$416+ Cheap flights from California to San Sebastian (EAS)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/7. Fares are subject to change and may not be available on all flights or dates of travel.
Find cheap flights from California to San Sebastian with Cheapflights
1. Tell us where you want to go
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Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from California to San Sebastian
Cheapest flights from California to San SebastianExplore the most affordable flight options available from California to San Sebastian. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.
Explore the most affordable flight options available from California to San Sebastian. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.
This FlightHub deal was found by Cheapflights users on 12/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This oojo deal was found by Cheapflights users on 12/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This Mytrip deal was found by Cheapflights users on 12/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
This KAYAK deal was found by Cheapflights users on 12/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Find flight deals from California to San Sebastian
Keep the following information in mind while searching for California to San Sebastian flight deals. Data was last updated December 18, 2025.
Most accurate provider | eDreams 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $582 (Finnair) |
One-way from | $416 (Kiwi.com) |
Popular in | February |
Cheapest in | August |
Average price | $1,640 |
Cheapflights Fare Finder
Use the filters below to find and compare flights from California to San Sebastian that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
Los AngelesSan Sebastian
LAX - EAS
LAXEAS
Los Angeles
Mon 1/26
10:50 am-1:00 pm
2 stops17h 10m
San Sebastián
Mon 2/9
9:30 pm-5:06 pm
2 stops28h 36m
OntarioSan Sebastian
ONT - EAS
ONTEAS
Ontario
Mon 1/26
7:16 am-1:00 pm
2 stops20h 44m
San Sebastián
Mon 2/9
9:30 pm-10:08 am
2 stops21h 38m
Los AngelesSan Sebastian
LAX - EAS
LAXEAS
Los Angeles
Thu 1/8
10:20 pm-1:00 pm
2 stops29h 40m
San Sebastián
Thu 1/15
9:30 pm-4:35 pm
1 stop28h 05m
Los AngelesSan Sebastian
LAX - EAS
LAXEAS
Los Angeles
Wed 1/21
6:10 pm-8:50 pm
1 stop17h 40m
San Sebastián
Sun 1/25
9:20 am-4:35 pm
1 stop16h 15m
RenoSan Sebastian
RNO - EAS
RNOEAS
Reno
Wed 1/21
6:15 am-1:00 pm
2 stops21h 45m
San Sebastián
Sun 1/25
9:20 am-10:15 pm
2 stops21h 55m
San DiegoSan Sebastian
SAN - EAS
SANEAS
San Diego
Fri 2/6
9:24 am-8:50 pm
2 stops26h 26m
San Sebastián
Tue 2/10
9:20 am-10:58 pm
2 stops22h 38m
Santa AnaSan Sebastian
SNA - EAS
SNAEAS
Santa Ana J. Wayne/Orange Cnty
Mon 1/26
10:53 am-1:00 pm
2 stops17h 07m
San Sebastián
Mon 2/9
9:30 pm-8:34 am
2 stops20h 04m
Santa AnaSan Sebastian
SNA - EAS
SNAEAS
Santa Ana J. Wayne/Orange Cnty
Wed 2/11
10:53 am-8:40 am
2 stops36h 47m
San Sebastián
Sun 2/15
9:30 pm-8:23 pm
2 stops31h 53m
San FranciscoSan Sebastian
SFO - EAS
SFOEAS
San Francisco
Fri 1/30
8:40 pm-8:40 am
2 stops27h 00m
San Sebastián
Fri 2/6
1:40 pm-12:47 am
2 stops20h 07m
San FranciscoSan Sebastian
SFO - EAS
SFOEAS
San Francisco
Sat 1/31
10:35 am-8:40 am
2 stops37h 05m
San Sebastián
Sat 2/7
9:30 pm-9:17 am
2 stops20h 47m
Best time to book a flight from California to San Sebastian
Have a flexible travel schedule? Discover the best time to fly to San Sebastian from California with our price prediction graph.
Cheapflights Insights
Everything you need to know about your flight from California to San Sebastian
What is the cheapest month to book a flight from California to San Sebastian?
Currently, March is the cheapest month in which you can book a flight from California to San Sebastian (average of $395). Flying from California to San Sebastian in June is currently the most expensive (average of $901). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from CA to EAS?
Find hourly flight availability from California to San Sebastian. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 18, 2025.
It’s typically best to fly out from California to San Sebastian in the afternoon. Doing so could potentially save you 31% on the flight price compared to flying at noon, which is usually more expensive.
Related info for your journey
Find useful and relevant information for your journey from California to San Sebastian. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for California to San Sebastian
See prices for flight routes from nearby airports that may be better suited for you.
Top 2 airlines flying from California to San Sebastian
Discover the top 2 airlines that operate flights from California to San Sebastian. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 18, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$635 | Average$1,046 | FlexibilityNo cancel fee | On-time77% | |
| Cheapest$714 | Average$1,107 | FlexibilityNo cancel fee | On-time71% |