August is by far the best month, wherein you can get cheapest flights for Chicago to Barcelona. Meanwhile, is perceived as the expensive month due to the varying factors. That’s why it’s highly advised to make advanced online flight booking to save huge amounts of money.
Disclaimer - All the mentioned fares were found within last 48 hrs. The displayed fares are based on historical data and are subject to change. The fares cannot be guaranteed at the time of booking.
ORD
19:50
Chicago Chicago O Hare International Airport
Sun , 31 Aug 2025
BCN
10:35
Barcelona Barcelona International Airport
Tue, 02 Sep 2025
ORD
14:05
Chicago Chicago O Hare International Airport
Sun , 31 Aug 2025
BCN
12:30
Barcelona Barcelona International Airport
Mon, 01 Sep 2025
ORD
18:00
Chicago Chicago O Hare International Airport
Sun , 31 Aug 2025
BCN
14:10
Barcelona Barcelona International Airport
Mon, 01 Sep 2025
ORD
18:00
Chicago Chicago O Hare International Airport
Sun , 31 Aug 2025
BCN
21:50
Barcelona Barcelona International Airport
Mon, 01 Sep 2025
ORD
21:15
Chicago Chicago O Hare International Airport
Sun , 31 Aug 2025
BCN
22:25
Barcelona Barcelona International Airport
Mon, 01 Sep 2025
ORD
15:45
Chicago Chicago O Hare International Airport
Sun , 31 Aug 2025
BCN
10:20
Barcelona Barcelona International Airport
Mon, 01 Sep 2025
ORD
19:25
Chicago Chicago O Hare International Airport
Sun , 31 Aug 2025
BCN
14:45
Barcelona Barcelona International Airport
Mon, 01 Sep 2025
ORD
19:15
Chicago Chicago O Hare International Airport
Sun , 31 Aug 2025
BCN
18:10
Barcelona Barcelona International Airport
Mon, 01 Sep 2025
ORD
19:50
Chicago Chicago O Hare International Airport
Sun , 31 Aug 2025
BCN
23:10
Barcelona Barcelona International Airport
Mon, 01 Sep 2025
ORD
11:25
Chicago Chicago O Hare International Airport
Sun , 31 Aug 2025
BCN
10:35
Barcelona Barcelona International Airport
Mon, 01 Sep 2025
ORD
15:00
Chicago Chicago O Hare International Airport
Sun , 31 Aug 2025
BCN
10:50
Barcelona Barcelona International Airport
Mon, 01 Sep 2025