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

Return flights

18 Apr - 30 Apr	jetBlue
22 Apr - 16 May	jetBlue
19 Apr - 09 May	Icelandair
15 Apr - 09 May	Icelandair
11 Apr - 18 Apr	Icelandair
23 Apr - 16 May	jetBlue
11 Apr - 16 Apr	Icelandair
03 Apr - 11 Apr	jetBlue
17 Apr - 24 Apr	Icelandair
22 Apr - 29 Apr	Icelandair
12 Apr - 19 Apr	Icelandair
09 Apr - 13 Apr	jetBlue
21 Apr - 28 Apr	jetBlue
21 Apr - 28 Apr	Iberia	direct
23 Apr - 16 May	British Airways	direct
19 Apr - 09 May	Finnair	direct
22 Apr - 16 May	British Airways	direct
15 Apr - 09 May	Finnair	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 $649

Return flights