Seoul to Osaka in December 2026
SEL to OSA · Round trips departing in December · Economy · Prices per person in USD
Prices updated
Typical in December
$216
Median of 19 date combinations
Usual on this route
$202
December's cheapest is 20% less
Good price — book if the dates work
20% below the usual $202. Based on 46 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 $193 | 2 $169 | 3 | 4 $260 | 5 | 6 | |
| 7 | 8 | 9 $172 | 10 $233 | 11 $254 | 12 | 13 |
| 14 $194 | 15 | 16 $212 | 17 | 18 | 19 | 20 $255 |
| 21 $223 | 22 | 23 $317 | 24 | 25 | 26 | 27 |
| 28 | 29 $162 | 30 | 31 $216 |
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 29 – Jan 7, 2027 9 nights · leave Tue$162Peach Nonstop · 1h 45mBook
-
Dec 2 – 9 7 nights · leave Wed$169Trinity Airways Nonstop · 2h 00mBook
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Dec 9 – 15 6 nights · leave Wed$172Air Seoul Nonstop · 1h 40mBook
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Dec 1 – 4 3 nights · leave Tue$193Trinity Airways Nonstop · 2h 00mBook
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Dec 2 – 8 6 nights · leave Wed$194Trinity Airways Nonstop · 2h 00mBook
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Dec 14 – 17 3 nights · leave Mon$194Eastar Jet Nonstop · 1h 50mBook
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Dec 2 – 7 5 nights · leave Wed$211Peach Nonstop · 1h 45mBook
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Dec 16 – 18 2 nights · leave Wed$212Eastar Jet Nonstop · 1h 55mBook
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Dec 1 – 5 4 nights · leave Tue$215Air Seoul Nonstop · 1h 40mBook
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Dec 31 – Jan 7, 2027 7 nights · leave Thu$216Peach Nonstop · 1h 45mBook
Prices change often. The booking site shows the final price before you pay.
Cheapest by trip length
2–4 nights
$193
Dec 1 – 4 · 11 options
5–7 nights
$169
Dec 2 – 9 · 6 options
8–14 nights
$162
Dec 29 – Jan 7, 2027 · 2 options
Good to know for December
Nonstop flights
Nonstop from $162
100% of the 19 date combinations we track are nonstop.
Airlines with cheap fares
5 airlines
Most often: Peach, Trinity Airways, Air Seoul.
December vs other months
Cheapest round trip per departure month| Month | Cheapest round trip |
|---|---|
| November 2026 | $171 |
| December 2026 | $159 (cheapest month) |
| January 2027 | $187 |
| February 2027 | $216 |
| March 2027 | $176 |
| April 2027 | $281 |
| May 2027 | $283 |
| June 2027 | No fares found yet |
| July 2027 | No fares found yet |
| August 2027 | No fares found yet |
| September 2027 | No fares found yet |
| October 2027 | $248 |
Seoul to Osaka in December: questions
What's the cheapest date to fly from Seoul to Osaka in December 2026?
Leaving Tuesday, December 29 and returning Thursday, January 7 (9 nights) for $162 round trip on Peach, the cheapest of the 19 date combinations we track that month.
How much is a round trip from Seoul to Osaka in December 2026?
From $162. Half of the 19 date combinations we track are under $216. Prices are per person in USD and change often.
Is December a cheap month to fly from Seoul to Osaka?
Yes. It's the cheapest of the 8 months ahead we have prices for.