Which airports can I use when flying from Ontario to London Gatwick Airport?

Flights from Ontario to London Gatwick Airport usually depart from Ontario (ONT) and arrive at London Gatwick (LGW).

What cabin classes can I book on flights from Ontario to London Gatwick Airport?

Only Business Class is available on flights from Ontario to London Gatwick Airport.

What popular places can I visit in London Gatwick Airport?

Some of the most popular sights in London Gatwick Airport are Hyde Park and Buckingham Palace. These are among the most viewed places in London Gatwick Airport on KAYAK.

Do I need a passport to fly from Ontario to London Gatwick Airport?

Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

Have flight prices from Ontario to London Gatwick Airport changed much recently?

Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $879 to $6,690. That means the highest observed fare was about 8x higher than the lowest one.

How are flight prices from Ontario to London Gatwick Airport looking right now?

One-way fares from Ontario to London Gatwick Airport are currently lower than usual. Average one-way flight prices are about $386, which is 32% below the typical average for this route.

What is the time difference between Ontario and London Gatwick Airport?

London Gatwick Airport is 8 hours ahead of Ontario (British Time vs Pacific Time). Plan for the time shift when scheduling connections or first-day activities.

What car rental options are available at London Gatwick Airport (LGW)?

London Gatwick Airport (LGW) hosts 5 major car rental companies, with daily rates starting from around $7 for economy cars. Top options include: • GREEN MOTION • DRIVALIA • U-Save • Europcar • Alamo

Which airline is the cheapest to fly from Ontario to London Gatwick Airport?

American Airlines ($879) and Iberia ($941) are the cheapest airlines to fly round-trip from Ontario to London Gatwick Airport according to KAYAK data over the last 5 days.

$334 CHEAP FLIGHTS from Ontario to London Gatwick (ONT - LGW)

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Cheapest one-way

$334

Typical prices: $561-$561

Delta

Wed 1/24

ONT - LGW • 2 stops

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Flight Deals

Cheap Flights from Ontario to London (ONT-LGW)

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Recent round-trip flight deals from Ontario to London

Sun, Jan 24 - Fri, Feb 5

6:00 am - 7:30 amONT Ontario-LGW London Gatwick

17h 30m2 stops Dallas/Fort Worth Orlando

11:15 am - 1:28 pmLGW London Gatwick-ONT Ontario

34h 13m2 stops Orlando Dallas/Fort Worth

$879American Airlines

Tue, Nov 10 - Mon, Nov 16

6:00 am - 10:50 amONT Ontario-LGW London Gatwick

20h 50m2 stops Dallas/Fort Worth Madrid Barajas

7:40 pm - 9:40 amLGW London Gatwick-ONT Ontario

22h 00m2 stops Madrid Barajas Dallas/Fort Worth

$941Iberia

Tue, Nov 10 - Tue, Nov 17

6:30 am - 2:00 pmONT Ontario-LGW London Gatwick

23h 30m3 stops Denver Intl Reykjavik Keflavik Intl Dublin

7:00 am - 11:51 pmLGW London Gatwick-ONT Ontario

24h 51m3 stops Kastrup Copenhagen Reykjavik Keflavik Intl Denver Intl

$975Multiple Airlines

Tue, Nov 10 - Tue, Nov 17

6:30 am - 2:00 pmONT Ontario-LGW London Gatwick

23h 30m3 stops Denver Intl Reykjavik Keflavik Intl Dublin

7:00 am - 11:51 pmLGW London Gatwick-ONT Ontario

24h 51m3 stops Kastrup Copenhagen Reykjavik Keflavik Intl Denver Intl

$976Multiple Airlines

Wed, Nov 25 - Wed, Dec 2

12:18 pm - 3:45 pmONT Ontario-LGW London Gatwick

19h 27m2 stops Atlanta Hartsfield-Jackson Paris Charles de Gaulle

10:00 am - 10:59 pmLGW London Gatwick-ONT Ontario

20h 59m2 stops Paris Charles de Gaulle Seattle/Tacoma Intl

$977Delta

Tue, Nov 10 - Tue, Nov 17

6:30 am - 10:55 amONT Ontario-LGW London Gatwick

20h 25m2 stops Denver Intl Reykjavik Keflavik Intl

7:00 am - 11:51 pmLGW London Gatwick-ONT Ontario

24h 51m3 stops Kastrup Copenhagen Reykjavik Keflavik Intl Denver Intl

$983Multiple Airlines

Tue, Nov 10 - Wed, Nov 18

10:05 am - 10:55 amONT Ontario-LGW London Gatwick

16h 50m2 stops Denver Intl Reykjavik Keflavik Intl

11:55 am - 9:45 pmLGW London Gatwick-ONT Ontario

17h 50m2 stops Reykjavik Keflavik Intl Denver Intl

$988Multiple Airlines

Thu, Nov 5 - Sun, Nov 8

6:30 am - 10:55 amONT Ontario-LGW London Gatwick

20h 25m2 stops Denver Intl Reykjavik Keflavik Intl

9:45 pm - 7:30 pmLGW London Gatwick-ONT Ontario

29h 45m3 stops Barcelona-El Prat Lisbon Humberto Delgado San Francisco

$996Multiple Airlines

Mon, Nov 9 - Sun, Nov 15

12:18 pm - 3:45 pmONT Ontario-LGW London Gatwick

19h 27m2 stops Atlanta Hartsfield-Jackson Paris Charles de Gaulle

10:00 am - 9:57 pmLGW London Gatwick-ONT Ontario

19h 57m2 stops Paris Charles de Gaulle Atlanta Hartsfield-Jackson

$997Delta

Mon, Nov 9 - Sun, Nov 15

12:18 pm - 3:45 pmONT Ontario-LGW London Gatwick

19h 27m2 stops Atlanta Hartsfield-Jackson Paris Charles de Gaulle

10:00 am - 9:57 pmLGW London Gatwick-ONT Ontario

19h 57m2 stops Paris Charles de Gaulle Atlanta Hartsfield-Jackson

$998Delta

Recent last minute flight deals from Ontario to London

Sat, Oct 17 - Wed, Oct 28

6:15 am - 10:00 amONT Ontario-LGW London Gatwick

19h 45m2 stops Denver Intl Orlando

9:50 am - 11:51 pmLGW London Gatwick-ONT Ontario

21h 01m2 stops Orlando Denver Intl

$1,083Multiple Airlines

Sat, Oct 17 - Wed, Oct 21

6:15 am - 10:00 amONT Ontario-LGW London Gatwick

19h 45m2 stops Denver Intl Orlando

10:00 pm - 7:40 pmLGW London Gatwick-ONT Ontario

29h 40m3 stops Dublin Lisbon Humberto Delgado San Francisco

$1,275Multiple Airlines

Sat, Oct 17 - Sat, Oct 24

6:15 am - 10:00 amONT Ontario-LGW London Gatwick

19h 45m2 stops Denver Intl Orlando

2:00 pm - 10:29 amLGW London Gatwick-ONT Ontario

28h 29m2 stops Orlando Denver Intl

$1,307Multiple Airlines

Thu, Oct 15 - Wed, Oct 21

12:01 pm - 2:45 pmONT Ontario-LGW London Gatwick

18h 44m2 stops San Francisco Frankfurt am Main

7:40 pm - 7:40 pmLGW London Gatwick-ONT Ontario

32h 00m2 stops Frankfurt am Main San Francisco

$1,342Multiple Airlines

Sun, Oct 18 - Mon, Nov 2

7:07 am - 9:25 amONT Ontario-LGW London Gatwick

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

10:00 am - 10:43 pmLGW London Gatwick-ONT Ontario

20h 43m2 stops Paris Charles de Gaulle Seattle/Tacoma Intl

$1,349Air France

Sun, Oct 18 - Mon, Nov 2

7:07 am - 9:25 amONT Ontario-LGW London Gatwick

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

10:00 am - 10:43 pmLGW London Gatwick-ONT Ontario

20h 43m2 stops Paris Charles de Gaulle Seattle/Tacoma Intl

$1,350Air France

Sun, Oct 18 - Mon, Nov 2

2:13 pm - 2:40 pmONT Ontario-LGW London Gatwick

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

11:55 am - 10:40 pmLGW London Gatwick-ONT Ontario

18h 45m2 stops Reykjavik Keflavik Intl Denver Intl

$1,480Multiple Airlines

Wed, Oct 14 - Thu, Oct 29

2:13 pm - 2:40 pmONT Ontario-LGW London Gatwick

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

11:55 am - 10:20 pmLGW London Gatwick-ONT Ontario

17h 25m2 stops Reykjavik Keflavik Intl Denver Intl

$1,835Multiple Airlines

Sun, Oct 18 - Thu, Oct 29

2:13 pm - 2:40 pmONT Ontario-LGW London Gatwick

40h 27m2 stops Seattle/Tacoma Intl Reykjavik Keflavik Intl

11:55 am - 11:42 pmLGW London Gatwick-ONT Ontario

18h 47m2 stops Reykjavik Keflavik Intl Seattle/Tacoma Intl

$1,987Icelandair

Wed, Oct 14 - Thu, Oct 29

2:13 pm - 2:40 pmONT Ontario-LGW London Gatwick

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

11:55 am - 10:20 pmLGW London Gatwick-ONT Ontario

17h 25m2 stops Reykjavik Keflavik Intl Denver Intl

$2,038Multiple Airlines

Booking Insights

Price, demand and travel trends for Ontario to London Gatwick Airport flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights with more confidence.

Which airline is the cheapest to fly from Ontario to London Gatwick Airport?: American Airlines ($879) and Iberia ($941) are the cheapest airlines to fly round-trip from Ontario to London Gatwick Airport according to KAYAK data over the last 5 days.

Find deals

Cheapest flight	$334

One-way flight from Ontario to London Gatwick Airport

When to book flights from Ontario to London

Are your dates flexible? Find out the best times to travel from Ontario to London based on our flight data from the last year. Discover the cheapest month and even day to fly.

Estimated round-trip price

KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

What cabin classes can I book on flights from Ontario to London Gatwick Airport?
Only Business Class is available on flights from Ontario to London Gatwick Airport.
Do I need a passport to fly from Ontario to London Gatwick Airport?
Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.
Have flight prices from Ontario to London Gatwick Airport changed much recently?
Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $879 to $6,690. That means the highest observed fare was about 8x higher than the lowest one.
How are flight prices from Ontario to London Gatwick Airport looking right now?
One-way fares from Ontario to London Gatwick Airport are currently lower than usual. Average one-way flight prices are about $386, which is 32% below the typical average for this route.
What car rental options are available at London Gatwick Airport (LGW)?
London Gatwick Airport (LGW) hosts 5 major car rental companies, with daily rates starting from around $7 for economy cars. Top options include:

• GREEN MOTION
• DRIVALIA
• U-Save
• Europcar
• Alamo
Which airports can I use when flying from Ontario to London Gatwick Airport?
Flights from Ontario to London Gatwick Airport usually depart from Ontario (ONT) and arrive at London Gatwick (LGW).
What is the time difference between Ontario and London Gatwick Airport?
London Gatwick Airport is 8 hours ahead of Ontario (British Time vs Pacific Time). Plan for the time shift when scheduling connections or first-day activities.
What popular places can I visit in London Gatwick Airport?
Some of the most popular sights in London Gatwick Airport are Hyde Park and Buckingham Palace. These are among the most viewed places in London Gatwick Airport on KAYAK.

If you're arriving late at night and need somewhere to stay, check out these hotels close to London Gatwick Airport.

• Premier Inn London Gatwick Airport

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ONT - LGW

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Everything you should know

Cheap Flights from Ontario to London (ONT-LGW)

Recent round-trip flight deals from Ontario to London

Recent one-way flight deals from Ontario to London

Recent last minute flight deals from Ontario to London

Price, demand and travel trends for Ontario to London Gatwick Airport flights

Which airline is the cheapest to fly from Ontario to London Gatwick Airport?

Key details for Ontario to London Gatwick Airport flights

Cheapest flight

When to book flights from Ontario to London

Your Ontario to London Gatwick Airport flight questions, answered

Your guide to booking Ontario to London Gatwick Airport flights

More options for your flight from Ontario to London

Complete your trip to London with a hotel stay or car rental

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Cabin class types available on flights to London

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