Cheap flights from Madrid to Porto from $18 MAD → OPO

Found recently, and the cheapest we hold

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

What have prices looked like?

Over 49 days, 24 Sept to 11 Nov, the cheapest return we saw each day was $38 to $59.

At $38, the cheapest return found recently is at the low end of that range.

Those were the prices on those days, not today's.

Could nearby dates be cheaper?

No. We hold 1-night return fares on 1 other departure date within 3 days of 16 Dec, and it is not cheaper.

Every date we hold

134 fares on 25 departure dates

Which month looks cheapest?

December 2026 is the cheapest month — from $38.

Found recently, and the cheapest we hold

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

What have prices looked like?

Over 49 days, 24 Sept to 11 Nov, the cheapest one-way we saw each day was $16 to $23.

Those were the prices on those days, not today's.

Could nearby dates be cheaper?

We hold no other one-way fares leaving within 3 days of 24 Nov to compare.

Every date we hold

133 fares on 21 departure dates

Which month looks cheapest?

November 2026 is the cheapest month — from $18.

Return

Fares 30 to 59 days before departure were typically 38% lower than 0 to 6 days before departure.

From the cheapest return each day between 24 Sept and 11 Nov (49 days), grouped by how many days ahead the flight left; one adult in economy.

Each range covers different departure dates, so this compares typical fares, not the same trip priced twice.

Prices reflect recent searches — current fares may differ.

One-way

Fares 7 to 13 days before departure were typically 14% lower than 0 to 6 days before departure.

From the cheapest one-way each day between 24 Sept and 11 Nov (49 days), grouped by how many days ahead the flight left; one adult in economy.

Each range covers different departure dates, so this compares typical fares, not the same trip priced twice.

Prices reflect recent searches — current fares may differ.

How much is a return flight from Madrid to Porto?

The cheapest return found recently is $38 with Ryanair, 16 Dec to 17 Dec, found 2 days ago. The cheapest return fare on each of 25 departure dates is usually $51 to $91.

How much is a one-way flight from Madrid to Porto?

The cheapest one-way found recently is $18 with Ryanair, 24 Nov, found 2 days ago. The cheapest one-way fare on each of 21 departure dates is usually $27 to $43.

What is the cheapest month to fly from Madrid to Porto?

December 2026 is the cheapest month for a return, from $38, 16 Dec to 17 Dec, found 2 days ago. November 2026 is the cheapest month for a one-way, from $18, 24 Nov, found 2 days ago.

Every date in December 2026

How far ahead should I book a flight from Madrid to Porto?

In 49 days of prices between 24 Sept and 11 Nov, return fares 30 to 59 days before departure were typically 38% lower than 0 to 6 days before departure. One-way fares 7 to 13 days before departure were typically 14% lower than 0 to 6 days before departure.

Is there a direct flight from Madrid to Porto?

Yes, the cheapest nonstop return found recently is $38 with Ryanair, 16 Dec to 17 Dec, found 2 days ago. The cheapest nonstop one-way found recently is $18 with Ryanair, 24 Nov, found 2 days ago.

How long is the flight from Madrid to Porto?

The cheapest nonstop one-way found recently, with Ryanair on 24 Nov, takes 1 h 20 min from Adolfo Suarez Madrid-Barajas Airport (MAD) to Porto Airport (OPO).

Which airlines have the cheapest flights from Madrid to Porto?

Between 14 Nov and 4 May 2027, Ryanair has the cheapest return on 15 of the 25 departure dates we hold, Air Europa on 6 and Iberia on 3. Between 24 Nov and 22 Oct 2027, Ryanair has the cheapest one-way on 12 of the 21 departure dates we hold, Iberia on 5 and Air Europa on 4.