Cheap flights from California to San Sebastian from $397
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from California to San Sebastian departing on 9/9. 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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American Airlines flights from California to San Sebastian
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How to get the cheapest flight ticket from California 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 California is on a Friday. momondo users have found tickets for Friday departures for as low as $1,112. 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 California to San Sebastian for around $1,618.
What is the cheapest time of day to depart on your flight to San Sebastian?
Flying to San Sebastian from California in the evening is the least expensive time of day to depart. momondo users have found prices as low as $1,196 when looking at flights departing in the evening. Flights to San Sebastian are more costly in the morning, with an average ticket price of $1,481. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.
What is the cheapest airline that flies from California to San Sebastián?
Vueling, Iberia, and American Airlines are the most popular carriers operating from California 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 California according to our data. Iberia is the first choice among our users, with 42% of people opting to fly with this airline when traveling to San Sebastian. Keep in mind that there are 9 different airlines that fly to San Sebastian on a routine basis, so you have a few additional options to choose from.
Cheap California to San Sebastian flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from California to San Sebastian
When did momondo last update prices for flights from California to San Sebastián Airport?
Prices for flights from California to San Sebastián Airport refresh daily.
How many operators does momondo search for flights from California to San Sebastián Airport?
As of June 2025, there are 2 operators available to choose from for flights from California to San Sebastián Airport.
How old do you have to be to fly from California 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 California 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 California to San Sebastian
Compare and see reviews for airlines that fly from California to San Sebastian with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $662 | Free Cancellation | Rating 7.0 2,778 reviews | |||
| PriceFrom $828 | Free Cancellation | Rating 7.2 10,000 reviews |
Traveling to a place near San Sebastian?
Book flights to San Sebastian if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from California 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 California.
Can I find flights from California to San Sebastian with flexible booking policies on momondo?
All flight searches from California to San Sebastian on momondo can be filtered to show those which offer flexible booking policies.
How can momondo help me find flights from California to San Sebastian?
momondo provides multiple filters to help you find the best flight to San Sebastian from California. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.
I’m not ready to book a flight from California to San Sebastian right now. Can momondo alert me if prices change?
If you are not ready to book a flight from California to San Sebastian now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to San Sebastian and let you know when they change.