Seoul to Bangkok in December 2026
SEL to BKK · Round trips departing in December · Economy · Prices per person in USD
Prices updated
Typical in December
$326
Median of 31 date combinations
Usual on this route
$311
December's cheapest is 2% less
Typical price — worth watching
About the usual $311. Based on 47 days of prices.
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December 2026 by departure day
Cheapest round trip leaving that day| Mon | Tue | Wed | Thu | Fri | Sat | Sun |
|---|---|---|---|---|---|---|
| 1 $324 | 2 $305 | 3 | 4 $339 | 5 $306 | 6 $327 | |
| 7 $316 | 8 $311 | 9 $304 | 10 $322 | 11 $310 | 12 $328 | 13 |
| 14 $326 | 15 | 16 | 17 | 18 | 19 | 20 $340 |
| 21 $318 | 22 | 23 $342 | 24 $313 | 25 $364 | 26 | 27 $325 |
| 28 $435 | 29 $371 | 30 $397 | 31 |
Empty days: no round trip found for that departure date yet. Green = cheapest third of the month.
Cheapest dates in December 2026
Round trip, per person-
Dec 9 – 16 7 nights · leave Wed$304Shandong Airlines 1 stop · 6h 55mBook
-
Dec 2 – 10 8 nights · leave Wed$305Shandong Airlines 1 stop · 6h 55mBook
-
Dec 5 – 10 5 nights · leave Sat$306Shandong Airlines 1 stop · 6h 55mBook
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Dec 11 – 19 8 nights · leave Fri$310China Eastern 1 stop · 7h 10mBook
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Dec 8 – 17 9 nights · leave Tue$311China Eastern 1 stop · 7h 10mBook
-
Dec 5 – 11 6 nights · leave Sat$313Vietnam Airlines 1 stop · 6h 55mBook
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Dec 24 – Jan 7, 2027 14 nights · leave Thu$313Shandong Airlines 1 stop · 7h 05mBook
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Dec 7 – 13 6 nights · leave Mon$316China Eastern 2 stops · 7h 55mBook
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Dec 21 – Jan 5, 2027 15 nights · leave Mon$318China Eastern 2 stops · 7h 55mBook
-
Dec 5 – 7 2 nights · leave Sat$322Vietnam Airlines 1 stop · 6h 55mBook
Prices change often. The booking site shows the final price before you pay.
Cheapest by trip length
2–4 nights
$322
Dec 5 – 7 · 8 options
5–7 nights
$304
Dec 9 – 16 · 11 options
8–14 nights
$305
Dec 2 – 10 · 9 options
15–21 nights
$318
Dec 21 – Jan 5, 2027 · 3 options
Good to know for December
Airlines with cheap fares
4 airlines
Most often: China Eastern, Shandong Airlines, Vietnam Airlines.
December vs other months
Cheapest round trip per departure month| Month | Cheapest round trip |
|---|---|
| November 2026 | $290 (cheapest month) |
| December 2026 | $303 |
| January 2027 | $328 |
| February 2027 | $333 |
| March 2027 | $311 |
| April 2027 | $305 |
| May 2027 | $323 |
| June 2027 | $325 |
| July 2027 | $329 |
| August 2027 | $295 |
| September 2027 | No fares found yet |
| October 2027 | $308 |
Seoul to Bangkok in December: questions
What's the cheapest date to fly from Seoul to Bangkok in December 2026?
Leaving Wednesday, December 9 and returning Wednesday, December 16 (7 nights) for $304 round trip on Shandong Airlines, the cheapest of the 31 date combinations we track that month.
How much is a round trip from Seoul to Bangkok in December 2026?
From $304. Half of the 31 date combinations we track are under $326. Prices are per person in USD and change often.
Is December a cheap month to fly from Seoul to Bangkok?
It ranks 3 of 11 months we have prices for. The cheapest month is November 2026, from $290.