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Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to San Sebastian from C$ 1,124

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 10/12. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — EAS
11 Oct — 18 Oct1
1 adult
1 adult, Economy

Cheap flight deals from Pierre Elliott Trudeau Intl to San Sebastian

Discover tips and strategies to find the most affordable flight options for your journey from Pierre Elliott Trudeau Intl (YUL) 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 11 September 2025.

Round-trip from

C$ 1,124
American Airlines
  • American Airlines
  • 10/12-29/12
  • 4 total stops
  • 59h 51m total
  • Montreal to San Sebastian
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Find flight deals from Pierre Elliott Trudeau Intl to San Sebastian

Cheapest flights from Pierre Elliott Trudeau Intl to San Sebastian
Explore the most affordable flight options available from Pierre Elliott Trudeau Intl to San Sebastian. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 September 2025.

Wed 10/127:00 a.m.YUL - EAS
2 stops24h 00mAmerican Airlines
Mon 29/129:20 a.m.EAS - YUL
2 stops35h 51mAmerican Airlines
Deal found 11/9C$ 1,124
Wed 10/127:00 a.m.YUL - EAS
2 stops19h 40mAmerican Airlines
Sun 28/129:20 a.m.EAS - YUL
2 stops36h 04mAmerican Airlines
Deal found 11/9C$ 1,183
Sat 8/117:14 a.m.YUL - EAS
2 stops19h 26mAmerican Airlines
Mon 17/119:30 p.m.EAS - YUL
2 stops27h 15mAmerican Airlines
Deal found 11/9C$ 1,210
Wed 10/127:00 a.m.YUL - EAS
2 stops24h 00mAmerican Airlines
Wed 31/129:20 a.m.EAS - YUL
2 stops35h 51mAmerican Airlines
Deal found 11/9C$ 1,224
Sun 9/118:40 p.m.YUL - EAS
2 stops18h 10mMultiple Airlines
Tue 18/119:30 p.m.EAS - YUL
2 stops27h 15mMultiple Airlines
Deal found 11/9C$ 1,237
Sun 14/128:40 p.m.YUL - EAS
2 stops18h 10mMultiple Airlines
Tue 30/129:30 p.m.EAS - YUL
2 stops27h 15mMultiple Airlines
Deal found 11/9C$ 1,276
Fri 7/118:30 p.m.YUL - EAS
2 stops18h 20mMultiple Airlines
Tue 18/119:30 p.m.EAS - YUL
2 stops27h 15mMultiple Airlines
Deal found 11/9C$ 1,318
Sun 9/117:05 p.m.YUL - EAS
1 stop11h 55mMultiple Airlines
Sun 16/119:20 a.m.EAS - YUL
1 stop12h 20mMultiple Airlines
Deal found 11/9C$ 1,352
Sun 14/127:30 a.m.YUL - EAS
2 stops31h 20mAmerican Airlines
Mon 29/129:20 a.m.EAS - YUL
2 stops35h 51mAmerican Airlines
Deal found 11/9C$ 1,365
Sat 8/118:30 p.m.YUL - EAS
2 stops18h 20mMultiple Airlines
Tue 18/119:30 p.m.EAS - YUL
2 stops27h 15mMultiple Airlines
Deal found 11/9C$ 1,368
Wed 10/127:00 a.m.YUL - EAS
2 stops19h 40mAmerican Airlines
Sat 3/19:30 p.m.EAS - YUL
2 stops46h 16mAmerican Airlines
Deal found 11/9C$ 1,398
Sat 8/117:05 p.m.YUL - EAS
1 stop11h 55mMultiple Airlines
Sun 16/119:20 a.m.EAS - YUL
1 stop12h 20mMultiple Airlines
Deal found 11/9C$ 1,405

Cheapflights Fare Finder

 
Customize your flight search to find flights from Pierre Elliott Trudeau Intl 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 11 September 2025.
Use the filters below to find and compare flights from Montreal Pierre Elliott Trudeau Intl Airport to San Sebastian that are best for you.

Fly from

Pierre Elliott Trudeau Intl

Fly to

San Sebastian

Route

Depart

Return

Price

MontrealSan Sebastian

YUL - EAS

YULEAS

Montreal Pierre Elliott Trudeau Intl

Wed 10/12

7:00 a.m.-1:00 p.m.

2 stops24h 00m

San Sebastián

Tue 30/12

9:20 a.m.-3:24 p.m.

2 stops36h 04m

C$ 1,224

MontrealSan Sebastian

YUL - EAS

YULEAS

Montreal Pierre Elliott Trudeau Intl

Wed 10/12

7:00 a.m.-1:00 p.m.

2 stops24h 00m

San Sebastián

Wed 31/12

9:20 a.m.-3:11 p.m.

2 stops35h 51m

C$ 1,224

MontrealSan Sebastian

YUL - EAS

YULEAS

Montreal Pierre Elliott Trudeau Intl

Sun 14/12

8:40 p.m.-8:50 p.m.

2 stops18h 10m

San Sebastián

Tue 30/12

9:30 p.m.-6:45 p.m.

2 stops27h 15m

C$ 1,276

MontrealSan Sebastian

YUL - EAS

YULEAS

Montreal Pierre Elliott Trudeau Intl

Fri 7/11

8:30 p.m.-8:50 p.m.

2 stops18h 20m

San Sebastián

Tue 18/11

9:30 p.m.-6:45 p.m.

2 stops27h 15m

C$ 1,318

MontrealSan Sebastian

YUL - EAS

YULEAS

Montreal Pierre Elliott Trudeau Intl

Sun 9/11

7:05 p.m.-1:00 p.m.

1 stop11h 55m

San Sebastián

Sun 16/11

9:20 a.m.-3:40 p.m.

1 stop12h 20m

C$ 1,352

MontrealSan Sebastian

YUL - EAS

YULEAS

Montreal Pierre Elliott Trudeau Intl

Sun 14/12

7:30 a.m.-8:50 p.m.

2 stops31h 20m

San Sebastián

Mon 29/12

9:20 a.m.-3:11 p.m.

2 stops35h 51m

C$ 1,365

MontrealSan Sebastian

YUL - EAS

YULEAS

Montreal Pierre Elliott Trudeau Intl

Sun 9/11

7:05 p.m.-1:00 p.m.

1 stop11h 55m

San Sebastián

Sat 15/11

9:30 p.m.-12:00 p.m.

2 stops20h 30m

C$ 1,368

MontrealSan Sebastian

YUL - EAS

YULEAS

Montreal Pierre Elliott Trudeau Intl

Sat 8/11

8:30 p.m.-8:50 p.m.

2 stops18h 20m

San Sebastián

Tue 18/11

9:30 p.m.-6:45 p.m.

2 stops27h 15m

C$ 1,368

MontrealSan Sebastian

YUL - EAS

YULEAS

Montreal Pierre Elliott Trudeau Intl

Wed 10/12

7:00 a.m.-8:40 a.m.

2 stops19h 40m

San Sebastián

Sat 3/1

9:30 p.m.-1:46 p.m.

2 stops46h 16m

C$ 1,398

MontrealSan Sebastian

YUL - EAS

YULEAS

Montreal Pierre Elliott Trudeau Intl

Sat 8/11

7:05 p.m.-1:00 p.m.

1 stop11h 55m

San Sebastián

Sun 16/11

9:20 a.m.-3:40 p.m.

1 stop12h 20m

C$ 1,405

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/9

Showing 1-10 of 12 results
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Best time to book a flight from Pierre Elliott Trudeau Intl to San Sebastian

Have a flexible travel schedule? Discover the best time to fly to San Sebastian from Pierre Elliott Trudeau Intl 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.

Related info for your journey

Find useful and relevant information for your journey from Pierre Elliott Trudeau Intl 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 Montreal Pierre Elliott Trudeau Intl?

    San Sebastián (EAS), located 15.7 km from the city centre, is the airport you fly into when you book flights from Montreal Pierre Elliott Trudeau Intl to San Sebastian. 0 airlines have flights to San Sebastián from Montreal Pierre Elliott Trudeau Intl on a regular basis. Booking flights from Montreal Pierre Elliott Trudeau Intl to San Sebastián should not be difficult; the airport handles an average of 0 inbound flights from Montreal Pierre Elliott Trudeau Intl per day.

  • How long is the flight from Montreal Pierre Elliott Trudeau Intl Airport to San Sebastian?

    Departing from Montreal Pierre Elliott Trudeau Intl Airport to San Sebastian will take you 24h. Montreal Pierre Elliott Trudeau Intl Airport and San Sebastian are separated by a distance of 5518 km.

  • Can I find deals for flights from Pierre Elliott Trudeau Intl to San Sebastian that include hotel bookings?

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

  • How can I find direct flights from Pierre Elliott Trudeau Intl to San Sebastian?

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

  • Can I find deals for business class flights from Pierre Elliott Trudeau Intl to San Sebastian?

    Yes. Cheapflights offers flight deals from Pierre Elliott Trudeau Intl 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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Alternative routes for Pierre Elliott Trudeau Intl to San Sebastian

See prices for flight routes from nearby airports that may be better suited for you.
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