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

Return flights

16 Jun - 16 Jul	China Eastern
16 Jun - 20 Jul	China Eastern
01 Jun - 15 Jun	Qatar Airways
14 Jun - 24 Jun	Malaysia Airlines
11 Jun - 21 Jun	Cathay Pacific
23 Jun - 08 Jul	Qatar Airways
22 Jun - 08 Jul	Qatar Airways
21 Jun - 06 Jul	Cathay Pacific
20 Jun - 06 Jul	Qatar Airways
29 Jun - 13 Jul	Cathay Pacific
19 Jun - 04 Jul	Air China
14 Jun - 24 Jun	Vietnam Airlines	direct
21 Jun - 06 Jul	Vietnam Airlines	direct
01 Jun - 15 Jun	Vietnam Airlines	direct
22 Jun - 06 Jul	Vietnam Airlines	direct

Also check the deals for one-way flights from Hanoi to London 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 Hanoi to London in June from $783

Return flights