Cheapest one-way flights from Hanoi to London in September from $402

AirHint found the following cheapest one-way flights from Hanoi (HAN) to London (LGW) in September 2026 (see full year).

One-Way flights

23 Sep Qatar Airways
24 Sep Qatar Airways
22 Sep Qatar Airways
06 Sep VietJet Air
05 Sep VietJet Air
02 Sep VietJet Air
07 Sep VietJet Air
18 Sep Emirates
13 Sep Air China
04 Sep Air China

Also check the deals for return 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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