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Dublin to Barcelona in October

Every day's cheapest Ryanair fare for October 2026, each way, for one adult. Read from Ryanair on 16 October at 08:09; fares can move before you book.

Cheapest day out
€16
Thu, 29 Oct
Cheapest day back
€64
Wed, 21 Oct
Typical fare out
€86
half the days cost this or less
Cheapest week
€193
return, both flights

The cheapest trips in October

Ryanair sells each direction separately, so a return is the two one-way fares added together. The fare covers one small bag that fits under the seat. A 10kg cabin bag and checked bags cost extra with Ryanair, and you can add them while booking.

Cheapest weekend

€331

return for one, both flights

Out
Fri, 23 Oct, 06:55 · €209
Back
Sun, 25 Oct, 06:20 · €122

Cheapest 3 or 4 nights

€137

return for one, both flights

Out
Sun, 18 Oct, 21:40 · €73
Back
Wed, 21 Oct, 05:50 · €64

Cheapest week

€193

return for one, both flights

Out
Mon, 19 Oct, 21:50 · €30
Back
Mon, 26 Oct, 06:20 · €163

Every day in October

The cheapest one-way fare each day. Green days cost less than the month's typical fare that way; the cheapest day is outlined. Leaving on a Monday averaged €57, on a Friday €135.

Dublin to Barcelona
MonTueWedThuFriSatSun
1–2–3–4–
5–6–7–8–9–10–11–
12–13–14–15–16€16517€8818€73
19€3020€15721€8822€13623€20924€15225€142
26€8327€4028€3029€1630€3031€20
Barcelona to Dublin
MonTueWedThuFriSatSun
1–2–3–4–
5–6–7–8–9–10–11–
12–13–14–15–16€15617€16218€192
19€18920€18921€6422€12323€16824€10925€122
26€16327€19028€15829€16730€22831€206

October is one of the best months to visit Barcelona, by our Barcelona guide.

October Mid-Term 2026 falls in October. Every destination from Dublin for that break, priced for the family →

Questions

What's the cheapest day to fly from Dublin to Barcelona in October?

Thursday, 29 October, at €16 one way for one adult, leaving at 21:15. The cheapest day to fly back is Wednesday, 21 October, at €64.

How much is a flight from Dublin to Barcelona in October?

Half the days in October have a fare of €86 or less one way, and €165 or less coming back. Those are Ryanair's cheapest fares, which cover one small bag that fits under the seat.

Which day of the week is cheapest to fly to Barcelona?

In October, Mondays averaged €57 one way and Fridays €135, the cheapest and dearest days to leave.