Calgary to London YYC → LHR, LTN, STN
Calgary International Airport (YYC) → London Heathrow Airport (LHR), London Luton Airport (LTN), Stansted Airport (STN)
The cheapest return found recently is C$880 (US$622) with WestJet, 9 Mar 2027 – 14 Mar 2027, found 2 days ago. The cheapest one-way found recently is C$258 (US$182) with WestJet, 21 Nov, found yesterday.
Return
Not enough comparable prices yet for a usual return price.
Cheapest return found recently
C$880 (US$622)
9 Mar 2027 – 14 Mar 2027 · WestJet
Calgary International Airport (YYC) → London Luton Airport (LTN)
Leaves 7:30 p.m. · Return leaves 1:40 p.m. · 52 h 40 min of travel, both ways together
out 1 stop, back 1 stop
found 2 days ago
Cheapest nonstop return
None seen yet.
Found recently, and the cheapest we hold
C$880 (US$622) 9 Mar 2027 – 14 Mar 2027found 2 days agoSee prices for these dates
C$753 (US$532) 10 Mar 2027 – 14 Mar 2027found 5 days agoSee prices for these dates
What have prices looked like?
Over 25 days, 24 Sept to 18 Oct, the cheapest return we saw each day was C$705 (US$498) to C$880 (US$622).
At C$880 (US$622), the cheapest return found recently is at the high end of that range.
25 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?
Not enough comparable prices yet: we hold return fares on 2 departure dates and need at least 3 to say what is usual.
Could nearby dates be cheaper?
We hold no other 5-night return fares leaving within 3 days of 9 Mar 2027 to compare.
Every date we hold
4 fares on 2 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 9 Mar 2027 – 14 Mar 2027 | C$880 (US$622) | WestJet | Calgary International Airport (YYC) → London Luton Airport (LTN) | out 1 stop, back 1 stop | found 2 days ago | See prices for these dates |
| 10 Mar 2027 – 14 Mar 2027 | C$753 (US$532) | WestJet | Calgary International Airport (YYC) → London Heathrow Airport (LHR) | out nonstop, back 1 stop | found 5 days ago | See prices for these dates |
Airlines on the cheapest dates: WestJet.
One-way
The cheapest one-way fare on each of 4 departure dates is usually C$258 (US$182) to C$311 (US$220).
Cheapest one-way found recently
C$258 (US$182)
21 Nov · WestJet
Calgary International Airport (YYC) → London Heathrow Airport (LHR)
Leaves 10:10 p.m. · 8 h 40 min trip
nonstop
found yesterday
Cheapest nonstop one-way
C$258 (US$182)
21 Nov · WestJet
Calgary International Airport (YYC) → London Heathrow Airport (LHR)
Leaves 10:10 p.m. · 8 h 40 min trip
nonstop
found yesterday
Found recently, and the cheapest we hold
C$258 (US$182) 21 Novfound yesterdayOpen this trip
It is also the cheapest one-way we hold, of any age.
What have prices looked like?
Over 25 days, 24 Sept to 18 Oct, the cheapest one-way we saw each day was C$238 (US$168) to C$258 (US$182).
At C$258 (US$182), the cheapest one-way found recently is at the high end of that range.
25 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?
Compared with the cheapest one-way fare on each of 4 departure dates from 13 Nov to 31 Jan 2027, 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?
No. We hold one-way fares on 1 other departure date within 3 days of 21 Nov, and it is not cheaper.
Every date we hold
5 fares on 4 departure dates
See the chart as a table
| Dates | From | Airline | Airports | Stops | Found | |
|---|---|---|---|---|---|---|
| 13 Nov | C$348 (US$246) | WestJet | Calgary International Airport (YYC) → Stansted Airport (STN) | 2 stops | found 3 days ago | Open this trip |
| 21 Nov | C$258 (US$182) | WestJet | Calgary International Airport (YYC) → London Heathrow Airport (LHR) | nonstop | found yesterday | Open this trip |
| 22 Nov | C$258 (US$182) | WestJet | Calgary International Airport (YYC) → London Heathrow Airport (LHR) | nonstop | found yesterday | Open this trip |
| 31 Jan 2027 | C$299 (US$211) | WestJet | Calgary International Airport (YYC) → London Heathrow Airport (LHR) | nonstop | found yesterday | Open this trip |
Which month looks cheapest?
November 2026 is the cheapest month — from C$258 (US$182).
Airlines on the cheapest dates: WestJet.
Premium cabin fares from Calgary to London
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 9 Mar 2027 – 14 Mar 2027 in another cabin: Premium economy · Business · First
Today's prices for 21 Nov in another cabin: Premium economy · Business · First
How far ahead were prices cheapest for Calgary to London?
Return
The cheapest fares were 90 to 179 days before departure.
From the cheapest return each day between 24 Sept and 18 Oct (25 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 |
|---|---|---|---|---|
| 30–59 days | C$734 (US$519) | C$733 (US$518) | +3% | 16 |
| 60–89 days | C$1,481 (US$1,046) | C$1,188 (US$839) | +107% | 16 |
| 90–179 days | C$715 (US$505) | C$705 (US$498) | Cheapest seen | 21 |
One-way
Not enough history yet: in 25 days of one-way prices, 24 Sept to 18 Oct, fewer than 3 booking ranges had prices on 7 days or more.
Live price for these dates
The cheapest return found recently is for 9 Mar 2027 – 14 Mar 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