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Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to San Sebastian from C$ 532

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 27/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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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.
Iberia Logo
8:40 p.m. - 8:50 p.m.YUL-EAS
18h 10m2 stops
Iberia Logo
9:30 p.m. - 6:45 p.m.EAS-YUL
27h 15m2 stops
C$ 1,352Iberia
Find Deal
Mon, 1 Dec - Mon, 8 Dec
American Airlines Logo
3:45 p.m. - 8:50 p.m.YUL-EAS
23h 05m2 stops
American Airlines Logo
9:20 a.m. - 11:15 p.m.EAS-YUL
19h 55m2 stops
C$ 1,993American Airlines
Find Deal
Sun, 29 Mar - Thu, 2 Apr
American Airlines Logo
7:00 a.m. - 8:50 p.m.YUL-EAS
31h 50m2 stops
American Airlines Logo
9:20 a.m. - 11:15 p.m.EAS-YUL
19h 55m2 stops
C$ 1,995American Airlines
Find Deal
Sun, 29 Mar - Thu, 2 Apr
American Airlines Logo
3:51 p.m. - 8:40 a.m.YUL-EAS
58h 49m2 stops
American Airlines Logo
1:40 p.m. - 3:10 p.m.EAS-YUL
55h 30m2 stops
C$ 2,116American Airlines
Find Deal
Sun, 21 Dec - Sat, 3 Jan
American Airlines Logo
3:51 p.m. - 1:00 p.m.YUL-EAS
39h 09m2 stops
American Airlines Logo
9:30 p.m. - 3:10 p.m.EAS-YUL
47h 40m2 stops
C$ 2,141American Airlines
Find Deal
Sun, 21 Dec - Sat, 3 Jan
American Airlines Logo
3:51 p.m. - 1:00 p.m.YUL-EAS
39h 09m2 stops
American Airlines Logo
9:30 p.m. - 3:10 p.m.EAS-YUL
47h 40m2 stops
C$ 2,206American Airlines
Find Deal
Sun, 21 Dec - Sat, 3 Jan

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
29 Mar
YUL3:45 p.m.Montreal Pierre Elliott Trudeau Intl
23h 05m
2 stops
EAS8:50 p.m.San Sebastián
2 Apr
EAS9:20 a.m.San Sebastián
19h 55m
2 stops
YUL11:15 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 1,993
Find similar
American Airlines
29 Mar
YUL7:00 a.m.Montreal Pierre Elliott Trudeau Intl
31h 50m
2 stops
EAS8:50 p.m.San Sebastián
2 Apr
EAS9:20 a.m.San Sebastián
19h 55m
2 stops
YUL11:15 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 1,995
Find similar
American Airlines
21 Dec
YUL3:51 p.m.Montreal Pierre Elliott Trudeau Intl
58h 49m
2 stops
EAS8:40 a.m.San Sebastián
3 Jan
EAS1:40 p.m.San Sebastián
55h 30m
2 stops
YUL3:10 p.m.Montreal Pierre Elliott Trudeau Intl
C$ 2,116
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 14 October 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

Mon 1/12

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

2 stops18h 10m

San Sebastián

Mon 8/12

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

2 stops27h 15m

C$ 1,352

MontrealSan Sebastian

YUL - EAS

YULEAS

Montreal Pierre Elliott Trudeau Intl

Sun 29/3

3:45 p.m.-8:50 p.m.

2 stops23h 05m

San Sebastián

Thu 2/4

9:20 a.m.-11:15 p.m.

2 stops19h 55m

C$ 1,993

MontrealSan Sebastian

YUL - EAS

YULEAS

Montreal Pierre Elliott Trudeau Intl

Sun 29/3

7:00 a.m.-8:50 p.m.

2 stops31h 50m

San Sebastián

Thu 2/4

9:20 a.m.-11:15 p.m.

2 stops19h 55m

C$ 1,995

MontrealSan Sebastian

YUL - EAS

YULEAS

Montreal Pierre Elliott Trudeau Intl

Sun 21/12

3:51 p.m.-8:40 a.m.

2 stops58h 49m

San Sebastián

Sat 3/1

1:40 p.m.-3:10 p.m.

2 stops55h 30m

C$ 2,116

MontrealSan Sebastian

YUL - EAS

YULEAS

Montreal Pierre Elliott Trudeau Intl

Sun 21/12

3:51 p.m.-1:00 p.m.

2 stops39h 09m

San Sebastián

Sat 3/1

9:30 p.m.-3:10 p.m.

2 stops47h 40m

C$ 2,141

MontrealSan Sebastian

YUL - EAS

YULEAS

Montreal Pierre Elliott Trudeau Intl

Sun 21/12

3:51 p.m.-1:00 p.m.

2 stops39h 09m

San Sebastián

Sat 3/1

9:30 p.m.-3:10 p.m.

2 stops47h 40m

C$ 2,206

MontrealSan Sebastian

YUL - EAS

YULEAS

Montreal Pierre Elliott Trudeau Intl

Thu 27/11

5:10 p.m.-1:30 p.m.

3 stops38h 20m

C$ 532

MontrealSan Sebastian

YUL - EAS

YULEAS

Montreal Pierre Elliott Trudeau Intl

Thu 27/11

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

2 stops35h 20m

C$ 587

MontrealSan Sebastian

YUL - EAS

YULEAS

Montreal Pierre Elliott Trudeau Intl

Thu 27/11

8:05 p.m.-1:30 p.m.

1 stop11h 25m

C$ 601

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to San Sebastian from

How to get the cheapest flight ticket from Montreal Pierre Elliott Trudeau Intl Airport to San Sebastian

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Which airlines fly to San Sebastian?

KLM, Air Canada and Lufthansa are the top three most popular airlines that fly to San Sebastian from Montreal Pierre Elliott Trudeau Intl Airport according to our data. KLM is the first choice among our users, with 52% of people opting to fly with this airline when travelling to San Sebastian. Keep in mind that there are 3 different airlines that fly to San Sebastian on a routine basis, so you have a few additional options to choose from.

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

Direct flights

None
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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  • 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 18h 10m.

  • 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.

Travelling to a place near San Sebastian?

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

Why use momondo?

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.

I’m not ready to book a flight from Montreal to San Sebastian right now. Can momondo alert me if prices change?

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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