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Cheap flights from Ontario to San Sebastian from C$ 477

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 10/5. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — EAS
30 Apr — 7 May1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ontario to San Sebastian

Enter your travel dates to find the best prices.

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 March 2026.

Mon 27/411:00 p.m.
YUL
-
EAS
2 stops27h 20m
Multiple Airlines
Mon 4/55:55 p.m.
EAS
-
YUL
3 stops32h 35m
Multiple Airlines
Deal found 29/3C$ 1,177
Wed 13/510:45 p.m.
YYZ
-
EAS
2 stops27h 35m
Multiple Airlines
Wed 20/55:55 p.m.
EAS
-
YYZ
2 stops28h 30m
Multiple Airlines
Deal found 29/3C$ 1,195
Wed 13/55:00 p.m.
YTZ
-
EAS
3 stops33h 20m
Multiple Airlines
Wed 20/55:55 p.m.
EAS
-
YTZ
3 stops32h 20m
Multiple Airlines
Deal found 29/3C$ 1,205
Mon 10/811:45 p.m.
YUL
-
EAS
1 stop11h 35m
Multiple Airlines
Wed 26/85:55 p.m.
EAS
-
YUL
1 stop29h 25m
Multiple Airlines
Deal found 29/3C$ 1,265
Sat 13/611:45 p.m.
YUL
-
EAS
1 stop26h 35m
Multiple Airlines
Sat 20/68:55 a.m.
EAS
-
YUL
1 stop14h 25m
Multiple Airlines
Deal found 26/3C$ 1,295
Sat 5/911:45 p.m.
YUL
-
EAS
1 stop26h 35m
Multiple Airlines
Sat 19/98:55 a.m.
EAS
-
YUL
1 stop14h 25m
Multiple Airlines
Deal found 28/3C$ 1,297
Sat 25/41:20 p.m.
YYZ
-
EAS
3 stops37h 00m
Multiple Airlines
Fri 1/55:55 p.m.
EAS
-
YYZ
3 stops29h 20m
Multiple Airlines
Deal found 28/3C$ 1,298
Sat 5/122:29 p.m.
YUL
-
EAS
2 stops36h 11m
British Airways
Sun 13/129:30 p.m.
EAS
-
YUL
2 stops27h 15m
British Airways
Deal found 27/3C$ 1,309
Tue 18/84:55 p.m.
YTZ
-
EAS
2 stops18h 25m
Multiple Airlines
Wed 2/98:55 a.m.
EAS
-
YTZ
2 stops19h 25m
Multiple Airlines
Deal found 30/3C$ 1,341
Tue 8/95:35 p.m.
YYZ
-
EAS
2 stops17h 45m
Multiple Airlines
Sun 20/98:55 a.m.
EAS
-
YYZ
2 stops36h 20m
Multiple Airlines
Deal found 27/3C$ 1,344
Tue 18/87:10 p.m.
YYZ
-
EAS
2 stops16h 10m
Multiple Airlines
Wed 2/98:55 a.m.
EAS
-
YYZ
2 stops19h 05m
Multiple Airlines
Deal found 30/3C$ 1,355
Sun 5/711:40 p.m.
YUL
-
EAS
1 stop15h 10m
Multiple Airlines
Fri 17/79:20 a.m.
EAS
-
YUL
1 stop12h 45m
Multiple Airlines
Deal found 29/3C$ 1,416

Find 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 March 2026.

Round-trip from

C$ 1,177

One-way from

C$ 477
27/4-4/5
  • 27/4-4/5
  • 5 total stops
  • 59h 55m total
  • Ontario to San Sebastian
Search Deals
10/5
  • 10/5
  • 2 total stops
  • 27h 20m total
  • Ontario to San Sebastian
Search Deals

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 March 2026.
Use the filters below to find and compare flights from Ontario to San Sebastian that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

TorontoSan Sebastian

YYZ - EAS

YYZEAS

Toronto Pearson Intl

Wed 13/5

10:45 p.m.-8:20 a.m.

2 stops27h 35m

San Sebastián

Wed 20/5

5:55 p.m.-4:25 p.m.

2 stops28h 30m

C$ 1,195

MontrealSan Sebastian

YUL - EAS

YULEAS

Montreal Pierre Elliott Trudeau Intl

Mon 27/4

11:00 p.m.-8:20 a.m.

2 stops27h 20m

San Sebastián

Mon 4/5

5:55 p.m.-2:00 p.m.

2 stops26h 05m

C$ 1,217

MontrealSan Sebastian

YUL - EAS

YULEAS

Montreal Pierre Elliott Trudeau Intl

Sat 13/6

11:00 p.m.-8:20 a.m.

2 stops27h 20m

San Sebastián

Sat 20/6

8:55 a.m.-9:00 p.m.

2 stops18h 05m

C$ 1,253

MontrealSan Sebastian

YUL - EAS

YULEAS

Montreal Pierre Elliott Trudeau Intl

Mon 10/8

11:45 p.m.-5:20 p.m.

1 stop11h 35m

San Sebastián

Wed 26/8

5:55 p.m.-5:20 p.m.

1 stop29h 25m

C$ 1,265

MontrealSan Sebastian

YUL - EAS

YULEAS

Montreal Pierre Elliott Trudeau Intl

Sat 5/9

11:45 p.m.-8:20 a.m.

1 stop26h 35m

San Sebastián

Sat 19/9

8:55 a.m.-5:20 p.m.

1 stop14h 25m

C$ 1,297

TorontoSan Sebastian

YTZ - EAS

YTZEAS

Toronto Island

Tue 18/8

4:55 p.m.-5:20 p.m.

2 stops18h 25m

San Sebastián

Wed 2/9

8:55 a.m.-10:20 p.m.

2 stops19h 25m

C$ 1,341

TorontoSan Sebastian

YTZ - EAS

YTZEAS

Toronto Island

Wed 13/5

6:55 p.m.-5:25 p.m.

2 stops16h 30m

San Sebastián

Wed 20/5

8:55 a.m.-10:20 p.m.

2 stops19h 25m

C$ 1,349

TorontoSan Sebastian

YYZ - EAS

YYZEAS

Toronto Pearson Intl

Tue 18/8

7:10 p.m.-5:20 p.m.

2 stops16h 10m

San Sebastián

Wed 2/9

8:55 a.m.-10:00 p.m.

2 stops19h 05m

C$ 1,355

TorontoSan Sebastian

YYZ - EAS

YYZEAS

Toronto Pearson Intl

Sat 25/4

10:39 a.m.-8:40 a.m.

2 stops16h 01m

San Sebastián

Fri 1/5

9:30 p.m.-9:34 p.m.

2 stops30h 04m

C$ 1,420

TorontoSan Sebastian

YYZ - EAS

YYZEAS

Toronto Pearson Intl

Fri 1/5

10:39 a.m.-1:00 p.m.

2 stops20h 21m

San Sebastián

Sun 10/5

9:20 a.m.-11:29 p.m.

2 stops20h 09m

C$ 1,459

Flights are sorted by cheapest round-trip flights first.

Deals found on 26/3

Showing 1-10 of 27 resultsSorted by cheapest first
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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.

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.

  • How long is the flight from Region of Ontario to San Sebastian?

    British Airways can get you from Region of Ontario to San Sebastian in just under 16h 01m. Your travel time can differ by up to . The distance between Region of Ontario and San Sebastian is about 6022 km.

  • 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 Montreal Pierre Elliott Trudeau Intl - San Sebastián, Toronto Pearson Intl - San Sebastián or Toronto Island - 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

Travelling to a place near San Sebastian?

Book flights to San Sebastian if you plan to visit one of these locations
Hondarribia

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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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