Cheapest return DTW–BCN flights, May

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

Return flights

27 May - 04 Jun WestJet
26 May - 02 Jun WestJet
25 May - 02 Jun WestJet
31 May - 10 Jun WestJet
28 May - 04 Jun WestJet
26 May - 03 Jun WestJet
27 May - 03 Jun WestJet
24 May - 23 Jun WestJet
31 May - 09 Jun WestJet
25 May - 01 Jun WestJet
23 May - 31 May Air Canada
24 May - 31 May WestJet
23 May - 30 May WestJet
10 May - 27 May Air Canada
12 May - 20 May Air Canada
22 May - 29 May WestJet
22 May - 30 May WestJet
21 May - 31 May WestJet
12 May - 17 May Air Canada

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

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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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