Question : Over the coming months, which airline is getting their passengers to O'Hare International Airport (ORD) round-trip the cheapest?
Answer : Aer Lingus is your best bet for finding that coveted low fare. They're offering fares as low as $1,006, while prices for other flights are as high as $3,244.
Question : How many days should you spend in Chicago?
Answer : Travelers from BIO to ORD stay eight days on average.
Question : Is the price you found a good deal?
Answer : Ranging from $1,006 to $3,244, prices for BIO to ORD do fluctuate more than the majority of routes from Spain and Canary Islands. Remember, the sooner you book, the better price you tend to get.