How old is this price?

It is the cheapest fare we saw for that date. We look again at least once a day for the routes people search, and stop showing a price two days after we last saw it, so a price here can be up to four days old — the date beside it says when that was. The seller's page shows the price right now.

How does a2bflight rank results?

By price and duration only; commission never enters the order. Cheapest means cheapest among what the store holds for this corridor. A click that books may earn a2bflight a commission from the seller; the price you see is the seller's own.

cached prices · United States fares · USD

Flights from Calgary (YYC) to London (LHR)

The cheapest one-way fare from Calgary to London we have seen is $235 USD, departing Oct 13 (found Sep 21): WestJet WS 2, Nonstop, 8h30m.

These are the fares the seller shows on its United States site, in USD; prices where you live may differ.

Cheapest seen · One wayfound Sep 21

$235 USD

WestJet WS 2 · Oct 13 · Nonstop · 8h30m

Continue on the seller's site — $235

a2bflight may earn a commission from the seller if you book after this click; the price you see is the seller's and does not change. How we rank, what we keep.

Cheapest round trip seen

$550 USD

WestJet WS 002 · Feb 12 → Feb 21 · Nonstop · 17h35m in all, both ways

Continue on the seller's site — $550

See more dates →

Prices are the cached fare only; baggage and fare rules are shown by the seller.

about this route

Calgary to London in numbers

By month, Jan 2027 is the cheapest we hold at $174 USD and Jul 2027 the most expensive at $492 USD — a spread of 183%.

Nonstop fares are held for 3 of the 3 departure dates seen; carriers seen: Air Canada, British Airways, WestJet.

YYC serves Calgary, Canada; LHR serves London, United Kingdom.

London runs 7 hours ahead of Calgary.

by month

Cheapest by month

Oct 2026
$235 USD
checked Sep 25
Nov 2026
$277 USD
checked Sep 25
Jan 2027
$174 USD
checked Sep 25
Jul 2027
$492 USD
checked Sep 25

by date

Cheapest one-way by date

3 rows held, cheapest first — the cheapest nonstop and the cheapest with stops seen for each departure date.

Oct 13 · 20:35 YYC
WS2Nonstop · 8h30m
found Sep 21 · baggage and fare rules are shown by the seller — this price is the cached fare only
$235 USD
Continue on the seller's site — $235
a2bflight may earn a commission from the seller if you book after this click; the price you see is the seller's and does not change. How we rank, what we keep.
Nov 20 · 22:10 YYC
WS002Nonstop · 8h40m
found Sep 25 · baggage and fare rules are shown by the seller — this price is the cached fare only
$277 USD
Continue on the seller's site — $277
a2bflight may earn a commission from the seller if you book after this click; the price you see is the seller's and does not change. How we rank, what we keep.
Nov 9 · 22:10 YYC
WS002Nonstop · 8h40m
found Sep 22 · baggage and fare rules are shown by the seller — this price is the cached fare only
$279 USD
Continue on the seller's site — $279
a2bflight may earn a commission from the seller if you book after this click; the price you see is the seller's and does not change. How we rank, what we keep.

round trips

Cheapest round trips

The cheapest out-and-back pairs the cache holds, any dates.

Feb 12 → Feb 21 · 22:10 YYC
WS002Nonstop · 17h35m in all, both ways
found Sep 21 · baggage and fare rules are shown by the seller — this price is the cached fare only
$550 USD
Continue on the seller's site — $550
a2bflight may earn a commission from the seller if you book after this click; the price you see is the seller's and does not change. How we rank, what we keep.
Feb 13 → Feb 21 · 15:05 YYC
AC2112 stops · 28h44m in all, both ways
found Sep 25 · baggage and fare rules are shown by the seller — this price is the cached fare only
$624 USD
Continue on the seller's site — $624
a2bflight may earn a commission from the seller if you book after this click; the price you see is the seller's and does not change. How we rank, what we keep.
Nov 14 → Nov 21 · 22:10 YYC
WS2Nonstop · 17h35m in all, both ways
found Sep 23 · baggage and fare rules are shown by the seller — this price is the cached fare only
$660 USD
Continue on the seller's site — $660
a2bflight may earn a commission from the seller if you book after this click; the price you see is the seller's and does not change. How we rank, what we keep.
Feb 13 → Feb 21 · 22:10 YYC
WS002Nonstop · 17h35m in all, both ways
found Sep 25 · baggage and fare rules are shown by the seller — this price is the cached fare only
$768 USD
Continue on the seller's site — $768
a2bflight may earn a commission from the seller if you book after this click; the price you see is the seller's and does not change. How we rank, what we keep.
Oct 9 → Oct 11 · 13:51 YYC
BA55202 stops · 29h44m in all, both ways
found Sep 18 · baggage and fare rules are shown by the seller — this price is the cached fare only
$930 USD
Continue on the seller's site — $930
a2bflight may earn a commission from the seller if you book after this click; the price you see is the seller's and does not change. How we rank, what we keep.
Oct 9 → Oct 11 · 20:35 YYC
WS002Nonstop · 17h20m in all, both ways
found Sep 18 · baggage and fare rules are shown by the seller — this price is the cached fare only
$1,038 USD
Continue on the seller's site — $1,038
a2bflight may earn a commission from the seller if you book after this click; the price you see is the seller's and does not change. How we rank, what we keep.

carriers

Carriers seen on this corridor

Air Canada
British Airways
WestJet

Marketing carriers; the operating airline is shown by the seller.

questions

Questions

What is the cheapest fare from Calgary to London?: The cheapest one-way fare from Calgary to London we have seen is $235 USD, departing Oct 13 (found Sep 21): WestJet WS 2, Nonstop, 8h30m.
Is there a nonstop flight from Calgary to London?: Nonstop fares are held for 3 of the 3 departure dates seen; carriers seen: Air Canada, British Airways, WestJet.
Which month is cheapest to fly from Calgary to London?: By month, Jan 2027 is the cheapest we hold at $174 USD and Jul 2027 the most expensive at $492 USD — a spread of 183%.
How old is this price?: It is the cheapest fare we saw for that date. We look again at least once a day for the routes people search, and stop showing a price two days after we last saw it, so a price here can be up to four days old — the date beside it says when that was. The seller's page shows the price right now.
How does a2bflight rank results?: By price and duration only; commission never enters the order. Cheapest means cheapest among what the store holds for this corridor. A click that books may earn a2bflight a commission from the seller; the price you see is the seller's own. See how we rank and what we keep.

more routes

Return: Flights from London (LHR) to Calgary (YYC) →Every route from Calgary →Every route to London →

More from Calgary

Other destinations with a cached fare from this origin, cheapest first.

More to London

Other origins with a cached fare to this destination, cheapest first.