AirHint found the following cheapest return flights from Charleston (CHS) to London (LHR) in March 2026 (see full year).

Return flights

10 Mar - 17 Mar	Spirit Airlines
05 Mar - 18 Mar	United
20 Mar - 23 Mar	KLM
17 Mar - 23 Mar	Air France
06 Mar - 14 Mar	jetBlue
02 Mar - 05 Mar	Spirit Airlines
18 Mar - 22 Mar	jetBlue
27 Mar - 01 Apr	Air Canada
27 Mar - 03 Apr	American Airlines
14 Mar - 21 Mar	Lufthansa
02 Mar - 06 Mar	Spirit Airlines
03 Mar - 26 Mar	United

Also check the deals for one-way flights from Charleston 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.

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Cheapest return flights from Charleston to London in March from $580

Return flights