Open interactive map →Cheap flights from Seoul to Hanoi
The Seoul to Hanoi route currently shows fares from €57. Hanoi is a directly reachable destination in Vietnam from Seoul. The flight typically takes around 4h 54min. Mid-week departures and shoulder-season months tend to keep prices lower on this route. Compare months in the calendar below to identify the cheapest window before locking in your booking.
The cheapest fares on popular routes like this tend to sell out first, so it pays to book early once you spot a good price. Early-morning and late-night departures from Seoul are often priced lower than midday flights. SkyHopp refreshes fares regularly - if the current price doesn't fit your budget, check back in a few days as availability changes.
Notify me when prices drop
SkyHopp Recommends
Cheapest month to fly
- October 2026€57DirectCheapest
Based on tracked fares, October is the cheapest month to fly this route at around €57.
Prices last updated: September 2026
October in Hanoi
Avg 26°C~5 rainy days
Historical averages from Open-Meteo. Shown for the cheapest travel month.
Entry requirements for Vietnam
EU passporteVisa required
US passportVisa-free, 45 days
Requirements vary by nationality and change without notice. Check requirements for your nationality →
Alternative routes
Other ways to reach Hanoi
Frequently asked questions
How much does a flight from Seoul to Hanoi cost?
The cheapest fare currently available from Seoul to Hanoi is €57. Prices on this route vary by season, day of week, and how far in advance you book. The month-by-month price calendar on this page shows exactly when fares are highest and lowest, so you can pick the most cost-effective window before searching for specific dates. Fares are refreshed regularly as our flight partners publish new availability.
Are there direct flights from Seoul to Hanoi?
Yes - non-stop flights are currently available from Seoul to Hanoi. The cheapest direct fare starts at €57, making it a convenient option if you want to avoid layover time. Direct flights are generally quicker and less stressful, especially for shorter trips to Vietnam. Click through to the booking site to check live availability and schedules for your dates.
When is the cheapest time to fly from Seoul to Hanoi?
Prices on this route typically dip during shoulder-season months, away from school holidays and public holiday windows. Mid-week departures - particularly Tuesday to Thursday - tend to be cheaper than flights on Fridays and Sundays from Seoul. The month-by-month price calendar above is the fastest way to identify the cheapest window - look for the months with the lowest fares before committing to travel dates. Booking 3-6 weeks in advance generally offers the best balance of price and seat availability on this route.