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

Return flights

29 Jul - 12 Aug	Wizz Air UK
29 Jul - 04 Aug	Wizz Air UK
28 Jul - 13 Aug	Wizz Air UK
28 Jul - 03 Aug	Wizz Air UK
25 Jul - 09 Aug	Wizz Air UK
25 Jul - 10 Aug	Wizz Air UK
29 Jul - 14 Aug	Wizz Air UK
28 Jul - 17 Aug	Wizz Air UK
29 Jul - 17 Aug	Wizz Air UK
30 Jul - 04 Aug	Air India
23 Jul - 30 Jul	easyJet
27 Jul - 30 Jul	Wizz Air UK
25 Jul - 29 Jul	Wizz Air UK
21 Jul - 23 Jul	easyJet
22 Jul - 29 Jul	easyJet
23 Jul - 27 Jul	easyJet
16 Jul - 30 Jul	AZAL
23 Jul - 26 Jul	easyJet
28 Jul - 31 Jul	Wizz Air UK
16 Jul - 24 Jul	AZAL

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 $1044

Return flights