Vietnam Airlines
FromS$ 204
Find the Best Flight from Bangkok to Seoul
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Cheap Flights from Bangkok to Seoul
Recommended flights
Handpicked routes tailored to your travel needs
Best deal
A great-value option with very low fares and a reasonable travel duration
Thu, Jul 9
S$ 256
00:05BKK
5h 35m
Direct07:40SEL
T'Way Air | 
Included S$ 256
Fastest routes
Fastest direct Flights to your destination
Sun, Jul 12
S$ 395
01:35BKK
5h 20m
Direct08:55SEL
Asiana Airlines | Included S$ 395
Recommended option
Comfortable travel option with ideal times and baggage included.
Thu, Jun 18
S$ 4,950
15:05BKK
17h 45m
1 stop10:50SEL
Etihad Airways | Included S$ 4,950
Recommended premium option
Enjoy ultimate comfort for almost the price of economy
Mon, Jul 13
Business/first S$ 355
19:50BKK
14h 40m
1 stop12:30SEL
Xiamen Airlines | Included S$ 355
Best deal
A great-value option with very low fares and a reasonable travel duration
Fri, Jul 17 - Tue, Jul 21
S$ 415
00:05BKK
5h 35m
Direct07:40SEL
18:00ICN
6h 5m
Direct22:05 BKK
T'Way Air | T'Way Air Included S$ 415
Fastest routes
Fastest direct Flights to your destination
Mon, Jul 6 - Mon, Jul 13
S$ 1,549
01:35BKK
5h 20m
Direct08:55SEL
07:05ICN
5h 35m
Direct10:40 BKK
Asiana Airlines | Asiana Airlines Included S$ 1,549
Recommended premium option
Enjoy ultimate comfort for almost the price of economy
Mon, Aug 10 - Fri, Aug 14
Business/first S$ 1,670
19:50BKK
14h 40m
1 stop12:30SEL
12:55ICN
25h 35m
1 stop12:30 BKK
Xiamen Airlines | 
China Eastern Airlines Included S$ 1,670
Economy Class: Cheap Flights from Bangkok to Seoul.
Explore great-value flights tailored to your needs
Great value
Save more with cheap connecting flights
Tue, Jun 23 - Fri, Jun 26
02:10
BKK
14h 20m
1 stop
18:30
ICN
12:15
ICN
14h 20m
1 stop
01:50
BKK
14h 20m · 1 stop 15h 35m · 1 stop
Fri, Jul 17 - Tue, Jul 21
00:05
BKK
5h 35m
Direct
07:40
ICN
18:00
ICN
5h 35m
Direct
22:05
BKK
5h 35m · Direct
6h 5m · Direct
Fly overnight
Arrive the next morning and save on a hotel night
Mon, Jun 15 - Mon, Jun 22
23:40
BKK
17h 35m
1 stop
19:15
ICN
20:30
ICN
17h 35m
1 stop
12:10
BKK
17h 35m · 1 stop
17h 40m · 1 stop
Bonus stop
Visit another city during a long layover
Fri, Jun 19 - Thu, Jun 25
21:55
BKK
19h 55m in Jinan
1 stop
19:50
GMP
08:35
ICN
19h 55m in Jinan
1 stop
01:25
BKK
19h 55m · 1 stop
18h 50m · 1 stop
Fri, Jun 19 - Thu, Jun 25
13:35
BKK
29h 10m in Jinan
1 stop
20:45
ICN
08:35
ICN
29h 10m in Jinan
1 stop
01:25
BKK
29h 10m · 1 stop
18h 50m · 1 stop
Mon, Jun 15 - Thu, Jun 18
13:35
BKK
19h 25m in Qingdao
1 stop
11:00
GMP
21:45
ICN
19h 25m in Qingdao
1 stop
01:50
BKK
19h 25m · 1 stop
30h 5m · 1 stop
Trip.com Price Insights on Flights from Bangkok to Seoul.
What is the cheapest month for one-way flights from Bangkok to Seoul?
Based on Trip.com’s data, the cheapest month for flights from Bangkok to Seoul is October, with an average price of S$ 85, and the most expensive month is August, with an average price of up to S$ 151.
S$ 151
S$ 118
S$ 85
S$ 52
What is the cheapest month for round-trip flights from Bangkok to Seoul?
Based on Trip.com’s data, the cheapest month for round-trip flights from Bangkok to Seoul is March, with an average price of S$ 247, and the most expensive month is June, with an average price of up to S$ 513.
S$ 513
S$ 380
S$ 247
S$ 114
Fly with trusted airlines from Bangkok to Seoul
View top-rated airlines and find the best travel options.
SkyTeam
Explore More
China Eastern Airlines
FromS$ 217Xiamen Airlines
FromS$ 401
Oneworld
Explore More
Malaysia Airlines
FromS$ 409
Cathay Pacific
FromS$ 423
Japan Airlines
FromS$ 909
Star Alliance
Explore More
Thai Airways
FromS$ 276
Air China
FromS$ 303Asiana Airlines
FromS$ 501
Low-cost carrier (LCC)
Explore More
Jin Air
FromS$ 199
Cebu Pacific
FromS$ 233T'Way Air
FromS$ 256
Flight + hotel bundle for Bangkok to Seoul
Save more with bundled bookings and enjoy worry-free travel.
Return Jun 15 - Jun 20
Golden Seoul Hotel 
10% off S$ 1,179 S$ 1,058
per person
Return Jun 23 - Jun 28
Gangnam Artnouveau City
3% off S$ 1,102 S$ 1,066
per person
Return Jun 23 - Jun 28
SR Hotel Sadang
5% off S$ 1,135 S$ 1,074
per person
Return Jun 23 - Jun 28
Stanford Hotel Seoul
5% off S$ 1,137 S$ 1,082
per person
Flying from Bangkok to Seoul
The distance between Bangkok and Seoul is approximately 3,717.66km. It takes around 5 hours 31 minutes on average to fly from Bangkok to Seoul. Based on Trip.com's data, travel demand peaks in July. The off-season for travel is October.
| Cheapest one-way flight price | S$ 189 |
|---|---|
| Cheapest return ticket price | S$ 350 |
| Off-season for travel | October |
| Peak season for travel | July |
| Flight distance | 3,717.66km |
| Average flight time | 5 hours 31 minutes |
| Popular airline | Thai Airways |
Flight statistics for the Bangkok–Seoul route are based on aggregated booking data from Trip.com over the past 12 months.
Frequently Asked Questions
Which airlines offer direct flights from Bangkok to Seoul?
At the moment, you can catch a direct flight from Bangkok to Seoul with the following airlines, including: Thai Airways T'Way Air Air Premia Korean Air Asiana Airlines Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.How long is a flight from Bangkok (BKK) to Seoul (SEL)?
It takes about 5 hours 31 minutes to fly from Bangkok (BKK) to Seoul (SEL).When is the best time to book flights from Bangkok to Seoul?
By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Bangkok to Seoul is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.How many flights are there per week from Bangkok to Seoul?
Based on Trip.com data in the past 4 weeks, there is 38 flight per week flying from Bangkok to Seoul. You can check the weekly schedule for popular airlines on this route below: Asiana Airlines: S/M/T/W/T/F/S -- OZ744 (12:20)How can I find the best deals on flights from Bangkok to Seoul?
To find best deals on flights from Bangkok to Seoul, you can use various tools on Trip.com:
· Set up price alerts to easily monitor ticket prices without having to check every day.
· Check Trip.com flight deals and promo codes frequently.
· Get exclusive promo codes for Trip.com app users.When is the best time to book a flight from Bangkok to Seoul to get the best price?
The cheapest months to fly from Bangkok to Seoul is October, when demand for travel is lower.Which upcoming date is the cheapest for flights from Bangkok to Seoul?
After crunching the numbers on our June flight calendar, it's currently cheapest to fly from Bangkok to Seoul on June 16, 2026 with Thai AirAsia, with prices starting at S$ 166.Which airports can I fly through when travelling to Seoul from Bangkok?
You can land at any one of the following hubs in Seoul, with Suvarnabhumi Airport to Incheon International Airport (BKK-ICN) is by far the most common option on this route: Incheon International Airport (ICN) Gimpo International Airport (GMP).What is the time difference between Bangkok and Seoul?
The time difference between Seoul and Bangkok is 2h.How can I change or cancel my flight ticket from Bangkok to Seoul?
Tickets can only be changed or cancelled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.