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

Return flights

04 Jul - 18 Jul	Oman Air
01 Jul - 11 Jul	Oman Air
01 Jul - 15 Jul	Oman Air
01 Jul - 23 Jul	Oman Air
10 Jul - 25 Jul	Kuwait Airways
02 Jul - 19 Jul	Oman Air
01 Jul - 29 Jul	China Southern
13 Jul - 20 Jul	China Southern
05 Jul - 29 Jul	China Southern
08 Jul - 26 Jul	Oman Air
19 Jul - 02 Aug	Oman Air
19 Jul - 10 Aug	Oman Air
26 Jul - 02 Aug	Oman Air
26 Jul - 10 Aug	Oman Air
21 Jul - 06 Aug	Oman Air
22 Jul - 01 Aug	Oman Air
23 Jul - 09 Aug	Oman Air
23 Jul - 08 Aug	Oman Air
29 Jul - 15 Aug	Oman Air
20 Jul - 02 Aug	Oman Air

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 669€

Return flights