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Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to Belfast Intl Airport from C$ 494

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/12. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — BFS
26 Nov — 3 Dec1
1 adult
1 adult, Economy, 0 bags

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Cheapest flights from Pierre Elliott Trudeau Intl to Belfast Intl
Explore the most affordable flight options available from Pierre Elliott Trudeau Intl to Belfast Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 27 October 2025.

Fri 19/1210:15 a.m.YUL - BFS
3 stops30h 45mMultiple Airlines
Mon 5/19:10 p.m.BFS - YUL
3 stops43h 50mMultiple Airlines
Deal found 27/10C$ 1,896

Cheapflights Fare Finder

 
Customize your flight search to find flights from Pierre Elliott Trudeau Intl to Belfast Intl 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 27 October 2025.
Use the filters below to find and compare flights from Montreal Pierre Elliott Trudeau Intl Airport to Belfast Intl Airport that are best for you.

Fly from

Pierre Elliott Trudeau Intl

Fly to

Belfast Intl

Route

Depart

Return

Price

MontrealBelfast

YUL - BFS

YULBFS

Montreal Pierre Elliott Trudeau Intl

Fri 19/12

10:15 a.m.-10:00 p.m.

3 stops30h 45m

Belfast Intl

Mon 5/1

9:10 p.m.-12:00 p.m.

3 stops43h 50m

C$ 1,896

MontrealBelfast

YUL - BFS

YULBFS

Montreal Pierre Elliott Trudeau Intl

Tue 9/12

8:10 p.m.-9:40 p.m.

1 stop20h 30m

C$ 494

MontrealBelfast

YUL - BFS

YULBFS

Montreal Pierre Elliott Trudeau Intl

Wed 10/12

7:45 p.m.-10:50 p.m.

2 stops22h 05m

C$ 519

Flights are sorted by cheapest round-trip flights first.

Deals found on 24/10

Best time to book a flight from Pierre Elliott Trudeau Intl to Belfast Intl

Have a flexible travel schedule? Discover the best time to fly to Belfast Intl 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.

Reviews of airlines servicing Belfast Intl

Get insights into the airlines that provide service to Belfast Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Belfast Intl. Reviews last updated 27 October 2025.
Check out reviews from past customers who have flown with British Airways from Montreal Pierre Elliott Trudeau Intl Airport to Belfast Intl Airport to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
British Airways
6.7
Okay
7,481 reviews
Check prices

Crew

7.6

Entertainment

6.4

Boarding

6.9

Comfort

6.7

Overall

6.7

Food

6.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Aug 2025

ALG - LGW

Didn't like anything from this flight starting with the lady at the counter. Nasty attitude.
British Airways
6.7
Okay
7,481 reviews
British Airways
6.7
Okay
7,481 reviews
Check prices

Crew

7.6

Entertainment

6.4

Boarding

6.9

Comfort

6.7

Overall

6.7

Food

6.3

Reviews

1 / 20
2.0
Mediocre

Anonymous,Aug 2025

ALG - LGW

Didn't like anything from this flight starting with the lady at the counter. Nasty attitude.

Related info for your journey

Find useful and relevant information for your journey from Pierre Elliott Trudeau Intl to Belfast Intl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

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

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

    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 Belfast Intl.

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

    Yes. Cheapflights offers flight deals from Pierre Elliott Trudeau Intl to Belfast Intl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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Alternative routes for Pierre Elliott Trudeau Intl to Belfast Intl

See prices for flight routes from nearby airports that may be better suited for you.
Pierre Elliott Trudeau Intl to Belfast City flights

Top airline flying from Pierre Elliott Trudeau Intl to Belfast Intl

Discover the top airline that operate flights from Pierre Elliott Trudeau Intl to Belfast Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 27 October 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapestC$ 1,012AverageC$ 1,218FlexibilityNo cancel feeOn-time70%
Search British Airways flights

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