Q: What is the typical price of a round-trip flight between Calgary and London?

Prices are currently low for flights on this route. Typical prices usually range from $686 to $1,056. The lowest price recently found on this route was $451.

Question 1

What day of the week experiences the fewest flight delays on this route?

Accepted Answer

Wednesday is statistically the day of the week which experiences the fewest number of delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.

Question 2

What is the typical price of a round-trip flight between Calgary and London?

Accepted Answer

Prices are currently low for flights on this route.Typical prices usually range from $686 to $1,056.
The lowest price recently found on this route was $451.

Question 3

What is the cheapest day to depart on your flight to London?

Accepted Answer

The cheapest day to depart from Calgary to London is on a Wednesday. Travelers who choose to depart for London on a Wednesday will often find tickets for as low as $824. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $1,104. These prices are subject to change though, so be sure to set up a Price Alert for flights to London.

Question 4

What is the cheapest airline that flies from Calgary to London?

Accepted Answer

WestJet is the most popular carrier operating from Calgary to London

Question 5

Which layover airport offers the lowest fares from Calgary to London?

Accepted Answer

Flights via Toronto (YYZ) offer the lowest average round-trip price of $616.

Question 6

Which airline has the best punctuality record on Calgary to London flights?

Accepted Answer

According to our data, Air Canada have had the least number of delays on this route over the last 12 months; with about 13% of their flights experiencing any sort of delay.

Question 7

What is the cheapest time of day to depart on your flight to London?

Accepted Answer

Flying to London from Calgary in the morning is the least expensive time of day to depart. momondo users have found prices as low as $795 when looking at flights departing in the morning. Flights to London are more costly in the afternoon, with an average ticket price of $1,343. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

Question 8

Which layover airport has the shortest travel time from Calgary to London?

Accepted Answer

Flights connecting via Amsterdam (AMS) have the shortest average one-way travel time: 12h 30m.

Question 9

What is the cheapest month to fly to London?

Accepted Answer

The cheapest month to fly to London from Calgary is in January. Flight prices, which tend to average around $538, are often lower during this time because this is during the off-season. The month of February is another great option to travel to London, with average flight prices from Calgary averaging around $547.

Question 10

How many flights depart from Calgary to London on average per day?

Accepted Answer

As of December 2025, there are 12 flights per day flying from Calgary to London. The most common time of day flights depart is 6:00PM, with 100% of flights taking off in the evening.

Question 11

What cabin class options are available on Calgary to London flights?

Accepted Answer

There are 3 cabin classes available to choose from on Calgary to London flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Question 12

Can stopping save me money on Calgary to London flights?

Accepted Answer

No. A direct flight is the cheapest option for a flight between Calgary to London.

Question 13

What is the cheapest Calgary to London flight route?

Accepted Answer

Fly from Calgary to London Heathrow for the best Calgary - London flight prices

Question 14

How often are flights from Calgary to London delayed?

Accepted Answer

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 132 minutes.

Question 15

What is the most punctual flight time for Calgary to London flights?

Accepted Answer

Generally, flights departing in the evening tend to experience fewer delays. Flights in the early afternoon have, in the past, seen delays more frequently in comparison.

Question 16

Which layover airport has the shortest connection time from Calgary to London?

Accepted Answer

Amsterdam (AMS) has the shortest average layover time for this route: 2h 00m.

Question 17

Which airport is the most popular layover for flights between Calgary and London?

Accepted Answer

Dallas (DFW) was the most common stop: 40% of momondo users choosing 1-stop flights on this route connected there.

Question 18

How many flights depart from Calgary to London on average per week?

Accepted Answer

As of December 2025, 84 flights take off from Calgary and land in London each week. The most common flight departure day for this route is Mon, with 14% of weekly flights taking off on this day.

Question 19

How far in advance should I book a flight to London?

Accepted Answer

You are more likely to see cheaper flights to London from Calgary when booking weeks ahead of your departure date. In general, you can expect to find flights to London for around $765 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London from Calgary for as low as $681 on momondo.

Question 20

How have Calgary to London flight prices changed over time?

Accepted Answer

As of December 2025, prices for Calgary to London flights are approximately 7% cheaper when compared to flights at the same time last year.

Question 21

What airlines fly to London?

Accepted Answer

WestJet, Air Canada and Lufthansa are the top three most popular airlines that fly to London from Calgary according to our data. WestJet is the first choice among our users, with 46% of people opting to fly with this airline when traveling to London. Keep in mind that there are 4 different airlines that fly to London on a routine basis, so you have a few additional options to choose from.

Question 22

When did momondo last update prices for flights from Calgary Airport to London?

Accepted Answer

Prices for flights from Calgary Airport to London are updated daily.

Question 23

How many operators does momondo search for flights from Calgary Airport to London?

Accepted Answer

The number of operators available for flights from Calgary Airport to London is 4 as of December 2025.

Question 24

How old do you have to be to fly from Calgary Airport to London?

Accepted Answer

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.

Question 25

What documentation or ID do you need to fly to London?

Accepted Answer

The travel and health documents required for your trip to London 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. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best Price Found	$326
Fastest flight time	8h 45m
Direct flights	Every day
Airports in London	6 airports

Airline	Rating	Free Cancellation	Price
WestJet	PriceFrom $476	Free Cancellation	Rating 7.2 3,204 reviews	Search WestJet flights
Air Canada	PriceFrom $540	Free Cancellation	Rating 7.1 10,534 reviews	Search Air Canada flights
Lufthansa	PriceFrom $560	Free Cancellation	Rating 6.8 7,635 reviews	Search Lufthansa flights
British Airways	PriceFrom $698	Free Cancellation	Rating 6.7 7,585 reviews	Search British Airways flights

Cheap flights from Calgary to London from $184

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 1/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Calgary to London

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Cheap direct flights

United Airlines flights from Calgary to London

Our best United Airlines deals on Calgary to London flight tickets

KLM flights from Calgary to London

Our best KLM deals on Calgary to London flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from Calgary to London that are best for you.

See travel insights to London from

How to get the cheapest flight ticket from Calgary to London