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

Return flights

04 Mar - 11 Mar	Icelandair
14 Mar - 21 Mar	Icelandair
04 Mar - 09 Mar	Icelandair
15 Mar - 29 Mar	Icelandair
04 Mar - 11 Mar	British Airways	direct
04 Mar - 09 Mar	British Airways	direct
12 Mar - 26 Mar	Air Canada
15 Mar - 29 Mar	British Airways	direct
12 Mar - 22 Mar	Air Canada
24 Mar - 31 Mar	United

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 503€

Return flights