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Cheap flights from Ontario to San Sebastian from C$ 557

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 2/5. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — EAS
14 Mar — 21 Mar1
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 12 February 2026.

Sun 31/511:45 p.m.
YUL
-
EAS
1 stop26h 35m
Multiple Airlines
Fri 19/65:55 p.m.
EAS
-
YUL
1 stop29h 25m
Multiple Airlines
Deal found 11/2C$ 893
Wed 10/68:55 p.m.
YTZ
-
EAS
2 stops14h 30m
Multiple Airlines
Tue 8/98:55 a.m.
EAS
-
YTZ
2 stops29h 00m
Multiple Airlines
Deal found 8/2C$ 974
Wed 10/66:00 p.m.
YYZ
-
EAS
2 stops17h 25m
Multiple Airlines
Tue 8/98:55 a.m.
EAS
-
YYZ
2 stops19h 05m
Multiple Airlines
Deal found 8/2C$ 994
Thu 26/210:44 a.m.
YYZ
-
EAS
2 stops20h 16m
Iberia
Mon 2/39:30 p.m.
EAS
-
YYZ
2 stops29h 59m
Iberia
Deal found 8/2C$ 1,133
Wed 24/611:00 a.m.
YYZ
-
EAS
2 stops20h 00m
Multiple Airlines
Sat 26/99:30 p.m.
EAS
-
YYZ
1 stop23h 30m
Multiple Airlines
Deal found 8/2C$ 1,142
Sat 13/65:10 p.m.
YYZ
-
EAS
1 stop13h 50m
American Airlines
Wed 9/99:20 a.m.
EAS
-
YYZ
1 stop11h 40m
American Airlines
Deal found 8/2C$ 1,157
Wed 24/611:00 a.m.
YYZ
-
EAS
2 stops20h 00m
Multiple Airlines
Fri 25/99:30 p.m.
EAS
-
YYZ
1 stop23h 30m
Multiple Airlines
Deal found 8/2C$ 1,161
Sat 20/63:18 p.m.
YYZ
-
EAS
2 stops35h 22m
American Airlines
Mon 21/99:20 a.m.
EAS
-
YYZ
1 stop11h 40m
American Airlines
Deal found 8/2C$ 1,171
Sat 13/65:10 p.m.
YYZ
-
EAS
1 stop13h 50m
American Airlines
Tue 8/91:40 p.m.
EAS
-
YYZ
1 stop31h 20m
American Airlines
Deal found 8/2C$ 1,172
Sun 7/63:24 p.m.
YYZ
-
EAS
2 stops39h 36m
American Airlines
Wed 9/99:20 a.m.
EAS
-
YYZ
1 stop11h 40m
American Airlines
Deal found 8/2C$ 1,176
Sun 21/611:39 a.m.
YYZ
-
EAS
2 stops39h 01m
American Airlines
Wed 23/99:20 a.m.
EAS
-
YYZ
1 stop11h 40m
American Airlines
Deal found 8/2C$ 1,184
Mon 8/66:15 p.m.
YYZ
-
EAS
2 stops12h 45m
Multiple Airlines
Sun 6/99:30 p.m.
EAS
-
YYZ
1 stop23h 30m
Multiple Airlines
Deal found 8/2C$ 1,185

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 12 February 2026.

Round-trip from

C$ 974

One-way from

C$ 557
10/6-8/9
  • 10/6-8/9
  • 4 total stops
  • 43h 30m total
  • Ontario to San Sebastian
Search Deals
2/5
  • 2/5
  • 2 total stops
  • 26h 25m 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 12 February 2026.
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 31/5

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

1 stop26h 35m

San Sebastián

Fri 19/6

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

1 stop29h 25m

C$ 893

TorontoSan Sebastian

YTZ - EAS

YTZEAS

Toronto Island

Wed 10/6

8:55 p.m.-5:25 p.m.

2 stops14h 30m

San Sebastián

Tue 8/9

8:55 a.m.-7:55 a.m.

2 stops29h 00m

C$ 974

TorontoSan Sebastian

YYZ - EAS

YYZEAS

Toronto Pearson Intl

Thu 26/2

10:44 a.m.-1:00 p.m.

2 stops20h 16m

San Sebastián

Mon 2/3

9:30 p.m.-9:29 p.m.

2 stops29h 59m

C$ 1,133

TorontoSan Sebastian

YYZ - EAS

YYZEAS

Toronto Pearson Intl

Mon 27/4

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

2 stops14h 45m

San Sebastián

Fri 8/5

9:20 a.m.-9:44 p.m.

2 stops18h 24m

C$ 1,162

TorontoSan Sebastian

YYZ - EAS

YYZEAS

Toronto Pearson Intl

Sun 7/6

3:24 p.m.-1:00 p.m.

2 stops39h 36m

San Sebastián

Wed 2/9

9:20 a.m.-3:00 p.m.

1 stop11h 40m

C$ 1,176

TorontoSan Sebastian

YYZ - EAS

YYZEAS

Toronto Pearson Intl

Sun 7/6

3:24 p.m.-1:00 p.m.

2 stops39h 36m

San Sebastián

Wed 9/9

9:20 a.m.-3:00 p.m.

1 stop11h 40m

C$ 1,176

TorontoSan Sebastian

YYZ - EAS

YYZEAS

Toronto Pearson Intl

Sun 7/6

6:00 a.m.-8:40 a.m.

2 stops20h 40m

San Sebastián

Tue 8/9

1:40 p.m.-3:00 p.m.

1 stop31h 20m

C$ 1,191

TorontoSan Sebastian

YYZ - EAS

YYZEAS

Toronto Pearson Intl

Thu 11/6

7:25 p.m.-8:40 a.m.

2 stops31h 15m

San Sebastián

Mon 7/9

9:20 a.m.-3:00 p.m.

1 stop11h 40m

C$ 1,196

TorontoSan Sebastian

YYZ - EAS

YYZEAS

Toronto Pearson Intl

Sat 13/6

5:10 p.m.-1:00 p.m.

1 stop13h 50m

San Sebastián

Tue 8/9

9:20 a.m.-4:34 p.m.

2 stops37h 14m

C$ 1,196

TorontoSan Sebastian

YYZ - EAS

YYZEAS

Toronto Pearson Intl

Sat 20/6

5:10 p.m.-1:00 p.m.

1 stop13h 50m

San Sebastián

Mon 21/9

9:20 a.m.-3:00 p.m.

1 stop11h 40m

C$ 1,198

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/2

Showing 1-10 of 19 results
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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?

    Iberia and American Airlines can get you from Region of Ontario to San Sebastian in just under 14h 45m. Your travel time can differ by up to 5h 31m. The distance between Region of Ontario and San Sebastian is about 6022 km. This flight may include one or multiple stops.

  • 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, Montreal Pierre Elliott Trudeau 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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