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

Return flights

01 Dec - 15 Dec	Avianca
12 Dec - 02 Jan	Icelandair
30 Dec - 26 Jan	Lufthansa
17 Dec - 01 Jan	Aeromexico
23 Dec - 30 Dec	Iberia
16 Dec - 05 Jan	KLM
18 Dec - 09 Jan	Aeromexico
16 Dec - 04 Jan	British Airways
19 Dec - 03 Jan	Aeromexico
19 Dec - 02 Jan	Aeromexico
09 Dec - 05 Jan	Avianca
19 Dec - 09 Jan	Aeromexico

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.

Book a cheap hotel in Rio Negro

Cheap car rent in Rio Negro

Cheapest return flights from London to Rio Negro in December from 1002€

Return flights