Cheapest one-way flights from Chicago to Barcelona in May from $210

AirHint found the following cheapest one-way flights from Chicago (ORD) to Barcelona (BCN) in May 2026 (see full year).

One-Way flights

06 May Frontier Airlines
05 May Air Canada
01 May Icelandair
12 May Icelandair
18 May Spirit Airlines
19 May Spirit Airlines
20 May Air Canada
14 May Spirit Airlines
16 May Frontier Airlines
15 May Spirit Airlines

Also check the deals for return flights from Chicago 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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