Cheap flights from Illinois to Spain from $276

If you don’t want to visit Spain in February, then you should wait until January to fly from Illinois, when ticket prices are also cheap, with an average price of $617.

The cheapest day to depart from Illinois to Spain is on a Wednesday when prices can be found for as low as $836. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Illinois to Spain for around $973.

Flying to Spain from Illinois in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $888 when looking at flights departing in the afternoon. In contrast, the most expensive time of day to depart to Spain is in the evening when prices are around $925.

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

You are more likely to see cheaper flights to Spain from Illinois when booking weeks ahead of your departure date. In general, you can expect to find flights to Spain for around $792 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Spain from Illinois for as low as $691 on momondo.

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

Icelandair, British Airways, and Iberia are the most popular carriers operating from Illinois to Spain

Iberia, United Airlines and TAP AIR PORTUGAL are the top three most popular airlines that fly to Spain from Illinois according to our data. Iberia is the first choice among our users, with 32% of people opting to fly with this airline when traveling to Spain. Keep in mind that there are 19 different airlines that fly to Spain on a routine basis, so you have a few additional options to choose from.

The number of flights available between Illinois and Spain is 13 per day as of September 2026. The most frequent departure time is 4:00PM, with 64% of daily flights leaving in the evening.

As of September 2026, there are 92 flights per week flying from Illinois to Spain. The most common day of the week flights depart is Mon, with 18% of flights taking off on this day.