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Cheap flights from Calgary to London from C$ 270

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 2/3. Fares are subject to change and may not be available on all flights or dates of travel.
YYC — LON
22 Mar — 29 Mar1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Calgary to London are usually found in January or November, booked 16 days in advance, depart on a Sunday or Wednesday and return on a Friday

Cheap flight deals from Calgary to London

Enter your travel dates to find the best prices.

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 20 February 2026.

Tue 24/29:10 p.m.
YYC
-
LHR
Nonstop8h 40m
WestJet
Tue 3/32:50 p.m.
LHR
-
YYC
Nonstop8h 50m
WestJet
Deal found 17/2C$ 635
Mon 2/39:10 p.m.
YYC
-
LHR
Nonstop8h 40m
WestJet
Sun 15/32:50 p.m.
LHR
-
YYC
Nonstop8h 50m
WestJet
Deal found 19/2C$ 669
Mon 2/39:10 p.m.
YYC
-
LHR
Nonstop8h 40m
Multiple Airlines
Tue 28/48:50 p.m.
LHR
-
YYC
3 stops33h 55m
Multiple Airlines
Deal found 19/2C$ 685
Wed 4/39:10 p.m.
YYC
-
LHR
Nonstop8h 40m
Multiple Airlines
Tue 28/48:50 p.m.
LHR
-
YYC
3 stops27h 50m
Multiple Airlines
Deal found 19/2C$ 723
Mon 23/27:30 p.m.
YYC
-
LGW
1 stop28h 40m
Multiple Airlines
Mon 9/37:25 p.m.
LGW
-
YYC
1 stop27h 20m
Multiple Airlines
Deal found 18/2C$ 735
Mon 2/39:10 p.m.
YYC
-
LHR
Nonstop8h 40m
Multiple Airlines
Thu 30/48:10 p.m.
LHR
-
YYC
1 stop25h 05m
Multiple Airlines
Deal found 19/2C$ 745
Mon 23/27:30 p.m.
YYC
-
LTN
1 stop31h 55m
Multiple Airlines
Mon 9/36:35 p.m.
LTN
-
YYC
1 stop28h 10m
Multiple Airlines
Deal found 18/2C$ 758
Mon 2/39:10 p.m.
YYC
-
LHR
Nonstop8h 40m
Multiple Airlines
Wed 29/49:10 p.m.
LHR
-
YYC
2 stops28h 00m
Multiple Airlines
Deal found 19/2C$ 761
Mon 2/39:10 p.m.
YYC
-
LHR
Nonstop8h 40m
Multiple Airlines
Sun 26/410:00 p.m.
LHR
-
YYC
2 stops27h 10m
Multiple Airlines
Deal found 19/2C$ 763
Mon 11/57:55 p.m.
YYC
-
LTN
1 stop12h 50m
Multiple Airlines
Mon 18/56:25 a.m.
LTN
-
YYC
2 stops34h 35m
Multiple Airlines
Deal found 17/2C$ 768
Mon 2/39:10 p.m.
YYC
-
LHR
Nonstop8h 40m
WestJet
Sat 25/42:10 p.m.
LHR
-
YYC
Nonstop8h 50m
WestJet
Deal found 19/2C$ 774
Mon 23/27:30 p.m.
YYC
-
SEN
1 stop31h 30m
Multiple Airlines
Mon 9/37:15 a.m.
SEN
-
YYC
1 stop15h 30m
Multiple Airlines
Deal found 18/2C$ 775

Find 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 20 February 2026.

Round-trip from

C$ 635

One-way from

C$ 270

Popular in

July

Cheapest in

January

Average price

C$ 798

Good round-trip deal

C$ 969 or less

Good one-way deal

C$ 377 or less
WestJet
  • WestJet
  • 24/2-3/3
  • Nonstop
  • 17h 30m total
  • Calgary to London
Search Deals
WestJet
  • WestJet
  • 2/3
  • Nonstop
  • 8h 40m total
  • Calgary to London
Search Deals
Highest demand for flights based on searches. 18% potential increase in price (C$ 306 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 39 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
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

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 629,999 searches. Data last updated 20 February 2026.
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 - SEN

YYCSEN

Calgary

Mon 23/2

7:30 p.m.-10:00 a.m.

1 stop31h 30m

London Southend

Mon 9/3

7:15 a.m.-4:45 p.m.

1 stop15h 30m

C$ 775

CalgaryLondon

YYC - STN

YYCSTN

Calgary

Mon 11/5

7:55 p.m.-2:40 p.m.

1 stop11h 45m

London Stansted

Mon 18/5

8:25 a.m.-10:00 a.m.

2 stops32h 35m

C$ 790

CalgaryLondon

YYC - STN

YYCSTN

Calgary

Thu 14/5

7:55 p.m.-2:35 p.m.

1 stop11h 40m

London Stansted

Mon 18/5

8:25 a.m.-10:00 a.m.

2 stops32h 35m

C$ 802

CalgaryLondon

YYC - STN

YYCSTN

Calgary

Mon 20/4

9:00 a.m.-12:20 a.m.

3 stops32h 20m

London Stansted

Thu 30/4

6:30 a.m.-6:10 p.m.

2 stops18h 40m

C$ 815

CalgaryLondon

YYC - STN

YYCSTN

Calgary

Mon 18/5

7:55 p.m.-2:40 p.m.

1 stop11h 45m

London Stansted

Sat 23/5

8:10 p.m.-10:00 a.m.

2 stops44h 50m

C$ 815

CalgaryLondon

YYC - LTN

YYCLTN

Calgary

Mon 23/2

7:30 p.m.-10:25 a.m.

1 stop31h 55m

London Luton

Mon 9/3

8:50 p.m.-4:45 p.m.

2 stops25h 55m

C$ 849

CalgaryLondon

YYC - STN

YYCSTN

Calgary

Thu 14/5

7:55 p.m.-10:25 p.m.

1 stop19h 30m

London Stansted

Wed 27/5

10:45 p.m.-12:44 a.m.

2 stops32h 59m

C$ 857

CalgaryLondon

YYC - LGW

YYCLGW

Calgary

Thu 2/4

5:15 p.m.-10:45 a.m.

1 stop34h 30m

London Gatwick

Mon 13/4

12:40 p.m.-3:32 p.m.

1 stop33h 52m

C$ 878

CalgaryLondon

YYC - STN

YYCSTN

Calgary

Mon 18/5

7:55 p.m.-2:40 p.m.

1 stop11h 45m

London Stansted

Mon 25/5

10:45 p.m.-12:44 a.m.

2 stops32h 59m

C$ 880

CalgaryLondon

YYC - LGW

YYCLGW

Calgary

Mon 11/5

7:05 a.m.-10:45 a.m.

1 stop20h 40m

London Gatwick

Wed 20/5

11:35 a.m.-10:33 p.m.

1 stop17h 58m

C$ 913

Flights are sorted by cheapest round-trip flights first.

Deals found on 16/2

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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 18 February 2026.

The price you pay for your flight from Calgary to London may vary depending on when you book. For the best chance of a lower fare, look to book 16 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, January is the cheapest month in which you can book a flight from Calgary to London (average of C$ 583). Flying from Calgary to London in August is currently the most expensive (average of C$ 849). 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 20 February 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Calgary to London as you normally would.

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 20 February 2026.

The most flights from YYC to LON are scheduled on a Monday (12 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (1 on average).

What’s the top layover airport for flights from Calgary to London?

Share of one-stop round-trip flights from Calgary to London chosen by Cheapflights users in the past 12 months, using the same layover each way.

Toronto (YYZ) – chosen by Cheapflights users on 49% of one-stop itineraries from Calgary to London on Cheapflights.

What’s the cheapest layover airport for flights from Calgary to London?

Average round-trip fare for 1-stop flights from Calgary to London, chosen by Cheapflights users in the past 12 months, with the same layover each way.

St. John's (YYT) is the most affordable 1-stop option, with an average round-trip price of C$ 802.

What’s the fastest layover option from Calgary to London?

Shortest average travel time for 1-stop one-way flights from Calgary to London, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Flights via Amsterdam (AMS) have the shortest average one-way travel time for 1-stop routes: 11h 04m.

Which airport typically offers the quickest layover for flights from Calgary to London?

Average layover duration for 1-stop one-way flights from Calgary to London, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Amsterdam (AMS) offer the fastest connection on this route, with an average layover time of 1h 15m.

How often are flights from Calgary to London delayed?

About 19% of weekly flights between Calgary and London have experienced delays in the past year, with the average delay time being 125 minutes.

What is the most punctual flight time for Calgary to London flights?

Historically, flights departing in the evening are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Monday tends to have the lowest number of delays on this route, whereas Thursday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Calgary to London flights?

Over the past year, Pascan has had the lowest number of delays on this route, with just 14% of flights being delayed.

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 20 February 2026.
Read reviews from past customers who have flown Porter Airlines,Air Transat, andWestJet from Calgary to London. 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.
Porter Airlines
8.0
Very good
418 reviews
Check prices

Overall

8.0

Comfort

8.0

Crew

8.6

Entertainment

6.9

Boarding

8.2

Food

7.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Feb 2026

YYJ - YYZ

Always great! The Flight Attendants are always polite and attentive! The Polite was great and reminded us all that it was Valentine's Day!
Porter Airlines
8.0
Very good
418 reviews
Porter Airlines
8.0
Very good
418 reviews
Check prices

Overall

8.0

Comfort

8.0

Crew

8.6

Entertainment

6.9

Boarding

8.2

Food

7.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Feb 2026

YYJ - YYZ

Always great! The Flight Attendants are always polite and attentive! The Polite was great and reminded us all that it was Valentine's Day!
Air Transat
7.7
Good
509 reviews
Porter Airlines
8.0
Very good
418 reviews
Check prices

Overall

8.0

Comfort

8.0

Crew

8.6

Entertainment

6.9

Boarding

8.2

Food

7.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Feb 2026

YYJ - YYZ

Always great! The Flight Attendants are always polite and attentive! The Polite was great and reminded us all that it was Valentine's Day!
WestJet
7.2
Good
3,269 reviews
Porter Airlines
8.0
Very good
418 reviews
Check prices

Overall

8.0

Comfort

8.0

Crew

8.6

Entertainment

6.9

Boarding

8.2

Food

7.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Feb 2026

YYJ - YYZ

Always great! The Flight Attendants are always polite and attentive! The Polite was great and reminded us all that it was Valentine's Day!
Air Canada
7.1
Good
10,732 reviews
Porter Airlines
8.0
Very good
418 reviews
Check prices

Overall

8.0

Comfort

8.0

Crew

8.6

Entertainment

6.9

Boarding

8.2

Food

7.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Feb 2026

YYJ - YYZ

Always great! The Flight Attendants are always polite and attentive! The Polite was great and reminded us all that it was Valentine's Day!
Lufthansa
6.8
Okay
7,789 reviews
Porter Airlines
8.0
Very good
418 reviews
Check prices

Overall

8.0

Comfort

8.0

Crew

8.6

Entertainment

6.9

Boarding

8.2

Food

7.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Feb 2026

YYJ - YYZ

Always great! The Flight Attendants are always polite and attentive! The Polite was great and reminded us all that it was Valentine's Day!

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?

    Most people fly from Calgary (YYC) if they book a flight from Calgary to London. On average, Calgary has 8 outbound flights to London per day from 8 airlines. Calgary is conveniently located just 9.3 km from Calgary’s city centre.

  • How long is the flight from Calgary to London?

    Airlines like Air Transat, Porter Airlines, and United Airlines fly from Calgary to London in about 16h 40m. The time it takes to get you to your destination can typically vary by up to 17h 50m. Airlines will cover a distance of 7009 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

    WestJet, at C$ 604, was found to be the cheapest airline from Calgary to London.Alternate airlines to your destination round-trip include Air Canada and Lufthansa. WestJet is currently priced 40% below the average price you’ll pay for this route.

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

    C$ 208 is the cheapest one-way deal found within the past few days, from WestJet. You may also be able to find cheap deals on Air Transat and Air Canada, with prices starting from C$ 449 and C$ 473, respectively.

  • What are the most popular routes from Calgary to London?

    The most popular route from Calgary to London is Calgary - London Heathrow. You may also consider Calgary - London Gatwick or Calgary - London City.

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

    Before booking your flight to London from Calgary, check out the most reliable airlines to get you to your destination on time: Air Canada (57%), Aegean Airlines (57%), Thai Airways( 57%).

  • What are the cheapest flights from Calgary to London?

    On average you can expect to pay C$ 1,716 for a flight from Calgary to London. The cheapest flight overall is C$ 209 while the most popular route, (Calgary - London Heathrow) is currently priced at C$ 817.

  • 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, January is the cheapest month in which you can book a flight from Calgary to London (average of C$ 583). Flying from Calgary to London in August is currently the most expensive (average of C$ 849). 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?

Book flights to London if you plan to visit one of these locations
Sutton
Twickenham
Gatwick
Slough
Marlow
Cobham
Romford
Watford
Bedford
Luton
High Wycombe
Hounslow

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Fly from Calgary to London on these airlines

Choose from the following airlines for your flight from Calgary to London. Flights are based on user searches made on Cheapflights and were last updated on 20 February 2026.
WestJet flights from Calgary to London
Air Canada flights from Calgary to London
Air Transat flights from Calgary to London

Top 8 airlines flying from Calgary to London

Discover the top 8 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 629,999 searches. Data last updated 20 February 2026.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 604AverageC$ 1,086FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Air CanadaCheapestC$ 728AverageC$ 1,203FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
LufthansaCheapestC$ 740AverageC$ 1,105FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Virgin AtlanticCheapestC$ 745AverageC$ 979FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
KLMCheapestC$ 773AverageC$ 1,040FlexibilityNo cancel feeOn-time75%
Search KLM flights
Air TransatCheapestC$ 805AverageC$ 1,146FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
Porter AirlinesCheapestC$ 838AverageC$ 994FlexibilityNo cancel feeOn-time52%
Search Porter Airlines flights
British AirwaysCheapestC$ 962AverageC$ 1,202FlexibilityNo cancel feeOn-time70%
Search British Airways flights

Fly with Cheapflights

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

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

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to London from Calgary today with Cheapflights!

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

Cheapflights helps you find that perfect flight to London 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 London with no change fees?

Certainly. Search results for flights to London from Calgary shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

Not ready to book yet? You can track prices for flights from Calgary to London on Cheapflights with our Price Alert feature and get notified when better prices are available.

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