Cheapest return flights from London to Hanoi in December from $630

Best time to book flights for London (LHR) to Hanoi (HAN) flights at AirHint

AirHint found the following cheapest return flights from London (LHR) to Hanoi (HAN) in December 2025 (see full year).

Return flights

01 Dec - 07 Dec China Southern
01 Dec - 10 Dec Air China
03 Dec - 12 Dec Air China
02 Dec - 14 Dec Air China
03 Dec - 15 Dec Air China
01 Dec - 14 Dec Air China
03 Dec - 16 Dec Air China
01 Dec - 20 Dec Air China
01 Dec - 21 Dec Air China
01 Dec - 01 Jan Air China
01 Dec - 13 Dec China Southern
29 Dec - 01 Jan Shenzhen Airlines
25 Dec - 01 Jan China Southern
24 Dec - 01 Jan China Southern
31 Dec - 30 Jan China Airlines
26 Dec - 26 Jan China Southern
31 Dec - 15 Jan Air China
29 Dec - 22 Jan Qatar Airways
29 Dec - 14 Jan British Airways
29 Dec - 18 Jan British Airways

Also check the deals for one-way flights from London to Hanoi in December.

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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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