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Cheap flights from Ontario to San Sebastian from C$ 394

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 13/9. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — EAS
5 Aug — 12 Aug1
1 adult

Cheap flight deals from Ontario to San Sebastian

Keep the following information in mind while searching for Ontario to San Sebastian flight deals. Data was last updated 31 July 2025.

Round-trip from

C$ 1,214

One-way from

C$ 394
14/9-21/9
  • 14/9-21/9
  • 5 total stops
  • 65h 17m total
  • Ontario to San Sebastian
Search Deals
13/9
  • 13/9
  • 2 total stops
  • 50h 45m total
  • Ontario to San Sebastian
Search Deals

Find flight deals from Ontario to San Sebastian

Cheapest flights from Ontario to San Sebastian
Explore the most affordable flight options available from Ontario to San Sebastian. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 31 July 2025.

Sun 14/911:00 p.m.YUL - EAS
2 stops31h 55mMultiple Airlines
Sun 21/95:55 p.m.EAS - YUL
3 stops33h 22mMultiple Airlines
Deal found 31/7C$ 1,214
Sat 13/912:31 p.m.YUL - EAS
2 stops26h 19mIberia
Sat 27/99:30 p.m.EAS - YUL
2 stops28h 45mIberia
Deal found 30/7C$ 1,608

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ontario 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 629,999 searches. Data last updated 31 July 2025.
Use the filters below to find and compare flights from Ontario to San Sebastian that are best for you.

Fly from

Ontario

Fly to

San Sebastian

Route

Depart

Return

Price

MontrealSan Sebastian

YUL - EAS

YULEAS

Montreal Pierre Elliott Trudeau Intl

Sun 14/9

11:00 p.m.-12:55 p.m.

2 stops31h 55m

San Sebastián

Sun 21/9

5:55 p.m.-9:17 p.m.

3 stops33h 22m

C$ 1,214

MontrealSan Sebastian

YUL - EAS

YULEAS

Montreal Pierre Elliott Trudeau Intl

Sat 13/9

12:31 p.m.-8:50 p.m.

2 stops26h 19m

San Sebastián

Sat 27/9

9:30 p.m.-8:15 p.m.

2 stops28h 45m

C$ 1,608

TorontoSan Sebastian

YYZ - EAS

YYZEAS

Toronto Pearson Intl

Sat 13/9

11:55 p.m.-8:40 a.m.

2 stops50h 45m

C$ 394

TorontoSan Sebastian

YTZ - EAS

YTZEAS

Toronto Island

Wed 27/8

1:00 p.m.-8:30 a.m.

3 stops37h 30m

C$ 685

Flights are sorted by cheapest round-trip flights first.

Deals found on 30/7

Best time to book a flight from Ontario to San Sebastian

Have a flexible travel schedule? Discover the best time to fly to San Sebastian from Ontario 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 Ontario to San Sebastian
No data available for this route at this time. Please check back soon.

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 31 July 2025.
Check out reviews from past customers who have flown with Iberia from Ontario to San Sebastian to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Iberia
7.0
Good
2,859 reviews
Check prices

Comfort

6.7

Overall

7.0

Boarding

7.1

Crew

7.6

Entertainment

6.6

Food

6.3

Reviews

1 / 20
6.0
Good

David,May 2025

JFK - MAD

Unfortunately carry on bag over head was full. I was seated 27J and had to place my carry on by seat 8 .. other then that it was a good flight
Iberia
7.0
Good
2,859 reviews
Iberia
7.0
Good
2,859 reviews
Check prices

Comfort

6.7

Overall

7.0

Boarding

7.1

Crew

7.6

Entertainment

6.6

Food

6.3

Reviews

1 / 20
6.0
Good

David,May 2025

JFK - MAD

Unfortunately carry on bag over head was full. I was seated 27J and had to place my carry on by seat 8 .. other then that it was a good flight

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 airport do you fly into for flights to San Sebastian from Ontario?

    For a flight from Ontario to San Sebastian, you will be flying into San Sebastián. San Sebastián (EAS) is just 15.7 km from the centre of the city.

  • What are the most popular routes from Region of Ontario to San Sebastian?

    When deciding which route to take from Region of Ontario to San Sebastian consider Toronto Pearson Intl - San Sebastián, Toronto Island - San Sebastián or Montreal Pierre Elliott Trudeau Intl - San Sebastián as they are the most popular.

  • 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.

See more FAQs

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

Yes, we can. To see specific flights from Ontario to San Sebastian with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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