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Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to San Sebastian from C$ 1,048

This is the cheapest round-trip 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 25/1. 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

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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
9:40 p.m. - 1:30 p.m.
YUL
-
EAS
33h 50m2 stops
Multiple Airlines Logo
9:20 a.m. - 2:35 p.m.
EAS
-
YUL
11h 15m1 stop
C$ 1,048Multiple Airlines
Sun, 25 Jan - Thu, 19 Feb
American Airlines Logo
8:40 p.m. - 8:40 a.m.
YUL
-
EAS
30h 00m2 stops
American Airlines Logo
9:20 a.m. - 11:24 p.m.
EAS
-
YUL
20h 04m2 stops
C$ 1,089American Airlines
Tue, 27 Jan - Thu, 19 Feb
American Airlines Logo
2:25 p.m. - 8:40 a.m.
YUL
-
EAS
36h 15m2 stops
American Airlines Logo
9:20 a.m. - 12:23 p.m.
EAS
-
YUL
33h 03m2 stops
C$ 1,095American Airlines
Sat, 24 Jan - Wed, 18 Feb
Multiple Airlines Logo
8:10 p.m. - 1:30 p.m.
YUL
-
EAS
35h 20m2 stops
Multiple Airlines Logo
9:20 a.m. - 2:35 p.m.
EAS
-
YUL
11h 15m1 stop
C$ 1,102Multiple Airlines
Mon, 26 Jan - Thu, 19 Feb
American Airlines Logo
8:40 p.m. - 8:40 a.m.
YUL
-
EAS
30h 00m2 stops
American Airlines Logo
1:40 p.m. - 12:23 p.m.
EAS
-
YUL
52h 43m2 stops
C$ 1,104American Airlines
Tue, 27 Jan - Sun, 15 Feb
American Airlines Logo
2:25 p.m. - 8:40 a.m.
YUL
-
EAS
36h 15m2 stops
American Airlines Logo
1:40 p.m. - 10:59 p.m.
EAS
-
YUL
39h 19m2 stops
C$ 1,109American Airlines
Sat, 24 Jan - Sun, 15 Feb
Multiple Airlines Logo
9:40 p.m. - 8:50 p.m.
YUL
-
EAS
17h 10m2 stops
Multiple Airlines Logo
9:30 p.m. - 2:35 p.m.
EAS
-
YUL
23h 05m1 stop
C$ 1,130Multiple Airlines
Wed, 28 Jan - Wed, 18 Feb
Multiple Airlines Logo
9:40 p.m. - 8:50 p.m.
YUL
-
EAS
17h 10m2 stops
Multiple Airlines Logo
9:20 a.m. - 2:35 p.m.
EAS
-
YUL
11h 15m1 stop
C$ 1,143Multiple Airlines
Fri, 23 Jan - Thu, 19 Feb
American Airlines Logo
8:30 p.m. - 8:40 a.m.
YUL
-
EAS
30h 10m2 stops
American Airlines Logo
9:20 a.m. - 10:44 p.m.
EAS
-
YUL
19h 24m2 stops
C$ 1,149American Airlines
Fri, 23 Jan - Thu, 19 Feb
Multiple Airlines Logo
9:40 p.m. - 8:50 p.m.
YUL
-
EAS
17h 10m2 stops
Multiple Airlines Logo
9:20 a.m. - 2:35 p.m.
EAS
-
YUL
11h 15m1 stop
C$ 1,150Multiple Airlines
Wed, 28 Jan - Thu, 19 Feb

Iberia flights from Montreal Pierre Elliott Trudeau Intl Airport to San Sebastian

Our best Iberia deals on Montreal Pierre Elliott Trudeau Intl Airport to San Sebastian flight tickets
Iberia
23 Feb
YUL8:40 p.m.Montreal Pierre Elliott Trudeau Intl
30h 00m
2 stops
EAS8:40 a.m.San Sebastián
26 Feb
EAS9:20 a.m.San Sebastián
15h 25m
2 stops
YUL6:45 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 2,234
Find similar
Iberia
23 Feb
YUL8:40 p.m.Montreal Pierre Elliott Trudeau Intl
30h 00m
2 stops
EAS8:40 a.m.San Sebastián
26 Feb
EAS9:20 a.m.San Sebastián
15h 25m
2 stops
YUL6:45 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 2,279
Find similar

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
27 Jan
YUL8:40 p.m.Montreal Pierre Elliott Trudeau Intl
30h 00m
2 stops
EAS8:40 a.m.San Sebastián
19 Feb
EAS9:20 a.m.San Sebastián
20h 04m
2 stops
YUL11:24 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 1,089
Find similar
American Airlines
24 Jan
YUL2:25 p.m.Montreal Pierre Elliott Trudeau Intl
36h 15m
2 stops
EAS8:40 a.m.San Sebastián
18 Feb
EAS9:20 a.m.San Sebastián
33h 03m
2 stops
YUL12:23 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 1,095
Find similar
American Airlines
27 Jan
YUL8:40 p.m.Montreal Pierre Elliott Trudeau Intl
30h 00m
2 stops
EAS8:40 a.m.San Sebastián
15 Feb
EAS1:40 p.m.San Sebastián
52h 43m
2 stops
YUL12:23 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 1,104
Find similar

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 4 December 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

Fly to

Route

Depart

Return

Price

MontrealSan Sebastian

YUL - EAS

YULEAS

Montreal Pierre Elliott Trudeau Intl

Sun 25/1

9:40 p.m.-1:30 p.m.

2 stops33h 50m

San Sebastián

Thu 19/2

9:20 a.m.-2:35 p.m.

1 stop11h 15m

C$ 1,048

MontrealSan Sebastian

YUL - EAS

YULEAS

Montreal Pierre Elliott Trudeau Intl

Tue 27/1

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

2 stops30h 00m

San Sebastián

Thu 19/2

9:20 a.m.-11:24 p.m.

2 stops20h 04m

C$ 1,089

MontrealSan Sebastian

YUL - EAS

YULEAS

Montreal Pierre Elliott Trudeau Intl

Sat 24/1

2:25 p.m.-8:40 a.m.

2 stops36h 15m

San Sebastián

Wed 18/2

9:20 a.m.-12:23 p.m.

2 stops33h 03m

C$ 1,095

MontrealSan Sebastian

YUL - EAS

YULEAS

Montreal Pierre Elliott Trudeau Intl

Mon 26/1

8:10 p.m.-1:30 p.m.

2 stops35h 20m

San Sebastián

Thu 19/2

9:20 a.m.-2:35 p.m.

1 stop11h 15m

C$ 1,102

MontrealSan Sebastian

YUL - EAS

YULEAS

Montreal Pierre Elliott Trudeau Intl

Tue 27/1

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

2 stops30h 00m

San Sebastián

Sun 15/2

1:40 p.m.-12:23 p.m.

2 stops52h 43m

C$ 1,104

MontrealSan Sebastian

YUL - EAS

YULEAS

Montreal Pierre Elliott Trudeau Intl

Sat 24/1

2:25 p.m.-8:40 a.m.

2 stops36h 15m

San Sebastián

Sun 15/2

1:40 p.m.-10:59 p.m.

2 stops39h 19m

C$ 1,109

MontrealSan Sebastian

YUL - EAS

YULEAS

Montreal Pierre Elliott Trudeau Intl

Wed 28/1

9:40 p.m.-8:50 p.m.

2 stops17h 10m

San Sebastián

Wed 18/2

9:30 p.m.-2:35 p.m.

1 stop23h 05m

C$ 1,130

MontrealSan Sebastian

YUL - EAS

YULEAS

Montreal Pierre Elliott Trudeau Intl

Fri 23/1

9:40 p.m.-8:50 p.m.

2 stops17h 10m

San Sebastián

Thu 19/2

9:20 a.m.-2:35 p.m.

1 stop11h 15m

C$ 1,143

MontrealSan Sebastian

YUL - EAS

YULEAS

Montreal Pierre Elliott Trudeau Intl

Fri 23/1

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

2 stops30h 10m

San Sebastián

Thu 19/2

9:20 a.m.-10:44 p.m.

2 stops19h 24m

C$ 1,149

MontrealSan Sebastian

YUL - EAS

YULEAS

Montreal Pierre Elliott Trudeau Intl

Wed 28/1

9:40 p.m.-8:50 p.m.

2 stops17h 10m

San Sebastián

Thu 19/2

9:20 a.m.-2:35 p.m.

1 stop11h 15m

C$ 1,150

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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

30h 00m

Direct flights

None
The fastest flight from Montreal Pierre Elliott Trudeau Intl Airport to San Sebastian takes 30h 00m
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.
Search flight deals

  • 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 11h 30m.

  • 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.

  • 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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