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

Return flights

23 Mar - 31 Mar	British Airways
25 Mar - 01 Apr	British Airways
05 Mar - 12 Mar	British Airways
03 Mar - 08 Mar	Delta
31 Mar - 14 Apr	Delta
15 Mar - 22 Mar	British Airways
04 Mar - 07 Mar	Air Canada
07 Mar - 10 Mar	Virgin Atlantic
07 Mar - 10 Mar	British Airways	direct

Also check the deals for one-way flights from New Orleans 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 New Orleans to London in March from 498€

Return flights