How long is the flight from London, Ontario to Region of Ontario?

There are many flights that can get you from London, Ontario to Region of Ontario in 47m. Fly via Air Canada or WestJet to get the fastest option. London, Ontario and Region of Ontario are separated by a distance of 143 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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.

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).

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

When deciding which route to take from London, Ontario to Region of Ontario consider London - Montreal Pierre Elliott Trudeau Intl, London - Ottawa or London - Toronto Pearson Intl as they are the most popular.

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

Looking at all options, your cheapest flight can be booked for C$ 302. While the most popular route (London - Montreal Pierre Elliott Trudeau Intl) can be booked for C$ 673 on average, our data indicates C$ 760 when flying from London, Ontario to Region of Ontario.

What are the most reliable airlines from London, Ontario 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, Ontario to Region of Ontario on time: Avianca (66%), Emirates (57%), Air Canada (52%).

What airport do you fly from for flights from London to Ontario?

For a flight from London to Ontario, you will be flying from London. London (YXU) is just 8.6 km from the centre of the city.

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

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

How can I find direct flights from London to Ontario?

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

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

Yes. Cheapflights offers flight deals from London 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$ 188+ Cheap Flights from London, ON to Ontario

Cheap flight deals from London to Ontario

Enter your travel dates to find the best prices.

Cheapest

Best

Direct

Last-minute

One-way

Cheapest flights from London to Ontario
Explore the most affordable flight options available from London to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 31 August 2026.

Thu 24/96:20 p.m. -

Nonstop0h 47m

Sun 27/92:00 p.m. -

Nonstop0h 50m

Deal found 30/8C$ 364

Sun 27/95:40 a.m. -

Nonstop0h 46m

Wed 30/92:00 p.m. -

Nonstop0h 50m

Deal found 30/8C$ 367

Mon 21/95:40 a.m. -

Nonstop0h 46m

Wed 30/92:00 p.m. -

Nonstop0h 50m

Deal found 28/8C$ 389

Mon 21/96:20 p.m. -

Nonstop0h 47m

Fri 25/98:30 a.m. -

Nonstop0h 50m

Deal found 31/8C$ 400

Tue 20/106:10 a.m. -

1 stop11h 05m

Fri 23/108:15 p.m. -

1 stop9h 05m

Deal found 27/8C$ 463

Thu 17/95:40 a.m. -

Nonstop0h 46m

Sun 20/92:00 p.m. -

Nonstop0h 50m

Deal found 28/8C$ 499

Mon 19/106:10 a.m. -

1 stop9h 10m

Tue 20/108:15 p.m. -

1 stop9h 05m

Deal found 31/8C$ 526

Sun 11/106:10 a.m. -

1 stop24h 55m

Sun 18/108:00 p.m. -

1 stop9h 20m

Deal found 27/8C$ 548

Fri 25/96:10 a.m. -

1 stop11h 48m

Fri 2/108:15 p.m. -

1 stop9h 05m

Deal found 28/8C$ 549

Mon 12/106:10 a.m. -

1 stop23h 25m

Mon 19/108:15 p.m. -

1 stop9h 05m

Deal found 28/8C$ 551

Sat 26/96:20 p.m. -

Nonstop0h 47m

Sat 3/104:55 p.m. -

Nonstop0h 48m

Deal found 29/8C$ 551

Sat 17/106:10 a.m. -

1 stop9h 10m

Sun 18/107:20 a.m. -

1 stop22h 00m

Deal found 30/8C$ 555

Best flights from London to Ontario
Discover carefully curated flight deals from London to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 31 August 2026.

Thu 24/96:20 p.m. -

Nonstop0h 47m

Sun 27/92:00 p.m. -

Nonstop0h 50m

Deal found 30/8C$ 364

Sat 17/106:10 a.m. -

1 stop9h 10m

Wed 21/108:15 p.m. -

1 stop9h 05m

Deal found 28/8C$ 581

Sat 26/96:10 a.m. -

1 stop9h 10m

Sat 3/102:00 p.m. -

2 stops15h 20m

Deal found 29/8C$ 626

Mon 21/95:40 a.m. -

Nonstop0h 46m

Wed 30/92:00 p.m. -

Nonstop0h 50m

Deal found 28/8C$ 389

Sun 11/106:10 a.m. -

1 stop9h 20m

Sun 18/1012:40 p.m. -

2 stops16h 40m

Deal found 27/8C$ 614

Sun 27/96:10 a.m. -

2 stops13h 37m

Sun 4/102:00 p.m. -

1 stop15h 20m

Deal found 30/8C$ 658

Sun 11/103:30 p.m. -

Nonstop0h 45m

Sun 18/108:30 a.m. -

Nonstop0h 50m

Deal found 27/8C$ 638

Fri 16/105:55 p.m. -

1 stop13h 10m

Mon 19/108:00 p.m. -

1 stop9h 20m

Deal found 26/8C$ 641

Sun 11/106:10 a.m. -

2 stops15h 25m

Sun 18/101:55 p.m. -

1 stop15h 25m

Deal found 27/8C$ 658

Thu 24/96:10 a.m. -

2 stops12h 35m

Thu 1/107:20 p.m. -

2 stops10h 00m

Deal found 26/8C$ 642

Sat 19/96:10 a.m. -

1 stop24h 55m

Sat 26/98:30 a.m. -

2 stops20h 50m

Deal found 27/8C$ 669

Mon 28/96:20 p.m. -

Nonstop0h 47m

Thu 1/108:50 p.m. -

Nonstop0h 50m

Deal found 30/8C$ 706

Tue 13/106:10 a.m. -

2 stops13h 45m

Tue 20/1012:40 p.m. -

2 stops16h 40m

Deal found 29/8C$ 670

Wed 14/106:10 a.m. -

1 stop24h 55m

Sat 17/108:30 a.m. -

3 stops20h 50m

Deal found 27/8C$ 680

Fri 16/106:10 a.m. -

2 stops18h 27m

Mon 19/108:00 p.m. -

1 stop9h 20m

Deal found 26/8C$ 685

Mon 21/96:10 a.m. -

1 stop24h 55m

Thu 24/98:00 p.m. -

1 stop9h 20m

Deal found 29/8C$ 705

Mon 26/107:40 a.m. -

2 stops16h 50m

Tue 27/1010:35 a.m. -

3 stops20h 00m

Deal found 27/8C$ 706

Fri 2/105:55 p.m. -

1 stop13h 10m

Fri 9/108:00 p.m. -

1 stop9h 20m

Deal found 30/8C$ 740

Sat 26/96:10 a.m. -

1 stop30h 45m

Sat 3/108:00 a.m. -

2 stops21h 20m

Deal found 29/8C$ 708

Sat 24/106:10 a.m. -

2 stops12h 35m

Wed 28/104:40 p.m. -

2 stops13h 55m

Deal found 27/8C$ 742

Mon 19/106:10 a.m. -

2 stops18h 27m

Wed 21/103:10 p.m. -

2 stops14h 10m

Deal found 26/8C$ 713

Sat 24/105:40 a.m. -

1 stop5h 08m

Wed 28/105:10 p.m. -

1 stop4h 42m

Deal found 30/8C$ 1,075

Tue 1/126:40 a.m. -

1 stop32h 10m

Thu 3/124:15 p.m. -

1 stop13h 20m

Deal found 31/8C$ 769

Mon 12/103:30 p.m. -

2 stops5h 20m

Mon 19/108:15 p.m. -

1 stop9h 05m

Deal found 28/8C$ 747

Sat 26/96:10 a.m. -

3 stops25h 05m

Sat 3/108:30 a.m. -

3 stops20h 50m

Deal found 27/8C$ 779

Tue 8/96:10 a.m. -

1 stop9h 10m

Tue 15/98:15 p.m. -

1 stop9h 05m

Deal found 27/8C$ 954

Tue 15/96:10 a.m. -

1 stop13h 10m

Wed 16/92:00 p.m. -

2 stops15h 20m

Deal found 26/8C$ 870

Mon 14/96:10 a.m. -

2 stops12h 35m

Fri 18/97:20 p.m. -

2 stops10h 00m

Deal found 31/8C$ 1,007

Find flight deals from London to Ontario

Round-trip from	C$ 364
One-way from	C$ 188
Good round-trip deal	C$ 693 or less
Good one-way deal	C$ 415 or less

Air Canada
24/9-27/9
Nonstop
1h 37m total
London to Ontario

Search Deals

Air Canada
21/9
Nonstop
0h 47m total
London to Ontario

Search Deals

Price to beat on a round-trip flight from London to Ontario.

Search Deals

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

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LondonToronto

YXU London - YYZ Toronto Pearson Intl

YXUYYZ

London

Thu 24/9

6:20 p.m.-7:07 p.m.

Nonstop0h 47m

Toronto Pearson Intl

Sun 27/9

2:00 p.m.-2:50 p.m.

Nonstop0h 50m

C$ 364

LondonToronto

YXU London - YYZ Toronto Pearson Intl

YXUYYZ

London

Mon 21/9

5:40 a.m.-6:26 a.m.

Nonstop0h 46m

Toronto Pearson Intl

Wed 30/9

2:00 p.m.-2:50 p.m.

Nonstop0h 50m

C$ 389

LondonOttawa

YXU London - YOW Ottawa

YXUYOW

London

Sat 17/10

6:10 a.m.-3:20 p.m.

1 stop9h 10m

Ottawa

Wed 21/10

8:15 p.m.-5:20 a.m.

1 stop9h 05m

C$ 581

LondonToronto

YXU London - YYZ Toronto Pearson Intl

YXUYYZ

London

Sun 11/10

6:10 a.m.-3:30 p.m.

1 stop9h 20m

Toronto Pearson Intl

Sun 18/10

12:40 p.m.-5:20 a.m.

2 stops16h 40m

C$ 614

LondonOttawa

YXU London - YOW Ottawa

YXUYOW

London

Sat 26/9

6:10 a.m.-3:20 p.m.

1 stop9h 10m

Ottawa

Sat 3/10

2:00 p.m.-5:20 a.m.

2 stops15h 20m

C$ 626

Quickest round-trip

LondonToronto

YXU London - YYZ Toronto Pearson Intl

YXUYYZ

London

Sun 11/10

3:30 p.m.-4:15 p.m.

Nonstop0h 45m

Toronto Pearson Intl

Sun 18/10

8:30 a.m.-9:20 a.m.

Nonstop0h 50m

C$ 638

LondonMontreal

YXU London - YUL Montreal Pierre Elliott Trudeau Intl

YXUYUL

London

Fri 16/10

5:55 p.m.-7:05 a.m.

1 stop13h 10m

Montreal Pierre Elliott Trudeau Intl

Mon 19/10

8:00 p.m.-5:20 a.m.

1 stop9h 20m

C$ 641

LondonThunder Bay

YXU London - YQT Thunder Bay

YXUYQT

London

Thu 24/9

6:10 a.m.-6:45 p.m.

2 stops12h 35m

Thunder Bay

Thu 1/10

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

2 stops10h 00m

C$ 642

LondonOttawa

YXU London - YOW Ottawa

YXUYOW

London

Sun 27/9

6:10 a.m.-7:47 p.m.

2 stops13h 37m

Ottawa

Sun 4/10

2:00 p.m.-5:20 a.m.

1 stop15h 20m

C$ 658

LondonToronto

YXU London - YYZ Toronto Pearson Intl

YXUYYZ

London

Sun 11/10

6:10 a.m.-9:35 p.m.

2 stops15h 25m

Toronto Pearson Intl

Sun 18/10

1:55 p.m.-5:20 a.m.

1 stop15h 25m

C$ 658

Flights are sorted by cheapest round-trip flights first.

Deals found on 28/8

Showing 1-10 of 58 resultsSorted by cheapest first

...

Best time to book a flight from London to Ontario

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

YXU-YYZ

YXU-YOW

YXU-YUL

YXU-YQT

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 to Ontario

YXU-CAON

YXU-YYZ

YXU-YOW

YXU-YUL

YXU-YQT

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

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from London, Ontario to Region of Ontario as you normally would.

Weekly flight availability from London, Ontario to Region of Ontario

The most flights from YXU to CAON are scheduled on a Thursday (12 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (8 on average).

Reviews of airlines servicing Ontario

See what other customers who have flown with Air Canada from London to Ontario have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Air Canada

7.1

Good

11,559 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Sylvia,Aug 2026

YLW - YYZ

The fires impacted our trip. We sat in the plane for an hour with no air conditioning. We were a total of 5-hour delay but missed our connection. The staff tried to keep us aware of important information

Air Canada

7.1

Good

11,559 reviews

Air Canada

7.1

Good

11,559 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Sylvia,Aug 2026

YLW - YYZ

Related info for your journey

What airport do you fly from for flights from London to Ontario?
For a flight from London to Ontario, you will be flying from London. London (YXU) is just 8.6 km from the centre of the city.
How long is the flight from London, Ontario to Region of Ontario?
There are many flights that can get you from London, Ontario to Region of Ontario in 47m. Fly via Air Canada or WestJet to get the fastest option. London, Ontario and Region of Ontario are separated by a distance of 143 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.
What are the most popular routes from London, Ontario to Region of Ontario?
When deciding which route to take from London, Ontario to Region of Ontario consider London - Montreal Pierre Elliott Trudeau Intl, London - Ottawa or London - Toronto Pearson Intl as they are the most popular.
What are the most reliable airlines from London, Ontario 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, Ontario to Region of Ontario on time: Avianca (66%), Emirates (57%), Air Canada (52%).
What are the cheapest flights from London, Ontario to Region of Ontario?
Looking at all options, your cheapest flight can be booked for C$ 302. While the most popular route (London - Montreal Pierre Elliott Trudeau Intl) can be booked for C$ 673 on average, our data indicates C$ 760 when flying from London, Ontario to Region of Ontario.
Can I find deals for flights from London to Ontario that include hotel bookings?
Yes. In addition to deals on London to Ontario flights, Cheapflights offers vacation packages that include both flights and hotel.
How can I find direct flights from London to Ontario?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from London to Ontario.
Can I find deals for business class flights from London to Ontario?
Yes. Cheapflights offers flight deals from London 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Alternative routes

Complete your trip

Direct flights to Canada

Flights by cabin class

Other flight options

Popular flights

Top destinations

Alternative routes for London to Ontario

Pearson Intl to Vancouver Intl flights

Hamilton to Vancouver Intl flights

Pearson Intl to Calgary flights

Hamilton to Calgary flights

Toronto Island to Vancouver Intl flights

Pearson Intl to Abbotsford flights

Pearson Intl to Edmonton flights

Pierre Elliott Trudeau Intl to Vancouver Intl flights

Toronto Island to Calgary flights

Hamilton to Halifax flights

Pearson Intl to Pierre Elliott Trudeau Intl flights

Pierre Elliott Trudeau Intl to Calgary flights

Pearson Intl to Halifax flights

Ottawa to Vancouver Intl flights

Pierre Elliott Trudeau Intl to Pearson Intl flights

Region of Waterloo Intl to Vancouver Intl flights

Hamilton to Edmonton flights

Region of Waterloo Intl to Calgary flights

Toronto Island to Halifax flights

Toronto Island to Pierre Elliott Trudeau Intl flights

Pearson Intl to Victoria flights

Pearson Intl to Winnipeg flights

Pearson Intl to Québec City flights

Pierre Elliott Trudeau Intl to Toronto Island flights

Pearson Intl to St. John's flights

Region of Waterloo Intl to Halifax flights

Pierre Elliott Trudeau Intl to Abbotsford flights

Pearson Intl to Kelowna flights

Toronto Island to Edmonton flights

Toronto Island to Québec City flights

Pierre Elliott Trudeau Intl to Halifax flights

Ottawa to Calgary flights

Ottawa to Pearson Intl flights

Ottawa to Halifax flights

Ottawa to Edmonton flights

Pearson Intl to Ottawa flights

Pierre Elliott Trudeau Intl to Edmonton flights

Pearson Intl to Thunder Bay flights

Hamilton to Winnipeg flights

Pierre Elliott Trudeau Intl to Hamilton flights

Toronto Island to Thunder Bay flights

Region of Waterloo Intl to Abbotsford flights

Toronto Island to Moncton flights

Thunder Bay to Pearson Intl flights

Hamilton to Québec City flights

Pearson Intl to Saskatoon flights

Ottawa to Toronto Island flights

Pierre Elliott Trudeau Intl to Winnipeg flights

Ottawa to Abbotsford flights

Pearson Intl to Moncton flights

Top airline flying from London to Ontario

Airline	Cheapest	Average	Flexibility	On-time
Air Canada	CheapestC$ 547	AverageC$ 853	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights

Fly with Cheapflights

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

Cheapflights helps you search for flights from London to Ontario via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from London to Ontario for you. Better yet — we are completely free to use.

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

Need flexible booking options for your flight to Ontario from London? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

Of course! You can now track prices for flights from London to Ontario and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

Cheap flights from London, ON to Ontario from C$ 188

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 21/9. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from London to Ontario

Cheapest flights from London to OntarioExplore the most affordable flight options available from London to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 31 August 2026.

Explore the most affordable flight options available from London to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 31 August 2026.

Best flights from London to OntarioDiscover carefully curated flight deals from London to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 31 August 2026.

Discover carefully curated flight deals from London to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 31 August 2026.

Direct flights from London to OntarioExplore direct flight options from London to Ontario based on user searches, and compare prices and availability for your desired travel dates. Data last updated 31 August 2026.

Explore direct flight options from London to Ontario based on user searches, and compare prices and availability for your desired travel dates. Data last updated 31 August 2026.

Last-minute flights from London to OntarioDiscover last-minute flight deals from London to Ontario. Data last updated 31 August 2026 and is based on user searches.

Discover last-minute flight deals from London to Ontario. Data last updated 31 August 2026 and is based on user searches.

One-way flights from London to OntarioSearch for one-way flight options from London to Ontario. Find affordable one-way fares based on user searches. Data last updated 31 August 2026.

Search for one-way flight options from London to Ontario. Find affordable one-way fares based on user searches. Data last updated 31 August 2026.

Find flight deals from London to Ontario

Round-trip from

One-way from

Good round-trip deal

Good one-way deal

Cheapflights Fare Finder

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

Best time to book a flight from London to Ontario

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

Cheapflights Insights

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

Find hourly flight availability from London 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 31 August 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from London, Ontario to Region of Ontario as you normally would.

Weekly flight availability from London, Ontario to Region of Ontario

Explore weekly flight availability from London 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 31 August 2026.

The most flights from YXU to CAON are scheduled on a Thursday (12 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (8 on average).

Reviews of airlines servicing Ontario

See what other customers who have flown with Air Canada from London to Ontario have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

What airport do you fly from for flights from London to Ontario?

How long is the flight from London, Ontario to Region of Ontario?

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

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

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

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

How can I find direct flights from London to Ontario?

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

Browse thousands of different options on Cheapflights for your next trip

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

Alternative routes for London to Ontario

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

Complete your trip

Complete your trip to Ontario by adding a car rental and/or hotel reservation to your travel itinerary.

Direct flights to Canada

Book a non-stop flight to one of these other cities located in Canada.

Search flights from London to Ontario by cabin class

Find flights from London to Ontario, based on your preferred cabin class, be it economy, premium economy, business, or first class.

London and Ontario flights

Browse other London and Ontario flight options. Last updated on 31 August 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

London to Ontario flights

Consider these flights travelling from London to Ontario.

Top airline flying from London to Ontario

Fly with Cheapflights

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

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

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

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

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from London to Ontario
Explore the most affordable flight options available from London to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 31 August 2026.

Best flights from London to Ontario
Discover carefully curated flight deals from London to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 31 August 2026.

Direct flights from London to Ontario
Explore direct flight options from London to Ontario based on user searches, and compare prices and availability for your desired travel dates. Data last updated 31 August 2026.

Last-minute flights from London to Ontario
Discover last-minute flight deals from London to Ontario. Data last updated 31 August 2026 and is based on user searches.

One-way flights from London to Ontario
Search for one-way flight options from London to Ontario. Find affordable one-way fares based on user searches. Data last updated 31 August 2026.