AirHint found the following cheapest return flights from New Orleans (MSY) to London (LHR) in October 2025 (see full year).

Return flights

08 Oct - 22 Oct	Delta
01 Oct - 07 Oct	Delta
01 Oct - 08 Oct	Delta
08 Oct - 15 Oct	British Airways
01 Oct - 09 Oct	British Airways
01 Oct - 06 Oct	Delta
01 Oct - 05 Oct	Delta
16 Oct - 30 Oct	Delta
05 Oct - 12 Oct	British Airways
17 Oct - 24 Oct	British Airways
30 Oct - 06 Nov	British Airways
25 Oct - 01 Nov	British Airways

Also check the deals for one-way flights from New Orleans to London in October.

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 October from $577

Return flights