Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from London Heathrow Airport to Ottawa from C$ 479

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 17/6. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — YOW
29 Mar — 5 Apr1
1 adult

Cheapflights Tip: The best prices from London Heathrow to Ottawa are usually found in March or February, booked 80 days in advance, depart on a Monday or Wednesday and return on a Saturday

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 24 March 2025.

Round-trip from

C$ 822

One-way from

C$ 479

Popular in

August

Cheapest in

March

Average price

C$ 940

Good round-trip deal

C$ 875 or less

Good one-way deal

C$ 932 or less
Air Canada
  • Air Canada
  • 26/4-3/5
  • 1 total stop
  • 25h 04m total
  • London to Ottawa
Search Deals
17/6
  • 17/6
  • 3 total stops
  • 23h 02m total
  • London to Ottawa
Search Deals
Highest demand for flights based on searches. 16% potential increase in price (C$ 321 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 55 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2025
Search Deals
Price to beat on a round-trip flight from London Heathrow to Ottawa.
Search Deals
Price to beat on a one-way flight from London Heathrow to Ottawa.
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 24 March 2025.

Sat 26/412:05 p.m.LHR - YOW
1 stop18h 29mAir Canada
Sat 3/59:00 p.m.YOW - LHR
Nonstop6h 35mAir Canada
Deal found 23/3C$ 822
Wed 7/58:40 a.m.LHR - YOW
2 stops17h 29mMultiple Airlines
Wed 14/58:55 p.m.YOW - LHR
1 stop8h 05mMultiple Airlines
Deal found 23/3C$ 831
Mon 9/66:15 a.m.LHR - YOW
1 stop13h 50mAir France
Mon 16/65:15 p.m.YOW - LHR
1 stop23h 10mAir France
Deal found 23/3C$ 835
Wed 7/57:30 p.m.LHR - YOW
2 stops26h 34mAustrian Airlines
Wed 14/57:55 p.m.YOW - LHR
1 stop31h 40mAustrian Airlines
Deal found 23/3C$ 848
Wed 14/58:05 p.m.LHR - YOW
2 stops49h 59mSWISS
Fri 23/52:30 p.m.YOW - LHR
2 stops18h 10mSWISS
Deal found 22/3C$ 854
Thu 3/42:05 p.m.LHR - YOW
Nonstop7h 30mLufthansa
Wed 9/49:00 p.m.YOW - LHR
Nonstop6h 35mLufthansa
Deal found 22/3C$ 890
Fri 4/48:40 a.m.LHR - YOW
2 stops30h 18mUnited Airlines
Wed 16/46:00 a.m.YOW - LHR
2 stops19h 20mUnited Airlines
Deal found 23/3C$ 944
Mon 7/77:40 a.m.LHR - YOW
2 stops18h 30mAer Lingus
Wed 30/711:55 a.m.YOW - LHR
2 stops15h 05mAer Lingus
Deal found 22/3C$ 1,162
Fri 28/310:25 a.m.LHR - YOW
2 stops19h 12mLOT
Sat 29/38:15 p.m.YOW - LHR
2 stops32h 05mLOT
Deal found 22/3C$ 2,003
Sun 1/65:50 p.m.LHR - YOW
1 stop11h 32mVirgin Atlantic
Sun 17/85:15 p.m.YOW - LHR
1 stop23h 10mVirgin Atlantic
Deal found 23/3C$ 2,198

Cheapflights Fare Finder

Customize 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 629,999 searches. Data last updated 24 March 2025.
Use the filters below to find and compare flights from London Heathrow Airport to Ottawa that are best for you.

Fly from

Heathrow

Fly to

Ottawa

Route

Depart

Return

Price

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Sat 26/4

12:05 p.m.-1:34 a.m.

1 stop18h 29m

Ottawa

Sat 3/5

9:00 p.m.-8:35 a.m.

Nonstop6h 35m

C$ 822

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Wed 7/5

8:40 a.m.-9:09 p.m.

2 stops17h 29m

Ottawa

Wed 14/5

8:55 p.m.-10:00 a.m.

1 stop8h 05m

C$ 831

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Mon 9/6

6:15 a.m.-3:05 p.m.

1 stop13h 50m

Ottawa

Mon 16/6

5:15 p.m.-9:25 p.m.

1 stop23h 10m

C$ 835

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Wed 7/5

7:30 p.m.-5:04 p.m.

2 stops26h 34m

Ottawa

Wed 14/5

7:55 p.m.-8:35 a.m.

1 stop31h 40m

C$ 848

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Wed 14/5

8:05 p.m.-5:04 p.m.

2 stops49h 59m

Ottawa

Fri 23/5

2:30 p.m.-1:40 p.m.

2 stops18h 10m

C$ 854

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Thu 3/4

2:05 p.m.-4:35 p.m.

Nonstop7h 30m

Ottawa

Wed 9/4

9:00 p.m.-8:35 a.m.

Nonstop6h 35m

C$ 890

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Fri 4/4

8:40 a.m.-9:58 a.m.

2 stops30h 18m

Ottawa

Wed 16/4

6:00 a.m.-6:20 a.m.

2 stops19h 20m

C$ 944

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Mon 7/7

7:40 a.m.-9:10 p.m.

2 stops18h 30m

Ottawa

Wed 30/7

11:55 a.m.-8:00 a.m.

2 stops15h 05m

C$ 1,162

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Sun 1/6

5:50 p.m.-12:22 a.m.

1 stop11h 32m

Ottawa

Sun 17/8

5:15 p.m.-9:25 p.m.

1 stop23h 10m

C$ 2,198

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Sat 20/9

6:30 a.m.-9:09 p.m.

2 stops19h 39m

Ottawa

Mon 6/10

7:55 p.m.-5:20 p.m.

2 stops16h 25m

C$ 2,950

Flights are sorted by cheapest round-trip flights first.

Deals found on 23/3

Showing 1-10 of 18 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 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.

Cheapflights Insights

Everything you need to know about your flight from London Heathrow Airport to Ottawa

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 round-trip flight from Heathrow to Ottawa. Price data was last updated on 21 March 2025.

The price you pay for your flight from London Heathrow Airport to Ottawa may vary depending on when you book. For the best chance of a lower fare, look to book 80 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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

Currently, October is the cheapest month in which you can book a flight from London Heathrow Airport to Ottawa (average of C$ 224). Flying from London Heathrow Airport to Ottawa in December is currently the most expensive (average of C$ 326). 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 24 March 2025.

It’s typically best to fly out from London Heathrow Airport to Ottawa at noon. Doing so could potentially save you 25% on the flight price compared to flying in the morning, which is usually more expensive.

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 mm 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 24 March 2025.
KLM
7.8
Good
1,318 reviews
Check prices

Boarding

7.8

Comfort

7.7

Crew

8.4

Overall

7.8

Entertainment

7.1

Food

7.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
KLM
7.8
Good
1,318 reviews
KLM
7.8
Good
1,318 reviews
Check prices

Boarding

7.8

Comfort

7.7

Crew

8.4

Overall

7.8

Entertainment

7.1

Food

7.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
LOT
7.6
Good
1,061 reviews
KLM
7.8
Good
1,318 reviews
Check prices

Boarding

7.8

Comfort

7.7

Crew

8.4

Overall

7.8

Entertainment

7.1

Food

7.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
Austrian Airlines
7.6
Good
768 reviews
KLM
7.8
Good
1,318 reviews
Check prices

Boarding

7.8

Comfort

7.7

Crew

8.4

Overall

7.8

Entertainment

7.1

Food

7.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
SWISS
7.5
Good
1,569 reviews
KLM
7.8
Good
1,318 reviews
Check prices

Boarding

7.8

Comfort

7.7

Crew

8.4

Overall

7.8

Entertainment

7.1

Food

7.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.
Air France
7.4
Good
1,422 reviews
KLM
7.8
Good
1,318 reviews
Check prices

Boarding

7.8

Comfort

7.7

Crew

8.4

Overall

7.8

Entertainment

7.1

Food

7.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2025

LBA - AMS

Overall, the flight from Leeds Bradford to Amsterdam was at expected. The crew were efficient at boarding and professional on board. The only issue was extremely slow check in at Leeds Bradford which was very frustrating.

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?

    Located just 10.6 km from the city centre, Ottawa is the airport most travellers will use when flying to Ottawa from London Heathrow. Booking flights from London Heathrow to Ottawa (YOW) should be relatively easy as there are 0 daily inbound flights from London Heathrow from 2 different airlines.

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

    Air Canada, at C$ 822, was found to be the cheapest airline from London Heathrow Airport to Ottawa.Alternate airlines to your destination round-trip include Air France and Austrian Airlines. Users have found that Air Canada is 27% cheaper than the other options available to this destination.

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

    C$ 564 is the cheapest one-way deal found within the past few days, from WestJet. You may also be able to find cheap deals on Aer Lingus and Lufthansa, with prices starting from C$ 746 and C$ 814, respectively.

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

    Looking for the cheapest flight from London Heathrow Airport to Ottawa? While on average our users pay C$ 1,769, our data indicates the cheapest price to be C$ 854. The most popular route (London Heathrow - Ottawa), is priced around C$ 583.

  • 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 vacation 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, October is the cheapest month in which you can book a flight from London Heathrow Airport to Ottawa (average of C$ 224). Flying from London Heathrow Airport to Ottawa in December is currently the most expensive (average of C$ 326). 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
Perth
Smiths Falls
Prescott
Brockville
Wakefield
Lanark

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 Pierre Elliott Trudeau Intl flights
Luton to Pearson Intl flights
Stansted to Pearson Intl flights
Gatwick to Pierre Elliott Trudeau Intl flights
London City to Pierre Elliott Trudeau Intl flights
Luton to Pierre Elliott Trudeau Intl flights
Southend to Pearson Intl flights
Stansted to Pierre Elliott Trudeau Intl flights
Gatwick to Ottawa flights
Southend to Pierre Elliott Trudeau Intl flights
Heathrow to Hamilton flights
Heathrow to London flights
Gatwick to Hamilton flights
Stansted to Ottawa flights
Heathrow to Windsor flights
Gatwick to Region of Waterloo Intl flights
Heathrow to Thunder Bay flights

Top 2 airlines flying from Heathrow to Ottawa

Discover the top 2 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 629,999 searches. Data last updated 24 March 2025.
AirlineCheapestAverageFlexibilityOn-time
Air FranceCheapestC$ 828AverageC$ 1,002FlexibilityNo cancel feeOn-time77%
Search Air France flights
Air CanadaCheapestC$ 873AverageC$ 1,115FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers 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?

When you search for this flight from Heathrow 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 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?

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

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.

100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.