Cheapest return flights from Hanoi to London in September from 678€

AirHint found the following cheapest return flights from Hanoi (HAN) to London (LHR) in September 2025 (see full year).

Return flights

27 Sep - 04 Oct Oman Air
23 Sep - 30 Sep Oman Air
26 Sep - 03 Oct Oman Air
28 Sep - 05 Oct China Eastern
21 Sep - 28 Sep Qatar Airways
30 Sep - 07 Oct Malaysia Airlines
22 Sep - 29 Sep Qatar Airways
25 Sep - 28 Sep Qatar Airways
29 Sep - 06 Oct Qatar Airways
25 Sep - 02 Oct Qatar Airways
17 Sep - 24 Sep Qatar Airways
16 Sep - 23 Sep Thai Airways
18 Sep - 25 Sep Cathay Pacific
24 Sep - 29 Sep Qatar Airways
20 Sep - 27 Sep Qatar Airways
23 Sep - 27 Sep Qatar Airways
29 Sep - 05 Oct Qatar Airways
29 Sep - 08 Oct Qatar Airways
16 Sep - 10 Oct Qatar Airways
28 Sep - 01 Oct Vietnam Airlines direct

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

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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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