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Cheap flights from Ottawa to London Heathrow Airport from C$ 321

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 4/12. Fares are subject to change and may not be available on all flights or dates of travel.
YOW — LHR
19 Nov — 26 Nov1
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 Tuesday or Monday 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 14 November 2024.

Round-trip from

C$ 949

One-way from

C$ 321

Popular in

July

Cheapest in

November
WestJet
  • WestJet
  • 20/11-28/11
  • 2 total stops
  • 54h 48m total
  • Ottawa to London
Search Deals
WestJet
  • WestJet
  • 4/12
  • 1 total stop
  • 15h 55m total
  • Ottawa to London
Search Deals
High demand for flights, 15% potential price rise
Search Deals
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 14 November 2024.

Mon 25/118:10 p.m.YOW - LHR
2 stops35h 40mWestJet
Tue 3/122:50 p.m.LHR - YOW
1 stop14h 56mWestJet
Deal found 13/11C$ 960
Thu 21/115:20 p.m.YOW - LHR
2 stops22h 30mKLM
Thu 28/1111:45 a.m.LHR - YOW
2 stops17h 25mKLM
Deal found 14/11C$ 967
Sun 1/126:25 a.m.YOW - LHR
2 stops25h 25mMultiple Airlines
Fri 6/128:15 a.m.LHR - YOW
3 stops44h 55mMultiple Airlines
Deal found 14/11C$ 980
Wed 27/1110:30 a.m.YOW - LHR
2 stops15h 40mAir Canada
Tue 3/128:55 a.m.LHR - YOW
2 stops15h 27mAir Canada
Deal found 13/11C$ 1,021
Sun 1/126:10 p.m.YOW - LHR
1 stop31h 20mLufthansa
Fri 6/1211:10 a.m.LHR - YOW
1 stop11h 12mLufthansa
Deal found 14/11C$ 1,050
Sun 24/1110:30 a.m.YOW - LHR
2 stops14h 50mUnited Airlines
Thu 28/117:10 a.m.LHR - YOW
2 stops16h 44mUnited Airlines
Deal found 14/11C$ 1,208
Mon 25/1111:00 a.m.YOW - LHR
2 stops16h 05mSWISS
Tue 3/128:55 a.m.LHR - YOW
2 stops15h 03mSWISS
Deal found 13/11C$ 1,249
Thu 12/125:55 a.m.YOW - LHR
2 stops43h 30mDelta
Thu 19/124:35 p.m.LHR - YOW
2 stops36h 35mDelta
Deal found 14/11C$ 1,398
Sun 29/125:20 p.m.YOW - LHR
1 stop18h 15mVirgin Atlantic
Sun 5/16:20 a.m.LHR - YOW
1 stop13h 50mVirgin Atlantic
Deal found 14/11C$ 1,684
Wed 25/125:20 p.m.YOW - LHR
1 stop12h 10mAir France
Wed 1/12:45 p.m.LHR - YOW
2 stops14h 25mAir France
Deal found 14/11C$ 1,811
Thu 26/128:15 p.m.YOW - LHR
2 stops16h 05mLOT
Tue 31/126:10 p.m.LHR - YOW
2 stops34h 27mLOT
Deal found 14/11C$ 2,359

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 625,151 searches. Data last updated 14 November 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

OttawaLondon

YOW - LHR

YOWLHR

Ottawa

Mon 25/11

3:55 p.m.-12:50 p.m.

1 stop15h 55m

London Heathrow

Thu 28/11

2:50 p.m.-12:45 a.m.

1 stop14h 55m

C$ 949

OttawaLondon

YOW - LHR

YOWLHR

Ottawa

Sun 2/3

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

2 stops12h 25m

London Heathrow

Sun 30/3

9:00 a.m.-2:50 p.m.

1 stop10h 50m

C$ 972

OttawaLondon

YOW - LHR

YOWLHR

Ottawa

Tue 15/4

5:00 p.m.-1:45 p.m.

1 stop15h 45m

London Heathrow

Tue 20/5

9:00 a.m.-2:50 p.m.

1 stop10h 50m

C$ 984

OttawaLondon

YOW - LHR

YOWLHR

Ottawa

Wed 4/12

5:55 a.m.-6:25 a.m.

2 stops19h 30m

London Heathrow

Mon 9/12

8:25 p.m.-3:10 p.m.

2 stops23h 45m

C$ 995

OttawaLondon

YOW - LHR

YOWLHR

Ottawa

Wed 16/4

8:55 p.m.-8:35 a.m.

Nonstop6h 40m

London Heathrow

Wed 23/4

12:40 p.m.-3:20 p.m.

Nonstop7h 40m

C$ 1,002

OttawaLondon

YOW - LHR

YOWLHR

Ottawa

Thu 3/4

6:40 p.m.-6:30 a.m.

Nonstop6h 50m

London Heathrow

Wed 16/4

12:40 p.m.-3:20 p.m.

Nonstop7h 40m

C$ 1,004

OttawaLondon

YOW - LHR

YOWLHR

Ottawa

Sun 9/3

7:05 p.m.-6:30 a.m.

1 stop31h 25m

London Heathrow

Fri 21/3

6:00 a.m.-1:37 a.m.

2 stops23h 37m

C$ 1,043

OttawaLondon

YOW - LHR

YOWLHR

Ottawa

Sun 24/11

5:50 p.m.-6:40 a.m.

2 stops31h 50m

London Heathrow

Tue 25/2

8:55 a.m.-2:29 p.m.

2 stops34h 34m

C$ 1,058

OttawaLondon

YOW - LHR

YOWLHR

Ottawa

Tue 6/5

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

1 stop10h 00m

London Heathrow

Tue 20/5

9:00 a.m.-2:50 p.m.

1 stop10h 50m

C$ 1,136

OttawaLondon

YOW - LHR

YOWLHR

Ottawa

Sun 9/3

2:45 p.m.-8:05 a.m.

2 stops13h 20m

London Heathrow

Fri 21/3

6:00 a.m.-5:22 p.m.

2 stops15h 22m

C$ 1,172

Flights are sorted by cheapest first

Deals found on 14/11

Showing 1-10 of 17 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 8 November 2024.

The best time to book flights from Ottawa to London Heathrow Airport is 61 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$ 877). 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 14 November 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 10 November 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 14 November 2024.
See what other customers who have flown with Air Canada, SWISS and WestJet from Ottawa to London have to say. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
8,788 reviews
Check prices

Food

7.3

Crew

8.5

Overall

8.0

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Delta
8.0
Very good
8,788 reviews
Delta
8.0
Very good
8,788 reviews
Check prices

Food

7.3

Crew

8.5

Overall

8.0

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

KLM
7.8
Good
1,346 reviews
Delta
8.0
Very good
8,788 reviews
Check prices

Food

7.3

Crew

8.5

Overall

8.0

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

SWISS
7.6
Good
1,640 reviews
Delta
8.0
Very good
8,788 reviews
Check prices

Food

7.3

Crew

8.5

Overall

8.0

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

Virgin Atlantic
7.6
Good
663 reviews
Delta
8.0
Very good
8,788 reviews
Check prices

Food

7.3

Crew

8.5

Overall

8.0

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

United Airlines
7.4
Good
9,194 reviews
Delta
8.0
Very good
8,788 reviews
Check prices

Food

7.3

Crew

8.5

Overall

8.0

Boarding

8.2

Entertainment

7.9

Comfort

7.9

Reviews

1 / 10

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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$ 949. Other airlines that can offer you cheap pricing are KLM, from C$ 995, and Virgin Atlantic, from C$ 1,005. WestJet is 17% 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$ 321), Air Canada (C$ 653), and SWISS (C$ 1,137).

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

    On average you can expect to pay C$ 1,142 for a flight from Ottawa to London Heathrow Airport. The cheapest flight overall is C$ 1,008 while the most popular route, (Ottawa - London Heathrow) is currently priced at C$ 768.

  • 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$ 65 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$ 877). 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 14 November 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 625,151 searches. Data last updated 14 November 2024.
AirlineCheapestAverageFlexibilityOn-time
Air FranceCheapestC$ 816AverageC$ 1,066FlexibilityNo cancel feeOn-time77%
Search Air France flights
Virgin AtlanticCheapestC$ 819AverageC$ 981FlexibilityNo cancel feeOn-time72%
Search Virgin Atlantic flights
LufthansaCheapestC$ 881AverageC$ 1,138FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Air CanadaCheapestC$ 984AverageC$ 1,138FlexibilityNo 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?

Millions of users choose and trust Cheapflights to book the best flight deals from Ottawa to Heathrow for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

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.

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

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