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Cheap flights from Ottawa to London Heathrow Airport from £178

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.
YOW — LHR
26 Nov — 3 Dec1
1 adult

The best prices from Ottawa to London Heathrow are usually found in November or October, booked 61 days in advance, depart on a Wednesday or Friday and return on a Wednesday

Cheap flight deals from Ottawa to Heathrow

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

£524

One-way from

£178

Popular in

July

Cheapest in

November
Air France
  • Air France
  • 1/2-16/2
  • 2 total stops
  • 23h 30m total
  • Ottawa to London
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WestJet
  • WestJet
  • 9/12
  • 1 total stop
  • 25h 35m total
  • Ottawa to London
Search Deals
High demand for flights, 15% potential price rise
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Best time to find cheap flights, 10% potential price drop
Search Deals

Find flight deals from Ottawa to Heathrow

Cheapest flights from Ottawa to Heathrow
Explore the most affordable flight options available from Ottawa to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 November 2024.

Tue 3/1206:15YOW - LHR
1 stop25h 35mMultiple Airlines
Sun 23/213:40LHR - YOW
2 stops15h 29mMultiple Airlines
Deal found 20/11£534
Fri 29/1120:10YOW - LHR
2 stops35h 40mWestJet
Wed 4/1214:50LHR - YOW
1 stop14h 56mWestJet
Deal found 20/11£541
Tue 3/1217:20YOW - LHR
1 stop18h 15mAir France
Sun 23/206:20LHR - YOW
1 stop13h 50mAir France
Deal found 20/11£548
Mon 2/1214:45YOW - LHR
1 stop11h 25mAir Canada
Mon 9/1209:00LHR - YOW
1 stop12h 56mAir Canada
Deal found 19/11£549
Thu 28/1117:50YOW - LHR
1 stop10h 20mUnited Airlines
Wed 4/1207:10LHR - YOW
2 stops16h 44mUnited Airlines
Deal found 20/11£602
Tue 3/1217:20YOW - LHR
1 stop18h 15mVirgin Atlantic
Fri 6/1214:45LHR - YOW
1 stop29h 25mVirgin Atlantic
Deal found 19/11£605
Thu 12/1214:10YOW - LHR
1 stop11h 20mLufthansa
Tue 17/1206:35LHR - YOW
2 stops16h 37mLufthansa
Deal found 19/11£646
Tue 26/1117:20YOW - LHR
2 stops12h 25mKLM
Tue 3/1206:30LHR - YOW
2 stops13h 40mKLM
Deal found 20/11£649
Thu 28/1105:55YOW - LHR
2 stops43h 55mDelta
Thu 12/1217:20LHR - YOW
2 stops35h 50mDelta
Deal found 19/11£658
Wed 11/1216:45YOW - LHR
2 stops20h 55mAustrian Airlines
Sun 15/1219:25LHR - YOW
2 stops31h 43mAustrian Airlines
Deal found 18/11£796

Find flights from Ottawa to Heathrow within your budget

Customise your flight search to find flights from Ottawa to Heathrow 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

OttawaLondon

YOW - LHR

YOWLHR

Ottawa

Sat 1/2

17:20-08:00

1 stop9h 40m

London Heathrow

Sun 16/2

06:20-15:10

1 stop13h 50m

£524

OttawaLondon

YOW - LHR

YOWLHR

Ottawa

Tue 3/12

06:15-12:50

1 stop25h 35m

London Heathrow

Sun 23/2

13:40-00:09

2 stops15h 29m

£534

OttawaLondon

YOW - LHR

YOWLHR

Ottawa

Tue 3/12

06:15-12:50

1 stop25h 35m

London Heathrow

Sun 8/12

14:50-00:46

1 stop14h 56m

£546

OttawaLondon

YOW - LHR

YOWLHR

Ottawa

Mon 2/12

11:00-07:10

1 stop15h 10m

London Heathrow

Mon 9/12

09:00-16:56

1 stop12h 56m

£549

OttawaLondon

YOW - LHR

YOWLHR

Ottawa

Mon 28/4

17:00-10:30

1 stop12h 30m

London Heathrow

Mon 12/5

06:15-14:50

1 stop13h 35m

£551

OttawaLondon

YOW - LHR

YOWLHR

Ottawa

Sun 16/3

19:05-11:50

1 stop12h 45m

London Heathrow

Mon 24/3

06:00-19:22

2 stops17h 22m

£555

OttawaLondon

YOW - LHR

YOWLHR

Ottawa

Sat 12/4

16:45-10:00

1 stop12h 15m

London Heathrow

Sat 26/4

12:40-15:20

Nonstop7h 40m

£559

OttawaLondon

YOW - LHR

YOWLHR

Ottawa

Sat 1/2

17:20-12:05

2 stops13h 45m

London Heathrow

Sun 16/2

06:30-15:10

2 stops13h 40m

£568

OttawaLondon

YOW - LHR

YOWLHR

Ottawa

Mon 31/3

16:00-16:20

2 stops19h 20m

London Heathrow

Mon 7/4

20:05-17:22

2 stops26h 17m

£569

OttawaLondon

YOW - LHR

YOWLHR

Ottawa

Mon 31/3

19:25-10:40

1 stop10h 15m

London Heathrow

Tue 8/4

15:20-22:10

1 stop11h 50m

£601

Flights are sorted by cheapest return flights first.

Deals found on 20/11

Showing 1-10 of 18 results
1
2

Best time to book a flight from Ottawa to Heathrow

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

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

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

Use this chart to determine the optimal time to book a return flight from Ottawa to Heathrow. Price data was last updated on 15 November 2024.

Booking 61 days in advance of your planned departure date is, on average, the best time to get cheap flights from Ottawa to London Heathrow Airport. 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 Ottawa to London Heathrow Airport?

Currently, January is the cheapest month in which you can book a flight from Ottawa to London Heathrow Airport (average of £112). Flying from Ottawa to London Heathrow Airport in July is currently the most expensive (average of £160). 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 YOW to LHR?

Find hourly flight availability from Ottawa to Heathrow. 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.

One of the essential ways to save on airfare from Ottawa to London Heathrow Airport is to remain as flexible as possible. Flights that are in the evening tend to be the most expensive. A flight in the afternoon could potentially save you up to 10% on airfare.

Rainfall in Heathrow by month

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

In terms of precipitation, rainfall in London Heathrow Airport ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London Heathrow Airport when rainfall is around 40.0 mm.

Temperature in Heathrow by month

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

If weather is an important factor for your trip to London Heathrow Airport, 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 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

Reviews of airlines servicing Heathrow

Get insights into the airlines that provide service to Heathrow. 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 Heathrow. Reviews last updated 21 November 2024.
See what other customers who have flown with Air France, WestJet and Air Canada from Ottawa to London have to say. 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

Boarding

7.9

Overall

7.8

Crew

8.4

Entertainment

7.2

Comfort

7.7

Food

7.3

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

Boarding

7.9

Overall

7.8

Crew

8.4

Entertainment

7.2

Comfort

7.7

Food

7.3

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

Boarding

7.9

Overall

7.8

Crew

8.4

Entertainment

7.2

Comfort

7.7

Food

7.3

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

Boarding

7.9

Overall

7.8

Crew

8.4

Entertainment

7.2

Comfort

7.7

Food

7.3

Reviews

1 / 10

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

Virgin Atlantic
7.5
Good
663 reviews
KLM
7.8
Good
1,350 reviews
Check prices

Boarding

7.9

Overall

7.8

Crew

8.4

Entertainment

7.2

Comfort

7.7

Food

7.3

Reviews

1 / 10

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

Air France
7.4
Good
1,523 reviews
KLM
7.8
Good
1,350 reviews
Check prices

Boarding

7.9

Overall

7.8

Crew

8.4

Entertainment

7.2

Comfort

7.7

Food

7.3

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 Ottawa to Heathrow. 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 from for flights from Ottawa to London Heathrow?

    If you book a flight to London Heathrow from Ottawa, you will be flying from 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 Ottawa to London Heathrow per day from 1 airline.

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

    According to our current data, Air France (£524), WestJet (£546), and Air Canada (£549) offers the cheapest pricing from Ottawa to London Heathrow Airport. You may be able to fly from Ottawa to London Heathrow Airport for 19% less than the average price by searching for these airlines.

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

    £178 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 Canada and TAP AIR PORTUGAL, with prices starting from £557 and £564, respectively.

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

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

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

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

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

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

    Currently, January is the cheapest month in which you can book a flight from Ottawa to London Heathrow Airport (average of £112). Flying from Ottawa to London Heathrow Airport in July is currently the most expensive (average of £160). 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

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Top airline flying from Ottawa to Heathrow

Discover the top airline that operate flights from Ottawa to Heathrow. 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
Air CanadaCheapest£568Average£616FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

Fly with Cheapflights

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

When you search for this flight from Ottawa to Heathrow, 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 Ottawa to Heathrow?

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

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

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

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

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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