cached prices · United States fares · USD
The cheapest one-way fare from Ottawa to London we have seen is $356 USD, departing Nov 8 (found Sep 19): WestJet WS 611, 2 stops, 27h25m.
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
$356 USD
WestJet WS 611 · Nov 8 · 2 stops · 27h25m
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about this route
By month, Nov 2026 is the cheapest we hold at $356 USD and Oct 2026 the most expensive at $978 USD — a spread of 175%.
No nonstop fare is held for the 8 departure dates seen — every row has at least one stop; carriers seen: P3, Porter, WestJet.
YOW serves Ottawa, Canada; SEN serves London, United Kingdom.
London runs 5 hours ahead of Ottawa.
by month
Oct 2026
$978 USD
checked Sep 25
Nov 2026
$356 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 8 · 06:10 YOW
WS6112 stops · 27h25m
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 · 07:00 YOW
PD1503 stops · 26h35m
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 · 10:35 YOW
P323312 stops · 25h40m
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 4 · 10:35 YOW
P323312 stops · 27h00m
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 · 10:35 YOW
PD23312 stops · 27h10m
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 · 15:15 YOW
P323453 stops · 23h05m
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 2 · 17:40 YOW
PD21623 stops · 23h45m
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 · 14:00 YOW
PD2712 stops · 39h25m
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.
carriers
Marketing carriers; the operating airline is shown by the seller.
questions
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Return: Flights from London (SEN) 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.