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Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to San Sebastian from C$ 460

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Montreal Pierre Elliott Trudeau Intl Airport to San Sebastian departing on 22/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Montreal Pierre Elliott Trudeau Intl Airport to San Sebastian

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
11:45 p.m. - 8:20 a.m.YUL  Montreal Pierre Elliott Trudeau Intl-EAS San Sebastián
26h 35m1 stop Barcelona-El Prat
Multiple Airlines Logo
8:55 a.m. - 5:20 p.m.EAS  San Sebastián-YUL Montreal Pierre Elliott Trudeau Intl
14h 25m1 stop Barcelona-El Prat
C$ 961Multiple Airlines
Sat, 26 Sep - Mon, 5 Oct
Multiple Airlines Logo
10:30 a.m. - 8:40 a.m.YUL  Montreal Pierre Elliott Trudeau Intl-EAS San Sebastián
16h 10m2 stops New York LaGuardia Madrid Barajas
Multiple Airlines Logo
9:30 p.m. - 9:52 a.m.EAS  San Sebastián-YUL Montreal Pierre Elliott Trudeau Intl
42h 22m2 stops Madrid Barajas New York John F Kennedy Intl
C$ 1,099Multiple Airlines
Sat, 26 Sep - Mon, 5 Oct
Multiple Airlines Logo
10:30 a.m. - 8:40 a.m.YUL  Montreal Pierre Elliott Trudeau Intl-EAS San Sebastián
16h 10m2 stops New York LaGuardia Madrid Barajas
Multiple Airlines Logo
9:30 p.m. - 9:52 a.m.EAS  San Sebastián-YUL Montreal Pierre Elliott Trudeau Intl
42h 22m2 stops Madrid Barajas New York John F Kennedy Intl
C$ 1,102Multiple Airlines
Sat, 26 Sep - Mon, 5 Oct
Multiple Airlines Logo
10:30 a.m. - 8:40 a.m.YUL  Montreal Pierre Elliott Trudeau Intl-EAS San Sebastián
16h 10m2 stops New York LaGuardia Madrid Barajas
Multiple Airlines Logo
9:30 p.m. - 9:52 a.m.EAS  San Sebastián-YUL Montreal Pierre Elliott Trudeau Intl
42h 22m2 stops Madrid Barajas New York John F Kennedy Intl
C$ 1,103Multiple Airlines
Sat, 26 Sep - Mon, 5 Oct
British Airways Logo
9:15 p.m. - 8:50 p.m.YUL  Montreal Pierre Elliott Trudeau Intl-EAS San Sebastián
17h 35m2 stops London Heathrow Madrid Barajas
British Airways Logo
9:30 p.m. - 7:15 p.m.EAS  San Sebastián-YUL Montreal Pierre Elliott Trudeau Intl
51h 45m2 stops Madrid Barajas London Heathrow
C$ 1,107British Airways
Mon, 16 Nov - Fri, 20 Nov
British Airways Logo
9:15 p.m. - 8:50 p.m.YUL  Montreal Pierre Elliott Trudeau Intl-EAS San Sebastián
17h 35m2 stops London Heathrow Madrid Barajas
British Airways Logo
9:30 p.m. - 7:15 p.m.EAS  San Sebastián-YUL Montreal Pierre Elliott Trudeau Intl
51h 45m2 stops Madrid Barajas London Heathrow
C$ 1,110British Airways
Mon, 16 Nov - Fri, 20 Nov
British Airways Logo
9:15 p.m. - 8:50 p.m.YUL  Montreal Pierre Elliott Trudeau Intl-EAS San Sebastián
17h 35m2 stops London Heathrow Madrid Barajas
British Airways Logo
9:30 p.m. - 7:15 p.m.EAS  San Sebastián-YUL Montreal Pierre Elliott Trudeau Intl
51h 45m2 stops Madrid Barajas London Heathrow
C$ 1,111British Airways
Mon, 16 Nov - Fri, 20 Nov
British Airways Logo
10:00 p.m. - 4:10 p.m.YUL  Montreal Pierre Elliott Trudeau Intl-EAS San Sebastián
12h 10m1 stop London Heathrow
British Airways Logo
9:30 p.m. - 9:52 a.m.EAS  San Sebastián-YUL Montreal Pierre Elliott Trudeau Intl
42h 22m2 stops Madrid Barajas New York John F Kennedy Intl
C$ 1,130British Airways
Sat, 26 Sep - Mon, 5 Oct
British Airways Logo
10:00 p.m. - 4:10 p.m.YUL  Montreal Pierre Elliott Trudeau Intl-EAS San Sebastián
12h 10m1 stop London Heathrow
British Airways Logo
9:30 p.m. - 9:52 a.m.EAS  San Sebastián-YUL Montreal Pierre Elliott Trudeau Intl
42h 22m2 stops Madrid Barajas New York John F Kennedy Intl
C$ 1,135British Airways
Sat, 26 Sep - Mon, 5 Oct
British Airways Logo
10:00 p.m. - 4:10 p.m.YUL  Montreal Pierre Elliott Trudeau Intl-EAS San Sebastián
12h 10m1 stop London Heathrow
British Airways Logo
1:15 p.m. - 8:15 p.m.EAS  San Sebastián-YUL Montreal Pierre Elliott Trudeau Intl
13h 00m1 stop London City
C$ 1,201British Airways
Sat, 26 Sep - Mon, 5 Oct

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British Airways flights from Montreal Pierre Elliott Trudeau Intl Airport to San Sebastian

Our best British Airways deals on Montreal Pierre Elliott Trudeau Intl Airport to San Sebastian flight tickets
British Airways
16 Nov
YUL9:15 p.m.Montreal Pierre Elliott Trudeau Intl
17h 35m
2 stops
EAS8:50 p.m.San Sebastián
20 Nov
EAS9:30 p.m.San Sebastián
51h 45m
2 stops
YUL7:15 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 1,107
British Airways
16 Nov
YUL9:15 p.m.Montreal Pierre Elliott Trudeau Intl
17h 35m
2 stops
EAS8:50 p.m.San Sebastián
20 Nov
EAS9:30 p.m.San Sebastián
51h 45m
2 stops
YUL7:15 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 1,110
British Airways
16 Nov
YUL9:15 p.m.Montreal Pierre Elliott Trudeau Intl
17h 35m
2 stops
EAS8:50 p.m.San Sebastián
20 Nov
EAS9:30 p.m.San Sebastián
51h 45m
2 stops
YUL7:15 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 1,111

American Airlines flights from Montreal Pierre Elliott Trudeau Intl Airport to San Sebastian

Our best American Airlines deals on Montreal Pierre Elliott Trudeau Intl Airport to San Sebastian flight tickets
American Airlines
24 Aug
YUL2:30 p.m.Montreal Pierre Elliott Trudeau Intl
36h 10m
2 stops
EAS8:40 a.m.San Sebastián
3 Sep
EAS9:20 a.m.San Sebastián
20h 06m
2 stops
YUL11:26 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 1,301
American Airlines
24 Aug
YUL7:29 a.m.Montreal Pierre Elliott Trudeau Intl
19h 11m
2 stops
EAS8:40 a.m.San Sebastián
5 Sep
EAS5:40 p.m.San Sebastián
34h 04m
2 stops
YUL9:44 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 1,318
American Airlines
24 Aug
YUL7:29 a.m.Montreal Pierre Elliott Trudeau Intl
19h 11m
2 stops
EAS8:40 a.m.San Sebastián
1 Sep
EAS1:40 p.m.San Sebastián
39h 46m
2 stops
YUL11:26 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 1,336

momondo Fare Finder

 
Customize your flight search to find flights from Montreal Pierre Elliott Trudeau Intl Airport 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, momondo users made 96,600 searches. Data last updated 11 August 2026.
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

Fly to

Route

Depart

Return

Price

Cheapest round-trip

MontrealSan Sebastian

YUL Montreal Pierre Elliott Trudeau Intl - EAS San Sebastián

YULEAS

Montreal Pierre Elliott Trudeau Intl

Sat 26/9

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

1 stop26h 35m

San Sebastián

Mon 5/10

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

1 stop14h 25m

C$ 961

MontrealSan Sebastian

YUL Montreal Pierre Elliott Trudeau Intl - EAS San Sebastián

YULEAS

Montreal Pierre Elliott Trudeau Intl

Sat 26/9

10:30 a.m.-8:40 a.m.

2 stops16h 10m

San Sebastián

Mon 5/10

9:30 p.m.-9:52 a.m.

2 stops42h 22m

C$ 1,099

MontrealSan Sebastian

YUL Montreal Pierre Elliott Trudeau Intl - EAS San Sebastián

YULEAS

Montreal Pierre Elliott Trudeau Intl

Sat 26/9

10:30 a.m.-8:40 a.m.

2 stops16h 10m

San Sebastián

Mon 5/10

9:30 p.m.-9:52 a.m.

2 stops42h 22m

C$ 1,102

MontrealSan Sebastian

YUL Montreal Pierre Elliott Trudeau Intl - EAS San Sebastián

YULEAS

Montreal Pierre Elliott Trudeau Intl

Sat 26/9

10:30 a.m.-8:40 a.m.

2 stops16h 10m

San Sebastián

Mon 5/10

9:30 p.m.-9:52 a.m.

2 stops42h 22m

C$ 1,103

MontrealSan Sebastian

YUL Montreal Pierre Elliott Trudeau Intl - EAS San Sebastián

YULEAS

Montreal Pierre Elliott Trudeau Intl

Mon 16/11

9:15 p.m.-8:50 p.m.

2 stops17h 35m

San Sebastián

Fri 20/11

9:30 p.m.-7:15 p.m.

2 stops51h 45m

C$ 1,107

MontrealSan Sebastian

YUL Montreal Pierre Elliott Trudeau Intl - EAS San Sebastián

YULEAS

Montreal Pierre Elliott Trudeau Intl

Mon 16/11

9:15 p.m.-8:50 p.m.

2 stops17h 35m

San Sebastián

Fri 20/11

9:30 p.m.-7:15 p.m.

2 stops51h 45m

C$ 1,110

MontrealSan Sebastian

YUL Montreal Pierre Elliott Trudeau Intl - EAS San Sebastián

YULEAS

Montreal Pierre Elliott Trudeau Intl

Mon 16/11

9:15 p.m.-8:50 p.m.

2 stops17h 35m

San Sebastián

Fri 20/11

9:30 p.m.-7:15 p.m.

2 stops51h 45m

C$ 1,111

MontrealSan Sebastian

YUL Montreal Pierre Elliott Trudeau Intl - EAS San Sebastián

YULEAS

Montreal Pierre Elliott Trudeau Intl

Sat 26/9

10:00 p.m.-4:10 p.m.

1 stop12h 10m

San Sebastián

Mon 5/10

9:30 p.m.-9:52 a.m.

2 stops42h 22m

C$ 1,130

MontrealSan Sebastian

YUL Montreal Pierre Elliott Trudeau Intl - EAS San Sebastián

YULEAS

Montreal Pierre Elliott Trudeau Intl

Sat 26/9

10:00 p.m.-4:10 p.m.

1 stop12h 10m

San Sebastián

Mon 5/10

9:30 p.m.-9:52 a.m.

2 stops42h 22m

C$ 1,135
Quickest round-trip

MontrealSan Sebastian

YUL Montreal Pierre Elliott Trudeau Intl - EAS San Sebastián

YULEAS

Montreal Pierre Elliott Trudeau Intl

Sat 26/9

10:00 p.m.-4:10 p.m.

1 stop12h 10m

San Sebastián

Mon 5/10

1:15 p.m.-8:15 p.m.

1 stop13h 00m

C$ 1,201

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 19 resultsSorted by cheapest first
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When to book flights from Montreal Pierre Elliott Trudeau Intl Airport to San Sebastian

Are you open to changing your travel dates? Check out the ideal times to fly from Montreal Pierre Elliott Trudeau Intl Airport to San Sebastian according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Montreal Pierre Elliott Trudeau Intl Airport to San Sebastian (YUL to EAS) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Montreal Pierre Elliott Trudeau Intl Airport to San Sebastian

Fastest flight time

17h 35m

Direct flights

None
The fastest flight from Montreal Pierre Elliott Trudeau Intl Airport to San Sebastian takes 17h 35m
There are no direct flights from Montreal Pierre Elliott Trudeau Intl Airport to San Sebastian. There are no popular flight routes from Montreal Pierre Elliott Trudeau Intl Airport to San Sebastian.
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Frequently asked questions about flying from Montreal Pierre Elliott Trudeau Intl Airport to San Sebastian

  • How far is Montreal Pierre Elliott Trudeau Intl to San Sebastián by plane?

    The distance between Montreal Pierre Elliott Trudeau Intl and San Sebastián is about 5507.7 km. A reasonable flight in good conditions will take 17h 35m.

  • When did momondo last update prices for flights from Montreal Pierre Elliott Trudeau Intl Airport to San Sebastián Airport?

    Prices for flights from Montreal Pierre Elliott Trudeau Intl Airport to San Sebastián Airport are refreshed on a daily basis.

  • How old do you have to be to fly from Montreal Pierre Elliott Trudeau Intl Airport to San Sebastián Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Montreal Pierre Elliott Trudeau Intl Airport to San Sebastián Airport.

  • What documentation or ID do you need to fly to San Sebastián Airport?

    The required travel and health documents for your San Sebastián Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at San Sebastián Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Frequently asked questions about flying from Montreal Pierre Elliott Trudeau Intl Airport to San Sebastian

  • How do I get Price Alerts for flights from Montreal Pierre Elliott Trudeau Intl Airport to San Sebastian?

    Search flight deals from Montreal Pierre Elliott Trudeau Intl Airport to San Sebastian. While viewing offers you’ll have the option to create a Price Alert.

  • How can I save money on flights from Montreal Pierre Elliott Trudeau Intl Airport to San Sebastian with momondo?

    Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.

  • How does momondo find its flight prices?

    We aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

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Why should I use momondo to find a flight deal from Montreal to San Sebastian?

It is quick and easy to find Montreal to San Sebastian flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to San Sebastian that suits you.

Can I find flights from Montreal to San Sebastian with flexible booking policies on momondo?

momondo does allow users to show only those flights to San Sebastian from Montreal which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Montreal to San Sebastian?

momondo provides multiple filters to help you find the best flight to San Sebastian from Montreal. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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Of course. momondo tracks the price of Montreal to San Sebastian flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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