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Rio de Janeiro to Buenos Aires flights in December 2026 from $129 GIG, SDU → AEP, EZE

Galeao Antonio Carlos Jobim International Airport (GIG), Santos Dumont Airport (SDU) → Jorge Newbery Airport (AEP), Ministro Pistarini Airport (EZE)

For departures in December 2026, the cheapest return found recently is $386 with LATAM Airlines Group, 20 Dec – 20 Dec, found 2 days ago. The cheapest one-way found recently is $129 with Aerolineas Argentinas, 23 Dec, found 2 days ago.

Return

In December 2026, the cheapest return fare on each of 4 departure dates is usually $303 to $372. Across all 26 departure dates we hold on this route, it is usually $326 to $386. Of the 4 months with enough return fares to compare, December 2026 is usually the cheapest.

Cheapest return found recently

$386

20 Dec – 20 Dec · LATAM Airlines Group

Galeao Antonio Carlos Jobim International Airport (GIG) → Jorge Newbery Airport (AEP)

out 1 stop, back 1 stop

found 2 days ago

See prices for these datesCheck today's price

Cheapest we hold, of any age

$299

17 Dec – 24 Dec · JetSmart

Galeao Antonio Carlos Jobim International Airport (GIG) → Jorge Newbery Airport (AEP)

out nonstop, back nonstop

found 5 days ago

See prices for these datesCheck today's price

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The cheapest dates in December 2026

DatesFromAirlineStopsFound
17 Dec – 24 Dec$299JetSmartout nonstop, back nonstopfound 5 days agoSee prices for these dates
9 Dec – 14 Dec$304LATAM Airlines Groupout 2 stops, back nonstopfound 3 days agoSee prices for these dates
26 Dec – 3 Jan 2027$367JetSmartout nonstop, back 1 stopfound 7 days agoSee prices for these dates
20 Dec – 20 Dec$386LATAM Airlines Groupout 1 stop, back 1 stopfound 2 days agoSee prices for these dates

Every date we hold

4 departure dates

9 Dec – 14 Dec: $304, found 3 days ago17 Dec – 24 Dec: $299, found 5 days ago20 Dec – 20 Dec: $386, found 2 days ago26 Dec – 3 Jan 2027: $367, found 7 days agoDec
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
9 Dec – 14 Dec$304LATAM Airlines GroupGaleao Antonio Carlos Jobim International Airport (GIG) → Ministro Pistarini Airport (EZE)out 2 stops, back nonstopfound 3 days agoSee prices for these dates
17 Dec – 24 Dec$299JetSmartGaleao Antonio Carlos Jobim International Airport (GIG) → Jorge Newbery Airport (AEP)out nonstop, back nonstopfound 5 days agoSee prices for these dates
20 Dec – 20 Dec$386LATAM Airlines GroupGaleao Antonio Carlos Jobim International Airport (GIG) → Jorge Newbery Airport (AEP)out 1 stop, back 1 stopfound 2 days agoSee prices for these dates
26 Dec – 3 Jan 2027$367JetSmartGaleao Antonio Carlos Jobim International Airport (GIG) → Jorge Newbery Airport (AEP)out nonstop, back 1 stopfound 7 days agoSee prices for these dates

Which month looks cheapest?

May 2027 is the cheapest month — from $263.

November 2026From $3314 departure dates22 Nov – 29 Nov · found yesterdaySee prices for these dates
December 2026From $2994 departure dates17 Dec – 24 Dec · found 5 days agoSee prices for these dates
January 2027From $3647 departure dates19 Jan 2027 – 24 Jan 2027 · found 8 days agoSee prices for these datesEvery date in January 2027
February 2027From $3594 departure dates21 Feb 2027 – 26 Feb 2027 · found 2 days agoSee prices for these dates
March 2027From $2882 departure dates4 Mar 2027 – 26 Mar 2027 · found 5 days agoSee prices for these datesEvery date in March 2027
May 2027From $263Cheapest seen2 departure dates27 May 2027 – 30 May 2027 · found 8 days agoSee prices for these dates
June 2027From $2741 departure date5 Jun 2027 – 8 Jun 2027 · found 6 days agoSee prices for these dates
October 2027From $4172 departure dates1 Oct 2027 – 15 Oct 2027 · found 7 days agoSee prices for these dates

One-way

In December 2026, the cheapest one-way fare on each of 7 departure dates is usually $93 to $116. Across all 33 departure dates we hold on this route, it is usually $105 to $151. Of the 5 months with enough one-way fares to compare, December 2026 is usually the cheapest.

Cheapest one-way found recently

$129

23 Dec · Aerolineas Argentinas

Galeao Antonio Carlos Jobim International Airport (GIG) → Jorge Newbery Airport (AEP)

nonstop

found 2 days ago

Open this tripCheck today's price

Cheapest we hold, of any age

$89

27 Dec · JetSmart

Galeao Antonio Carlos Jobim International Airport (GIG) → Ministro Pistarini Airport (EZE)

nonstop

found 8 days ago

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The cheapest dates in December 2026

DatesFromAirlineStopsFound
27 Dec$89JetSmartnonstopfound 8 days agoSee prices for these dates
15 Dec$92JetSmartnonstopfound 7 days agoOpen this trip
21 Dec$93JetSmartnonstopfound 6 days agoOpen this trip
6 Dec$95JetSmartnonstopfound 4 days agoOpen this trip
1 Dec$103JetSmartnonstopfound 7 days agoOpen this trip

Every date we hold

7 departure dates

1 Dec: $103, found 7 days ago6 Dec: $95, found 4 days ago15 Dec: $92, found 7 days ago20 Dec: $142, found 4 days ago21 Dec: $93, found 6 days ago23 Dec: $129, found 2 days ago27 Dec: $89, found 8 days agoDec
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
1 Dec$103JetSmartGaleao Antonio Carlos Jobim International Airport (GIG) → Ministro Pistarini Airport (EZE)nonstopfound 7 days agoOpen this trip
6 Dec$95JetSmartGaleao Antonio Carlos Jobim International Airport (GIG) → Ministro Pistarini Airport (EZE)nonstopfound 4 days agoOpen this trip
15 Dec$92JetSmartGaleao Antonio Carlos Jobim International Airport (GIG) → Jorge Newbery Airport (AEP)nonstopfound 7 days agoOpen this trip
20 Dec$142JetSmartGaleao Antonio Carlos Jobim International Airport (GIG) → Ministro Pistarini Airport (EZE)nonstopfound 4 days agoOpen this trip
21 Dec$93JetSmartGaleao Antonio Carlos Jobim International Airport (GIG) → Jorge Newbery Airport (AEP)nonstopfound 6 days agoOpen this trip
23 Dec$129Aerolineas ArgentinasGaleao Antonio Carlos Jobim International Airport (GIG) → Jorge Newbery Airport (AEP)nonstopfound 2 days agoOpen this trip
27 Dec$89JetSmartGaleao Antonio Carlos Jobim International Airport (GIG) → Ministro Pistarini Airport (EZE)nonstopfound 8 days agoSee prices for these dates

Which month looks cheapest?

December 2026 is the cheapest month — from $89.

November 2026From $1385 departure dates14 Nov · found 2 days agoOpen this trip
December 2026From $89Cheapest seen7 departure dates27 Dec · found 8 days agoSee prices for these dates
January 2027From $1454 departure dates3 Jan 2027 · found 6 days agoOpen this tripEvery date in January 2027
February 2027From $996 departure dates19 Feb 2027 · found 8 days agoSee prices for these dates
March 2027From $997 departure dates20 Mar 2027 · found 5 days agoOpen this tripEvery date in March 2027
April 2027From $971 departure date5 Apr 2027 · found 7 days agoOpen this trip
May 2027From $1071 departure date27 May 2027 · found 5 days agoOpen this trip
June 2027From $1061 departure date3 Jun 2027 · found 5 days agoOpen this trip
July 2027From $1371 departure date8 Jul 2027 · found 4 days agoOpen this trip

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