Cheap Flights from Seoul to Red River Delta from $115 Roundtrip

Flight deals from Seoul to Red River Delta

Looking for cheap flights from Seoul to Red River Delta, or a last-minute trip? Find the lowest prices on one-way and round-trip flights right here.

Haiphong.$115 per passenger.Departing Thu, Sep 11, returning Sun, Sep 21.Round-trip flight with VietJet Air.Outbound direct flight with VietJet Air departing from Incheon International on Thu, Sep 11, arriving in Haiphong.Inbound direct flight with VietJet Air departing from Haiphong on Sun, Sep 21, arriving in Incheon International.Price includes taxes and charges.From $115, select.

Hanoi.$121 per passenger.Departing Wed, Sep 10, returning Wed, Oct 1.Round-trip flight with VietJet Air.Outbound direct flight with VietJet Air departing from Incheon International on Wed, Sep 10, arriving in Hanoi.Inbound direct flight with VietJet Air departing from Hanoi on Wed, Oct 1, arriving in Incheon International.Price includes taxes and charges.From $121, select.

Flying from Seoul to Red River Delta

Arm yourself with these facts on the fly.

Cheapest flight found	$115, Haiphong
Cheapest month to fly	September
Average flight time	4 hrs, 54 mins
Cheapest airport to fly from	Incheon International
Most popular airline	VietJet Air

How to find cheap flights from Seoul to Red River Delta

We've compared the best online travel agents and flight providers on the Internet to find the cheapest plane tickets from Seoul to Red River Delta. Other savvy travelers recently found round-trip flights from $115 and one-way tickets from $47. Ready to join them? Here are a few tips to help you do it the smart way.

Fly from Incheon International into Hanoi

At the moment, the lowest-priced flight tickets to Red River Delta are from Incheon International Airport to Hanoi Airport.

Fly in September

We crunched the flight calendar and found the cheapest time to fly from Seoul to Red River Delta is currently September.

Fly on a Friday

From our data, we can see that Friday seems to be the cheapest time to fly from Seoul to Red River Delta.

Flex your dates for the best rates

If you’re flexible on your departure dates, you can use Skyscanner's whole month tool to find the cheapest day of the year to fly from Seoul to anywhere you choose in Red River Delta.

Watch as flight prices go up and down

With Price Alerts, we'll let you know when flight prices from Seoul to Red River Delta go up or down so you can book when the time is just right.

Relax – these are fee-free plane tickets

With us, there are no added fees – the Seoul to Red River Delta flight price you see when you search with us is what you pay to the provider.

Frequently asked questions

What's the average Seoul to Red River Delta flight price?

We looked at all of the upcoming round-trip flights from Seoul to Red River Delta we could find over the next 12 months. It looks like $115 is the best price. This is good, compared to the average Red River Delta ticket price of $216.

What is the cheapest month to fly from Seoul to Red River Delta?

The cheapest month to fly from Seoul to Haiphong Airport is currently September. The cheapest month to fly from Seoul to Hanoi Airport is usually September.

On which upcoming date is it cheapest to fly from Seoul to Red River Delta?

After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Seoul to Red River Delta on Thursday, September 11, 2025.

Are there any direct flights from Seoul to Red River Delta?

Incheon International Airport offers direct flights to Red River Delta.

If I'm flying from Seoul, where in Red River Delta is cheapest to fly to?

If you're flying from Seoul, the cheapest city in Red River Delta to fly into is Haiphong. The cheapest airport serving Haiphong at the moment is Haiphong.