AirHint found the following cheapest one-way flights from New Orleans (MSY) to London (LHR) in December 2025 (see full year).

One-Way flights

02 Dec	jetBlue
09 Dec	jetBlue
08 Dec	Frontier Airlines
04 Dec	Frontier Airlines
03 Dec	jetBlue
05 Dec	Frontier Airlines
01 Dec	Spirit Airlines
10 Dec	jetBlue
11 Dec	Spirit Airlines
22 Dec	Spirit Airlines

Also check the deals for return 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 one-way flights from New Orleans to London in December from 212€

One-Way flights