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Ottawa

$392+ 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 2/1. Fares are subject to change and may not be available on all flights or dates of travel.
LON — YOW
ene. 22 — ene. 291
mié. 1/22
mié. 1/29
1 adult, Economy
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The best prices from London to Ottawa are usually found in February or January, booked 14 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 enero 17, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$513
(KLM)

One-way from

$392
(Kiwi.com)

Popular in

August

Cheapest in

February

Average price

$635
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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One-way flight 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 January 2025
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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 enero 17, 2025.

This KLM deal was found by Cheapflights users on 1/16. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 1/3011:45 amLHR - YOW
2 stops17h 25mMultiple Airlines
lun. 2/35:20 pmYOW - LHR
1 stop15h 25mMultiple Airlines
Deal found 1/16$513
This Virgin Atlantic deal was found by Cheapflights users on 1/16. 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 Virgin Atlantic is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 2/186:20 amLHR - YOW
1 stop13h 50mVirgin Atlantic
mar. 2/255:20 pmYOW - LHR
1 stop15h 25mVirgin Atlantic
Deal found 1/16$514
This KLM deal was found by Cheapflights users on 1/16. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 1/3011:45 amLHR - YOW
2 stops17h 25mKLM
lun. 2/35:20 pmYOW - LHR
2 stops12h 25mKLM
Deal found 1/16$524
This Air France deal was found by Cheapflights users on 1/16. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 1/306:20 amLHR - YOW
1 stop13h 50mAir France
lun. 2/35:20 pmYOW - LHR
1 stop15h 25mAir France
Deal found 1/16$563
This Air Transat deal was found by Cheapflights users on 1/16. 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 Air Transat is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 1/2211:40 amLGW - YOW
1 stop32h 30mAir Transat
mié. 1/298:00 amYOW - LGW
1 stop20h 45mAir Transat
Deal found 1/16$599
This Kiwi.com deal was found by Cheapflights users on 1/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 1/222:50 pmLHR - YOW
1 stop14h 55mWestJet
mié. 1/298:10 pmYOW - LHR
2 stops35h 40mWestJet
Deal found 1/16$645
This SWISS deal was found by Cheapflights users on 1/16. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 5/76:35 pmLGW - YOW
2 stops31h 34mSWISS
mar. 5/203:55 pmYOW - LGW
2 stops20h 55mSWISS
Deal found 1/16$658
This SWISS deal was found by Cheapflights users on 1/16. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 5/56:40 pmLHR - YOW
2 stops31h 29mSWISS
mar. 5/203:55 pmYOW - LHR
2 stops20h 55mSWISS
Deal found 1/16$662
This Lufthansa deal was found by Cheapflights users on 1/16. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 5/52:05 pmLHR - YOW
Nonstop7h 20mLufthansa
jue. 5/227:00 pmYOW - LHR
Nonstop6h 35mLufthansa
Deal found 1/16$681
This United Airlines deal was found by Cheapflights users on 1/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 2/131:30 pmLHR - YOW
2 stops15h 24mUnited Airlines
jue. 2/203:11 pmYOW - LHR
2 stops14h 54mUnited Airlines
Deal found 1/16$739
This Mytrip deal was found by Cheapflights users on 1/16. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 4/38:55 amLGW - YOW
2 stops20h 14mMultiple Airlines
sáb. 4/265:10 pmYOW - LGW
1 stop12h 35mMultiple Airlines
Deal found 1/16$740
This Air Canada deal was found by Cheapflights users on 1/16. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 2/143:00 pmLHR - YOW
2 stops15h 37mAir Canada
vie. 2/215:35 pmYOW - LHR
1 stop22h 00mAir Canada
Deal found 1/16$796

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 enero 17, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

jue. 1/30

11:45 am-12:10 am

2 stops17h 25m

Ottawa

lun. 2/3

5:20 pm-1:45 pm

1 stop15h 25m

$513

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

mar. 2/18

6:20 am-3:10 pm

1 stop13h 50m

Ottawa

mar. 2/25

5:20 pm-1:45 pm

1 stop15h 25m

$514

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

jue. 1/30

11:45 am-12:10 am

2 stops17h 25m

Ottawa

lun. 2/3

5:20 pm-10:45 am

2 stops12h 25m

$523

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

jue. 1/30

6:20 am-3:10 pm

1 stop13h 50m

Ottawa

lun. 2/3

5:20 pm-1:45 pm

1 stop15h 25m

$563

LondonOttawa

LGW - YOW

LGWYOW

London Gatwick

dom. 5/4

12:40 pm-10:06 am

1 stop26h 26m

Ottawa

mar. 5/20

2:25 pm-10:45 am

1 stop15h 20m

$602

LondonOttawa

LGW - YOW

LGWYOW

London Gatwick

mié. 5/7

6:35 pm-9:09 pm

2 stops31h 34m

Ottawa

mar. 5/20

3:55 pm-5:50 pm

2 stops20h 55m

$658

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

lun. 5/5

6:40 pm-9:09 pm

2 stops31h 29m

Ottawa

mar. 5/20

3:55 pm-5:50 pm

2 stops20h 55m

$662

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

jue. 2/13

6:30 am-5:22 pm

2 stops15h 52m

Ottawa

jue. 2/20

2:45 pm-7:10 am

1 stop11h 25m

$680

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

jue. 2/13

1:30 pm-11:54 pm

2 stops15h 24m

Ottawa

jue. 2/20

3:11 pm-11:05 am

2 stops14h 54m

$739

LondonOttawa

LGW - YOW

LGWYOW

London Gatwick

jue. 4/3

8:55 am-12:09 am

2 stops20h 14m

Ottawa

sáb. 4/26

5:10 pm-10:45 am

1 stop12h 35m

$740

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/16

Showing 1-10 of 19 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 January.
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 January 10, 2025.

To ensure you get the cheapest price possible for a flight from London to Ottawa, you should look to book at least 14 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 May is currently the most expensive (average of $474). 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 enero 17, 2025.
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
1,339 reviews

Entertainment

7.2

Food

7.3

Overall

7.8

Comfort

7.7

Crew

8.4

Boarding

7.8

Reviews

1 / 10

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

KLM
7.8
Good
1,339 reviews
KLM
7.8
Good
1,339 reviews

Entertainment

7.2

Food

7.3

Overall

7.8

Comfort

7.7

Crew

8.4

Boarding

7.8

Reviews

1 / 10

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

Air Transat
7.8
Good
381 reviews
KLM
7.8
Good
1,339 reviews

Entertainment

7.2

Food

7.3

Overall

7.8

Comfort

7.7

Crew

8.4

Boarding

7.8

Reviews

1 / 10

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

LOT
7.6
Good
1,112 reviews
KLM
7.8
Good
1,339 reviews

Entertainment

7.2

Food

7.3

Overall

7.8

Comfort

7.7

Crew

8.4

Boarding

7.8

Reviews

1 / 10

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

Austrian Airlines
7.6
Good
786 reviews
KLM
7.8
Good
1,339 reviews

Entertainment

7.2

Food

7.3

Overall

7.8

Comfort

7.7

Crew

8.4

Boarding

7.8

Reviews

1 / 10

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

SWISS
7.5
Good
1,598 reviews
KLM
7.8
Good
1,339 reviews

Entertainment

7.2

Food

7.3

Overall

7.8

Comfort

7.7

Crew

8.4

Boarding

7.8

Reviews

1 / 10

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

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 $514, 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 France - these airlines can fly you to your destination from $523 and $563, respectively. You may be able to fly from London to Ottawa for 32% 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 May is currently the most expensive (average of $474). 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

Traveling to a place near London?

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Gatineau
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