Cheap flights from Ottawa to London

Round-trip
Economy
Ottawa (YOW)
London (LON)
Depart
Return
Any month
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The best prices from Ottawa to London are usually found in February or January, booked 46 days in advance, depart on a Wednesday or Tuesday and return on a Tuesday

How to find the cheapest flight from
Ottawa (YOW) to London (LON)

All the information you need to plan the best YOW to LON flight in 2021: compare Ottawa to London flight prices with the expected peak season, weather and rainfall in London.
YOW - LON
Price
C$ 713 - C$ 976
LON
Temperature
9 - 23 °C
LON
Rainfall
35 - 71 mm

Popular in

December

High demand for flights, 19% potential price rise

Cheapest in

February

Best time to find cheap flights, 9% potential price drop

Round-trip from

C$ 713

From Ottawa to London

One-way from

C$ 569

One-way flight from Ottawa to London

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
What is the cheapest day to fly round-trip from Ottawa to London?

Tuesday is generally a great day to depart. Flying on this day could help you save up to 8%.

How far in advance should I book a flight from Ottawa to London?

To save up to 22% on this flight, we recommend booking at least 52 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Ottawa to London from C$ 739 1-2 weeks out and tickets from C$ 844 for flights departing within the next 72 hours.

When is the cheapest time to fly from Ottawa to London (YOW - LON)?

A simple way to save on the total cost of your ticket is to fly from Ottawa to London in the evening. If you’re flexible enough to do this you can expect to save up to 12% on your trip compared to booking a flight in the afternoon.

Cheap flights from Ottawa to London in May, June 2021

The best prices found for YOW to LON flights for May, June
2 Jun - 1 Jul
C$ 736pp
YOW
Ottawa
Multiple Airlines
   
2 STOPS
LHR
London Heathrow
LHR
London Heathrow
KLM
   
2 STOPS
YOW
Ottawa
24 May - 4 Jun
C$ 740pp
YOW
Ottawa
KLM
   
2 STOPS
LHR
London Heathrow
LHR
London Heathrow
KLM
   
2 STOPS
YOW
Ottawa
2 Jun - 1 Jul
C$ 756pp
YOW
Ottawa
Air Canada
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
Air Canada
   
2 STOPS
YOW
Ottawa

Ottawa to London 2021 flight deals

Cheap flights to London from Ottawa found for this year
19 Nov - 21 Nov
C$ 582pp
YOW
Ottawa
WestJet
 
1 STOP
LGW
London Gatwick
LGW
London Gatwick
WestJet
 
1 STOP
YOW
Ottawa
22 Dec - 28 Dec
C$ 657pp
YOW
Ottawa
Multiple Airlines
 
1 STOP
LHR
London Heathrow
LHR
London Heathrow
SWISS
   
2 STOPS
YOW
Ottawa
22 Dec - 28 Dec
C$ 662pp
YOW
Ottawa
Multiple Airlines
   
2 STOPS
LHR
London Heathrow
LHR
London Heathrow
SWISS
   
2 STOPS
YOW
Ottawa

One-way flights to London from Ottawa

The cheapest one-way flights from Ottawa to London
5:10 p.m. - 1:45 p.m.
Multiple Airlines
3 stops
39h 35m
YOW - LTN
Multiple Airlines
C$ 569
Combigo

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Ottawa</span> to <span class="emphasized">London</span> flights.

Flight FAQs

From Ottawa to London

What airport do you fly from for flights from Ottawa to London?

Ottawa (YOW) is the airport you will fly out of if you book a flight from Ottawa to London. You should not have trouble finding flights to London from Ottawa; the airport handles an average of 0 outbound flights to London per day. You should also have plenty of airline options to choose from since 10 airlines have flights from the Ottawa airport to London. It is only a 10.6 km journey to Ottawa (YOW) from Ottawa’s city centre.

What safety measures are being taken by airlines flying from Ottawa to London to control the spread of COVID-19?

Delta is one of the many airlines that have implemented additional safety measures to control the spread of COVID-19. Some of the new policies that have been implemented to accommodate travellers flying from Ottawa to London are improved sanitation, HEPA filters, mask requirements, socially-distanced seating (for a limited time), and pre-flight testing for antibodies and symptoms. Policies will vary by airline.

Which airlines flying from Ottawa to London have flexible cancellations due to COVID-19?

Air Canada, WestJet, and Lufthansa are some of the carriers that may have flexible cancellation policies. You can use our site to filter for other airlines that may also have this kind of flexibility.

Can I find flights from Ottawa to London for under C$ 737 on Cheapflights?

Yes, there are multiple flights from Ottawa to London for under C$ 737. The cheapest flight booked recently is on WestJet for just C$ 721, but on average you can expect to pay C$ 742.

Are there direct flights from Ottawa to London for under C$ 737 on Cheapflights?

There are no direct flights from Ottawa to London, but Cheapflights can provide you with all the information you need to find the fastest route with the fewest stops.

Is Ottawa weather warmer or cooler than London?

Expect the weather to be around 27 °C on average in July. As the temperature peaks, try to get your plans done early, as flight price and availability will have an impact on your travels. The climate in London is generally colder than in Ottawa.

How long is the flight from Ottawa to London?

A quick flight from Ottawa to London can take about 8h 05m. Lufthansa provides one of the quickest options available for as low as C$ 769. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

What are the cheapest airlines to flying from Ottawa to London round-trip?

WestJet, at C$ 721, was found to be the cheapest airline from Ottawa to London.Alternate airlines to your destination round-trip include Lufthansa and KLM. WestJet is priced at 8% lower than the current average price of a flight leaving 3 months from now.

Alternative routes for Ottawa to London

See prices for flight routes from nearby airports that may be better suited for you.

Destination information for London

Things to know before you go - useful duration and weather info for your trip from Ottawa to London.
Today's exchange rate
C$ 1 = £0.59
Average temperature for May in London
18.0 °C
Avg rainfall for May in London
51.0 mm

Airports servicing Ottawa

Airports servicing London

Gatwick (LGW)
City (LCY)
Stansted (STN)
Luton (LTN)
Southend (SEN)

Top 6 airlines flying from Ottawa to London

The chart below displays the airlines Cheapflights users travelling from Ottawa to London choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Airline Cheapest Average Flexibility On-time COVID-19 safety
WestJet
C$ 522 C$ 694 No cancel fee 60%
Search WestJet flights
Lufthansa
C$ 552 C$ 723 No cancel fee 76%
Search Lufthansa flights
United Airlines
C$ 601 C$ 731 No cancel fee 69%
Search United Airlines flights
Air Canada
C$ 553 C$ 788 No cancel fee 67%
Search Air Canada flights
Virgin Atlantic
C$ 699 C$ 790 No cancel fee 72%
Search Virgin Atlantic flights
American Airlines
C$ 574 C$ 801 No cancel fee 71%
Search American Airlines flights
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