What is the cheapest airline that flies from London Gatwick to Ontario?

British Airways, Iberia, and American Airlines are the most popular carriers operating from London Gatwick to Ontario

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 refresh daily.

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

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify 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.

$343 Cheap Flights from London Gatwick Airport to Ontario in 2025/26

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Find the cheapest flights from London Gatwick Airport to Los Angeles

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12:30 pm - 1:57 pmLGW-ONT

33h 27m2 stops

4:59 pm - 7:30 amONT-LGW

30h 31m2 stops

$616American Airlines

Find Deal

Thu, Feb 26 - Mon, Mar 2

12:30 pm - 12:03 pmLGW-ONT

31h 33m2 stops

6:11 am - 7:30 amONT-LGW

17h 19m2 stops

$664American Airlines

Find Deal

Mon, Nov 17 - Tue, Dec 2

12:30 pm - 10:09 amLGW-ONT

29h 39m2 stops

7:50 pm - 7:30 amONT-LGW

27h 40m2 stops

$665American Airlines

Find Deal

Thu, Feb 26 - Mon, Mar 2

7:40 pm - 10:29 pmLGW-ONT

34h 49m2 stops

6:10 am - 7:00 pmONT-LGW

28h 50m2 stops

$769Iberia

Find Deal

Thu, Nov 13 - Tue, Nov 25

11:45 am - 10:29 pmLGW-ONT

42h 44m2 stops

10:47 am - 7:00 pmONT-LGW

24h 13m2 stops

$780Iberia

Find Deal

Fri, Nov 14 - Tue, Nov 25

7:40 pm - 11:53 amLGW-ONT

24h 13m2 stops

7:00 am - 7:00 pmONT-LGW

28h 00m2 stops

$783Iberia

Find Deal

Wed, Nov 12 - Tue, Nov 25

11:45 am - 9:57 amLGW-ONT

54h 12m2 stops

10:47 am - 10:50 amONT-LGW

40h 03m2 stops

$793Iberia

Find Deal

Sun, Nov 23 - Mon, Dec 1

11:45 am - 10:29 pmLGW-ONT

42h 44m2 stops

7:00 am - 7:00 pmONT-LGW

28h 00m2 stops

$801Iberia

Find Deal

Thu, Nov 13 - Wed, Nov 19

11:55 am - 10:37 pmLGW-ONT

17h 42m2 stops

6:00 am - 10:55 amONT-LGW

21h 55m2 stops

$905Multiple Airlines

Find Deal

Tue, Mar 10 - Thu, Mar 19

12:30 pm - 8:58 pmLGW-ONT

40h 28m2 stops

11:59 pm - 7:30 amONT-LGW

23h 31m2 stops

$1,402American Airlines

Find Deal

Sun, Dec 21 - Fri, Jan 9

American Airlines flights from London Gatwick Airport to Ontario

Our best American Airlines deals on London Gatwick Airport to Ontario flight tickets

American Airlines

Feb 26

LGW12:30 pmLondon Gatwick

33h 27m

2 stops

ONT1:57 pmOntario

Mar 2

ONT4:59 pmOntario

30h 31m

2 stops

LGW7:30 amLondon Gatwick

$616

Find similar

American Airlines

Nov 17

LGW12:30 pmLondon Gatwick

31h 33m

2 stops

ONT12:03 pmOntario

Dec 2

ONT6:11 amOntario

17h 19m

2 stops

LGW7:30 amLondon Gatwick

$664

Find similar

American Airlines

Feb 26

LGW12:30 pmLondon Gatwick

29h 39m

2 stops

ONT10:09 amOntario

Mar 2

ONT7:50 pmOntario

27h 40m

2 stops

LGW7:30 amLondon Gatwick

$665

Find similar

Iberia flights from London Gatwick Airport to Ontario

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

Iberia

Nov 13

LGW7:40 pmLondon Gatwick

34h 49m

2 stops

ONT10:29 pmOntario

Nov 25

ONT6:10 amOntario

28h 50m

2 stops

LGW7:00 pmLondon Gatwick

$769

Find similar

Iberia

Nov 14

LGW11:45 amLondon Gatwick

42h 44m

2 stops

ONT10:29 pmOntario

Nov 25

ONT10:47 amOntario

24h 13m

2 stops

LGW7:00 pmLondon Gatwick

$780

Find similar

Iberia

Nov 12

LGW7:40 pmLondon Gatwick

24h 13m

2 stops

ONT11:53 amOntario

Nov 25

ONT7:00 amOntario

28h 00m

2 stops

LGW7:00 pmLondon Gatwick

$783

Find similar

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

LondonOntario

LGW - ONT

LGWONT

London Gatwick

Thu 2/26

12:30 pm-1:57 pm

2 stops33h 27m

Ontario

Mon 3/2

4:59 pm-7:30 am

2 stops30h 31m

$616

LondonOntario

LGW - ONT

LGWONT

London Gatwick

Mon 11/17

12:30 pm-12:03 pm

2 stops31h 33m

Ontario

Tue 12/2

6:11 am-7:30 am

2 stops17h 19m

$664

LondonOntario

LGW - ONT

LGWONT

London Gatwick

Thu 2/26

12:30 pm-10:09 am

2 stops29h 39m

Ontario

Mon 3/2

7:50 pm-7:30 am

2 stops27h 40m

$665

LondonOntario

LGW - ONT

LGWONT

London Gatwick

Thu 11/13

7:40 pm-10:29 pm

2 stops34h 49m

Ontario

Tue 11/25

6:10 am-7:00 pm

2 stops28h 50m

$769

LondonOntario

LGW - ONT

LGWONT

London Gatwick

Fri 11/14

11:45 am-10:29 pm

2 stops42h 44m

Ontario

Tue 11/25

10:47 am-7:00 pm

2 stops24h 13m

$780

LondonOntario

LGW - ONT

LGWONT

London Gatwick

Wed 11/12

7:40 pm-11:53 am

2 stops24h 13m

Ontario

Tue 11/25

7:00 am-7:00 pm

2 stops28h 00m

$783

LondonOntario

LGW - ONT

LGWONT

London Gatwick

Sun 11/23

11:45 am-9:57 am

2 stops54h 12m

Ontario

Mon 12/1

10:47 am-10:50 am

2 stops40h 03m

$793

LondonOntario

LGW - ONT

LGWONT

London Gatwick

Thu 11/13

11:45 am-10:29 pm

2 stops42h 44m

Ontario

Wed 11/19

7:00 am-7:00 pm

2 stops28h 00m

$801

LondonOntario

LGW - ONT

LGWONT

London Gatwick

Tue 3/10

11:55 am-10:37 pm

2 stops17h 42m

Ontario

Thu 3/19

6:00 am-10:55 am

2 stops21h 55m

$905

LondonOntario

LGW - ONT

LGWONT

London Gatwick

Sun 12/21

12:30 pm-8:58 pm

2 stops40h 28m

Ontario

Fri 1/9

11:59 pm-7:30 am

2 stops23h 31m

$1,402

Flights are sorted by cheapest round-trip 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

Prices

Airlines

What is the cheapest day to depart on your flight to Ontario?

The cheapest day to depart on your flight to Ontario is on a Tuesday when prices can be found for as low as $602. This is often the case because there is less demand to fly during this day of the week. When flying out on a Monday, the most expensive travel day of the week, you can expect to see flight prices from London Gatwick Airport to Ontario for around $991.

What is the cheapest time of day to depart on your flight to Ontario?

In the afternoon is the cheapest time of day to fly from London Gatwick Airport to Ontario when you can find flight prices for as low as $602. Flying to Ontario in the afternoon is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying at noon when prices are $814 on average. Flights to Ontario from London Gatwick Airport at noon are generally more expensive because this time of day is more convenient for travelers’ schedules.

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 round-trip 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

Direct flights	None

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

Search flight deals

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 42m.
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 refresh daily.
How old do you have to be to fly from London Gatwick Airport to Ontario Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify 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?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from London to Ontario for you.

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

Yes. All flights to Ontario from London on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once you have performed a search for London to Ontario flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

If you are not ready to book a flight from London to Ontario now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Ontario and let you know when they change.