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

Return flights

13 Apr - 20 Apr	Icelandair
23 Apr - 10 May	jetBlue
24 Apr - 02 May	Icelandair
23 Apr - 30 Apr	jetBlue
15 Apr - 22 Apr	Icelandair
24 Apr - 01 May	Icelandair
08 Apr - 13 Apr	Spirit Airlines
30 Apr - 08 May	Frontier Airlines
15 Apr - 15 May	Icelandair
09 Apr - 13 Apr	Frontier Airlines
14 Apr - 20 Apr	Aer Lingus
27 Apr - 15 May	Icelandair
02 Apr - 14 Apr	Spirit Airlines
14 Apr - 21 Apr	Aer Lingus
03 Apr - 11 Apr	Spirit Airlines
01 Apr - 08 Apr	Lufthansa
30 Apr - 08 May	Finnair	direct
23 Apr - 10 May	Iberia	direct
24 Apr - 02 May	British Airways	direct

Also check the deals for one-way flights from Raleigh-durham to London in April.

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 April from 559€

Return flights