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Cheap flights from London to Ottawa from £219

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 3/4. Fares are subject to change and may not be available on all flights or dates of travel.
LON — YOW
26 Nov — 3 Dec1
1 adult

The best prices from London to Ottawa are usually found in February or January, booked 40 days in advance, depart on a Tuesday or Wednesday 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 21 November 2024.

Round-trip from

£498

One-way from

£219

Popular in

August

Cheapest in

February
Air France
  • Air France
  • 23/12-30/12
  • 2 total stops
  • 42h 50m total
  • London to Ottawa
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3/4
  • 3/4
  • 2 total stops
  • 22h 14m total
  • London to Ottawa
Search Deals
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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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 21 November 2024.

Mon 23/1219:35LHR - YOW
1 stop24h 35mAir France
Mon 30/1217:20YOW - LHR
1 stop18h 15mAir France
Deal found 20/11£498
Thu 5/1214:50LHR - YOW
1 stop14h 56mMultiple Airlines
Sun 8/1206:25YOW - LHR
2 stops25h 25mMultiple Airlines
Deal found 19/11£507
Tue 10/1210:10LHR - YOW
2 stops19h 00mKLM
Sat 25/117:20YOW - LHR
2 stops12h 25mKLM
Deal found 20/11£517
Mon 23/1219:35LHR - YOW
1 stop24h 35mVirgin Atlantic
Mon 30/1217:20YOW - LHR
1 stop20h 00mVirgin Atlantic
Deal found 20/11£536
Sat 23/1111:40LGW - YOW
1 stop11h 42mAir Transat
Sat 30/1114:50YOW - LGW
1 stop13h 55mAir Transat
Deal found 21/11£538
Tue 10/1215:00LHR - YOW
2 stops15h 37mAir Canada
Sat 25/113:00YOW - LHR
1 stop13h 10mAir Canada
Deal found 19/11£575
Sat 14/1218:00LHR - YOW
1 stop20h 46mLufthansa
Sun 12/114:45YOW - LHR
1 stop11h 25mLufthansa
Deal found 20/11£634
Wed 4/1207:10LHR - YOW
2 stops21h 44mUnited Airlines
Tue 17/1217:50YOW - LHR
2 stops17h 30mUnited Airlines
Deal found 20/11£665
Sat 30/1111:40LGW - YOW
1 stop17h 30mMultiple Airlines
Sat 7/1206:30YOW - LGW
2 stops22h 15mMultiple Airlines
Deal found 20/11£705
Mon 23/1220:05LCY - YOW
2 stops24h 05mKLM
Mon 30/1217:20YOW - LCY
2 stops19h 05mKLM
Deal found 20/11£738
Tue 10/1209:15LCY - YOW
2 stops15h 07mSWISS
Sat 25/116:00YOW - LCY
2 stops15h 40mSWISS
Deal found 20/11£741
Mon 23/1218:15LCY - YOW
3 stops34h 55mMultiple Airlines
Mon 30/1205:55YOW - LCY
2 stops22h 30mMultiple Airlines
Deal found 20/11£778

Find flights from London to Ottawa within your budget

Customise 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 939,815 searches. Data last updated 21 November 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Mon 23/12

19:35-15:10

1 stop24h 35m

Ottawa

Mon 30/12

17:20-16:35

1 stop18h 15m

£498

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Tue 6/5

06:30-14:50

2 stops13h 20m

Ottawa

Tue 13/5

17:00-10:45

2 stops12h 45m

£500

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Wed 14/5

09:00-14:50

1 stop10h 50m

Ottawa

Sun 25/5

17:00-10:45

2 stops12h 45m

£502

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Sat 1/3

09:00-15:10

1 stop11h 10m

Ottawa

Thu 20/3

18:20-08:00

1 stop9h 40m

£505

LondonOttawa

LGW - YOW

LGWYOW

London Gatwick

Sat 1/3

11:40-08:17

1 stop25h 37m

Ottawa

Thu 20/3

10:30-09:45

1 stop19h 15m

£521

LondonOttawa

LCY - YOW

LCYYOW

London City

Tue 6/5

07:45-14:50

2 stops12h 05m

Ottawa

Tue 13/5

17:00-09:30

2 stops11h 30m

£525

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Mon 6/1

09:00-12:06

1 stop32h 06m

Ottawa

Sat 26/4

17:57-20:40

1 stop21h 43m

£541

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Mon 6/1

09:00-16:56

1 stop12h 56m

Ottawa

Thu 22/5

11:05-10:00

1 stop17h 55m

£558

LondonOttawa

LCY - YOW

LCYYOW

London City

Wed 15/1

09:25-19:22

2 stops14h 57m

Ottawa

Mon 27/1

16:00-12:50

2 stops15h 50m

£610

LondonOttawa

LGW - YOW

LGWYOW

London Gatwick

Mon 3/2

11:55-00:09

2 stops17h 14m

Ottawa

Fri 28/2

05:55-10:55

2 stops24h 00m

£632

Flights are sorted by cheapest return flights first.

Deals found on 19/11

Showing 1-10 of 41 results
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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 return 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 return flight from London to Ottawa. Price data was last updated on 15 November 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, November is the cheapest month in which you can book a flight from London to Ottawa (average of £532). Flying from London to Ottawa in June is currently the most expensive (average of £760). 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.

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

Find hourly flight availability from London to Ottawa. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 21 November 2024.

It’s typically best to fly out from London to Ottawa in the evening. Doing so could potentially save you 15% on the flight price compared to flying at midday, which is usually more expensive.

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

Use this chart to determine the cheapest time to fly return from London to Ottawa. Price data was last updated on 18 November 2024.

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

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 50.0 - 93.0 inches per month. June is typically the wettest month, when rainfall can reach 93.0 mm. February is typically the driest time to visit Ottawa when rainfall is around 50.0 mm.

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 21.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -10.0 C).

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 21 November 2024.
Read reviews from past customers who have flown KLM, SWISS and Air France from London to Ottawa. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,350 reviews
Check prices

Comfort

7.7

Crew

8.4

Entertainment

7.2

Boarding

7.9

Food

7.3

Overall

7.8

Reviews

1 / 10

Flight performed by El Al. The aircraft was dirty. Gum in front pcket. Poorly maintained.

KLM
7.8
Good
1,350 reviews
KLM
7.8
Good
1,350 reviews
Check prices

Comfort

7.7

Crew

8.4

Entertainment

7.2

Boarding

7.9

Food

7.3

Overall

7.8

Reviews

1 / 10

Flight performed by El Al. The aircraft was dirty. Gum in front pcket. Poorly maintained.

Air Transat
7.8
Good
389 reviews
KLM
7.8
Good
1,350 reviews
Check prices

Comfort

7.7

Crew

8.4

Entertainment

7.2

Boarding

7.9

Food

7.3

Overall

7.8

Reviews

1 / 10

Flight performed by El Al. The aircraft was dirty. Gum in front pcket. Poorly maintained.

LOT
7.6
Good
1,165 reviews
KLM
7.8
Good
1,350 reviews
Check prices

Comfort

7.7

Crew

8.4

Entertainment

7.2

Boarding

7.9

Food

7.3

Overall

7.8

Reviews

1 / 10

Flight performed by El Al. The aircraft was dirty. Gum in front pcket. Poorly maintained.

Austrian Airlines
7.6
Good
805 reviews
KLM
7.8
Good
1,350 reviews
Check prices

Comfort

7.7

Crew

8.4

Entertainment

7.2

Boarding

7.9

Food

7.3

Overall

7.8

Reviews

1 / 10

Flight performed by El Al. The aircraft was dirty. Gum in front pcket. Poorly maintained.

SWISS
7.6
Good
1,637 reviews
KLM
7.8
Good
1,350 reviews
Check prices

Comfort

7.7

Crew

8.4

Entertainment

7.2

Boarding

7.9

Food

7.3

Overall

7.8

Reviews

1 / 10

Flight performed by El Al. The aircraft was dirty. Gum in front pcket. Poorly maintained.

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?

    If you book a flight to Ottawa from London, you will be flying to Ottawa, which is the city’s only airport. Ottawa (YOW) is located 6.6 mi from the center of Ottawa. There are 0 flights from London to Ottawa per day from 7 different airlines.

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

    Air France, at £498, was found to be the cheapest airline from London to Ottawa.Alternate airlines flying return to your destination include KLM and Virgin Atlantic. Users have found that Air France is 16% cheaper than the other options available to this destination.

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

    For one-way options, check prices for WestJet. According to our data, you can fly for as low as £298. Users have also found prices from £428 and £579 on Air Transat and Aer Lingus, respectively.

  • What are the most popular routes from London to Ottawa?

    When deciding which route to take from London to Ottawa consider London Heathrow - Ottawa, London Gatwick - Ottawa or London City - Ottawa as they are the most popular.

  • What are the cheapest flights from London to Ottawa?

    Looking for the cheapest flight from London to Ottawa? While on average our users pay £703, our data indicates the cheapest price to be £457. The most popular route (London Heathrow - Ottawa), is priced around £466.

  • Where are the most common stopover locations when flying from London to Ottawa?

    London to Ottawa flights have a stopover in Paris most of the time. Paris is followed by Montreal in terms of the most popular stopover location on flights from London to Ottawa.

  • What are some popular things to do or see while on a stopover in Paris?

    Most Paris visitors opt to spend their time experiencing Eiffel Tower, Champs-Elysées, and Arc De Triomphe. Eiffel Tower, Champs-Elysées and Arc De Triomphe are located about 15.8 mi, 14.7 mi, and 15.0 mi, respectively from Paris Charles de Gaulle if you are interested in checking them out. Those landing in Paris looking to spend some time exploring during their stopover can hire a car for about £33 per day.

  • Where are the least popular stopover locations for London to Ottawa flights?

    The least popular stopover on flights from London to Ottawa is Toronto.

  • 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 holiday 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, November is the cheapest month in which you can book a flight from London to Ottawa (average of £532). Flying from London to Ottawa in June is currently the most expensive (average of £760). 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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Fly from London to Ottawa on these airlines

Choose from the following airlines for your flight from London to Ottawa. Flights are based on user searches made on Cheapflights and were last updated on 21 November 2024.
Air Canada flights from London to Ottawa
Air Transat flights from London to Ottawa
Lufthansa flights from London to Ottawa

Top 7 airlines flying from London to Ottawa

Discover the top 7 airlines that operate flights from London to Ottawa. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 939,815 searches. Data last updated 21 November 2024.
AirlineCheapestAverageFlexibilityOn-time
Virgin AtlanticCheapest£365Average£471FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
Air FranceCheapest£395Average£477FlexibilityNo cancel feeOn-time77%
Search Air France flights
KLMCheapest£415Average£526FlexibilityNo cancel feeOn-time75%
Search KLM flights
Air TransatCheapest£448Average£566FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
LufthansaCheapest£474Average£631FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Air CanadaCheapest£504Average£623FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapest£559Average£761FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

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How does Cheapflights help users find flights from London to Ottawa?

Cheapflights makes it easy to find London to Ottawa flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from London to Ottawa?

Cheapflights helps you find that perfect flight to Ottawa from London by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from London to Ottawa with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from London to Ottawa flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from London to Ottawa become cheaper?

Not ready to book yet? You can track prices for flights from London to Ottawa on Cheapflights with our Price Alert feature and get notified when better prices are available.

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