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

Return flights

01 Jun - 21 Jun	Air China
08 Jun - 22 Jun	Air China
10 Jun - 15 Jun	Air China
03 Jun - 24 Jun	Air China
01 Jun - 07 Jun	Air China
14 Jun - 22 Jun	Air China
07 Jun - 15 Jun	Air China
04 Jun - 10 Jun	Air China
10 Jun - 17 Jun	Air China
07 Jun - 22 Jun	Air China
18 Jun - 06 Jul	Air China
02 Jun - 02 Jul	Air China
18 Jun - 02 Jul	Air China
10 Jun - 01 Jul	Air China
17 Jun - 01 Jul	Air China
14 Jun - 05 Jul	Air China
06 Jun - 07 Jul	Air China
17 Jun - 13 Jul	Etihad Airways
24 Jun - 20 Jul	Etihad Airways
30 Jun - 12 Jul	Etihad Airways

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 455€

Return flights