Cheap flights from Calgary to London from $154

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 2/4. 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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0 bags

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WestJet Logo
9:10 pm - 12:50 pmYYC-LHR
8h 40mnonstop
WestJet Logo
2:50 pm - 5:40 pmLHR-YYC
8h 50mnonstop
$485WestJet
Find Deal
Thu, Mar 5 - Mon, Mar 9
Multiple Airlines Logo
9:10 pm - 12:50 pmYYC-LHR
8h 40mnonstop
Multiple Airlines Logo
8:50 pm - 3:45 pmLHR-YYC
25h 55m2 stops
$518Multiple Airlines
Find Deal
Sun, Jan 18 - Sat, Jan 31
Lufthansa Logo
6:25 pm - 10:10 amYYC-LHR
8h 45mnonstop
Lufthansa Logo
1:25 pm - 11:44 pmLHR-YYC
17h 19m1 stop
$548Lufthansa
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Sun, Jan 18 - Sat, Jan 31
United Airlines Logo
3:30 pm - 5:55 amYYC-LHR
31h 25m2 stops
United Airlines Logo
11:10 am - 11:35 amLHR-YYC
31h 25m2 stops
$573United Airlines
Find Deal
Sun, Jan 25 - Mon, Feb 2
Multiple Airlines Logo
8:35 pm - 12:05 pmYYC-LHR
8h 30mnonstop
Multiple Airlines Logo
8:50 pm - 4:55 pmLHR-YYC
27h 05m2 stops
$574Multiple Airlines
Find Deal
Sun, Apr 26 - Mon, Apr 27
WestJet Logo
9:10 pm - 12:50 pmYYC-LHR
8h 40mnonstop
WestJet Logo
2:50 pm - 4:55 pmLHR-YYC
9h 05mnonstop
$576WestJet
Find Deal
Wed, Dec 10 - Thu, Jan 29
United Airlines Logo
6:45 am - 6:40 amYYC-LHR
16h 55m2 stops
United Airlines Logo
12:45 pm - 1:08 pmLHR-YYC
31h 23m2 stops
$584United Airlines
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Sun, Jan 18 - Sat, Jan 31
United Airlines Logo
12:37 pm - 10:50 amYYC-LHR
15h 13m2 stops
United Airlines Logo
1:35 pm - 2:21 pmLHR-YYC
31h 46m2 stops
$585United Airlines
Find Deal
Wed, Feb 4 - Mon, Feb 16
Air Canada Logo
4:30 pm - 11:50 amYYC-LHR
12h 20m1 stop
Air Canada Logo
3:00 pm - 6:00 pmLHR-YYC
9h 00mnonstop
$587Air Canada
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Thu, Mar 5 - Mon, Mar 9
United Airlines Logo
6:45 am - 6:40 amYYC-LHR
16h 55m2 stops
United Airlines Logo
7:30 am - 7:12 pmLHR-YYC
18h 42m2 stops
$591United Airlines
Find Deal
Wed, Jan 21 - Wed, Feb 25

WestJet flights from Calgary to London Heathrow Airport

Our best WestJet deals on Calgary to London Heathrow Airport flight tickets
WestJet
Nov 30
YYC9:10 pmCalgary
8h 40m
LHR12:50 pmLondon Heathrow
Dec 5
LHR2:50 pmLondon Heathrow
9h 05m
YYC4:55 pmCalgary
WestJet
Nov 30
YYC9:10 pmCalgary
8h 40m
LHR12:50 pmLondon Heathrow
Dec 4
LHR2:50 pmLondon Heathrow
9h 05m
YYC4:55 pmCalgary
WestJet
Nov 29
YYC9:10 pmCalgary
8h 40m
LHR12:50 pmLondon Heathrow
Dec 6
LHR2:50 pmLondon Heathrow
9h 05m
YYC4:55 pmCalgary

United Airlines flights from Calgary to London Heathrow Airport

Our best United Airlines deals on Calgary to London Heathrow Airport flight tickets
United Airlines
Jan 25
YYC3:30 pmCalgary
31h 25m
2 stops
LHR5:55 amLondon Heathrow
Feb 2
LHR11:10 amLondon Heathrow
31h 25m
2 stops
YYC11:35 amCalgary
United Airlines
Dec 2
YYC6:15 amCalgary
19h 55m
2 stops
LHR9:10 amLondon Heathrow
Dec 7
LHR4:20 pmLondon Heathrow
29h 01m
2 stops
YYC2:21 pmCalgary
United Airlines
Dec 2
YYC6:15 amCalgary
21h 10m
2 stops
LHR10:25 amLondon Heathrow
Dec 9
LHR9:10 amLondon Heathrow
17h 10m
1 stop
YYC7:20 pmCalgary

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 832,500 searches. Data last updated November 26, 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

Thu 3/5

9:10 pm-12:50 pm

Nonstop8h 40m

London Heathrow

Mon 3/9

2:50 pm-5:40 pm

Nonstop8h 50m

$485

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Sun 1/18

9:10 pm-12:50 pm

Nonstop8h 40m

London Heathrow

Sat 1/31

8:50 pm-3:45 pm

2 stops25h 55m

$518

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Sun 1/18

6:25 pm-10:10 am

Nonstop8h 45m

London Heathrow

Sat 1/31

1:25 pm-11:44 pm

1 stop17h 19m

$548

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Sun 1/25

3:30 pm-5:55 am

2 stops31h 25m

London Heathrow

Mon 2/2

11:10 am-11:35 am

2 stops31h 25m

$573

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Sun 4/26

8:35 pm-12:05 pm

Nonstop8h 30m

London Heathrow

Mon 4/27

8:50 pm-4:55 pm

2 stops27h 05m

$574

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Wed 12/10

9:10 pm-12:50 pm

Nonstop8h 40m

London Heathrow

Thu 1/29

2:50 pm-4:55 pm

Nonstop9h 05m

$576

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Sun 1/18

6:45 am-6:40 am

2 stops16h 55m

London Heathrow

Sat 1/31

12:45 pm-1:08 pm

2 stops31h 23m

$584

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Wed 2/4

12:37 pm-10:50 am

2 stops15h 13m

London Heathrow

Mon 2/16

1:35 pm-2:21 pm

2 stops31h 46m

$585

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Thu 3/5

4:30 pm-11:50 am

1 stop12h 20m

London Heathrow

Mon 3/9

3:00 pm-6:00 pm

Nonstop9h 00m

$587

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Wed 1/21

6:45 am-6:40 am

2 stops16h 55m

London Heathrow

Wed 2/25

7:30 am-7:12 pm

2 stops18h 42m

$591

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 January is, on average, the cheapest month to fly to London Heathrow Airport from Calgary, with most prices found around $559. 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 $559.

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

Our data shows that Friday is the least expensive day to fly to London Heathrow Airport. Tickets to fly out on this day can be as low as $891. The most expensive day to fly to London Heathrow Airport is Saturday, with ticket prices averaging around $1,089.

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 $882. 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 $1,377.

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 $772 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 $687 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 November 2025, prices for Calgary to London Heathrow Airport flights are approximately 17% cheaper 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

$211

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 $211. The best round-trip flight deal from Calgary to London Heathrow Airport found on momondo in the last 72 hours is $627.
The fastest flight from Calgary to London Heathrow Airport takes 8h 30m
Direct flights go from Calgary to London Heathrow Airport every day.
  • 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 8h 30m.

  • 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?

  • 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?

  • 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 $466Free CancellationRating
7.2
3,173 reviews
Search WestJet flights
Air CanadaPriceFrom $542Free CancellationRating
7.1
10,476 reviews
Search Air Canada flights
LufthansaPriceFrom $560Free CancellationRating
6.8
7,594 reviews
Search Lufthansa flights
British AirwaysPriceFrom $698Free CancellationRating
6.7
7,539 reviews
Search British Airways flights
  • WestJet Flights From Calgary to London Heathrow Airport

    WestJet flight deals from Calgary to London Heathrow Airport start from $466 round-trip. Over the 7 WestJet flights for this route in a normal week, average airfare is usually $838 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 10,476 reviews) operates around 7 flights from Calgary to London Heathrow Airport in any given week. The average Air Canada airfare for this route is around $805, with deals from around $542 rare but found on momondo. Referenced prices are for round-trip Calgary to London Heathrow Airport flight searches in the last 72 hours.

Traveling to a place near London?

Book flights to London if you plan to visit one of these locations
Gatwick
Hounslow
Milton Keynes
Dover
Luton
Slough
Guildford
Hayes
Dartford
Stratford-upon-Avon
Crawley
Brentwood
Chelmsford
Salisbury
Wembley
Romford
Watford
Ilford
Swindon
Cobham

Why use momondo?

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.

An easier way to manage your London Heathrow Airport trip

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1 adult
Fri 12/26
Fri 1/2

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