Cheapest one-way flights from London to Hanoi in October from $429

Best time to book flights for London (LHR) to Hanoi (HAN) flights at AirHint

AirHint found the following cheapest one-way flights from London (LHR) to Hanoi (HAN) in October 2025 (see full year).

One-Way flights

14 Oct Aegean Airlines
07 Oct British Airways
06 Oct British Airways
21 Oct Aegean Airlines
22 Oct British Airways
27 Oct Shenzhen Airlines
24 Oct Shenzhen Airlines
20 Oct Shenzhen Airlines
18 Oct Shenzhen Airlines
19 Oct Shenzhen Airlines

Also check the deals for return flights from London to Hanoi in October.

Skyscanner

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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