฿4,439 Find Cheap Flights from Bangkok Don Mueang Intl to Seoul – Compare and Save

2 airlines operate flights between Bangkok Don Mueang Intl Airport and Seoul. The airlines offering direct flights on this route include:

• Thai AirAsia
• Thai Lion Air

Flights from Bangkok Don Mueang Intl Airport to Seoul usually depart from Bangkok Don Mueang Intl (DMK) and may arrive at several airports in Seoul area, including Seoul Gimpo Intl (GMP) and Incheon Intl (ICN).

Here are some options for this route, based on selected ticket types and cabin classes:

• Thai AirAsia: a cabin bag and a checked bag in Economy class

Bag allowance can vary by ticket type, cabin class, route, and airline, so travellers should check the fare details before booking.

Only Economy class is available on flights from Bangkok Don Mueang Intl Airport to Seoul.

On this route, direct flights are cheaper than stopover options on average. Direct fares average ฿8,548 return, compared with ฿11,875 via a stopover through Hong Kong Intl (HKG).

There is no standard. Checked bag policies vary by airline on this route. Most carriers charge ฿989–฿3,288 for the first checked bag in Economy. Premium fares and elite status bookings typically include a free checked bag.

Connecting flights from Bangkok Don Mueang Intl Airport to Seoul most commonly pass through:

• Kaohsiung City (KHH) – 67% of one-stop connections
• Hong Kong Intl (HKG) – 33% of one-stop connections
Together, these airports account for 100% of one-stop bookings on this route.

Yes. Being flexible with your travel dates can save you up to 11% on the Bangkok Don Mueang Intl Airport to Seoul route. Tuesday is the cheapest departure day at ฿8,154 return on average, while Friday is the most expensive at ฿9,075, a difference of ฿921. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

Night is the busiest departure period on Bangkok Don Mueang Intl Airport to Seoul flights, with 100% leaving in that window. Morning departures account for 0%, Afternoon flights for 0%, and Evening flights for 0%.

Some of the most popular sights in Seoul are Hongdae Area, Dongdaemun History & Culture Park Subway Station (Line 2 & 4 & 5), and Myeong-dong Subway Station. These are among the most viewed places in Seoul on KAYAK.

These are the earliest and latest flight times available from Bangkok Don Mueang Intl Airport to Seoul:

• Earliest: departs at 02:30 and lands at 08:11
• Latest: departs at 05:10 and lands at 10:51.

The flight takes about 5h 41m.

Last-minute fares on this route (booked within 2 weeks of departure) run 13% above the route average of ฿8,569. Book 26 weeks before departure for the lowest fares.

A direct flight from Bangkok Don Mueang Intl Airport to Seoul takes 5h 41m, covering 5,952 km.

Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

One-way fares from Bangkok Don Mueang Intl Airport to Seoul are currently lower than usual. Average one-way flight prices are about ฿4,459, which is 15% below the typical average for this route.

Flying via Hong Kong Intl (HKG) gives the shortest average 1-stop total travel time of 9h 19m, compared to 11h 06m via Kaohsiung City (KHH).

Seoul is 2 hours ahead of Bangkok Don Mueang Intl Airport (Korean Time vs Indochina Time). Plan for the time shift when scheduling connections or first-day activities.

Since Seoul is served by multiple airports, car rental options and rates can vary depending on which one you fly into.
Near Incheon Intl Airport (ICN) – daily rates from around ฿396:

• WECAR
• Wheego
• Yesaway
• Alamo
• Enterprise Rent-A-Car

Near Seoul Gimpo Intl Airport (GMP) – daily rates from around ฿380:

• Yesaway
• Hi Rent
• Wheego
• Europcar
• Bella Jeju

Return flights from Bangkok Don Mueang Intl Airport to Seoul range from ฿6,879 to ฿10,744, with an average of ฿8,569 over the past 12 months. Anything below ฿6,879 counts as a good deal.