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

Return flights

04 Mar - 09 Mar	Scandinavian Airlines
10 Mar - 17 Mar	Scandinavian Airlines
18 Mar - 24 Mar	Scandinavian Airlines
04 Mar - 16 Mar	Scandinavian Airlines
03 Mar - 13 Mar	Spirit Airlines
24 Mar - 14 Apr	Scandinavian Airlines
22 Mar - 29 Mar	Icelandair
11 Mar - 15 Mar	Icelandair
22 Mar - 28 Mar	Icelandair
07 Mar - 14 Mar	jetBlue
20 Mar - 24 Mar	Icelandair
23 Mar - 06 Apr	Spirit Airlines
24 Mar - 14 Apr	Iberia	direct
27 Mar - 03 Apr	Icelandair

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.

Book a cheap hotel in London

Cheap car rent in London

Cheapest return flights from Raleigh-durham to London in March from $588

Return flights