AirHint found the following cheapest return flights from Charleston (CHS) to London (LHR) in December 2025 (see full year).

Return flights

03 Dec - 10 Dec	British Airways
04 Dec - 08 Dec	British Airways
30 Dec - 06 Jan	United
17 Dec - 22 Dec	KLM
19 Dec - 23 Dec	Delta
27 Dec - 05 Jan	United
27 Dec - 03 Jan	Delta
26 Dec - 03 Jan	Virgin Atlantic
27 Dec - 31 Dec	Spirit Airlines

Also check the deals for one-way flights from Charleston to London in December.

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 Charleston to London in December from 463€

Return flights