Cheapest one-way flights from Chicago to Barcelona in March from $233

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

One-Way flights

01 Mar Icelandair
25 Mar Spirit Airlines
30 Mar Icelandair
28 Mar Spirit Airlines
05 Mar Spirit Airlines
31 Mar Frontier Airlines
26 Mar Spirit Airlines
13 Mar Spirit Airlines
12 Mar Frontier Airlines
27 Mar Frontier Airlines

Also check the deals for return flights from Chicago to Barcelona in March.

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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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