ONT to LHR (Ontario to London) Flights

Last Minute Flights from ONT to LHR

Best airfare and ticket deals for ONT to LHR flights are based on recent deals found by Expedia.com customers within the past 7 days.

OriginDestinationTravel DatesFlights From*
ONTLondonApril 7 to April 23$673
*Prices include taxes and fees

Cheapest ONT to LHR Flights

Best airfare and ticket deals for ONT to LHR flights are based on recent deals found by Expedia.com customers within the past 7 days.

OriginDestinationTravel DatesFlights From*
ONTLondonOctober 8 to October 17$602
ONTLondonApril 24 to April 30$670
ONTLondonApril 24 to April 30$671
ONTLondonApril 16 to April 23$671
*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

Which airlines with flights from ONT to LHR allow free cancellation due to COVID-19?
Flexible airfares from ONT to LHR can be located with the help of our filter tool. Exactly what COVID-19 related changes are permitted is clarified in the ticket’s policies. Just enter your travel details, then check the “No change fee” box. You’ll find it to the left of your screen below the “Flexible change policies” heading.
What airlines fly direct from Ontario, CA Airport (ONT-Los Angeles - Ontario Intl.) to LHR?
Currently, you can’t fly straight between these airports. You’ll have to lock in a flight with one or more stops to get from ONT to LHR.
How many flights are there from ONT to LHR?
About 18 services are scheduled per day between Ontario, CA Airport (ONT-Los Angeles - Ontario Intl.) and London Airport (LHR-Heathrow). Buckle up because your plane to London is ready to take off.
How long does it take to fly from Ontario, CA Airport (ONT-Los Angeles - Ontario Intl.) to London Airport (LHR-Heathrow)?
It takes on average 13 hours and 4 minutes to fly from Ontario, CA Airport (ONT-Los Angeles - Ontario Intl.) to London Airport (LHR-Heathrow). Make use of the in-flight entertainment system, go over your itinerary or kick back and snooze the long hours away.
What is the flight distance from Ontario, CA Airport (ONT-Los Angeles - Ontario Intl.) to London Airport (LHR-Heathrow)?
From Ontario, CA Airport (ONT-Los Angeles - Ontario Intl.) to London Airport (LHR-Heathrow), you’ll be traversing a distance of 5400 miles (8700 km). Pick who you jet off with wisely. Food, entertainment and comfort are some of the things your long-haul airline should do well.
How many morning flights are there from ONT to LHR?
Early birds, you’ll be pleased to discover that there are 99 morning flights from ONT to LHR every week.
  • You can take off at 12:45AM if you book your ticket with American Airlines (AA). It offers 43 weekly flights from ONT to LHR.
  • Another popular option is United Airlines. This carrier has 23 early flights each week. 6:05AM is the earliest to leave.
  • Book a fare with Delta (DL) and you’ll have about 19 morning flights to take your pick of. The earliest departure time from ONT is 6:00AM.
How many afternoon flights are there from ONT to LHR?
Say no to the early morning check in and pick one of the 27 weekly afternoon and evening flights from ONT to LHR. Afternoon and evening services advertised by American Airlines (AA) fly out from 12:42PM. In total, this carrier has 15 weekly flights with departures after midday.
What is the earliest departure time out of Los Angeles to London?
Leave ONT at 12:45AM and touch down at LHR at 12:25AM. This departure is the earliest you’ll find on this route.
What is the latest departure time out of Los Angeles to London?
From ONT, the latest flight you can catch jets off at 11:55PM and comes in at 12:50AM at LHR. If you’re not into early starts, this is the flight to catch.
What is the average price from Los Angeles to London?
Round-trip journeys from ONT to LHR begin from around $602. Killer deals don’t stick around forever, so have your credit card handy when you find a price you love. 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

Whether it’s for an obligation or the sake of your sanity, sometimes you need to get away. Maybe you need flights from Ontario to London to attend your cousin’s wedding, to pitch a business idea to your boss, or perhaps simply to treat yourself to a mini vacation. Regardless of the reasons behind packing your bags and needing to find the cheapest flights from ONT to LHR, we’ve got you covered here at Flights.com.

We present you with some of the hottest 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.