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

Return flights

10 Jun - 21 Jun	SWISS
03 Jun - 24 Jun	SWISS
04 Jun - 10 Jun	SWISS
10 Jun - 17 Jun	SWISS
07 Jun - 21 Jun	SWISS
10 Jun - 15 Jun	SWISS
05 Jun - 15 Jun	SWISS
07 Jun - 17 Jun	SWISS
01 Jun - 07 Jun	SWISS
08 Jun - 14 Jun	SWISS
17 Jun - 13 Jul	SWISS
17 Jun - 01 Jul	SWISS
18 Jun - 02 Jul	SWISS
24 Jun - 20 Jul	SWISS
18 Jun - 05 Jul	SWISS
24 Jun - 29 Jul	Lufthansa
21 Jun - 08 Jul	SWISS
30 Jun - 15 Jul	SWISS
29 Jun - 14 Jul	SWISS
19 Jun - 06 Jul	Lufthansa

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 794€

Return flights