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Cheap flights from Ontario to London Gatwick Airport from £246

ONT — LGW
1 Dec — 8 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ontario to Gatwick

Enter your travel dates to find the best prices.

Cheapest flights from Ontario to Gatwick

Sat 21/1111:40 -
2 stops34h 10m
Wed 25/1109:50 -
2 stops32h 55m
Deal found 30/10£624
Wed 18/1111:52 -
2 stops34h 58m
Wed 25/1109:50 -
2 stops32h 55m
Deal found 28/10£666
Sat 14/1117:07 -
2 stops28h 43m
Sun 22/1109:40 -
2 stops28h 40m
Deal found 29/10£687
Mon 23/1106:45 -
3 stops23h 25m
Tue 8/1207:00 -
3 stops23h 17m
Deal found 31/10£733
Tue 3/1107:07 -
2 stops17h 53m
Fri 13/1110:00 -
2 stops19h 57m
Deal found 28/10£753
Mon 14/1211:30 -
2 stops34h 20m
Wed 23/1209:45 -
2 stops22h 28m
Deal found 27/10£760
Sat 7/1111:52 -
2 stops33h 58m
Wed 11/1109:50 -
2 stops22h 01m
Deal found 29/10£782
Wed 11/1107:05 -
2 stops17h 55m
Mon 16/1110:00 -
2 stops21h 00m
Deal found 31/10£786
Mon 9/1112:18 -
2 stops19h 27m
Sun 15/1110:00 -
2 stops21h 00m
Deal found 30/10£789

Find flight deals from Ontario to Gatwick

Round-trip from

£624

One-way from

£246

Popular in

December

Cheapest in

February

Average price

£646
21/11-25/11
  • 21/11-25/11
  • 4 total stops
  • 67h 05m total
  • Ontario to London
Search Deals
Virgin Atlantic
  • Virgin Atlantic
  • 3/2-31/12
  • 2 total stops
  • 24h 45m total
  • Ontario to London
Search Deals
Highest demand for flights based on searches. 2% potential increase in price (£13 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£14 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2026
Search Deals

Cheapflights Fare Finder

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

Fly from

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Route

Depart

Return

Price

Cheapest return flight

OntarioLondon

ONT Ontario - LGW London Gatwick

ONTLGW

Ontario

Tue 24/11

06:45-10:55

2 stops20h 10m

London Gatwick

Wed 31/12

00:00-15:00

Nonstop0h 00m

£315

OntarioLondon

ONT Ontario - LGW London Gatwick

ONTLGW

Ontario

Fri 25/12

06:30-10:35

3 stops20h 05m

London Gatwick

Wed 31/12

00:00-15:00

Nonstop0h 00m

£489

OntarioLondon

ONT Ontario - LGW London Gatwick

ONTLGW

Ontario

Sat 21/11

23:59-10:50

2 stops26h 51m

London Gatwick

Wed 31/12

00:00-15:00

Nonstop0h 00m

£495

OntarioLondon

ONT Ontario - LGW London Gatwick

ONTLGW

Ontario

Mon 9/11

12:01-15:45

2 stops19h 44m

London Gatwick

Wed 31/12

00:00-15:00

Nonstop0h 00m

£506

OntarioLondon

ONT Ontario - LGW London Gatwick

ONTLGW

Ontario

Fri 6/11

14:45-22:35

2 stops23h 50m

London Gatwick

Wed 31/12

00:00-15:00

Nonstop0h 00m

£557

OntarioLondon

ONT Ontario - LGW London Gatwick

ONTLGW

Ontario

Thu 1/4

12:10-14:40

2 stops18h 30m

London Gatwick

Wed 31/12

00:00-15:00

Nonstop0h 00m

£574
Fastest return journey

OntarioLondon

ONT Ontario - LGW London Gatwick

ONTLGW

Ontario

Sat 14/11

11:20-10:55

2 stops15h 35m

London Gatwick

Wed 31/12

00:00-15:00

Nonstop0h 00m

£574

OntarioLondon

ONT Ontario - LGW London Gatwick

ONTLGW

Ontario

Thu 19/11

10:05-10:55

2 stops16h 50m

London Gatwick

Wed 31/12

00:00-15:00

Nonstop0h 00m

£627

OntarioLondon

ONT Ontario - LGW London Gatwick

ONTLGW

Ontario

Sun 29/11

07:00-19:00

2 stops28h 00m

London Gatwick

Wed 31/12

00:00-15:00

Nonstop0h 00m

£727

OntarioLondon

ONT Ontario - LGW London Gatwick

ONTLGW

Ontario

Mon 23/11

06:00-19:00

2 stops29h 00m

London Gatwick

Wed 31/12

00:00-15:00

Nonstop0h 00m

£727

Flights are sorted by cheapest return flights first.

Deals found on 27/10

Showing 1-10 of 23 resultsSorted by cheapest first
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Best time to book a flight from Ontario to Gatwick

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

Related info for your journey

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

    Most people fly from Ontario (ONT) if they book a flight from Ontario to London Gatwick. On average, Ontario has 0 outbound flights to London Gatwick per day from 0 airlines. Ontario is conveniently located just 3.1 mi from Ontario’s city center.

  • How long is the flight from Ontario to London Gatwick Airport?

    Delta and British Airways can get you from Ontario to London Gatwick Airport in just under 19h 27m. Your travel time can differ by up to 8h 33m. There are 5430 mi between Ontario and London Gatwick Airport. Both multi-stop and direct flights can be found to your destination and back.

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

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

  • How can I find direct flights from Ontario to Gatwick?

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

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

    Yes. Cheapflights offers flight deals from Ontario to Gatwick 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

Travelling to a place near London Gatwick Airport?

Book flights to London Gatwick Airport if you plan to visit one of these locations
Hounslow
Luton
Milton Keynes
Slough
Wembley
Gatwick
Ilford
Hayes
Croydon
Barnet
Eastbourne
Brentford
Southend-on-Sea
Southall
Enfield
Watford
Kingston upon Thames
Dagenham
Dover
Folkestone

Browse thousands of different options on Cheapflights for your next trip

Fly with Cheapflights

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

Cheapflights makes it easy to find Ontario to Gatwick flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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

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 Ontario to Gatwick.

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

Certainly. Search results for flights to Gatwick from Ontario shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

Yes, Cheapflights offers price alerts on Ontario to Gatwick 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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