AirHint found the following cheapest return flights from London (LTN) to Hanoi (HAN) in October 2025 (see full year).
Return flights
| 13 Oct - 27 Oct | Ryanair | ||
| 22 Oct - 04 Nov | easyJet | ||
| 05 Oct - 09 Nov | easyJet | ||
| 16 Oct - 04 Nov | easyJet | ||
| 19 Oct - 03 Nov | Wizz Air UK |
Also check the deals for one-way flights from London to Hanoi in October.
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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