Cheap flights from Hanoi to London-Heathrow
Cheap return flights from Hanoi to London-Heathrow
Find the best deals
All prices shown are per person based on return flights only. Prices found in the last 48 hours.
London-Heathrow 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 Hanoi to London-Heathrow.
What airlines fly indirectly?
- Emirates
- Turkish Airlines
- Etihad Airways
These airlines fly from Hanoi to London-Heathrow, but you’ll have at least one layover.
How long is the flight?
12 hours 30 minutes
This is the shortest flight time from Hanoi to London-Heathrow.
Alternative flights from the UK to London-Heathrow
Check out prices for other routes
Alternative flights from Hanoi
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 Hanoi/London-Heathrow route. There are around 35 flights on any given week from the UK to London-Heathrow 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 Hanoi to London-Heathrow
Tips and advice from our flight experts
You've searched for flights from Hanoi to London-Heathrow. 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 £90 from Hanoi to London-Heathrow on 02/04/2026 at 08:25.
We've scanned hundreds of airfares from dozens of airlines across the globe. In total, we've found 15 airlines that operate the 8,600 km flight from Hanoi to London-Heathrow.
To find the best offers, consider booking 2-3 months in advance or looking for last-minute deals. The low season for this route is typically from November to March. A popular cheap airline is Vietnam Airlines, with an average flight duration of 12 hours 30 minutes. After selecting an offer, fill out your information and proceed to payment. Consider booking a hotel with us or using our flight + hotel service to save time and money.
Other popular destinations near London-Heathrow
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