Cheapest one-way flights from London to Hanoi in April from $428

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

One-Way flights

21 Apr Aegean Airlines
07 Apr Scandinavian Airlines
03 Apr Scandinavian Airlines
05 Apr Scandinavian Airlines
02 Apr LOT
04 Apr Scandinavian Airlines
11 Apr British Airways
23 Apr British Airways
12 Apr Air China
06 Apr Air China

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

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.

Book a cheap hotel in Hanoi

Cheap car rent in Hanoi

Feel free to contact us with any feedback or request another flight research.