Cheap flights from London to Hanoi
One-way fares from $317, found recently by travellers. Plus what 5 days in Hanoi costs once you land.
Cheapest dates we found
- 30 Nov2026LTN → HANW9 · 2 stops · 16h 50m$317one way
- 9 Nov2026STN → HANRyanair · 3 stops · 17h 5m$324one way
- 25 Nov2026LTN → HANeasyJet · 2 stops · 16h 55m$325one way
- 26 Nov2026SEN → HANeasyJet · 2 stops · 16h 40m$334one way
- 11 Nov2026STN → HANRyanair · 3 stops · 18h 25m$346one way
- 5 Jan2027LGW → HANAir China · 1 stop · 15h 15m$361one way
One-way economy prices travellers found on Aviasales in the last few days. They change often, so open a fare to see today's price.
Airlines on this route
Recent cheap fares were with W9, Ryanair, easyJet, Air China. Low-cost airlines often charge extra for checked bags and seats, so compare the full price.
When to go to Hanoi
October to December and March to April. Summers are hot and humid; winters (January to February) are cool and grey.
Money-saving tips for Hanoi
- Use Grab bikes or cars for cheap, fixed-price rides around the city.
- Street-side pho and bun cha are both delicious and very cheap.
- Book Ha Long Bay trips with a reputable operator; the cheapest tours often cut corners.
Questions
How much is a flight from London to Hanoi?
The cheapest one-way fare we found recently was $317 with W9 on 30 Nov 2026. Most of the fares we saw were between $317 and $361 one way. Prices change daily, so open the fare to see today's price.
How long is the flight from London to Hanoi?
The quickest flight in our recent results took 15h 15m with 1 stop.
Are there direct flights from London to Hanoi?
The cheapest fares we found all had at least one stop. Non-stop flights may exist at higher prices, so check the flight search.
How much money do I need for 5 days in Hanoi?
About $130 for one backpacker, or $710 for two people travelling mid-range (hotel, food, transport and sights, flights not included). Add about $634 per person for a return flight from London.
More flights from London
- Return: Hanoi → London
- London → Bangkok
- London → Chiang Mai
- London → Phuket
- London → Bali
- London → Kuala Lumpur
- London → Penang
- London → Singapore
- London → Ho Chi Minh City
- All flights from London
Fly to Hanoi from
- Bangkok
- Chiang Mai
- Phuket
- Bali
- Kuala Lumpur
- Penang
- Singapore
- Ho Chi Minh City
- Da Nang
- Siem Reap
- Istanbul
- Lisbon
- Barcelona
- Rome
- Paris
- Amsterdam
Fares are recent prices found by travellers, cached for a few hours. Trip costs are planning estimates checked 2026-10-11. Always confirm the final price when you book. Some links are affiliate links; they never change your price.