Cheap flights from Illinois to San José from $168

In general, February is the cheapest month to fly from Illinois to San José. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $492. If you don’t want to visit San José in February, then you should wait until January to fly from Illinois, when ticket prices are also cheap, with an average price of $502.

On average, the least expensive day to fly to San José from Illinois is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $506. However, this price may fluctuate depending on the airline, the season, and holidays. Flights from Illinois to San José on a Saturday will generally be more expensive and average around $718. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

Our data shows that the cheapest Illinois to San José flights are usually those with departure times in the afternoon. Our users have found flights to San José in the afternoon for as low as $510. Flights at noon are often more expensive with an average ticket price of $696.

Fly from Chicago O'Hare Intl to San José Juan Santamaria Intl for the best Illinois - San José Juan Santamaria Intl flight prices

You are more likely to see cheaper flights to San José from Illinois when booking weeks ahead of your departure date. In general, you can expect to find flights to San José for around $562 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San José from Illinois for as low as $481 on momondo.

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

American Airlines, Southwest, and Delta are the most popular carriers operating from Illinois to San José Juan Santamaria Intl

United Airlines, American Airlines and Copa Airlines are the top three most popular airlines that fly to San José from Illinois according to our data. United Airlines is the first choice among our users, with 48% of people opting to fly with this airline when traveling to San José. Keep in mind that there are 9 different airlines that fly to San José on a routine basis, so you have a few additional options to choose from.