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WestJet flights from Calgary to London (YYC - LON)

YYC — LON
25 Jun — 2 Jul1
1 adult
1 adult, Economy, 0 bags

Cheapflights users flying from Calgary to London on WestJet typically fly into London Heathrow and depart from Calgary. Select your dates above for pricing.

WestJet flights from Calgary to London in 2026

Find detailed information about WestJet flights from Calgary to London. Explore the options provided by WestJet to plan your journey from Calgary to London. Data last updated 26 May 2026.

One-way from

C$ 416

Round-trip from

C$ 994

Popular in

July

Cheapest in

January

Average price (all airlines)

C$ 1,122
WestJet
  • WestJet
  • 3/6
  • 1 total stop
  • 13h 05m total
  • Calgary to London
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WestJet
  • WestJet
  • 8/6-18/6
  • Nonstop
  • 17h 20m total
  • Calgary to London
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Highest demand for flights from Calgary to London; 19% potential price increase.
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Best time to find cheap flights from Calgary to London; 3% potential price drop.
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Average price for all Calgary to London flights (one-way and round-trip).
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  • How do most travelers feel about WestJet?

    When planning your YYC-LON trip, keep in mind that WestJet is typically rated 7.2/10. This rating comes from 3,347 reviews by Cheapflights users who have traveled with WestJet.

  • Can I get a flight from Calgary to London on WestJet for under C$ 1,242?

    There are 15 flights available on WestJet from Calgary to London for under C$ 1,242. These prices can change based on many factors including date and time. To find YYC-LON flight prices for your dates, click here.

Find WestJet flight deals from Calgary to London

Enter your travel dates to find the best prices.

Cheapest WestJet flights from Calgary to London
Explore the most affordable WestJet flight options available from Calgary to London. Find the lowest fares with prices last updated on 26 May 2026.

Mon 8/68:35 p.m.
YYC
-
LHR
Nonstop8h 30m
WestJet
Thu 18/62:10 p.m.
LHR
-
YYC
Nonstop8h 50m
WestJet
Deal found 24/5C$ 994
Tue 2/68:35 p.m.
YYC
-
LHR
Nonstop8h 30m
WestJet
Tue 9/62:10 p.m.
LHR
-
YYC
Nonstop8h 50m
WestJet
Deal found 23/5C$ 1,004
Thu 4/68:35 p.m.
YYC
-
LHR
Nonstop8h 30m
WestJet
Sun 21/62:10 p.m.
LHR
-
YYC
Nonstop8h 50m
WestJet
Deal found 25/5C$ 1,127

Which month is the cheapest to fly Economy Class from Calgary to London?

For Economy Class flights, the cheapest month to fly this route is January. The most expensive months are July and August.

Weekly WestJet flight availability from Calgary to London

The most WestJet flights from YYC to LON are scheduled on a Monday (1 on average). You will have fewer WestJet flight options on Monday, which is when the least amount of flights are scheduled (1 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 40.0 - 70.0 mm per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London when rainfall is around 40.0 mm.

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 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).

When is the best time to book a flight to London with WestJet?

The best time to book a flight to London with WestJet is 79 days before departure. On average, fares are higher if you book 51 days before departure.

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.

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Fly from Calgary to London on another airline

Consider alternative airlines that service the London area. Flight routes are based on user searches made on Cheapflights and were last updated on 26 May 2026.
Air Transat flights from Calgary to London

See what others are saying about WestJet

Read reviews and see what other travellers are saying about their experiences with WestJet. Get insights from real passengers regarding the airline's services, customer satisfaction, and overall travel experience. Use these reviews to inform your decision when choosing WestJet for your next flight. Reviews last updated 26 May 2026.
WestJet
7.2
Good
3,347 reviews
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Overview

Comfort

7.0

Boarding

7.4

Crew

7.9

Entertainment

6.1

Food

6.2

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