Cheap Flights Calgary to London from CAD 279

Flight FAQs

• Which airlines offer the cheapest flights from Calgary (YYC) to London (LON)?

  Based on Trip.com data, WestJet offers one-way fares as low as CAD 279 on Cheapest nonstop routes (e.g. YYC to LTN on Thu, Oct 8), while WestJet offers Cheapest nonstop round-trips from CAD 724 departing on Mon, Oct 12 and returning on Sun, Oct 18.

• Which airlines offer direct flights from Calgary to London?

  At the moment, you can catch a direct flight from Calgary to London with the following airlines, including: WestJet Air Canada Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.

• How long is the flight from Calgary (YYC) to London (LON)?

  It takes about 8 hours 53 minutes to fly from Calgary (YYC) to London (LON).

• When is the best time to book flights from Calgary to London?

  By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Calgary to London is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.

• How many flights are there per week from Calgary to London?

  Based on Trip.com data in the past 4 weeks, there is 12 flight per week flying from Calgary to London. You can check the weekly schedule for popular airlines on this route below: Air Canada: S/M/T/W/T/F/S -- AC850 (20:15)

• How can I find the best deals on flights from Calgary to London?

  To find best deals on flights from Calgary to London, you can use various tools on Trip.com:
  · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Thu, Oct 8, with one-way flights priced at just CAD 279.
  · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is WestJet.
  · Set up price alerts to easily monitor ticket prices without having to check every day.
  · Check Trip.com flight deals and promo codes frequently.
  · Avoid peak season unless you book very early. It seems the peak season for London travel is around July.
  · Get exclusive promo codes for Trip.com app users.

• When is the best time to book a flight from Calgary to London to get the best price?

  The cheapest months to fly from Calgary to London is October, when demand for travel is lower.

• Which upcoming date is the cheapest for flights from Calgary to London?

  After crunching the numbers on our August flight calendar, it's currently cheapest to fly from Calgary to London on August 31, 2026 with WestJet, with prices starting at CAD 821.

• Which airports can I fly through when travelling to London from Calgary?

  You can land at any one of the following hubs in London, with Calgary International Airport to Heathrow Airport (YYC-LHR) is by far the most common option on this route: London City Airport (LCY) London Gatwick Airport (LGW) Heathrow Airport (LHR) London Luton Airport (LTN) London Southend Airport (SEN) London Stansted Airport (STN).

• What is the time difference between Calgary and London?

  The time difference between London and Calgary is 6h.

• How can I change or cancel my flight ticket from Calgary to London?

  Tickets can only be changed or cancelled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.

• What is the average cost of a one-way flight from Calgary to London?

  Based on Trip.com data for flights departing in the next 30 days, the average one-way fare from Calgary to London is CAD 973. Fares vary by travel date, airline and availability.

• What is the average cost of a return flight from Calgary to London?

  Based on Trip.com data for travel in the next 30 days, the average round-trip fare from Calgary to London is CAD 1,387. The final price depends on the outbound and return dates, airline and fare conditions.

• How do I book flights from Calgary to London on Trip.com?

  Enter Calgary and London, choose your travel dates and passengers, then compare flights by price, duration and baggage. Select a fare, review the change and cancellation rules, enter traveler details and complete payment to receive your confirmation.

• Are there budget airlines on the Calgary to London route?

  WestJet and Air Transatare the most popular budget airlines flying from Calgary to London. Check baggage, seat and payment fees before comparing the final price.