HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
San Sebastian

$444+ Cheap flights from Fremont, 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 5/7. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — EAS
ene. 15 — ene. 221
jue. 1/15
jue. 1/22
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Fremont to San Sebastian with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

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 Fremont to San Sebastian

Cheapest flights from Fremont to San Sebastian
Explore the most affordable flight options available from Fremont to San Sebastian. Find the lowest fares from popular airlines and budget airlines, with prices last updated on diciembre 16, 2025.

This Ovago deal was found by Cheapflights users on 12/15. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/1711:40 amSFO - EAS
2 stops24h 10mIberia
vie. 12/199:30 pmEAS - SFO
2 stops32h 32mIberia
Deal found 12/15$3,177

Find flight deals from Fremont to San Sebastian

Keep the following information in mind while searching for Fremont to San Sebastian flight deals. Data was last updated diciembre 16, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$915
(Iberia)

One-way from

$444
(Kiwi.com)

Popular in

May

Cheapest in

February

Average price

$733
Provider with most accurate pricing for San Francisco-San Sebastián flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Francisco-San Sebastián flights.
Search Deals
From Fremont to San Sebastián
Search Deals
One-way flight from Fremont to San Sebastián
Search Deals
Highest demand for flights based on searches. 21% potential increase in price ($265 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($54 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Fremont 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 diciembre 16, 2025.
Use the filters below to find and compare flights from Fremont to San Sebastian that are best for you.

Fly from

Fremont

Fly to

San Sebastian

Route

Depart

Return

Price

San FranciscoSan Sebastian

SFO - EAS

SFOEAS

San Francisco

mié. 2/4

10:11 am-8:50 pm

2 stops25h 39m

San Sebastián

dom. 2/8

9:20 am-11:12 pm

2 stops22h 52m

$915

San FranciscoSan Sebastian

SFO - EAS

SFOEAS

San Francisco

vie. 1/30

8:40 pm-8:40 am

2 stops27h 00m

San Sebastián

vie. 2/6

1:40 pm-12:47 am

2 stops20h 07m

$973

San FranciscoSan Sebastian

SFO - EAS

SFOEAS

San Francisco

sáb. 3/14

6:30 pm-8:40 am

2 stops30h 10m

San Sebastián

dom. 3/22

9:30 pm-7:45 pm

2 stops30h 15m

$1,075

San FranciscoSan Sebastian

SFO - EAS

SFOEAS

San Francisco

vie. 1/30

4:40 pm-1:30 pm

3 stops35h 50m

San Sebastián

vie. 2/6

2:05 pm-2:45 pm

2 stops33h 40m

$1,076

San FranciscoSan Sebastian

SFO - EAS

SFOEAS

San Francisco

jue. 5/7

7:45 pm-8:20 am

1 stop27h 35m

$444

San FranciscoSan Sebastian

SFO - EAS

SFOEAS

San Francisco

sáb. 6/13

7:45 pm-8:20 am

1 stop27h 35m

$1,081

San FranciscoSan Sebastian

SFO - EAS

SFOEAS

San Francisco

vie. 6/12

6:50 pm-5:20 pm

2 stops37h 30m

$1,173

San FranciscoSan Sebastian

SFO - EAS

SFOEAS

San Francisco

sáb. 6/13

6:50 pm-5:20 pm

2 stops37h 30m

$1,173

San FranciscoSan Sebastian

SFO - EAS

SFOEAS

San Francisco

mié. 5/6

9:10 am-2:40 pm

3 stops44h 30m

$1,733

San FranciscoSan Sebastian

SFO - EAS

SFOEAS

San Francisco

mié. 5/6

7:20 pm-8:40 am

2 stops28h 20m

$2,773

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/14

Best time to book a flight from Fremont to San Sebastian

Have a flexible travel schedule? Discover the best time to fly to San Sebastian from Fremont 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 Fremont to San Sebastian

What is the cheapest month to book a flight from Fremont to San Sebastian?

Currently, March is the cheapest month in which you can book a flight from Fremont to San Sebastian (average of $395). Flying from Fremont 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 FR8 to EAS?

Find hourly flight availability from Fremont 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 diciembre 16, 2025.

It’s optimal to fly from Fremont to San Sebastian in the evening. By choosing this option you can save up to 33% on the cost of your flight, compared to a flight at noon.

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 diciembre 16, 2025.
Get a feel of what it's like to fly with American Airlines and Iberia from Fremont to San Sebastian by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
American Airlines
7.2
Good
11,047 reviews

Food

6.5

Entertainment

6.9

Boarding

7.5

Overall

7.2

Comfort

7.2

Crew

8.0

Reviews

1 / 20
10.0
Excellent

Jeremy,Dec 2025

OKC - CLT

Was an okay flight. Had extra seat empty beside me so was able to stretch a bit
American Airlines
7.2
Good
11,047 reviews
American Airlines
7.2
Good
11,047 reviews

Food

6.5

Entertainment

6.9

Boarding

7.5

Overall

7.2

Comfort

7.2

Crew

8.0

Reviews

1 / 20
10.0
Excellent

Jeremy,Dec 2025

OKC - CLT

Was an okay flight. Had extra seat empty beside me so was able to stretch a bit
Iberia
7.0
Good
3,052 reviews
American Airlines
7.2
Good
11,047 reviews

Food

6.5

Entertainment

6.9

Boarding

7.5

Overall

7.2

Comfort

7.2

Crew

8.0

Reviews

1 / 20
10.0
Excellent

Jeremy,Dec 2025

OKC - CLT

Was an okay flight. Had extra seat empty beside me so was able to stretch a bit

Related info for your journey

Find useful and relevant information for your journey from Fremont to San Sebastian. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to San Sebastian from Fremont?

    San Sebastián (EAS) is the airport you will fly into if you book a flight from Fremont to San Sebastian. You should not have trouble finding flights to San Sebastián from Fremont; the airport handles an average of 0 inbound flights from Fremont per day. You should also have plenty of airline options to choose from since 2 airlines have flights to the San Sebastian airport from Fremont. It is only a 9.7 mi journey from San Sebastián (EAS) to San Sebastian’s city center.

  • How long is the flight from Fremont to San Sebastian?

    Departing from Fremont to San Sebastian will take you 25h 39m. Fremont and San Sebastian are separated by a distance of 5714 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • Can I find deals for flights from Fremont to San Sebastian that include hotel bookings?

    Yes. In addition to deals on Fremont to San Sebastian flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Fremont to San Sebastian?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Fremont to San Sebastian.

  • Can I find deals for business class flights from Fremont to San Sebastian?

    Yes. Cheapflights offers flight deals from Fremont to San Sebastian by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Fremont to San Sebastian?

    Currently, March is the cheapest month in which you can book a flight from Fremont to San Sebastian (average of $395). Flying from Fremont 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Fremont to San Sebastian

See prices for flight routes from nearby airports that may be better suited for you.
San Francisco to Bilbao flights
Los Angeles to Bilbao flights
Los Angeles to San Sebastian flights
San Jose to Bilbao flights
Santa Ana to Bilbao flights
Las Vegas to Bilbao flights
Ontario to Bilbao flights
Ontario to San Sebastian flights
San Francisco to San Sebastian flights
San Diego to Bilbao flights
Santa Ana to San Sebastian flights
Reno to Bilbao flights
Long Beach to Bilbao flights
Sacramento to Bilbao flights
Oakland to San Sebastian flights
San Jose to San Sebastian flights
Las Vegas to San Sebastian flights
Burbank to Bilbao flights
San Francisco to Vitoria-Gasteiz flights
San Diego to San Sebastian flights
Reno to San Sebastian flights
Oakland to Bilbao flights
Fresno to San Sebastian flights

Top 2 airlines flying from Fremont to San Sebastian

Discover the top 2 airlines that operate flights from Fremont 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 diciembre 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
IberiaCheapest$635Average$1,028FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$714Average$1,107FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.