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Air Canada · Route guide

Air Canada Route: YUL (Montreal) to LHR (London Heathrow)

Everything you need to fly Montreal to London Heathrow: when to go, who flies it, what it costs, and how to land well.

1 airline on this route · Daily Non-stop

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Airline

Air Canada

Aircraft

Airbus A330-300

Service

Daily Non-stop

Region

Trans-Atlantic

The route

Air Canada provides daily non-stop service between Montreal (YUL) and London Heathrow (LHR), a vital trans-Atlantic link for both business and leisure travelers. Flying on the Airbus A330-300, passengers can expect a flight duration of approximately 7 hours when heading east, crossing a distance of 3,258 miles. This route connects Canada's second-largest city with the United Kingdom's primary international gateway, offering seamless transitions for those visiting London or connecting further into Europe, Africa, or the Middle East. For travelers who enjoy documenting their journeys, uploading a boarding pass to Borderly allows you to keep a precise log of this specific Air Canada segment, alongside your lifetime flight statistics. Whether you are traveling for a corporate meeting in the City of London or exploring the historic landmarks of Westminster, understanding the nuances of this route—from the 5-hour time difference to the mandatory UK ETA starting in 2025—is essential for a smooth experience. This guide covers everything from airport lounge locations at YUL to ground transportation options like the Heathrow Express.

The flight from Montreal (YUL) to London Heathrow (LHR) follows a Great Circle path across the North Atlantic, typically taking travelers over Atlantic Canada and Ireland before descending into the London basin. Covering roughly 3,258 miles, this route is a staple of Air Canada’s international network, utilizing the Airbus A330-300 aircraft which offers a robust three-cabin configuration. The passenger mix is highly diverse, featuring corporate executives from Montreal's aerospace and tech sectors, international students attending London's world-class universities, and a significant volume of tourists visiting the United Kingdom. Operating in a competitive trans-Atlantic context, Air Canada positions this flight to capture both point-to-point demand and connecting traffic from smaller Canadian hubs. The flight usually departs Montreal in the late evening, allowing for a morning arrival in London, which is ideal for business travelers wanting to maximize their workday. By tracking these flights on Borderly, users can visualize their trans-Atlantic crossings and build a comprehensive map of their global movements, ensuring every mile flown is accounted for in their personal travel history.

Demand for the YUL to LHR route exhibits clear seasonal patterns, with a massive surge during the summer months and the December holiday period. During these peak times, flights often operate near full capacity, driven by leisure travelers and families visiting relatives. Conversely, the shoulder seasons of spring and autumn see a higher proportion of business travelers, who benefit from more stable pricing and better seat availability. The route is characterized by a night hop eastbound, which is consistently popular for its efficiency, while the westbound return faces higher headwinds and longer flight times. Price sensitivity varies; leisure passengers often book months in advance to secure lower fares, whereas the business segment relies on the flexibility of last-minute bookings and premium cabin availability. Since Air Canada operates this route daily, it maintains a steady presence in the market, though competition from other carriers at nearby hubs ensures that pricing remains competitive. Travelers who frequently fly this corridor often use Borderly to compare their different crossings, noting how seasonality affects their travel frequency and total distance covered over several years.

The Montreal to London Heathrow connection is a critical artery for trade and cultural exchange between Quebec and the United Kingdom. As a major financial and cultural hub, London serves as a primary destination for Montreal-based businesses, particularly those in the pharmaceutical, artificial intelligence, and creative industries. Conversely, British investment in Montreal continues to grow, necessitating reliable, high-frequency air service. Beyond commerce, the route facilitates significant academic exchange, with thousands of students moving between institutions like McGill or Université de Montréal and London’s various colleges. Practically, this route also serves as a gateway for travelers from Eastern Canada to access the massive network of destinations served by Heathrow, making it a strategic component of the Star Alliance network. For the individual traveler, this flight represents a bridge between the francophone charm of North America and the historical depth of the British capital. Using tools like Borderly to track these significant international segments helps travelers maintain a digital record of their professional and personal milestones achieved through global aviation.
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Airports

Taking off, touching down.

Check-in, security, connections and getting into town at both ends of the flight.

Departure

Montréal–Trudeau International Airport (YUL)

YUL
Check-in
Air Canada check-in is located at the far end of the departures hall; arrive 3 hours early.
Security
International security lines can be long; use the YUL Express service to book a spot.
Connections
Accessible via the 747 Express bus from downtown or taxis/ride-shares.

The area

Navigating your departure from Montréal–Trudeau International Airport (YUL) requires some planning, especially during peak international windows. It is highly recommended to arrive at the airport at least 3 hours before your scheduled departure to London Heathrow. For those coming from downtown Montreal, the 747 Express bus offers a reliable and cost-effective connection, though taxis and ride-sharing services are faster during off-peak hours. If you are driving, YUL offers several parking options, including the Multi-Level lot which is closest to the terminal. Once inside, Air Canada’s check-in counters are located toward the end of the departures hall. After clearing security, eligible passengers can relax in the Air Canada Maple Leaf Lounge situated in the international zone near Gate 52. If you have extra time, the international terminal features a variety of boutiques and dining options that reflect Montreal's culinary reputation. Ensure your boarding pass is ready for scanning at the gate, and remember to save a digital copy or the paper slip to upload to Borderly later.

Arrival

London Heathrow Airport (LHR)

LHR
On arrival
Have your UK ETA ready for inspection and follow signs for Terminal 2 arrivals.
Ground transport
Heathrow Express is fastest (15 mins); Elizabeth Line and Piccadilly Line are economical.
Planning ahead
Use the Heathrow app for real-time luggage belt updates and gate information.

The area

Upon arriving at London Heathrow Airport (LHR), you will likely find yourself in Terminal 2, known as The Queen's Terminal, which serves most Star Alliance carriers including Air Canada. After clearing immigration—where you may need to show your UK ETA—and collecting your luggage, you have several options for reaching central London. The Heathrow Express is the fastest, reaching Paddington Station in just 15 minutes, making it ideal for those on a tight schedule. Alternatively, the Elizabeth Line provides a direct and modern connection to key locations like Bond Street and Canary Wharf in about 40 minutes at a lower price point. For the most budget-conscious, the Piccadilly Line of the Underground takes about an hour but serves many more local stations. If you are staying near the airport, there are numerous hotels connected by local buses or the Hoppa shuttle. For first-day planning, consider taking a stroll along the South Bank or visiting a local pub to acclimate to the local time. Tracking your arrival on Borderly helps you visualize your entry into the UK.

Timing & fares

When it flies, what it costs.

Schedule & reliability

Schedule
Daily evening departure from YUL; afternoon departure from LHR.
Duration
Approximately 7 hours eastbound; up to 8 hours 15 minutes westbound.
Seasonality
Highest demand in July-August; lowest in January-February.
Time zones
London is 5 hours ahead of Montreal; prepare for significant morning jet lag.

Air Canada's schedule between Montreal and London is designed for maximum connectivity, typically featuring an evening departure (AC864) that arrives in London the following morning. This red-eye format is preferred by many as it allows for a full day of activity upon arrival, though it requires careful management of jet lag. The westbound return, AC865, usually departs London in the early afternoon and arrives back in Montreal by late afternoon or early evening on the same day. While Air Canada maintains a high level of reliability on this flagship route, trans-Atlantic flights can occasionally be subject to delays caused by North Atlantic jet streams or air traffic congestion at Heathrow, one of the world's busiest airports. Travelers should always check their flight status before heading to YUL. To mitigate the risk of missed connections, it is wise to build in a buffer if you are planning onward travel from London. By logging these flights on Borderly, you can track the consistency of your travel times and see how often your actual flight duration aligns with the scheduled block time.

Fares & booking

Booking window
3-6 months in advance is optimal for trans-Atlantic pricing.
Cabin advice
Upgrade to Signature Class for the overnight leg to maximize sleep.
Peak pricing
Very high risk of price spikes during July, August, and late December.
  • Book 3 to 6 months in advance for the lowest fares.
  • Fly mid-week (Tuesday or Wednesday) to avoid weekend price premiums.
  • Check for fare sales during the late autumn for winter travel.
  • Use the Air Canada app for easy check-in and seat selection.

Peak season

July, August, and late December for summer and holiday travel.

Shoulder season

April-May and September-October for the best weather-price ratio.

Off-peak season

January and February offer the lowest fares but coldest weather.

Tours and experiences at either end

Vetted day trips and activities in London Heathrow and Montreal, through our travel partner.

When to fly

Best Time to Fly Montreal to London Heathrow

  1. 01

    Spring (April-May)

    Mild weather and lower crowds than summer; good balance of price.

  2. 02

    Summer (July-August)

    Peak tourist season with long daylight hours but highest airfares.

  3. 03

    Autumn (September-October)

    Cooler weather and beautiful foliage in both cities; business travel peaks.

Trip planning

Who this route suits best.

Business Professionals

Efficient overnight schedule allows for a full day of meetings in London.

International Students

Direct link between Montreal's top universities and London's academic hub.

Leisure Explorers

Fastest way for Quebecers to reach the heart of the United Kingdom.

Connections & alternatives

Paris

Frequent connections from LHR for a multi-city European tour.

Edinburgh

Popular domestic connection for exploring the Scottish Highlands.

Dublin

Quick hop across the Irish Sea for business or leisure.

Via Toronto (YYZ)

Short hop from Montreal with many onward London flights. Best for Schedule flexibility.

Via New York (JFK)

Dozens of daily flights across multiple carriers. Best for Competitive pricing.

Air Canada Route: YYZ (Toronto) to LHR (London Heathrow)Multiple daily flights and 787-9 or 777 aircraft options.American Airlines Route: JFK (New York) to LHR (London)Frequent shuttle-like service from the US East Coast.United Airlines Route: ORD (Chicago O'Hare) to LHR (London)Strong Star Alliance connectivity for US-based travelers.
Field notes

Travel Tips for the Montreal-London Heathrow Route

Visa & entry

  • Apply for the UK ETA (£20) at least 3 working days before departure.
  • Keep a digital or printed copy of your UK ETA confirmation.
  • Ensure your passport is valid for the duration of your stay in the UK.
  • Canadians can typically use e-gates for faster entry at Heathrow.

Airport transfers

  • Book Heathrow Express tickets 30+ days early for £10 fares.
  • Use contactless payment or an Oyster card for the Elizabeth Line.
  • Allow 60-80 minutes if taking the National Express coach to Victoria.
  • Consider the Piccadilly Line for the cheapest route into Central London.

Baggage & transit

  • Confirm baggage allowance based on your fare class to avoid fees.
  • Label bags clearly with your contact info in both English and French.
  • Use the LHR flight connection shuttle if moving between terminals.
  • Check through-baggage status if you have a separate connecting ticket.

Checklist

  • Valid Passport
  • Approved UK ETA (Mandatory starting Jan 8, 2025)
  • Travel Insurance documentation
  • Universal Power Adapter (UK Plug Type G)
  • Borderly account for tracking flight stats
  • Local currency (GBP) or contactless payment method
Carriers

Airlines Flying Montreal to London Heathrow

Air Canada

Daily

Airbus A330-300

FAQ

Common questions.

Straight answers about flying Montreal to London Heathrow.

Where is the Air Canada check-in at YUL?

Air Canada’s check-in area is conveniently located at the far end of the departures hall at Montréal–Trudeau International Airport (YUL). Look for the distinctive red maple leaf branding. It is recommended to use the self-service kiosks or the Air Canada mobile app to speed up the process before dropping your bags at the designated counters.

Can I use the Maple Leaf Lounge at Montreal-Trudeau?

Yes, if you are traveling in Air Canada Signature Class, hold certain Aeroplan elite statuses, or have a qualifying credit card, you can access the Maple Leaf Lounge. Located in the international departures area near Gate 52, the lounge offers complimentary food, beverages, and a quiet space to relax before your flight to London Heathrow.

What is the UK ETA requirement for Canadians?

Starting January 8, 2025, Canadian citizens must obtain an Electronic Travel Authorization (ETA) before traveling to the United Kingdom. The application costs £20 and is generally valid for two years. It is linked to your passport and allows for multiple entries for stays of up to six months for tourism or business purposes.

Is the Elizabeth Line or Heathrow Express better for getting to London?

The choice depends on your destination and budget. The Heathrow Express is the fastest, taking only 15 minutes to reach Paddington Station. The Elizabeth Line is slightly slower, taking about 45 minutes, but it provides direct access to more central locations like Bond Street and Liverpool Street at a lower cost than the Express.

What terminal does Air Canada use at London Heathrow?

Air Canada operates out of Terminal 2, also known as The Queen's Terminal, at London Heathrow (LHR). This terminal is modern and serves most Star Alliance member airlines. Upon arrival, follow signs for Arrivals and Immigration, and if you are connecting, look for the Flight Connections signs to reach other terminals.

How should I prepare for the 5-hour time difference?

London is five hours ahead of Montreal, which can lead to significant jet lag. To minimize the impact, try to adjust your sleep schedule a few days before departure and stay hydrated during the flight. Upon arrival in London, try to stay awake until the local evening to help your body clock synchronize with the new time zone.

When is the best time to book cheap flights to London?

For the best fares on the YUL to LHR route, it is generally recommended to book between 3 and 6 months in advance. January and February are typically the cheapest months to fly, while mid-week departures on Tuesdays or Wednesdays often offer lower prices than weekends. Avoid peak summer and Christmas periods if budget is your main concern.

What aircraft is typically used on this route?

Air Canada currently operates the Airbus A330-300 on the route from Montreal to London Heathrow. This aircraft features a three-cabin layout, including lie-flat pods in Signature Class, a dedicated Premium Economy cabin, and a standard Economy section. It provides a comfortable and reliable trans-Atlantic experience with modern in-flight entertainment at every seat.

What aircraft does Air Canada fly from Montreal to London?

Air Canada currently operates the Airbus A330-300 on its non-stop route from Montréal–Trudeau International Airport to London Heathrow, providing a reliable three-cabin service for all passengers.

Do Canadians need a visa for the UK in 2025?

While Canadians do not need a traditional visa for short stays, they will be required to obtain a UK Electronic Travel Authorization (ETA) starting January 8, 2025, for a fee of £20.

How long is the flight from YUL to LHR?

The eastbound flight from Montreal to London Heathrow typically takes between 6 hours and 40 minutes and 7 hours and 5 minutes, depending on wind conditions and the specific flight path.

What is the fastest way from Heathrow to central London?

The Heathrow Express is the fastest transport option, offering a non-stop journey from the airport terminals to London Paddington Station in just 15 minutes, with departures every 15 minutes.

What time does the Air Canada flight from Montreal to London arrive?

The daily Air Canada flight, usually AC864, departs Montreal in the late evening and arrives at London Heathrow the following morning, typically between 6:30 AM and 9:00 AM local time.

Your travel vault

Flown YUL to LHR? Keep it.

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Three steps

  1. 1Log in to your Borderly account and navigate to the upload section.
  2. 2Upload a clear photo or digital PDF of your YUL-LHR boarding pass.
  3. 3Verify the flight details, including the Airbus A330-300 aircraft.
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