Planning a flight from Chicago O'Hare to San Sebastián?

Flight prices from Chicago to San Sebastián change depending on demand and time of booking.

Choose a date to explore the best fares now.

Many users find better fares by booking several weeks in advance. In fact, for many routes, booking early is one of the best ways to save.

Are there multiple airports in Chicago and San Sebastián?

If your departure or arrival city has more than one airport, it's worth comparing all of them for timing and pricing.

• Airports in Chicago: 3 airports are active in Chicago - Midway, O'Hare, Rockford.
• Airports in San Sebastián: San Sebastián - San Sebastian is the only airport currently running.

If you're traveling with a group or bulky luggage, look into parking or transport options. Alternative airports may offer faster transfers or better rates.

Adjust your flight filters for Chicago O'Hare – San Sebastián

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Other popular destinations

Planning a trip to Spain? These cities are popular too: Alicante, Barcelona, Madrid, Málaga, Palma de Mallorca.

Sorting options let you see the most affordable flights first. Some results may include extra fees shown only at checkout — always read carefully to see what’s included.