Cheap flights from London to Hanoi
Cheap return flights from London to Hanoi
Find the best deals
All prices shown are per person based on return flights only. Prices found in the last 48 hours.
Hanoi flight facts
What you need to know
What are the cheapest airlines?
- Vietnam Airlines
- British Airways
- Qatar Airways
These airlines usually offer the cheapest flights from London to Hanoi.
What airlines fly indirectly?
- Emirates
- Turkish Airlines
- Singapore Airlines
These airlines fly from London to Hanoi, but you’ll have at least one layover.
How long is the flight?
11 hours 30 minutes
This is the shortest flight time from London to Hanoi.
Alternative flights from the UK to Hanoi
Check out prices for other routes
Alternative flights from London
You might find cheaper flights nearby
Today alone, Netflights has searched over five flights. 05 / Feb / 2026 is currently the lowest priced day of the year to fly the London/Hanoi route. There are around 35 flights on any given week from the UK to Hanoi and the cheapest month to fly right now is February. Not suitable? Try running another search or viewing all cheap flight deals.
How to get cheap flights from London to Hanoi
Tips and advice from our flight experts
You've searched for flights from London to Hanoi. We've found 25 flights and compared them to give you the best offer. Vietnam Airlines is, on average, the cheapest for this route. Look out for them! The cheapest offer we've found is a one-way ticket for the route London to Hanoi on 08/02/2026 at 12:35 at £48.
We've scanned hundreds of airfares from dozens of airlines across the globe. In total, we've found 10 airlines that operate the 9,200 km flight from London to Hanoi.
To find the best offers, consider booking 2-3 months in advance or look for last-minute deals. Try flying with Vietnam Airlines, which is popular and offers an average duration of 11 hours 30 minutes. After selecting an offer, fill out your information, proceed to payment, and consider booking a hotel with us or using our flight + hotel service to save time and money.
Other popular destinations near Hanoi
Where other people are flying to
