Cheap flights from Barcelona-El Prat Airport to Chicago from $392

The month of February is, on average, the cheapest month to fly to Chicago from Barcelona-El Prat Airport, with most prices found around $454. If you’re not able to fly to Chicago in February, then November is your next best option. Flight prices from Barcelona-El Prat Airport to Chicago during November average around $474.

The cheapest day to depart on your flight to Chicago is on a Thursday when prices can be found for as low as $775. This is often the case because there is less demand to fly during this day of the week. When flying out on a Sunday, the most expensive travel day of the week, you can expect to see flight prices from Barcelona-El Prat Airport to Chicago for around $1,188.

Our most recent data shows that the best time of day to fly to Chicago is in the morning. Flights from Barcelona-El Prat Airport to Chicago during this time can be as low as $780. In contrast, the most expensive time of day to depart to Chicago is at noon when prices are around $899.

Fly from Barcelona-El Prat to Chicago O'Hare Intl for the best Barcelona-El Prat - Chicago flight prices

You are more likely to see cheaper flights to Chicago from Barcelona-El Prat Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Chicago 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 from Barcelona-El Prat Airport for as low as $580 on momondo.

There are 3 cabin classes available to choose from on Barcelona-El Prat to Chicago flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

You could potentially save up to 6% on your flight if you consider stops on a Barcelona-El Prat Airport to Chicago flight.

As of March 2026, prices for Barcelona-El Prat Airport to Chicago flights are approximately 9% more expensive when compared to flights at the same time last year.

British Airways, TAP AIR PORTUGAL, and Delta are the most popular carriers operating from Barcelona-El Prat to Chicago

Iberia, British Airways and United Airlines are the top three most popular airlines that fly to Chicago from Barcelona-El Prat Airport according to our data. Iberia is the first choice among our users, with 36% of people opting to fly with this airline when traveling to Chicago. Keep in mind that there are 5 different airlines that fly to Chicago on a routine basis, so you have a few additional options to choose from.

Historically, on average around 14% of flights between Barcelona and Chicago have experienced a delay on any given week. The average delay length over the past 12 months has been 224 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.

Friday is statistically the day of the week which experiences the fewest number of delays on this flight route. Monday 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 9% of their flights experiencing any sort of delay.

Lisbon (LIS) was the most common stop: 60% of momondo users choosing 1-stop flights on this route connected there.

Flights via Dublin (DUB) offer the lowest average round-trip price of $601.

Flights connecting via Dublin (DUB) have the shortest average one-way travel time: 13h 25m.

Istanbul (IST) has the shortest average layover time for this route: 2h 00m.