AirHint found the following cheapest return flights from Shannon (SNN) to Paris (CDG) in December 2025 (see full year).

Return flights

07 Dec - 13 Dec	Aer Lingus
18 Dec - 21 Dec	Aer Lingus	direct
11 Dec - 14 Dec	Ryanair
18 Dec - 20 Dec	Aer Lingus
04 Dec - 11 Dec	Ryanair
14 Dec - 19 Dec	Aer Lingus
30 Dec - 02 Jan	Ryanair
30 Dec - 03 Jan	Ryanair
17 Dec - 19 Dec	Ryanair
12 Dec - 15 Dec	Ryanair
28 Dec - 03 Jan	Ryanair
05 Dec - 08 Dec	Ryanair
28 Dec - 01 Jan	Ryanair
31 Dec - 04 Jan	Ryanair
04 Dec - 07 Dec	Ryanair
28 Dec - 01 Jan	Aer Lingus	direct
29 Dec - 01 Jan	Ryanair

Also check the deals for one-way flights from Shannon to Paris in December.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

Book a cheap hotel in Paris

Cheap car rent in Paris

Cheapest return flights from Shannon to Paris in December from $159

Return flights