Cheap flights from Chicago O'Hare Intl Airport to San Sebastian from $354
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago O'Hare Intl Airport to San Sebastian departing on 7/24. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Iberia flights from Chicago O'Hare Intl Airport to San Sebastian
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How to get the cheapest flight ticket from Chicago O'Hare Intl Airport to San Sebastian
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest day to depart on your flight to San Sebastian?
On average, the least expensive day to fly to San Sebastian from Chicago O'Hare Intl Airport is on a Friday. momondo users have found tickets for Friday departures for as low as $827. However, this price may fluctuate depending on the airline, the season, and holidays. When flying out on a Tuesday, the most expensive travel day of the week, you can expect to see flight prices from Chicago O'Hare Intl Airport to San Sebastian for around $1,488.
What is the cheapest time of day to depart on your flight to San Sebastian?
Flying to San Sebastian from Chicago O'Hare Intl Airport in the morning is the least expensive time of day to depart. momondo users have found prices as low as $962 when looking at flights departing in the morning. Flights to San Sebastian are more costly in the afternoon, with an average ticket price of $1,256. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.
What is the cheapest airline that flies from Chicago O'Hare Intl to San Sebastián?
Iberia and American Airlines are the most popular carriers operating from Chicago O'Hare Intl to San Sebastián
What airlines fly to San Sebastian?
Iberia, United Airlines and Lufthansa are the top three most popular airlines that fly to San Sebastian from Chicago O'Hare Intl Airport according to our data. Iberia is the first choice among our users, with 44% of people opting to fly with this airline when traveling to San Sebastian. Keep in mind that there are 4 different airlines that fly to San Sebastian on a routine basis, so you have a few additional options to choose from.
When to book flights from Chicago O'Hare Intl Airport to San Sebastian
Cheap Chicago O'Hare Intl Airport to San Sebastian (ORD to EAS) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Chicago O'Hare Intl Airport to San Sebastian
How far is Chicago O'Hare Intl to San Sebastián by plane?
The distance between Chicago O'Hare Intl and San Sebastián is about 4155.4 mi. Flights usually cover this in 13h 30m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from Chicago O'Hare Intl Airport to San Sebastián Airport?
Prices for flights from Chicago O'Hare Intl Airport to San Sebastián Airport were last updated today.
How many operators does momondo search for flights from Chicago O'Hare Intl Airport to San Sebastián Airport?
The number of operators available for flights from Chicago O'Hare Intl Airport to San Sebastián Airport is 1 as of June 2025.
How old do you have to be to fly from Chicago O'Hare Intl Airport to San Sebastián Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Chicago O'Hare Intl Airport to San Sebastián Airport.
What documentation or ID do you need to fly to San Sebastián Airport?
The required travel and health documents for your San Sebastián Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at San Sebastián Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular airline from Chicago O'Hare Intl Airport to San Sebastian?
momondo data reveals that the most frequently booked airline on the route from Chicago O'Hare Intl Airport to San Sebastian is Iberia, representing 100% of all bookings.
Best airlines flying from Chicago O'Hare Intl Airport to San Sebastian
Compare and see reviews for airlines that fly from Chicago O'Hare Intl Airport to San Sebastian with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $679 | Free Cancellation | Rating 7.0 2,776 reviews |
Traveling to a place near San Sebastian?
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Why should I use momondo to find a flight deal from Chicago to San Sebastian?
To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to San Sebastian from Chicago.
Can I find flights from Chicago to San Sebastian with flexible booking policies on momondo?
Yes. momondo enables you to select and highlight flights to San Sebastian from Chicago with this policy.
How can momondo help me find flights from Chicago to San Sebastian?
Once all potential Chicago to San Sebastian flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.
I’m not ready to book a flight from Chicago to San Sebastian right now. Can momondo alert me if prices change?
If you are simply researching potential flights to San Sebastian, momondo offers a useful price alert feature which will track prices for flights to San Sebastian from Chicago and alert you when they change.