AirHint found the following cheapest return flights from London (LGW) to Hanoi (HAN) in July 2025 (see full year).

Return flights

12 Jul - 31 Jul	Air China
14 Jul - 23 Jul	Wizz Air UK
09 Jul - 27 Jul	Air India
11 Jul - 10 Aug	Wizz Air UK
10 Jul - 14 Jul	Air India
14 Jul - 10 Aug	Wizz Air UK
22 Jul - 06 Aug	Wizz Air Malta
10 Jul - 15 Jul	Air India
09 Jul - 20 Jul	Air India
13 Jul - 27 Jul	Wizz Air UK
09 Jul - 12 Jul	China Eastern
12 Jul - 20 Jul	Air India
14 Jul - 27 Jul	Wizz Air UK
22 Jul - 05 Aug	Wizz Air Malta
29 Jul - 12 Aug	Wizz Air UK
14 Jul - 04 Aug	Wizz Air UK
22 Jul - 13 Aug	Wizz Air Malta
09 Jul - 02 Aug	Air India
12 Jul - 02 Aug	Air India
29 Jul - 19 Aug	Wizz Air UK

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

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 July from 674€

Return flights