ONT to LHR (Ontario to London) Flights

Last Minute Flights from ONT to LHR

Price found within the past 7 days for the specified period. Click for updated prices.

OriginDestinationTravel DatesFlights From*
ONTLondonMay 3 to May 10$878
*Prices include taxes and fees

Cheapest ONT to LHR Flights

Price found within the past 7 days for the specified period. Click for updated prices.

OriginDestinationTravel DatesFlights From*
ONTLondonSeptember 7 to September 30$617
ONTLondonSeptember 2 to October 8$638
ONTLondonSeptember 24 to October 7$638
ONTLondonSeptember 24 to October 7$643
*Prices include taxes and fees
ONT to LHR Flight Details
Origin airport
Los Angeles - Ontario Intl.
Origin airport IATA code
ONT
Destination airport
Heathrow
Destination airport IATA code
LHR
Distance
5409 mi

Frequently asked questions

What airlines fly direct from Los Angeles - Ontario Intl. Airport (ONT) to Heathrow Airport (LHR)?
There are no airlines that fly straight from Los Angeles - Ontario Intl. Airport (ONT) to Heathrow Airport (LHR). If you want to visit Hounslow, book a journey with one or more stops.
How many flights are there from ONT to LHR?
Approximately 19 flights are scheduled every day between Ontario, CA (ONT-Los Angeles - Ontario Intl.) and London (LHR-Heathrow). Fasten your safety belt because your plane to Hounslow is ready to take to the skies.
How long does it take to fly from Ontario, CA (ONT-Los Angeles - Ontario Intl.) to London (LHR-Heathrow)?
The Ontario, CA (ONT-Los Angeles - Ontario Intl.) to London (LHR-Heathrow) route takes about 13 hours and 19 minutes. Getting a good seat is a must on long flights, so look up the plane’s layout before choosing your spot.
What is the flight distance from Ontario, CA (ONT-Los Angeles - Ontario Intl.) to London (LHR-Heathrow)?
You’ll cover some 5,400 miles (8,700 1) traveling between Ontario and Hounslow. From headphones to a sleeping mask, think of things you’ll need to take on board to make your long-haul flight a comfortable one.
How many morning flights are there from ONT to LHR?
Set your alarm and get ready to take off aboard one of the 82 morning flights from ONT to LHR available each week.

  • If you’d like to fly with American Airlines (AA), it has 35 weekly flights that leave before noon. The 6:00AM flight is the first of the day.
  • Delta Air Lines (DL) is another popular option. It operates 26 morning services, with the earliest departure time being 5:45AM.
  • You’ll have approximately 21 morning flights to choose from if you fly with United Airlines (UA). 5:15AM is the earliest departure time.

How many afternoon flights are there from ONT to LHR?
If you like to sleep in, find a seat on one of the 55 afternoon and evening flights available weekly from ONT to LHR.

  • American Airlines (AA) has 25 flights each week departing after midday. The first one is scheduled for 12:50PM.
  • Delta Air Lines (DL) is a good alternative, listing 23 afternoon and evening flights a week. The earliest leaves the runway at 12:35PM.

What is the earliest departure time out of Ontario to Hounslow?
The earliest flight takes off from ONT at 5:15AM and lands at LHR at 5:20AM. Make sure you give yourself enough time in the morning to get to the check-in counter.
What is the latest departure time out of Ontario to Hounslow?
From ONT, the latest flight you can get leaves at 11:59PM and arrives at 2:05AM at LHR. If you’re not into early mornings, this flight has your name on it.
What is the average price from Ontario to Hounslow?
The average lowest price for round-trip flights from ONT to LHR is $617. Scoop up your own great deal by reserving your tickets early. This price was available on Flights.com within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

Ontario to London Flights

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We present you with some of the most affordable deals on airfare, so stop that Google flights search. We want you to spend less on your flight from Ontario to London, so you can spend more during your getaway. With Flights.com, you’ll find it simple to land airline tickets with itineraries matching your travel schedule. What’s more, we provide you with all the information you need to confidently make reservations on your family, business, or personal trip.