cached prices · United States fares · USD
The cheapest one-way fare from Ottawa to London we have seen is $499 USD, departing Nov 4 (found Sep 19): Air Canada AC 455, 2 stops, 13h35m.
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 19
$499 USD
Air Canada AC 455 · Nov 4 · 2 stops · 13h35m
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about this route
By month, Nov 2026 is the cheapest we hold at $499 USD and Oct 2026 the most expensive at $522 USD — a spread of 5%.
No nonstop fare is held for the 8 departure dates seen — every row has at least one stop; carriers seen: Air Canada, Aer Lingus, Porter, WestJet.
YOW serves Ottawa, Canada; LCY serves London, United Kingdom.
London runs 5 hours ahead of Ottawa.
by month
Oct 2026
$522 USD
checked Sep 25
Nov 2026
$499 USD
checked Sep 25
by date
8 rows held, cheapest first — the cheapest nonstop and the cheapest with stops seen for each departure date.
Nov 4 · 14:00 YOW
AC4552 stops · 13h35m
found Sep 19 · baggage and fare rules are shown by the seller — this price is the cached fare only
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 5 · 14:00 YOW
AC4552 stops · 13h35m
found Sep 19 · baggage and fare rules are shown by the seller — this price is the cached fare only
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 7 · 12:10 YOW
EI85512 stops · 19h30m
found Sep 19 · baggage and fare rules are shown by the seller — this price is the cached fare only
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 3 · 12:10 YOW
AC4512 stops · 15h25m
found Sep 19 · baggage and fare rules are shown by the seller — this price is the cached fare only
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 8 · 10:05 YOW
EI86472 stops · 17h30m
found Sep 19 · baggage and fare rules are shown by the seller — this price is the cached fare only
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 16 · 20:15 YOW
WS6192 stops · 55h20m
found Sep 25 · baggage and fare rules are shown by the seller — this price is the cached fare only
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 2 · 10:35 YOW
PD23312 stops · 26h55m
found Sep 19 · baggage and fare rules are shown by the seller — this price is the cached fare only
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 1 · 10:05 YOW
AC4472 stops · 17h30m
found Sep 19 · baggage and fare rules are shown by the seller — this price is the cached fare only
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
Marketing carriers; the operating airline is shown by the seller.
questions
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Return: Flights from London (LCY) to Ottawa (YOW) →Every route from Ottawa →Every route to London →
Other destinations with a cached fare from this origin, cheapest first.
Other origins with a cached fare to this destination, cheapest first.