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

Return flights

01 Jun - 08 Jun	KLM
10 Jun - 17 Jun	British Airways
11 Jun - 14 Jun	British Airways
10 Jun - 21 Jun	British Airways
10 Jun - 14 Jun	British Airways
08 Jun - 22 Jun	British Airways
08 Jun - 24 Jun	British Airways
10 Jun - 24 Jun	British Airways
17 Jun - 01 Jul	British Airways
08 Jun - 21 Jun	British Airways
15 Jun - 29 Jun	KLM
15 Jun - 01 Jul	British Airways
24 Jun - 15 Jul	British Airways
30 Jun - 07 Jul	British Airways
24 Jun - 08 Jul	KLM
22 Jun - 14 Jul	British Airways
25 Jun - 09 Jul	Condor
14 Jun - 05 Jul	SWISS
28 Jun - 12 Jul	KLM
22 Jun - 01 Jul	SWISS

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

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 June from $1074

Return flights