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

Return flights

28 Aug - 21 Sep	Ryanair
30 Aug - 21 Sep	Wizz Air UK
24 Aug - 14 Sep	FlyOne (Romania)
28 Aug - 14 Sep	FlyOne (Romania)
30 Aug - 20 Sep	Wizz Air
30 Aug - 19 Sep	Wizz Air
28 Aug - 20 Sep	Ryanair
27 Aug - 12 Sep	Wizz Air
30 Aug - 23 Sep	Wizz Air
19 Aug - 07 Sep	Wizz Air UK
03 Aug - 10 Aug	FlyOne (Romania)
11 Aug - 31 Aug	Wizz Air UK
10 Aug - 25 Aug	Ryanair
11 Aug - 25 Aug	Wizz Air UK
23 Aug - 31 Aug	Ryanair
24 Aug - 30 Aug	FlyOne (Romania)
06 Aug - 31 Aug	Ryanair
05 Aug - 31 Aug	Wizz Air UK
19 Aug - 31 Aug	Wizz Air Malta
16 Aug - 31 Aug	Ryanair

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

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 August from 715€

Return flights