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Cheap flights from London Heathrow Airport to Ottawa from £266

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 1/6. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — YOW
22 Jan — 29 Jan1
1 adult

The best prices from London Heathrow to Ottawa are usually found in February or November, booked 82 days in advance, depart on a Tuesday or Wednesday and return on a Wednesday

Cheap flight deals from Heathrow to Ottawa

Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) 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 17 January 2025.

Round-trip from

£420

One-way from

£274

Popular in

August

Cheapest in

February

Average price

£592
KLM
  • KLM
  • 22/1-29/1
  • 3 total stops
  • 52h 35m total
  • London to Ottawa
Search Deals
5/2
  • 5/2
  • 3 total stops
  • 59h 37m total
  • London to Ottawa
Search Deals
High demand for flights, 11% potential price rise
Search Deals
Best time to find cheap flights, 3% potential price drop
Search Deals
Average for round-trip flights in January 2025
Search Deals

Find flight deals from Heathrow to Ottawa

Cheapest flights from Heathrow to Ottawa
Explore the most affordable flight options available from Heathrow to Ottawa. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 January 2025.

Wed 22/111:30LHR - YOW
1 stop32h 40mMultiple Airlines
Wed 29/105:55YOW - LHR
2 stops19h 55mMultiple Airlines
Deal found 16/1£420
Tue 18/206:20LHR - YOW
1 stop13h 50mVirgin Atlantic
Tue 25/217:20YOW - LHR
1 stop15h 25mVirgin Atlantic
Deal found 16/1£421
Thu 30/111:45LHR - YOW
2 stops17h 25mKLM
Mon 3/217:20YOW - LHR
2 stops12h 25mKLM
Deal found 16/1£429
Thu 30/106:20LHR - YOW
1 stop13h 50mAir France
Mon 3/217:20YOW - LHR
1 stop15h 25mAir France
Deal found 16/1£461
Sat 15/215:00LHR - YOW
1 stop23h 42mLufthansa
Sat 22/212:45YOW - LHR
1 stop26h 50mLufthansa
Deal found 16/1£485
Wed 22/114:50LHR - YOW
1 stop14h 55mWestJet
Wed 29/120:10YOW - LHR
2 stops35h 40mWestJet
Deal found 16/1£520
Mon 5/518:40LHR - YOW
2 stops31h 29mSWISS
Tue 20/515:55YOW - LHR
2 stops20h 55mSWISS
Deal found 16/1£542
Thu 13/209:00LHR - YOW
1 stop12h 56mAir Canada
Thu 20/211:00YOW - LHR
1 stop15h 10mAir Canada
Deal found 16/1£569
Thu 13/213:30LHR - YOW
2 stops15h 24mUnited Airlines
Sun 16/215:11YOW - LHR
2 stops14h 54mUnited Airlines
Deal found 16/1£634
Tue 3/606:00LHR - YOW
2 stops16h 07mAustrian Airlines
Wed 18/619:55YOW - LHR
1 stop10h 55mAustrian Airlines
Deal found 16/1£682
Thu 12/606:30LHR - YOW
2 stops22h 49mLOT
Wed 20/815:55YOW - LHR
2 stops25h 05mLOT
Deal found 16/1£736

Find flights from Heathrow to Ottawa within your budget

Customise your flight search to find flights from Heathrow 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 17 January 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Thu 30/1

11:45-00:10

2 stops17h 25m

Ottawa

Mon 3/2

17:20-13:45

1 stop15h 25m

£420

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Tue 18/2

06:20-15:10

1 stop13h 50m

Ottawa

Tue 25/2

17:20-13:45

1 stop15h 25m

£421

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Thu 30/1

11:45-00:10

2 stops17h 25m

Ottawa

Mon 3/2

17:20-10:45

2 stops12h 25m

£428

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Thu 30/1

06:20-15:10

1 stop13h 50m

Ottawa

Mon 3/2

17:20-13:45

1 stop15h 25m

£461

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Sat 15/2

15:00-09:42

1 stop23h 42m

Ottawa

Sat 22/2

12:45-20:35

1 stop26h 50m

£485

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Mon 5/5

18:40-21:09

2 stops31h 29m

Ottawa

Tue 20/5

15:55-17:50

2 stops20h 55m

£542

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Tue 4/2

14:50-20:47

2 stops34h 57m

Ottawa

Sat 8/2

06:30-12:50

2 stops49h 20m

£549

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Thu 13/2

09:00-16:56

1 stop12h 56m

Ottawa

Thu 20/2

11:00-07:10

1 stop15h 10m

£569

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Thu 13/2

13:30-23:54

2 stops15h 24m

Ottawa

Sun 16/2

15:11-11:05

2 stops14h 54m

£634

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Tue 3/6

06:00-17:07

2 stops16h 07m

Ottawa

Wed 18/6

19:55-11:50

1 stop10h 55m

£682

Flights are sorted by cheapest return flights first.

Deals found on 16/1

Showing 1-10 of 16 results
1
2

Best time to book a flight from Heathrow to Ottawa

Have a flexible travel schedule? Discover the best time to fly to Ottawa from Heathrow 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 Heathrow to Ottawa

Get recent, data-driven insights about flights from Heathrow to Ottawa including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from London Heathrow Airport to Ottawa?

Use this chart to determine the optimal time to book a return flight from Heathrow to Ottawa. Price data was last updated on 10 January 2025.

Booking 82 days in advance of your planned departure date is, on average, the best time to get cheap flights from London Heathrow Airport to Ottawa. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, January is the cheapest month in which you can book a flight from London Heathrow Airport to Ottawa (average of £588). Flying from London Heathrow Airport 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 LHR to YOW?

Find hourly flight availability from Heathrow 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 17 January 2025.

A simple way to save on the total cost of your ticket is to fly from London Heathrow Airport to Ottawa in the evening. If you’re flexible enough to do this you can expect to save up to 26% on your trip compared to booking a flight in the afternoon.

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

Use this chart to determine the cheapest time to fly return from Heathrow to Ottawa. Price data was last updated on 16 December 2024.

Travellers seeking maximum savings on their London Heathrow Airport to Ottawa flight should consider departing on Monday evenings when fares are most often at their lowest. Monday 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 17 January 2025.
See what other customers who have flown with KLM and Air Canada from London to Ottawa have to say. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,339 reviews
Check prices

Comfort

7.7

Entertainment

7.2

Overall

7.8

Food

7.3

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
Check prices

Comfort

7.7

Entertainment

7.2

Overall

7.8

Food

7.3

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
1,114 reviews
KLM
7.8
Good
1,339 reviews
Check prices

Comfort

7.7

Entertainment

7.2

Overall

7.8

Food

7.3

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.

Virgin Atlantic
7.5
Good
664 reviews
KLM
7.8
Good
1,339 reviews
Check prices

Comfort

7.7

Entertainment

7.2

Overall

7.8

Food

7.3

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 France
7.4
Good
1,487 reviews
KLM
7.8
Good
1,339 reviews
Check prices

Comfort

7.7

Entertainment

7.2

Overall

7.8

Food

7.3

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.

United Airlines
7.4
Good
8,969 reviews
KLM
7.8
Good
1,339 reviews
Check prices

Comfort

7.7

Entertainment

7.2

Overall

7.8

Food

7.3

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 Heathrow 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 Heathrow?

    Ottawa (YOW), located 6.6 mi from the city center, is the airport you fly into when you book flights from London Heathrow to Ottawa. 7 airlines have flights to Ottawa from London Heathrow on a regular basis. Booking flights from London Heathrow to Ottawa should not be difficult; the airport handles an average of 0 inbound flights from London Heathrow per day.

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

    Our cheapest airline available from London Heathrow Airport to Ottawa is Virgin Atlantic. Our recent data shows that you can find tickets from as low as £421 on this airline. Additional options worth looking into are KLM and Air France, starting at £429 and £450 round-trip. Users have found that Virgin Atlantic is 34% cheaper than the other options available to this destination.

  • What are the cheapest flights from London Heathrow Airport to Ottawa?

    Looking at all options, your cheapest flight can be booked for £405. While the most popular route (London Heathrow - Ottawa) can be booked for £400 on average our data indicates £1,684 when flying from London Heathrow Airport to Ottawa.

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

    The most popular stopover on flights from London Heathrow Airport to Ottawa is Paris. Montreal is the second most popular location for stopovers on flights from London Heathrow Airport to Ottawa.

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

    The majority of Paris visitors spend their time at Eiffel Tower, Champs-Elysées, and Arc De Triomphe. Travelers on a layover in Paris can visit Eiffel Tower, Champs-Elysées, and Arc De Triomphe, by traveling 15.8 mi, 14.7 mi, and 15.0 mi, respectively after landing at Paris Charles de Gaulle. Travellers can book a car hire at Paris Charles de Gaulle for about £34 per day to make their sightseeing more efficient.

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

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

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

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

  • How can I find direct flights from Heathrow to Ottawa?

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

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

    Yes. Cheapflights offers flight deals from Heathrow 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 Heathrow Airport to Ottawa?

    Currently, January is the cheapest month in which you can book a flight from London Heathrow Airport to Ottawa (average of £588). Flying from London Heathrow Airport 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 London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Gatineau
Smiths Falls

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Alternative routes for Heathrow 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
London City to Pearson Intl flights
Heathrow to Toronto Island flights
Heathrow to Pierre Elliott Trudeau Intl flights
Luton to Pearson Intl flights
Gatwick to Pierre Elliott Trudeau Intl flights
London City to Pierre Elliott Trudeau Intl flights
Stansted to Pearson Intl flights
Gatwick to Toronto Island flights
Luton to Pierre Elliott Trudeau Intl flights
Heathrow to Hamilton flights
Gatwick to Ottawa flights
Stansted to Pierre Elliott Trudeau Intl flights
London City to Ottawa flights
Gatwick to Hamilton flights
Heathrow to London flights
Southend to Pearson Intl flights
Heathrow to Windsor flights
Gatwick to London flights
London City to London flights
Stansted to London flights
Stansted to Ottawa flights
Heathrow to North Bay flights
Heathrow to Sarnia flights
London City to Thunder Bay flights
Gatwick to Thunder Bay flights
Gatwick to Region of Waterloo Intl flights
Heathrow to Thunder Bay flights
Heathrow to Timmins flights

Top 7 airlines flying from Heathrow to Ottawa

Discover the top 7 airlines that operate flights from Heathrow 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 17 January 2025.
AirlineCheapestAverageFlexibilityOn-time
Air FranceCheapest£406Average£498FlexibilityNo cancel feeOn-time77%
Search Air France flights
Virgin AtlanticCheapest£414Average£486FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
KLMCheapest£418Average£541FlexibilityNo cancel feeOn-time75%
Search KLM flights
Air TransatCheapest£465Average£578FlexibilityNo cancel feeOn-time50%
Search Air Transat flights
LufthansaCheapest£509Average£658FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Air CanadaCheapest£525Average£645FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapest£579Average£789FlexibilityNo cancel feeOn-time69%
Search United Airlines 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 Heathrow to Ottawa?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Ottawa from Heathrow today with Cheapflights!

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

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

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

Certainly. Search results for flights to Ottawa from Heathrow shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

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

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