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Madrid to San Jose, Costa Rica flights in December 2026 from $989 MAD → SJO

Adolfo Suarez Madrid-Barajas Airport (MAD) → Juan Santamaria International Airport (SJO)

For departures in December 2026, the cheapest return found recently is $989 with avianca airlines, 25 Dec – 22 Jan 2027, found yesterday.

Return

In December 2026, the cheapest return fare on each of 7 departure dates is usually $1,058 to $1,186. Across all 30 departure dates we hold on this route, it is usually $606 to $1,020. Of the 5 months with enough return fares to compare, December 2026 is usually the most expensive.

Cheapest return found recently

$989

25 Dec – 22 Jan 2027 · avianca airlines

Adolfo Suarez Madrid-Barajas Airport (MAD) → Juan Santamaria International Airport (SJO)

out 2 stops, back 1 stop

found yesterday

See prices for these datesCheck today's price

It is also the cheapest return we hold, of any age.

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The cheapest dates in December 2026

DatesFromAirlineStopsFound
25 Dec – 22 Jan 2027$989avianca airlinesout 2 stops, back 1 stopfound yesterdaySee prices for these dates
17 Dec – 27 Dec$1,030avianca airlinesout 1 stop, back 1 stopfound 5 days agoSee prices for these dates
15 Dec – 28 Dec$1,085Air Europaout 1 stop, back 1 stopfound yesterdaySee prices for these dates
20 Dec – 29 Dec$1,169Air Europaout 1 stop, back 1 stopfound 5 days agoSee prices for these dates
16 Dec – 26 Dec$1,179United Airlinesout 1 stop, back 1 stopfound yesterdaySee prices for these dates

Every date we hold

7 departure dates

15 Dec – 28 Dec: $1,085, found yesterday16 Dec – 26 Dec: $1,179, found yesterday17 Dec – 27 Dec: $1,030, found 5 days ago18 Dec – 28 Dec: $1,231, found 5 days ago20 Dec – 29 Dec: $1,169, found 5 days ago25 Dec – 22 Jan 2027: $989, found yesterday30 Dec – 11 Jan 2027: $1,193, found yesterdayDec
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
15 Dec – 28 Dec$1,085Air EuropaAdolfo Suarez Madrid-Barajas Airport (MAD) → Juan Santamaria International Airport (SJO)out 1 stop, back 1 stopfound yesterdaySee prices for these dates
16 Dec – 26 Dec$1,179United AirlinesAdolfo Suarez Madrid-Barajas Airport (MAD) → Juan Santamaria International Airport (SJO)out 1 stop, back 1 stopfound yesterdaySee prices for these dates
17 Dec – 27 Dec$1,030avianca airlinesAdolfo Suarez Madrid-Barajas Airport (MAD) → Juan Santamaria International Airport (SJO)out 1 stop, back 1 stopfound 5 days agoSee prices for these dates
18 Dec – 28 Dec$1,231Air FranceAdolfo Suarez Madrid-Barajas Airport (MAD) → Juan Santamaria International Airport (SJO)out 2 stops, back 1 stopfound 5 days agoSee prices for these dates
20 Dec – 29 Dec$1,169Air EuropaAdolfo Suarez Madrid-Barajas Airport (MAD) → Juan Santamaria International Airport (SJO)out 1 stop, back 1 stopfound 5 days agoSee prices for these dates
25 Dec – 22 Jan 2027$989avianca airlinesAdolfo Suarez Madrid-Barajas Airport (MAD) → Juan Santamaria International Airport (SJO)out 2 stops, back 1 stopfound yesterdaySee prices for these dates
30 Dec – 11 Jan 2027$1,193Air FranceAdolfo Suarez Madrid-Barajas Airport (MAD) → Juan Santamaria International Airport (SJO)out 2 stops, back 2 stopsfound yesterdaySee prices for these dates

Which month looks cheapest?

February 2027 is the cheapest month — from $576.

November 2026From $8742 departure dates19 Nov – 7 Dec · found 11 hours agoSee prices for these dates
December 2026From $9897 departure dates25 Dec – 22 Jan 2027 · found yesterdaySee prices for these dates
January 2027From $6794 departure dates14 Jan 2027 – 31 Jan 2027 · found 7 days agoSee prices for these dates
February 2027From $576Cheapest seen8 departure dates20 Feb 2027 – 1 Mar 2027 · found 6 days agoSee prices for these datesEvery date in February 2027
March 2027From $5803 departure dates4 Mar 2027 – 17 Mar 2027 · found 6 days agoSee prices for these dates
May 2027From $5865 departure dates14 May 2027 – 24 May 2027 · found 2 days agoSee prices for these dates
August 2027From $1,0831 departure date10 Aug 2027 – 26 Aug 2027 · found yesterdaySee prices for these dates

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