London to Calgary YXU → YYC
London International Airport (YXU) → Calgary International Airport (YYC)
The cheapest return found recently is C$776 (US$548) with WestJet, 23 Dec – 8 Jan 2027, found yesterday. The cheapest one-way found recently is C$270 (US$191) with WestJet, 17 Nov, found 5 days ago.
Return
The cheapest return fare on each of 3 departure dates is usually C$716 (US$506) to C$794 (US$561).
Cheapest return found recently
C$776 (US$548)
23 Dec – 8 Jan 2027 · WestJet
London International Airport (YXU) → Calgary International Airport (YYC)
Leaves 6:40 a.m. · Return leaves 12:50 a.m. · 8 h 5 min of travel, both ways together
out nonstop, back nonstop
found yesterday
Cheapest nonstop return
C$776 (US$548)
23 Dec – 8 Jan 2027 · WestJet
London International Airport (YXU) → Calgary International Airport (YYC)
Leaves 6:40 a.m. · Return leaves 12:50 a.m. · 8 h 5 min of travel, both ways together
out nonstop, back nonstop
found yesterday
Found recently, and the cheapest we hold
C$776 (US$548) 23 Dec – 8 Jan 2027found yesterdaySee prices for these dates
C$657 (US$464) 17 Nov – 22 Novfound 5 days agoSee prices for these dates
What have prices looked like?
Over 15 days, 24 Sept to 18 Oct, the cheapest return we saw each day was C$262 (US$185) to C$675 (US$477).
At C$776 (US$548), the cheapest return found recently is above that range.
15 days is a short history, so treat this range as an early guide.
Those were the prices on those days, not today's.
Is this a good return price?
Compared with the cheapest return fare on each of 3 departure dates from 17 Nov to 23 Dec, found by travelers' searches in the last 7 days (economy, the price the seller showed on Aviasales). The usual range is the middle half of those prices.
Could nearby dates be cheaper?
We hold no other 16-night return fares leaving within 3 days of 23 Dec to compare.
Every date we hold
3 fares on 3 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 17 Nov – 22 Nov | C$657 (US$464) | WestJet | London International Airport (YXU) → Calgary International Airport (YYC) | out nonstop, back 2 stops | found 5 days ago | See prices for these dates |
| 21 Dec – 8 Jan 2027 | C$812 (US$574) | WestJet | London International Airport (YXU) → Calgary International Airport (YYC) | out nonstop, back nonstop | found yesterday | See prices for these dates |
| 23 Dec – 8 Jan 2027 | C$776 (US$548) | WestJet | London International Airport (YXU) → Calgary International Airport (YYC) | out nonstop, back nonstop | found yesterday | See prices for these dates |
Which month looks cheapest?
November 2026 is the cheapest month — from C$657 (US$464).
Airlines on the cheapest dates: WestJet.
One-way
Not enough comparable prices yet for a usual one-way price.
Cheapest one-way found recently
C$270 (US$191)
17 Nov · WestJet
London International Airport (YXU) → Calgary International Airport (YYC)
Leaves 6:40 a.m. · 4 h 20 min trip
nonstop
found 5 days ago
Cheapest nonstop one-way
C$270 (US$191)
17 Nov · WestJet
London International Airport (YXU) → Calgary International Airport (YYC)
Leaves 6:40 a.m. · 4 h 20 min trip
nonstop
found 5 days ago
Found recently, and the cheapest we hold
C$270 (US$191) 17 Novfound 5 days agoOpen this trip
It is also the cheapest one-way we hold, of any age.
What have prices looked like?
Over 11 days, 24 Sept to 18 Oct, the cheapest one-way we saw each day was C$197 (US$139) to C$793 (US$560).
11 days is a short history, so treat this range as an early guide.
Those were the prices on those days, not today's.
Is this a good one-way price?
Not enough comparable prices yet: we hold one-way fares on 1 departure date and need at least 3 to say what is usual.
Could nearby dates be cheaper?
We hold no other one-way fares leaving within 3 days of 17 Nov to compare.
Every date we hold
1 fares on 1 departure dates
See every date as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 17 Nov | C$270 (US$191) | WestJet | London International Airport (YXU) → Calgary International Airport (YYC) | nonstop | found 5 days ago | Open this trip |
Airlines on the cheapest dates: WestJet.
Premium cabin fares from London to Calgary
We hold no premium economy, business or first-class fares for this route: we collect them for the busiest routes, and this one is not among them yet.
Today's prices for 23 Dec – 8 Jan 2027 in another cabin: Premium economy · Business · First
Today's prices for 17 Nov in another cabin: Premium economy · Business · First
How far ahead were prices cheapest for London to Calgary?
Return
The cheapest fares were 0 to 6 days before departure.
From the cheapest return each day between 24 Sept and 18 Oct (15 days), grouped by how many days ahead the flight left; one adult in economy.
Each range covers different departure dates, so this compares typical fares, not the same trip priced twice.
Prices reflect recent searches — current fares may differ.
See these ranges as a table
| Booked ahead by | Typical fare | Cheapest day | Above the cheapest | Days of prices |
|---|---|---|---|---|
| 0–6 days | C$539 (US$381) | C$518 (US$366) | Cheapest seen | 8 |
| 7–13 days | C$681 (US$481) | C$518 (US$366) | +26% | 10 |
| 30–59 days | C$657 (US$464) | C$324 (US$229) | +22% | 8 |
One-way
Not enough history yet: in 11 days of one-way prices, 24 Sept to 18 Oct, fewer than 3 booking ranges had prices on 7 days or more.
Could a nearby airport be cheaper?
A different airport at either end can change the fare — sometimes a lot.
Return
Kitchener → Calgary
80 km from London
C$770 (US$544)
C$6 (US$4) less than flying from London
27 Aug 2027 – 30 Aug 2027 · YKF → YYC · out nonstop, back nonstop
found 4 days ago
Cheapest recent price on each route — round trip, per traveler in Economy. Distances are in a straight line.
Live price for these dates
The cheapest return found recently is for 23 Dec – 8 Jan 2027. A live search on this page shows what those dates cost now, for one adult in economy.
Prices are what travelers' searches on Aviasales found in the last 7 days: the price the seller showed on Aviasales; bags may cost extra. Canadian dollars at the Bank of Canada rate of 2026-10-16, US dollars in brackets. Fares change, so check today's price before you book. How our prices work