When did momondo last update prices for flights from London Gatwick Airport to Ontario Airport?

Prices for flights from London Gatwick Airport to Ontario Airport were last updated today.

How old do you have to be to fly from London Gatwick Airport to Ontario Airport?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from London Gatwick Airport to Ontario Airport.

What documentation or ID do you need to fly to Ontario Airport?

The travel and health documents you'll need for your trip to Ontario Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Ontario Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

£367 Cheap Flights from London Gatwick Airport to Ontario in 2026/27

Find the cheapest flights from London Gatwick Airport to Los Angeles

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One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

10:25 - 11:16LGW London Gatwick-ONT Ontario

32h 51m2 stops Paris Charles de Gaulle Seattle/Tacoma Intl

06:00 - 15:45ONT Ontario-LGW London Gatwick

25h 45m2 stops Salt Lake City Paris Charles de Gaulle

£425Delta

Wed, 14 Oct - Sun, 6 Dec

10:25 - 11:16LGW London Gatwick-ONT Ontario

32h 51m2 stops Paris Charles de Gaulle Seattle/Tacoma Intl

06:00 - 15:45ONT Ontario-LGW London Gatwick

25h 45m2 stops Salt Lake City Paris Charles de Gaulle

£425Delta

Wed, 14 Oct - Sat, 5 Dec

10:25 - 11:16LGW London Gatwick-ONT Ontario

32h 51m2 stops Paris Charles de Gaulle Seattle/Tacoma Intl

06:00 - 15:45ONT Ontario-LGW London Gatwick

25h 45m2 stops Salt Lake City Paris Charles de Gaulle

£425Delta

Wed, 14 Oct - Mon, 7 Dec

10:25 - 11:16LGW London Gatwick-ONT Ontario

32h 51m2 stops Paris Charles de Gaulle Seattle/Tacoma Intl

06:00 - 15:45ONT Ontario-LGW London Gatwick

25h 45m2 stops Salt Lake City Paris Charles de Gaulle

£429Delta

Wed, 14 Oct - Sat, 5 Dec

10:25 - 22:43LGW London Gatwick-ONT Ontario

20h 18m2 stops Paris Charles de Gaulle Seattle/Tacoma Intl

06:00 - 15:45ONT Ontario-LGW London Gatwick

25h 45m2 stops Salt Lake City Paris Charles de Gaulle

£429Delta

Thu, 15 Oct - Sat, 5 Dec

10:25 - 22:43LGW London Gatwick-ONT Ontario

20h 18m2 stops Paris Charles de Gaulle Seattle/Tacoma Intl

06:00 - 15:45ONT Ontario-LGW London Gatwick

25h 45m2 stops Salt Lake City Paris Charles de Gaulle

£429Delta

Thu, 15 Oct - Mon, 7 Dec

10:25 - 22:43LGW London Gatwick-ONT Ontario

20h 18m2 stops Paris Charles de Gaulle Seattle/Tacoma Intl

23:08 - 09:00ONT Ontario-LGW London Gatwick

25h 52m2 stops Atlanta Hartsfield-Jackson Paris Charles de Gaulle

£429Delta

Thu, 15 Oct - Sun, 6 Dec

10:25 - 11:16LGW London Gatwick-ONT Ontario

32h 51m2 stops Paris Charles de Gaulle Seattle/Tacoma Intl

23:08 - 09:00ONT Ontario-LGW London Gatwick

25h 52m2 stops Atlanta Hartsfield-Jackson Paris Charles de Gaulle

£429Delta

Wed, 14 Oct - Sun, 6 Dec

10:25 - 11:16LGW London Gatwick-ONT Ontario

32h 51m2 stops Paris Charles de Gaulle Seattle/Tacoma Intl

06:00 - 15:45ONT Ontario-LGW London Gatwick

25h 45m2 stops Salt Lake City Paris Charles de Gaulle

£429Delta

Wed, 14 Oct - Mon, 7 Dec

10:00 - 17:12LGW London Gatwick-ONT Ontario

38h 12m2 stops Paris Charles de Gaulle Seattle/Tacoma Intl

07:00 - 15:45ONT Ontario-LGW London Gatwick

24h 45m2 stops Seattle/Tacoma Intl Paris Charles de Gaulle

£464Delta

Fri, 30 Oct - Fri, 8 Jan

Cheap last-minute flights

Enter your travel dates to find the best prices.

10:25 - 22:24LGW London Gatwick-ONT Ontario

19h 59m2 stops Paris Charles de Gaulle Atlanta Hartsfield-Jackson

07:05 - 09:25ONT Ontario-LGW London Gatwick

18h 20m2 stops Atlanta Hartsfield-Jackson Paris Charles de Gaulle

£952Air France

Mon, 21 Sep - Sun, 4 Oct

15:40 - 22:15LGW London Gatwick-ONT Ontario

38h 35m2 stops Reykjavik Keflavik Intl Denver Intl

14:13 - 14:40ONT Ontario-LGW London Gatwick

16h 27m2 stops Seattle/Tacoma Intl Reykjavik Keflavik Intl

£1,079Multiple Airlines

Thu, 24 Sep - Wed, 7 Oct

15:40 - 23:24LGW London Gatwick-ONT Ontario

39h 44m2 stops Reykjavik Keflavik Intl Seattle/Tacoma Intl

10:25 - 14:40ONT Ontario-LGW London Gatwick

20h 15m2 stops Denver Intl Reykjavik Keflavik Intl

£1,185Multiple Airlines

Thu, 24 Sep - Wed, 7 Oct

17:35 - 20:57LGW London Gatwick-ONT Ontario

59h 22m2 stops Istanbul New York John F Kennedy Intl

22:39 - 22:25ONT Ontario-LGW London Gatwick

39h 46m2 stops New York John F Kennedy Intl Istanbul

£1,285Turkish Airlines

Thu, 24 Sep - Mon, 28 Sep

10:20 - 23:24LGW London Gatwick-ONT Ontario

21h 04m2 stops Frankfurt am Main Seattle/Tacoma Intl

11:13 - 14:45ONT Ontario-LGW London Gatwick

19h 32m2 stops Seattle/Tacoma Intl Frankfurt am Main

£1,298Multiple Airlines

Thu, 24 Sep - Wed, 7 Oct

10:20 - 23:24LGW London Gatwick-ONT Ontario

21h 04m2 stops Frankfurt am Main Seattle/Tacoma Intl

11:13 - 14:45ONT Ontario-LGW London Gatwick

19h 32m2 stops Seattle/Tacoma Intl Frankfurt am Main

£1,313Multiple Airlines

Thu, 24 Sep - Wed, 7 Oct

10:50 - 20:57LGW London Gatwick-ONT Ontario

42h 07m2 stops Istanbul New York John F Kennedy Intl

23:05 - 16:35ONT Ontario-LGW London Gatwick

33h 30m2 stops New York John F Kennedy Intl Istanbul

£1,377Turkish Airlines

Thu, 24 Sep - Sat, 10 Oct

17:35 - 20:57LGW London Gatwick-ONT Ontario

35h 22m2 stops Istanbul New York John F Kennedy Intl

23:05 - 16:35ONT Ontario-LGW London Gatwick

33h 30m2 stops New York John F Kennedy Intl Istanbul

£1,380Turkish Airlines

Thu, 24 Sep - Sat, 10 Oct

10:50 - 20:57LGW London Gatwick-ONT Ontario

42h 07m2 stops Istanbul New York John F Kennedy Intl

22:39 - 09:55ONT Ontario-LGW London Gatwick

27h 16m2 stops New York John F Kennedy Intl Istanbul

£1,437Turkish Airlines

Thu, 24 Sep - Sat, 3 Oct

17:35 - 20:57LGW London Gatwick-ONT Ontario

35h 22m2 stops Istanbul New York John F Kennedy Intl

22:39 - 09:55ONT Ontario-LGW London Gatwick

27h 16m2 stops New York John F Kennedy Intl Istanbul

£1,600Turkish Airlines

Thu, 24 Sep - Sat, 26 Sep

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Delta flights from London Gatwick Airport to Ontario

Our best Delta deals on London Gatwick Airport to Ontario flight tickets

Delta

14 Oct

LGW10:25London Gatwick

32h 51m

2 stops

ONT11:16Ontario

7 Dec

ONT06:00Ontario

25h 45m

2 stops

LGW15:45London Gatwick

£425

Delta

14 Oct

LGW10:25London Gatwick

32h 51m

2 stops

ONT11:16Ontario

5 Dec

ONT06:00Ontario

25h 45m

2 stops

LGW15:45London Gatwick

£429

Delta

30 Oct

LGW10:00London Gatwick

38h 12m

2 stops

ONT17:12Ontario

12 Jan

ONT15:30Ontario

40h 15m

2 stops

LGW15:45London Gatwick

£464

Iberia flights from London Gatwick Airport to Ontario

Our best Iberia deals on London Gatwick Airport to Ontario flight tickets

Iberia

14 Oct

LGW20:40London Gatwick

30h 04m

2 stops

ONT18:44Ontario

10 Dec

ONT07:00Ontario

19h 50m

2 stops

LGW10:50London Gatwick

£498

Iberia

2 Nov

LGW11:45London Gatwick

43h 12m

2 stops

ONT22:57Ontario

9 Jan

ONT07:00Ontario

19h 50m

2 stops

LGW10:50London Gatwick

£517

Iberia

14 Oct

LGW20:40London Gatwick

35h 12m

2 stops

ONT23:52Ontario

9 Dec

ONT07:00Ontario

28h 00m

2 stops

LGW19:00London Gatwick

£519

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonOntario

LGW London Gatwick - ONT Ontario

LGWONT

London Gatwick

Wed 14/10

10:25-11:16

2 stops32h 51m

Ontario

Sun 6/12

06:00-15:45

2 stops25h 45m

£425

LondonOntario

LGW London Gatwick - ONT Ontario

LGWONT

London Gatwick

Wed 14/10

10:25-11:16

2 stops32h 51m

Ontario

Sat 5/12

06:00-15:45

2 stops25h 45m

£425

LondonOntario

LGW London Gatwick - ONT Ontario

LGWONT

London Gatwick

Wed 14/10

10:25-11:16

2 stops32h 51m

Ontario

Mon 7/12

06:00-15:45

2 stops25h 45m

£425

LondonOntario

LGW London Gatwick - ONT Ontario

LGWONT

London Gatwick

Wed 14/10

10:25-11:16

2 stops32h 51m

Ontario

Sat 5/12

06:00-15:45

2 stops25h 45m

£429

Fastest return journey

LondonOntario

LGW London Gatwick - ONT Ontario

LGWONT

London Gatwick

Thu 15/10

10:25-22:43

2 stops20h 18m

Ontario

Sat 5/12

06:00-15:45

2 stops25h 45m

£429

LondonOntario

LGW London Gatwick - ONT Ontario

LGWONT

London Gatwick

Thu 15/10

10:25-22:43

2 stops20h 18m

Ontario

Mon 7/12

06:00-15:45

2 stops25h 45m

£429

LondonOntario

LGW London Gatwick - ONT Ontario

LGWONT

London Gatwick

Thu 15/10

10:25-22:43

2 stops20h 18m

Ontario

Sun 6/12

23:08-09:00

2 stops25h 52m

£429

LondonOntario

LGW London Gatwick - ONT Ontario

LGWONT

London Gatwick

Wed 14/10

10:25-11:16

2 stops32h 51m

Ontario

Sun 6/12

23:08-09:00

2 stops25h 52m

£429

LondonOntario

LGW London Gatwick - ONT Ontario

LGWONT

London Gatwick

Wed 14/10

10:25-11:16

2 stops32h 51m

Ontario

Mon 7/12

06:00-15:45

2 stops25h 45m

£429

LondonOntario

LGW London Gatwick - ONT Ontario

LGWONT

London Gatwick

Fri 30/10

10:00-17:12

2 stops38h 12m

Ontario

Fri 8/1

07:00-15:45

2 stops24h 45m

£464

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from London Gatwick Airport to Ontario

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Which airlines fly to Ontario?

Norse Atlantic UK, SWISS and British Airways are the top three most popular airlines that fly to Ontario from London Gatwick Airport according to our data. Norse Atlantic UK is the first choice among our users, with 59% of people opting to fly with this airline when travelling to Ontario. Keep in mind that there are 4 different airlines that fly to Ontario on a routine basis, so you have a few additional options to choose from.

When to book flights from London Gatwick Airport to Ontario

Are you open to changing your travel dates? Check out the ideal times to fly from London Gatwick Airport to Ontario according to our flight data. Find out which month and days have the cheapest flights.

Estimated return price

Cheap London Gatwick Airport to Ontario (LGW to ONT) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London Gatwick Airport to Ontario

Best price found	£367
Fastest flight time	17h 25m
Direct flights	None

The best one-way flight to Ontario from London Gatwick Airport in the past 72 hours is £367. The best return flight deal from London Gatwick Airport to Ontario found on momondo in the last 72 hours is £425.

The fastest flight from London Gatwick Airport to Ontario takes 17h 25m

There are no direct flights from London Gatwick Airport to Ontario. There are no popular flight routes from London Gatwick Airport to Ontario.

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Frequently asked questions about flying from London Gatwick Airport to Ontario

How far is London Gatwick to Ontario by plane?
The straight-line distance from London Gatwick to Ontario is 5431.4 mi. By plane, this route typically takes 17h 25m.
When did momondo last update prices for flights from London Gatwick Airport to Ontario Airport?
Prices for flights from London Gatwick Airport to Ontario Airport were last updated today.
How old do you have to be to fly from London Gatwick Airport to Ontario Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from London Gatwick Airport to Ontario Airport.
What documentation or ID do you need to fly to Ontario Airport?
The travel and health documents you'll need for your trip to Ontario Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Ontario Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal from London to Ontario?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from London to Ontario . Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from London to Ontario with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for London to Ontario flights to just show those with flexible booking policies.

How can momondo help me find flights from London to Ontario?

Once all potential London to Ontario flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from London to Ontario right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of London to Ontario flights. All you need is a valid email address and we will do the rest; it is that quick and easy.