Cheap flights from Seoul to Bangkok

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Flight deals from Seoul to Bangkok

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

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Find the cheapest month to fly from Seoul to Bangkok

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

Direct flights from Seoul to Bangkok

Alternative Seoul to Bangkok routes

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

Seoul to Bangkok: Flight information

The things to know before you go.
Cheapest flight foundC$246
Cheapest month to flySeptember
Average flight time5 hrs, 52 mins
Most popular airlineAsiana Airlines
Average flights per week204

Finding cheap flights from Seoul to Bangkok: Frequently asked questions

There are 2 airports in Bangkok: Don Mueang and Bangkok Suvarnabhumi.
The best price we found for a round-trip flight from Seoul to Bangkok is C$246. 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.
5 hours and 52 minutes is the average flight time from Seoul to Bangkok.
Asiana Airlines, Thai Airways and Korean Air fly direct from Seoul to Bangkok.
There are 203 flights per week flying from Seoul to Bangkok, as of May 2024.
The cheapest month to fly from Seoul to Bangkok is usually September.
If you're flying from Seoul, the cheapest airport near Bangkok is Bangkok Suvarnabhumi – which is 28.5 km away from the center of Bangkok. We've found flights to this airport from C$246.
After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Seoul to Bangkok on Thursday, September 5, 2024.
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 Bangkok 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 Bangkok is around 40 days in advance, so don’t leave your flight to the last minute.
In May, the average temperature is usually around 30°C. April is typically the warmest month in Bangkok, when it usually averages around 35°C. You can expect the least rain in December. The coldest month is November, with temperatures averaging 22°C. The rainiest month is September.
The cheapest airline that flies to Bangkok is Shandong Airlines, and the cheapest airline that flies to Bangkok Suvarnabhumi Airport is Jeju Air.

Each week, there are 114 direct flights between Seoul, South Korea and Bangkok, Thailand. Although Seoul has two main airports, the city's Gimpo International Airport (GMP) doesn't offer flights to Thailand. The non-stop trips to Bangkok's Suvarnabhumi Airport (BKK) and Don Mueang International Airport (DMK) all begin at Incheon International Airport (ICN) in South Korea. The trip itself lasts slightly longer than 5 hours, as the plane covers 3,681 km of land and sea. There are about 17 direct flights everyday from ICN to BKK and DMK.

Use Skyscanner to find the cheapest airfares between Seoul and Bangkok. Our Price Alerts feature lets you sign-up for customized email alerts, while the Cheapest Month search can find the most affordable times to fly. If you prefer to book your tickets from an iPhone, Android, or tablet, Skyscanner does provide a free travel app for download.

Airports in Seoul, South Korea

Incheon International Airport (ICN)

Famous for being the largest airport in South Korea, Incheon International Airport (ICN) provides flights to both Bangkok's Suvarnabhumi Airport (BKK) and Don Mueang International Airport (DMK). It's located just west of Seoul's city centre. The facilities host some fantastic features, like a skating rink, a golf course, luxury spa, sleeping pods, indoor gardens, a casino, and even the Museum of Korean Culture!

Airlines that offer direct flights to Bangkok-Suvarnabhumi: Asiana Airlines, Eastar Jet, Jeju Air, Jin Air, Korean Air, Thai Airways, and T'way Airlines.

Airlines that offer direct flights to Bangkok-Don Mueang: Thai AirAsia X.

Check-In: Incheon International Airport (ICN)

Since Seoul to Bangkok is an international flight, it's recommended that travellers arrive at the airport about three hours early. Major airlines often allow you to begin the check-in process online. At the airport, you'll still need to drop-off your baggage and go through airport security. A valid passport must be presented to board the plane and enter into Thailand.

Airports in Bangkok, Thailand

Suvarnabhumi Airport (BKK)

Also known as Bangkok International Airport, the city's main airport is Suvarnabhumi Airport, located 25 km east of downtown. It's one of Southeast Asia's biggest airports and the main hub for Bangkok Airways,Thai Airways International, and Thai Smile Airways. The facilities are filled with top-quality amenities for travellers. There are lavish hotels on-site, plus a children's playground, an internet café, and a luxury spa with sauna included. For dining and shopping, you'll find an incredible selection in both Arrivals and Departures.

Don Mueang International Airport (DMK)

Besides being Bangkok's secondary airport, Don Mueang International Airport is also the world's biggest facility for low-cost carriers. That being said, the planes from DMK travel exclusively within Asia. The airport is situated 26 km north of Downtown Bangkok. Its facilities have been recently renovated, so everywhere you look is bright and pristine. There's also an impressive collection of shops, including duty-free stores, Thai silk boutiques, and perfume counters.

Need a place to stay in Bangkok? How about a great rental car? Skyscanner provides excellent rates on car hire services and top-rated hotels in Thailand.


More flight options

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