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

Return flights

11 May - 20 May	Pegasus Airlines
06 May - 20 May	Ryanair
17 May - 27 May	Ryanair
27 May - 03 Jun	Ryanair
12 May - 22 May	Pegasus Airlines
12 May - 19 May	Ryanair
27 May - 15 Jun	Ryanair
27 May - 07 Jun	Ryanair
13 May - 20 May	Ryanair
27 May - 12 Jun	Ryanair
15 May - 07 Jun	Pegasus Airlines
13 May - 18 May	Ryanair
05 May - 19 May	Ryanair
18 May - 07 Jun	Ryanair
14 May - 13 Jun	Ryanair
28 May - 13 Jun	Ryanair
31 May - 29 Jun	Ryanair
03 May - 18 May	Ryanair
04 May - 20 May	Turkish Airlines
15 May - 14 Jun	Pegasus Airlines

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

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.

Book a cheap hotel in Hanoi

Cheap car rent in Hanoi

Cheapest return flights from London to Hanoi in May from $699

Return flights