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Cheap flights from Calgary to London from C$ 233

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 9/12. 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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Find the cheapest flights from Calgary to London

Cheap round-trip flights

Air Canada Logo
8:00 a.m. - 11:50 a.m.YYC-LHR
20h 50m1 stop
Air Canada Logo
11:10 a.m. - 12:14 a.m.LHR-YYC
20h 04m1 stop
C$ 734Air Canada
Find Deal
Sat, 15 Nov - Fri, 21 Nov
Logo
1:10 a.m. - 9:35 a.m.YYC-LHR
25h 25m1 stop
Logo
3:00 p.m. - 5:00 p.m.LHR-YYC
9h 00mdirect
C$ 735
Find Deal
Thu, 23 Oct - Tue, 4 Nov
Logo
6:25 p.m. - 10:10 a.m.YYC-LHR
8h 45mdirect
Logo
7:40 a.m. - 8:39 p.m.LHR-YYC
19h 59m2 stops
C$ 736
Find Deal
Fri, 13 Feb - Sat, 21 Feb
Logo
4:30 p.m. - 11:50 a.m.YYC-LHR
12h 20m1 stop
Logo
7:30 a.m. - 3:25 p.m.LHR-YYC
14h 55m1 stop
C$ 738
Find Deal
Sat, 15 Nov - Sat, 22 Nov
WestJet Logo
9:10 p.m. - 12:50 p.m.YYC-LHR
8h 40mdirect
WestJet Logo
2:50 p.m. - 5:40 p.m.LHR-YYC
8h 50mdirect
C$ 742WestJet
Find Deal
Mon, 2 Mar - Thu, 12 Mar
Lufthansa Logo
4:30 p.m. - 11:50 a.m.YYC-LHR
12h 20m1 stop
Lufthansa Logo
3:00 p.m. - 5:00 p.m.LHR-YYC
9h 00mdirect
C$ 749Lufthansa
Find Deal
Wed, 12 Nov - Sun, 30 Nov
Lufthansa Logo
12:45 p.m. - 7:10 a.m.YYC-LHR
11h 25m1 stop
Lufthansa Logo
6:30 a.m. - 3:25 p.m.LHR-YYC
15h 55m1 stop
C$ 760Lufthansa
Find Deal
Sun, 11 Jan - Wed, 11 Feb
Brussels Airlines Logo
5:45 a.m. - 5:05 p.m.YYC-LHR
28h 20m2 stops
Brussels Airlines Logo
6:50 a.m. - 4:04 p.m.LHR-YYC
16h 14m2 stops
C$ 761Brussels Airlines
Find Deal
Sat, 15 Nov - Sat, 22 Nov
WestJet Logo
9:10 p.m. - 12:50 p.m.YYC-LHR
8h 40mdirect
WestJet Logo
2:50 p.m. - 4:55 p.m.LHR-YYC
9h 05mdirect
C$ 768WestJet
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Thu, 20 Nov - Sat, 22 Nov
SWISS Logo
5:45 a.m. - 11:15 a.m.YYC-LHR
22h 30m2 stops
SWISS Logo
9:00 a.m. - 8:39 p.m.LHR-YYC
18h 39m2 stops
C$ 786SWISS
Find Deal
Mon, 10 Nov - Fri, 21 Nov

WestJet flights from Calgary to London Heathrow Airport

Our best WestJet deals on Calgary to London Heathrow Airport flight tickets
WestJet
2 Mar
YYC9:10 p.m.Calgary
8h 40m
LHR12:50 p.m.London Heathrow
12 Mar
LHR2:50 p.m.London Heathrow
8h 50m
YYC5:40 p.m.Calgary
C$ 742
Find similar
WestJet
20 Nov
YYC9:10 p.m.Calgary
8h 40m
LHR12:50 p.m.London Heathrow
22 Nov
LHR2:50 p.m.London Heathrow
9h 05m
YYC4:55 p.m.Calgary
C$ 768
Find similar
WestJet
9 Mar
YYC10:10 p.m.Calgary
8h 40m
LHR12:50 p.m.London Heathrow
12 Mar
LHR2:50 p.m.London Heathrow
8h 50m
YYC5:40 p.m.Calgary
C$ 797
Find similar

Lufthansa flights from Calgary to London Heathrow Airport

Our best Lufthansa deals on Calgary to London Heathrow Airport flight tickets
Lufthansa
12 Nov
YYC4:30 p.m.Calgary
12h 20m
1 stop
LHR11:50 a.m.London Heathrow
30 Nov
LHR3:00 p.m.London Heathrow
9h 00m
YYC5:00 p.m.Calgary
C$ 749
Find similar
Lufthansa
11 Jan
YYC12:45 p.m.Calgary
11h 25m
1 stop
LHR7:10 a.m.London Heathrow
11 Feb
LHR6:30 a.m.London Heathrow
15h 55m
1 stop
YYC3:25 p.m.Calgary
C$ 760
Find similar
Lufthansa
29 Sep
YYC8:00 a.m.Calgary
19h 00m
1 stop
LHR10:00 a.m.London Heathrow
22 Oct
LHR10:15 a.m.London Heathrow
8h 55m
YYC12:10 p.m.Calgary
C$ 1,003
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momondo Fare Finder

 
Customize your flight search to find flights from Calgary to London Heathrow Airport that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 96,600 searches. Data last updated 15 September 2025.
Use the filters below to find and compare flights from Calgary to London Heathrow Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Sat 15/11

8:00 a.m.-11:50 a.m.

1 stop20h 50m

London Heathrow

Fri 21/11

11:10 a.m.-12:14 a.m.

1 stop20h 04m

C$ 734

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Thu 23/10

1:10 a.m.-9:35 a.m.

1 stop25h 25m

London Heathrow

Tue 4/11

3:00 p.m.-5:00 p.m.

Nonstop9h 00m

C$ 735

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Fri 13/2

6:25 p.m.-10:10 a.m.

Nonstop8h 45m

London Heathrow

Sat 21/2

7:40 a.m.-8:39 p.m.

2 stops19h 59m

C$ 736

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Sat 15/11

4:30 p.m.-11:50 a.m.

1 stop12h 20m

London Heathrow

Sat 22/11

7:30 a.m.-3:25 p.m.

1 stop14h 55m

C$ 738

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Mon 2/3

9:10 p.m.-12:50 p.m.

Nonstop8h 40m

London Heathrow

Thu 12/3

2:50 p.m.-5:40 p.m.

Nonstop8h 50m

C$ 742

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Wed 12/11

4:30 p.m.-11:50 a.m.

1 stop12h 20m

London Heathrow

Sun 30/11

3:00 p.m.-5:00 p.m.

Nonstop9h 00m

C$ 749

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Sun 11/1

12:45 p.m.-7:10 a.m.

1 stop11h 25m

London Heathrow

Wed 11/2

6:30 a.m.-3:25 p.m.

1 stop15h 55m

C$ 760

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Sat 15/11

5:45 a.m.-5:05 p.m.

2 stops28h 20m

London Heathrow

Sat 22/11

6:50 a.m.-4:04 p.m.

2 stops16h 14m

C$ 761

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Thu 20/11

9:10 p.m.-12:50 p.m.

Nonstop8h 40m

London Heathrow

Sat 22/11

2:50 p.m.-4:55 p.m.

Nonstop9h 05m

C$ 768

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Mon 10/11

5:45 a.m.-11:15 a.m.

2 stops22h 30m

London Heathrow

Fri 21/11

9:00 a.m.-8:39 p.m.

2 stops18h 39m

C$ 786

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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?

What is the cheapest month to fly to London Heathrow Airport?

The month of February is, on average, the cheapest month to fly to London Heathrow Airport from Calgary, with most prices found around C$ 772. If you aren’t able to travel to London Heathrow Airport during the month of February, then flying in January is also cheap. Prices for this month can be found on momondo for an average of C$ 775.

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

According to our data, Thursday is the cheapest day to fly to London Heathrow Airport from Calgary. The lowest ticket price found for a Thursday departure recently was C$ 1,256. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Calgary to London Heathrow Airport for around C$ 1,352.

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

Our data shows that the cheapest Calgary to London Heathrow Airport flights are usually those with departure times in the morning. Our users have found flights to London Heathrow Airport in the morning for as low as C$ 1,139. In the afternoon is when there is more demand to fly to London Heathrow Airport, so prices are often more expensive at around C$ 1,882 per ticket.

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 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 C$ 1,061 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 C$ 947 on momondo.

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

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

How have Calgary to London Heathrow Airport flight prices changed over time?

As of September 2025, prices for Calgary to London Heathrow Airport flights are approximately 0% more expensive when compared to flights at the same time last year.

When to book flights from Calgary to London Heathrow Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Calgary to London Heathrow Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

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

Best price found

C$ 400

Fastest flight time

8h 30m

Direct flights

Every day
The best one-way flight to London Heathrow Airport from Calgary in the past 72 hours is C$ 400. The best round-trip flight deal from Calgary to London Heathrow Airport found on momondo in the last 72 hours is C$ 743.
The fastest flight from Calgary to London Heathrow Airport takes 8h 30m
Direct flights go from Calgary to London Heathrow Airport every day.
Search flight deals

  • How far is Calgary to London Heathrow by plane?

    The straight-line distance from Calgary to London Heathrow is 7018.1 km. Typically, this will take 8h 30m by plane in normal conditions.

  • 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 refreshed on a daily basis.

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

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify 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?

  • What is the most popular airline from Calgary to London Heathrow Airport?

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
WestJetPriceFrom C$ 632Free CancellationRating
7.2
3,091 reviews
Search WestJet flights
Virgin AtlanticPriceFrom C$ 709Free CancellationRating
7.4
664 reviews
Search Virgin Atlantic flights
LufthansaPriceFrom C$ 768Free CancellationRating
6.8
7,409 reviews
Search Lufthansa flights
Air CanadaPriceFrom C$ 774Free CancellationRating
7.1
10,000 reviews
Search Air Canada flights
KLMPriceFrom C$ 781Free CancellationRating
7.8
1,385 reviews
Search KLM flights
British AirwaysPriceFrom C$ 980Free CancellationRating
6.6
7,361 reviews
Search British Airways flights

  • WestJet Flights From Calgary to London Heathrow Airport

    WestJet operates around 7 flights from Calgary to London Heathrow Airport every week. The average price of these flights found in the last 72 hours has been C$ 740, but momondo users have found WestJet deals from Calgary to London Heathrow Airport from as low as C$ 457 round-trip. WestJet has been scored 7.2/10 in 3,091 reviews.

  • Air Canada Flights From Calgary to London Heathrow Airport

    The best Air Canada deal for Calgary to London Heathrow Airport flight tickets found on momondo in the last 72 hours was C$ 559, round-trip. It should be noted that an average Air Canada flight deal for this route in this time was higher, at C$ 818 round-trip. Air Canada operates 7 flights out of Calgary into London Heathrow Airport in an average week, so prices vary by time and availability. 10,000 Air Canada reviews by users on momondo have scored the airline at 7.1/10.

Travelling to a place near London?

Book flights to London if you plan to visit one of these locations
Hounslow
Ipswich
Poole
Gatwick
Dartford
Crawley
Ilford
Wembley
Swindon
Maidstone
Chelmsford
Wokingham
Slough
Canterbury
Stratford-upon-Avon
Feltham
Hayes
Uxbridge
Waterlooville
Newport

Why use momondo?

Why should I use momondo to find a flight deal from Calgary to London?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Calgary to London for you.

Can I find flights from Calgary to London with flexible booking policies on momondo?

momondo does allow users to show only those flights to London from Calgary which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Calgary to London?

momondo helps you find the best flight between Calgary and London by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Calgary to London right now. Can momondo alert me if prices change?

If you are simply researching potential flights to London, momondo offers a useful price alert feature which will track prices for flights to London from Calgary and alert you when they change.

An easier way to manage your London Heathrow Airport trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
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