Bangkok to Seoul BKK, DMK → ICN
Suvarnabhumi Airport (BKK), Don Mueang International Airport (DMK) → Incheon International Airport (ICN)
The cheapest return found recently is $326 with Shandong Airlines, 11 Aug 2027 – 21 Aug 2027, found today. The cheapest one-way found recently is $29 with T'way Air, 19 Nov, found 5 days ago.
Return
The cheapest return fare on each of 26 departure dates is usually $331 to $380.
Cheapest return found recently
$326
11 Aug 2027 – 21 Aug 2027 · Shandong Airlines
Suvarnabhumi Airport (BKK) → Incheon International Airport (ICN)
Leaves 2:50 a.m. · Return leaves 10:10 a.m. · 16 h 45 min of travel, both ways together
out 1 stop, back nonstop
found today
Cheapest nonstop return
None seen yet.
Found recently, and the cheapest we hold
$326 11 Aug 2027 – 21 Aug 2027found todaySee prices for these dates
$287 26 Oct – 26 Novfound 5 days agoSee prices for these dates
What have prices looked like?
Over 25 days, 24 Sept to 18 Oct, the cheapest return we saw each day was $243 to $274.
At $326, the cheapest return found recently is above that range.
25 days is a short history, so treat this range as an early guide.
Those were the prices on those days, not today's.
Is this a good return price?
Compared with the cheapest return fare on each of 26 departure dates from 24 Oct to 12 Aug 2027, found by travelers' searches in the last 7 days (economy, the price the seller showed on Aviasales). The usual range is the middle half of those prices.
Could nearby dates be cheaper?
We hold no other 10-night return fares leaving within 3 days of 11 Aug 2027 to compare.
Every date we hold
48 fares on 26 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 24 Oct – 7 Nov | $320 | China Southern Airlines | Suvarnabhumi Airport (BKK) → Incheon International Airport (ICN) | out 1 stop, back 1 stop | found 6 days ago | See prices for these dates |
| 26 Oct – 26 Nov | $287 | Thai Vietjet Air | Suvarnabhumi Airport (BKK) → Incheon International Airport (ICN) | out nonstop, back 1 stop | found 5 days ago | See prices for these dates |
| 6 Nov – 11 Nov | $390 | Air China | Suvarnabhumi Airport (BKK) → Incheon International Airport (ICN) | out 1 stop, back 1 stop | found 4 days ago | See prices for these dates |
| 7 Nov – 12 Nov | $382 | Shandong Airlines | Suvarnabhumi Airport (BKK) → Incheon International Airport (ICN) | out 1 stop, back 1 stop | found 4 days ago | See prices for these dates |
| 11 Nov – 12 Nov | $386 | Vietnam Airlines | Suvarnabhumi Airport (BKK) → Incheon International Airport (ICN) | out 1 stop, back 1 stop | found 3 days ago | See prices for these dates |
| 26 Nov – 26 Nov | $332 | Thai Vietjet Air | Suvarnabhumi Airport (BKK) → Incheon International Airport (ICN) | out nonstop, back 1 stop | found 3 days ago | See prices for these dates |
| 1 Dec – 16 Dec | $344 | Vietnam Airlines | Suvarnabhumi Airport (BKK) → Incheon International Airport (ICN) | out 1 stop, back 1 stop | found 5 days ago | See prices for these dates |
| 8 Dec – 16 Dec | $344 | Vietnam Airlines | Suvarnabhumi Airport (BKK) → Incheon International Airport (ICN) | out 1 stop, back 1 stop | found yesterday | See prices for these dates |
| 15 Dec – 17 Dec | $619 | AirAsia | Don Mueang International Airport (DMK) → Incheon International Airport (ICN) | out 1 stop, back 1 stop | found 5 days ago | See prices for these dates |
| 28 Dec – 18 Jan 2027 | $359 | China Southern Airlines | Suvarnabhumi Airport (BKK) → Incheon International Airport (ICN) | out 1 stop, back 1 stop | found yesterday | See prices for these dates |
| 24 Jan 2027 – 25 Jan 2027 | $365 | Shandong Airlines | Suvarnabhumi Airport (BKK) → Incheon International Airport (ICN) | out 1 stop, back 1 stop | found 5 days ago | See prices for these dates |
| 3 Feb 2027 – 6 Feb 2027 | $410 | Shandong Airlines | Suvarnabhumi Airport (BKK) → Incheon International Airport (ICN) | out 1 stop, back 1 stop | found 4 days ago | See prices for these dates |
| 8 Feb 2027 – 12 Feb 2027 | $375 | Shandong Airlines | Suvarnabhumi Airport (BKK) → Incheon International Airport (ICN) | out 1 stop, back 1 stop | found 4 days ago | See prices for these dates |
| 13 Mar 2027 – 3 Apr 2027 | $330 | Shandong Airlines | Suvarnabhumi Airport (BKK) → Incheon International Airport (ICN) | out 1 stop, back nonstop | found 3 days ago | See prices for these dates |
| 20 Mar 2027 – 26 Mar 2027 | $360 | Shandong Airlines | Suvarnabhumi Airport (BKK) → Incheon International Airport (ICN) | out 1 stop, back nonstop | found 3 days ago | See prices for these dates |
| 24 Mar 2027 – 28 Mar 2027 | $330 | Shandong Airlines | Suvarnabhumi Airport (BKK) → Incheon International Airport (ICN) | out 1 stop, back nonstop | found 3 days ago | See prices for these dates |
| 27 Mar 2027 – 3 Apr 2027 | $330 | Shandong Airlines | Suvarnabhumi Airport (BKK) → Incheon International Airport (ICN) | out 1 stop, back nonstop | found 3 days ago | See prices for these dates |
| 5 Apr 2027 – 13 Apr 2027 | $363 | Shandong Airlines | Suvarnabhumi Airport (BKK) → Incheon International Airport (ICN) | out 1 stop, back 1 stop | found yesterday | See prices for these dates |
| 7 Apr 2027 – 15 Apr 2027 | $363 | Shandong Airlines | Suvarnabhumi Airport (BKK) → Incheon International Airport (ICN) | out 1 stop, back 1 stop | found yesterday | See prices for these dates |
| 8 Apr 2027 – 13 Apr 2027 | $353 | Shandong Airlines | Suvarnabhumi Airport (BKK) → Incheon International Airport (ICN) | out 1 stop, back 1 stop | found 5 days ago | See prices for these dates |
| 9 Apr 2027 – 13 Apr 2027 | $391 | Vietjet | Suvarnabhumi Airport (BKK) → Incheon International Airport (ICN) | out 1 stop, back 1 stop | found 5 days ago | See prices for these dates |
| 11 Apr 2027 – 18 Apr 2027 | $413 | Xiamen Airlines | Suvarnabhumi Airport (BKK) → Incheon International Airport (ICN) | out 1 stop, back 1 stop | found 6 days ago | See prices for these dates |
| 17 Apr 2027 – 30 Apr 2027 | $373 | Shandong Airlines | Suvarnabhumi Airport (BKK) → Incheon International Airport (ICN) | out 1 stop, back 1 stop | found 5 days ago | See prices for these dates |
| 17 Jul 2027 – 24 Jul 2027 | $326 | Shandong Airlines | Suvarnabhumi Airport (BKK) → Incheon International Airport (ICN) | out 1 stop, back nonstop | found 4 days ago | See prices for these dates |
| 11 Aug 2027 – 21 Aug 2027 | $326 | Shandong Airlines | Suvarnabhumi Airport (BKK) → Incheon International Airport (ICN) | out 1 stop, back nonstop | found today | See prices for these dates |
| 12 Aug 2027 – 14 Aug 2027 | $372 | Shandong Airlines | Suvarnabhumi Airport (BKK) → Incheon International Airport (ICN) | out 1 stop, back 1 stop | found 2 days ago | See prices for these dates |
Which month looks cheapest?
October 2026 is the cheapest month — from $287.
Airlines on the cheapest dates: Shandong Airlines, Vietnam Airlines, China Southern Airlines, Thai Vietjet Air, Air China, AirAsia, Vietjet, Xiamen Airlines.
One-way
Not enough comparable prices yet for a usual one-way price.
Cheapest one-way found recently
$29
19 Nov · T'way Air
Suvarnabhumi Airport (BKK) → Incheon International Airport (ICN)
Leaves 1:30 a.m. · 5 h 30 min trip
nonstop
found 5 days ago
Cheapest nonstop one-way
$29
19 Nov · T'way Air
Suvarnabhumi Airport (BKK) → Incheon International Airport (ICN)
Leaves 1:30 a.m. · 5 h 30 min trip
nonstop
found 5 days ago
Found recently, and the cheapest we hold
$29 19 Novfound 5 days agoOpen this trip
It is also the cheapest one-way we hold, of any age.
What have prices looked like?
Over 22 days, 24 Sept to 18 Oct, the cheapest one-way we saw each day was $29 to $183.
At $29, the cheapest one-way found recently is at the low end of that range.
22 days is a short history, so treat this range as an early guide.
Those were the prices on those days, not today's.
Is this a good one-way price?
Not enough comparable prices yet: we hold one-way fares on 1 departure date and need at least 3 to say what is usual.
Could nearby dates be cheaper?
We hold no other one-way fares leaving within 3 days of 19 Nov to compare.
Every date we hold
1 fares on 1 departure dates
See every date as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 19 Nov | $29 | T'way Air | Suvarnabhumi Airport (BKK) → Incheon International Airport (ICN) | nonstop | found 5 days ago | Open this trip |
Airlines on the cheapest dates: T'way Air.
Premium cabin fares from Bangkok to Seoul
We hold no premium economy, business or first-class fares for this route: we collect them for the busiest routes, and this one is not among them yet.
Today's prices for 11 Aug 2027 – 21 Aug 2027 in another cabin: Premium economy · Business · First
Today's prices for 19 Nov in another cabin: Premium economy · Business · First
How far ahead were prices cheapest for Bangkok to Seoul?
Return
Fares 180 or more days before departure were typically 21% lower than 0 to 6 days before departure.
From the cheapest return each day between 24 Sept and 18 Oct (25 days), grouped by how many days ahead the flight left; one adult in economy.
Each range covers different departure dates, so this compares typical fares, not the same trip priced twice.
Prices reflect recent searches — current fares may differ.
See these ranges as a table
| Booked ahead by | Typical fare | Cheapest day | Above the cheapest | Days of prices |
|---|---|---|---|---|
| 0–6 days | $332 | $243 | +27% | 19 |
| 7–13 days | $321 | $243 | +23% | 23 |
| 14–29 days | $323 | $302 | +24% | 23 |
| 30–59 days | $303 | $274 | +16% | 24 |
| 60–89 days | $346 | $303 | +33% | 24 |
| 90–179 days | $319 | $307 | +22% | 25 |
| 180+ days | $261 | $252 | Cheapest seen | 25 |
One-way
Not enough history yet: in 22 days of one-way prices, 24 Sept to 18 Oct, fewer than 3 booking ranges had prices on 7 days or more.
Live price for these dates
The cheapest return found recently is for 11 Aug 2027 – 21 Aug 2027. A live search on this page shows what those dates cost now, for one adult in economy.
Prices are what travelers' searches on Aviasales found in the last 7 days, in US dollars: the price the seller showed on Aviasales; bags may cost extra. Fares change, so check today's price before you book. How our prices work