Cheap flights from Spain to Chicago from $345

The month of November is another great option to travel to Chicago O'Hare Intl Airport, with average flight prices from Spain averaging around $552.

The cheapest day to depart on your flight to Chicago O'Hare Intl Airport is on a Thursday when prices can be found for as low as $768. This is often the case because there is less demand to fly during this day of the week. On the other hand, Sunday is the most expensive day to depart from Spain because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,188.

Flying to Chicago O'Hare Intl Airport from Spain in the morning is the least expensive time of day to depart. momondo users have found prices as low as $758 when looking at flights departing in the morning. Try not to purchase tickets at noon because they tend to be around $899. Of course, these prices can vary depending on the time of year and what airport you fly to.

Fly from Madrid Barajas to Chicago O'Hare Intl for the best Spain - Chicago O'Hare Intl flight prices

You are more likely to see cheaper flights to Chicago O'Hare Intl Airport from Spain when booking weeks ahead of your departure date. In general, you can expect to find flights to Chicago O'Hare Intl Airport for around $691 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chicago O'Hare Intl Airport from Spain for as low as $580 on momondo.

There are 3 cabin classes available to choose from on Spain to Chicago O'Hare Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Iberia, Finnair, and TAP AIR PORTUGAL are the most popular carriers operating from Spain to Chicago O'Hare Intl

Iberia, British Airways and United Airlines are the top three most popular airlines that fly to Chicago O'Hare Intl Airport from Spain according to our data. Iberia is the first choice among our users, with 53% of people opting to fly with this airline when traveling to Chicago O'Hare Intl Airport. Keep in mind that there are 8 different airlines that fly to Chicago O'Hare Intl Airport on a routine basis, so you have a few additional options to choose from.

Historically, on average around 15% of flights between Spain and Chicago have experienced a delay on any given week. The average delay length over the past 12 months has been 190 minutes.

Generally, flights departing in the morning tend to experience fewer delays. Flights in the early afternoon have, in the past, seen delays more frequently in comparison.

Saturday is statistically the day of the week which experiences the fewest number of delays on this flight route. Tuesday has historically seen more delays on average compared to the rest of the week.

According to our data, American Airlines have had the least number of delays on this route over the last 12 months; with about 10% of their flights experiencing any sort of delay.

As of March 2026, there are 11 flights per day flying from Spain to Chicago O'Hare Intl Airport. The most common time of day flights depart is 12:00PM, with 100% of flights taking off in the afternoon.

As of March 2026, there are 81 flights per week flying from Spain to Chicago O'Hare Intl Airport. The most common day of the week flights depart is Sun, with 19% of flights taking off on this day.