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

Return flights

08 Mar - 15 Mar	Spirit Airlines
01 Mar - 21 Mar	Spirit Airlines
11 Mar - 20 Mar	Spirit Airlines
16 Mar - 20 Mar	Spirit Airlines
19 Mar - 30 Mar	Spirit Airlines
08 Mar - 15 Mar	British Airways	direct
01 Mar - 21 Mar	Iberia	direct
11 Mar - 20 Mar	British Airways	direct
14 Mar - 04 Apr	British Airways
19 Mar - 30 Mar	British Airways	direct
14 Mar - 04 Apr	Finnair	direct
16 Mar - 20 Mar	British Airways	direct

Also check the deals for one-way flights from Charlotte 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 Charlotte to London in March from 617€

Return flights