BIO to ORD from $399 in economy – flightdeals.net

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American Airlines

AAAmerican Airlines

Finnair

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BABritish Airways

Iberia Airlines

IBIberia Airlines

Round Trip•Economy

Bilbao Airport

O'Hare International Airport

Chicago, United States

$903 USD

-56%$399 USD

Verified 16 days ago

July 2026

Mon

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Sun

29 30 1 2 3 4 5 6$1,353 7$1,364 8$1,353 9$1,353 10$1,370 11$1,204 12$1,948 13$927 14$781 15$770 16$770 17$867 18$798 19$787 20$850 21$696 22$696 23$696 24$713 25$798 26$1,365 27$987 28$781 29$719 30$850 31$936 1$878 2$936

Limited Availability

10% of dates checked are available within 10% of the lowest price

Sunday, July 5th, 2026

0 round-trip options

No flight details available for this date.