$460+ Cheap flights from Riverside, CA 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 6/6. Fares are subject to change and may not be available on all flights or dates of travel.
LAX — EAS
Jan 27 — Feb 31
1 adult, Economy
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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 Riverside to San Sebastian
Cheapest flights from Riverside to San SebastianExplore the most affordable flight options available from Riverside to San Sebastian. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 28, 2025.
Explore the most affordable flight options available from Riverside to San Sebastian. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 28, 2025.
This KAYAK deal was found by Cheapflights users on 12/26. 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.
Sun 12/286:10 pmLAX - EAS
1 stop29h 30mIberia
Mon 1/59:30 pmEAS - LAX
2 stops31h 51mIberia
Deal found 12/26![Iberia logo]()
$2,489
This KAYAK deal was found by Cheapflights users on 12/26. 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.
Sun 12/2811:46 amLAX - EAS
2 stops24h 04mIberia
Sun 1/49:20 amEAS - LAX
2 stops20h 15mIberia
Deal found 12/26![Iberia logo]()
$2,543
Find flight deals from Riverside to San Sebastian
Keep the following information in mind while searching for Riverside to San Sebastian flight deals. Data was last updated December 28, 2025.
Most accurate provider | eDreams 3 stars |
|---|---|
Most trusted provider | eDreams 3 stars |
Round-trip from | $579 (Travelocity) |
One-way from | $460 (Travelocity) |
Popular in | February |
Cheapest in | January |
Average price | $1,640 |
Cheapflights Fare Finder
Customize your flight search to find flights from Riverside to San Sebastian that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 28, 2025.
Use the filters below to find and compare flights from Riverside to San Sebastian that are best for you.
Fly from
Riverside
Fly to
San Sebastian
Route
Depart
Return
Price
Los AngelesSan Sebastian
LAX - EAS
LAXEAS
Los Angeles
Sat 4/11
6:00 am-8:40 am
2 stops17h 40m
San Sebastián
Sun 4/19
1:40 pm-12:28 am
2 stops19h 48m
$755
Los AngelesSan Sebastian
LAX - EAS
LAXEAS
Los Angeles
Tue 5/19
5:50 pm-8:40 am
1 stop29h 50m
San Sebastián
Fri 6/5
9:30 pm-4:05 pm
1 stop27h 35m
$929
Los AngelesSan Sebastian
LAX - EAS
LAXEAS
Los Angeles
Wed 1/14
6:10 pm-8:50 pm
1 stop17h 40m
San Sebastián
Wed 2/4
9:20 am-4:35 pm
1 stop16h 15m
$1,006
Los AngelesSan Sebastian
LAX - EAS
LAXEAS
Los Angeles
Wed 1/14
6:10 pm-8:50 pm
1 stop17h 40m
San Sebastián
Fri 1/30
9:30 pm-8:46 am
2 stops20h 16m
$1,016
Los AngelesSan Sebastian
LAX - EAS
LAXEAS
Los Angeles
Sat 6/6
11:43 pm-8:40 am
2 stops23h 57m
$460
Los AngelesSan Sebastian
LAX - EAS
LAXEAS
Los Angeles
Sat 6/6
6:05 pm-8:50 pm
3 stops41h 45m
$500
Los AngelesSan Sebastian
LAX - EAS
LAXEAS
Los Angeles
Sat 6/6
5:50 pm-8:50 pm
1 stop18h 00m
$526
Best time to book a flight from Riverside to San Sebastian
Have a flexible travel schedule? Discover the best time to fly to San Sebastian from Riverside with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Riverside to San Sebastian
What is the cheapest month to book a flight from Riverside to San Sebastian?
Currently, January is the cheapest month in which you can book a flight from Riverside to San Sebastian (average of $520). Flying from Riverside to San Sebastian in June is currently the most expensive (average of $1,005). 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 R1V to EAS?
Find hourly flight availability from Riverside 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 28, 2025.
One of the essential ways to save on airfare from Riverside to San Sebastian is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight in the afternoon could potentially save you up to 25% on airfare.
Reviews of airlines servicing San Sebastian
Get insights into the airlines that provide service to San Sebastian. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to San Sebastian. Reviews last updated December 28, 2025.
Read reviews from past customers who have flown Iberia from Riverside to San Sebastian. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
7.1
Food
6.3
Comfort
6.7
Overall
7.0
Crew
7.7
Entertainment
6.6
Reviews
1 / 20
2.0
MediocreStiphan,Nov 2025
SVQ - MAD
Boarding
7.1
Food
6.3
Comfort
6.7
Overall
7.0
Crew
7.7
Entertainment
6.6
Reviews
1 / 20
2.0
MediocreStiphan,Nov 2025
SVQ - MAD
Related info for your journey
Find useful and relevant information for your journey from Riverside 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 Riverside to San Sebastian
See prices for flight routes from nearby airports that may be better suited for you.
Top airline flying from Riverside to San Sebastian
Discover the top airline that operate flights from Riverside 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 28, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$644 | Average$1,061 | FlexibilityNo cancel fee | On-time77% |