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Cheap flights from the United Kingdom to Ottawa from £206

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 9/12. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — YOW
17 jul — 24 jul1
1 adult

Cheap flight deals from United Kingdom to Ottawa

Keep the following information in mind while searching for United Kingdom to Ottawa flight deals. Data was last updated 12 julho 2025.

Round-trip from

£456

One-way from

£206

Popular in

August

Cheapest in

January

Average price

£668

Good round-trip deal

£535 or less

Good one-way deal

£632 or less
4/9-8/9
  • 4/9-8/9
  • 3 total stops
  • 38h 47m total
  • United Kingdom to Ottawa
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9/12
  • 9/12
  • 3 total stops
  • 38h 44m total
  • United Kingdom to Ottawa
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (£74 potential increase over avg. return price).
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Cheapest flight prices on average. 3% potential price decrease (£14 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2025
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Price to beat on a round-trip flight from United Kingdom to Ottawa.
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Price to beat on a one-way flight from United Kingdom to Ottawa.
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Find flight deals from United Kingdom to Ottawa

Cheapest flights from United Kingdom to Ottawa
Explore the most affordable flight options available from United Kingdom to Ottawa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 12 julho 2025.

qua 17/909:40LGW - YOW
1 stop19h 42mMultiple Airlines
qua 24/905:55YOW - LGW
2 stops22h 55mMultiple Airlines
Deal found 10/7£456
ter 9/1210:00LHR - YOW
2 stops19h 10mKLM
qua 17/1217:20YOW - LHR
2 stops12h 25mKLM
Deal found 10/7£458
sáb 4/1016:00LHR - YOW
1 stop22h 11mAir Canada
qui 9/1007:00YOW - LHR
1 stop9h 00mAir Canada
Deal found 11/7£485
qua 17/906:00LHR - YOW
2 stops23h 22mMultiple Airlines
qua 24/905:55YOW - LHR
2 stops23h 25mMultiple Airlines
Deal found 10/7£491
ter 23/906:35NCL - YOW
1 stop13h 25mMultiple Airlines
ter 30/917:15YOW - NCL
2 stops14h 55mMultiple Airlines
Deal found 10/7£526
seg 29/913:25MAN - YOW
1 stop15h 56mAir Transat
sex 3/1017:05YOW - MAN
1 stop13h 35mAir Transat
Deal found 11/7£528
ter 15/707:45LHR - YOW
2 stops19h 20mUnited Airlines
ter 22/709:50YOW - LHR
1 stop16h 05mUnited Airlines
Deal found 10/7£531
ter 14/1006:50LHR - YOW
2 stops12h 01mBrussels Airlines
qui 23/1018:40YOW - LHR
1 stop9h 55mBrussels Airlines
Deal found 11/7£536
ter 23/906:35NCL - YOW
1 stop13h 25mAir France
ter 30/917:15YOW - NCL
1 stop23h 20mAir France
Deal found 11/7£539
ter 30/922:35STN - YOW
2 stops30h 47mMultiple Airlines
ter 7/1017:55YOW - STN
2 stops15h 25mMultiple Airlines
Deal found 10/7£540
qua 1/1022:15MAN - YOW
3 stops31h 07mMultiple Airlines
qua 15/1011:00YOW - MAN
3 stops19h 40mMultiple Airlines
Deal found 11/7£546
ter 26/808:30LHR - YOW
1 stop20h 50mLufthansa
qua 3/921:00YOW - LHR
Nonstop6h 35mLufthansa
Deal found 11/7£547

Cheapflights Fare Finder

Customise your flight search to find flights from United Kingdom 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 858,174 searches. Data last updated 12 julho 2025.
Use the filters below to find and compare flights from the United Kingdom to Ottawa that are best for you.

Fly from

United Kingdom

Fly to

Ottawa

Route

Depart

Return

Price

LondonOttawa

LGW - YOW

LGWYOW

London Gatwick

qua 17/9

09:40-00:22

1 stop19h 42m

Ottawa

qua 24/9

05:55-09:50

2 stops22h 55m

£456

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

ter 9/12

10:00-00:10

2 stops19h 10m

Ottawa

qua 17/12

17:20-10:45

2 stops12h 25m

£458

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

sáb 4/10

16:00-09:11

1 stop22h 11m

Ottawa

qui 9/10

07:00-21:00

1 stop9h 00m

£485

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

qua 17/9

06:00-00:22

2 stops23h 22m

Ottawa

qua 24/9

05:55-10:20

2 stops23h 25m

£491

Newcastle upon TyneOttawa

NCL - YOW

NCLYOW

Newcastle upon Tyne

ter 23/9

06:35-15:00

1 stop13h 25m

Ottawa

ter 30/9

17:15-13:10

2 stops14h 55m

£526

ManchesterOttawa

MAN - YOW

MANYOW

Manchester

seg 29/9

13:25-00:21

1 stop15h 56m

Ottawa

sex 3/10

17:05-11:40

1 stop13h 35m

£528

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

ter 14/10

06:50-13:51

2 stops12h 01m

Ottawa

qui 23/10

18:40-09:35

1 stop9h 55m

£536

Newcastle upon TyneOttawa

NCL - YOW

NCLYOW

Newcastle upon Tyne

ter 23/9

06:35-15:00

1 stop13h 25m

Ottawa

ter 30/9

17:15-21:35

1 stop23h 20m

£539

LondonOttawa

STN - YOW

STNYOW

London Stansted

ter 30/9

22:35-00:22

2 stops30h 47m

Ottawa

ter 7/10

17:55-14:20

2 stops15h 25m

£540

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

seg 8/12

07:40-23:08

2 stops20h 28m

Ottawa

ter 23/12

16:00-07:10

1 stop10h 10m

£542

Flights are sorted by cheapest return flights first.

Deals found on 10/7

Showing 1-10 of 52 results
1
2
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6

Best time to book a flight from United Kingdom to Ottawa

Have a flexible travel schedule? Discover the best time to fly to Ottawa from United Kingdom 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.

Cheapflights Insights

Everything you need to know about your flight from the United Kingdom to Ottawa

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

Currently, January is the cheapest month in which you can book a flight from United Kingdom to Ottawa (average of £588). Flying from United Kingdom to Ottawa in December is currently the most expensive (average of £875). 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 GB to YOW?

Find hourly flight availability from United Kingdom 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 12 julho 2025.

When flying from United Kingdom to Ottawa, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 12 julho 2025.
Check out reviews from past customers who have flown with KLM, Air Transat, andLOT from the United Kingdom to Ottawa to help guide your decision. 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
1,372 reviews
Check prices

Crew

8.4

Food

7.3

Entertainment

7.1

Overall

7.8

Boarding

7.8

Comfort

7.7

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
KLM
7.8
Good
1,372 reviews
KLM
7.8
Good
1,372 reviews
Check prices

Crew

8.4

Food

7.3

Entertainment

7.1

Overall

7.8

Boarding

7.8

Comfort

7.7

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
Air Transat
7.8
Good
412 reviews
KLM
7.8
Good
1,372 reviews
Check prices

Crew

8.4

Food

7.3

Entertainment

7.1

Overall

7.8

Boarding

7.8

Comfort

7.7

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
LOT
7.6
Good
1,098 reviews
KLM
7.8
Good
1,372 reviews
Check prices

Crew

8.4

Food

7.3

Entertainment

7.1

Overall

7.8

Boarding

7.8

Comfort

7.7

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
Air France
7.5
Good
1,468 reviews
KLM
7.8
Good
1,372 reviews
Check prices

Crew

8.4

Food

7.3

Entertainment

7.1

Overall

7.8

Boarding

7.8

Comfort

7.7

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.
SWISS
7.5
Good
1,655 reviews
KLM
7.8
Good
1,372 reviews
Check prices

Crew

8.4

Food

7.3

Entertainment

7.1

Overall

7.8

Boarding

7.8

Comfort

7.7

Reviews

1 / 20
4.0
Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Related info for your journey

Find useful and relevant information for your journey from United Kingdom 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 United Kingdom?

    If you book a flight to Ottawa from United Kingdom, 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.

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

    £339 is the cheapest one-way deal found within the past few days, from WestJet. You may also be able to find cheap deals on Air Transat and Aer Lingus, with prices starting from £410 and £443, respectively.

  • What are the most popular routes from United Kingdom to Ottawa?

    While some choose either London Gatwick - Ottawa or London City - Ottawa, London Heathrow - Ottawa is the most popular route from United Kingdom to Ottawa.

  • What are the most reliable airlines from United Kingdom to Ottawa?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from United Kingdom to Ottawa on time: Air Canada (94%), Aegean Airlines (94%), Austrian Airlines (94%).

  • What are the cheapest flights from United Kingdom to Ottawa?

    Looking for the cheapest flight from United Kingdom to Ottawa? While on average our users pay £658, our data indicates the cheapest price to be £480. The most popular route (London Heathrow - Ottawa), is priced around £380.

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

    Yes. In addition to deals on United Kingdom to Ottawa flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from United Kingdom to Ottawa?

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

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

    Yes. Cheapflights offers flight deals from United Kingdom 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 United Kingdom to Ottawa?

    Currently, January is the cheapest month in which you can book a flight from United Kingdom to Ottawa (average of £588). Flying from United Kingdom to Ottawa in December is currently the most expensive (average of £875). 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

Travelling to a place near the United Kingdom?

Book flights to the United Kingdom if you plan to visit one of these locations
Gatineau
Smiths Falls

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Alternative routes for United Kingdom to Ottawa

See prices for flight routes from nearby airports that may be better suited for you.
Heathrow to Pearson Intl flights
Gatwick to Pearson Intl flights
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Manchester to Pearson Intl flights
Gatwick to Pierre Elliott Trudeau Intl flights
Manchester to Toronto Island flights
Edinburgh to Pearson Intl flights
London City to Pierre Elliott Trudeau Intl flights
Heathrow to Ottawa flights
Edinburgh to Thunder Bay flights
Southend to Pearson Intl flights
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Birmingham to Pearson Intl flights
Glasgow Intl to Pearson Intl flights
Edinburgh to Toronto Island flights
Stansted to Pierre Elliott Trudeau Intl flights
Inverness to Pearson Intl flights
Birmingham to Toronto Island flights
Gatwick to Ottawa flights
Dublin to Pearson Intl flights
London City to Ottawa flights
Leeds to Pearson Intl flights
Dublin to Toronto Island flights
Manchester to Pierre Elliott Trudeau Intl flights
Gatwick to London flights
Bristol to Pearson Intl flights
Edinburgh to Pierre Elliott Trudeau Intl flights
Heathrow to Windsor flights
Manchester to Ottawa flights
Belfast Intl to Pearson Intl flights
Belfast City to Pearson Intl flights
Stansted to Ottawa flights
Newcastle upon Tyne to Pearson Intl flights

Top 7 airlines flying from United Kingdom to Ottawa

Discover the top 7 airlines that operate flights from United Kingdom 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 858,174 searches. Data last updated 12 julho 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest£302Average£566FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapest£333Average£350FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
KLMCheapest£355Average£563FlexibilityNo cancel feeOn-time75%
Search KLM flights
Air FranceCheapest£362Average£591FlexibilityNo cancel feeOn-time77%
Search Air France flights
Virgin AtlanticCheapest£375Average£586FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
Air TransatCheapest£408Average£532FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
LufthansaCheapest£447Average£660FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from United Kingdom to Ottawa?

When you search for this flight from United Kingdom to Ottawa, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from United Kingdom to Ottawa for you. Better yet — we are completely free to use.

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

Yes! Cheapflights helps users easily find flights from United Kingdom to Ottawa with no change fees.

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

Of course! You can now track prices for flights from United Kingdom to Ottawa and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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