Cheapest return flights from London to Hanoi in January from $626

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

AirHint found the following cheapest return flights from London (LON) to Hanoi (HAN) in January 2026 (see full year).

Return flights

05 Jan - 14 Jan Air China
04 Jan - 14 Jan Air China
04 Jan - 16 Jan Air China
03 Jan - 16 Jan Air China
05 Jan - 18 Jan Air China
04 Jan - 19 Jan Air China
04 Jan - 18 Jan Air China
22 Jan - 05 Feb Air China
23 Jan - 06 Feb Air China
05 Jan - 19 Jan Air China
07 Jan - 17 Jan Air China
05 Jan - 15 Jan Air China
30 Jan - 08 Feb Air China
30 Jan - 14 Feb Air China
23 Jan - 11 Feb Air China
25 Jan - 23 Feb Air China
26 Jan - 24 Feb Air China
11 Jan - 02 Feb Cathay Pacific
28 Jan - 06 Feb Singapore Airlines
18 Jan - 18 Feb Ryanair

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

Skyscanner

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 Hanoi

Cheap car rent in Hanoi