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$287+ Cheap flights from Calgary (YYC) to London (LON)

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 5/28. Fares are subject to change and may not be available on all flights or dates of travel.
YYC — LON
may. 5 — may. 121
lun. 5/5
lun. 5/12
1 adult, Economy
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1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

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3. Compare prices and book

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Cheapflights Tip: The best prices from Calgary to London are usually found in January or February, booked 48 days in advance, depart on a Thursday or Friday and return on a Tuesday

Cheap flight deals from Calgary to London

Discover tips and strategies to find the most affordable flight options for your journey from Calgary (YYC) to London (LON). 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 abril 30, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$618
(Air Transat)

One-way from

$287
(Trip.com)

Popular in

July

Cheapest in

January

Average price

$751

Good round-trip deal

$804 or less

Good one-way deal

$346 or less
Provider with most accurate pricing for Calgary-London (LON) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Calgary-London (LON) flights.
Search Deals
From Calgary to London (LON)
Search Deals
One-way flight from Calgary to London (LON)
Search Deals
Highest demand for flights based on searches. 19% potential increase in price ($192 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($21 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2025
Search Deals
Price to beat on a round-trip flight from Calgary to London (LON).
Search Deals
Price to beat on a one-way flight from Calgary to London (LON).
Search Deals

Find flight deals from Calgary to London

Cheapest flights from Calgary to London
Explore the most affordable flight options available from Calgary to London. Find the lowest fares from popular airlines and budget airlines, with prices last updated on abril 30, 2025.

This Air Transat deal was found by Cheapflights users on 4/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Transat is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 10/1011:55 pmYYC - LGW
1 stop27h 50mAir Transat
sáb. 10/1812:40 pmLGW - YYC
1 stop15h 24mAir Transat
Deal found 4/27$618
This Porter Airlines deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Porter Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 5/207:00 amYYC - LGW
1 stop20h 45mPorter Airlines
sáb. 6/712:40 pmLGW - YYC
1 stop29h 54mPorter Airlines
Deal found 4/29$629
This Mytrip deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 6/38:15 pmYYC - LGW
3 stops30h 10mMultiple Airlines
mar. 6/109:40 amLGW - YYC
1 stop11h 30mMultiple Airlines
Deal found 4/29$631
This Kiwi.com deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 6/117:15 pmYYC - LHR
1 stop13h 55mMultiple Airlines
mar. 6/249:20 pmLHR - YYC
2 stops20h 15mMultiple Airlines
Deal found 4/29$649
This Lufthansa deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 11/512:10 pmYYC - LHR
1 stop12h 00mLufthansa
vie. 12/57:30 amLHR - YYC
1 stop14h 55mLufthansa
Deal found 4/29$692
This Delta deal was found by Cheapflights users on 4/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 6/36:30 amYYC - LGW
2 stops20h 30mDelta
mar. 6/1712:00 pmLGW - YYC
2 stops42h 00mDelta
Deal found 4/28$709
This Air Canada deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/151:10 amYYC - LHR
1 stop25h 25mAir Canada
jue. 10/301:25 pmLHR - YYC
Nonstop9h 05mAir Canada
Deal found 4/29$716
This Austrian Airlines deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 11/1310:30 amYYC - LHR
2 stops28h 10mAustrian Airlines
mar. 11/256:00 amLHR - YYC
2 stops19h 38mAustrian Airlines
Deal found 4/29$724
This SWISS deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 11/141:30 pmYYC - LHR
2 stops21h 20mSWISS
dom. 11/238:55 amLHR - YYC
2 stops20h 13mSWISS
Deal found 4/29$731
This Delta deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 5/106:30 amYYC - LHR
1 stop23h 40mDelta
dom. 6/811:45 amLHR - YYC
2 stops40h 12mDelta
Deal found 4/29$743
This United Airlines deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/13:49 pmYYC - LHR
1 stop15h 21mUnited Airlines
mié. 10/2912:00 pmLHR - YYC
2 stops29h 54mUnited Airlines
Deal found 4/29$762
This Virgin Atlantic deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 5/72:00 pmYYC - LHR
2 stops20h 35mVirgin Atlantic
jue. 6/510:55 amLHR - YYC
1 stop19h 06mVirgin Atlantic
Deal found 4/29$781

Cheapflights Fare Finder

Customize your flight search to find flights from Calgary to London 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 2,558,603 searches. Data last updated abril 30, 2025.
Use the filters below to find and compare flights from Calgary to London that are best for you.

Fly from

Calgary

Fly to

London

Route

Depart

Return

Price

CalgaryLondon

YYC - LGW

YYCLGW

Calgary

vie. 10/10

11:55 pm-10:45 am

1 stop27h 50m

London Gatwick

sáb. 10/18

12:40 pm-9:04 pm

1 stop15h 24m

$618

CalgaryLondon

YYC - LGW

YYCLGW

Calgary

mar. 5/20

7:00 am-10:45 am

1 stop20h 45m

London Gatwick

sáb. 6/7

12:40 pm-11:34 am

1 stop29h 54m

$629

CalgaryLondon

YYC - LGW

YYCLGW

Calgary

mar. 6/3

8:15 pm-9:25 am

3 stops30h 10m

London Gatwick

mar. 6/10

9:40 am-2:10 pm

1 stop11h 30m

$631

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

mié. 6/11

7:15 pm-4:10 pm

1 stop13h 55m

London Heathrow

mar. 6/24

9:20 pm-10:35 am

2 stops20h 15m

$649

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

mié. 10/1

1:45 pm-9:35 am

1 stop12h 50m

London Heathrow

mié. 10/29

7:30 am-4:25 pm

1 stop14h 55m

$703

CalgaryLondon

YYC - LGW

YYCLGW

Calgary

mar. 6/3

6:30 am-10:00 am

2 stops20h 30m

London Gatwick

mar. 6/17

12:00 pm-11:00 pm

2 stops42h 00m

$709

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

mié. 10/15

1:10 am-9:35 am

1 stop25h 25m

London Heathrow

jue. 10/30

1:25 pm-4:30 pm

Nonstop9h 05m

$716

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

sáb. 5/10

6:30 am-1:10 pm

1 stop23h 40m

London Heathrow

dom. 6/8

11:45 am-8:57 pm

2 stops40h 12m

$743

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

mié. 10/1

3:49 pm-2:10 pm

1 stop15h 21m

London Heathrow

mié. 10/29

12:00 pm-11:54 am

2 stops29h 54m

$762

CalgaryLondon

YYC - LHR

YYCLHR

Calgary

jue. 10/9

8:00 am-9:35 am

2 stops18h 35m

London Heathrow

dom. 10/19

6:00 am-3:50 pm

2 stops40h 50m

$766

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 39 results
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Compare providers for flights from Calgary to London

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Calgary to London in April.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
FlightnetworkPrice Accuracy-Trust Score*3 stars
Kiwi.comPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Calgary-London flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Calgary-London flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from Calgary-London flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Calgary-London flights, Cheapflights users trust AranGrant the most. AranGrant has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Calgary-London flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

The best insider tips for Calgary to London flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Calgary to London trip
Airports
YYC

For a quick departure, use the LINK shuttle at YYC to move swiftly between terminals during peak travel times.

Read more about YYCby Jenna Scatena
LHR

Take the Heathrow Express for the fastest route into central London from LHR, arriving at Paddington Station.

Read more about LHRby Ramsey Qubein
Our travel experts
Jenna Scatena

Jenna Scatena

Expert on YYC

Jenna Scatena

Jenna Scatena

Journalist and Travel Writer, Jenna Scatena is an award-winning travel writer with a love for sharing stories and exploring new places, especially by Vespa. Though she's from San Francisco, she has spent a significant chunk of her vacation days over the last decade eating her way through Texas and sleeping in hotels around the world—especially in California, the Middle East, and Europe.

Read more
Ramsey Qubein

Ramsey Qubein

Expert on LHR

Ramsey Qubein

Ramsey Qubein

An avid traveler and aviation expert who has visited 173 countries, all 50 states and seven continents, Ramsey Qubein flies nearly 400,000 miles a year. As a North Carolina-based freelance journalist for publications including Conde Nast Traveler, Forbes, USA Today and Bloomberg among others, he explores the latest trends in aviation, hospitality, cruises and business.

Read more

Best time to book a flight from Calgary to London

Have a flexible travel schedule? Discover the best time to fly to London from Calgary with our price prediction graph.
Estimated round-trip 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

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

Use this chart to determine the optimal time to book a round-trip flight from Calgary to London. Price data was last updated on April 25, 2025.

To ensure you get the cheapest price possible for a flight from Calgary to London, you should look to book at least 48 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?

Currently, November is the cheapest month in which you can book a flight from Calgary to London (average of $661). Flying from Calgary to London in June is currently the most expensive (average of $1,110). 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 LON?

Find hourly flight availability from Calgary to London. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated abril 30, 2025.

It’s optimal to fly from Calgary to London in the morning. By choosing this option you can save up to 43% on the cost of your flight, compared to a flight in the afternoon.

What is the cheapest day to fly from Calgary to London?

Use this chart to determine the cheapest time to fly round-trip from Calgary to London. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Calgary to London flight should consider departing on Sunday at noon when fares are most often at their lowest. Tuesday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Calgary to London

Explore weekly flight availability from Calgary to London. 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 abril 30, 2025.

The most flights from YYC to LON are scheduled on a Tuesday (12 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (2 on average).

Rainfall in London by month

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

In terms of precipitation, rainfall in London ranges from 1.6 - 2.8 inches per month. January is typically the wettest month, when rainfall can reach 2.8 in. July is typically the driest time to visit London when rainfall is around 1.6 in.

Temperature in London by month

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

If weather is an important factor for your trip to London, 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 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).

Reviews of airlines servicing London

Get insights into the airlines that provide service to London. 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 London. Reviews last updated abril 30, 2025.
Read through reviews of airlines operating flights from Calgary to London, such as Delta, Porter Airlines and Air Transat. 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.
Delta
8.0
Very good
7,936 reviews

Entertainment

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,936 reviews
Delta
8.0
Very good
7,936 reviews

Entertainment

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Porter Airlines
8.0
Very good
285 reviews
Delta
8.0
Very good
7,936 reviews

Entertainment

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Air Transat
7.8
Good
385 reviews
Delta
8.0
Very good
7,936 reviews

Entertainment

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Austrian Airlines
7.6
Good
780 reviews
Delta
8.0
Very good
7,936 reviews

Entertainment

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
SWISS
7.5
Good
1,588 reviews
Delta
8.0
Very good
7,936 reviews

Entertainment

7.9

Boarding

8.2

Food

7.3

Crew

8.5

Overall

8.0

Comfort

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Related info for your journey

Find useful and relevant information for your journey from Calgary to London. 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?

    Calgary (YYC) is the airport you will fly out of if you book a flight from Calgary to London. You should not have trouble finding flights to London from Calgary; the airport handles an average of 6 outbound flights to London per day. You should also have plenty of airline options to choose from since 3 airlines have flights from the Calgary airport to London. It is only a 5.8 mi journey to Calgary (YYC) from Calgary’s city center.

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

    According to our current data, Air Transat ($618), Porter Airlines ($629), and Lufthansa ($703) offers the cheapest pricing from Calgary to London. Air Transat is 19% 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 one-way?

    The cheapest airlines for a one-way flight from Calgary to London are WestJet ($313), Air Canada ($355), and Lufthansa ($357).

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

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Calgary to London on time: Croatia Airlines (100%), United Airlines (85%), Air Canada (82%).

  • What are the cheapest flights from Calgary to London?

    Looking for the cheapest flight from Calgary to London? While on average our users pay $773, our data indicates the cheapest price to be $292. The most popular route (Calgary - London Heathrow), is priced around $650.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Calgary to London 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?

    Currently, November is the cheapest month in which you can book a flight from Calgary to London (average of $661). Flying from Calgary to London in June is currently the most expensive (average of $1,110). 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

Traveling to a place near Calgary?

Book flights to Calgary if you plan to visit one of these locations
Hayes
Hounslow
Thornton Heath
Luton
Horley
Canterbury
Harrow
Wembley
Dover
Gatwick
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Watford
Croydon
Borehamwood
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Ilford
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Chelmsford
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Alternative routes for Calgary to London

See prices for flight routes from nearby airports that may be better suited for you.
Calgary to Heathrow flights
Edmonton to Heathrow flights
Calgary to Gatwick flights
Calgary to Edinburgh flights

Top 3 airlines flying from Calgary to London

Discover the top 3 airlines that operate flights from Calgary to London. 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 2,558,603 searches. Data last updated abril 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapest$434Average$1,010FlexibilityNo cancel feeOn-time60%
LufthansaCheapest$572Average$867FlexibilityNo cancel feeOn-time76%
Air CanadaCheapest$573Average$903FlexibilityNo cancel feeOn-time67%

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