Cheap flights from Chicago O'Hare Intl Airport to Barcelona from $341

The month of February is, on average, the cheapest month to fly to Barcelona from Chicago O'Hare Intl Airport, with most prices found around $469. If you don’t want to visit Barcelona in February, then you should wait until January to fly from Chicago O'Hare Intl Airport, when ticket prices are also cheap, with an average price of $560.

The cheapest day to depart from Chicago O'Hare Intl Airport to Barcelona is on a Wednesday when prices can be found for as low as $852. On the other hand, Friday is the most expensive day to depart from Chicago O'Hare Intl Airport because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,139.

In the afternoon is the cheapest time of day to fly from Chicago O'Hare Intl Airport to Barcelona when you can find flight prices for as low as $787. Flying to Barcelona in the afternoon is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $995 on average. Flights to Barcelona from Chicago O'Hare Intl Airport in the evening are generally more expensive because this time of day is more convenient for travelers’ schedules.

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

You are more likely to see cheaper flights to Barcelona from Chicago O'Hare Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Barcelona for around $802 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Barcelona from Chicago O'Hare Intl Airport for as low as $643 on momondo.

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

British Airways, United Airlines, and Air Serbia are the most popular carriers operating from Chicago O'Hare Intl to Barcelona

United Airlines, American Airlines and British Airways are the top three most popular airlines that fly to Barcelona from Chicago O'Hare Intl Airport according to our data. United Airlines is the first choice among our users, with 50% of people opting to fly with this airline when traveling to Barcelona. Keep in mind that there are 17 different airlines that fly to Barcelona on a routine basis, so you have a few additional options to choose from.

Historically, on average around 30% of flights between Chicago and Barcelona have experienced a delay on any given week. The average delay length over the past 12 months has been 185 minutes.

Generally, flights departing in the evening tend to experience fewer delays. Flights at night 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. 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 25% of their flights experiencing any sort of delay.

As of September 2026, 5 flights take off from Chicago O'Hare Intl Airport and land in Barcelona each day. The most common flight departure time for this route is 9:00PM, with 100% of daily flights taking off in the evening.

41 flights are operational weekly from Chicago O'Hare Intl Airport to Barcelona as of September 2026. The most popular departure day for this route is Mon, with 17% of flights per week taking off on this day.