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

Return flights

17 Mar - 24 Mar	Spirit Airlines
31 Mar - 12 Apr	Frontier Airlines
08 Mar - 13 Mar	Icelandair
14 Mar - 20 Mar	Spirit Airlines
15 Mar - 21 Mar	Spirit Airlines
26 Mar - 04 Apr	Frontier Airlines
07 Mar - 15 Mar	Spirit Airlines
14 Mar - 22 Mar	Spirit Airlines
25 Mar - 03 Apr	Frontier Airlines
07 Mar - 14 Mar	Icelandair
26 Mar - 02 Apr	Frontier Airlines

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 498€

Return flights