AirHint found the following cheapest return flights from London (STN) to Hanoi (HAN) in April 2026 (see full year).

Return flights

09 Apr - 26 Apr	Ryanair
07 Apr - 23 Apr	Ryanair
09 Apr - 21 Apr	Ryanair
12 Apr - 23 Apr	Ryanair
18 Apr - 30 Apr	Ryanair
26 Apr - 11 May	Ryanair
19 Apr - 26 Apr	Ryanair
19 Apr - 06 May	Ryanair
07 Apr - 21 Apr	Ryanair
21 Apr - 06 May	Ryanair
18 Apr - 03 May	Ryanair
09 Apr - 19 Apr	Ryanair
21 Apr - 03 May	Ryanair
15 Apr - 27 Apr	Ryanair
05 Apr - 22 Apr	Ryanair
22 Apr - 04 May	Ryanair
26 Apr - 03 May	Ryanair
27 Apr - 11 May	Ryanair
29 Apr - 17 May	Turkish Airlines
22 Apr - 03 May	Ryanair

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

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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Cheapest return flights from London to Hanoi in April from 608€

Return flights