What’s the cheapest stopover airport for flights from London Heathrow Airport to Ottawa?

Washington, D.C. (IAD) is the most affordable one-stop option, with an average return flight price of £545.

Which airport typically offers the quickest stopover for flights from London Heathrow Airport to Ottawa?

Flights via Washington, D.C. (IAD) offer the fastest connection on this route, with an average stopover time of 1h 13m.

What’s the top stopover airport for flights from London Heathrow Airport to Ottawa?

Paris (CDG) – chosen by Cheapflights users on 53% of one-stop itineraries from London Heathrow Airport to Ottawa on Cheapflights.

What’s the fastest stopover option from London Heathrow Airport to Ottawa?

Flights via Halifax (YHZ) have the shortest average one-way travel time for one-stop routes: 10h 13m.

How long is the flight from London Heathrow Airport to Ottawa?

Departing from London Heathrow Airport to Ottawa will take you 13h 40m. The distance between London Heathrow Airport and Ottawa is about 3320 mi. This flight may include one or multiple stops.

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 Air Canada. Our recent data shows that you can find tickets from as low as £307 on this airline. Additional options worth looking into are United Airlines and KLM, starting at £333 and £346 round-trip. Users have found that Air Canada is 43% cheaper than the other options available to this destination.

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

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. Wednesday at midday flights should be avoided if possible as fares are typically the most expensive at this time.

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.

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).

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

Looking at all options, your cheapest flight can be booked for £386. While the most popular route (London Heathrow - Ottawa) can be booked for £363 on average, our data indicates £2,464 when flying from London Heathrow Airport to Ottawa.

What are the most reliable airlines from London Heathrow Airport to Ottawa?

Before booking your flight to Ottawa from London Heathrow Airport, check out the most reliable airlines to get you to your destination on time: Air Canada (80%), Aegean Airlines (80%), Austrian Airlines( 80%).

What are the most popular airlines that fly from London Heathrow Airport to Ottawa?

Consider Air Canada, Air France or KLM when booking your flight. These represent the most popular airlines 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.

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.

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 Notre Dame. Travelers on a layover in Paris can visit Eiffel Tower, Champs-Elysées, and Notre Dame, by traveling 15.8 mi, 14.7 mi, and 14.3 mi, respectively after landing at Paris Charles de Gaulle. Travellers can book a car hire at Paris Charles de Gaulle for about £36 per day to make their sightseeing more efficient.

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. 6 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 4 inbound flights from London Heathrow per day.

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.

£252+ Flights from London Heathrow Airport to Ottawa

Q: How much does it cost for a return flight from London Heathrow Airport to Ottawa?

Airfare is below average for this route at the moment. London Heathrow Airport to Ottawa flights typically cost between £479 and £552 in October. The cheapest return flight price found within the last 3 days was £417 on Multiple Airlines (4 Oct-10 Dec).

Cheapflights Tip: The best prices from London Heathrow to Ottawa are usually found in March or April, booked 88 days in advance, depart on a Monday or Friday and return on a Monday

Cheap flight deals from Heathrow to Ottawa

Round-trip from	£417
One-way from	£252
Popular in	August
Cheapest in	March
Average price	£515
Good round-trip deal	£520 or less
Good one-way deal	£594 or less

Air France
4/10-10/12
2 total stops
21h 12m total
London to Ottawa

Search Deals

1/10
3 total stops
21h 42m total
London to Ottawa

Search Deals

Highest demand for flights based on searches. 13% potential increase in price (£61 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease (£13 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 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 18 September 2025.

Sat 4/1017:50LHR - YOW

1 stop11h 32mMultiple Airlines

Wed 10/1217:20YOW - LHR

1 stop9h 40mMultiple Airlines

Deal found 17/9£417

Tue 30/917:50LHR - YOW

1 stop11h 32mKLM

Thu 27/1117:20YOW - LHR

2 stops12h 25mKLM

Deal found 16/9£424

Tue 14/1017:50LHR - YOW

1 stop11h 32mAir France

Tue 21/1017:15YOW - LHR

1 stop18h 20mAir France

Deal found 16/9£424

Thu 9/1017:50LHR - YOW

1 stop11h 32mMultiple Airlines

Mon 20/1017:15YOW - LHR

1 stop23h 10mMultiple Airlines

Deal found 15/9£428

Thu 6/1106:30LHR - YOW

2 stops13h 40mKLM

Thu 20/1117:20YOW - LHR

2 stops12h 25mKLM

Deal found 16/9£429

Sat 4/1017:50LHR - YOW

1 stop11h 32mKLM

Sat 25/1005:55YOW - LHR

2 stops21h 10mKLM

Deal found 15/9£433

Tue 14/1008:30LHR - YOW

1 stop20h 52mMultiple Airlines

Tue 21/1005:55YOW - LHR

2 stops22h 40mMultiple Airlines

Deal found 16/9£434

Fri 26/1206:30LHR - YOW

2 stops13h 40mKLM

Sat 17/105:40YOW - LHR

2 stops21h 25mKLM

Deal found 15/9£443

Tue 14/1017:50LHR - YOW

1 stop11h 32mMultiple Airlines

Thu 23/1017:15YOW - LHR

1 stop9h 45mMultiple Airlines

Deal found 15/9£444

Sat 1/1109:00LHR - YOW

2 stops19h 42mMultiple Airlines

Sat 8/1105:40YOW - LHR

2 stops33h 55mMultiple Airlines

Deal found 16/9£448

Tue 30/914:45LHR - YOW

2 stops14h 37mMultiple Airlines

Fri 28/1117:20YOW - LHR

1 stop12h 10mMultiple Airlines

Deal found 15/9£448

Best flights from Heathrow to Ottawa
Discover carefully curated flight deals from Heathrow to Ottawa that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 18 September 2025.

Thu 6/1106:30LHR - YOW

2 stops13h 40mKLM

Thu 20/1117:20YOW - LHR

2 stops12h 25mKLM

Deal found 16/9£429

Thu 9/1006:50LHR - YOW

2 stops12h 01mMultiple Airlines

Wed 15/1019:50YOW - LHR

1 stop29h 45mMultiple Airlines

Deal found 18/9£488

Mon 22/909:30LHR - YOW

2 stops15h 47mAir Canada

Sun 28/909:05YOW - LHR

1 stop19h 30mAir Canada

Deal found 17/9£489

Fri 31/1013:00LHR - YOW

1 stop15h 42mMultiple Airlines

Fri 7/1118:55YOW - LHR

2 stops20h 40mMultiple Airlines

Deal found 16/9£492

Sat 27/908:30LHR - YOW

2 stops16h 44mAir Canada

Sun 28/914:00YOW - LHR

2 stops14h 35mAir Canada

Deal found 16/9£493

Thu 25/912:40LHR - YOW

2 stops16h 39mAir Canada

Sat 4/1018:10YOW - LHR

1 stop21h 50mAir Canada

Deal found 17/9£494

Sun 21/912:40LHR - YOW

2 stops17h 54mAir Canada

Mon 29/909:05YOW - LHR

1 stop19h 30mAir Canada

Deal found 17/9£495

Sun 21/909:30LHR - YOW

2 stops15h 47mAir Canada

Sun 28/914:00YOW - LHR

2 stops14h 35mAir Canada

Deal found 17/9£495

Thu 25/906:50LHR - YOW

2 stops22h 29mAir Canada

Thu 2/1021:55YOW - LHR

2 stops18h 05mAir Canada

Deal found 16/9£497

Tue 14/1006:50LHR - YOW

2 stops12h 01mAir Canada

Thu 23/1012:00YOW - LHR

1 stop28h 00mAir Canada

Deal found 16/9£508

Direct flights from Heathrow to Ottawa
Explore direct flight options from Heathrow to Ottawa based on user searches, and compare prices and availability for your desired travel dates. Data last updated 18 September 2025.

Thu 9/1014:05LHR - YOW

Nonstop7h 20mLufthansa

Mon 20/1018:55YOW - LHR

Nonstop6h 35mLufthansa

Deal found 15/9£506

Wed 15/1012:40LHR - YOW

Nonstop7h 20mMultiple Airlines

Wed 22/1021:00YOW - LHR

Nonstop6h 35mMultiple Airlines

Deal found 17/9£515

Thu 2/1014:05LHR - YOW

Nonstop7h 20mLufthansa

Sat 11/1021:00YOW - LHR

Nonstop6h 35mLufthansa

Deal found 16/9£527

Sat 11/1012:40LHR - YOW

Nonstop7h 20mAir Canada

Wed 22/1021:00YOW - LHR

Nonstop6h 35mAir Canada

Deal found 17/9£574

Sat 27/912:40LHR - YOW

Nonstop7h 20mLufthansa

Wed 1/1021:00YOW - LHR

Nonstop6h 35mLufthansa

Deal found 17/9£1,115

Sat 27/912:40LHR - YOW

Nonstop7h 20mLufthansa

Thu 2/1018:55YOW - LHR

Nonstop6h 35mLufthansa

Deal found 17/9£2,101

Sat 11/1012:40LHR - YOW

Nonstop7h 20mLufthansa

Thu 16/1018:55YOW - LHR

Nonstop6h 35mLufthansa

Deal found 15/9£2,473

Last-minute flights from Heathrow to Ottawa
Discover last-minute flight deals from Heathrow to Ottawa. Data last updated 18 September 2025 and is based on user searches.

Thu 18/906:50LHR - YOW

2 stops12h 01mAir Canada

Sun 28/914:00YOW - LHR

2 stops14h 35mAir Canada

Deal found 17/9£473

Sat 20/909:30LHR - YOW

2 stops15h 47mAir Canada

Mon 6/1009:15YOW - LHR

1 stop30h 45mAir Canada

Deal found 16/9£464

Wed 24/906:00LHR - YOW

2 stops16h 04mAir Canada

Tue 30/914:00YOW - LHR

2 stops14h 35mAir Canada

Deal found 17/9£475

Sat 27/914:05LHR - YOW

1 stop23h 55mAir Canada

Sun 28/917:50YOW - LHR

1 stop11h 20mAir Canada

Deal found 17/9£452

Tue 30/917:50LHR - YOW

1 stop11h 32mKLM

Thu 27/1117:20YOW - LHR

2 stops12h 25mKLM

Deal found 16/9£424

Tue 30/906:50LHR - YOW

2 stops13h 14mAir Canada

Thu 27/1120:25YOW - LHR

2 stops19h 10mAir Canada

Deal found 16/9£453

Sat 4/1017:50LHR - YOW

1 stop11h 32mMultiple Airlines

Wed 10/1217:20YOW - LHR

1 stop9h 40mMultiple Airlines

Deal found 17/9£417

Thu 9/1006:50LHR - YOW

2 stops12h 01mAir Canada

Sun 12/1021:55YOW - LHR

2 stops18h 05mAir Canada

Deal found 16/9£462

Tue 14/1017:50LHR - YOW

1 stop11h 32mAir France

Tue 21/1017:15YOW - LHR

1 stop18h 20mAir France

Deal found 16/9£424

Tue 14/1008:30LHR - YOW

1 stop20h 52mMultiple Airlines

Tue 21/1005:55YOW - LHR

2 stops22h 40mMultiple Airlines

Deal found 16/9£434

Tue 14/1017:50LHR - YOW

1 stop11h 32mMultiple Airlines

Thu 23/1017:15YOW - LHR

1 stop15h 30mMultiple Airlines

Deal found 16/9£445

One-way flights from Heathrow to Ottawa
Search for one-way flight options from Heathrow to Ottawa. Find affordable one-way fares based on user searches. Data last updated 18 September 2025.

Wed 1/1007:40LHR - YOW

3 stops21h 42mMultiple Airlines

Deal found 17/9£252

Mon 15/1208:15LHR - YOW

2 stops45h 27mMultiple Airlines

Deal found 16/9£259

Wed 22/1020:50LHR - YOW

2 stops49h 08mMultiple Airlines

Deal found 16/9£274

Mon 15/1209:00LHR - YOW

1 stop11h 10mVirgin Atlantic

Deal found 16/9£275

Sun 14/1219:20LHR - YOW

1 stop24h 50mVirgin Atlantic

Deal found 16/9£301

Thu 23/1009:55LHR - YOW

2 stops36h 03mMultiple Airlines

Deal found 16/9£304

Fri 12/1210:00LHR - YOW

2 stops19h 10mKLM

Deal found 15/9£308

Sat 1/1114:50LHR - YOW

1 stop28h 37mMultiple Airlines

Deal found 17/9£312

Cheapflights Fare Finder

Use the filters below to find and compare flights from London Heathrow Airport to Ottawa that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Thu 6/11

06:30-15:10

2 stops13h 40m

Ottawa

Thu 20/11

17:20-10:45

2 stops12h 25m

£429

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Thu 9/10

06:50-13:51

2 stops12h 01m

Ottawa

Wed 15/10

19:50-06:35

1 stop29h 45m

£488

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Mon 22/9

09:30-20:17

2 stops15h 47m

Ottawa

Sun 28/9

09:05-09:35

1 stop19h 30m

£489

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Fri 31/10

13:00-00:42

1 stop15h 42m

Ottawa

Fri 7/11

18:55-20:35

2 stops20h 40m

£492

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Sat 27/9

08:30-20:14

2 stops16h 44m

Ottawa

Sun 28/9

14:00-09:35

2 stops14h 35m

£493

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Thu 25/9

12:40-00:19

2 stops16h 39m

Ottawa

Sat 4/10

18:10-21:00

1 stop21h 50m

£494

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Sun 21/9

12:40-01:34

2 stops17h 54m

Ottawa

Mon 29/9

09:05-09:35

1 stop19h 30m

£495

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Sun 21/9

09:30-20:17

2 stops15h 47m

Ottawa

Sun 28/9

14:00-09:35

2 stops14h 35m

£495

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Thu 25/9

06:50-00:19

2 stops22h 29m

Ottawa

Thu 2/10

21:55-21:00

2 stops18h 05m

£497

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Tue 14/10

06:50-13:51

2 stops12h 01m

Ottawa

Thu 23/10

12:00-21:00

1 stop28h 00m

£508

Flights are sorted by cheapest return flights first.

Deals found on 17/9

Showing 1-10 of 19 results

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.

Cheapflights Insights

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

Prices

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

Booking 88 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?

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.

How much does it cost for a return flight from London Heathrow Airport to Ottawa?

Reviews of airlines servicing Ottawa

Read through reviews of airlines operating flights from London Heathrow Airport to Ottawa, such as Air France, United Airlines, andVirgin Atlantic. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Air France

7.4

Good

1,468 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

SYLVIA,Apr 2025

TLV - CDG

A newer plane. The flight from TelAviv to Paris was on a new aircraft, wider seat. ,more privacy. Nice toilets. The flight from Paris to Santiago Chile was on a very old aircraft. Awful toilets, outmoded sits etc.

Air France

7.4

Good

1,468 reviews

Air France

7.4

Good

1,468 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

SYLVIA,Apr 2025

TLV - CDG

United Airlines

7.4

Good

8,926 reviews

Air France

7.4

Good

1,468 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

SYLVIA,Apr 2025

TLV - CDG

Virgin Atlantic

7.4

Good

664 reviews

Air France

7.4

Good

1,468 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

SYLVIA,Apr 2025

TLV - CDG

Air Canada

7.1

Good

10,000 reviews

Air France

7.4

Good

1,468 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

SYLVIA,Apr 2025

TLV - CDG

Lufthansa

6.8

Okay

7,409 reviews

Air France

7.4

Good

1,468 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

SYLVIA,Apr 2025

TLV - CDG

Related info for your journey

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. 6 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 4 inbound flights from London Heathrow per day.
How long is the flight from London Heathrow Airport to Ottawa?
Departing from London Heathrow Airport to Ottawa will take you 13h 40m. The distance between London Heathrow Airport and Ottawa is about 3320 mi. This flight may include one or multiple stops.
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 Air Canada. Our recent data shows that you can find tickets from as low as £307 on this airline. Additional options worth looking into are United Airlines and KLM, starting at £333 and £346 round-trip. Users have found that Air Canada is 43% cheaper than the other options available to this destination.
What are the most reliable airlines from London Heathrow Airport to Ottawa?
Before booking your flight to Ottawa from London Heathrow Airport, check out the most reliable airlines to get you to your destination on time: Air Canada (80%), Aegean Airlines (80%), Austrian Airlines( 80%).
What are the cheapest flights from London Heathrow Airport to Ottawa?
Looking at all options, your cheapest flight can be booked for £386. While the most popular route (London Heathrow - Ottawa) can be booked for £363 on average, our data indicates £2,464 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 Notre Dame. Travelers on a layover in Paris can visit Eiffel Tower, Champs-Elysées, and Notre Dame, by traveling 15.8 mi, 14.7 mi, and 14.3 mi, respectively after landing at Paris Charles de Gaulle. Travellers can book a car hire at Paris Charles de Gaulle for about £36 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

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Alternative routes for Heathrow to Ottawa

Heathrow to Pearson Intl flights

Gatwick to Pearson Intl flights

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Gatwick to Ottawa flights

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Heathrow to North Bay flights

Heathrow to Timmins flights

Top 6 airlines flying from Heathrow to Ottawa

Airline	Cheapest	Average	Flexibility	On-time
Air Canada	Cheapest£307	Average£541	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
United Airlines	Cheapest£333	Average£348	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
KLM	Cheapest£346	Average£465	FlexibilityNo cancel fee	On-time75%	Search KLM flights
Air France	Cheapest£357	Average£451	FlexibilityNo cancel fee	On-time77%	Search Air France flights
Virgin Atlantic	Cheapest£364	Average£439	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights
Lufthansa	Cheapest£446	Average£537	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights

Fly with Cheapflights

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.

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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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Cheap flights from London Heathrow Airport to Ottawa from £252

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 1/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheapflights Tip: The best prices from London Heathrow to Ottawa are usually found in March or April, booked 88 days in advance, depart on a Monday or Friday and return on a Monday

Cheap flight deals from Heathrow to Ottawa

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Find flight deals from Heathrow to Ottawa

Cheapest flights from Heathrow to OttawaExplore 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 18 September 2025.

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 18 September 2025.

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Best time to book a flight from Heathrow to Ottawa

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What’s the top stopover airport for flights from London Heathrow Airport to Ottawa?

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What’s the fastest stopover option from London Heathrow Airport to Ottawa?

Which airport typically offers the quickest stopover for flights from London Heathrow Airport to Ottawa?

Reviews of airlines servicing Ottawa

Read through reviews of airlines operating flights from London Heathrow Airport to Ottawa, such as Air France, United Airlines, andVirgin Atlantic. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

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?

How long is the flight from London Heathrow Airport to Ottawa?

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

What are the most reliable airlines from London Heathrow Airport to Ottawa?

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

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

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

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

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

How can I find direct flights from Heathrow to Ottawa?

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

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

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Alternative routes for Heathrow to Ottawa

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Top 6 airlines flying from Heathrow to Ottawa

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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 18 September 2025.