LHR to ONT (London to Ontario) Flights

Last Minute Flights from LHR to ONT

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

OriginDestinationTravel DatesFlights From*
LHRLos AngelesMay 4 to May 12$1,100
*Prices include taxes and fees

Cheapest LHR to ONT Flights

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

OriginDestinationTravel DatesFlights From*
LHRLos AngelesSeptember 14 to September 28$555
LHRLos AngelesMay 14 to May 21$565
LHRLos AngelesJune 5 to June 14$589
LHRLos AngelesSeptember 13 to September 28$591
*Prices include taxes and fees
LHR to ONT Flight Details
Origin airport
Heathrow
Origin airport IATA code
LHR
Destination airport
Los Angeles - Ontario Intl.
Destination airport IATA code
ONT
Distance
5409 mi

Frequently asked questions

What airlines fly direct from Heathrow Airport to Ontario Airport?
To journey from Heathrow Airport to ONT, you’ll have to reserve a flight with one or more stops. Unfortunately, there are no nonstop services on this particular route.
How many flights are there from LHR to ONT?
There are about 21 flights each day from London (LHR-Heathrow) to Ontario, CA (ONT-Los Angeles - Ontario Intl.), so you have ample opportunities to get to Ontario. Just pick a date that matches your plans and secure your fare.
How long does it take to fly from London (LHR-Heathrow) to Ontario, CA (ONT-Los Angeles - Ontario Intl.)?
The London (LHR-Heathrow) to Ontario, CA (ONT-Los Angeles - Ontario Intl.) trip has an average flight time of 13 hours and 50 minutes. A well-positioned seat can help ease the stress of long flights, so study the aircraft’s layout before making your decision.
What is the flight distance from London (LHR-Heathrow) to Ontario, CA (ONT-Los Angeles - Ontario Intl.)?
About 5,400 miles (8,700 1) separates Hounslow and Ontario. You’ll be onboard for a good deal of time on this long-haul route, so carefully choose where you sit.
How many morning flights are there from LHR to ONT?
Set your alarm and get ready to take off on one of the 68 morning flights from LHR to ONT available every week.

  • If you want to fly with American Airlines (AA), it operates 28 weekly flights that leave before noon. The 8:40AM flight is the first one of the day.
  • 10:25AM is the earliest you can travel from LHR to ONT with United Airlines (UA). This airline has 14 early flights each week.
  • Fly before midday with JetBlue Airways (B6) and you’ll have 14 flights every week to select from. 7:25AM is the first flight of the day from LHR to ONT.

How many afternoon flights are there from LHR to ONT?
With 81 afternoon and evening flights from LHR to ONT a week, you can forget about dragging yourself out of bed at the crack of dawn.

  • Think about purchasing a ticket from British Airways (BA). It operates 21 flights per week that depart after midday. The earliest departs at 1:05PM.
  • If you’d prefer to lock in a seat with American Airlines (AA), you can take your pick of 21 weekly afternoon and evening flights departing from 12:00PM onward.
  • Alternatively, pack your suitcase and go with United Airlines (UA). This airline has 21 weekly flights after midday, with the earliest leaving at 12:20PM.

What is the earliest departure time out of Hounslow to Ontario?
Head out from LHR at 7:25AM and hit the tarmac at ONT at 1:09AM. This departure is the earliest you can book on this route.
What is the latest departure time out of Hounslow to Ontario?
Book a ticket for the 4:25PM flight from LHR, touching down at 1:56AM at ONT, and give yourself time to complete any last-minute vacation preparations. This is the latest flight available on this route.
What is the average price from Hounslow to Ontario?
You can find a round-trip airfare from LHR to ONT beginning from around $555. The best fares sell out early, so book as soon as you’ve confirmed your travel dates. 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.

London to Ontario Flights

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

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 London to Ontario, 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.