HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news

Cheap flights from Ontario (ONT) to San Sebastian (EAS) from $2,546

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/21. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
ONT — EAS
May 21 — May 281
From?
To?
Tue 5/21
Tue 5/28
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

What is the cheapest month to fly from Ontario to San Sebastian?

Flights from Ontario to San Sebastian lean towards being more expensive in July. Prices are generally better when you fly from Ontario to San Sebastian in February, with the cheapest ticket starting at $503.

When is the cheapest time to fly from Ontario to San Sebastian (ONT - EAS)?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Ontario to San Sebastian as you normally would.

Cheap Ontario to San Sebastian flights in May & June 2024

Find cheap flight options from Ontario to San Sebastian specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,637,452 searches. Prices were last updated on May 16, 2024.
Sat 6/296:00 amONT - EAS
2 stops22h 00mAmerican Airlines
Wed 7/31:40 pmEAS - ONT
2 stops19h 19mAmerican Airlines
Deal found 5/16$3,068

Ontario to San Sebastian 2024 flight deals

Discover exclusive flight deals for travel between Ontario and San Sebastian in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,637,452 searches. Data last updated May 16, 2024.
Sun 7/212:47 pmONT - EAS
2 stops21h 03mAmerican Airlines
Sun 7/281:40 pmEAS - ONT
2 stops29h 15mAmerican Airlines
Deal found 5/16$2,546
Sat 6/296:00 amONT - EAS
2 stops22h 00mAmerican Airlines
Wed 7/31:40 pmEAS - ONT
2 stops19h 19mAmerican Airlines
Deal found 5/16$3,068

No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Ontario 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 does ONT to EAS mean?

    Ontario Airport is ONT and San Sebastián Airport is EAS. These codes are created by the International Air Transport Association (IATA) and airlines use them to identify the departing and arrival airports in the flight routes they service.

  • Can I find deals for flights from Ontario to San Sebastian that include extra baggage allowance?

    The amount of baggage you can bring on your Ontario to San Sebastian flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Ontario to San Sebastian with specific airlines?

    Yes, Cheapflights allows you to browse and filter Ontario to San Sebastian flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Ontario 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.

  • Can I find deals for flights from Ontario to San Sebastian that allow pets onboard?

    Many airlines flying from Ontario to San Sebastian offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Ontario to San Sebastian?

    Yes, you can often find last-minute deals on Ontario to San Sebastian flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Ontario to San Sebastian flight deals updated?

    The Ontario to San Sebastian flight deals you see on this page were last updated on 5/16.

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 Ontario to San Sebastian
See prices for flight routes from nearby airports that may be better suited for you.

Los Angeles to San Sebastian flights
Los Angeles to Bilbao flights
San Francisco to Bilbao flights
Ontario to Bilbao flights
Las Vegas to Bilbao flights
San Diego to Bilbao flights
San Francisco to San Sebastian flights
Reno to Bilbao flights
San Jose to Bilbao flights
Santa Ana to Bilbao flights
San Jose to San Sebastian flights
Las Vegas to San Sebastian flights
Santa Ana to San Sebastian flights
Oakland to Bilbao flights
Sacramento to Bilbao flights
Reno to San Sebastian flights
Burbank to Bilbao flights
San Francisco to Vitoria-Gasteiz flights
San Diego to San Sebastian flights
Oakland to San Sebastian flights
Long Beach to Bilbao flights
Fresno to San Sebastian flights
Seattle to Las Vegas flights
Nashville to Knoxville flights
New York to Canada flights
USA to Pakistan flights
Los Angeles to Las Vegas flights
New York to Italy flights
Newark Airport to San Diego flights
Minneapolis to San Francisco flights
Pittsburgh to Miami flights
Chicago to Toronto flights
Phoenix to Cancún flights
Ontario to Wenatchee flights

Search flights from Ontario to San Sebastian by cabin class

Find flights from Ontario to San Sebastian, based on your preferred cabin class, be it economy, premium economy, business, or first class.
First Class
Business Class
Prem Econ Class
Economy Class

Book a flight to one of these trending destinations

User searches for flights to these destinations increased 20% or more in the past 90 days compared to other destinations
Flights to Montes Claros
Flights to Girona Costa Brava
Flights to Naxos
Flights to Bourgas
Flights to Hyannis Barnstable
Flights to Samos
Flights to Reggio Calabria Tito Menniti
Flights to Devils Lake
Flights to Ningbo Lishe Intl
Flights to Pellston Emmet County
Flights to Provincetown
Flights to Cortez Montezuma County
Flights to Ohrid
Flights to Oran Es Senia
Flights to Menorca/Mahon
Flights to Hakodate
Flights to Ordu/Giresun
Flights to Laayoune Hassan I
Flights to Cornwall Newquay
Flights to Melilla
Flights to Rennes St Jacques
Flights to Parikia Paros
Flights to Constanţa Mihail Kogalniceanu
Flights to Miyakojima Hirara

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Ontario to San Sebastian?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to San Sebastian from Ontario today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Ontario to San Sebastian?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Ontario to San Sebastian for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Ontario to San Sebastian with no change fees?

Certainly. Search results for flights to San Sebastian from Ontario shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Ontario to San Sebastian become cheaper?

Not ready to book yet? You can track prices for flights from Ontario to San Sebastian on Cheapflights with our Price Alert feature and get notified when better prices are available.

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.
View all available airlines