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Cheap flights from Ottawa to London Heathrow Airport from C$ 320

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 17/1. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — LHR
22 Dec — 29 Dec1
1 adult

The best prices from Ottawa to London Heathrow are usually found in October or January, booked 54 days in advance, depart on a Tuesday or Wednesday and return on a Saturday

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 17 December 2024.

Round-trip from

C$ 850

One-way from

C$ 320

Popular in

December

Cheapest in

October

Average price

C$ 1,437
WestJet
  • WestJet
  • 22/1-28/1
  • 3 total stops
  • 60h 35m total
  • Ottawa to London
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WestJet
  • WestJet
  • 17/1
  • 2 total stops
  • 25h 20m total
  • Ottawa to London
Search Deals
High demand for flights, 1% potential price rise
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Best time to find cheap flights, 2% potential price drop
Search Deals
Average for round-trip flights in December 2024
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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 17 December 2024.

Tue 24/125:20 p.m.YOW - LHR
1 stop20h 00mAir France
Thu 16/19:00 a.m.LHR - YOW
1 stop11h 10mAir France
Deal found 16/12C$ 1,117
Wed 25/125:20 p.m.YOW - LHR
1 stop18h 15mVirgin Atlantic
Wed 15/15:35 p.m.LHR - YOW
1 stop26h 35mVirgin Atlantic
Deal found 16/12C$ 1,133
Thu 26/127:05 p.m.YOW - LHR
1 stop30h 25mAir Canada
Tue 14/19:00 a.m.LHR - YOW
1 stop32h 06mAir Canada
Deal found 16/12C$ 1,147
Thu 26/125:20 p.m.YOW - LHR
2 stops15h 30mMultiple Airlines
Thu 16/16:20 a.m.LHR - YOW
1 stop13h 50mMultiple Airlines
Deal found 16/12C$ 1,149
Tue 24/125:20 p.m.YOW - LHR
2 stops12h 25mKLM
Thu 16/16:30 a.m.LHR - YOW
2 stops13h 40mKLM
Deal found 16/12C$ 1,180
Fri 27/122:10 p.m.YOW - LHR
1 stop11h 20mLufthansa
Mon 13/13:00 p.m.LHR - YOW
1 stop12h 08mLufthansa
Deal found 16/12C$ 1,332
Tue 17/125:55 a.m.YOW - LHR
2 stops23h 35mDelta
Tue 24/124:35 p.m.LHR - YOW
2 stops36h 35mDelta
Deal found 16/12C$ 1,752
Sat 28/128:15 p.m.YOW - LHR
2 stops16h 05mLOT
Thu 16/110:25 a.m.LHR - YOW
2 stops18h 22mLOT
Deal found 16/12C$ 2,118
Fri 20/121:00 p.m.YOW - LHR
2 stops22h 40mSWISS
Tue 24/126:40 p.m.LHR - YOW
2 stops29h 42mSWISS
Deal found 16/12C$ 2,192
Thu 19/125:30 a.m.YOW - LHR
2 stops19h 25mUnited Airlines
Mon 23/1210:00 a.m.LHR - YOW
2 stops33h 35mUnited Airlines
Deal found 16/12C$ 2,412
Thu 19/122:10 p.m.YOW - LHR
2 stops23h 30mAustrian Airlines
Sat 4/16:00 a.m.LHR - YOW
2 stops21h 12mAustrian Airlines
Deal found 16/12C$ 2,946

Find flights from Ottawa to Heathrow within your budget

Customize 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 629,999 searches. Data last updated 17 December 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

OttawaLondon

YOW - LHR

YOWLHR

Ottawa

Wed 22/1

6:15 a.m.-12:50 p.m.

1 stop25h 35m

London Heathrow

Tue 28/1

2:50 p.m.-8:50 p.m.

2 stops35h 00m

C$ 850

OttawaLondon

YOW - LHR

YOWLHR

Ottawa

Thu 23/1

5:20 p.m.-6:20 p.m.

1 stop20h 00m

London Heathrow

Wed 29/1

5:35 p.m.-3:10 p.m.

1 stop26h 35m

C$ 853

OttawaLondon

YOW - LHR

YOWLHR

Ottawa

Sat 18/1

5:20 p.m.-10:45 a.m.

2 stops12h 25m

London Heathrow

Sat 25/1

6:20 a.m.-3:10 p.m.

1 stop13h 50m

C$ 864

OttawaLondon

YOW - LHR

YOWLHR

Ottawa

Sat 22/3

7:15 a.m.-8:35 p.m.

1 stop9h 20m

London Heathrow

Sat 29/3

3:00 p.m.-10:12 p.m.

1 stop11h 12m

C$ 865

OttawaLondon

YOW - LHR

YOWLHR

Ottawa

Wed 2/4

5:15 p.m.-8:00 a.m.

1 stop9h 45m

London Heathrow

Wed 23/4

3:20 p.m.-12:09 a.m.

2 stops13h 49m

C$ 887

OttawaLondon

YOW - LHR

YOWLHR

Ottawa

Mon 13/1

5:20 p.m.-10:45 a.m.

2 stops12h 25m

London Heathrow

Mon 20/1

6:30 a.m.-3:10 p.m.

2 stops13h 40m

C$ 898

OttawaLondon

YOW - LHR

YOWLHR

Ottawa

Sat 22/3

2:05 p.m.-6:40 a.m.

1 stop12h 35m

London Heathrow

Mon 31/3

4:40 p.m.-11:43 p.m.

1 stop12h 03m

C$ 939

OttawaLondon

YOW - LHR

YOWLHR

Ottawa

Sat 18/1

4:00 p.m.-1:00 p.m.

2 stops16h 00m

London Heathrow

Tue 21/1

8:05 p.m.-7:22 p.m.

2 stops28h 17m

C$ 1,187

OttawaLondon

YOW - LHR

YOWLHR

Ottawa

Fri 27/12

2:10 p.m.-6:30 a.m.

1 stop11h 20m

London Heathrow

Mon 13/1

3:00 p.m.-10:08 p.m.

1 stop12h 08m

C$ 1,332

OttawaLondon

YOW - LHR

YOWLHR

Ottawa

Fri 17/1

6:30 a.m.-12:50 p.m.

2 stops25h 20m

C$ 320

Flights are sorted by cheapest round-trip flights first.

Deals found on 17/12

Showing 1-10 of 15 results
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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 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 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 round-trip flight from Ottawa to Heathrow. Price data was last updated on 13 December 2024.

The best time to book flights from Ottawa to London Heathrow Airport is 54 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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 C$ 560). Flying from Ottawa to London Heathrow Airport in July is currently the most expensive (average of C$ 874). 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 17 December 2024.

It’s typically best to fly out from Ottawa to London Heathrow Airport in the afternoon. Doing so could potentially save you 5% on the flight price compared to flying in the evening, which is usually more expensive.

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

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

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

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 mm 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 17 December 2024.
See what other customers who have flown with KLM, Air France and SWISS from Ottawa to London have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.8
Good
1,351 reviews
Check prices

Entertainment

7.2

Food

7.3

Overall

7.8

Boarding

7.9

Comfort

7.7

Crew

8.4

Reviews

1 / 10

Flight was late do to issues with loading stuff. One of the two bathrooms in business class was not working. WiFi did not work 80% of the time. My bag came out last even though it had a priority tag

KLM
7.8
Good
1,351 reviews
KLM
7.8
Good
1,351 reviews
Check prices

Entertainment

7.2

Food

7.3

Overall

7.8

Boarding

7.9

Comfort

7.7

Crew

8.4

Reviews

1 / 10

Flight was late do to issues with loading stuff. One of the two bathrooms in business class was not working. WiFi did not work 80% of the time. My bag came out last even though it had a priority tag

SWISS
7.6
Good
1,607 reviews
KLM
7.8
Good
1,351 reviews
Check prices

Entertainment

7.2

Food

7.3

Overall

7.8

Boarding

7.9

Comfort

7.7

Crew

8.4

Reviews

1 / 10

Flight was late do to issues with loading stuff. One of the two bathrooms in business class was not working. WiFi did not work 80% of the time. My bag came out last even though it had a priority tag

Virgin Atlantic
7.5
Good
667 reviews
KLM
7.8
Good
1,351 reviews
Check prices

Entertainment

7.2

Food

7.3

Overall

7.8

Boarding

7.9

Comfort

7.7

Crew

8.4

Reviews

1 / 10

Flight was late do to issues with loading stuff. One of the two bathrooms in business class was not working. WiFi did not work 80% of the time. My bag came out last even though it had a priority tag

Air France
7.4
Good
1,505 reviews
KLM
7.8
Good
1,351 reviews
Check prices

Entertainment

7.2

Food

7.3

Overall

7.8

Boarding

7.9

Comfort

7.7

Crew

8.4

Reviews

1 / 10

Flight was late do to issues with loading stuff. One of the two bathrooms in business class was not working. WiFi did not work 80% of the time. My bag came out last even though it had a priority tag

United Airlines
7.4
Good
9,070 reviews
KLM
7.8
Good
1,351 reviews
Check prices

Entertainment

7.2

Food

7.3

Overall

7.8

Boarding

7.9

Comfort

7.7

Crew

8.4

Reviews

1 / 10

Flight was late do to issues with loading stuff. One of the two bathrooms in business class was not working. WiFi did not work 80% of the time. My bag came out last even though it had a priority tag

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?

    Most people fly from Ottawa (YOW) if they book a flight from Ottawa to London Heathrow. On average, Ottawa has 0 outbound flights to London Heathrow per day from 4 airlines. Ottawa is conveniently located just 10.6 km from Ottawa’s city centre.

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

    Cheapflights users have booked flights from Ottawa to London Heathrow Airport round-trip from C$ 850. Other airlines that can offer you cheap pricing are Virgin Atlantic, from C$ 853, and Air Canada, from C$ 865. WestJet is 27% cheaper than the average price of flights available within the next 90 days to this destination.

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

    The cheapest airlines for a one-way flight from Ottawa to London Heathrow Airport are WestJet (C$ 320), Turkish Airlines (C$ 928), and Air Canada (C$ 1,107).

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

    On average you can expect to pay C$ 1,149 for a flight from Ottawa to London Heathrow Airport. The cheapest flight overall is C$ 974 while the most popular route, (Ottawa - London Heathrow) is currently priced at C$ 835.

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

    Most of the time, Ottawa to London Heathrow Airport flights that have layovers will stop in Montreal.

  • What are some popular things to do or see while on a layover in Montreal?

    The majority of Montreal visitors spend their time at Centre Bell, Vieux-Port de Montréal, and Notre-Dame Basilica. Travelers on a layover in Montreal can visit Centre Bell, Vieux-Port de Montréal, and Notre-Dame Basilica, by traveling 14.6 km, 16.2 km, and 15.9 km, respectively after landing at Montreal Pierre Elliott Trudeau Intl. Those looking to explore during their layover in Montreal can rent a car from Montreal Pierre Elliott Trudeau Intl for about C$ 42 per day.

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

    Flights departing from Ottawa and landing in London Heathrow Airport layover in Toronto least frequently.

  • 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 vacation 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 C$ 560). Flying from Ottawa to London Heathrow Airport in July is currently the most expensive (average of C$ 874). 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 Ottawa to Heathrow on these airlines

Choose from the following airlines for your flight from Ottawa to Heathrow. Flights are based on user searches made on Cheapflights and were last updated on 17 December 2024.
Air Canada flights from Ottawa to London Heathrow
Lufthansa flights from Ottawa to London Heathrow

Top 4 airlines flying from Ottawa to Heathrow

Discover the top 4 airlines 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 629,999 searches. Data last updated 17 December 2024.
AirlineCheapestAverageFlexibilityOn-time
Air FranceCheapestC$ 828AverageC$ 1,033FlexibilityNo cancel feeOn-time77%
Search Air France flights
Virgin AtlanticCheapestC$ 832AverageC$ 993FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
LufthansaCheapestC$ 1,003AverageC$ 1,160FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Air CanadaCheapestC$ 1,014AverageC$ 1,162FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

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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?

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Yes, we can. To see specific flights from Ottawa to Heathrow with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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