Cheap Flights from Hanoi to Seoul

Compare Hanoi to Seoul flight deals

Find the cheapest month or even day of the year to fly to Seoul

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Flight deals from Hanoi to Seoul

Looking for a cheap last-minute deal or the best return flight from Hanoi Airport to Seoul? If you want to travel next month, return fares start from ر.ق.‏ 831. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Hanoi to Seoul

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Hanoi to Seoul flights are currently cheapest in November.

Direct flights from Hanoi to Seoul

Alternative Hanoi to Seoul routes

Looking for the cheapest, fastest or easiest route from Hanoi to Seoul? You could fly into the following airports instead.

Hanoi to Seoul: Flight information

The things to know before you go.
Cheapest flight foundر.ق.‏ 421
Cheapest month to flyNovember
Average flight time4 hrs, 16 mins
Most popular airlineVietJet Air
Average flights per week238

Finding cheap flights from Hanoi to Seoul: Frequently asked questions

There are 2 airports in Seoul: Gimpo International and Incheon International.
The best price we found for a return flight from Hanoi to Seoul is ر.ق.‏ 818. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
4 hours and 16 minutes is the average flight time from Hanoi to Seoul.
VietJet Air, Korean Air and Vietnam Airlines fly direct from Hanoi to Seoul.
As of April 2026, there are 238 flights per week flying from Hanoi to Seoul.
The cheapest month to fly from Hanoi to Seoul is usually June.
If you're flying from Hanoi Airport, the cheapest airport near Seoul is Incheon International – which is 47.8 km away from the centre of Seoul. We've found flights into this airport from ر.ق.‏ 818.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Hanoi Airport to Seoul on Monday, 8 June 2026.
Yes – the average flight time is 4 hours and 16 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Seoul but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Seoul is around 40 days in advance, so don’t leave your flight to the last minute.
In April, the average temperature is usually around 10°C. August is typically the warmest month in Seoul, when it usually averages around 28°C. You can expect the least rain in January. The coldest month is January, with temperatures averaging -8°C. The rainiest month is July.
Currently, Jeju Air offers the cheapest flight tickets to Seoul.

Travelling from Hanoi Noi Bai International Airport (HAN) to Seoul: what you need to know

  • The average length of a direct flight from Hanoi Noi Bai International Airport to Seoul is 4 hours 50 minutes.

  • Hanoi Noi Bai International Airport is located in Hanoi. Following the UTC+9 timezone, Seoul is two hours ahead of Hanoi.

  • The busiest route is from Hanoi Noi Bai International Airport (HAN) to Seoul Incheon International Airport (ICN). Take your pick of 60 services every week between these two airports. If you want to head off as soon as possible, the earliest flight from HAN to ICN is the 00:15 Asiana Airlines option. If you prefer travelling later, the last departure is at 23:50 with Asiana Airlines.

  • Leave plenty of time to catch your HAN to Seoul flight. A good rule of thumb is to arrive two hours before international departures and an hour ahead for domestic flights.

  • Travelling during a popular month like February? School holidays and other high seasons can lead to longer lines at security. Play it safe and arrive up to four hours ahead of an international flight and two hours before domestic departures.

  • Start your journey at HAN and travel nonstop to Seoul Incheon International Airport (ICN). That will be your arrival point when searching for Hanoi Noi Bai International Airport to Seoul tickets.

  • These are some of the popular carriers operating direct flights from Hanoi Noi Bai International Airport to Seoul:

  • Stopovers are the perfect opportunity to break up your journey and perhaps even explore a different city. When searching for plane tickets from HAN to Seoul, deselect the 'Direct flights only' box to see where you can stop along the way. Some popular options include:

    • Guangzhou Baiyun International Airport (CAN)

    • Tokyo Haneda International Airport (HND)

    • Taiwan Taoyuan International Airport (TPE)

  • The journey from central Hanoi to HAN takes around 1 hour on public transport. If you drive, ride-share or get a taxi, you'll cover the 21 kilometres in 40 minutes or so, depending on traffic conditions.

  • Want a leisurely start to your journey? Stay near HAN. Whether you're boarding an early flight from Hanoi Noi Bai International Airport to Seoul or just don't want to be rushed, these hotels are just the thing:

  • When it comes to the on-time performance of Hanoi Noi Bai International Airport, data shows 72% of flights arrive within the expected time frame.

How to find the cheapest flights from Hanoi Noi Bai International Airport (HAN) to Seoul

  • ر.ق.‏ 421 is currently the lowest price for a one-way Hanoi Noi Bai International Airport to Seoul flight. Return plane tickets start at ر.ق.‏ 818. These prices may change depending on availability.

  • Booking in advance is often the key to finding a cheap flight from HAN to Seoul. Fares tend to rise as demand increases, so the nearer you get to departure, the more you'll likely spend on your ticket.

  • If you're willing to be flexible with your trip dates, try using the 'Whole month' tool. It'll show you the lowest price across each month when searching for a Hanoi Noi Bai International Airport to Seoul ticket.

  • Locking in a cheap flight from HAN to Seoul couldn't be easier with Price Alerts. All you need to do is set up one of these automatic notifications and we'll notify you when a lower fare pops up.

  • Pick your preferred departure and arrival times, airlines and number of stops with our filters. Then, sort the results for your flight from Hanoi Noi Bai International Airport to Seoul by 'Best,' 'Cheapest' or 'Fastest.'

Airports in Seoul

Seoul Incheon International Airport (ICN)

  • The distance from Seoul Incheon International Airport (ICN) to central Seoul is roughly 48 kilometres. It'll take you around 1 hour 5 minutes to reach the centre driving.

  • When travelling by public transport, expect a journey time of about 50 minutes.

  • The last thing you want is a lengthy journey to your hotel if you're getting in late on a flight from Hanoi Noi Bai International Airport to Seoul. Stay at one of these accommodation options near ICN instead:

  • To lock in the lowest price, reserve your vehicle from Seoul Incheon International Airport about four weeks ahead of your flight from HAN to Seoul.

Seoul Gimpo International Airport (GMP)

  • Seoul Gimpo International Airport (GMP) is around 16 kilometres from the centre of Seoul. After your flight from Hanoi Noi Bai International Airport to Seoul, it'll take you around 30 minutes to reach the heart of the city in a ride-share or taxi.

  • You can expect the journey to take roughly 35 minutes on public transport.

  • There are some great places to rest your head close to GMP. Kick back and get cosy after your HAN to Seoul flight at any of these well-located options:

  • Secure your first choice, not your last resort. Reserving your ride from GMP one week ahead of time often means better deals and a wider selection of vehicles.

Best time to go to Seoul

  • December is the quietest month for flights from Hanoi Noi Bai International Airport to Seoul, while January is the most popular. Pick the best time to go to Seoul based on whether you like a bustling atmosphere or a more laid-back vibe.

  • Book a Hanoi Noi Bai International Airport to Seoul plane ticket with a departure in August if you're eager to visit the city during its warmest month. You can expect temperatures to range from 19ºC to 32ºC.

  • January sees average temperatures of between -12ºC and 4ºC. Search for a cheap ticket from HAN to Seoul around that time if you like cooler conditions.

More about Seoul

  • After booking your flight from Hanoi Noi Bai International Airport to Seoul, choose a hotel that puts you where you want to be. Make one of these accommodation options your base for exploring Seoul:

  • Bukchon Hanok Village and Gyeongbokgung Palace are a couple of major attractions to put on your Seoul must-do list. Keep the momentum going by heading to N Seoul Tower.

Explore more of South Korea

  • Busan is just one of the many cities in South Korea waiting to be discovered once you've taken in the sights of Seoul. Around 322 kilometres away to the southeast, top sights here include Gamcheon Culture Village, Haeundae Beach and Beautiful View Busan - Diamond Bridge.

  • Daegu is another sought-after destination in South Korea and is around 241 kilometres southeast of Seoul. No trip is complete without visiting Alive Aquarium Daegu, Nature Park and Seonsa Historical Park.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.