Cheap flights from Southampton to Hanoi
Cheap return flights from Southampton 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
- Qatar Airways
- Turkish Airlines
These airlines usually offer the cheapest flights from Southampton to Hanoi.
What airlines fly indirectly?
- Emirates
- Etihad Airways
- Singapore Airlines
These airlines fly from Southampton to Hanoi, but you’ll have at least one layover.
How long is the flight?
16 hours 30 minutes
This is the shortest flight time from Southampton to Hanoi.
Alternative flights from the UK to Hanoi
Check out prices for other routes
Alternative flights from Southampton
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 Southampton/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 Southampton to Hanoi
Tips and advice from our flight experts
You've searched for flights from Southampton to Hanoi. We've found 25 flights and compared them to give you the best offers. Vietnam Airlines is, on average, the cheapest for this route, so look out for them. The cheapest offer we've found is a one-way ticket for the route from Southampton to Hanoi on 12/05/2026 at 16:40 for £68.
We've scanned hundreds of airfares from dozens of airlines across the globe. In total, we've found 10 airlines that operate the 10,000 km flight from Southampton to Hanoi.
To find the best offers, consider booking 2-3 months in advance or looking for last-minute deals. The best time to fly is during the off-peak season. A popular and affordable airline for this route is Vietnam Airlines, with an average flight duration of 16 hours 30 minutes. After selecting an offer, fill out your information and proceed to payment. Don't forget to check our flight + hotel service to book everything at once, saving you time and money.
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