Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from Calgary to London Heathrow Airport from £186

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 22/6. Fares are subject to change and may not be available on all flights or dates of travel.
YYC — LHR
30 Mar — 6 Apr1
1 adult

Cheapflights Tip: The best prices from Calgary to London Heathrow are usually found in January or February, booked 50 days in advance, depart on a Wednesday or Sunday and return on a Friday

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 25 March 2025.

Round-trip from

£479

One-way from

£186

Popular in

July

Cheapest in

January

Average price

£511

Good round-trip deal

£501 or less

Good one-way deal

£223 or less
WestJet
  • WestJet
  • 6/4-19/4
  • Nonstop
  • 17h 30m total
  • Calgary to London
Search Deals
22/6
  • 22/6
  • 1 total stop
  • 19h 35m total
  • Calgary to London
Search Deals
Highest demand for flights based on searches. 22% potential increase in price (£139 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£15 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 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

Find flight deals from Calgary to Heathrow

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 25 March 2025.

Sun 30/320:25YYC - LHR
Nonstop8h 40mWestJet
Sat 19/414:10LHR - YYC
Nonstop8h 50mWestJet
Deal found 25/3£462
Fri 23/520:35YYC - LHR
Nonstop8h 30mMultiple Airlines
Mon 26/521:10LHR - YYC
1 stop24h 00mMultiple Airlines
Deal found 23/3£482
Wed 9/414:20YYC - LHR
1 stop12h 40mAir Canada
Wed 23/414:10LHR - YYC
1 stop14h 13mAir Canada
Deal found 25/3£544
Wed 5/1117:30YYC - LHR
Nonstop8h 50mLufthansa
Wed 12/1108:30LHR - YYC
1 stop13h 55mLufthansa
Deal found 24/3£551
Tue 15/411:00YYC - LHR
1 stop17h 50mAustrian Airlines
Thu 24/414:05LHR - YYC
2 stops42h 03mAustrian Airlines
Deal found 24/3£578
Mon 31/315:49YYC - LHR
2 stops21h 51mUnited Airlines
Mon 7/416:40LHR - YYC
2 stops26h 01mUnited Airlines
Deal found 23/3£593
Thu 24/411:00YYC - LHR
2 stops27h 35mBrussels Airlines
Fri 9/506:50LHR - YYC
2 stops15h 57mBrussels Airlines
Deal found 24/3£598
Tue 1/408:00YYC - LHR
2 stops22h 00mSWISS
Sat 19/420:05LHR - YYC
2 stops32h 03mSWISS
Deal found 25/3£622

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 25 March 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

Sun 6/4

20:25-12:05

Nonstop8h 40m

London Heathrow

Sat 19/4

14:10-16:00

Nonstop8h 50m

£479

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Fri 23/5

20:35-12:05

Nonstop8h 30m

London Heathrow

Mon 26/5

21:10-14:10

1 stop24h 00m

£482

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Wed 9/4

14:20-10:00

1 stop12h 40m

London Heathrow

Wed 23/4

14:10-21:23

1 stop14h 13m

£544

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Mon 14/4

20:10-11:50

Nonstop8h 40m

London Heathrow

Mon 21/4

10:15-12:10

Nonstop8h 55m

£554

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Tue 15/4

11:00-11:50

1 stop17h 50m

London Heathrow

Thu 24/4

14:05-01:08

2 stops42h 03m

£578

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Tue 15/4

15:49-06:55

2 stops32h 06m

London Heathrow

Tue 22/4

15:20-12:19

2 stops27h 59m

£593

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Thu 24/4

11:00-21:35

2 stops27h 35m

London Heathrow

Fri 9/5

06:50-15:47

2 stops15h 57m

£598

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Mon 7/4

12:00-21:45

2 stops26h 45m

London Heathrow

Tue 20/5

19:15-14:25

2 stops50h 10m

£600

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Sun 22/6

19:15-21:50

1 stop19h 35m

£186

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

Sun 4/5

20:35-12:05

Nonstop8h 30m

£234

Flights are sorted by cheapest return flights first.

Deals found on 24/3

Showing 1-10 of 15 results
1
2

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 21 March 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 50 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, January is the cheapest month in which you can book a flight from Calgary to London Heathrow Airport (average of £112). Flying from Calgary to London Heathrow Airport in August is currently the most expensive (average of £164). 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 25 March 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 35% on your trip compared to booking a flight at midday.

Weekly flight availability from Calgary to London Heathrow Airport

Explore weekly flight availability from Calgary to Heathrow. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 25 March 2025.

The most flights from YYC to LHR are scheduled on a Monday (12 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (6 on average).

Rainfall in Heathrow by month

Plan your trip to Heathrow by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in London Heathrow Airport ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London Heathrow Airport when rainfall is around 40.0 mm.

Temperature in Heathrow by month

Plan your trip to Heathrow by taking into account the average temperature totals by month.

If weather is an important factor for your trip to London Heathrow Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

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 25 March 2025.
See what other customers who have flown with Austrian Airlines, SWISS and United Airlines from Calgary to London have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Austrian Airlines
7.5
Good
769 reviews
Check prices

Comfort

7.3

Food

6.8

Entertainment

6.7

Boarding

7.6

Overall

7.5

Crew

8.1

Reviews

1 / 20
8.0
Excellent

Ely,Mar 2025

VIE - PMI

Luggage at destination was not split into priorities. Had business and only got my bag after 20 minutes, almost towards the end and I was in a rush, so the "priority" was completely ignored.
Austrian Airlines
7.5
Good
769 reviews
Austrian Airlines
7.5
Good
769 reviews
Check prices

Comfort

7.3

Food

6.8

Entertainment

6.7

Boarding

7.6

Overall

7.5

Crew

8.1

Reviews

1 / 20
8.0
Excellent

Ely,Mar 2025

VIE - PMI

Luggage at destination was not split into priorities. Had business and only got my bag after 20 minutes, almost towards the end and I was in a rush, so the "priority" was completely ignored.
SWISS
7.5
Good
1,569 reviews
Austrian Airlines
7.5
Good
769 reviews
Check prices

Comfort

7.3

Food

6.8

Entertainment

6.7

Boarding

7.6

Overall

7.5

Crew

8.1

Reviews

1 / 20
8.0
Excellent

Ely,Mar 2025

VIE - PMI

Luggage at destination was not split into priorities. Had business and only got my bag after 20 minutes, almost towards the end and I was in a rush, so the "priority" was completely ignored.
United Airlines
7.4
Good
8,605 reviews
Austrian Airlines
7.5
Good
769 reviews
Check prices

Comfort

7.3

Food

6.8

Entertainment

6.7

Boarding

7.6

Overall

7.5

Crew

8.1

Reviews

1 / 20
8.0
Excellent

Ely,Mar 2025

VIE - PMI

Luggage at destination was not split into priorities. Had business and only got my bag after 20 minutes, almost towards the end and I was in a rush, so the "priority" was completely ignored.
Brussels Airlines
7.4
Good
344 reviews
Austrian Airlines
7.5
Good
769 reviews
Check prices

Comfort

7.3

Food

6.8

Entertainment

6.7

Boarding

7.6

Overall

7.5

Crew

8.1

Reviews

1 / 20
8.0
Excellent

Ely,Mar 2025

VIE - PMI

Luggage at destination was not split into priorities. Had business and only got my bag after 20 minutes, almost towards the end and I was in a rush, so the "priority" was completely ignored.
WestJet
7.2
Good
2,785 reviews
Austrian Airlines
7.5
Good
769 reviews
Check prices

Comfort

7.3

Food

6.8

Entertainment

6.7

Boarding

7.6

Overall

7.5

Crew

8.1

Reviews

1 / 20
8.0
Excellent

Ely,Mar 2025

VIE - PMI

Luggage at destination was not split into priorities. Had business and only got my bag after 20 minutes, almost towards the end and I was in a rush, so the "priority" was completely ignored.

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 4 different airlines.

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

    Currently priced at £479, 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 £544 and £554, respectively. WestJet is 24% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from Calgary to London Heathrow Airport one-way?

    For one-way options, check prices for WestJet. According to our data, you can fly for as low as £234. Users have also found prices from £321 and £338 on Air Canada and Lufthansa, respectively.

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

    Consider Air Canada (58%), Aegean Airlines (58%) or Thai Airways (58%) 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 £471 for a flight from Calgary to London Heathrow Airport. The cheapest flight overall is £113 while the most popular route, (Calgary - London Heathrow) is currently priced at £462.

  • 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, January is the cheapest month in which you can book a flight from Calgary to London Heathrow Airport (average of £112). Flying from Calgary to London Heathrow Airport in August is currently the most expensive (average of £164). 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 Calgary?

Book flights to Calgary if you plan to visit one of these locations
Hounslow
Deal
Milton Keynes
Gatwick
Croydon
Luton
Slough
Eastbourne
Wembley
Northampton
Swindon
Hayes
Ilford
Crawley
Southend-on-Sea
Winchester
Maidstone
Ipswich
Watford
Southall

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 4 airlines flying from Calgary to Heathrow

Discover the top 4 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 25 March 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapest£353Average£590FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Air CanadaCheapest£428Average£676FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
LufthansaCheapest£434Average£699FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Virgin AtlanticCheapest£434Average£545FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic 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.

100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.