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

Air Canada, at C$ 694, was found to be the cheapest airline from London Heathrow Airport to Ottawa.Alternate airlines to your destination round-trip include Air France and Lufthansa. Users have found that Air Canada is 35% 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$ 611 is the cheapest one-way deal found within the past few days, from WestJet. You may also be able to find cheap deals on Lufthansa and Air Canada, with prices starting from C$ 764 and C$ 1,063, respectively.

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

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

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$ 1,609, our data indicates the cheapest price to be C$ 575. The most popular route (London Heathrow - Ottawa), is priced around C$ 743.

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

The top 3 most reliable airlines when flying from London Heathrow Airport to Ottawa are Air Canada (100%), Aegean Airlines (100%) and Austrian Airlines (100%).

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

When booking a flight from London Heathrow Airport to Ottawa, you may want to consider flying on Air Canada, Air France or Lufthansa as they are the most popular for this route.

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

Sunday is generally a great day to depart. Flying on this day could help you save up to 39%.

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

Find a great deal and save up to 23% by booking at least 33 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from London Heathrow Airport to Ottawa within the next two weeks, with the cheapest ticket starting at C$ 983.

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

Due to multiple factors, expect to potentially pay more when booking in August. For low rates, January can be a great choice for travel to Ottawa. Flights to Ottawa from London Heathrow Airport in January are about C$ 1,034 on average during January, but can be found for as low as C$ 694.

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 4 daily inbound flights from London Heathrow from 3 different airlines.

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.

C$ 467+ Flights from London Heathrow Airport to Ottawa

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

Cheap flight deals from Heathrow to Ottawa

Round-trip from	C$ 694
One-way from	C$ 467
Popular in	August
Cheapest in	March
Average price	C$ 970
Good round-trip deal	C$ 1,008 or less
Good one-way deal	C$ 808 or less

Air Canada
21/6-23/6
2 total stops
29h 11m total
London to Ottawa

Search Deals

10/6
2 total stops
23h 02m total
London to Ottawa

Search Deals

Highest demand for flights based on searches. 15% potential increase in price (C$ 280 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease (C$ 53 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in April 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 29 abril 2025.

sáb. 21/66:00 p.m.LHR - YOW

1 stop20h 11mAir Canada

lun. 23/67:00 a.m.YOW - LHR

1 stop9h 00mAir Canada

Deal found 28/4C$ 694

lun. 12/57:45 p.m.LHR - YOW

1 stop24h 20mAir France

mié. 21/55:15 p.m.YOW - LHR

1 stop12h 15mAir France

Deal found 28/4C$ 743

lun. 15/97:45 p.m.LHR - YOW

1 stop24h 20mVirgin Atlantic

lun. 29/95:15 p.m.YOW - LHR

1 stop15h 30mVirgin Atlantic

Deal found 28/4C$ 777

lun. 12/53:20 p.m.LHR - YOW

1 stop28h 45mMultiple Airlines

mié. 21/55:15 p.m.YOW - LHR

2 stops15h 35mMultiple Airlines

Deal found 28/4C$ 790

sáb. 21/612:40 p.m.LHR - YOW

Nonstop7h 20mLufthansa

sáb. 28/65:55 p.m.YOW - LHR

1 stop31h 40mLufthansa

Deal found 28/4C$ 802

lun. 12/52:45 p.m.LHR - YOW

2 stops14h 37mKLM

mié. 21/55:15 p.m.YOW - LHR

2 stops15h 35mKLM

Deal found 28/4C$ 805

mié. 7/58:40 a.m.LHR - YOW

2 stops15h 24mSWISS

jue. 22/53:55 p.m.YOW - LHR

2 stops24h 50mSWISS

Deal found 28/4C$ 844

jue. 8/56:00 a.m.LHR - YOW

2 stops23h 19mAustrian Airlines

mié. 14/57:55 p.m.YOW - LHR

1 stop10h 55mAustrian Airlines

Deal found 28/4C$ 845

sáb. 31/57:30 a.m.LHR - YOW

2 stops16h 22mUnited Airlines

mié. 11/63:17 p.m.YOW - LHR

1 stop10h 28mUnited Airlines

Deal found 28/4C$ 931

mar. 14/106:50 a.m.LHR - YOW

2 stops11h 55mBrussels Airlines

jue. 23/101:55 p.m.YOW - LHR

2 stops13h 45mBrussels Airlines

Deal found 28/4C$ 1,005

jue. 8/59:35 a.m.LHR - YOW

2 stops19h 47mDelta

vie. 23/55:55 a.m.YOW - LHR

2 stops20h 20mDelta

Deal found 28/4C$ 1,085

Best flights from Heathrow to Ottawa
Discover carefully curated flight deals from Heathrow to Ottawa that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 29 abril 2025.

sáb. 21/66:00 p.m.LHR - YOW

1 stop20h 11mAir Canada

lun. 23/67:00 a.m.YOW - LHR

1 stop9h 00mAir Canada

Deal found 28/4C$ 694

lun. 12/57:45 p.m.LHR - YOW

1 stop24h 20mAir France

mié. 21/55:15 p.m.YOW - LHR

1 stop12h 15mAir France

Deal found 28/4C$ 743

lun. 12/53:20 p.m.LHR - YOW

1 stop28h 45mMultiple Airlines

mié. 21/55:15 p.m.YOW - LHR

2 stops15h 35mMultiple Airlines

Deal found 28/4C$ 790

sáb. 21/612:40 p.m.LHR - YOW

Nonstop7h 20mLufthansa

sáb. 28/65:55 p.m.YOW - LHR

1 stop31h 40mLufthansa

Deal found 28/4C$ 802

lun. 12/52:45 p.m.LHR - YOW

2 stops14h 37mKLM

mié. 21/55:15 p.m.YOW - LHR

2 stops15h 35mKLM

Deal found 28/4C$ 805

lun. 12/53:20 p.m.LHR - YOW

1 stop28h 45mVirgin Atlantic

mié. 21/55:15 p.m.YOW - LHR

1 stop9h 45mVirgin Atlantic

Deal found 28/4C$ 812

mié. 7/58:40 a.m.LHR - YOW

2 stops15h 24mSWISS

jue. 22/53:55 p.m.YOW - LHR

2 stops24h 50mSWISS

Deal found 28/4C$ 844

jue. 8/56:00 a.m.LHR - YOW

2 stops23h 19mAustrian Airlines

mié. 14/57:55 p.m.YOW - LHR

1 stop10h 55mAustrian Airlines

Deal found 28/4C$ 845

lun. 12/58:40 a.m.LHR - YOW

2 stops30h 18mUnited Airlines

mié. 21/56:30 a.m.YOW - LHR

2 stops19h 45mUnited Airlines

Deal found 28/4C$ 904

lun. 9/66:50 a.m.LHR - YOW

2 stops12h 00mBrussels Airlines

dom. 22/61:55 p.m.YOW - LHR

2 stops13h 45mBrussels Airlines

Deal found 28/4C$ 1,035

jue. 8/59:35 a.m.LHR - YOW

2 stops19h 47mDelta

vie. 23/55:55 a.m.YOW - LHR

2 stops20h 20mDelta

Deal found 28/4C$ 1,085

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 29 abril 2025.

sáb. 13/912:40 p.m.LHR - YOW

Nonstop7h 20mAir Canada

sáb. 27/99:00 p.m.YOW - LHR

Nonstop6h 35mAir Canada

Deal found 28/4C$ 830

mié. 28/512:40 p.m.LHR - YOW

Nonstop7h 30mMultiple Airlines

jue. 5/66:55 p.m.YOW - LHR

Nonstop6h 35mMultiple Airlines

Deal found 28/4C$ 868

mié. 4/612:40 p.m.LHR - YOW

Nonstop7h 20mLufthansa

jue. 12/66:55 p.m.YOW - LHR

Nonstop6h 35mLufthansa

Deal found 28/4C$ 901

Last-minute flights from Heathrow to Ottawa
Discover last-minute flight deals from Heathrow to Ottawa. Data last updated 29 abril 2025 and is based on user searches.

lun. 5/59:30 a.m.LHR - YOW

2 stops19h 49mLufthansa

lun. 19/56:55 p.m.YOW - LHR

Nonstop6h 35mLufthansa

Deal found 28/4C$ 822

lun. 5/53:20 p.m.LHR - YOW

2 stops14h 02mAir France

lun. 12/55:15 p.m.YOW - LHR

1 stop12h 15mAir France

Deal found 27/4C$ 870

lun. 5/510:15 a.m.LHR - YOW

2 stops20h 19mLOT

lun. 12/57:55 p.m.YOW - LHR

2 stops16h 25mLOT

Deal found 28/4C$ 4,714

mar. 6/58:45 a.m.LHR - YOW

2 stops15h 19mMultiple Airlines

jue. 22/57:00 a.m.YOW - LHR

1 stop9h 00mMultiple Airlines

Deal found 28/4C$ 841

mié. 7/58:40 a.m.LHR - YOW

2 stops15h 24mSWISS

jue. 22/53:55 p.m.YOW - LHR

2 stops24h 50mSWISS

Deal found 28/4C$ 844

jue. 8/52:05 p.m.LHR - YOW

Nonstop7h 30mAir Canada

mié. 14/54:05 p.m.YOW - LHR

1 stop9h 25mAir Canada

Deal found 28/4C$ 833

jue. 8/56:00 a.m.LHR - YOW

2 stops23h 19mAustrian Airlines

mié. 14/57:55 p.m.YOW - LHR

1 stop10h 55mAustrian Airlines

Deal found 28/4C$ 845

jue. 8/59:35 a.m.LHR - YOW

2 stops19h 47mDelta

vie. 23/55:55 a.m.YOW - LHR

2 stops20h 20mDelta

Deal found 28/4C$ 1,085

lun. 12/57:45 p.m.LHR - YOW

1 stop24h 20mAir France

mié. 21/55:15 p.m.YOW - LHR

1 stop12h 15mAir France

Deal found 28/4C$ 743

lun. 12/53:20 p.m.LHR - YOW

1 stop28h 45mMultiple Airlines

mié. 21/55:15 p.m.YOW - LHR

2 stops15h 35mMultiple Airlines

Deal found 28/4C$ 790

lun. 12/52:45 p.m.LHR - YOW

2 stops14h 37mKLM

mié. 21/55:15 p.m.YOW - LHR

2 stops15h 35mKLM

Deal found 28/4C$ 805

lun. 12/53:20 p.m.LHR - YOW

1 stop28h 45mVirgin Atlantic

mié. 21/55:15 p.m.YOW - LHR

1 stop9h 45mVirgin Atlantic

Deal found 28/4C$ 812

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 29 abril 2025.

mar. 10/66:20 a.m.LHR - YOW

2 stops23h 02mMultiple Airlines

Deal found 28/4C$ 467

sáb. 3/52:10 p.m.LHR - YOW

1 stop21h 35mWestJet

Deal found 28/4C$ 611

mié. 7/512:40 p.m.LHR - YOW

Nonstop7h 30mLufthansa

Deal found 28/4C$ 764

sáb. 31/55:40 p.m.LHR - YOW

1 stop10h 27mAir Canada

Deal found 27/4C$ 1,063

mar. 13/57:50 p.m.LHR - YOW

2 stops26h 14mTAP AIR PORTUGAL

Deal found 28/4C$ 1,128

sáb. 24/53:20 p.m.LHR - YOW

1 stop11h 49mUnited Airlines

Deal found 26/4C$ 2,511

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

sáb. 21/6

6:00 p.m.-9:11 a.m.

1 stop20h 11m

Ottawa

lun. 23/6

7:00 a.m.-9:00 p.m.

1 stop9h 00m

C$ 694

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

lun. 12/5

7:45 p.m.-3:05 p.m.

1 stop24h 20m

Ottawa

mié. 21/5

5:15 p.m.-10:30 a.m.

1 stop12h 15m

C$ 743

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

lun. 15/9

7:45 p.m.-3:05 p.m.

1 stop24h 20m

Ottawa

lun. 29/9

5:15 p.m.-1:45 p.m.

1 stop15h 30m

C$ 777

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

lun. 12/5

3:20 p.m.-3:05 p.m.

1 stop28h 45m

Ottawa

mié. 21/5

5:15 p.m.-1:50 p.m.

2 stops15h 35m

C$ 790

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

sáb. 21/6

12:40 p.m.-3:00 p.m.

Nonstop7h 20m

Ottawa

sáb. 28/6

5:55 p.m.-6:35 a.m.

1 stop31h 40m

C$ 802

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

lun. 12/5

2:45 p.m.-12:22 a.m.

2 stops14h 37m

Ottawa

mié. 21/5

5:15 p.m.-1:50 p.m.

2 stops15h 35m

C$ 805

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

lun. 12/5

6:00 a.m.-5:04 p.m.

2 stops40h 04m

Ottawa

jue. 22/5

3:55 p.m.-9:45 p.m.

2 stops24h 50m

C$ 844

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

vie. 9/5

7:30 p.m.-12:19 a.m.

2 stops33h 49m

Ottawa

mié. 21/5

7:55 p.m.-11:50 a.m.

1 stop10h 55m

C$ 847

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

sáb. 31/5

7:30 a.m.-6:52 p.m.

2 stops16h 22m

Ottawa

mié. 11/6

3:17 p.m.-6:45 a.m.

1 stop10h 28m

C$ 931

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

mié. 15/10

6:50 a.m.-1:45 p.m.

2 stops11h 55m

Ottawa

sáb. 25/10

4:05 p.m.-6:05 p.m.

2 stops21h 00m

C$ 952

Flights are sorted by cheapest round-trip flights first.

Deals found on 28/4

Showing 1-10 of 18 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 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?

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 88 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?

It’s typically best to fly out from London Heathrow Airport to Ottawa at noon. Doing so could potentially save you 10% on the flight price compared to flying in the afternoon, which is usually more expensive.

Rainfall in Ottawa 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

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

See what other customers who have flown with Delta, KLM and Austrian Airlines from London to Ottawa have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very good

7,929 reviews

Check prices

Reviews

1 / 20

6.0

Good

Moishe,Oct 2024

LGA - DEN

The plane had a mechanical error that delayed us by almost an hour. On the positive side the captain kept us all in the know

Delta

8.0

Very good

7,929 reviews

Delta

8.0

Very good

7,929 reviews

Check prices

Reviews

1 / 20

6.0

Good

Moishe,Oct 2024

LGA - DEN

The plane had a mechanical error that delayed us by almost an hour. On the positive side the captain kept us all in the know

KLM

7.8

Good

1,333 reviews

Delta

8.0

Very good

7,929 reviews

Check prices

Reviews

1 / 20

6.0

Good

Moishe,Oct 2024

LGA - DEN

The plane had a mechanical error that delayed us by almost an hour. On the positive side the captain kept us all in the know

Austrian Airlines

7.6

Good

780 reviews

Delta

8.0

Very good

7,929 reviews

Check prices

Reviews

1 / 20

6.0

Good

Moishe,Oct 2024

LGA - DEN

The plane had a mechanical error that delayed us by almost an hour. On the positive side the captain kept us all in the know

SWISS

7.5

Good

1,587 reviews

Delta

8.0

Very good

7,929 reviews

Check prices

Reviews

1 / 20

6.0

Good

Moishe,Oct 2024

LGA - DEN

The plane had a mechanical error that delayed us by almost an hour. On the positive side the captain kept us all in the know

Air France

7.4

Good

1,444 reviews

Delta

8.0

Very good

7,929 reviews

Check prices

Reviews

1 / 20

6.0

Good

Moishe,Oct 2024

LGA - DEN

The plane had a mechanical error that delayed us by almost an hour. On the positive side the captain kept us all in the know

Related info for your journey

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 4 daily inbound flights from London Heathrow from 3 different airlines.
What are the cheapest airlines flying from London Heathrow Airport to Ottawa round-trip?
Air Canada, at C$ 694, was found to be the cheapest airline from London Heathrow Airport to Ottawa.Alternate airlines to your destination round-trip include Air France and Lufthansa. Users have found that Air Canada is 35% 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$ 611 is the cheapest one-way deal found within the past few days, from WestJet. You may also be able to find cheap deals on Lufthansa and Air Canada, with prices starting from C$ 764 and C$ 1,063, respectively.
What are the most reliable airlines from London Heathrow Airport to Ottawa?
The top 3 most reliable airlines when flying from London Heathrow Airport to Ottawa are Air Canada (100%), Aegean Airlines (100%) and Austrian Airlines (100%).
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$ 1,609, our data indicates the cheapest price to be C$ 575. The most popular route (London Heathrow - Ottawa), is priced around C$ 743.
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

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Prescott

Brockville

Wakefield

Lanark

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Alternative routes for Heathrow to Ottawa

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Direct flights to Ontario

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Other flights to Ottawa

Top 3 airlines flying from Heathrow to Ottawa

Airline	Cheapest	Average	Flexibility	On-time
Air France	CheapestC$ 738	AverageC$ 968	FlexibilityNo cancel fee	On-time77%	Search Air France flights
Air Canada	CheapestC$ 826	AverageC$ 1,046	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
Lufthansa	CheapestC$ 857	AverageC$ 1,091	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights

Fly with Cheapflights

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.

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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 C$ 467

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 10/6. 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 February, booked 88 days in advance, depart on a Monday or Thursday and return on a Saturday

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 29 abril 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 29 abril 2025.

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Best time to book a flight from Heathrow to Ottawa

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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 25 April 2025.

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

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 29 abril 2025.

Rainfall in Ottawa by month

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

Temperature in Ottawa by month

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

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 29 abril 2025.

See what other customers who have flown with Delta, KLM and Austrian Airlines from London to Ottawa have to say. You can also see how each airline compares in terms of 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?

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

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

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

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

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?

Travelling to a place near London Heathrow Airport?

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Alternative routes for Heathrow to Ottawa

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Top 3 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 29 abril 2025.