You’ve searched for flights from Seoul to Hanoi. We've gone through all nine flights that go to or via Hanoi every week, to help you find the cheapest flight. Cathay Pacific usually has the best-value flights from Seoul, but make sure you compare all your options to get the cheapest flight possible.
We scan thousands of airfares from hundreds of airlines across the globe. We've found that two airlines operate the 2686 km flight from Seoul to Hanoi. Flights during peak season tend to be the most expensive – so if you want to go during that time, it's best to book early. Or you could try to get a last-minute deal.
Singapore Airlines & Cathay Pacific are the most popular airlines for flying from Seoul to Hanoi, so look out for their deals and offers. To find the best price, try searching by month. Or, if you want to bag a last-minute offer, keep an eye on Netflights to monitor the prices.
Flights from Seoul to Hanoi normally take 19 hrs 40 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.