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Cheap flights from London to Ottawa

One-way from £328, found by travellers in the last 7 days. Aviasales checks the live price.

Departure
Return
Prices for nearby dates
Sun, Nov 22Any priceMon, Nov 23Any priceTue, Nov 24Any priceWed, Nov 25£328Thu, Nov 26Any priceFri, Nov 27£351Sat, Nov 28Any priceSun, Nov 29Any price

Cheapest one-way tickets

Recent finds on different dates, for 1 adult. Baggage and fare rules are shown on Aviasales, where the price is checked live.

Cheapest
£328
easyJet, flight U2 8407Found yesterday, 1 adult
Check price on Aviasales
16:45LondonWed, Nov 25
Travel time 14h 36m, 2 stopsLGWYOW
02:21OttawaThu, Nov 26
£328
Ryanair, flight FR 2362Found yesterday, 1 adult
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20:35LondonTue, Dec 1
Travel time 18h 1m, 3 stopsSTNYOW
09:36OttawaWed, Dec 2
£335
easyJet, flight U2 8407Found yesterday, 1 adult
Check price on Aviasales
16:45LondonMon, Nov 30
Travel time 14h 36m, 2 stopsLGWYOW
02:21OttawaTue, Dec 1
£351
Ryanair, flight FR 287Found yesterday, 1 adult
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20:10LondonFri, Nov 27
Travel time 16h 16m, 3 stopsSTNYOW
07:26OttawaSat, Nov 28
£368
Wizz Air UK, flight W9 5737Found 3 days ago, 1 adult
Check price on Aviasales
06:00LondonFri, Nov 13
Travel time 13h 25m, 3 stopsLGWYOW
14:25OttawaFri, Nov 13

Plan the rest of the trip

  • Mobile data in CanadaTravel eSIM from $7, installed before you fly.
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  • Flight delayed?Arrived 3+ hours late, cancelled at short notice or bumped? Up to £520 per person under UK261.
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Price calendar

The lowest one-way fare found for each day over the next 60 days. A dash means no recent fare; you can still pick that day.

October 2026

MoTuWeThFrSaSu1234–5£4866–7–8–9£39210–11–12£46113–14£39315£39616£40617£46318–19–20–21–22£43023£45024£48525£43726£40127–28–29–30–31–

November 2026

MoTuWeThFrSaSu1£4062–3–4–5–6–7–8–9–10–11–12–13£36814–15–16–17–18–19–20–21–22–23–24–25£32826–27£35128–29–30£335

December 2026

MoTuWeThFrSaSu1£3282–345678910111213141516171819202122232425262728293031
£351 or lessGreen: the cheapest fifth of fares on this route. Lowest in these 60 days: Nov 25, £328.

Lowest fares by month

In the fares found this week, November has the lowest: from £328 one-way, against £392 in October. Pick a month to see its cheapest date.

£0£200£400Oct£328NovDecJanFebMarAprMayJunJulAugSep
Show as a table
MonthCheapest one-wayDateStops
October£392Fri, Oct 92 stops
November£328Wed, Nov 252 stops
December£328Tue, Dec 13 stops
January 2027—
February 2027—
March 2027—
April 2027—
May 2027—
June 2027—
July 2027—
August 2027—
September 2027—

Questions travellers ask

What is the cheapest month to fly from London to Ottawa?

In the fares found this week, November has the lowest: from £328 one-way, against £392 in October.

Are there direct flights from London to Ottawa?

Yes. Recent fares include nonstop flights with Air Transat.

How long is the flight from London to Ottawa?

A nonstop flight takes about 8h. The distance is 5,373 km.

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