Cheap flights from Cardiff to Hanoi
Cheap return flights from Cardiff 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 Cardiff to Hanoi.
What airlines fly indirectly?
- Emirates
- Etihad Airways
- KLM
These airlines fly from Cardiff to Hanoi, but you’ll have at least one layover.
How long is the flight?
18 hours 30 minutes
This is the shortest flight time from Cardiff to Hanoi.
Alternative flights from the UK to Hanoi
Check out prices for other routes
Alternative flights from Cardiff
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 Cardiff/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 Cardiff to Hanoi
Tips and advice from our flight experts
You've searched for flights from Cardiff to Hanoi. We've found 25 flights and compared multiple offers to find the best deal. Vietnam Airlines is typically the cheapest for this route, so keep an eye on them. The cheapest offer we've found is a one-way ticket for Cardiff to Hanoi on 06/05/2026 at 19:20 for £33.
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 Cardiff to Hanoi.
To find the best offers, consider booking 2-3 months in advance or looking for last-minute deals. Flying during the off-peak season can also save you money. Vietnam Airlines is a popular and affordable choice for this route, with an average flight duration of 18 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.
Other popular destinations near Hanoi
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