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$604+ Cheap flights from London (LON) to Ottawa (YOW)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/16. Fares are subject to change and may not be available on all flights or dates of travel.
LON — YOW
Dec 23 — Dec 301
Mon 12/23
Mon 12/30
1 adult, Economy
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The best prices from London to Ottawa are usually found in February or January, booked 40 days in advance, depart on a Thursday or Sunday and return on a Sunday

Cheap flight deals from London to Ottawa

Discover tips and strategies to find the most affordable flight options for your journey from London (LON) to Ottawa (YOW). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 18, 2024.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$604
(Mytrip)

Popular in

August

Cheapest in

February

Average price

$919
Provider with most accurate pricing for London (LON)-Ottawa flight deals.
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Provider most trusted by Cheapflights users for London (LON)-Ottawa flights.
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From London (LON) to Ottawa
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High demand for flights, 13% potential price rise
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Best time to find cheap flights, 2% potential price drop
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Average for round-trip flights in December 2024
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Find flight deals from London to Ottawa

Cheapest flights from London to Ottawa
Explore the most affordable flight options available from London to Ottawa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2024.

This Lufthansa deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/241:30 pmLHR - YOW
2 stops15h 02mLufthansa
Tue 1/144:00 pmYOW - LHR
1 stop11h 30mLufthansa
Deal found 12/17$722
This SWISS deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/248:05 pmLHR - YOW
2 stops28h 17mSWISS
Tue 1/144:00 pmYOW - LHR
2 stops20h 50mSWISS
Deal found 12/17$730
This SWISS deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/246:45 pmLGW - YOW
2 stops29h 37mSWISS
Tue 1/144:00 pmYOW - LGW
2 stops20h 50mSWISS
Deal found 12/17$793
This KLM deal was found by Cheapflights users on 12/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/2411:45 amLHR - YOW
2 stops17h 25mMultiple Airlines
Tue 12/315:20 pmYOW - LHR
1 stop18h 15mMultiple Airlines
Deal found 12/18$822
This United Airlines deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/241:30 pmLHR - YOW
2 stops29h 59mUnited Airlines
Tue 12/316:20 amYOW - LHR
2 stops19h 20mUnited Airlines
Deal found 12/17$832
This KLM deal was found by Cheapflights users on 12/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/2411:45 amLHR - YOW
2 stops17h 25mKLM
Tue 12/315:20 pmYOW - LHR
2 stops12h 25mKLM
Deal found 12/18$895
This Air Canada deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/176:00 pmLHR - YOW
1 stop18h 37mAir Canada
Fri 1/37:05 pmYOW - LHR
1 stop11h 45mAir Canada
Deal found 12/17$1,189
This Air Transat deal was found by Cheapflights users on 12/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Transat is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/2411:40 amLGW - YOW
1 stop32h 32mAir Transat
Tue 12/317:45 amYOW - LGW
1 stop21h 00mAir Transat
Deal found 12/17$1,238
This Icelandair deal was found by Cheapflights users on 12/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/2411:55 amLGW - YOW
2 stops17h 15mMultiple Airlines
Tue 1/144:00 pmYOW - LGW
2 stops13h 55mMultiple Airlines
Deal found 12/16$1,776

Find flights from London to Ottawa within your budget

Customize your flight search to find flights from London to Ottawa that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated December 18, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Thu 1/16

8:55 am-1:51 pm

3 stops33h 56m

Ottawa

Sun 1/19

8:35 am-9:20 am

2 stops19h 45m

$604

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Tue 1/14

2:50 pm-12:45 am

1 stop14h 55m

Ottawa

Tue 1/21

6:30 am-12:50 pm

2 stops25h 20m

$606

LondonOttawa

LGW - YOW

LGWYOW

London Gatwick

Tue 1/14

11:40 am-12:40 am

1 stop18h 00m

Ottawa

Tue 1/21

8:00 am-9:45 am

1 stop20h 45m

$618

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Tue 1/14

11:45 am-12:10 am

2 stops17h 25m

Ottawa

Tue 1/21

5:20 pm-1:50 pm

2 stops15h 30m

$638

LondonOttawa

LGW - YOW

LGWYOW

London Gatwick

Tue 1/14

6:45 pm-7:22 pm

2 stops29h 37m

Ottawa

Tue 1/21

4:00 pm-5:50 pm

2 stops20h 50m

$680

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Wed 1/8

7:00 am-10:08 pm

2 stops20h 08m

Ottawa

Wed 1/22

11:00 am-8:05 am

2 stops16h 05m

$701

LondonOttawa

LGW - YOW

LGWYOW

London Gatwick

Tue 1/14

8:15 am-7:23 pm

3 stops40h 08m

Ottawa

Tue 1/21

5:00 pm-10:55 am

2 stops12h 55m

$776

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Tue 4/8

6:15 am-2:50 pm

1 stop13h 35m

Ottawa

Tue 4/15

5:00 pm-1:45 pm

1 stop15h 45m

$882

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Tue 4/15

6:15 am-3:05 pm

1 stop13h 50m

Ottawa

Tue 4/15

5:15 pm-10:30 am

1 stop12h 15m

$1,627

LondonOttawa

LGW - YOW

LGWYOW

London Gatwick

Tue 1/14

4:55 pm-10:08 pm

2 stops34h 13m

Ottawa

Tue 1/21

4:00 pm-9:30 pm

2 stops24h 30m

$2,126

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

Showing 1-10 of 11 results
1
2

Compare providers for flights from London to Ottawa

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from London to Ottawa in December.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on London-Ottawa flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on London-Ottawa flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from London-Ottawa flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on London-Ottawa flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for London-Ottawa flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from London to Ottawa

Have a flexible travel schedule? Discover the best time to fly to Ottawa from London with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights from London to Ottawa

Get recent, data-driven insights about flights from London to Ottawa including ideal travel times, pricing trends, and more.

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

Use this chart to determine the optimal time to book a round-trip flight from London to Ottawa. Price data was last updated on December 13, 2024.

To ensure you get the cheapest price possible for a flight from London to Ottawa, you should look to book at least 40 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from London to Ottawa?

Currently, January is the cheapest month in which you can book a flight from London to Ottawa (average of $294). Flying from London to Ottawa in June is currently the most expensive (average of $460). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Rainfall in Ottawa by month

Plan your trip to Ottawa by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Ottawa ranges from 2.0 - 3.7 inches per month. June is typically the wettest month, when rainfall can reach 3.7 in. February is typically the driest time to visit Ottawa when rainfall is around 2.0 in.

Temperature in Ottawa by month

Plan your trip to Ottawa by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Ottawa, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 14.0 F).

Reviews of airlines servicing Ottawa

Get insights into the airlines that provide service to Ottawa. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ottawa. Reviews last updated December 18, 2024.
Peruse reviews from past customers who have flown with SWISS, Air Transat and KLM from London to Ottawa to help guide your decision. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,349 reviews

Boarding

7.9

Comfort

7.7

Entertainment

7.2

Crew

8.4

Overall

7.8

Food

7.3

Reviews

1 / 10

Flight was late do to issues with loading stuff. One of the two bathrooms in business class was not working. WiFi did not work 80% of the time. My bag came out last even though it had a priority tag

KLM
7.8
Good
1,349 reviews
KLM
7.8
Good
1,349 reviews

Boarding

7.9

Comfort

7.7

Entertainment

7.2

Crew

8.4

Overall

7.8

Food

7.3

Reviews

1 / 10

Flight was late do to issues with loading stuff. One of the two bathrooms in business class was not working. WiFi did not work 80% of the time. My bag came out last even though it had a priority tag

Air Transat
7.8
Good
389 reviews
KLM
7.8
Good
1,349 reviews

Boarding

7.9

Comfort

7.7

Entertainment

7.2

Crew

8.4

Overall

7.8

Food

7.3

Reviews

1 / 10

Flight was late do to issues with loading stuff. One of the two bathrooms in business class was not working. WiFi did not work 80% of the time. My bag came out last even though it had a priority tag

SWISS
7.6
Good
1,606 reviews
KLM
7.8
Good
1,349 reviews

Boarding

7.9

Comfort

7.7

Entertainment

7.2

Crew

8.4

Overall

7.8

Food

7.3

Reviews

1 / 10

Flight was late do to issues with loading stuff. One of the two bathrooms in business class was not working. WiFi did not work 80% of the time. My bag came out last even though it had a priority tag

Virgin Atlantic
7.5
Good
668 reviews
KLM
7.8
Good
1,349 reviews

Boarding

7.9

Comfort

7.7

Entertainment

7.2

Crew

8.4

Overall

7.8

Food

7.3

Reviews

1 / 10

Flight was late do to issues with loading stuff. One of the two bathrooms in business class was not working. WiFi did not work 80% of the time. My bag came out last even though it had a priority tag

Air France
7.4
Good
1,504 reviews
KLM
7.8
Good
1,349 reviews

Boarding

7.9

Comfort

7.7

Entertainment

7.2

Crew

8.4

Overall

7.8

Food

7.3

Reviews

1 / 10

Flight was late do to issues with loading stuff. One of the two bathrooms in business class was not working. WiFi did not work 80% of the time. My bag came out last even though it had a priority tag

Related info for your journey

Find useful and relevant information for your journey from London to Ottawa. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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

    Ottawa (YOW) is the airport you will fly into if you book a flight from London to Ottawa. You should not have trouble finding flights to Ottawa from London; the airport handles an average of 0 inbound flights from London per day. You should also have plenty of airline options to choose from since 0 airlines have flights to the Ottawa airport from London. It is only a 6.6 mi journey from Ottawa (YOW) to Ottawa’s city center.

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

    Currently priced at $606, WestJet will fly you from London to Ottawa and back. In addition to WestJet, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Air Transat and KLM - these airlines can fly you to your destination from $618 and $638, respectively. You may be able to fly from London to Ottawa for 20% less than the average price by searching for these airlines.

  • Can I find deals for flights from London to Ottawa that include hotel bookings?

    Yes. In addition to deals on London to Ottawa flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from London to Ottawa?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from London to Ottawa.

  • Can I find deals for business class flights from London to Ottawa?

    Yes. Cheapflights offers flight deals from London to Ottawa by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from London to Ottawa?

    Currently, January is the cheapest month in which you can book a flight from London to Ottawa (average of $294). Flying from London to Ottawa in June is currently the most expensive (average of $460). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

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Alternative routes for London to Ottawa

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