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

Return flights

18 Jan - 25 Jan	Ryanair
14 Jan - 17 Jan	Ryanair
17 Jan - 24 Jan	Ryanair
10 Jan - 24 Jan	Ryanair
19 Jan - 16 Feb	Ryanair
12 Jan - 18 Jan	Ryanair
17 Jan - 01 Feb	Ryanair
19 Jan - 26 Jan	Ryanair
06 Jan - 13 Jan	Ryanair
06 Jan - 15 Jan	Ryanair
04 Jan - 01 Feb	Ryanair
11 Jan - 18 Jan	Ryanair
19 Jan - 31 Jan	Ryanair
03 Jan - 14 Feb	Ryanair
05 Jan - 03 Feb	Ryanair
25 Jan - 16 Feb	Pegasus Airlines
25 Jan - 09 Feb	Pegasus Airlines
11 Jan - 01 Feb	Pegasus Airlines
23 Jan - 09 Feb	Ryanair
25 Jan - 27 Feb	Pegasus Airlines

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

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 Hanoi in January from 585€

Return flights