Cheap flights from Illinois to San Sebastian from $452
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Illinois to San Sebastian departing on 7/7. 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 Illinois to San Sebastian
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How to get the cheapest flight ticket from Illinois 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 Illinois 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 Illinois 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 Illinois 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 Illinois to San Sebastián?
Iberia is the most popular carrier operating from Illinois 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 Illinois according to our data. Iberia is the first choice among our users, with 48% 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.
Cheap Illinois to San Sebastian flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Illinois to San Sebastian
When did momondo last update prices for flights from Illinois to San Sebastián Airport?
Prices for flights from Illinois to San Sebastián Airport were last updated today.
How many operators does momondo search for flights from Illinois to San Sebastián Airport?
The number of operators available for flights from Illinois to San Sebastián Airport is 1 as of April 2025.
How old do you have to be to fly from Illinois to San Sebastián Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Illinois 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.
Best airlines flying from Illinois to San Sebastian
Compare and see reviews for airlines that fly from Illinois to San Sebastian with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $679 | Free Cancellation | Rating 7.0 2,674 reviews |
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Why should I use momondo to find a flight deal from Illinois to San Sebastian?
We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Illinois to San Sebastian for you.
Can I find flights from Illinois to San Sebastian with flexible booking policies on momondo?
Yes. momondo enables you to select and highlight flights to San Sebastian from Illinois with this policy.
How can momondo help me find flights from Illinois to San Sebastian?
momondo provides multiple filters to help you find the best flight to San Sebastian from Illinois. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.
I’m not ready to book a flight from Illinois to San Sebastian right now. Can momondo alert me if prices change?
Of course. momondo tracks the price of Illinois to San Sebastian flights. All you need is a valid email address and we will do the rest; it is that quick and easy.