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C$323 Cheap Flights from Calgary to London Heathrow

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Flight deals from Calgary Airport to London Heathrow Airport

Looking for a cheap last-minute deal or the best return flight from Calgary Airport to London Heathrow Airport? If you want to travel next month, return fares start from C$903. Find the lowest prices on one-way and return tickets right here.
London.C$323 per passenger.Departing Tue., May 19.One-way flight with WestJet.Outbound indirect flight with WestJet, departs from Calgary on Tue., May 19, arriving in London Heathrow.Price includes taxes and charges.From C$323, select.
London.C$336 per passenger.Departing Mon., Jun. 8.One-way flight with WestJet.Outbound indirect flight with WestJet, departs from Calgary on Mon., Jun. 8, arriving in London Heathrow.Price includes taxes and charges.From C$336, select.
London.C$373 per passenger.Departing Wed., Jan. 13.One-way flight with WestJet.Outbound direct flight with WestJet departs from Calgary on Wed., Jan. 13, arriving in London Heathrow.Price includes taxes and charges.From C$373, select.
London.C$373 per passenger.Departing Wed., Nov. 25.One-way flight with WestJet.Outbound direct flight with WestJet departs from Calgary on Wed., Nov. 25, arriving in London Heathrow.Price includes taxes and charges.From C$373, select.
London.C$374 per passenger.Departing Tue., Dec. 1.One-way flight with WestJet.Outbound direct flight with WestJet departs from Calgary on Tue., Dec. 1, arriving in London Heathrow.Price includes taxes and charges.From C$374, select.
London.C$386 per passenger.Departing Tue., Feb. 2.One-way flight with WestJet.Outbound direct flight with WestJet departs from Calgary on Tue., Feb. 2, arriving in London Heathrow.Price includes taxes and charges.From C$386, select.
London.C$392 per passenger.Departing Mon., Jun. 8.One-way flight with WestJet.Outbound direct flight with WestJet departs from Calgary on Mon., Jun. 8, arriving in London Heathrow.Price includes taxes and charges.From C$392, select.
London.C$401 per passenger.Departing Fri., Oct. 9.One-way flight with WestJet.Outbound direct flight with WestJet departs from Calgary on Fri., Oct. 9, arriving in London Heathrow.Price includes taxes and charges.From C$401, select.
London.C$500 per passenger.Departing Wed., May 27.One-way flight with WestJet.Outbound direct flight with WestJet departs from Calgary on Wed., May 27, arriving in London Heathrow.Price includes taxes and charges.From C$500, select.
London.C$503 per passenger.Departing Mon., Mar. 30.One-way flight with Flair Airlines.Outbound indirect flight with Flair Airlines, departs from Calgary on Mon., Mar. 30, arriving in London Heathrow.Price includes taxes and charges.From C$503, select.
London.C$520 per passenger.Departing Mon., Jul. 27.One-way flight with WestJet.Outbound direct flight with WestJet departs from Calgary on Mon., Jul. 27, arriving in London Heathrow.Price includes taxes and charges.From C$520, select.
London.C$521 per passenger.Departing Mon., Apr. 20.One-way flight with WestJet.Outbound direct flight with WestJet departs from Calgary on Mon., Apr. 20, arriving in London Heathrow.Price includes taxes and charges.From C$521, select.
London.C$544 per passenger.Departing Mon., Sep. 28.One-way flight with Flair Airlines.Outbound indirect flight with Flair Airlines, departs from Calgary on Mon., Sep. 28, arriving in London Heathrow.Price includes taxes and charges.From C$544, select.
London.C$564 per passenger.Departing Thu., Mar. 19.One-way flight with WestJet.Outbound direct flight with WestJet departs from Calgary on Thu., Mar. 19, arriving in London Heathrow.Price includes taxes and charges.From C$564, select.
London.C$575 per passenger.Departing Sun., Sep. 27.One-way flight with WestJet.Outbound direct flight with WestJet departs from Calgary on Sun., Sep. 27, arriving in London Heathrow.Price includes taxes and charges.From C$575, select.
London.C$588 per passenger.Departing Mon., Aug. 3.One-way flight with WestJet.Outbound direct flight with WestJet departs from Calgary on Mon., Aug. 3, arriving in London Heathrow.Price includes taxes and charges.From C$588, select.

Find the cheapest month to fly from Calgary to London Heathrow

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Calgary to London Heathrow flights are currently cheapest in May.
Mar.
from C$503
Apr.
from C$521
May
from C$323
Jun.
from C$336
Jul.
from C$520
Aug.
from C$588
Sep.
from C$544
Oct.
from C$401
Nov.
from C$373
Dec.
from C$374
Jan.
from C$373
Feb.
from C$386

Direct flights from Calgary to London Heathrow

Calgary to London Heathrow: Alternative routes

Compare routes from Calgary to London below. You may find an airport to fly into that's cheaper, faster, or easier than London Heathrow.

London City

12km from central London
Closest
from C$374
Search flights

London Heathrow

23km from central London
from C$323
Search flights

London Gatwick

40km from central London
Cheapest
from C$256
Search flights

London Luton

45km from central London
from C$259
Search flights

London Stansted

49km from central London
from C$261
Search flights

London Southend

57km from central London
from C$350
Search flights

Calgary to London: Flight information

The things to know before you go.
Cheapest flight foundC$323
Cheapest month to flyMay
Average flight time8 hrs, 48 mins
Most popular airlineUnited
Average flights per week91

Check out these London hotels

Ready to plan your stay? Other travellers rate these London hotels for cleanliness, service and location.
The Milestone Hotel - London
4.12 km from city centre
C$573
Per night
47 Park Street - Grand Residences by Marriott
1.89 km from city centre
C$1,272
Per night
Egerton House
3.02 km from city centre
C$454
Per night
The Milestone Hotel - London
4.12 km from city centre
C$573
Per night
47 Park Street - Grand Residences by Marriott
1.89 km from city centre
C$1,272
Per night
Egerton House
3.02 km from city centre
C$454
Per night
Explore top-rated hotels

Finding cheap flights from Calgary to London Heathrow: Frequently asked questions

The best price we found for a return flight from Calgary to London Heathrow is C$821. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
8 hours and 48 minutes is the average flight time from Calgary to London Heathrow.
United, Air Canada and WestJet fly direct from Calgary to London Heathrow.
As of March 2026, there are 91 flights per week flying from Calgary to London Heathrow.
The cheapest month to fly from Calgary to London Heathrow is usually May.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Calgary Airport to London Heathrow Airport on Monday, May 18, 2026.
Yes – the average flight time is 8 hours and 48 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to London Heathrow but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to London is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, WestJet offers the cheapest flight tickets to London Heathrow.

Traveling from Calgary International Airport (YYC) to London Heathrow Airport (LHR): what you need to know

  • The average length of a direct flight from Calgary International Airport to London Heathrow Airport is 8 hours 40 minutes. London's timezone is UTC+0, which makes London 6 hours ahead of Calgary.

  • Flights from Calgary International Airport to London Heathrow Airport start from 10:15 — the earliest with Air Canada. The last flight of the day is the 22:00 option with WestJet. Overall, you can choose from 16 weekly services from YYC to LHR.

  • During popular months like July, you'll want to get to the airport earlier than usual. Arrive two hours before domestic departures and four hours ahead of international flights whenever you're traveling during peak periods in general.

  • WestJet is your gateway to exploring London (and maybe even some other great parts of United Kingdom!). Browse the direct flights from Calgary International Airport to London Heathrow Airport offered by this airline.

  • Before reserving your cheap ticket from YYC to LHR, check whether you need a visa to enter United Kingdom. Travel document and visa requirements can vary and are updated often. To get the latest information, contact the nearest embassy or consulate of the country you're traveling to.

How to find the cheapest flights from Calgary International Airport (YYC) to London Heathrow Airport (LHR)

  • C$323 is the lowest price for a one-way ticket from Calgary International Airport to London Heathrow Airport. A return flight starts from C$821. These fares may change depending on availability and demand.

  • To get your hands on cheap flight tickets from YYC to LHR, reserve your journey 5 months ahead of your planned departure.

  • January is the cheapest month for flight tickets from Calgary International Airport to London Heathrow Airport. If you need to travel at a different time of year, the 'Whole month' tool will give you the lowest airfares for each month.

  • Finding a cheap ticket from YYC to LHR is easy with Price Alerts. All you need to do is set up one of these automatic alerts and we'll notify you as soon as the price has fallen.

  • Use filters to tailor your flights from Calgary International Airport to London Heathrow Airport. Simply select your preferred departure and arrival times, number of stops and airlines. Or sort your results by 'Cheapest' to see the best deals.

Handy information about Calgary International Airport (YYC)

Arriving at London Heathrow Airport (LHR)

Getting from London Heathrow Airport (LHR) to central London

  • From London Heathrow Airport, London is approximately 31 kilometres away. It takes around 57 minutes to reach the center driving.

  • Traveling on public transport takes about 1 hour and 1 minute.

When to fly to London Heathrow Airport (LHR)

  • The quietest month for a flight from Calgary International Airport to London Heathrow Airport is February, while July is the most popular. Choose the best time to visit London based on whether you prefer a laid-back vibe or a more bustling atmosphere.

  • Lock in your flight from Calgary International Airport to London Heathrow Airport for July if you'd like to visit London during its warmest month. Expect temperatures of between 11ºC and 26ºC.

  • January sees average temperatures of between 0ºC and 9ºC. Look for cheap flight tickets from YYC to LHR sometime then if you like cooler conditions.

More about London

Complete your London trip with hotels and a car rental

  • After you've secured your cheap ticket to London Heathrow Airport, check out the lowest prices and exclusive offers on hotels. You can also compare hundreds of car rental companies in one place to get the best car rental price for your London trip.

More travel options

Plan the rest of your trip from Calgary to London

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.