How long is the flight from United Kingdom to Region of Ontario?

There are many flights that can get you from United Kingdom to Region of Ontario in 7h 55m. Fly via Air Canada, Air Transat, or Lufthansa to get the fastest option. United Kingdom and Region of Ontario are separated by a distance of 3543 mi. This flight may include one or multiple stops.

What are the cheapest airlines to fly from United Kingdom to Region of Ontario one-way?

For one-way options, check prices for WestJet. According to our data, you can fly for as low as £248. Users have also found prices from £267 and £268 on KLM and British Airways, respectively.

In terms of precipitation, rainfall in Region of Ontario ranges from 51.0 - 83.0 inches 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.

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).

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

Yes. In addition to deals on United Kingdom to Ontario flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from United Kingdom to Ontario?

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

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

Yes. Cheapflights offers flight deals from United Kingdom 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.

£223+ Flights from the United Kingdom to Ontario

Cheap flight deals from United Kingdom to Ontario

Round-trip from	£342
One-way from	£223
Popular in	December
Cheapest in	February
Average price	£376
Good round-trip deal	£363 or less
Good one-way deal	£287 or less

Lufthansa
6/11-16/11
1 total stop
18h 40m total
United Kingdom to Ontario

Search Deals

8/11
1 total stop
28h 25m total
United Kingdom to Ontario

Search Deals

Highest demand for flights based on searches. 4% potential increase in price (£13 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (£9 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 United Kingdom to Ontario.

Search Deals

Price to beat on a one-way flight from United Kingdom to Ontario.

Search Deals

Find flight deals from United Kingdom to Ontario

Cheapest flights from United Kingdom to Ontario
Explore the most affordable flight options available from United Kingdom to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 September 2025.

Thu 6/1113:30LHR - YYZ

1 stop11h 20mLufthansa

Sun 16/1123:00YYZ - LHR

Nonstop7h 20mLufthansa

Deal found 16/9£342

Thu 6/1111:40LGW - YYZ

Nonstop8h 20mAir Transat

Wed 12/1121:35YYZ - LGW

Nonstop7h 10mAir Transat

Deal found 17/9£342

Wed 5/1109:00LHR - YTZ

2 stops13h 55mAir Canada

Wed 19/1112:30YTZ - LHR

1 stop13h 40mAir Canada

Deal found 16/9£342

Mon 6/1008:30LHR - YYZ

Nonstop7h 55mAir Canada

Mon 13/1006:30YYZ - LHR

1 stop9h 30mAir Canada

Deal found 17/9£343

Wed 24/912:40LGW - YYZ

Nonstop8h 00mAir Transat

Sat 11/1016:40YYZ - LGW

1 stop12h 10mAir Transat

Deal found 17/9£343

Mon 24/1109:00LHR - YTZ

2 stops13h 55mAir Canada

Mon 8/1215:30YTZ - LHR

1 stop10h 40mAir Canada

Deal found 17/9£343

Thu 6/1120:00LTN - YYZ

2 stops30h 15mMultiple Airlines

Wed 12/1117:15YYZ - LTN

2 stops21h 45mMultiple Airlines

Deal found 16/9£344

Thu 25/912:40LHR - YYZ

1 stop10h 20mAir Canada

Sun 5/1019:15YYZ - LHR

1 stop9h 20mAir Canada

Deal found 17/9£344

Wed 5/1111:40LGW - YYZ

Nonstop8h 20mAir Transat

Wed 12/1121:35YYZ - LGW

Nonstop7h 10mAir Transat

Deal found 16/9£344

Sat 22/1113:25LHR - YTZ

1 stop11h 30mAir Canada

Sat 6/1210:30YTZ - LHR

1 stop15h 40mAir Canada

Deal found 15/9£344

Thu 9/1011:35LGW - YTZ

1 stop15h 45mAir Transat

Thu 16/1014:45YTZ - LGW

1 stop14h 05mAir Transat

Deal found 16/9£344

Wed 8/1008:30LHR - YYZ

Nonstop7h 55mAir Canada

Mon 27/1023:55YYZ - LHR

Nonstop7h 25mAir Canada

Deal found 15/9£344

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

Fri 16/109:00LHR - YTZ

2 stops13h 55mAir Canada

Mon 19/110:30YTZ - LHR

1 stop15h 40mAir Canada

Deal found 17/9£344

Fri 10/1011:35LGW - YTZ

1 stop11h 35mAir Transat

Fri 17/1021:00YTZ - LGW

1 stop31h 50mAir Transat

Deal found 16/9£347

Wed 4/306:00LHR - YTZ

2 stops16h 55mMultiple Airlines

Tue 10/312:30YTZ - LHR

2 stops17h 15mMultiple Airlines

Deal found 16/9£349

Tue 23/908:30LHR - YYZ

Nonstop7h 55mLufthansa

Tue 30/918:30YYZ - LHR

1 stop10h 05mLufthansa

Deal found 15/9£363

Tue 2/1217:30LHR - YYZ

2 stops27h 10mScandinavian Airlines

Tue 9/1217:10YYZ - LHR

1 stop20h 20mScandinavian Airlines

Deal found 16/9£372

Fri 31/1007:30LHR - YYZ

2 stops17h 12mUnited Airlines

Fri 7/1114:45YYZ - LHR

1 stop10h 55mUnited Airlines

Deal found 15/9£379

Fri 3/1015:05LGW - YYZ

1 stop23h 54mBritish Airways

Mon 6/1007:15YYZ - LGW

1 stop19h 55mBritish Airways

Deal found 17/9£379

Sun 5/1006:00LHR - YUL

2 stops19h 53mSWISS

Sun 26/1018:40YUL - LHR

1 stop21h 55mSWISS

Deal found 18/9£381

Fri 12/1208:40LCY - YYZ

1 stop12h 00mDelta

Thu 25/1221:15YYZ - LCY

1 stop14h 20mDelta

Deal found 15/9£404

Thu 20/1120:05LCY - YUL

1 stop26h 15mVirgin Atlantic

Tue 25/1112:50YUL - LCY

2 stops13h 25mVirgin Atlantic

Deal found 16/9£407

Tue 17/210:00LCY - YYZ

1 stop10h 40mKLM

Sun 22/217:50YYZ - LCY

1 stop10h 00mKLM

Deal found 16/9£407

Tue 18/1121:20LGW - YUL

2 stops27h 55mTAP AIR PORTUGAL

Wed 26/1121:45YUL - LGW

1 stop12h 20mTAP AIR PORTUGAL

Deal found 17/9£434

Tue 7/1006:00LHR - YTZ

2 stops20h 34mAir Canada

Wed 22/1012:25YTZ - LHR

1 stop13h 05mAir Canada

Deal found 17/9£345

Tue 13/111:40LGW - YYZ

Nonstop8h 20mAir Transat

Sat 7/221:35YYZ - LGW

Nonstop7h 10mAir Transat

Deal found 16/9£348

Tue 30/918:10STN - YYZ

3 stops27h 40mMultiple Airlines

Wed 8/1022:10YYZ - STN

1 stop11h 15mMultiple Airlines

Deal found 17/9£350

Tue 23/915:50LHR - YYZ

Nonstop7h 55mLufthansa

Mon 29/923:35YYZ - LHR

Nonstop7h 15mLufthansa

Deal found 15/9£363

Sun 8/206:50LHR - YTZ

2 stops13h 05mAir Canada

Thu 12/210:25YTZ - LHR

2 stops15h 45mAir Canada

Deal found 17/9£347

Thu 6/1111:40LGW - YYZ

Nonstop8h 20mAir Transat

Fri 14/1121:35YYZ - LGW

Nonstop7h 10mAir Transat

Deal found 16/9£352

Wed 8/1019:20LCY - YYZ

1 stop26h 05mSWISS

Sun 19/1020:15YYZ - LCY

1 stop11h 15mSWISS

Deal found 15/9£388

Fri 31/1007:30LHR - YUL

2 stops16h 18mUnited Airlines

Fri 7/1115:00YUL - LHR

2 stops14h 50mUnited Airlines

Deal found 16/9£393

Thu 25/909:30LHR - YYZ

1 stop11h 04mLufthansa

Mon 29/923:35YYZ - LHR

Nonstop7h 15mLufthansa

Deal found 15/9£363

Thu 20/1120:05LCY - YUL

1 stop26h 15mVirgin Atlantic

Mon 24/1116:45YUL - LCY

2 stops18h 50mVirgin Atlantic

Deal found 17/9£407

Thu 19/210:00LCY - YYZ

1 stop10h 40mKLM

Sun 22/217:50YYZ - LCY

1 stop9h 20mKLM

Deal found 16/9£407

Tue 3/309:20LCY - YYZ

1 stop11h 20mDelta

Sun 8/318:50YYZ - LCY

1 stop10h 00mDelta

Deal found 17/9£409

Thu 20/1116:30STN - YYZ

3 stops29h 10mMultiple Airlines

Sat 29/1119:35YYZ - STN

1 stop9h 15mMultiple Airlines

Deal found 16/9£382

Sat 1/1106:50LHR - YTZ

2 stops17h 05mAir Canada

Tue 4/1120:30YTZ - LHR

2 stops33h 45mAir Canada

Deal found 16/9£348

Fri 5/1211:40LGW - YYZ

Nonstop8h 20mAir Transat

Wed 10/1221:35YYZ - LGW

Nonstop7h 10mAir Transat

Deal found 17/9£353

Sun 2/1107:30LHR - YUL

2 stops17h 18mUnited Airlines

Sun 9/1115:00YUL - LHR

1 stop12h 25mUnited Airlines

Deal found 18/9£394

Sat 4/1009:30LHR - YYZ

1 stop11h 04mLufthansa

Thu 23/1016:00YYZ - LHR

1 stop9h 30mLufthansa

Deal found 15/9£363

Sat 7/208:40LCY - YUL

2 stops19h 32mVirgin Atlantic

Wed 18/219:10YUL - LCY

1 stop17h 10mVirgin Atlantic

Deal found 16/9£411

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

Thu 6/1118:00LHR - YYZ

Nonstop8h 10mAir Canada

Thu 27/1123:00YYZ - LHR

Nonstop7h 20mAir Canada

Deal found 17/9£342

Thu 6/1111:40LGW - YYZ

Nonstop8h 20mAir Transat

Wed 12/1121:35YYZ - LGW

Nonstop7h 10mAir Transat

Deal found 17/9£342

Mon 6/1008:30LHR - YYZ

Nonstop7h 55mAir Canada

Sun 12/1021:30YYZ - LHR

Nonstop7h 30mAir Canada

Deal found 17/9£343

Thu 16/1012:40LGW - YYZ

Nonstop8h 00mAir Transat

Wed 5/1121:35YYZ - LGW

Nonstop7h 10mAir Transat

Deal found 15/9£343

Sun 18/116:00LHR - YYZ

Nonstop8h 25mVirgin Atlantic

Wed 21/121:15YYZ - LHR

Nonstop7h 20mVirgin Atlantic

Deal found 17/9£344

Wed 5/1111:40LGW - YYZ

Nonstop8h 20mAir Transat

Wed 12/1121:35YYZ - LGW

Nonstop7h 10mAir Transat

Deal found 16/9£344

Wed 8/1008:30LHR - YYZ

Nonstop7h 55mAir Canada

Mon 27/1023:55YYZ - LHR

Nonstop7h 25mAir Canada

Deal found 15/9£344

Thu 6/1111:40LGW - YYZ

Nonstop8h 20mAir Transat

Sun 14/1221:35YYZ - LGW

Nonstop7h 10mAir Transat

Deal found 15/9£344

Wed 15/1008:30LHR - YYZ

Nonstop7h 55mAir Canada

Wed 26/1118:10YYZ - LHR

Nonstop7h 20mAir Canada

Deal found 15/9£345

Thu 30/1011:40LGW - YYZ

Nonstop8h 20mAir Transat

Wed 5/1121:35YYZ - LGW

Nonstop7h 10mAir Transat

Deal found 17/9£345

Fri 10/1008:30LHR - YYZ

Nonstop7h 55mAir Canada

Sun 12/1023:35YYZ - LHR

Nonstop7h 15mAir Canada

Deal found 17/9£346

Thu 6/1111:40LGW - YYZ

Nonstop8h 20mAir Transat

Mon 10/1121:35YYZ - LGW

Nonstop7h 10mAir Transat

Deal found 17/9£346

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

Thu 18/911:35LGW - YYZ

1 stop28h 51mAir Transat

Sun 5/1022:45YYZ - LGW

Nonstop7h 00mAir Transat

Deal found 16/9£344

Wed 24/912:40LGW - YYZ

Nonstop8h 00mAir Transat

Sat 11/1016:40YYZ - LGW

1 stop12h 10mAir Transat

Deal found 17/9£343

Wed 24/912:40LGW - YYZ

Nonstop8h 00mAir Transat

Mon 29/922:45YYZ - LGW

Nonstop7h 00mAir Transat

Deal found 17/9£345

Thu 25/912:40LHR - YYZ

1 stop10h 20mAir Canada

Sun 5/1019:15YYZ - LHR

1 stop9h 20mAir Canada

Deal found 17/9£344

Wed 1/1009:30LHR - YYZ

1 stop10h 04mAir Canada

Sun 5/1023:35YYZ - LHR

Nonstop7h 15mAir Canada

Deal found 17/9£342

Mon 6/1019:30LHR - YTZ

2 stops26h 15mAir Canada

Mon 13/1010:25YTZ - LHR

2 stops15h 05mAir Canada

Deal found 16/9£342

Mon 6/1008:30LHR - YYZ

Nonstop7h 55mAir Canada

Mon 13/1006:30YYZ - LHR

1 stop9h 30mAir Canada

Deal found 17/9£343

Wed 8/1009:30LHR - YYZ

1 stop11h 04mAir Canada

Mon 27/1017:00YYZ - LHR

1 stop10h 10mAir Canada

Deal found 15/9£344

Thu 9/1011:35LGW - YTZ

1 stop15h 45mAir Transat

Thu 16/1014:45YTZ - LGW

1 stop14h 05mAir Transat

Deal found 16/9£344

Fri 10/1011:35LGW - YTZ

1 stop14h 15mAir Transat

Mon 13/1017:30YTZ - LGW

1 stop11h 20mAir Transat

Deal found 17/9£345

Wed 15/1009:30LHR - YYZ

1 stop10h 04mAir Canada

Wed 22/1018:20YYZ - LHR

Nonstop7h 15mAir Canada

Deal found 16/9£345

Thu 16/1012:40LGW - YYZ

Nonstop8h 00mAir Transat

Thu 23/1022:45YYZ - LGW

Nonstop7h 00mAir Transat

Deal found 16/9£344

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

Sat 8/1120:15LGW - YUL

1 stop28h 25mMultiple Airlines

Deal found 16/9£223

Wed 26/1107:55LGW - YUL

1 stop16h 45mMultiple Airlines

Deal found 17/9£223

Mon 22/911:35LGW - YUL

Nonstop7h 40mAir Transat

Deal found 16/9£228

Tue 23/911:35LGW - YUL

Nonstop7h 40mAir Transat

Deal found 15/9£229

Thu 13/1115:15LHR - YUL

1 stop33h 25mMultiple Airlines

Deal found 15/9£231

Fri 31/1020:15LGW - YUL

1 stop28h 25mMultiple Airlines

Deal found 16/9£233

Tue 30/921:35LGW - YUL

2 stops25h 58mMultiple Airlines

Deal found 17/9£237

Sun 2/1108:30LGW - YUL

1 stop16h 10mMultiple Airlines

Deal found 17/9£237

Wed 24/912:40LGW - YUL

1 stop11h 40mAir Transat

Deal found 17/9£239

Sun 14/1208:30LGW - YUL

1 stop16h 10mMultiple Airlines

Deal found 17/9£240

Wed 8/1007:40LGW - YUL

1 stop18h 20mMultiple Airlines

Deal found 17/9£243

Tue 30/915:50LHR - YUL

3 stops37h 37mMultiple Airlines

Deal found 17/9£244

Cheapflights Fare Finder

Use the filters below to find and compare flights from the United Kingdom to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonToronto

LHR - YTZ

LHRYTZ

London Heathrow

Fri 16/1

09:00-17:55

2 stops13h 55m

Toronto Island

Mon 19/1

10:30-07:10

1 stop15h 40m

£344

LondonToronto

LHR - YTZ

LHRYTZ

London Heathrow

Tue 7/10

06:00-21:34

2 stops20h 34m

Toronto Island

Wed 22/10

12:25-06:30

1 stop13h 05m

£345

LondonToronto

LGW - YTZ

LGWYTZ

London Gatwick

Fri 10/10

11:35-18:10

1 stop11h 35m

Toronto Island

Fri 17/10

21:00-09:50

1 stop31h 50m

£347

LondonToronto

LHR - YTZ

LHRYTZ

London Heathrow

Sun 8/2

06:50-14:55

2 stops13h 05m

Toronto Island

Thu 12/2

10:25-07:10

2 stops15h 45m

£347

LondonToronto

LGW - YYZ

LGWYYZ

London Gatwick

Tue 13/1

11:40-15:00

Nonstop8h 20m

Toronto Pearson Intl

Sat 7/2

21:35-09:45

Nonstop7h 10m

£348

LondonToronto

LHR - YTZ

LHRYTZ

London Heathrow

Sat 1/11

06:50-19:55

2 stops17h 05m

Toronto Island

Tue 4/11

20:30-11:15

2 stops33h 45m

£348

LondonToronto

LHR - YTZ

LHRYTZ

London Heathrow

Wed 4/3

06:00-17:55

2 stops16h 55m

Toronto Island

Tue 10/3

12:30-09:45

2 stops17h 15m

£349

LondonToronto

STN - YYZ

STNYYZ

London Stansted

Tue 30/9

18:10-16:50

3 stops27h 40m

Toronto Pearson Intl

Wed 8/10

22:10-14:25

1 stop11h 15m

£350

LondonToronto

LGW - YYZ

LGWYYZ

London Gatwick

Thu 6/11

11:40-15:00

Nonstop8h 20m

Toronto Pearson Intl

Fri 14/11

21:35-09:45

Nonstop7h 10m

£352

LondonToronto

LGW - YYZ

LGWYYZ

London Gatwick

Fri 5/12

11:40-15:00

Nonstop8h 20m

Toronto Pearson Intl

Wed 10/12

21:35-09:45

Nonstop7h 10m

£353

Flights are sorted by cheapest return flights first.

Deals found on 17/9

Showing 1-10 of 60 results

...

Best time to book a flight from United Kingdom to Ontario

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

What is the cheapest month to book a flight from United Kingdom to Region of Ontario?

Currently, January is the cheapest month in which you can book a flight from United Kingdom to Region of Ontario (average of £490). Flying from United Kingdom to Region of Ontario in July is currently the most expensive (average of £708). 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 GB to ON?

When flying from United Kingdom 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 United Kingdom to Region of Ontario

The most flights from GB0 to CAON are scheduled on a Tuesday (39 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (30 on average).

Reviews of airlines servicing Ontario

Read reviews from past customers who have flown with Air Transat, Virgin Atlantic, andAir Canada from the United Kingdom to Ontario. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Air Transat

7.7

Good

439 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Anonymous,Sept 2025

BOD - YUL

A little more cushioning in the seats would likely lessen the physical discomfort of the trip.

Air Transat

7.7

Good

439 reviews

Air Transat

7.7

Good

439 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Anonymous,Sept 2025

BOD - YUL

A little more cushioning in the seats would likely lessen the physical discomfort of the trip.

Virgin Atlantic

7.4

Good

664 reviews

Air Transat

7.7

Good

439 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Anonymous,Sept 2025

BOD - YUL

A little more cushioning in the seats would likely lessen the physical discomfort of the trip.

Air Canada

7.1

Good

10,000 reviews

Air Transat

7.7

Good

439 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Anonymous,Sept 2025

BOD - YUL

A little more cushioning in the seats would likely lessen the physical discomfort of the trip.

Lufthansa

6.8

Okay

7,409 reviews

Air Transat

7.7

Good

439 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Anonymous,Sept 2025

BOD - YUL

A little more cushioning in the seats would likely lessen the physical discomfort of the trip.

British Airways

6.7

Okay

7,367 reviews

Air Transat

7.7

Good

439 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Anonymous,Sept 2025

BOD - YUL

A little more cushioning in the seats would likely lessen the physical discomfort of the trip.

Related info for your journey

How long is the flight from United Kingdom to Region of Ontario?
There are many flights that can get you from United Kingdom to Region of Ontario in 7h 55m. Fly via Air Canada, Air Transat, or Lufthansa to get the fastest option. United Kingdom and Region of Ontario are separated by a distance of 3543 mi. This flight may include one or multiple stops.
What are the cheapest airlines to fly from United Kingdom to Region of Ontario one-way?
For one-way options, check prices for WestJet. According to our data, you can fly for as low as £248. Users have also found prices from £267 and £268 on KLM and British Airways, respectively.
Can I find deals for flights from United Kingdom to Ontario that include hotel bookings?
Yes. In addition to deals on United Kingdom to Ontario flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from United Kingdom to Ontario?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from United Kingdom to Ontario.
Can I find deals for business class flights from United Kingdom to Ontario?
Yes. Cheapflights offers flight deals from United Kingdom 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 United Kingdom to Region of Ontario?
Currently, January is the cheapest month in which you can book a flight from United Kingdom to Region of Ontario (average of £490). Flying from United Kingdom to Region of Ontario in July is currently the most expensive (average of £708). 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

Top 10 airlines flying from United Kingdom to Ontario

Airline	Cheapest	Average	Flexibility	On-time
Air Canada	Cheapest£39	Average£537	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights
Ryanair	Cheapest£56	Average£66	FlexibilityNo cancel fee	On-timeN/A	Search Ryanair flights
Aer Lingus	Cheapest£72	Average£562	FlexibilityNo cancel fee	On-timeN/A	Search Aer Lingus flights
PLAY	Cheapest£254	Average£262	FlexibilityNo cancel fee	On-timeN/A	Search PLAY flights
WestJet	Cheapest£271	Average£458	FlexibilityNo cancel fee	On-time60%	Search WestJet flights
Icelandair	Cheapest£282	Average£421	FlexibilityNo cancel fee	On-time76%	Search Icelandair flights
Lufthansa	Cheapest£294	Average£528	FlexibilityNo cancel fee	On-time76%	Search Lufthansa flights
Scandinavian Airlines	Cheapest£294	Average£425	FlexibilityNo cancel fee	On-time77%	Search Scandinavian Airlines flights
Air Transat	Cheapest£297	Average£491	FlexibilityNo cancel fee	On-time50%	Search Air Transat flights
TAP AIR PORTUGAL	Cheapest£302	Average£548	FlexibilityNo cancel fee	On-timeN/A	Search TAP AIR PORTUGAL flights

Fly with Cheapflights

How does Cheapflights help users find flights from United Kingdom to Ontario?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from United Kingdom 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 United Kingdom to Ontario?

Cheapflights helps you find that perfect flight to Ontario from United Kingdom by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

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

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

Yes, Cheapflights offers price alerts on United Kingdom to Ontario flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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Cheap flights from the United Kingdom to Ontario from £223

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 8/11. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from United Kingdom to Ontario

Keep the following information in mind while searching for United Kingdom to Ontario flight deals. Data was last updated 18 September 2025.

Round-trip from

One-way from

Popular in

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Average price

Good round-trip deal

Good one-way deal

Find flight deals from United Kingdom to Ontario

Cheapest flights from United Kingdom to OntarioExplore the most affordable flight options available from United Kingdom to Ontario. 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 United Kingdom to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 September 2025.

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Use the filters below to find and compare flights from the United Kingdom to Ontario that are best for you.

Best time to book a flight from United Kingdom to Ontario

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

Cheapflights Insights

Everything you need to know about your flight from the United Kingdom to Ontario

What is the cheapest month to book a flight from United Kingdom to Region of Ontario?

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

Find hourly flight availability from United Kingdom 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 18 September 2025.

Weekly flight availability from United Kingdom to Region of Ontario

Reviews of airlines servicing Ontario

Read reviews from past customers who have flown with Air Transat, Virgin Atlantic, andAir Canada from the United Kingdom to Ontario. 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 United Kingdom to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

How long is the flight from United Kingdom to Region of Ontario?

What are the cheapest airlines to fly from United Kingdom to Region of Ontario one-way?

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

How can I find direct flights from United Kingdom to Ontario?

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

What is the cheapest month to book a flight from United Kingdom to Region of Ontario?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for United Kingdom to Ontario

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

Top 10 airlines flying from United Kingdom to Ontario

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Cheapest flights from United Kingdom to Ontario
Explore the most affordable flight options available from United Kingdom to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 September 2025.