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

Return flights

08 Mar - 14 Mar	Icelandair
20 Mar - 27 Mar	Icelandair
10 Mar - 17 Mar	British Airways	direct
20 Mar - 27 Mar	British Airways	direct
30 Mar - 06 Apr	Icelandair
30 Mar - 06 Apr	British Airways	direct

Also check the deals for one-way flights from Raleigh-durham 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.

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Cheapest return flights from Raleigh-durham to London in March from $562

Return flights