Cheap flights from Dublin to Barcelona from $23 DUB → BCN

Found recently, and the cheapest we hold

What have prices looked like?

Over 49 days, 24 Sept to 11 Nov, the cheapest return we saw each day was $38 to $74.

At $87, the cheapest return found recently is above that range.

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

Could nearby dates be cheaper?

Yes. Among 1-night return fares leaving within 3 days of 27 Nov, 28 Nov – 29 Nov costs $82: $5 less than the cheapest found recently.

Ryanair · Dublin Airport (DUB) → Barcelona-El Prat Airport (BCN) · out nonstop, back nonstop · found 6 days ago

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Every date we hold

177 fares on 31 departure dates

Which month looks cheapest?

December 2026 is the cheapest month — from $46.

Found recently, and the cheapest we hold

What have prices looked like?

Over 49 days, 24 Sept to 11 Nov, the cheapest one-way we saw each day was $17 to $37.

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 29 Nov to compare.

Every date we hold

7 fares on 7 departure dates

Which month looks cheapest?

December 2026 is the cheapest month — from $19.

Return

Fares 30 to 59 days before departure were typically 60% 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 33% 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 Dublin to Barcelona?

The cheapest return found recently is $87 with Ryanair, 27 Nov to 28 Nov, found 2 days ago. The cheapest return we hold, of any age, is $46 with Ryanair, 11 Dec to 13 Dec, found 4 days ago. The cheapest return fare on each of 31 departure dates is usually $87 to $164.

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

The cheapest one-way found recently is $23 with Ryanair, 29 Nov, found 2 days ago. The cheapest one-way we hold, of any age, is $19 with Ryanair, 3 Dec, found 7 days ago. The cheapest one-way fare on each of 7 departure dates is usually $30 to $71.

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

December 2026 is the cheapest month for a return, from $46, 11 Dec to 13 Dec, found 4 days ago. It is the cheapest month for a one-way too, from $19, 3 Dec, found 7 days ago.

Every date in December 2026

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

In 49 days of prices between 24 Sept and 11 Nov, return fares 30 to 59 days before departure were typically 60% lower than 0 to 6 days before departure. One-way fares 7 to 13 days before departure were typically 33% lower than 0 to 6 days before departure.

Is there a direct flight from Dublin to Barcelona?

Yes, the cheapest nonstop return found recently is $87 with Ryanair, 27 Nov to 28 Nov, found 2 days ago. The cheapest nonstop one-way found recently is $23 with Ryanair, 29 Nov, found 2 days ago.

Every nonstop date from Dublin to Barcelona

How long is the flight from Dublin to Barcelona?

The cheapest nonstop one-way found recently, with Ryanair on 29 Nov, takes 2 h 30 min from Dublin Airport (DUB) to Barcelona-El Prat Airport (BCN).

Which airlines have the cheapest flights from Dublin to Barcelona?

Between 14 Nov and 27 Jun 2027, Ryanair has the cheapest return on 23 of the 31 departure dates we hold, Aer Lingus on 6 and Vueling on 2. Between 13 Nov and 1 Nov 2027, Ryanair has the cheapest one-way on 6 of the 7 departure dates we hold, and KLM on 1.