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$340+ Cheap flights from Oakland, CA (OAK) 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 1/20. Fares are subject to change and may not be available on all flights or dates of travel.
OAK — EAS
Dec 13 — Dec 201
Sat 12/13
Sat 12/20
1 adult, Economy
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1. Tell us where you want to go

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Cheap flight deals from Oakland to San Sebastian

Discover tips and strategies to find the most affordable flight options for your journey from Oakland (OAK) to San Sebastian (EAS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated November 13, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$1,296
(Trip.com)

One-way from

$340
(Kiwi.com)

Popular in

May

Cheapest in

February

Average price

$1,290
Provider with most accurate pricing for San Francisco-San Sebastián flight deals.
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Provider most trusted by Cheapflights users for San Francisco-San Sebastián flights.
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From Oakland to San Sebastián
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One-way flight from Oakland to San Sebastián
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Highest demand for flights based on searches. 18% potential increase in price ($236 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($46 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Find flight deals from Oakland to San Sebastian

Best flights from Oakland to San Sebastian
Discover carefully curated flight deals from Oakland to San Sebastian that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 13, 2025.

This Trip.com deal was found by Cheapflights users on 11/13. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/121:25 pmOAK - EAS
3 stops58h 15mMultiple Airlines
Tue 1/209:30 pmEAS - OAK
2 stops30h 26mMultiple Airlines
Deal found 11/13$1,296

Cheapflights Fare Finder

 
Customize your flight search to find flights from Oakland 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 November 13, 2025.
Use the filters below to find and compare flights from Oakland to San Sebastian that are best for you.

Fly from

Oakland

Fly to

San Sebastian

Route

Depart

Return

Price

OaklandSan Sebastian

OAK - EAS

OAKEAS

Oakland

Mon 1/12

1:25 pm-8:40 am

3 stops58h 15m

San Sebastián

Tue 1/20

9:30 pm-6:56 pm

2 stops30h 26m

$1,296

OaklandSan Sebastian

OAK - EAS

OAKEAS

Oakland

Tue 1/20

8:10 am-1:30 pm

3 stops44h 20m

$340

OaklandSan Sebastian

OAK - EAS

OAKEAS

Oakland

Thu 1/22

8:10 am-1:30 pm

3 stops44h 20m

$351

OaklandSan Sebastian

OAK - EAS

OAKEAS

Oakland

Wed 1/21

8:10 am-1:30 pm

3 stops44h 20m

$373

OaklandSan Sebastian

OAK - EAS

OAKEAS

Oakland

Fri 1/16

8:10 am-1:30 pm

3 stops44h 20m

$463

OaklandSan Sebastian

OAK - EAS

OAKEAS

Oakland

Sun 1/18

8:10 am-1:30 pm

3 stops44h 20m

$488

OaklandSan Sebastian

OAK - EAS

OAKEAS

Oakland

Mon 1/19

9:17 pm-8:40 am

2 stops50h 23m

$548

OaklandSan Sebastian

OAK - EAS

OAKEAS

Oakland

Sat 1/17

11:08 am-8:50 pm

3 stops48h 42m

$548

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/13

Best time to book a flight from Oakland to San Sebastian

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

What is the cheapest month to book a flight from Oakland, California to San Sebastian?

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

Related info for your journey

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

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Oakland 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 Oakland, California to San Sebastian?

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

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