AirHint found the following cheapest return flights from London (LON) to Rio Negro (MDE) in December 2026 (see full year).

Return flights

03 Dec - 22 Dec	Norse Atlantic Airways (UK)
27 Dec - 17 Jan	Iberia
15 Dec - 22 Dec	Iberia
26 Dec - 23 Jan	Air Europa
26 Dec - 09 Jan	Iberia
11 Dec - 03 Jan	Iberia
11 Dec - 09 Jan	Lufthansa
17 Dec - 05 Jan	Lufthansa
14 Dec - 08 Jan	Iberia
17 Dec - 01 Jan	Lufthansa
17 Dec - 04 Jan	Lufthansa
09 Dec - 05 Jan	Iberia

Also check the deals for one-way flights from London to Rio Negro 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 London to Rio Negro in December from $1121

Return flights