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

Return flights

15 Dec - 22 Dec	Delta
16 Dec - 23 Dec	Delta
24 Dec - 31 Dec	Delta
13 Dec - 20 Dec	Spirit Airlines
23 Dec - 30 Dec	Delta
14 Dec - 21 Dec	Spirit Airlines
17 Dec - 24 Dec	Lufthansa
21 Dec - 28 Dec	Spirit Airlines
18 Dec - 25 Dec	Delta
22 Dec - 29 Dec	Spirit Airlines

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

Cheap car rent in Athens

Cheapest return flights from Kansas City to Athens in December from $695

Return flights