Cheap Flights from Seoul to Bangkok from $243 Return

Flight deals from Seoul to Bangkok

Looking for cheap tickets from Seoul to Bangkok, or a last-minute trip? Find the lowest prices on one-way and return tickets right here.

Bangkok.$243 per passenger.Departing Sun, 1 Jun, returning Thu, 5 Jun.Return flight with Vietnam Airlines.Outbound indirect flight with Vietnam Airlines, departs from Incheon International on Sun, 1 Jun, arriving in Bangkok Suvarnabhumi.Inbound indirect flight with Vietnam Airlines, departs from Bangkok Suvarnabhumi on Thu, 5 Jun, arriving in Incheon International.Price includes taxes and charges.From $243, select.

Flying from Seoul to Bangkok

Arm yourself with these facts on the fly.

Cheapest flight found	$243, Bangkok
Cheapest month to fly	June
Average flight time	6 hrs, 4 mins
Cheapest airport to fly from	Incheon International
Most popular airline	Korean Air

How to find cheap flights from Seoul to Bangkok

We've compared the best online travel agents and flight providers on the internet to find the cheapest plane tickets from Seoul to Bangkok. Other savvy travellers recently found return flights from $242 and one-way tickets from $97 one-way. Ready to join them? Here are a few tips to help you do it the smart way.

Fly from Incheon International into Bangkok

At the moment, the lowest priced flight tickets to Bangkok are from Incheon International Airport to Bangkok Suvarnabhumi Airport.

Fly in May

We crunched the flight calendar and found the cheapest time to fly from Seoul to Bangkok is currently May.

Fly on a Friday

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

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 Bangkok.

Watch as fares rise and fall

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

Relax – these are fee-free flight tickets

With us, there are no added fees – the Seoul to Bangkok 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 Bangkok flight price?

We looked at all of the upcoming return flights from Seoul to Bangkok we could find over the next 12 months. It looks like $242 is the best price. This is good, compared to the average Bangkok ticket price of $444.

What is the cheapest month to fly from Seoul to Bangkok?

The cheapest month to fly from Seoul to Bangkok is currently June.

Which upcoming date is cheapest to fly from Seoul to Bangkok on?

After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Seoul to Bangkok on Sunday, 1 June 2025.

Are there any direct flights from Seoul to Bangkok?

Incheon International Airport offers direct flights to Bangkok.

If I'm flying from Seoul, where in Bangkok is cheapest to fly into?

If you're flying from Seoul, the cheapest city in Bangkok to fly into is Bangkok. The cheapest airport serving Bangkok at the moment is Bangkok Suvarnabhumi.