Cheap Flights from Seoul to Hanoi

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Flight deals from Seoul to Hanoi Airport

Looking for a cheap last-minute deal or the best return flight from Seoul to Hanoi Airport? If you want to travel next month, return fares start from $309. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Seoul to Hanoi

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

Direct flights from Seoul to Hanoi

Seoul to Hanoi: Alternative routes

Compare routes from Seoul to Hanoi below. You may find an airport to fly into that's cheaper, faster, or easier than Hanoi.

Seoul to Hanoi: Flight information

The things to know before you go.
Cheapest flight found$239
Cheapest month to flyNovember
Average flight time4 hrs, 50 mins
Most popular airlineKorean Air
Average flights per week597

Finding cheap flights from Seoul to Hanoi: Frequently asked questions

The best price we found for a return flight from Seoul to Hanoi is $239. 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 50 minutes is the average flight time from Seoul to Hanoi.
Korean Air, Vietnam Airlines and VietJet Air fly direct from Seoul to Hanoi.
As of March 2026, there are 199 flights per week flying from Seoul to Hanoi.
The cheapest month to fly from Seoul to Hanoi is usually November.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Seoul to Hanoi Airport on Saturday, 21 November 2026.
Yes – the average flight time is 4 hours and 50 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 Hanoi 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 Hanoi is around 40 days in advance, so don’t leave your flight to the last minute.
The cheapest airline that flies to Hanoi is VietJet Air .

Flying from Seoul to Hanoi Noi Bai International Airport (HAN): What you need to know

  • Seoul's main base, Seoul Incheon International Airport (ICN), is where plenty of awesome adventures begin. Explore your departure options from here for your flight from Seoul to Hanoi Noi Bai International Airport (HAN).

  • Expect to be travelling for 4 hours 50 minutes. On average, that's the time it takes for a direct Seoul to Hanoi Noi Bai International Airport flight.

  • The timezone in Hanoi is UTC+7, which is two hours behind Seoul. Hanoi Noi Bai International Airport is located in Hanoi.

  • The busiest route is from Seoul Incheon International Airport (ICN) to Hanoi Noi Bai International Airport (HAN), with 60 direct services every week. If you're looking to take off without delay, the earliest flight from ICN to HAN is the 6:25am VietJet Air service. If you prefer to leave later in the day, the last departure is at 9:20pm with Jeju Air.

  • Arrive at the airport on time so you don't miss your flight from Seoul to HAN. Be there at least two hours ahead for international flights and an hour early for domestic departures to avoid any last-minute rush.

  • During popular months such as January, it's a good idea to get to the airport well in advance. Plan to arrive two hours before a domestic departure and four hours ahead of an international flight whenever you're flying during peak periods in general.

Airports in Seoul

Seoul Incheon International Airport (ICN)

  • You can find a direct flight from Seoul to Hanoi Noi Bai International Airport (HAN) departing from Seoul Incheon International Airport (ICN).

  • These are some of the most well-known airlines offering direct flights from Seoul to Hanoi Noi Bai International Airport leaving from ICN:

  • The top choice among passengers flying between ICN and HAN is Korean Air.

  • Among carriers operating on this route, Vietnam Airlines leads the way for on-time arrivals.

  • A stopover is the perfect opportunity to break up your journey and perhaps even explore a different city. When searching for cheap flights from Seoul to HAN departing from Seoul Incheon International Airport (ICN), deselect the 'Direct flights only' box to discover where you can stop along the way. Some popular options include:

    • Taiwan Taoyuan International Airport (TPE)

    • Fukuoka Airport (FUK)

    • Busan Gimhae International Airport (PUS)

  • ICN is around 48 kilometres from central Seoul. If you're driving, ride-sharing or catching a taxi from the centre, it'll take 1 hour 5 minutes or so to get there, depending on traffic. If you're using public transport, expect the travel time to be around 50 minutes.

  • Want an easy start to your travels? Stay near Seoul Incheon International Airport. Whether you have an early flight from Seoul to Hanoi Noi Bai International Airport or just don't like being rushed, these hotels are the answer:

  • 74% of flights departing from Seoul Incheon International Airport land at their destination on time.

Seoul Gimpo International Airport (GMP)

  • Knock a new city off your list or just take some time to unwind with a stopover. If you'd like to break up your flight from Seoul to Hanoi Noi Bai International Airport, check out these options when departing from Seoul Gimpo International Airport:

    • Tokyo Haneda International Airport (HND)

    • Kansai International Airport (KIX)

    • Busan Gimhae International Airport (PUS)

  • Using public transport, you can travel from central Seoul to GMP in around 35 minutes. The terminal is roughly 16 kilometres away, and getting there by car takes approximately 30 minutes.

  • Catching the earliest flight? Think about staying at one of these accommodation options near Seoul Gimpo International Airport the day before your Seoul to HAN flight:

  • The majority of flights that depart Seoul Gimpo International Airport reach their destination as expected. It boasts an on-time performance rate of 80%.

About Hanoi Noi Bai International Airport (HAN)

Getting from Hanoi Noi Bai International Airport (HAN) to central Hanoi

  • Hanoi Noi Bai International Airport is around 31 kilometres from central Hanoi. It takes around 40 minutes or so to drive to the city.

  • Travelling on public transport typically takes 1 hour.

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

  • $100 is currently the best price for a one-way ticket from Seoul to Hanoi Noi Bai International Airport. A return flight starts from $239. These fares can change depending on demand and availability.

  • Book 11 months before you want to travel. Pricing trends show that this is the ideal window for finding cheap flights from Seoul to HAN.

  • April is when you're most likely to land a good deal on a Seoul to Hanoi Noi Bai International Airport ticket. If you're looking to travel during a different time of year, the 'Whole month' tool will show you the lowest prices for every month.

  • Stay on top of deals for plane tickets from Seoul to HAN by creating a Price Alert. We'll send you an email or notification through the app when a new discounted fare appears.

  • Find a cheap flight from Seoul to Hanoi Noi Bai International Airport by using filters. Choose your preferred duration, departure time and airlines, then sort the results by 'Cheapest' for the best deals.

The best time to fly from Seoul to Hanoi Noi Bai International Airport (HAN)

  • February is the most popular month for flights from Seoul to Hanoi Noi Bai International Airport (HAN). Visit Hanoi in December if you'd rather be there when it's quieter.

  • When booking your Seoul to HAN plane ticket, consider the type of weather you enjoy. June is the warmest month in Hanoi, with temperatures ranging from 25ºC to 36ºC.

  • Search for cheap tickets from Seoul to Hanoi Noi Bai International Airport in January if you want to travel in cooler conditions. Temperatures are at their lowest then, ranging between 10ºC and 23ºC.

More about Hanoi

  • Start your Hanoi trip off on the right foot by choosing the ideal place to stay. As soon as you've booked your flight from Seoul to Hanoi Noi Bai International Airport, check out our range of hotels including:

  • There are so many things to see and do in this city, it can be difficult to know where to begin. Ho Chi Minh Mausoleum, Thang Long Water Puppet Theatre and Hoan Kiem Lake Walking Street are popular attractions which should be on any good Hanoi itinerary.

Explore more of Vietnam

  • Around 225 kilometres east of Hanoi, Móng Cái is another essential stop in Vietnam. No visit is complete without checking out Baĩ biển Trà Cổ, Tra Co beach and Biển Trà cổ, Móng Cái, Quảng Ninh.

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