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Cheap flights from Calgary to London Heathrow Airport from £120

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 30/11. Fares are subject to change and may not be available on all flights or dates of travel.
YYC — LHR
14 déc. — 21 déc.1
1 adult
1 adult, Economy, 0 bags

Cheapflights Tip: The best prices from Calgary to London Heathrow are usually found in January or February, booked 86 days in advance, depart on a Saturday or Wednesday and return on a Monday

Find flight deals from Calgary to Heathrow

Enter your travel dates to find the best prices.

Cheapest flights from Calgary to Heathrow
Explore the most affordable flight options available from Calgary to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 14 novembre 2025.

mer. 12/1109:00YYC - LHR
1 stop17h 20mMultiple Airlines
mer. 19/1109:30LHR - YYC
1 stop12h 55mMultiple Airlines
Deal found 11/11£358
dim. 30/1121:10YYC - LHR
Nonstop8h 40mWestJet
jeu. 4/1214:50LHR - YYC
Nonstop9h 05mWestJet
Deal found 13/11£364
lun. 17/1121:10YYC - LHR
Nonstop8h 40mWestJet
mer. 3/1214:50LHR - YYC
Nonstop9h 05mWestJet
Deal found 13/11£366
ven. 14/1119:50YYC - LHR
1 stop33h 00mMultiple Airlines
mer. 3/1206:00LHR - YYC
2 stops24h 44mMultiple Airlines
Deal found 10/11£378
ven. 14/1116:30YYC - LHR
1 stop12h 20mMultiple Airlines
ven. 21/1109:00LHR - YYC
2 stops21h 44mMultiple Airlines
Deal found 12/11£379
mer. 12/1106:00YYC - LHR
1 stop22h 50mMultiple Airlines
ven. 21/1109:00LHR - YYC
2 stops21h 44mMultiple Airlines
Deal found 11/11£380
mar. 18/1118:25YYC - LHR
Nonstop8h 45mMultiple Airlines
mar. 25/1109:00LHR - YYC
2 stops21h 44mMultiple Airlines
Deal found 13/11£381
sam. 29/1105:35YYC - LHR
1 stop18h 35mMultiple Airlines
mer. 3/1206:00LHR - YYC
2 stops21h 39mMultiple Airlines
Deal found 13/11£383
sam. 22/1121:35YYC - LHR
1 stop31h 15mMultiple Airlines
jeu. 4/1218:40LHR - YYC
2 stops32h 59mMultiple Airlines
Deal found 11/11£384
ven. 28/1118:25YYC - LHR
Nonstop8h 45mMultiple Airlines
mar. 2/1206:50LHR - YYC
2 stops23h 38mMultiple Airlines
Deal found 12/11£385
mer. 12/1105:35YYC - LHR
2 stops20h 45mAir Canada
mer. 19/1109:00LHR - YYC
2 stops18h 39mAir Canada
Deal found 11/11£386

Cheap flight deals from Calgary to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Calgary (YYC) to Heathrow (LHR). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 14 novembre 2025.

Round-trip from

£348

One-way from

£120

Popular in

July

Cheapest in

January

Average price

£469

Good round-trip deal

£460 or less

Good one-way deal

£114 or less
22/1-1/2
  • 22/1-1/2
  • 1 total stop
  • 40h 10m total
  • Calgary to London
Search Deals
WestJet
  • WestJet
  • 30/11
  • Nonstop
  • 8h 40m total
  • Calgary to London
Search Deals
Highest demand for flights based on searches. 19% potential increase in price (£107 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£11 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2025
Search Deals
Price to beat on a round-trip flight from Calgary to London Heathrow.
Search Deals
Price to beat on a one-way flight from Calgary to London Heathrow.
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Calgary to Heathrow 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, Cheapflights users made 858,174 searches. Data last updated 14 novembre 2025.
Use the filters below to find and compare flights from Calgary to London Heathrow Airport that are best for you.

Fly from

Calgary

Fly to

Heathrow

Route

Depart

Return

Price

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

lun. 2/2

14:13-09:40

1 stop12h 27m

London Heathrow

sam. 14/2

12:05-13:08

1 stop32h 03m

£447

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

dim. 1/2

06:15-09:40

1 stop20h 25m

London Heathrow

sam. 14/2

12:05-13:08

1 stop32h 03m

£447

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

lun. 2/2

15:30-20:35

2 stops22h 05m

London Heathrow

dim. 8/2

11:35-21:53

1 stop17h 18m

£447

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

mar. 10/2

06:45-06:40

2 stops16h 55m

London Heathrow

mer. 18/2

12:50-11:35

2 stops29h 45m

£447

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

ven. 16/1

06:15-09:40

1 stop20h 25m

London Heathrow

sam. 31/1

16:00-11:35

2 stops26h 35m

£448

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

jeu. 15/1

14:13-09:40

1 stop12h 27m

London Heathrow

jeu. 29/1

15:10-11:35

2 stops27h 25m

£448

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

sam. 17/1

06:15-09:10

2 stops19h 55m

London Heathrow

dim. 25/1

11:35-21:53

1 stop17h 18m

£448

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

mer. 11/2

06:15-06:40

2 stops17h 25m

London Heathrow

mar. 24/2

07:30-19:20

2 stops18h 50m

£454

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

mar. 3/2

06:30-06:20

2 stops16h 50m

London Heathrow

jeu. 12/2

11:45-13:40

1 stop32h 55m

£490

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

dim. 1/2

06:30-07:05

1 stop17h 35m

London Heathrow

ven. 13/2

06:30-13:40

1 stop14h 10m

£490

Flights are sorted by cheapest return flights first.

Deals found on 11/11

Showing 1-10 of 24 results
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2
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Best time to book a flight from Calgary to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Calgary with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Calgary to London Heathrow Airport

How far ahead should I book a flight from Calgary to London Heathrow Airport?

Use this chart to determine the optimal time to book a return flight from Calgary to Heathrow. Price data was last updated on 7 November 2025.

To ensure you get the cheapest price possible for a flight from Calgary to London Heathrow Airport, you should look to book at least 86 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Calgary to London Heathrow Airport?

Currently, February is the cheapest month in which you can book a flight from Calgary to London Heathrow Airport (average of £318). Flying from Calgary to London Heathrow Airport in August is currently the most expensive (average of £594). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from YYC to LHR?

Find hourly flight availability from Calgary to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 14 novembre 2025.

A simple way to save on the total cost of your ticket is to fly from Calgary to London Heathrow Airport in the afternoon. If you’re flexible enough to do this you can expect to save up to 23% on your trip compared to booking a flight at midday.

Reviews of airlines servicing Heathrow

Get insights into the airlines that provide service to Heathrow. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Heathrow. Reviews last updated 14 novembre 2025.
Get a feel of what it's like to fly with WestJet, Air Canada, andLufthansa from Calgary to London Heathrow Airport by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
WestJet
7.2
Good
3,162 reviews
Check prices

Food

6.2

Overall

7.2

Boarding

7.4

Comfort

7.1

Crew

7.9

Entertainment

6.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

YYC - NRT

I like direct flight from Calgary to Japan. But it’s my fault, I did not decide my seat till last minute. I was in the middle seat in the middle lane, I hesitated asking to go to bathroom.
WestJet
7.2
Good
3,162 reviews
WestJet
7.2
Good
3,162 reviews
Check prices

Food

6.2

Overall

7.2

Boarding

7.4

Comfort

7.1

Crew

7.9

Entertainment

6.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

YYC - NRT

I like direct flight from Calgary to Japan. But it’s my fault, I did not decide my seat till last minute. I was in the middle seat in the middle lane, I hesitated asking to go to bathroom.
Air Canada
7.1
Good
10,450 reviews
WestJet
7.2
Good
3,162 reviews
Check prices

Food

6.2

Overall

7.2

Boarding

7.4

Comfort

7.1

Crew

7.9

Entertainment

6.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

YYC - NRT

I like direct flight from Calgary to Japan. But it’s my fault, I did not decide my seat till last minute. I was in the middle seat in the middle lane, I hesitated asking to go to bathroom.
Lufthansa
6.8
Okay
7,572 reviews
WestJet
7.2
Good
3,162 reviews
Check prices

Food

6.2

Overall

7.2

Boarding

7.4

Comfort

7.1

Crew

7.9

Entertainment

6.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

YYC - NRT

I like direct flight from Calgary to Japan. But it’s my fault, I did not decide my seat till last minute. I was in the middle seat in the middle lane, I hesitated asking to go to bathroom.

Related info for your journey

Find useful and relevant information for your journey from Calgary to Heathrow. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Calgary to London Heathrow?

    If you book a flight to London Heathrow from Calgary, you will be flying from Calgary, which is the city’s only airport. Calgary (YYC) is located 5.8 mi from the center of Calgary. There are 11 flights from Calgary to London Heathrow per day from 3 different airlines.

  • How long is the flight from Calgary to London Heathrow Airport?

    Airlines like United Airlines fly from Calgary to London Heathrow Airport in about 12h 27m. The time it takes to get you to your destination can typically vary by up to . There are 4355 mi between Calgary and London Heathrow Airport.

  • What are the cheapest airlines flying from Calgary to London Heathrow Airport round-trip?

    Currently priced at £329, WestJet will fly you from Calgary to London Heathrow Airport and back. In addition to WestJet, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Air Canada and Lufthansa - these airlines can fly you to your destination from £426 and £428, respectively. WestJet is 43% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the most reliable airlines from Calgary to London Heathrow Airport?

    Consider Air Canada (88%), Aegean Airlines (88%) or Thai Airways (88%) when booking your flight. These represent the most reliable airlines when flying from Calgary to London Heathrow Airport.

  • What are the cheapest flights from Calgary to London Heathrow Airport?

    On average you can expect to pay £326 for a flight from Calgary to London Heathrow Airport. The cheapest flight overall is £97 while the most popular route, (Calgary - London Heathrow) is currently priced at £362.

  • Can I find deals for flights from Calgary to Heathrow that include hotel bookings?

    Yes. In addition to deals on Calgary to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Calgary to Heathrow?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Calgary to Heathrow.

  • Can I find deals for business class flights from Calgary to Heathrow?

    Yes. Cheapflights offers flight deals from Calgary to Heathrow by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Calgary to London Heathrow Airport?

    Currently, February is the cheapest month in which you can book a flight from Calgary to London Heathrow Airport (average of £318). Flying from Calgary to London Heathrow Airport in August is currently the most expensive (average of £594). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Milton Keynes
Croydon
Slough
Gatwick
Hounslow
Northampton
Luton
Ilford
Wembley
Deal
Hayes
Colchester
Watford
Winchester
Swindon
Crawley
Brentford
Romford
Chichester
Ipswich

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 3 airlines flying from Calgary to Heathrow

Discover the top 3 airlines that operate flights from Calgary to Heathrow. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 14 novembre 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapest£329Average£572FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Air CanadaCheapest£426Average£677FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
LufthansaCheapest£428Average£593FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Calgary to Heathrow?

Deals for Calgary to Heathrow flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Calgary to Heathrow?

Cheapflights helps you find that perfect flight to Heathrow from Calgary by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Calgary to Heathrow with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Calgary to Heathrow flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Calgary to Heathrow become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Heathrow from Calgary today and book when prices fit your budget.

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