Madrid to Buenos Aires in December 2026
MAD to BUE · Round trips departing in December · Economy · Prices per person in USD
Prices updated
Typical in December
$1,491
Median of 15 date combinations
Usual on this route
$918
December runs above usual
Higher than usual — set an alert
10% above the usual $918. Based on 7 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 $1,008 | 2 | 3 $1,151 | 4 | 5 | 6 | |
| 7 $1,155 | 8 | 9 | 10 $1,181 | 11 | 12 $1,537 | 13 |
| 14 | 15 | 16 | 17 $1,623 | 18 | 19 | 20 $1,520 |
| 21 $1,839 | 22 $1,806 | 23 | 24 | 25 $1,491 | 26 $1,721 | 27 |
| 28 | 29 | 30 $1,481 | 31 $1,232 |
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 1 – 6 5 nights · leave Tue$1,008American Airlines 2 stops · 21h 40mBook
-
Dec 1 – 7 6 nights · leave Tue$1,151United Airlines 2 stops · 22h 26mBook
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Dec 3 – 12 9 nights · leave Thu$1,151American Airlines 1 stop · 18h 50mBook
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Dec 7 – 21 14 nights · leave Mon$1,155American Airlines 1 stop · 18h 50mBook
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Dec 10 – 24 14 nights · leave Thu$1,181American Airlines 1 stop · 21h 35mBook
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Dec 31 – Jan 14, 2027 14 nights · leave Thu$1,232Air China 1 stop · 14h 00mBook
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Dec 30 – Jan 13, 2027 14 nights · leave Wed$1,481Air China 2 stops · 13h 50mBook
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Dec 25 – Jan 15, 2027 21 nights · leave Fri$1,491American Airlines 1 stop · 18h 40mBook
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Dec 20 – 31 11 nights · leave Sun$1,520American Airlines 1 stop · 19h 20mBook
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Dec 12 – 29 17 nights · leave Sat$1,537Ethiopian Airlines 1 stop · 23h 05mBook
Prices change often. The booking site shows the final price before you pay.
Cheapest by trip length
5–7 nights
$1,008
Dec 1 – 6 · 4 options
8–14 nights
$1,151
Dec 3 – 12 · 7 options
15–21 nights
$1,491
Dec 25 – Jan 15, 2027 · 4 options
Good to know for December
Airlines with cheap fares
6 airlines
Most often: American Airlines, Air China, LATAM Airlines Group.
December vs other months
Cheapest round trip per departure month| Month | Cheapest round trip |
|---|---|
| November 2026 | $763 |
| December 2026 | $1,008 |
| January 2027 | $906 |
| February 2027 | $931 |
| March 2027 | $757 (cheapest month) |
| April 2027 | $797 |
| May 2027 | $820 |
| June 2027 | No fares found yet |
| July 2027 | No fares found yet |
| August 2027 | $1,135 |
| September 2027 | No fares found yet |
| October 2027 | $1,239 |
Madrid to Buenos Aires in December: questions
What's the cheapest date to fly from Madrid to Buenos Aires in December 2026?
Leaving Tuesday, December 1 and returning Sunday, December 6 (5 nights) for $1,008 round trip on American Airlines, the cheapest of the 15 date combinations we track that month.
How much is a round trip from Madrid to Buenos Aires in December 2026?
From $1,008. Half of the 15 date combinations we track are under $1,491. Prices are per person in USD and change often.
Is December a cheap month to fly from Madrid to Buenos Aires?
It ranks 7 of 9 months we have prices for. The cheapest month is March 2027, from $757.