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Cheap flights from London Gatwick Airport to Los Angeles from $428

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London Gatwick Airport to Los Angeles departing on 9/18. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from London Gatwick Airport to Los Angeles

Cheap round-trip flights

Enter your travel dates to find the best prices.
Iberia Logo
11:30 am - 10:59 pm
LGW
-
ONT
19h 29m
2 stops
Iberia Logo
2:22 pm - 8:00 pm
ONT
-
LGW
21h 38m
2 stops
$692Iberia
Fri, Aug 21 - Fri, Sep 11
Multiple Airlines Logo
10:25 am - 4:24 pm
LGW
-
ONT
37h 59m
2 stops
Multiple Airlines Logo
6:01 pm - 4:00 pm
ONT
-
LGW
37h 59m
2 stops
$730Multiple Airlines
Mon, Aug 17 - Mon, Aug 24
Iberia Logo
11:30 am - 10:59 pm
LGW
-
ONT
19h 29m
2 stops
Iberia Logo
2:22 pm - 8:00 pm
ONT
-
LGW
21h 38m
2 stops
$731Iberia
Tue, Aug 25 - Tue, Sep 15
Delta Logo
10:25 am - 10:45 pm
LGW
-
ONT
20h 20m
2 stops
Delta Logo
6:17 am - 9:25 am
ONT
-
LGW
19h 08m
2 stops
$749Delta
Mon, Aug 24 - Sun, Sep 6
Iberia Logo
11:45 am - 10:08 am
LGW
-
ONT
30h 23m
2 stops
Iberia Logo
10:59 am - 7:00 pm
ONT
-
LGW
24h 01m
2 stops
$826Iberia
Fri, Jan 22 - Fri, Feb 12
Iberia Logo
11:30 am - 10:59 pm
LGW
-
ONT
19h 29m
2 stops
Iberia Logo
7:05 am - 8:00 pm
ONT
-
LGW
28h 55m
2 stops
$861Iberia
Tue, Aug 11 - Thu, Aug 27
Iberia Logo
11:30 am - 10:59 pm
LGW
-
ONT
19h 29m
2 stops
Iberia Logo
2:43 pm - 10:50 am
ONT
-
LGW
36h 07m
2 stops
$870Iberia
Tue, Aug 11 - Sat, Aug 29
Iberia Logo
8:40 pm - 10:59 pm
LGW
-
ONT
34h 19m
2 stops
Iberia Logo
7:05 am - 8:00 pm
ONT
-
LGW
28h 55m
2 stops
$872Iberia
Mon, Aug 10 - Thu, Aug 27
Iberia Logo
8:40 pm - 10:59 pm
LGW
-
ONT
34h 19m
2 stops
Iberia Logo
2:43 pm - 10:50 am
ONT
-
LGW
36h 07m
2 stops
$881Iberia
Mon, Aug 10 - Sat, Aug 29
Iberia Logo
8:40 pm - 10:59 pm
LGW
-
ONT
34h 19m
2 stops
Iberia Logo
7:05 am - 8:00 pm
ONT
-
LGW
28h 55m
2 stops
$935Iberia
Sat, Aug 8 - Fri, Aug 28

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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
Aug 24
LGW10:25 amLondon Gatwick
20h 20m
2 stops
ONT10:45 pmOntario
Sep 6
ONT6:17 amOntario
19h 08m
2 stops
LGW9:25 amLondon Gatwick
$749
Delta
Sep 7
LGW10:25 amLondon Gatwick
19h 27m
2 stops
ONT9:52 pmOntario
Sep 14
ONT7:05 amOntario
18h 35m
2 stops
LGW9:40 amLondon Gatwick
$1,063
Delta
Aug 20
LGW10:25 amLondon Gatwick
20h 20m
2 stops
ONT10:45 pmOntario
Sep 4
ONT6:20 amOntario
19h 05m
2 stops
LGW9:25 amLondon Gatwick
$1,066

Virgin Atlantic flights from London Gatwick Airport to Ontario

Our best Virgin Atlantic deals on London Gatwick Airport to Ontario flight tickets
Virgin Atlantic
Aug 6
LGW10:25 amLondon Gatwick
20h 20m
2 stops
ONT10:45 pmOntario
Aug 10
ONT6:20 amOntario
19h 20m
2 stops
LGW9:40 amLondon Gatwick
$1,592
Virgin Atlantic
Jul 31
LGW10:25 amLondon Gatwick
20h 27m
2 stops
ONT10:52 pmOntario
Aug 22
ONT6:00 amOntario
26h 00m
2 stops
LGW4:00 pmLondon Gatwick
$1,602

momondo Fare Finder

 
Customize your flight search to find flights from London Gatwick Airport to Ontario that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated July 28, 2026.
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 round-trip

LondonOntario

LGW - ONT

LGWONT

London Gatwick

Fri 8/21

11:30 am-10:59 pm

2 stops19h 29m

Ontario

Fri 9/11

2:22 pm-8:00 pm

2 stops21h 38m

$692

LondonOntario

LGW - ONT

LGWONT

London Gatwick

Mon 8/17

10:25 am-4:24 pm

2 stops37h 59m

Ontario

Mon 8/24

6:01 pm-4:00 pm

2 stops37h 59m

$730

LondonOntario

LGW - ONT

LGWONT

London Gatwick

Tue 8/25

11:30 am-10:59 pm

2 stops19h 29m

Ontario

Tue 9/15

2:22 pm-8:00 pm

2 stops21h 38m

$731
Quickest round-trip

LondonOntario

LGW - ONT

LGWONT

London Gatwick

Mon 8/24

10:25 am-10:45 pm

2 stops20h 20m

Ontario

Sun 9/6

6:17 am-9:25 am

2 stops19h 08m

$749

LondonOntario

LGW - ONT

LGWONT

London Gatwick

Fri 1/22

11:45 am-10:08 am

2 stops30h 23m

Ontario

Fri 2/12

10:59 am-7:00 pm

2 stops24h 01m

$826

LondonOntario

LGW - ONT

LGWONT

London Gatwick

Tue 8/11

11:30 am-10:59 pm

2 stops19h 29m

Ontario

Thu 8/27

7:05 am-8:00 pm

2 stops28h 55m

$861

LondonOntario

LGW - ONT

LGWONT

London Gatwick

Tue 8/11

11:30 am-10:59 pm

2 stops19h 29m

Ontario

Sat 8/29

2:43 pm-10:50 am

2 stops36h 07m

$870

LondonOntario

LGW - ONT

LGWONT

London Gatwick

Mon 8/10

8:40 pm-10:59 pm

2 stops34h 19m

Ontario

Thu 8/27

7:05 am-8:00 pm

2 stops28h 55m

$872

LondonOntario

LGW - ONT

LGWONT

London Gatwick

Mon 8/10

8:40 pm-10:59 pm

2 stops34h 19m

Ontario

Sat 8/29

2:43 pm-10:50 am

2 stops36h 07m

$881

LondonOntario

LGW - ONT

LGWONT

London Gatwick

Sat 8/8

8:40 pm-10:59 pm

2 stops34h 19m

Ontario

Fri 8/28

7:05 am-8:00 pm

2 stops28h 55m

$935

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Los Angeles from

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

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

British Airways and Turkish Airlines are the most popular carriers operating from London Gatwick to Ontario

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

Fastest flight time

17h 00m

Direct flights

None
The fastest flight from London Gatwick Airport to Ontario takes 17h 00m
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

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 00m.

  • 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.

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