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

Return flights

06 Mar - 13 Mar	Icelandair
13 Mar - 20 Mar	Icelandair
21 Mar - 28 Mar	Icelandair
02 Mar - 28 Mar	Spirit Airlines
06 Mar - 15 Mar	Icelandair
11 Mar - 22 Mar	Icelandair
24 Mar - 18 Apr	Spirit Airlines
15 Mar - 27 Mar	Finnair
22 Mar - 11 Apr	Spirit Airlines
29 Mar - 04 Apr	Frontier Airlines
28 Mar - 18 Apr	Icelandair
27 Mar - 18 Apr	Frontier Airlines
26 Mar - 18 Apr	Lufthansa
14 Mar - 21 Mar	Air Canada

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 $548

Return flights