Cheapest one-way flights from London to Hanoi in December from $584

AirHint found the following cheapest one-way flights from London (LHR) to Hanoi (HAN) in December 2026 (see full year).

One-Way flights

04 Dec Air China
07 Dec China Airlines
05 Dec China Airlines
09 Dec China Airlines
18 Dec Iberia
06 Dec Cathay Pacific
25 Dec Thai Airways
26 Dec Thai Airways
15 Dec Turkish Airlines
16 Dec Turkish Airlines

Also check the deals for return 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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