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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 25/4. Fares are subject to change and may not be available on all flights or dates of travel.
YUL — BFS
13 Apr — 20 Apr1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Pierre Elliott Trudeau Intl to Belfast Intl

Enter your travel dates to find the best prices.

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 14 March 2026.

Thu 7/58:35 p.m.
YUL
-
BFS
2 stops19h 00m
Multiple Airlines
Sat 16/56:20 a.m.
BFS
-
YUL
2 stops18h 00m
Multiple Airlines
Deal found 9/3C$ 846
Sun 7/611:00 p.m.
YUL
-
BFS
1 stop14h 25m
Multiple Airlines
Fri 12/610:10 p.m.
BFS
-
YUL
2 stops27h 50m
Multiple Airlines
Deal found 9/3C$ 852
Sun 7/67:20 p.m.
YUL
-
BFS
2 stops17h 15m
Multiple Airlines
Sat 13/610:10 a.m.
BFS
-
YUL
1 stop15h 50m
Multiple Airlines
Deal found 9/3C$ 854
Fri 5/67:20 p.m.
YUL
-
BFS
2 stops21h 30m
Multiple Airlines
Sat 13/610:10 a.m.
BFS
-
YUL
1 stop15h 50m
Multiple Airlines
Deal found 9/3C$ 855
Sun 7/66:45 a.m.
YUL
-
BFS
2 stops29h 50m
Multiple Airlines
Mon 15/69:55 p.m.
BFS
-
YUL
3 stops25h 25m
Multiple Airlines
Deal found 9/3C$ 869
Fri 5/67:20 p.m.
YUL
-
BFS
2 stops21h 30m
Multiple Airlines
Wed 17/66:15 a.m.
BFS
-
YUL
1 stop19h 45m
Multiple Airlines
Deal found 9/3C$ 895
Sun 7/67:20 p.m.
YUL
-
BFS
2 stops17h 15m
Multiple Airlines
Sun 14/66:00 p.m.
BFS
-
YUL
1 stop22h 35m
Multiple Airlines
Deal found 9/3C$ 896
Fri 5/67:20 p.m.
YUL
-
BFS
2 stops21h 30m
Multiple Airlines
Sun 14/66:00 p.m.
BFS
-
YUL
1 stop22h 35m
Multiple Airlines
Deal found 9/3C$ 898
Wed 10/67:20 p.m.
YUL
-
BFS
2 stops20h 50m
Multiple Airlines
Thu 18/68:05 p.m.
BFS
-
YUL
1 stop20h 30m
Multiple Airlines
Deal found 9/3C$ 918
Fri 5/67:20 p.m.
YUL
-
BFS
2 stops21h 30m
Multiple Airlines
Thu 18/68:05 p.m.
BFS
-
YUL
1 stop20h 30m
Multiple Airlines
Deal found 9/3C$ 922
Mon 18/58:35 p.m.
YUL
-
BFS
2 stops18h 50m
Multiple Airlines
Sun 24/59:05 p.m.
BFS
-
YUL
2 stops25h 15m
Multiple Airlines
Deal found 11/3C$ 966

Find 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 14 March 2026.

Round-trip from

C$ 846

One-way from

C$ 494
7/5-16/5
  • 7/5-16/5
  • 4 total stops
  • 37h 00m total
  • Montreal to Belfast
Search Deals
25/4
  • 25/4
  • 2 total stops
  • 17h 50m total
  • Montreal to Belfast
Search Deals

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 14 March 2026.
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

Fly to

Route

Depart

Return

Price

Cheapest round-trip

MontrealBelfast

YUL - BFS

YULBFS

Montreal Pierre Elliott Trudeau Intl

Sun 7/6

7:20 p.m.-5:35 p.m.

2 stops17h 15m

Belfast Intl

Sat 13/6

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

1 stop15h 50m

C$ 854

MontrealBelfast

YUL - BFS

YULBFS

Montreal Pierre Elliott Trudeau Intl

Sun 7/6

6:45 a.m.-5:35 p.m.

2 stops29h 50m

Belfast Intl

Mon 15/6

9:55 p.m.-6:20 p.m.

3 stops25h 25m

C$ 869

MontrealBelfast

YUL - BFS

YULBFS

Montreal Pierre Elliott Trudeau Intl

Sun 7/6

7:20 p.m.-5:35 p.m.

2 stops17h 15m

Belfast Intl

Wed 17/6

6:15 a.m.-9:00 p.m.

1 stop19h 45m

C$ 895

MontrealBelfast

YUL - BFS

YULBFS

Montreal Pierre Elliott Trudeau Intl

Sun 7/6

7:20 p.m.-5:35 p.m.

2 stops17h 15m

Belfast Intl

Sun 14/6

6:00 p.m.-11:35 a.m.

1 stop22h 35m

C$ 896

MontrealBelfast

YUL - BFS

YULBFS

Montreal Pierre Elliott Trudeau Intl

Fri 5/6

7:20 p.m.-9:50 p.m.

2 stops21h 30m

Belfast Intl

Sun 14/6

6:00 p.m.-11:35 a.m.

1 stop22h 35m

C$ 898

MontrealBelfast

YUL - BFS

YULBFS

Montreal Pierre Elliott Trudeau Intl

Sat 6/6

11:00 p.m.-10:15 p.m.

1 stop18h 15m

Belfast Intl

Mon 15/6

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

2 stops16h 00m

C$ 1,048

MontrealBelfast

YUL - BFS

YULBFS

Montreal Pierre Elliott Trudeau Intl

Mon 18/5

11:00 p.m.-10:40 a.m.

1 stop30h 40m

Belfast Intl

Sun 24/5

6:00 p.m.-11:35 a.m.

1 stop22h 35m

C$ 1,101

MontrealBelfast

YUL - BFS

YULBFS

Montreal Pierre Elliott Trudeau Intl

Wed 9/9

6:50 p.m.-7:35 p.m.

1 stop19h 45m

Belfast Intl

Thu 24/9

8:05 p.m.-11:35 a.m.

1 stop20h 30m

C$ 1,107

MontrealBelfast

YUL - BFS

YULBFS

Montreal Pierre Elliott Trudeau Intl

Sun 6/9

7:20 p.m.-1:05 p.m.

2 stops12h 45m

Belfast Intl

Fri 25/9

6:05 a.m.-2:15 p.m.

1 stop13h 10m

C$ 1,299

MontrealBelfast

YUL - BFS

YULBFS

Montreal Pierre Elliott Trudeau Intl

Sat 25/4

7:05 p.m.-12:20 a.m.

1 stop24h 15m

Belfast Intl

Sat 2/5

10:10 a.m.-2:00 p.m.

1 stop32h 50m

C$ 1,299

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/3

Showing 1-10 of 15 resultsSorted by cheapest first
1
2

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 14 March 2026.
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
7,786 reviews
Check prices

Food

6.4

Entertainment

6.4

Overall

6.7

Comfort

6.8

Crew

7.6

Boarding

6.9

Reviews

1 / 20
2.0
Mediocre

Natasha,Feb 2026

SEA - LHR

I already said the thing about the list luggage, which actually this flight.
British Airways
6.7
Okay
7,786 reviews
British Airways
6.7
Okay
7,786 reviews
Check prices

Food

6.4

Entertainment

6.4

Overall

6.7

Comfort

6.8

Crew

7.6

Boarding

6.9

Reviews

1 / 20
2.0
Mediocre

Natasha,Feb 2026

SEA - LHR

I already said the thing about the list luggage, which actually this flight.

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.

  • What is the cheapest airline to fly from Montreal Pierre Elliott Trudeau Intl Airport to Belfast Intl Airport round-trip?

    Our cheapest airline available from Montreal Pierre Elliott Trudeau Intl Airport to Belfast Intl Airport is British Airways. Our recent data shows that you can find tickets from as low as C$ 989 on this airline.

  • 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.

See more FAQs

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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 14 March 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapestC$ 989AverageC$ 1,191FlexibilityNo cancel feeOn-time70%
Search British Airways flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Pierre Elliott Trudeau Intl to Belfast Intl?

Deals for Pierre Elliott Trudeau Intl to Belfast Intl flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Pierre Elliott Trudeau Intl to Belfast Intl?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Pierre Elliott Trudeau Intl to Belfast Intl.

Can Cheapflights find flights from Pierre Elliott Trudeau Intl to Belfast Intl with no change fees?

Certainly. Search results for flights to Belfast Intl from Pierre Elliott Trudeau Intl shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Pierre Elliott Trudeau Intl to Belfast Intl become cheaper?

Of course! You can now track prices for flights from Pierre Elliott Trudeau Intl to Belfast Intl 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.

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