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 (STN)

The cheapest one-way fare from Calgary to London we have seen is $269 USD, departing Nov 20 (found Sep 25): WestJet WS 10, 2 stops, 20h50m.

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 25

$269 USD

WestJet WS 10 · Nov 20 · 2 stops · 20h50m

Continue on the seller's site — $269

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 trip: search live prices →

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, Nov 2026 is the cheapest we hold at $269 USD and Jul 2027 the most expensive at $597 USD — a spread of 122%.

No nonstop fare is held for the 3 departure dates seen — every row has at least one stop; carriers seen: WestJet.

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

London runs 6 hours ahead of Calgary.

by month

Cheapest by month

Oct 2026
$292 USD
checked Sep 25
Nov 2026
$269 USD
checked Sep 25
Jan 2027
$276 USD
checked Sep 25
Jul 2027
$597 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.

Nov 20 · 19:30 YYC
WS102 stops · 20h50m
found Sep 25 · baggage and fare rules are shown by the seller — this price is the cached fare only
$269 USD
Continue on the seller's site — $269
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 13 · 19:10 YYC
WS102 stops · 34h40m
found Sep 21 · baggage and fare rules are shown by the seller — this price is the cached fare only
$292 USD
Continue on the seller's site — $292
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 · 19:30 YYC
WS0102 stops · 38h00m
found Sep 22 · baggage and fare rules are shown by the seller — this price is the cached fare only
$334 USD
Continue on the seller's site — $334
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.

Oct 9 → Oct 11 · 19:00 YYC
WS285 stops · 38h30m in all, both ways
found Sep 18 · baggage and fare rules are shown by the seller — this price is the cached fare only
$849 USD
Continue on the seller's site — $849
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

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 $269 USD, departing Nov 20 (found Sep 25): WestJet WS 10, 2 stops, 20h50m.
Is there a nonstop flight from Calgary to London?: No nonstop fare is held for the 3 departure dates seen — every row has at least one stop; carriers seen: WestJet.
Which month is cheapest to fly from Calgary to London?: By month, Nov 2026 is the cheapest we hold at $269 USD and Jul 2027 the most expensive at $597 USD — a spread of 122%.
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 (STN) 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.