Cheap flights from Seoul to Hanoi from R1 363

If you aren’t able to travel during the month of September, then book flights to Hanoi from Seoul during May instead. Flights to Hanoi in May, while not as cheap as those in September, still average around R3 910.

Our data shows that Thursday is the least expensive day to fly to Hanoi. Tickets to fly out on this day can be as low as R4 131. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around R8 729. These prices are subject to change though, so be sure to set up a Price Alert for flights to Hanoi.

The cheapest time of day to fly to Hanoi is in the evening when flights can be purchased for as low as R7 714. Flights in the morning are often more expensive, with an average ticket price of R10 043.

Fly from Incheon Intl to Hanoi Noibai for the best Seoul - Hanoi Noibai flight prices

You are more likely to see cheaper flights to Hanoi from Seoul when booking weeks ahead of your departure date. In general, you can expect to find flights to Hanoi for around R4 957 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Hanoi from Seoul for as low as R3 992 on momondo.

There is only 1 cabin class available to choose from on Seoul to Hanoi flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

19 flights are operational daily from Seoul to Hanoi as of September 2026. The most popular departure time for this route is 18:00, with 53% of flights per day taking off in the evening.

The number of flights available between Seoul and Hanoi is 133 per week as of September 2026. The most frequent departure day is Mon, with 16% of weekly flights leaving on this day.