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Madrid to Porto flights in December 2026 from $22 MAD → OPO

Adolfo Suarez Madrid-Barajas Airport (MAD) → Porto Airport (OPO)

For departures in December 2026, the cheapest return found recently is $40 with Ryanair, 10 Dec – 16 Dec, found 4 hours ago. The cheapest one-way found recently is $22 with Ryanair, 12 Dec, found 2 days ago.

Return

In December 2026, the cheapest return fare on each of 15 departure dates is usually $44 to $101. Across all 27 departure dates we hold on this route, it is usually $49 to $90. Of the 3 months with enough return fares to compare, December 2026 is usually the cheapest.

Cheapest return found recently

$40

10 Dec – 16 Dec · Ryanair

Adolfo Suarez Madrid-Barajas Airport (MAD) → Porto Airport (OPO)

out nonstop, back nonstop

found 4 hours ago

See prices for these datesCheck today's price

Cheapest we hold, of any age

$38

16 Dec – 17 Dec · Ryanair

Adolfo Suarez Madrid-Barajas Airport (MAD) → Porto Airport (OPO)

out nonstop, back nonstop

found 2 days ago

See prices for these datesCheck today's price

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The cheapest dates in December 2026

DatesFromAirlineStopsFound
16 Dec – 17 Dec$38Ryanairout nonstop, back nonstopfound 2 days agoSee prices for these dates
10 Dec – 16 Dec$40Ryanairout nonstop, back nonstopfound 4 hours agoSee prices for these dates
15 Dec – 16 Dec$42Ryanairout nonstop, back nonstopfound 2 days agoSee prices for these dates
11 Dec – 14 Dec$44Ryanairout nonstop, back nonstopfound 2 days agoSee prices for these dates
14 Dec – 17 Dec$44Ryanairout nonstop, back nonstopfound 2 days agoSee prices for these dates

Every date we hold

15 departure dates

3 Dec – 9 Dec: $113, found 4 days ago4 Dec – 10 Dec: $124, found 4 days ago5 Dec – 11 Dec: $85, found 2 days ago6 Dec – 12 Dec: $55, found yesterday7 Dec – 3 Jan 2027: $124, found 2 days ago8 Dec – 12 Dec: $89, found 3 days ago9 Dec – 12 Dec: $62, found 2 days ago10 Dec – 16 Dec: $40, found 4 hours ago11 Dec – 14 Dec: $44, found 2 days ago12 Dec – 15 Dec: $46, found 3 days ago13 Dec – 16 Dec: $51, found 2 days ago14 Dec – 17 Dec: $44, found 2 days ago15 Dec – 16 Dec: $42, found 2 days ago16 Dec – 17 Dec: $38, found 2 days ago27 Dec – 3 Jan 2027: $115, found 2 days agoDec
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
3 Dec – 9 Dec$113Air EuropaAdolfo Suarez Madrid-Barajas Airport (MAD) → Porto Airport (OPO)out nonstop, back 1 stopfound 4 days agoSee prices for these dates
4 Dec – 10 Dec$124Air EuropaAdolfo Suarez Madrid-Barajas Airport (MAD) → Porto Airport (OPO)out nonstop, back nonstopfound 4 days agoSee prices for these dates
5 Dec – 11 Dec$85RyanairAdolfo Suarez Madrid-Barajas Airport (MAD) → Porto Airport (OPO)out nonstop, back nonstopfound 2 days agoSee prices for these dates
6 Dec – 12 Dec$55IberiaAdolfo Suarez Madrid-Barajas Airport (MAD) → Porto Airport (OPO)out nonstop, back nonstopfound yesterdaySee prices for these dates
7 Dec – 3 Jan 2027$124RyanairAdolfo Suarez Madrid-Barajas Airport (MAD) → Porto Airport (OPO)out nonstop, back nonstopfound 2 days agoSee prices for these dates
8 Dec – 12 Dec$89TAP Air PortugalAdolfo Suarez Madrid-Barajas Airport (MAD) → Porto Airport (OPO)out 1 stop, back nonstopfound 3 days agoSee prices for these dates
9 Dec – 12 Dec$62Air EuropaAdolfo Suarez Madrid-Barajas Airport (MAD) → Porto Airport (OPO)out nonstop, back nonstopfound 2 days agoSee prices for these dates
10 Dec – 16 Dec$40RyanairAdolfo Suarez Madrid-Barajas Airport (MAD) → Porto Airport (OPO)out nonstop, back nonstopfound 4 hours agoSee prices for these dates
11 Dec – 14 Dec$44RyanairAdolfo Suarez Madrid-Barajas Airport (MAD) → Porto Airport (OPO)out nonstop, back nonstopfound 2 days agoSee prices for these dates
12 Dec – 15 Dec$46RyanairAdolfo Suarez Madrid-Barajas Airport (MAD) → Porto Airport (OPO)out nonstop, back nonstopfound 3 days agoSee prices for these dates
13 Dec – 16 Dec$51IberiaAdolfo Suarez Madrid-Barajas Airport (MAD) → Porto Airport (OPO)out nonstop, back nonstopfound 2 days agoSee prices for these dates
14 Dec – 17 Dec$44RyanairAdolfo Suarez Madrid-Barajas Airport (MAD) → Porto Airport (OPO)out nonstop, back nonstopfound 2 days agoSee prices for these dates
15 Dec – 16 Dec$42RyanairAdolfo Suarez Madrid-Barajas Airport (MAD) → Porto Airport (OPO)out nonstop, back nonstopfound 2 days agoSee prices for these dates
16 Dec – 17 Dec$38RyanairAdolfo Suarez Madrid-Barajas Airport (MAD) → Porto Airport (OPO)out nonstop, back nonstopfound 2 days agoSee prices for these dates
27 Dec – 3 Jan 2027$115RyanairAdolfo Suarez Madrid-Barajas Airport (MAD) → Porto Airport (OPO)out nonstop, back nonstopfound 2 days agoSee prices for these dates

Which month looks cheapest?

December 2026 is the cheapest month — from $38.

November 2026From $464 departure dates24 Nov – 1 Dec · found todaySee prices for these dates
December 2026From $38Cheapest seen15 departure dates16 Dec – 17 Dec · found 2 days agoSee prices for these dates
January 2027From $801 departure date6 Jan 2027 – 9 Jan 2027 · found 2 days agoSee prices for these dates
February 2027From $652 departure dates5 Feb 2027 – 8 Feb 2027 · found todaySee prices for these dates
March 2027From $1071 departure date19 Mar 2027 – 4 Apr 2027 · found 4 days agoSee prices for these dates
April 2027From $673 departure dates5 Apr 2027 – 17 Apr 2027 · found 4 days agoSee prices for these dates
May 2027From $671 departure date4 May 2027 – 20 May 2027 · found yesterdaySee prices for these dates

One-way

We hold one-way fares on only 1 departure date in December 2026, too few to say what one usually costs.

Cheapest one-way found recently

$22

12 Dec · Ryanair

Adolfo Suarez Madrid-Barajas Airport (MAD) → Porto Airport (OPO)

nonstop

found 2 days ago

Open this tripCheck today's price

It is also the cheapest one-way we hold, of any age.

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The cheapest dates in December 2026

DatesFromAirlineStopsFound
12 Dec$22Ryanairnonstopfound 2 days agoOpen this trip

Every date we hold

1 departure date

See every date as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
12 Dec$22RyanairAdolfo Suarez Madrid-Barajas Airport (MAD) → Porto Airport (OPO)nonstopfound 2 days agoOpen this trip

Which month looks cheapest?

November 2026 is the cheapest month — from $18.

November 2026From $18Cheapest seen2 departure dates24 Nov · found 2 days agoOpen this trip
December 2026From $221 departure date12 Dec · found 2 days agoOpen this trip
January 2027From $214 departure dates4 Jan 2027 · found 4 days agoOpen this trip
February 2027From $211 departure date6 Feb 2027 · found 14 hours agoOpen this trip
March 2027From $302 departure dates15 Mar 2027 · found 4 days agoOpen this trip
April 2027From $405 departure dates10 Apr 2027 · found 5 days agoOpen this trip
July 2027From $403 departure dates15 Jul 2027 · found 5 days agoOpen this trip
September 2027From $373 departure dates29 Sept 2027 · found 3 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