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Cheap flights from Montreal Pierre Elliott Trudeau Intl Airport to Belfast Intl Airport from C$ 478

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 15/1. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — BFS
11 Oct — 18 Oct1
1 adult
1 adult, Economy

Cheap flight deals from Pierre Elliott Trudeau Intl to Belfast Intl

Discover tips and strategies to find the most affordable flight options for your journey from Pierre Elliott Trudeau Intl (YUL) to Belfast Intl (BFS). 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 11 September 2025.

Round-trip from

C$ 892

One-way from

C$ 478
30/11-19/2
  • 30/11-19/2
  • 4 total stops
  • 32h 20m total
  • Montreal to Belfast
Search Deals
15/1
  • 15/1
  • 1 total stop
  • 21h 25m total
  • Montreal to Belfast
Search Deals

Find flight deals from Pierre Elliott Trudeau Intl to Belfast Intl

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 11 September 2025.

Sun 30/115:25 p.m.YUL - BFS
2 stops15h 25mMultiple Airlines
Thu 19/26:30 a.m.BFS - YUL
2 stops16h 55mMultiple Airlines
Deal found 10/9C$ 892
Sat 25/106:00 p.m.YUL - BFS
2 stops19h 40mMultiple Airlines
Sat 1/118:10 a.m.BFS - YUL
2 stops30h 55mMultiple Airlines
Deal found 10/9C$ 902
Tue 18/117:40 p.m.YUL - BFS
1 stop21h 00mMultiple Airlines
Sun 30/113:45 p.m.BFS - YUL
1 stop25h 25mMultiple Airlines
Deal found 11/9C$ 976
Wed 10/99:30 p.m.YUL - BFS
1 stop16h 35mMultiple Airlines
Wed 17/99:05 p.m.BFS - YUL
1 stop22h 10mMultiple Airlines
Deal found 9/9C$ 1,082

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 11 September 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

Sun 30/11

5:25 p.m.-1:50 p.m.

2 stops15h 25m

Belfast Intl

Thu 19/2

6:30 a.m.-6:25 p.m.

2 stops16h 55m

C$ 892

MontrealBelfast

YUL - BFS

YULBFS

Montreal Pierre Elliott Trudeau Intl

Sat 25/10

6:00 p.m.-6:40 p.m.

2 stops19h 40m

Belfast Intl

Sat 1/11

8:10 a.m.-11:05 a.m.

2 stops30h 55m

C$ 902

MontrealBelfast

YUL - BFS

YULBFS

Montreal Pierre Elliott Trudeau Intl

Tue 18/11

7:40 p.m.-9:40 p.m.

1 stop21h 00m

Belfast Intl

Sun 30/11

3:45 p.m.-12:10 p.m.

1 stop25h 25m

C$ 976

MontrealBelfast

YUL - BFS

YULBFS

Montreal Pierre Elliott Trudeau Intl

Thu 15/1

7:40 p.m.-10:05 p.m.

1 stop21h 25m

C$ 478

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/9

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 11 September 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
7,361 reviews
Check prices

Food

6.3

Boarding

6.9

Overall

6.7

Entertainment

6.4

Crew

7.6

Comfort

6.7

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
7,361 reviews
British Airways
6.7
Okay
7,361 reviews
Check prices

Food

6.3

Boarding

6.9

Overall

6.7

Entertainment

6.4

Crew

7.6

Comfort

6.7

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 11 September 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapestC$ 1,002AverageC$ 1,206FlexibilityNo cancel feeOn-time70%
Search British Airways flights

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