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Porto to Madrid flights in December 2026 from $17 OPO → MAD

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

For departures in December 2026, the cheapest return found recently is $72 with Ryanair, 27 Dec – 29 Dec, found 2 days ago. The cheapest one-way found recently is $17 with Ryanair, 17 Dec, found 2 days ago.

Return

In December 2026, the cheapest return fare on each of 8 departure dates is usually $55 to $77. Across all 18 departure dates we hold on this route, it is usually $66 to $83. Of the 3 months with enough return fares to compare, 1 is usually cheaper than December 2026.

Cheapest return found recently

$72

27 Dec – 29 Dec · Ryanair

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

out nonstop, back nonstop

found 2 days ago

See prices for these datesCheck today's price

Cheapest we hold, of any age

$40

23 Dec – 9 Jan 2027 · Ryanair

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

out nonstop, back nonstop

found 6 days ago

See prices for these datesCheck today's price

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The cheapest dates in December 2026

DatesFromAirlineStopsFound
23 Dec – 9 Jan 2027$40Ryanairout nonstop, back nonstopfound 6 days agoSee prices for these dates
24 Dec – 31 Dec$50Iberiaout nonstop, back nonstopfound 4 days agoSee prices for these dates
11 Dec – 13 Dec$57Ryanairout nonstop, back nonstopfound 4 days agoSee prices for these dates
4 Dec – 6 Dec$67Ryanairout nonstop, back nonstopfound 3 days agoSee prices for these dates
27 Dec – 29 Dec$72Ryanairout nonstop, back nonstopfound 2 days agoSee prices for these dates

Every date we hold

8 departure dates

4 Dec – 6 Dec: $67, found 3 days ago8 Dec – 19 Jan 2027: $98, found 6 days ago11 Dec – 13 Dec: $57, found 4 days ago18 Dec – 21 Dec: $83, found 2 days ago22 Dec – 25 Dec: $75, found 2 days ago23 Dec – 9 Jan 2027: $40, found 6 days ago24 Dec – 31 Dec: $50, found 4 days ago27 Dec – 29 Dec: $72, found 2 days agoDec
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
4 Dec – 6 Dec$67RyanairPorto Airport (OPO) → Adolfo Suarez Madrid-Barajas Airport (MAD)out nonstop, back nonstopfound 3 days agoSee prices for these dates
8 Dec – 19 Jan 2027$98TAP Air PortugalPorto Airport (OPO) → Adolfo Suarez Madrid-Barajas Airport (MAD)out 1 stop, back nonstopfound 6 days agoSee prices for these dates
11 Dec – 13 Dec$57RyanairPorto Airport (OPO) → Adolfo Suarez Madrid-Barajas Airport (MAD)out nonstop, back nonstopfound 4 days agoSee prices for these dates
18 Dec – 21 Dec$83RyanairPorto Airport (OPO) → Adolfo Suarez Madrid-Barajas Airport (MAD)out nonstop, back nonstopfound 2 days agoSee prices for these dates
22 Dec – 25 Dec$75RyanairPorto Airport (OPO) → Adolfo Suarez Madrid-Barajas Airport (MAD)out nonstop, back 1 stopfound 2 days agoSee prices for these dates
23 Dec – 9 Jan 2027$40RyanairPorto Airport (OPO) → Adolfo Suarez Madrid-Barajas Airport (MAD)out nonstop, back nonstopfound 6 days agoSee prices for these dates
24 Dec – 31 Dec$50IberiaPorto Airport (OPO) → Adolfo Suarez Madrid-Barajas Airport (MAD)out nonstop, back nonstopfound 4 days agoSee prices for these dates
27 Dec – 29 Dec$72RyanairPorto Airport (OPO) → Adolfo Suarez Madrid-Barajas Airport (MAD)out nonstop, back nonstopfound 2 days agoSee prices for these dates

Which month looks cheapest?

December 2026 is the cheapest month — from $40.

November 2026From $814 departure dates24 Nov – 27 Nov · found 2 days agoSee prices for these dates
December 2026From $40Cheapest seen8 departure dates23 Dec – 9 Jan 2027 · found 6 days agoSee prices for these dates
January 2027From $623 departure dates5 Jan 2027 – 6 Jan 2027 · found 3 days agoSee prices for these dates
April 2027From $681 departure date13 Apr 2027 – 14 Apr 2027 · found 4 days agoSee prices for these dates
May 2027From $681 departure date18 May 2027 – 12 Jun 2027 · found 2 days agoSee prices for these dates
September 2027From $751 departure date3 Sept 2027 – 6 Sept 2027 · found 6 days agoSee prices for these dates

One-way

In December 2026, the cheapest one-way fare on each of 7 departure dates is usually $19 to $26. Across all 20 departure dates we hold on this route, it is usually $24 to $40. Of the 3 months with enough one-way fares to compare, December 2026 is usually the cheapest.

Cheapest one-way found recently

$17

17 Dec · Ryanair

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

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
17 Dec$17Ryanairnonstopfound 2 days agoOpen this trip
15 Dec$19Ryanairnonstopfound 4 days agoOpen this trip
22 Dec$19Ryanairnonstopfound 2 days agoOpen this trip
20 Dec$23Ryanairnonstopfound 3 days agoOpen this trip
11 Dec$24Ryanairnonstopfound 5 days agoOpen this trip

Every date we hold

7 departure dates

11 Dec: $24, found 5 days ago12 Dec: $27, found 7 days ago15 Dec: $19, found 4 days ago17 Dec: $17, found 2 days ago20 Dec: $23, found 3 days ago22 Dec: $19, found 2 days ago27 Dec: $42, found 4 days agoDec
See the chart as a table
The cheapest price seen for each departure date — per traveler in Economy.
DatesFromAirlineAirportsStopsFound
11 Dec$24RyanairPorto Airport (OPO) → Adolfo Suarez Madrid-Barajas Airport (MAD)nonstopfound 5 days agoOpen this trip
12 Dec$27RyanairPorto Airport (OPO) → Adolfo Suarez Madrid-Barajas Airport (MAD)nonstopfound 7 days agoOpen this trip
15 Dec$19RyanairPorto Airport (OPO) → Adolfo Suarez Madrid-Barajas Airport (MAD)nonstopfound 4 days agoOpen this trip
17 Dec$17RyanairPorto Airport (OPO) → Adolfo Suarez Madrid-Barajas Airport (MAD)nonstopfound 2 days agoOpen this trip
20 Dec$23RyanairPorto Airport (OPO) → Adolfo Suarez Madrid-Barajas Airport (MAD)nonstopfound 3 days agoOpen this trip
22 Dec$19RyanairPorto Airport (OPO) → Adolfo Suarez Madrid-Barajas Airport (MAD)nonstopfound 2 days agoOpen this trip
27 Dec$42RyanairPorto Airport (OPO) → Adolfo Suarez Madrid-Barajas Airport (MAD)nonstopfound 4 days agoOpen this trip

Which month looks cheapest?

December 2026 is the cheapest month — from $17.

November 2026From $541 departure date15 Nov · found 7 days agoOpen this trip
December 2026From $17Cheapest seen7 departure dates17 Dec · found 2 days agoOpen this trip
January 2027From $195 departure dates28 Jan 2027 · found 3 days agoOpen this trip
March 2027From $251 departure date1 Mar 2027 · found 5 days agoOpen this trip
April 2027From $391 departure date4 Apr 2027 · found 7 days agoOpen this trip
August 2027From $351 departure date2 Aug 2027 · found 4 days agoOpen this trip
September 2027From $373 departure dates18 Sept 2027 · found 3 days agoOpen this trip
October 2027From $471 departure date23 Oct 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