Cheap flights from Montreal to Belfast Intl Airport from C$ 684

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 31/10. Fares are subject to change and may not be available on all flights or dates of travel.
YMQ — BFS
17 Oct — 24 Oct1
1 adult
1 adult, Economy

Find flight deals from Montreal to Belfast Intl

One-way flights from Montreal to Belfast Intl
Search for one-way flight options from Montreal to Belfast Intl. Find affordable one-way fares based on user searches. Data last updated 17 September 2025.

Fri 31/102:30 p.m.YUL - BFS
3 stops38h 20mMultiple Airlines
Deal found 16/9C$ 684

Cheapflights Fare Finder

 
Customize your flight search to find flights from Montreal 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 17 September 2025.
Use the filters below to find and compare flights from Montreal to Belfast Intl Airport that are best for you.

Fly from

Montreal

Fly to

Belfast Intl

Route

Depart

Return

Price

MontrealBelfast

YUL - BFS

YULBFS

Montreal Pierre Elliott Trudeau Intl

Fri 31/10

2:30 p.m.-8:50 a.m.

3 stops38h 20m

C$ 684

Flights are sorted by cheapest round-trip flights first.

Deals found on 16/9

Best time to book a flight from Montreal to Belfast Intl

Have a flexible travel schedule? Discover the best time to fly to Belfast Intl 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 Belfast Intl Airport
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Related info for your journey

Find useful and relevant information for your journey from Montreal 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 Montreal to Belfast Intl that include hotel bookings?

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

  • How can I find direct flights from Montreal to Belfast Intl?

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

  • Can I find deals for business class flights from Montreal to Belfast Intl?

    Yes. Cheapflights offers flight deals from Montreal 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 Montreal 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
Pierre Elliott Trudeau Intl to Belfast Intl flights
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Ottawa to Belfast City flights

Top airline flying from Montreal to Belfast Intl

Discover the top airline that operate flights from Montreal 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 17 September 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapestC$ 994AverageC$ 1,197FlexibilityNo cancel feeOn-time70%
Search British Airways flights

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Deals for Montreal 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.

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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 Montreal to Belfast Intl.

Can Cheapflights find flights from Montreal to Belfast Intl with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Montreal to Belfast Intl, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Montreal to Belfast Intl become cheaper?

Of course! You can now track prices for flights from Montreal 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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