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

Return flights

20 Aug - 26 Aug	American Airlines
24 Aug - 04 Sep	Spirit Airlines
25 Aug - 20 Sep	Spirit Airlines
29 Aug - 14 Sep	Frontier Airlines
21 Aug - 13 Sep	Spirit Airlines
23 Aug - 13 Sep	Spirit Airlines
28 Aug - 01 Sep	Spirit Airlines
21 Aug - 01 Sep	Spirit Airlines
20 Aug - 29 Aug	American Airlines
20 Aug - 13 Sep	Spirit Airlines
21 Aug - 24 Aug	Spirit Airlines

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

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.

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Cheapest return flights from Kansas City to Dublin in August from $761

Return flights