun	United
25 May - 20 Jun	British Airways	direct
26 May - 20 Jun	British Airways	direct

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

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 May from 644€

Return flights