Cheapest return flights from London to Hanoi in August from $756

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 August 2025 (see full year).

Return flights

05 Aug - 16 Aug Aer Lingus
20 Aug - 08 Sep Cathay Pacific
25 Aug - 19 Sep Singapore Airlines
25 Aug - 20 Sep Singapore Airlines
26 Aug - 23 Sep Singapore Airlines
25 Aug - 30 Sep Singapore Airlines
28 Aug - 19 Sep Singapore Airlines
20 Aug - 10 Sep Singapore Airlines
27 Aug - 10 Sep Singapore Airlines
27 Aug - 15 Sep Singapore Airlines
27 Aug - 22 Sep Singapore Airlines
01 Aug - 16 Aug Aer Lingus
05 Aug - 12 Aug Aer Lingus
05 Aug - 17 Aug Aer Lingus
06 Aug - 13 Aug Brussels Airlines
05 Aug - 28 Aug Aer Lingus
02 Aug - 16 Aug Air Serbia
04 Aug - 16 Aug SWISS
20 Aug - 31 Aug China Airlines
18 Aug - 31 Aug China Airlines

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

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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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