Cheap flights from Calgary to London from $231
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Calgary to London departing on 10/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Not ready to book? to track prices.United Airlines flights from Calgary to London Heathrow Airport
Our best United Airlines deals on Calgary to London Heathrow Airport flight tickets
WestJet flights from Calgary to London Heathrow Airport
Our best WestJet deals on Calgary to London Heathrow Airport flight tickets
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Fly from
Fly to
Route
Depart
Return
CalgaryLondon
YYC Calgary - LHR London Heathrow
YYCLHR
Calgary
Sat 11/21
9:10 pm-11:50 am
Nonstop8h 40m
London Heathrow
Thu 11/26
2:50 pm-6:45 pm
Nonstop9h 55m
CalgaryLondon
YYC Calgary - LHR London Heathrow
YYCLHR
Calgary
Sun 11/8
9:10 pm-11:50 am
Nonstop8h 40m
London Heathrow
Thu 11/19
2:50 pm-6:45 pm
Nonstop9h 55m
CalgaryLondon
YYC Calgary - LHR London Heathrow
YYCLHR
Calgary
Sun 11/8
9:10 pm-11:50 am
Nonstop8h 40m
London Heathrow
Fri 11/20
2:50 pm-6:45 pm
Nonstop9h 55m
CalgaryLondon
YYC Calgary - LHR London Heathrow
YYCLHR
Calgary
Fri 3/5
10:10 pm-11:50 am
Nonstop7h 40m
London Heathrow
Tue 3/9
8:50 pm-4:50 pm
2 stops26h 00m
CalgaryLondon
YYC Calgary - LHR London Heathrow
YYCLHR
Calgary
Wed 1/13
10:10 pm-11:50 am
Nonstop7h 40m
London Heathrow
Sat 1/23
5:25 pm-4:50 pm
3 stops29h 25m
CalgaryLondon
YYC Calgary - LHR London Heathrow
YYCLHR
Calgary
Tue 2/9
10:10 pm-11:50 am
Nonstop7h 40m
London Heathrow
Tue 2/23
8:50 pm-4:50 pm
2 stops26h 00m
CalgaryLondon
YYC Calgary - LHR London Heathrow
YYCLHR
Calgary
Tue 10/27
6:30 pm-9:20 am
Nonstop8h 50m
London Heathrow
Fri 11/13
2:30 pm-12:39 am
1 stop16h 09m
CalgaryLondon
YYC Calgary - LHR London Heathrow
YYCLHR
Calgary
Tue 10/27
12:00 pm-11:50 am
1 stop17h 50m
London Heathrow
Fri 11/13
2:30 pm-11:29 pm
1 stop14h 59m
CalgaryLondon
YYC Calgary - LHR London Heathrow
YYCLHR
Calgary
Wed 11/4
6:30 pm-8:20 am
Nonstop7h 50m
London Heathrow
Sat 11/7
1:25 pm-5:55 pm
Nonstop10h 30m
CalgaryLondon
YYC Calgary - LHR London Heathrow
YYCLHR
Calgary
Wed 11/18
6:30 pm-8:20 am
Nonstop7h 50m
London Heathrow
Sat 11/28
1:25 pm-5:55 pm
Nonstop10h 30m
See travel insights to London from
How to get the cheapest flight ticket from Calgary to London Heathrow Airport
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the typical price of a round-trip flight between Calgary and London Heathrow Airport?
Prices are currently low for flights on this route.
Typical prices usually range from $634 to $972.The lowest price recently found on this route was $540.
What is the cheapest month to fly to London Heathrow Airport?
The month of January is, on average, the cheapest month to fly to London Heathrow Airport from Calgary, with most prices found around $558. If you’re not able to fly to London Heathrow Airport in January, then February is your next best option. Flight prices from Calgary to London Heathrow Airport during February average around $585.
What is the cheapest day to depart on your flight to London Heathrow Airport?
Our data shows that Monday is the least expensive day to fly to London Heathrow Airport. Tickets to fly out on this day can be as low as $1,056. The most expensive day to fly to London Heathrow Airport is Sunday, with ticket prices averaging around $1,179.
What is the cheapest time of day to depart on your flight to London Heathrow Airport?
According to our data, the cheapest time of day to fly to London Heathrow Airport is in the evening. momondo users have found flights departing from Calgary to London Heathrow Airport in the evening for as low as $1,039. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights in the afternoon are often more expensive with an average ticket price of $1,526.
What is the cheapest Calgary to London Heathrow flight route?
Fly from Calgary to London Heathrow for the best Calgary - London Heathrow flight prices
How far in advance should I book a flight from Calgary to London Heathrow Airport?
You are more likely to see cheaper flights to London Heathrow Airport from Calgary when booking weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around $847 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London Heathrow Airport from Calgary for as low as $777 on momondo.
What cabin class options are available on Calgary to London Heathrow Airport flights?
There are 4 cabin classes available to choose from on Calgary to London Heathrow Airport flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from Calgary to London Heathrow?
British Airways is the most popular carrier operating from Calgary to London Heathrow
What airlines fly to London Heathrow Airport?
WestJet, Air Canada and Lufthansa are the top three most popular airlines that fly to London Heathrow Airport from Calgary according to our data. WestJet is the first choice among our users, with 58% of people opting to fly with this airline when traveling to London Heathrow Airport. Keep in mind that there are 3 different airlines that fly to London Heathrow Airport on a routine basis, so you have a few additional options to choose from.
How often are flights from Calgary to London delayed?
Historically, on average around 17% of flights between Calgary and London have experienced a delay on any given week. The average delay length over the past 12 months has been 138 minutes.
What is the most punctual flight time for Calgary to London flights?
Generally, flights departing in the evening tend to experience fewer delays. Flights at night have, in the past, seen delays more frequently in comparison.
What day of the week experiences the fewest flight delays on this route?
Monday is statistically the day of the week which experiences the fewest number of delays on this flight route. Friday has historically seen more delays on average compared to the rest of the week.
Which airline has the best punctuality record on Calgary to London flights?
According to our data, Air Canada have had the least number of delays on this route over the last 12 months; with about 14% of their flights experiencing any sort of delay.
How many flights depart from Calgary to London Heathrow Airport on average per day?
The number of flights available between Calgary and London Heathrow Airport is 11 per day as of October 2026. The most frequent departure time is 7:00PM, with 100% of daily flights leaving in the evening.
How many flights depart from Calgary to London Heathrow Airport on average per week?
The number of flights available between Calgary and London Heathrow Airport is 82 per week as of October 2026. The most frequent departure day is Mon, with 15% of weekly flights leaving on this day.
When to book flights from Calgary to London Heathrow Airport
Cheap Calgary to London Heathrow Airport (YYC to LHR) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Calgary to London Heathrow Airport
Frequently asked questions about flying from Calgary to London Heathrow Airport
How far is Calgary to London Heathrow by plane?
Calgary and London Heathrow are 4360.9 mi apart from one another. By plane, this route typically takes 7h 40m.
When did momondo last update prices for flights from Calgary Airport to London Heathrow Airport?
Prices for flights from Calgary Airport to London Heathrow Airport are updated daily.
How many operators does momondo search for flights from Calgary Airport to London Heathrow Airport?
The number of operators available for flights from Calgary Airport to London Heathrow Airport is 3 as of October 2026.
How old do you have to be to fly from Calgary Airport to London Heathrow Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Calgary Airport to London Heathrow Airport.
What documentation or ID do you need to fly to London Heathrow Airport?
The travel and health documents required for your trip to London Heathrow Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at London Heathrow Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from Calgary to London Heathrow Airport?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Calgary to London Heathrow Airport is Airbus A330-300 (78.23% of total bookings). The next most popular plane models are Boeing 787-8 Dreamliner (8.83%), Boeing 787-9 Dreamliner (4.42%), and Boeing 777-300ER (3.94%).
What is the most popular airline from Calgary to London Heathrow Airport?
momondo data reveals that the most frequently booked airline on the route from Calgary to London Heathrow Airport is WestJet, representing 58% of all bookings. The subsequent popular airlines are Air Canada at 34% and Lufthansa at 8%.
Best airlines flying from Calgary to London Heathrow Airport
Compare and see reviews for airlines that fly from Calgary to London Heathrow Airport with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom $361 | Free Cancellation | Rating 7.1 11,748 reviews | |||
| PriceFrom $535 | Free Cancellation | Rating 6.8 8,269 reviews | |||
| PriceFrom $540 | Free Cancellation | Rating 7.2 3,452 reviews |
WestJet Flights From Calgary to London Heathrow Airport
WestJet flight deals from Calgary to London Heathrow Airport start from $540 round-trip. Over the 7 WestJet flights for this route in a normal week, average airfare is usually $976 round-trip - but some users have found much cheaper deals with momondo.
Air Canada Flights From Calgary to London Heathrow Airport
Air Canada (7.1/10 from 11,748 reviews) operates around 5 flights from Calgary to London Heathrow Airport in any given week. The average Air Canada airfare for this route is around $978, with deals from around $361 rare but found on momondo. Referenced prices are for round-trip Calgary to London Heathrow Airport flight searches in the last 72 hours.
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Why should I use momondo to find a flight deal from Calgary to London?
Finding the right flight to London from Calgary is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to London quick and easy, saving you time and money.
Can I find flights from Calgary to London with flexible booking policies on momondo?
All flight searches from Calgary to London on momondo can be filtered to show those which offer flexible booking policies.
How can momondo help me find flights from Calgary to London?
momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Calgary to London.
I’m not ready to book a flight from Calgary to London right now. Can momondo alert me if prices change?
Of course. momondo tracks the price of Calgary to London flights. All you need is a valid email address and we will do the rest; it is that quick and easy.