Cheapest return flights from London to Hanoi in April from $545

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

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

Return flights

20 Apr - 10 May Air China
23 Apr - 14 May Air China
20 Apr - 07 May Air China
23 Apr - 08 May Air China
28 Apr - 14 May Air China
23 Apr - 07 May Air China
28 Apr - 28 May Air China
23 Apr - 15 May China Southern
27 Apr - 11 May Air China
27 Apr - 12 May Air China
23 Apr - 29 Apr Ryanair
22 Apr - 27 Apr Wizz Air UK
24 Apr - 30 Apr Ryanair
26 Apr - 28 Apr Wizz Air UK
10 Apr - 17 Apr Air China
16 Apr - 29 Apr Ryanair
21 Apr - 29 Apr Ryanair
13 Apr - 18 Apr Shenzhen Airlines
17 Apr - 29 Apr Ryanair
19 Apr - 30 Apr Ryanair

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

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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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