Cheap flights from Porto to Barcelona from $19 OPO → BCN

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 $45 to $65.

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

Could nearby dates be cheaper?

We hold no other 5-night return fares leaving within 3 days of 31 Dec to compare.

Every date we hold

158 fares on 26 departure dates

Which month looks cheapest?

December 2026 is the cheapest month — from $52.

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 $18 to $24.

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

Could nearby dates be cheaper?

No. We hold one-way fares on 3 other departure dates within 3 days of 14 Dec, and none is cheaper.

Every date we hold

90 fares on 26 departure dates

Which month looks cheapest?

December 2026 is the cheapest month — from $19.

Return

Fares 14 to 29 days before departure were typically 20% 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 30 to 59 days before departure were typically 45% 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 Porto to Barcelona?

The cheapest return found recently is $52 with Vueling, 31 Dec to 5 Jan 2027, found 2 days ago. The cheapest return fare on each of 26 departure dates is usually $73 to $99.

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

The cheapest one-way found recently is $19 with Ryanair, 14 Dec, found 2 days ago. The cheapest one-way fare on each of 26 departure dates is usually $25 to $52.

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

December 2026 is the cheapest month for a return, from $52, 31 Dec to 5 Jan 2027, found 2 days ago. It is the cheapest month for a one-way too, from $19, 5 Dec, found 7 days ago.

Every date in December 2026

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

In 49 days of prices between 24 Sept and 11 Nov, return fares 14 to 29 days before departure were typically 20% lower than 0 to 6 days before departure. One-way fares 30 to 59 days before departure were typically 45% lower than 0 to 6 days before departure.

Is there a direct flight from Porto to Barcelona?

Yes, the cheapest nonstop return found recently is $52 with Vueling, 31 Dec to 5 Jan 2027, found 2 days ago. The cheapest nonstop one-way found recently is $19 with Ryanair, 14 Dec, found 2 days ago.

How long is the flight from Porto to Barcelona?

The cheapest nonstop one-way found recently, with Ryanair on 14 Dec, takes 1 h 45 min from Porto Airport (OPO) to Barcelona-El Prat Airport (BCN).

Which airlines have the cheapest flights from Porto to Barcelona?

Between 13 Nov and 27 Aug 2027, Ryanair has the cheapest return on 14 of the 26 departure dates we hold, and Vueling on 12. Between 27 Nov and 25 Aug 2027, Vueling has the cheapest one-way on 14 of the 26 departure dates we hold, Ryanair on 10 and Volotea on 1.