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Cheap flights from London to Ottawa

3 nonstop flights a week. Operated by Air Canada, about 7h 55m in the air, 3,332 mi (5,362 km). Tickets from $526, nonstop from $2,045.

Flights from London to Ottawa

Pick a departure date to see flights and seller prices

We search agencies and airlines for your day: nonstop and connecting flights, baggage, departure and arrival times.

Prices by day: London to Ottawa

Lowest one-way price in dollars from recent searches, cheap days in green. Press a day to see flights and exact prices.

Filters

Best fares from London to Ottawa

Lowest one-way prices found by recent searches for the next 120 days; press a card to search that date

Cheapest one-way $526 1 December 2026, with a connection Cheapest nonstop $2,045 28 November 2026, Air Canada Cheapest weekend departure $547 Fri, 20 November 2026 Cheapest month December 2026 tickets from $526

London to Ottawa at a glance

flight time, from 7h 55m to 8h 5m
7h 55m
straight-line distance
3,332 mi (5,362 km)
flights a week
3
next flight
12 November
first and last departure
11:10 - 13:25
lowest price, with a connection, 1 December
$526
lowest nonstop price
$2,045
airline
1

London to Ottawa ticket prices by month

Lowest one-way fare found by recent searches

Cheapest month: December 2026, tickets from $526. Prices come from searches over the last few days; check the search for your exact date.

The most expensive month is August 2027: from $614. The average across months is $569.

London to Ottawa flight schedule

3 flights a week, 4 seasonal or one-off. Departure and arrival times are local.

FlightDepartsArrivesDurationDaysAircraft
AC 889
Air Canada
11:10 London Heathrow, terminal 2
14:05 Ottawa/Macdonald-Cartier International
7h 55m
Mon, Sat
Airbus A330-300
AC 889
Air Canada
13:25 London Heathrow, terminal 2
16:20 Ottawa/Macdonald-Cartier International
7h 55m
Thu
Airbus A330-300

Seasonal and one-off flights

Not operating in the next two weeks. The first of them is on 17 December.

FlightDepartsArrivesDurationDaysAircraft
AC 889
Air Canada
09:00 London Heathrow, terminal 2
12:05 Ottawa/Macdonald-Cartier International
8h 5m
Seasonal
Airbus A320
AC 889
Air Canada
09:30 London Heathrow, terminal 2
12:25 Ottawa/Macdonald-Cartier International
7h 55m
Seasonal
Airbus A330-300
AC 889
Air Canada
12:05 London Heathrow, terminal 2
15:00 Ottawa/Macdonald-Cartier International
7h 55m
Seasonal
Airbus A330-300
AC 889
Air Canada
14:10 London Heathrow, terminal 2
17:05 Ottawa/Macdonald-Cartier International
7h 55m
Seasonal
Airbus A330-300

Days of the week are taken from the schedule for the next 14 days; schedules change by season. Ottawa is 5 hours behind London. The search shows seat availability and the price for your date.

Airlines flying London to Ottawa

Flights a week by schedule and the cheapest nonstop fare of each airline found by recent searches

Air Canada3 a week
  • Air Canada: 1 flight, first departure at 11:10, last at 13:25, tickets from $2,045 on 28 November MTWTFSS Air Canada London to Ottawa

Airports

Where flights from London to Ottawa depart and land

Departure from London

London Heathrow LHR

3 flights a week, terminal 2, 14 mi (23 km) from the city centre

About the airport

Arrival in Ottawa

Ottawa/Macdonald-Cartier International YOW

3 flights a week, 6 mi (10 km) from the city centre

About the airport

Frequently asked questions

How long is the flight from London to Ottawa?
A nonstop flight takes 7 hours 55 minutes on average, from 7h 55m to 8h 5m depending on the flight.
How far is Ottawa from London?
3,332 mi (5,362 km) in a straight line between the cities.
Which airlines fly nonstop from London to Ottawa?
Air Canada (3 a week).
How many flights a day are there from London to Ottawa?
There are 3 a week, about 0.4 a day on average.
When are the first and last flights from London to Ottawa?
The first departure is at 11:10 (AC889), the last at 13:25 (AC889). Local time.
What is the cheapest month to fly from London to Ottawa?
December 2026: tickets from $526. The most expensive is August 2027, from $614.
What is the cheapest upcoming date to fly from London to Ottawa?
1 December 2026 (Tuesday): from $526 one way, with a connection, by recent searches. The search shows the price for your dates.
Which airline is the cheapest from London to Ottawa?
Air Canada: nonstop tickets from $2,045 on 28 November by recent searches. Prices change daily, so compare the sellers in the search.
What is the time difference between London and Ottawa?
Ottawa is 5 hours behind London. Schedule times on this page are local to each airport.
Which London airport do flights to Ottawa leave from?
London Heathrow (3 a week).