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$421+ Cheap flights from London (LON) to Ottawa (YOW)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/1. Fares are subject to change and may not be available on all flights or dates of travel.
LON — YOW
Oct 28 — Nov 41
Mon 10/28
Mon 11/4
1 adult, Economy
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LON - YOW
Oct 28 - Nov 4

Find cheap flights from London to Ottawa with Cheapflights

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The best prices from London to Ottawa are usually found in November 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 October 23, 2024.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Popular in

August

Cheapest in

November

Round-trip from

$606
(Virgin Atlantic)

One-way from

$421
(Trip.com)
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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High demand for flights, 22% potential price rise
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Best time to find cheap flights, 23% potential price drop
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From London (LON) to Ottawa
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One-way flight from London (LON) to Ottawa
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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 October 23, 2024.

This Air Transat deal was found by Cheapflights users on 10/23. 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 11/2611:40 amLGW - YOW
1 stop11h 42mAir Transat
Sun 12/82:50 pmYOW - LGW
1 stop13h 55mAir Transat
Deal found 10/23$634
This KLM deal was found by Cheapflights users on 10/22. 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 11/1911:45 amLHR - YOW
2 stops17h 25mMultiple Airlines
Tue 11/265:20 pmYOW - LHR
1 stop20h 00mMultiple Airlines
Deal found 10/22$635
This Kiwi.com deal was found by Cheapflights users on 10/23. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/202:50 pmLHR - YOW
2 stops35h 00mWestJet
Wed 11/273:55 pmYOW - LHR
1 stop15h 55mWestJet
Deal found 10/23$646
This KLM deal was found by Cheapflights users on 10/23. 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.
Thu 11/2111:45 amLHR - YOW
2 stops17h 25mKLM
Thu 11/285:20 pmYOW - LHR
2 stops15h 30mKLM
Deal found 10/23$657
This Mytrip deal was found by Cheapflights users on 10/23. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/2011:40 amLGW - YOW
2 stops31h 11mMultiple Airlines
Wed 11/276:15 amYOW - LGW
2 stops22h 30mMultiple Airlines
Deal found 10/23$667
This Lufthansa deal was found by Cheapflights users on 10/22. 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.
Wed 11/1311:10 amLHR - YOW
1 stop13h 12mLufthansa
Tue 11/192:45 pmYOW - LHR
1 stop11h 25mLufthansa
Deal found 10/22$685
This SWISS deal was found by Cheapflights users on 10/22. 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.
Wed 11/138:55 amLHR - YOW
2 stops15h 27mSWISS
Tue 11/194:00 pmYOW - LHR
2 stops20h 50mSWISS
Deal found 10/22$703
This SWISS deal was found by Cheapflights users on 10/22. 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.
Wed 11/206:45 pmLGW - YOW
2 stops29h 37mSWISS
Sun 11/244:00 pmYOW - LGW
2 stops20h 50mSWISS
Deal found 10/22$765
This Austrian Airlines deal was found by Cheapflights users on 10/23. 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 Austrian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/176:00 amLHR - YOW
2 stops24h 37mAustrian Airlines
Wed 1/1511:35 amYOW - LHR
2 stops29h 05mAustrian Airlines
Deal found 10/23$769
This United Airlines deal was found by Cheapflights users on 10/23. 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.
Wed 10/309:10 amLHR - YOW
2 stops16h 14mUnited Airlines
Tue 11/510:30 amYOW - LHR
1 stop15h 10mUnited Airlines
Deal found 10/23$787
This Air Canada deal was found by Cheapflights users on 10/22. 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.
Fri 12/63:00 pmLHR - YOW
2 stops15h 37mAir Canada
Fri 12/137:05 pmYOW - LHR
1 stop11h 45mAir Canada
Deal found 10/22$797
This Turkish Airlines deal was found by Cheapflights users on 10/23. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/175:50 amLGW - YOW
2 stops21h 53mTurkish Airlines
Wed 1/154:45 pmYOW - LGW
2 stops23h 45mTurkish Airlines
Deal found 10/23$1,626

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 2,464,459 searches. Data last updated October 23, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$606 - $1,374

Route

Depart

Return

Price

London HeathrowOttawa

LHR - YOW

LHRYOW

London Heathrow

Thu 12/5

1 stop13h 50m

Ottawa

Sun 12/8

1 stop15h 25m

$606

London HeathrowOttawa

LHR - YOW

LHRYOW

London Heathrow

Sun 1/12

2 stops17h 25m

Ottawa

Sun 1/26

1 stop20h 00m

$608

London HeathrowOttawa

LHR - YOW

LHRYOW

London Heathrow

Sun 1/12

2 stops17h 25m

Ottawa

Sat 1/25

2 stops12h 25m

$630

London GatwickOttawa

LGW - YOW

LGWYOW

London Gatwick

Tue 11/26

1 stop18h 02m

Ottawa

Mon 12/9

1 stop13h 55m

$634

London HeathrowOttawa

LHR - YOW

LHRYOW

London Heathrow

Wed 11/13

1 stop13h 12m

Ottawa

Tue 11/19

1 stop11h 25m

$685

London HeathrowOttawa

LHR - YOW

LHRYOW

London Heathrow

Wed 11/13

2 stops15h 27m

Ottawa

Tue 11/19

2 stops20h 50m

$703

London GatwickOttawa

LGW - YOW

LGWYOW

London Gatwick

Thu 12/5

2 stops17h 15m

Ottawa

Sun 12/8

2 stops19h 55m

$705

London HeathrowOttawa

LHR - YOW

LHRYOW

London Heathrow

Sun 11/17

2 stops24h 37m

Ottawa

Wed 1/15

2 stops39h 45m

$771

London HeathrowOttawa

LHR - YOW

LHRYOW

London Heathrow

Fri 12/6

2 stops15h 37m

Ottawa

Fri 12/13

1 stop11h 45m

$797

London HeathrowOttawa

LHR - YOW

LHRYOW

London Heathrow

Fri 12/6

2 stops16h 24m

Ottawa

Fri 12/13

2 stops14h 50m

$832

London HeathrowOttawa

LHR - YOW

LHRYOW

London Heathrow

Sun 11/3

1 stop14h 55m

Ottawa

Fri 11/8

1 stop15h 55m

$986

London GatwickOttawa

LGW - YOW

LGWYOW

London Gatwick

Mon 2/3

2 stops20h 37m

Ottawa

Fri 2/7

2 stops18h 05m

$1,374

Flights are sorted by cheapest first

Deals found on 10/23

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 October.
ProviderPrice AccuracyTrust Score*Cancellation Policy
eDreamsPrice Accuracy3 starsTrust Score*3 starsCancellation PolicyAirline Policy
FlightHubPrice Accuracy3 starsTrust Score*3 starsCancellation PolicyAirline Policy

*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 October 18, 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.

Find deals

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 $289). 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 October 23, 2024.
Peruse reviews from past customers who have flown with KLM, Air Transat and SWISS 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
1,354 reviews

Crew

8.4

Entertainment

7.2

Food

7.3

Comfort

7.7

Overall

7.8

Boarding

7.9

Reviews

1 / 10

Liked the service, seating was ok but the seat supports where in a way that one couldn’t stretch your legs

KLM
7.8
Good
1,354 reviews
KLM
7.8
Good
1,354 reviews

Crew

8.4

Entertainment

7.2

Food

7.3

Comfort

7.7

Overall

7.8

Boarding

7.9

Reviews

1 / 10

Liked the service, seating was ok but the seat supports where in a way that one couldn’t stretch your legs

Air Transat
7.8
Good
389 reviews
KLM
7.8
Good
1,354 reviews

Crew

8.4

Entertainment

7.2

Food

7.3

Comfort

7.7

Overall

7.8

Boarding

7.9

Reviews

1 / 10

Liked the service, seating was ok but the seat supports where in a way that one couldn’t stretch your legs

Austrian Airlines
7.7
Good
837 reviews
KLM
7.8
Good
1,354 reviews

Crew

8.4

Entertainment

7.2

Food

7.3

Comfort

7.7

Overall

7.8

Boarding

7.9

Reviews

1 / 10

Liked the service, seating was ok but the seat supports where in a way that one couldn’t stretch your legs

SWISS
7.6
Good
1,644 reviews
KLM
7.8
Good
1,354 reviews

Crew

8.4

Entertainment

7.2

Food

7.3

Comfort

7.7

Overall

7.8

Boarding

7.9

Reviews

1 / 10

Liked the service, seating was ok but the seat supports where in a way that one couldn’t stretch your legs

Virgin Atlantic
7.6
Good
667 reviews
KLM
7.8
Good
1,354 reviews

Crew

8.4

Entertainment

7.2

Food

7.3

Comfort

7.7

Overall

7.8

Boarding

7.9

Reviews

1 / 10

Liked the service, seating was ok but the seat supports where in a way that one couldn’t stretch your legs

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.

  • Can I find flights from London to Ottawa for under $700 on Cheapflights?

    Yes, there are multiple flights from London to Ottawa for under $700. The cheapest flight booked recently is on Virgin Atlantic for just $606, but on average you can expect to pay $776.

  • Are there last-minute flights available from London to Ottawa for under $800?

    There are currently 9+ open flights from London to Ottawa within the next 7 days for less than $800.

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

    Currently priced at $606, Virgin Atlantic will fly you from London to Ottawa and back. In addition to Virgin Atlantic, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from KLM and Air Transat - these airlines can fly you to your destination from $630 and $634, respectively. You may be able to fly from London to Ottawa for 19% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from London to Ottawa one-way?

    The cheapest airlines for a one-way flight from London to Ottawa are WestJet ($421), Air Transat ($556), and Lufthansa ($777).

  • What does LHR to YOW mean?

    Great question - LHR to YOW just means London Heathrow Airport to Ottawa Airport. Now you’ll know what these unique codes when you look for flights! While you’re still figuring out your travel plans, it’s not a bad idea to learn the names and codes of other airports around these areas: London Gatwick Airport (LGW), London Stansted Airport (STN), London Luton Airport (LTN), London City Airport (LCY), London Southend Airport (SEN).

  • Can I find deals for flights from London to Ottawa that include extra baggage allowance?

    The amount of baggage you can bring on your London to Ottawa flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from London to Ottawa with specific airlines?

    Yes, Cheapflights allows you to browse and filter London to Ottawa flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by 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.

  • Can I find deals for flights from London to Ottawa that allow pets onboard?

    Many airlines flying from London to Ottawa offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from London to Ottawa?

    Yes, you can often find last-minute deals on London to Ottawa flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the London to Ottawa flight deals updated?

    The London to Ottawa flight deals you see on this page were last updated on 10/23.

  • 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 $289). 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.

See more FAQs

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