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

Return flights

11 Dec - 09 Jan	Spirit Airlines
28 Dec - 10 Jan	Frontier Airlines
12 Dec - 13 Dec	Spirit Airlines
29 Dec - 10 Jan	Spirit Airlines
26 Dec - 10 Jan	Spirit Airlines
12 Dec - 22 Dec	Frontier Airlines
11 Dec - 18 Dec	Spirit Airlines
31 Dec - 04 Jan	Spirit Airlines
10 Dec - 17 Dec	Breeze Airways
18 Dec - 05 Jan	Breeze Airways
16 Dec - 03 Jan	Spirit Airlines

Also check the deals for one-way flights from New Orleans 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 New Orleans to London in December from 627€

Return flights