AirHint found the following cheapest return flights from Kansas City (MCI) to Dublin (DUB) in December 2025 (see full year).

Return flights

02 Dec - 09 Dec	KLM
02 Dec - 08 Dec	Delta
01 Dec - 31 Dec	Delta
04 Dec - 11 Dec	Delta
05 Dec - 11 Dec	Delta
05 Dec - 12 Dec	Delta
01 Dec - 08 Dec	Delta
25 Dec - 17 Jan	United
26 Dec - 17 Jan	United
09 Dec - 16 Dec	Aer Lingus
15 Dec - 22 Dec	Aer Lingus
31 Dec - 07 Jan	Aer Lingus
26 Dec - 09 Jan	United
11 Dec - 18 Dec	Aer Lingus
26 Dec - 06 Jan	United
26 Dec - 05 Jan	United
25 Dec - 01 Jan	Aer Lingus
28 Dec - 04 Jan	Aer Lingus
20 Dec - 01 Jan	Lufthansa

Also check the deals for one-way flights from Kansas City to Dublin 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 Dublin

Cheap car rent in Dublin

Cheapest return flights from Kansas City to Dublin in December from 373€

Return flights