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

Currently priced at $654, KLM will fly you from London to Ottawa and back. In addition to KLM, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Lufthansa and SWISS - these airlines can fly you to your destination from $724 and $752, respectively. You may be able to fly from London to Ottawa for 13% 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 Air Transat ($542), Lufthansa ($757), and LOT ($961).

What is the cheapest day to fly from London to Ottawa?

Travelers seeking maximum savings on their London to Ottawa flight should consider departing on Thursday mornings when fares are most often at their lowest. Monday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

What is the cheapest day to fly round-trip from London to Ottawa?

Users have found that flying from London to Ottawa on a Thursday typically leans towards higher prices. However, this doesn’t mean you still can’t find a deal. Flexibility with other aspects of your flight can still land a great price for your trip.

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

Find a great deal and save up to 74% by booking at least 41 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from London to Ottawa within the next two weeks, with the cheapest ticket starting at $734.

What is the cheapest month to fly from London to Ottawa?

Due to multiple factors, expect to potentially pay more when booking in August. For low rates, February can be a great choice for travel to Ottawa. Flights to Ottawa from London in February are about $757 on average during February, but can be found for as low as $469.

What is the cheapest time of day to fly from LON to YOW?

It’s optimal to fly from London to Ottawa in the morning. By choosing this option you can save up to 4% on the cost of your flight, compared to a flight at noon.

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.

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 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.

$318+ Flights from London, England to Ottawa, Canada

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1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

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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

Most accurate provider	FlightHub 3 stars
Most trusted provider	FlightHub 3 stars
Popular in	August
Cheapest in	February
Round-trip from	$636 (KLM)
One-way from	$318 (Kiwi.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, 21% 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 November 20, 2024.

Sat 12/76:20 amLHR - YOW

1 stop13h 50mMultiple Airlines

Tue 12/105:20 pmYOW - LHR

2 stops15h 30mMultiple Airlines

Deal found 11/18

$639

Sat 11/2311:40 amLGW - YOW

1 stop26h 12mAir Transat

Sat 11/302:50 pmYOW - LGW

1 stop13h 55mAir Transat

Deal found 11/19

$643

Tue 12/1010:10 amLHR - YOW

2 stops19h 00mKLM

Sat 1/255:20 pmYOW - LHR

2 stops12h 25mKLM

Deal found 11/19

$654

Tue 11/197:35 pmLHR - YOW

2 stops33h 35mAir France

Tue 11/265:20 pmYOW - LHR

1 stop9h 40mAir France

Deal found 11/19

$684

Thu 12/261:30 pmLHR - YOW

2 stops15h 02mLufthansa

Wed 2/262:45 pmYOW - LHR

1 stop11h 25mLufthansa

Deal found 11/19

$748

Sat 12/78:55 amLHR - YOW

2 stops15h 27mSWISS

Tue 12/102:45 pmYOW - LHR

2 stops17h 55mSWISS

Deal found 11/19

$752

Tue 12/176:00 pmLHR - YOW

1 stop12h 37mAir Canada

Tue 12/245:35 pmYOW - LHR

1 stop22h 00mAir Canada

Deal found 11/19

$766

Thu 12/269:10 amLHR - YOW

2 stops44h 00mDelta

Wed 2/265:55 amYOW - LHR

2 stops24h 15mDelta

Deal found 11/19

$788

Sat 11/236:00 amLHR - YOW

2 stops17h 12mAustrian Airlines

Sat 11/306:10 pmYOW - LHR

2 stops57h 10mAustrian Airlines

Deal found 11/19

$940

Sat 11/233:10 pmLHR - YOW

1 stop11h 51mUnited Airlines

Sat 11/306:00 amYOW - LHR

2 stops19h 40mUnited Airlines

Deal found 11/18

$963

Tue 11/196:45 pmLGW - YOW

2 stops29h 37mSWISS

Tue 11/264:00 pmYOW - LGW

2 stops20h 50mSWISS

Deal found 11/19

$978

Thu 12/511:40 amLGW - YOW

1 stop11h 42mMultiple Airlines

Sun 12/85:25 pmYOW - LGW

2 stops17h 20mMultiple Airlines

Deal found 11/19

$1,037

Best flights from London to Ottawa
Discover carefully curated flight deals from London to Ottawa that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated November 20, 2024.

Wed 5/149:00 amLHR - YOW

1 stop10h 50mMultiple Airlines

Sun 5/255:00 pmYOW - LHR

2 stops12h 45mMultiple Airlines

Deal found 11/20

$636

Tue 12/1010:10 amLHR - YOW

2 stops19h 00mKLM

Sat 1/255:20 pmYOW - LHR

2 stops12h 25mKLM

Deal found 11/19

$654

Wed 5/1412:40 pmLHR - YOW

Nonstop7h 30mLufthansa

Mon 5/267:00 pmYOW - LHR

Nonstop6h 35mLufthansa

Deal found 11/20

$724

Sat 12/78:55 amLHR - YOW

2 stops15h 27mSWISS

Tue 12/102:45 pmYOW - LHR

2 stops17h 55mSWISS

Deal found 11/19

$752

Tue 12/176:00 pmLHR - YOW

1 stop12h 37mAir Canada

Tue 12/245:35 pmYOW - LHR

1 stop22h 00mAir Canada

Deal found 11/19

$766

Thu 12/269:10 amLHR - YOW

2 stops44h 00mDelta

Wed 2/265:55 amYOW - LHR

2 stops24h 15mDelta

Deal found 11/19

$788

Mon 1/64:00 pmLHR - YOW

2 stops30h 06mUnited Airlines

Sat 4/2610:30 amYOW - LHR

2 stops17h 50mUnited Airlines

Deal found 11/19

$862

Mon 12/2311:40 amLGW - YOW

1 stop11h 42mAir Transat

Mon 12/302:50 pmYOW - LGW

1 stop13h 55mAir Transat

Deal found 11/19

$871

Thu 4/109:00 amLHR - YOW

1 stop10h 50mVirgin Atlantic

Sun 4/275:00 pmYOW - LHR

1 stop10h 00mVirgin Atlantic

Deal found 11/19

$871

Mon 1/66:00 amLHR - YOW

2 stops15h 58mAustrian Airlines

Sat 4/2611:35 amYOW - LHR

2 stops29h 05mAustrian Airlines

Deal found 11/20

$1,060

Wed 12/186:30 amLHR - YOW

2 stops22h 02mLOT

Wed 12/258:15 pmYOW - LHR

2 stops16h 05mLOT

Deal found 11/20

$1,171

Sun 12/2210:40 amLGW - YOW

2 stops16h 28mTAP AIR PORTUGAL

Sun 12/292:10 pmYOW - LGW

2 stops20h 35mTAP AIR PORTUGAL

Deal found 11/19

$1,967

Last-minute flights from London to Ottawa
Discover last-minute flight deals from London to Ottawa. Data last updated November 20, 2024 and is based on user searches.

Sat 11/2311:40 amLGW - YOW

1 stop26h 12mAir Transat

Sat 11/302:50 pmYOW - LGW

1 stop13h 55mAir Transat

Deal found 11/19

$643

Sat 11/236:00 amLHR - YOW

2 stops17h 12mAustrian Airlines

Sat 11/306:10 pmYOW - LHR

2 stops57h 10mAustrian Airlines

Deal found 11/19

$940

Sat 11/233:10 pmLHR - YOW

1 stop11h 51mUnited Airlines

Sat 11/306:00 amYOW - LHR

2 stops19h 40mUnited Airlines

Deal found 11/18

$963

Tue 11/2610:00 amLHR - YOW

2 stops19h 10mMultiple Airlines

Tue 12/35:20 pmYOW - LHR

1 stop18h 15mMultiple Airlines

Deal found 11/19

$699

Tue 11/2610:00 amLHR - YOW

2 stops19h 10mKLM

Tue 12/35:20 pmYOW - LHR

2 stops15h 30mKLM

Deal found 11/19

$730

Thu 12/511:40 amLGW - YOW

1 stop11h 42mMultiple Airlines

Sun 12/85:25 pmYOW - LGW

2 stops17h 20mMultiple Airlines

Deal found 11/19

$1,037

Sat 12/76:20 amLHR - YOW

1 stop13h 50mMultiple Airlines

Tue 12/105:20 pmYOW - LHR

2 stops15h 30mMultiple Airlines

Deal found 11/18

$639

Sat 12/78:55 amLHR - YOW

2 stops15h 27mSWISS

Tue 12/102:45 pmYOW - LHR

2 stops17h 55mSWISS

Deal found 11/19

$752

Tue 12/1010:10 amLHR - YOW

2 stops19h 00mKLM

Sat 1/255:20 pmYOW - LHR

2 stops12h 25mKLM

Deal found 11/19

$654

Tue 12/176:00 pmLHR - YOW

1 stop12h 37mAir Canada

Tue 12/245:35 pmYOW - LHR

1 stop22h 00mAir Canada

Deal found 11/19

$766

Wed 12/186:30 amLHR - YOW

2 stops22h 02mLOT

Wed 12/258:15 pmYOW - LHR

2 stops16h 05mLOT

Deal found 11/20

$1,171

Sun 12/2210:40 amLGW - YOW

2 stops16h 28mTAP AIR PORTUGAL

Sun 12/292:10 pmYOW - LGW

2 stops20h 35mTAP AIR PORTUGAL

Deal found 11/19

$1,967

One-way flights from London to Ottawa
Search for one-way flight options from London to Ottawa. Find affordable one-way fares based on user searches. Data last updated November 20, 2024.

Thu 4/36:50 amLHR - YOW

2 stops22h 19mMultiple Airlines

Deal found 11/19

$318

Wed 1/1511:40 amLGW - YOW

1 stop25h 35mAir Transat

Deal found 11/20

$542

Mon 12/237:25 pmLGW - YOW

3 stops51h 57mMultiple Airlines

Deal found 11/19

$586

Fri 11/2911:10 amLHR - YOW

1 stop17h 22mLufthansa

Deal found 11/19

$757

Fri 12/206:30 amLHR - YOW

2 stops22h 02mLOT

Deal found 11/19

$961

Mon 12/232:50 pmLHR - YOW

1 stop30h 58mWestJet

Deal found 11/19

$1,004

Sun 12/2210:40 amLGW - YOW

2 stops19h 57mTAP AIR PORTUGAL

Deal found 11/19

$1,124

Thu 12/194:55 pmLGW - YOW

2 stops34h 13mTurkish Airlines

Deal found 11/20

$1,603

Mon 12/26:00 amLHR - YOW

2 stops21h 08mSWISS

Deal found 11/20

$1,675

Wed 12/47:10 pmLHR - YOW

3 stops34h 00mCathay Pacific

Deal found 11/20

$8,222

Find flights from London to Ottawa within your budget

Fly from

Fly to

Route

Depart

Return

Price

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Wed 5/14

9:00 am-2:50 pm

1 stop10h 50m

Ottawa

Sun 5/25

5:00 pm-10:45 am

2 stops12h 45m

$636

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Tue 12/10

10:10 am-12:10 am

2 stops19h 00m

Ottawa

Sat 1/25

5:20 pm-10:45 am

2 stops12h 25m

$654

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Wed 5/14

12:40 pm-3:10 pm

Nonstop7h 30m

Ottawa

Mon 5/26

7:00 pm-6:35 am

Nonstop6h 35m

$724

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Sat 12/7

8:55 am-7:22 pm

2 stops15h 27m

Ottawa

Tue 12/10

2:45 pm-1:40 pm

2 stops17h 55m

$752

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Tue 12/17

6:00 pm-1:37 am

1 stop12h 37m

Ottawa

Tue 12/24

5:35 pm-8:35 pm

1 stop22h 00m

$766

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Thu 12/26

9:10 am-12:10 am

2 stops44h 00m

Ottawa

Wed 2/26

5:55 am-11:10 am

2 stops24h 15m

$788

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Mon 1/6

4:00 pm-5:06 pm

2 stops30h 06m

Ottawa

Sat 4/26

10:30 am-9:20 am

2 stops17h 50m

$862

LondonOttawa

LGW - YOW

LGWYOW

London Gatwick

Mon 12/23

11:40 am-6:22 pm

1 stop11h 42m

Ottawa

Mon 12/30

2:50 pm-9:45 am

1 stop13h 55m

$871

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Thu 4/10

9:00 am-2:50 pm

1 stop10h 50m

Ottawa

Sun 4/27

5:00 pm-8:00 am

1 stop10h 00m

$871

LondonOttawa

LGW - YOW

LGWYOW

London Gatwick

Thu 12/5

11:40 am-6:22 pm

1 stop11h 42m

Ottawa

Sun 12/8

5:25 pm-3:45 pm

2 stops17h 20m

$1,037

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/19

Showing 1-10 of 24 results

Compare providers for flights from London to Ottawa

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from London to Ottawa in November.

Provider	Price Accuracy	Trust Score*
FlightHub	Price Accuracy3 stars	Trust Score*3 stars
eDreams	Price Accuracy3 stars	Trust 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?

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 $283). 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

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

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

Delta

8.0

Very good

8,756 reviews

Reviews

1 / 10

The plane had a mechanical error that delayed us by almost an hour. On the positive side the captain kept us all in the know

Delta

8.0

Very good

8,756 reviews

Delta

8.0

Very good

8,756 reviews

Reviews

1 / 10

The plane had a mechanical error that delayed us by almost an hour. On the positive side the captain kept us all in the know

KLM

7.8

Good

1,350 reviews

Delta

8.0

Very good

8,756 reviews

Reviews

1 / 10

The plane had a mechanical error that delayed us by almost an hour. On the positive side the captain kept us all in the know

Air Transat

7.8

Good

389 reviews

Delta

8.0

Very good

8,756 reviews

Reviews

1 / 10

The plane had a mechanical error that delayed us by almost an hour. On the positive side the captain kept us all in the know

LOT

7.6

Good

1,165 reviews

Delta

8.0

Very good

8,756 reviews

Reviews

1 / 10

The plane had a mechanical error that delayed us by almost an hour. On the positive side the captain kept us all in the know

Austrian Airlines

7.6

Good

805 reviews

Delta

8.0

Very good

8,756 reviews

Reviews

1 / 10

The plane had a mechanical error that delayed us by almost an hour. On the positive side the captain kept us all in the know

Related info for your journey

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 $654, KLM will fly you from London to Ottawa and back. In addition to KLM, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Lufthansa and SWISS - these airlines can fly you to your destination from $724 and $752, respectively. You may be able to fly from London to Ottawa for 13% 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 Air Transat ($542), Lufthansa ($757), and LOT ($961).
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 $283). 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

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for London to Ottawa

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$318+ 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 4/3. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from London to Ottawa with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

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

Most accurate provider

Most trusted provider

Popular in

Cheapest in

Round-trip from

One-way from

Find flight deals from London to Ottawa

Cheapest flights from London to OttawaExplore 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 November 20, 2024.

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 November 20, 2024.

Find flights from London to Ottawa within your budget

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 November.

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.

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 November 15, 2024.

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

Rainfall in Ottawa by month

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

Temperature in Ottawa by month

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

Reviews of airlines servicing Ottawa

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?

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

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

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

How can I find direct flights from London to Ottawa?

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

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for London to Ottawa

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

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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 November 20, 2024.