AirHint found the following cheapest return flights from Charlotte (CLT) to London (LHR) in May 2026 (see full year).

Return flights

13 May - 20 May	American Airlines
04 May - 11 May	Air Canada
04 May - 11 May	British Airways	direct
13 May - 26 May	Air Canada
13 May - 20 May	British Airways	direct
11 May - 06 Jun	Air Canada
12 May - 06 Jun	Air Canada
09 May - 30 May	Air Canada
13 May - 26 May	British Airways	direct
09 May - 30 May	Finnair	direct
20 May - 13 Jun	Air Canada
14 May - 21 May	British Airways	direct
24 May - 31 May	British Airways	direct
20 May - 13 Jun	Finnair	direct
12 May - 06 Jun	Finnair	direct

Also check the deals for one-way flights from Charlotte to London in May.

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 Charlotte to London in May from $507

Return flights