Find flights
When to book
FAQs

Cheap flights from Montreal to San Sebastian from C$ 1,123

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 19/4. Fares are subject to change and may not be available on all flights or dates of travel.
YMQ — EAS
5 Dec — 12 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Montreal to San Sebastian

Discover tips and strategies to find the most affordable flight options for your journey from Montreal (YMQ) 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 5 November 2025.

Round-trip from

C$ 1,056
19/4-25/4
  • 19/4-25/4
  • 4 total stops
  • 50h 05m total
  • Montreal to San Sebastian
Search Deals

Find flight deals from Montreal to San Sebastian

Enter your travel dates to find the best prices.

Cheapest flights from Montreal to San Sebastian
Explore the most affordable flight options available from Montreal to San Sebastian. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 5 November 2025.

Wed 17/127:00 a.m.YUL - EAS
2 stops24h 00mAmerican Airlines
Tue 6/19:20 a.m.EAS - YUL
2 stops35h 48mAmerican Airlines
Deal found 3/11C$ 1,878
Wed 17/1211:20 a.m.YUL - EAS
2 stops25h 55mMultiple Airlines
Tue 6/12:05 p.m.EAS - YUL
3 stops37h 12mMultiple Airlines
Deal found 3/11C$ 2,634

Cheapflights Fare Finder

 
Customize your flight search to find flights from Montreal 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 5 November 2025.
Use the filters below to find and compare flights from Montreal to San Sebastian that are best for you.

Fly from

Montreal

Fly to

San Sebastian

Route

Depart

Return

Price

MontrealSan Sebastian

YUL - EAS

YULEAS

Montreal Pierre Elliott Trudeau Intl

Sun 19/4

11:00 p.m.-8:20 a.m.

3 stops27h 20m

San Sebastián

Sat 25/4

5:55 p.m.-10:40 a.m.

2 stops22h 45m

C$ 1,123

MontrealSan Sebastian

YUL - EAS

YULEAS

Montreal Pierre Elliott Trudeau Intl

Wed 17/12

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

2 stops24h 00m

San Sebastián

Tue 6/1

9:20 a.m.-3:08 p.m.

2 stops35h 48m

C$ 1,878

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$ 1,995

MontrealSan Sebastian

YUL - EAS

YULEAS

Montreal Pierre Elliott Trudeau Intl

Wed 17/12

11:20 a.m.-7:15 p.m.

2 stops25h 55m

San Sebastián

Tue 6/1

2:05 p.m.-9:17 p.m.

3 stops37h 12m

C$ 2,634

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/11

Best time to book a flight from Montreal to San Sebastian

Have a flexible travel schedule? Discover the best time to fly to San Sebastian from Montreal 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 Montreal to San Sebastian

What is the cheapest month to book a flight from Montreal to San Sebastian?

Currently, November is the cheapest month in which you can book a flight from Montreal to San Sebastian (average of C$ 717). Flying from Montreal to San Sebastian in February is currently the most expensive (average of C$ 1,371). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from Montreal 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?

    Located just 15.7 km from the city centre, San Sebastián is the airport most travellers will use when flying to San Sebastian from Montreal. Booking flights from Montreal to San Sebastián (EAS) should be relatively easy as there are 0 daily inbound flights from Montreal from 0 different airlines.

  • How long is the flight from Montreal to San Sebastian?

    Airlines like American Airlines fly from Montreal to San Sebastian in about 24h. The time it takes to get you to your destination can typically vary by up to . Airlines will cover a distance of 5518 km.

  • Can I find deals for flights from Montreal to San Sebastian that include hotel bookings?

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

  • How can I find direct flights from Montreal to San Sebastian?

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

  • Can I find deals for business class flights from Montreal to San Sebastian?

    Yes. Cheapflights offers flight deals from Montreal 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.

  • What is the cheapest month to book a flight from Montreal to San Sebastian?

    Currently, November is the cheapest month in which you can book a flight from Montreal to San Sebastian (average of C$ 717). Flying from Montreal to San Sebastian in February is currently the most expensive (average of C$ 1,371). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Montreal to San Sebastian

See prices for flight routes from nearby airports that may be better suited for you.
Pierre Elliott Trudeau Intl to Bilbao flights
Pierre Elliott Trudeau Intl to San Sebastian flights
Pierre Elliott Trudeau Intl to Vitoria-Gasteiz flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Montreal to San Sebastian?

When you search for this flight from Montreal to San Sebastian, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Montreal to San Sebastian?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to San Sebastian from Montreal.

Can Cheapflights find flights from Montreal to San Sebastian with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Montreal to San Sebastian flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Montreal to San Sebastian become cheaper?

Of course! You can now track prices for flights from Montreal to San Sebastian and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.