฿3,091 Find Cheap Flights from Seoul Incheon Airport to Bangkok – Compare and Save

Among airlines operating Incheon Intl Airport to Bangkok flights:

• AIR PREMIA: offers free seat selection
• Jeju Air: offers free seat selection
• Thai Airways: offers free seat selection
• Thai Vietjet Air: offers free seat selection
• Asiana Airlines: offers free seat selection

Extra legroom and free seat selection availability depends on fare class and route.

11 airlines operate flights between Incheon Intl Airport and Bangkok. The airlines offering direct flights on this route include:

• Korean Air
• Thai Airways
• Asiana Airlines
• Trinity Airways
• Thai Vietjet Air
• Jeju Air

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

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

• AIR PREMIA: a cabin bag and a checked bag in Economy class
• Jeju Air: a cabin bag and a checked bag in Economy class
• Trinity Airways: 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.

Three cabin classes are available on flights from Incheon Intl Airport to Bangkok:

• Economy class
• Premium Economy Class
• Business Class

On this route, stopover flights are cheaper than direct options on average. Stopover fares average ฿6,775 return via Nanjing Lukou Intl (NKG), compared with ฿8,857 for direct.

There is no standard. Checked bag policies vary by airline on this route. Most carriers charge ฿497–฿3,288 for the first checked bag in Economy. Premium fares and elite status bookings typically include a free checked bag.

One-stop flights from Incheon Intl Airport to Bangkok most commonly connect through:

• Hanoi Noibai (HAN) – 27% of one-stop connections
• Hong Kong Intl (HKG) – 17% of one-stop connections
• Qingdao Jiaodong Intl (TAO) – 10% of one-stop connections
• Beijing Capital (PEK) – 9% of one-stop connections

Hanoi Noibai (HAN) handles the largest share of one-stop connections on this route.

Yes. Being flexible with your travel dates can save you up to 14% on the Incheon Intl Airport to Bangkok route. Monday is the cheapest departure day at ฿8,286 return on average, while Friday is the most expensive at ฿9,601, a difference of ฿1,315. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

A flight is considered delayed when it departs 15 minutes or more after its scheduled time. This is the standard used by the US Department of Transportation and most airline industry reporting. On the Incheon Intl Airport to Bangkok route, 18% of flights were delayed in the past 3 months, with delays averaging 1 hour 53 minutes.

Evening is the busiest departure period on Incheon Intl Airport to Bangkok flights, with 50% leaving in that window. Morning departures account for 29%, Afternoon flights for 14%, and Night flights for 7%.

Some of the most popular sights in Bangkok are Victory Monument, Thammasat University, and Centralworld. These are among the most viewed places in Bangkok on KAYAK.

These are the earliest and latest flight times available from Incheon Intl Airport to Bangkok:

• Earliest: departs at 07:05 and lands at 13:03
• Latest: departs at 21:15 and lands at 03:13.

The flight takes about 5h 58m.

Last-minute fares on this route (booked within 2 weeks of departure) run 3% above the route average of ฿8,831. Book 6 weeks before departure for the lowest fares.

A direct flight from Incheon Intl Airport to Bangkok takes 5h 58m, covering 5,911 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 Incheon Intl Airport to Bangkok are currently lower than usual. Average one-way flight prices are about ฿3,239, which is 30% below the typical average for this route.

AIR PREMIA is slightly above the route average for timely arrivals, while Thai Airways has a lower on-time arrival rate. On-time arrival rates on Incheon Intl Airport to Bangkok flights are:

• AIR PREMIA: 97% on time
• Thai Airways: 96% on time
• Air Busan: 95% on time

On average, flights on this route are punctual 82% of the time.

Night flights have the fewest delays on this route. Delays tend to pile up throughout the day as one late flight pushes the next, so earlier departures are usually more reliable.

Flying via Hong Kong Intl (HKG) gives the shortest average 1-stop total travel time of 9h 23m, compared to 9h 35m via Da Nang (DAD) and 9h 44m via Guangzhou Baiyun (CAN).

Bangkok is 2 hours behind Incheon Intl Airport (Indochina Time vs Korean Time). Plan for the time shift when scheduling connections or first-day activities.

Since Bangkok is served by multiple airports, car rental options and rates can vary depending on which one you fly into.
Near Bangkok Suvarnabhumi Airport (BKK) – daily rates from around ฿441:

• Drive Car Rental
• Alamo
• Sixt
• Yesaway
• Hertz

Near Bangkok Don Mueang Intl Airport (DMK) – daily rates from around ฿223:

• Drive Car Rental
• Alamo
• THAIRENTACAR
• Enterprise Rent-A-Car
• Chic Car Rent

Return flights from Incheon Intl Airport to Bangkok range from ฿6,462 to ฿11,893, with an average of ฿8,831 over the past 12 months. Anything below ฿6,462 counts as a good deal.

Asiana Airlines is the only airline on the Incheon Intl Airport to Bangkok route offering in-flight Wi-Fi. Pricing depends on fare class.