HolidayPuffin

Shannon to Algarve in December

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

Cheapest day out
€15
Mon, 7 Dec
Cheapest day back
€20
Wed, 23 Dec
Typical fare out
€60
half the days cost this or less
Cheapest week
€36
return, both flights

The cheapest trips in December

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 3 or 4 nights

€77

return for one, both flights

Out
Sat, 19 Dec, 12:50 · €57
Back
Wed, 23 Dec, 06:20 · €20

Cheapest week

€36

return for one, both flights

Out
Mon, 14 Dec, 18:35 · €15
Back
Mon, 21 Dec, 21:45 · €21

Every day in December

The cheapest one-way fare each day. Green days cost less than the month's typical fare that way; the cheapest day is outlined.

Shannon to Algarve
MonTueWedThuFriSatSun
1–2–3–4–5€226–
7€158–9–10–11–12€3713–
14€1515–16–17–18–19€5720–
21€6322–23€12724–25–26€11927–
28€10429–30€9431–
Algarve to Shannon
MonTueWedThuFriSatSun
1–2–3–4–5€266–
7€258–9–10–11–12€2813–
14€3115–16–17–18–19€2120–
21€2122–23€2024–25–26€3427–
28€4929–30€5631–

Christmas 2026 falls in December. Every destination from Shannon for that break, priced for the family →

Questions

What's the cheapest day to fly from Shannon to Algarve in December?

Monday, 7 December, at €15 one way for one adult, leaving at 18:35. The cheapest day to fly back is Wednesday, 23 December, at €20.

How much is a flight from Shannon to Algarve in December?

Half the days in December have a fare of €60 or less one way, and €27 or less coming back. Those are Ryanair's cheapest fares, which cover one small bag that fits under the seat.