You’ve searched for flights from Cardiff to Hanoi. 17 flights go to or via Hanoi every week, and we've searched them all to make it easy for you to compare your options. On average, KLM has the cheapest flights, so look out for them in your search results.
When you fly 9428 km from Cardiff to Hanoi, you can choose from one airlines. Flights are most expensive during high season, and you can expect accommodation prices to be higher then too. Last-minute deals do crop up, but it's best to book in advance to avoid disappointment.
To sort cheap flights to Hanoi, it's best to start searching for flights by month, as this will show you when prices are at their lowest. Keep an eye on KLM too, as they're the most popular airline for flying from Cardiff to Hanoi.
Flights from Cardiff to Hanoi normally take 21 hrs 15 mins. Make sure you check what refreshments or meals are included, so you can plan your journey. Before you book, why not check out our hotel and car hire options? We have some hotels close to the airport – handy if you're arriving late at night, or flying back very early.