AirHint found the following cheapest return flights from Kansas City (MCI) to Barcelona (BCN) in May 2026 (see full year).

Return flights

04 May - 12 May	Air France
05 May - 13 May	Virgin Atlantic
06 May - 14 May	Air France
03 May - 11 May	KLM
01 May - 08 May	KLM
07 May - 15 May	Air France
07 May - 14 May	Air France
10 May - 18 May	Delta
02 May - 10 May	Iberia
01 May - 09 May	KLM
25 May - 01 Jun	Aer Lingus
24 May - 01 Jun	Iberia
22 May - 10 Jun	Spirit Airlines
23 May - 06 Jun	Spirit Airlines

Also check the deals for one-way flights from Kansas City to Barcelona in May.

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 Barcelona in May from 504€

Return flights