Cheapest one-way flights from London to Hanoi in May from $437

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

One-Way flights

19 May Aegean Airlines
06 May Austrian Airlines
05 May Aegean Airlines
12 May Aegean Airlines
13 May Air China
17 May Austrian Airlines
16 May Air China
15 May Air China
20 May Oman Air
01 May Oman Air

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

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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