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Book Cheap Flights from Ontario, CA to London from £319

Last minute flights from Ontario, CA to London

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Prices shown below were available within the past 3 days for the period specified and should not be considered the final price offered. Please note that availability and prices are subject to change.
Ontario, CA London
BEST
DEAL
Tue, 09 Jul ONT - LHR
Wed, 10 Jul LHR - ONT
£776 £752
Prime price per passenger
Ontario, CA London
BEST
DEAL
Tue, 30 Jul ONT - LHR
£326 £319
Prime price per passenger

Flight route information

Distance: 5421 miles
Ontario, CA airports
Los Angeles Intl Airport (LAX) How far from city centre: 44 miles
Ontario International (ONT) How far from city centre: 2 miles
London airports
Heathrow (LHR) How far from city centre: 14 miles
Stansted (STN) How far from city centre: 30 miles
Gatwick (LGW) How far from city centre: 25 miles
Luton International (LTN) How far from city centre: 27 miles
London City (LCY) How far from city centre: 7 miles
Southend (SEN) How far from city centre: 35 miles

Search for flights from Ontario, CA to London

Tips for booking cheap flights from Ontario, CA to London

Now you are a little bit closer to your destination. If you are looking for cheap flights from Ontario, CA to London, here you will find all the information you need to book your tickets.


Would you like to travel from Ontario, CA to London and you are looking for cheap flights? Luck is on your side! At Opodo, you'll find the best travel deals. Take advantage of this opportunity and get your ticket from Ontario, CA to London at the best price!

1. What can I do to save money when booking flights from Ontario, CA to London?

To save money when booking flights from Ontario, CA to London, you can follow these tips:

By following these strategies, you can efficiently save money when booking flights from Ontario, CA to London, ensuring a more economical and enjoyable journey.

2. Can the price of my tickets from Ontario, CA to London change during the booking process?

Prices for tickets from Ontario, CA to London may fluctuate while you are in the process of booking. While this isn't a common occurrence, it can happen because Opodo operates as an online travel agency, and ticket prices and availability are ultimately determined by the airlines. Therefore, if the airline adjusts prices or if the available tickets are depleted while you are making your reservation, you will receive confirmation within 48 hours after your ticket purchase.

3. Can I book last-minute flights from Ontario, CA to London on Opodo?

When booking a flight, you may encounter situations where your desired travel date is unavailable or the flight price has increased beyond your budget. Rest assured, Opodo offers a solution. Explore our last-minute flight deals to find affordable options, especially if you have flexibility with your travel dates. Whether you need to depart on short notice or simply want to discover the cheapest day to fly between Ontario, CA and London, our last-minute flights section has you covered.

4. How to make my reservation through the Opodo search engine?

Opodo provides you with all the useful information about the flights covering the route between Ontario, CA to London airports. Preparing for your trip is very easy! All you have to do is enter into Opodo search engine your departure and destination airports, the dates of travel, and the number of passengers. A list of all available flights will appear on your screen in a matter of seconds! For your convenience, you can sort it according to your preferences, such as time, price, or duration of the trip.


Ready to start your journey from Ontario, CA to London? Visit Opodo now to discover the best travel deals, set price alerts, and book your flight ticket at the best price. Your adventure begins here. Book with Opodo and make your travel dreams a reality!

Frequently asked questions about flights from Ontario, CA to London

How long does the flight take to go from Ontario, CA to London?
The total flight time between Ontario, CA and London is of around null hours on average, considering an average distance of null km, for both direct and indirect flights for the route (which may have 1 or more stops in other cities in between).
How can I find cheap flights from Ontario, CA to London at Opodo?
The cheapest price for a flight from Ontario, CA to London is 319£. At Opodo we use different machine learned based methodologies to find our costumers the best option available, considering airline combinations, stopovers and direct flights as well as different criteria for inbound and outbound journeys.
When is the best time to book a flight from Ontario, CA to London?
The most popular months to book a trip from Ontario, CA to London are September, August and July, based on the searches of our customers.
When is the best time to travel from Ontario, CA to London?
The best time of the year to go to London when flying from Ontario, CA depends on several preference factors like climate, seasonality and, of course, price. When it comes to popularity, September is the top 1º month to fly to London from Ontario, CA in terms of searches from our customer, followed by December and June. If you prefer to avoid high peaks of turism, however, and escape a crowded period, March, April and January are the months with less volume of searchs for the route Ontario, CA - London.
How is the weather in London compared to Ontario, CA?
While in Ontario, CA the temperatures can reach an average of 36.7 ºC in summer, with precipitation levels up to 1.4 mm ,London's temperatures can go up to 29.01 ºC during the hot season, with 9.0 mm average of rain rate . In winter, however, weather indicators show around -3.09 ºC in London, compared to the -0.46 ºC average degrees reported in Ontario, CA. During the winter period, Ontario, CA can register 3.0 mm precipitation, while London have an average of 6.0 mm rain level.
Airlines with indirect flights from Ontario, CA to London are:
Virgin Atlantic, stopping in Salt Lake City, UT for 146 minutes minimum.
  • United Airlines, with 68 minutes scale in San Francisco.
  • Finnair, with 88 minutes scale in Dallas.
Cheapest flight £319 Cheapest price for a flight between Ontario, CA and London found by our customers in the last 72 hours
High season September According to search data from our customers, September is the busiest time to fly from Ontario, CA to London
Airlines flying this route American Airlines, Klm Royal Dutch Airlines, Finnair Airline(s) with flights between Ontario, CA to London
Best time to book September According to real data September is the most popular time to book a flight to London when departing from Ontario, CA

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