Chicago (ORD) to Bilbao (BIO) flight deal from $351 USD in economy class – flightdeals.net

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American Airlines

AAAmerican Airlines

Finnair

British Airways

BABritish Airways

Iberia Airlines

IBIberia Airlines

One Way•Economy

O'Hare International Airport

Chicago, United States

Bilbao Airport

$609 USD

-42%$351 USD

Verified Apr 8, 2026 at 12:30 AM

April 2026

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30 31 1 2 3 4 5 6 7 8$650 9$1,120 10$705 11$1,115 12$738 13$655 14$650 15$738 16$705 17$700 18$705 19$650 20$650 21$650 22$650 23$705 24$700 25$705 26$650 27$650 28$650 29$650 30$700 1$700 2$700 3$650

Fair Availability

23% of dates checked are available within 10% of the lowest price

Thursday, April 23rd, 2026

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