What are the cheapest airlines to fly from London Heathrow Airport to Region of Ontario one-way?

One-way options have recently been found by users for as low as C$ 493 on WestJet. Other airlines that offer cheap prices include TAP AIR PORTUGAL from C$ 500 and British Airways from C$ 543 one-way.

What are the most popular routes from London Heathrow Airport to Region of Ontario?

The most popular route from London Heathrow Airport to Region of Ontario is London Heathrow - Toronto Pearson Intl. You may also consider London Heathrow - Toronto Island or London Heathrow - Montreal Pierre Elliott Trudeau Intl.

What are the cheapest flights from London Heathrow Airport to Region of Ontario?

While on average a flight from London Heathrow Airport to Region of Ontario is generally C$ 1,747, our data shows the cheapest flight currently is C$ 653. When looking at the most popular route, (London Heathrow - Toronto Pearson Intl), you can expect to pay C$ 562 for that flight.

What are the most reliable airlines from London Heathrow Airport to Region of Ontario?

Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from London Heathrow Airport to Region of Ontario on time: Croatia Airlines (89%), KLM (88%), Air France (88%).

What are the most popular airlines that fly from London Heathrow Airport to Region of Ontario?

Consider American Airlines, Air Canada or British Airways when booking your flight. These represent the most popular airlines when flying from London Heathrow Airport to Region of Ontario.

How far in advance should I book a flight from London Heathrow Airport to Region of Ontario?

Find a great deal and save up to 18% by booking at least 60 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 Region of Ontario within the next two weeks, with the cheapest ticket starting at C$ 790.

What is the cheapest month to fly from London Heathrow Airport to Region of Ontario?

Due to multiple factors, expect to potentially pay more when booking in August. For low rates, February can be a great choice for travel to Region of Ontario. Flights to Region of Ontario from London Heathrow Airport in February are about C$ 797 on average during February, but can be found for as low as C$ 512.

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

Yes. In addition to deals on Heathrow to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.

How can I find direct flights from Heathrow to Ontario?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Heathrow to Ontario.

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

Yes. Cheapflights offers flight deals from Heathrow to Ontario 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$ 415+ Flights from London Heathrow Airport to Ontario

Cheap flight deals from Heathrow to Ontario

Round-trip from	C$ 609
One-way from	C$ 415
Popular in	August
Cheapest in	February
Average price	C$ 756
Good round-trip deal	C$ 758 or less
Good one-way deal	C$ 713 or less

Air Canada
12/6-19/6
2 total stops
34h 35m total
London to Ontario

Search Deals

10/6
2 total stops
26h 16m total
London to Ontario

Search Deals

Highest demand for flights based on searches. 12% potential increase in price (C$ 156 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (C$ 32 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 Ontario.

Search Deals

Price to beat on a one-way flight from London Heathrow to Ontario.

Search Deals

Find flight deals from Heathrow to Ontario

Cheapest flights from Heathrow to Ontario
Explore the most affordable flight options available from Heathrow to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 April 2025.

Thu 4/98:05 p.m.LHR - YYZ

1 stop21h 45mMultiple Airlines

Thu 25/912:05 p.m.YYZ - LHR

1 stop13h 25mMultiple Airlines

Deal found 29/4C$ 610

Fri 13/66:00 a.m.LHR - YTZ

2 stops18h 50mAir Canada

Fri 20/66:25 p.m.YTZ - LHR

2 stops21h 35mAir Canada

Deal found 29/4C$ 610

Sat 21/67:30 a.m.LHR - YYZ

1 stop13h 50mLufthansa

Mon 30/64:00 p.m.YYZ - LHR

1 stop9h 30mLufthansa

Deal found 28/4C$ 612

Wed 4/67:30 p.m.LHR - YYZ

1 stop23h 20mAir Canada

Sat 7/612:30 a.m.YYZ - LHR

1 stop28h 30mAir Canada

Deal found 29/4C$ 613

Tue 6/58:45 a.m.LHR - YTZ

2 stops14h 05mMultiple Airlines

Sun 11/57:20 p.m.YTZ - LHR

1 stop30h 10mMultiple Airlines

Deal found 29/4C$ 633

Thu 5/63:00 p.m.LHR - YYZ

1 stop27h 50mAustrian Airlines

Wed 11/65:00 p.m.YYZ - LHR

1 stop10h 35mAustrian Airlines

Deal found 29/4C$ 644

Sat 21/68:30 a.m.LHR - YOW

1 stop30h 17mAir Canada

Sun 22/66:10 p.m.YOW - LHR

1 stop21h 50mAir Canada

Deal found 29/4C$ 649

Wed 21/57:30 a.m.LHR - YUL

1 stop13h 30mMultiple Airlines

Thu 5/62:10 p.m.YUL - LHR

1 stop14h 25mMultiple Airlines

Deal found 28/4C$ 655

Wed 3/99:30 a.m.LHR - YUL

Nonstop7h 10mAir Canada

Mon 8/95:10 p.m.YUL - LHR

1 stop10h 25mAir Canada

Deal found 28/4C$ 659

Fri 13/69:55 a.m.LHR - YUL

1 stop12h 00mVirgin Atlantic

Mon 16/66:50 p.m.YUL - LHR

1 stop14h 00mVirgin Atlantic

Deal found 29/4C$ 660

Wed 7/55:10 p.m.LHR - YYZ

1 stop28h 15mSWISS

Sun 11/56:00 p.m.YYZ - LHR

2 stops17h 35mSWISS

Deal found 29/4C$ 663

Sat 14/66:30 a.m.LHR - YUL

1 stop14h 30mLufthansa

Fri 5/92:10 p.m.YUL - LHR

1 stop13h 25mLufthansa

Deal found 29/4C$ 666

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

Thu 12/68:40 a.m.LHR - YYZ

1 stop12h 45mAir Canada

Thu 19/66:10 p.m.YYZ - LHR

1 stop21h 50mAir Canada

Deal found 28/4C$ 609

Sat 21/67:30 a.m.LHR - YYZ

1 stop13h 50mLufthansa

Mon 30/64:00 p.m.YYZ - LHR

1 stop9h 30mLufthansa

Deal found 28/4C$ 612

Wed 10/96:00 a.m.LHR - YYZ

1 stop15h 25mMultiple Airlines

Sun 21/98:30 p.m.YYZ - LHR

Nonstop7h 05mMultiple Airlines

Deal found 29/4C$ 615

Fri 19/98:05 p.m.LHR - YYZ

1 stop21h 45mSWISS

Tue 23/94:35 p.m.YYZ - LHR

1 stop18h 50mSWISS

Deal found 28/4C$ 639

Fri 13/69:55 a.m.LHR - YUL

1 stop12h 00mVirgin Atlantic

Mon 16/66:50 p.m.YUL - LHR

1 stop14h 00mVirgin Atlantic

Deal found 29/4C$ 660

Fri 16/56:20 a.m.LHR - YYZ

1 stop14h 20mBritish Airways

Mon 19/510:00 p.m.YYZ - LHR

Nonstop7h 15mBritish Airways

Deal found 28/4C$ 666

Tue 26/86:00 a.m.LHR - YUL

2 stops35h 10mAustrian Airlines

Tue 2/96:35 p.m.YUL - LHR

1 stop32h 45mAustrian Airlines

Deal found 29/4C$ 689

Wed 25/65:50 p.m.LHR - YYZ

1 stop22h 50mBrussels Airlines

Tue 1/74:30 p.m.YYZ - LHR

2 stops23h 25mBrussels Airlines

Deal found 28/4C$ 706

Fri 6/66:30 a.m.LHR - YYZ

2 stops17h 30mUnited Airlines

Tue 24/611:00 a.m.YYZ - LHR

1 stop14h 20mUnited Airlines

Deal found 28/4C$ 716

Fri 19/91:05 p.m.LHR - YYZ

1 stop13h 50mIcelandair

Fri 26/98:50 p.m.YYZ - LHR

1 stop10h 05mIcelandair

Deal found 29/4C$ 717

Thu 15/56:40 a.m.LHR - YYZ

1 stop14h 00mScandinavian Airlines

Mon 6/105:10 p.m.YYZ - LHR

1 stop17h 50mScandinavian Airlines

Deal found 29/4C$ 734

Mon 9/63:20 p.m.LHR - YUL

1 stop9h 50mDelta

Mon 14/712:47 p.m.YUL - LHR

2 stops13h 53mDelta

Deal found 29/4C$ 742

Direct flights from Heathrow to Ontario
Explore direct flight options from Heathrow to Ontario based on user searches, and compare prices and availability for your desired travel dates. Data last updated 29 April 2025.

Tue 10/65:40 p.m.LHR - YYZ

Nonstop7h 50mLufthansa

Fri 20/66:20 p.m.YYZ - LHR

Nonstop7h 15mLufthansa

Deal found 28/4C$ 624

Wed 4/68:30 a.m.LHR - YYZ

Nonstop7h 50mMultiple Airlines

Sun 15/66:00 p.m.YYZ - LHR

Nonstop7h 35mMultiple Airlines

Deal found 28/4C$ 627

Fri 6/65:40 p.m.LHR - YYZ

Nonstop7h 50mAir Canada

Sun 15/66:00 p.m.YYZ - LHR

Nonstop7h 35mAir Canada

Deal found 28/4C$ 631

Tue 1/76:05 p.m.LHR - YUL

Nonstop7h 10mBritish Airways

Sun 6/710:00 p.m.YUL - LHR

Nonstop6h 40mBritish Airways

Deal found 29/4C$ 655

Mon 8/99:30 a.m.LHR - YUL

Nonstop7h 10mLufthansa

Mon 22/99:55 p.m.YUL - LHR

Nonstop6h 40mLufthansa

Deal found 28/4C$ 662

Wed 27/89:30 a.m.LHR - YUL

Nonstop7h 10mAir Canada

Tue 2/96:55 p.m.YUL - LHR

Nonstop6h 35mAir Canada

Deal found 29/4C$ 663

Wed 2/76:05 p.m.LHR - YUL

Nonstop7h 10mMultiple Airlines

Sun 6/710:00 p.m.YUL - LHR

Nonstop6h 40mMultiple Airlines

Deal found 29/4C$ 757

Mon 26/56:05 p.m.LHR - YUL

Nonstop7h 10mAmerican Airlines

Mon 2/610:10 p.m.YUL - LHR

Nonstop6h 40mAmerican Airlines

Deal found 29/4C$ 781

Sat 27/91:20 p.m.LHR - YYZ

Nonstop7h 40mBritish Airways

Sat 21/311:05 p.m.YYZ - LHR

Nonstop7h 10mBritish Airways

Deal found 28/4C$ 799

Mon 12/55:50 p.m.LHR - YYZ

Nonstop7h 50mVirgin Atlantic

Mon 19/510:30 p.m.YYZ - LHR

Nonstop7h 10mVirgin Atlantic

Deal found 29/4C$ 815

Wed 24/95:15 p.m.LHR - YYZ

Nonstop7h 55mAmerican Airlines

Tue 14/106:05 p.m.YYZ - LHR

Nonstop7h 10mAmerican Airlines

Deal found 28/4C$ 822

Sat 13/912:40 p.m.LHR - YOW

Nonstop7h 20mAir Canada

Sat 27/99:00 p.m.YOW - LHR

Nonstop6h 35mAir Canada

Deal found 28/4C$ 829

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

Mon 5/57:00 a.m.LHR - YYZ

2 stops36h 34mSWISS

Tue 13/58:15 p.m.YYZ - LHR

1 stop30h 40mSWISS

Deal found 28/4C$ 662

Mon 5/56:00 a.m.LHR - YUL

1 stop12h 50mAustrian Airlines

Mon 12/56:35 p.m.YUL - LHR

1 stop32h 45mAustrian Airlines

Deal found 28/4C$ 735

Tue 6/58:45 a.m.LHR - YYZ

1 stop12h 40mAir Canada

Wed 14/55:00 p.m.YYZ - LHR

1 stop12h 00mAir Canada

Deal found 29/4C$ 610

Tue 6/51:05 p.m.LHR - YYZ

1 stop11h 05mIcelandair

Fri 9/58:50 p.m.YYZ - LHR

1 stop18h 30mIcelandair

Deal found 28/4C$ 675

Tue 6/58:45 a.m.LHR - YTZ

2 stops14h 05mMultiple Airlines

Sun 11/57:20 p.m.YTZ - LHR

1 stop30h 10mMultiple Airlines

Deal found 29/4C$ 633

Tue 6/56:30 a.m.LHR - YYZ

1 stop14h 50mMultiple Airlines

Sun 11/56:30 a.m.YYZ - LHR

1 stop9h 30mMultiple Airlines

Deal found 29/4C$ 667

Wed 7/56:00 a.m.LHR - YYZ

1 stop15h 25mMultiple Airlines

Wed 14/56:30 a.m.YYZ - LHR

1 stop9h 30mMultiple Airlines

Deal found 28/4C$ 644

Wed 7/56:30 a.m.LHR - YUL

1 stop14h 30mLufthansa

Thu 15/56:05 p.m.YUL - LHR

1 stop15h 35mLufthansa

Deal found 29/4C$ 675

Wed 7/510:30 a.m.LHR - YUL

1 stop10h 30mMultiple Airlines

Tue 13/54:40 p.m.YUL - LHR

1 stop10h 15mMultiple Airlines

Deal found 29/4C$ 709

Wed 7/55:10 p.m.LHR - YYZ

1 stop28h 15mSWISS

Sun 11/56:00 p.m.YYZ - LHR

2 stops17h 35mSWISS

Deal found 29/4C$ 663

Thu 8/58:40 a.m.LHR - YUL

1 stop11h 20mSWISS

Mon 12/54:40 p.m.YUL - LHR

1 stop18h 45mSWISS

Deal found 28/4C$ 720

Thu 8/51:30 p.m.LHR - YYZ

1 stop11h 05mLufthansa

Wed 14/55:00 p.m.YYZ - LHR

1 stop12h 00mLufthansa

Deal found 29/4C$ 630

One-way flights from Heathrow to Ontario
Search for one-way flight options from Heathrow to Ontario. Find affordable one-way fares based on user searches. Data last updated 29 April 2025.

Tue 10/67:35 p.m.LHR - YYZ

2 stops26h 16mMultiple Airlines

Deal found 29/4C$ 415

Tue 3/62:10 p.m.LHR - YHM

1 stop15h 31mWestJet

Deal found 29/4C$ 493

Thu 22/56:20 a.m.LHR - YTZ

3 stops18h 07mMultiple Airlines

Deal found 28/4C$ 494

Wed 17/96:45 p.m.LHR - YYZ

1 stop24h 10mTAP AIR PORTUGAL

Deal found 29/4C$ 500

Wed 4/68:15 p.m.LHR - YOW

2 stops47h 41mMultiple Airlines

Deal found 29/4C$ 501

Fri 16/56:15 a.m.LHR - YUL

1 stop19h 45mMultiple Airlines

Deal found 28/4C$ 525

Tue 3/61:20 p.m.LHR - YYZ

Nonstop7h 40mBritish Airways

Deal found 29/4C$ 543

Fri 13/64:00 p.m.LHR - YXU

1 stop10h 28mAir Canada

Deal found 29/4C$ 552

Tue 24/66:45 p.m.LHR - YUL

1 stop31h 00mTAP AIR PORTUGAL

Deal found 28/4C$ 601

Tue 3/68:30 a.m.LHR - YYZ

1 stop16h 15mLufthansa

Deal found 28/4C$ 623

Tue 2/97:40 a.m.LHR - YYZ

1 stop13h 10mAer Lingus

Deal found 29/4C$ 628

Tue 3/66:00 a.m.LHR - YYZ

1 stop12h 50mAustrian Airlines

Deal found 29/4C$ 646

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

LondonToronto

LHR - YYZ

LHRYYZ

London Heathrow

Thu 12/6

8:40 a.m.-4:25 p.m.

1 stop12h 45m

Toronto Pearson Intl

Thu 19/6

6:10 p.m.-9:00 p.m.

1 stop21h 50m

C$ 609

LondonToronto

LHR - YYZ

LHRYYZ

London Heathrow

Sat 21/6

7:30 a.m.-4:20 p.m.

1 stop13h 50m

Toronto Pearson Intl

Mon 30/6

4:00 p.m.-6:30 a.m.

1 stop9h 30m

C$ 612

LondonToronto

LHR - YYZ

LHRYYZ

London Heathrow

Wed 10/9

6:00 a.m.-4:25 p.m.

1 stop15h 25m

Toronto Pearson Intl

Sun 21/9

8:30 p.m.-8:35 a.m.

Nonstop7h 05m

C$ 615

LondonToronto

LHR - YTZ

LHRYTZ

London Heathrow

Fri 20/6

8:40 a.m.-5:46 p.m.

2 stops14h 06m

Toronto Island

Tue 1/7

6:25 p.m.-10:00 a.m.

1 stop10h 35m

C$ 615

LondonToronto

LHR - YTZ

LHRYTZ

London Heathrow

Thu 12/6

6:50 a.m.-4:50 p.m.

2 stops15h 00m

Toronto Island

Thu 19/6

12:25 p.m.-7:55 a.m.

2 stops14h 30m

C$ 619

LondonToronto

LHR - YYZ

LHRYYZ

London Heathrow

Fri 19/9

8:05 p.m.-12:50 p.m.

1 stop21h 45m

Toronto Pearson Intl

Tue 23/9

4:35 p.m.-4:25 p.m.

1 stop18h 50m

C$ 639

LondonOttawa

LHR - YOW

LHRYOW

London Heathrow

Sat 21/6

8:30 a.m.-9:47 a.m.

1 stop30h 17m

Ottawa

Sun 22/6

6:10 p.m.-9:00 p.m.

1 stop21h 50m

C$ 649

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Wed 21/5

7:30 a.m.-4:00 p.m.

1 stop13h 30m

Montreal Pierre Elliott Trudeau Intl

Thu 5/6

2:10 p.m.-9:35 a.m.

1 stop14h 25m

C$ 655

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Wed 3/9

9:30 a.m.-11:40 a.m.

Nonstop7h 10m

Montreal Pierre Elliott Trudeau Intl

Mon 8/9

5:10 p.m.-8:35 a.m.

1 stop10h 25m

C$ 659

LondonMontreal

LHR - YUL

LHRYUL

London Heathrow

Fri 13/6

9:55 a.m.-4:55 p.m.

1 stop12h 00m

Montreal Pierre Elliott Trudeau Intl

Mon 16/6

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

1 stop14h 00m

C$ 660

Flights are sorted by cheapest round-trip flights first.

Deals found on 29/4

Showing 1-10 of 60 results

...

Best time to book a flight from Heathrow to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario 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 Ontario

What is the cheapest month to book a flight from London Heathrow Airport to Region of Ontario?

Currently, January is the cheapest month in which you can book a flight from London Heathrow Airport to Region of Ontario (average of C$ 167). Flying from London Heathrow Airport to Region of Ontario in July is currently the most expensive (average of C$ 258). 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 ON?

When flying from London Heathrow Airport to Region of Ontario, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from London Heathrow Airport to Region of Ontario

The most flights from LHR to CAON are scheduled on a Tuesday (39 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (34 on average).

Rainfall in Ontario by month

In terms of precipitation, rainfall in Region of Ontario ranges from 51.0 - 83.0 mm per month. June is typically the wettest month, when rainfall can reach 83.0 mm. February is typically the driest time to visit Region of Ontario when rainfall is around 51.0 mm.

Temperature in Ontario by month

If weather is an important factor for your trip to Region of Ontario, 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 -6.0 C).

Reviews of airlines servicing Ontario

Read through reviews of airlines operating flights from London to Ontario, such as Delta, KLM and Azores Airlines. Reviews also offer insight into each airline's 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

Azores Airlines

7.6

Good

66 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

Finnair

7.6

Good

1,273 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

Related info for your journey

What are the cheapest airlines to fly from London Heathrow Airport to Region of Ontario one-way?
One-way options have recently been found by users for as low as C$ 493 on WestJet. Other airlines that offer cheap prices include TAP AIR PORTUGAL from C$ 500 and British Airways from C$ 543 one-way.
What are the most popular routes from London Heathrow Airport to Region of Ontario?
The most popular route from London Heathrow Airport to Region of Ontario is London Heathrow - Toronto Pearson Intl. You may also consider London Heathrow - Toronto Island or London Heathrow - Montreal Pierre Elliott Trudeau Intl.
What are the most reliable airlines from London Heathrow Airport to Region of Ontario?
Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from London Heathrow Airport to Region of Ontario on time: Croatia Airlines (89%), KLM (88%), Air France (88%).
What are the cheapest flights from London Heathrow Airport to Region of Ontario?
While on average a flight from London Heathrow Airport to Region of Ontario is generally C$ 1,747, our data shows the cheapest flight currently is C$ 653. When looking at the most popular route, (London Heathrow - Toronto Pearson Intl), you can expect to pay C$ 562 for that flight.
Can I find deals for flights from Heathrow to Ontario that include hotel bookings?
Yes. In addition to deals on Heathrow to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from Heathrow to Ontario?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Heathrow to Ontario.
Can I find deals for business class flights from Heathrow to Ontario?
Yes. Cheapflights offers flight deals from Heathrow to Ontario 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 Region of Ontario?
Currently, January is the cheapest month in which you can book a flight from London Heathrow Airport to Region of Ontario (average of C$ 167). Flying from London Heathrow Airport to Region of Ontario in July is currently the most expensive (average of C$ 258). 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

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Heathrow to Ontario

Heathrow to Pearson Intl flights

Gatwick to Pearson Intl flights

Heathrow to Vancouver Intl flights

London City to Pearson Intl flights

Gatwick to Vancouver Intl flights

Heathrow to Calgary flights

Stansted to Pearson Intl flights

Luton to Pearson Intl flights

Heathrow to Pierre Elliott Trudeau Intl flights

London City to Vancouver Intl flights

Gatwick to Pierre Elliott Trudeau Intl flights

Gatwick to Calgary flights

Southend to Pearson Intl flights

London City to Pierre Elliott Trudeau Intl flights

London City to Calgary flights

Heathrow to Ottawa flights

Heathrow to Halifax flights

Luton to Pierre Elliott Trudeau Intl flights

Stansted to Pierre Elliott Trudeau Intl flights

Heathrow to Abbotsford flights

Luton to Calgary flights

Gatwick to Ottawa flights

Southend to Pierre Elliott Trudeau Intl flights

Heathrow to Winnipeg flights

Heathrow to Edmonton flights

Stansted to Calgary flights

Gatwick to Edmonton flights

Gatwick to Halifax flights

Gatwick to Winnipeg flights

Gatwick to St. John's flights

Luton to Vancouver Intl flights

Heathrow to St. John's flights

Heathrow to London flights

Heathrow to Québec City flights

Heathrow to Victoria flights

Heathrow to Kelowna flights

Gatwick to Québec City flights

Gatwick to Kelowna flights

Stansted to Ottawa flights

Heathrow to Saskatoon flights

Complete your trip

Region of Ontario car rentals

Toronto Pearson Intl Airport car rentals

Ottawa Airport car rentals

Toronto Island Airport car rentals

Hamilton Airport car rentals

Toronto Region of Waterloo Intl Airport car rentals

London Airport car rentals

Thunder Bay Airport car rentals

Sault Ste Marie Airport car rentals

Timmins Airport car rentals

Kingston Airport car rentals

North Bay Airport car rentals

Direct flights to Canada

Top 10 airlines flying from Heathrow to Ontario

Airline	Cheapest	Average	Flexibility	On-time
Lufthansa	CheapestC$ 594	AverageC$ 957	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights
Icelandair	CheapestC$ 622	AverageC$ 853	FlexibilityNo cancel fee	On-time76%	Search Icelandair flights
TAP AIR PORTUGAL	CheapestC$ 625	AverageC$ 1,002	FlexibilityNo cancel fee	On-timeN/A	Search TAP AIR PORTUGAL flights
British Airways	CheapestC$ 644	AverageC$ 872	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
Virgin Atlantic	CheapestC$ 653	AverageC$ 814	FlexibilityNo cancel fee	On-time72%	Search Virgin Atlantic flights
Air Transat	CheapestC$ 658	AverageC$ 852	FlexibilityNo cancel fee	On-time50%	Search Air Transat flights
Scandinavian Airlines	CheapestC$ 662	AverageC$ 926	FlexibilityNo cancel fee	On-time77%	Search Scandinavian Airlines flights
Air Canada	CheapestC$ 669	AverageC$ 954	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
United Airlines	CheapestC$ 709	AverageC$ 1,260	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
American Airlines	CheapestC$ 711	AverageC$ 964	FlexibilityNo cancel fee	On-time71%	Search American Airlines flights

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How does Cheapflights help users find flights from Heathrow to Ontario?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Heathrow to Ontario. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Heathrow to Ontario?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Heathrow to Ontario.

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

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

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Cheap flights from London Heathrow Airport to Ontario from C$ 415

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.

Cheap flight deals from Heathrow to Ontario

Keep the following information in mind while searching for Heathrow to Ontario flight deals. Data was last updated 29 April 2025.

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One-way from

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Find flight deals from Heathrow to Ontario

Cheapest flights from Heathrow to OntarioExplore the most affordable flight options available from Heathrow to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 April 2025.

Explore the most affordable flight options available from Heathrow to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 April 2025.

Cheapflights Fare Finder

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

Best time to book a flight from Heathrow to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Heathrow with our price prediction graph.

Cheapflights Insights

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

What is the cheapest month to book a flight from London Heathrow Airport to Region of Ontario?

What is the cheapest time of day to fly from LHR to ON?

Find hourly flight availability from Heathrow to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 29 April 2025.

Weekly flight availability from London Heathrow Airport to Region of Ontario

Explore weekly flight availability from Heathrow to Ontario. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 29 April 2025.

Rainfall in Ontario by month

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

Temperature in Ontario by month

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

Reviews of airlines servicing Ontario

Read through reviews of airlines operating flights from London to Ontario, such as Delta, KLM and Azores Airlines. 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 Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What are the cheapest airlines to fly from London Heathrow Airport to Region of Ontario one-way?

What are the most popular routes from London Heathrow Airport to Region of Ontario?

What are the most reliable airlines from London Heathrow Airport to Region of Ontario?

What are the cheapest flights from London Heathrow Airport to Region of Ontario?

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

How can I find direct flights from Heathrow to Ontario?

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

What is the cheapest month to book a flight from London Heathrow Airport to Region of Ontario?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Heathrow to Ontario

See prices for flight routes from nearby airports that may be better suited for you.

Top 10 airlines flying from Heathrow to Ontario

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 Ontario?

Why should you use Cheapflights to find cheap flight tickets from Heathrow to Ontario?

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

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

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Cheapest flights from Heathrow to Ontario
Explore the most affordable flight options available from Heathrow to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 April 2025.