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Cheap Flights from Ontario to London, GB, United Kingdom - ONT to LON

Popular flights from Ontario to London

We’ve got the inside scoop on finding the best time to fly for the best price. Not sure when to travel for your next vacation? Find details below on when-to-fly and when-to-buy.

Aer Lingus
Departure Date Return Date Lowest Price
Jul 13, 2016 Jul 25, 2016 $1,379
Air France
Departure Date Return Date Lowest Price
May 14, 2016 May 26, 2016 $1,035
Alaska Airlines
Departure Date Return Date Lowest Price
Jun 24, 2016 Jul 10, 2016 $5,891
Alitalia
Departure Date Return Date Lowest Price
Jun 8, 2016 Jun 22, 2016 $1,475
American Airlines
Departure Date Return Date Lowest Price
May 14, 2016 May 26, 2016 $969
Austrian Airlines
Departure Date Return Date Lowest Price
Jul 23, 2016 Aug 7, 2016 $1,361
Jul 23, 2016 Aug 4, 2016 $1,361
British Airways
Departure Date Return Date Lowest Price
May 14, 2016 May 26, 2016 $979
Brussels Airlines
Departure Date Return Date Lowest Price
Jul 23, 2016 Aug 4, 2016 $1,361
Finnair
Departure Date Return Date Lowest Price
May 7, 2016 May 20, 2016 $1,055
Iberia
Departure Date Return Date Lowest Price
May 7, 2016 May 20, 2016 $1,055
KLM Royal Dutch Airlines
Departure Date Return Date Lowest Price
Aug 16, 2016 Aug 21, 2016 $1,281
Lufthansa German Airlines
Departure Date Return Date Lowest Price
Jul 14, 2016 Jul 24, 2016 $1,365
Jul 14, 2016 Jul 25, 2016 $1,365
Sas Scandinavian Airlines
Departure Date Return Date Lowest Price
Jul 21, 2016 Aug 4, 2016 $1,685
United Airlines
Departure Date Return Date Lowest Price
May 14, 2016 May 26, 2016 $957
Virgin Atlantic Airways
Departure Date Return Date Lowest Price
May 14, 2016 May 26, 2016 $1,011

How Much Does it Cost to Fly from Ontario to London (ONT to LON)?

We have collected flight cost data from across the web for travel from Ontario to London, and have found the average flight price for this trip to be $1,136.

When Can I Buy the Cheapest Flight from Ontario to London (ONT to LON)?

Airlines can adjust prices for plane tickets from Ontario to London based on the day and time that you decide to book your flight. We have collected data from all airlines, and have discovered that the best days to book flights are Tuesdays, Wednesdays, and Saturdays. Read our article to find more information about the best time to buy airline tickets.

Cheapest Day To Fly from Ontario to London

The chart below shows up-to-date information regarding the cheapest days to fly from Ontario to London.

Monday Tuesday Wednesday Thursday Friday Saturday Sunday
$1,123 $1,199 $1,165 $1,170 $1,165 $957 $1,174

Lowest Fares Chart By Month from Ontario to London

The chart below shows the lowest fare by month when flying from Ontario to London.

Month Origin Destination Carrier Depart Date Return Date Stops Price
May Ontario London United 5/14/16 5/26/16 1 $957
June Ontario London British Airways 6/1/16 6/10/16 1 $1,165
July Ontario London British Airways 7/23/16 8/7/16 1 $1,165
August Ontario London British Airways 8/27/16 9/3/16 1 $1,164
September Ontario London British Airways 9/9/16 9/16/16 1 $1,165
October Ontario London British Airways 10/14/16 10/28/16 1 $1,171
November Ontario London British Airways 11/16/16 11/25/16 1 $1,165
December Ontario London British Airways 12/28/16 1/11/17 1 $1,168

Round Trip vs One Way Flights from Ontario to London (ONT to LON)

We have found that there is often no price difference between buying a round trip flight versus a one way flight. Increased flexibility is the main benefit when it comes to buying a one way flight from Ontario to London. However, booking a round trip flight can be a simpler process. You can compare round trip and one way flights by using our flight comparison.

The average price for one way flights from Ontario to London is $1,102.

The average price for round trip flights from Ontario to London is $1,609.

Ontario to London Flight Questions

Below are some common questions that asked about this flight route:

Question: What are the most popular connecting cities when flying from Ontario to London?
Answer: Dallas - Ft Worth, TX

Airlines Flying from Ontario to London (ONT to LON)

Below are the different airlines that fly from Ontario to London with the average price of their plane tickets. Just remember that different airlines offer different levels of comfort and service, so consider convenience when choosing your airline.

Below is the full flight schedule summary of the next 30 days for flights from Ontario to London.

Ontario to London
Airline Connections Mon Tue Wed Thu Fri Sat Sun
American DFW X X X X X X X
AeroMexico GDL / MEX X X X
Delta SLC X X X X X X X
Delta SLC / MSP X X X X X X X
United IAH X X X X X X X
United DEN / ORD X X X X X X X

Airports for Your Route

These pages contain information about the major airports in Ontario and London, so you can feel comfortable knowing how to get around whether you are about to take off or you just landed.

Cheap Domestic Flights to London - LON

FlightsAirlineLowest Price
Los Angeles to New York American, Alaska, JetBlue, Frontier, Spirit, Sun Country, United, Virgin America $210
Los Angeles to Chicago American, Alaska, JetBlue, Frontier, Spirit, United, Virgin America $147

Cheap International Flights to London - LON

FlightsAirlineLowest Price
Los Angeles to London American, Air Berlin, Air France, Alaska, Finnair, Alitalia, JetBlue, British Airways, Condor, Aer Lingus, Iberia, Meridiana, KLM, Lufthansa, LOT, Thomas Cook, Air New Zealand, Czech, Arkefly, Austrian, SATA, XL Airways, SAS, Brussels, Tap Portugal, United, Air Europa, Virgin Atlantic, FlexFlight, Great Lakes $920
Las Vegas to London American, Air Berlin, Air France, Alaska, Finnair, Alitalia, JetBlue, British Airways, Condor, Aer Lingus, Iberia, Meridiana, KLM, Lufthansa, LOT, Thomas Cook, Czech, Austrian, SATA, SAS, Brussels, Tap Portugal, United, Air Europa, Virgin Atlantic $1,216
San Diego to London American, Air Berlin, Air France, Alaska, Finnair, Alitalia, JetBlue, British Airways, Condor, Aer Lingus, Iberia, KLM, Lufthansa, LOT, Thomas Cook, Czech, Austrian, SATA, SAS, Brussels, Tap Portugal, United, Air Europa, Virgin Atlantic $1,105
Santa Ana to London American, Air Berlin, Air France, Alaska, Finnair, Alitalia, British Airways, Condor, Aer Lingus, Iberia, KLM, Lufthansa, LOT, Austrian, SAS, Brussels, Tap Portugal, United, Virgin Atlantic, FlexFlight $957
Tijuana to London Air France, AeroMexico, British Airways, Condor, Iberia, KLM, Lufthansa, Thomas Cook, Czech, SAS, Brussels, Tap Portugal, Air Europa, Virgin Atlantic $1,181
Burbank to London American, Air Berlin, Air France, Alaska, Finnair, Alitalia, JetBlue, British Airways, Condor, Aer Lingus, Iberia, KLM, Lufthansa, Thomas Cook, Austrian, SAS, Brussels, Tap Portugal, United, Virgin Atlantic, FlexFlight $957
Long Beach to London American, Air France, Alaska, Finnair, JetBlue, British Airways, Condor, Aer Lingus, Iberia, KLM, Lufthansa, LOT, Austrian, SAS, Brussels, Tap Portugal, United, Virgin Atlantic, FlexFlight $955
Palomar to London American, Air France, Finnair, British Airways, Iberia, KLM, Lufthansa, Austrian, Brussels, United, Virgin Atlantic Check Dates
San Luis Obispo to London American, Air Berlin, Air France, Finnair, British Airways, Iberia, KLM, Lufthansa, Austrian, Brussels, United, Virgin Atlantic $1,797
Yuma to London American, Finnair, British Airways, Iberia $1,785
Santa Barbara to London American, Air Berlin, Air France, Alaska, Finnair, British Airways, Iberia, Lufthansa, Austrian, SAS, Brussels, United, Virgin Atlantic $1,724
Bakersfield to London American, Finnair, British Airways, Iberia, Lufthansa, Austrian, Brussels, United, Virgin Atlantic Check Dates
Los Angeles to Paris American, Air Berlin, Air France, Alaska, Finnair, Alitalia, JetBlue, British Airways, Condor, OpenSkies, Aer Lingus, Iberia, Meridiana, KLM, Lufthansa, LOT, Thomas Cook, Czech, Austrian, SATA, XL Airways, SAS, Brussels, Tap Portugal, United, Air Europa, Virgin Atlantic, Virgin America, FlexFlight, Great Lakes $961
Los Angeles to Amsterdam American, Air Berlin, Air France, Alaska, Finnair, Alitalia, JetBlue, British Airways, Condor, Aer Lingus, Iberia, KLM, Lufthansa, LOT, Thomas Cook, Czech, Austrian, SATA, XL Airways, SAS, Brussels, Tap Portugal, United, Air Europa, Virgin Atlantic, Virgin America, FlexFlight $771
Los Angeles to Frankfurt American, Air Berlin, Air France, Alaska, Finnair, Alitalia, JetBlue, British Airways, Condor, Aer Lingus, Iberia, KLM, Lufthansa, LOT, Thomas Cook, Czech, Arkefly, Austrian, SAS, Brussels, Sun Country, Tap Portugal, United, Air Europa, Virgin Atlantic, Virgin America, FlexFlight $1,011
San Diego to Paris American, Air Berlin, Air France, Alaska, Finnair, Alitalia, JetBlue, British Airways, Condor, Aer Lingus, Iberia, Meridiana, KLM, Lufthansa, LOT, Thomas Cook, Austrian, SATA, SAS, Brussels, Tap Portugal, United, Air Europa, Virgin Atlantic $1,062
Los Angeles to Manchester American, Air Berlin, Air France, Alaska, Finnair, Alitalia, JetBlue, British Airways, Condor, Aer Lingus, Iberia, KLM, Lufthansa, Thomas Cook, Austrian, SATA, SAS, Brussels, Tap Portugal, United, Virgin Atlantic, Virgin America $767
Las Vegas to Paris American, Air Berlin, Air France, Alaska, Finnair, Alitalia, JetBlue, British Airways, Condor, OpenSkies, Aer Lingus, Iberia, Meridiana, KLM, Lufthansa, LOT, Thomas Cook, Czech, Austrian, SATA, SAS, Brussels, Corsair, Tap Portugal, United, Air Europa, Virgin Atlantic $1,156
Los Angeles to Dublin American, Air Berlin, Air France, Alaska, Finnair, Alitalia, JetBlue, British Airways, Condor, Aer Lingus, Iberia, KLM, Lufthansa, Thomas Cook, Austrian, SAS, Brussels, United, Virgin Atlantic, Virgin America, FlexFlight, Great Lakes $789
Los Angeles to Brussels American, Air Berlin, Air France, Alaska, Finnair, Alitalia, JetBlue, British Airways, Condor, Aer Lingus, Iberia, KLM, Lufthansa, LOT, Thomas Cook, Czech, Austrian, SATA, SAS, Brussels, Tap Portugal, United, Air Europa, Virgin Atlantic $998
Las Vegas to Manchester American, Air Berlin, Air France, Alaska, Finnair, JetBlue, British Airways, Condor, Aer Lingus, Iberia, KLM, Lufthansa, Thomas Cook, Austrian, SATA, SAS, Brussels, Tap Portugal, United, Virgin Atlantic $885
Los Angeles to Barcelona American, Air Berlin, Air France, Alaska, Finnair, Alitalia, JetBlue, British Airways, Condor, Pullmantur Air, Aer Lingus, Iberia, KLM, Lufthansa, LOT, Thomas Cook, Czech, Austrian, SATA, SAS, Brussels, Tap Portugal, United, Air Europa, Virgin Atlantic, FlexFlight, Great Lakes $957
Los Angeles to Munich American, Air Berlin, Air France, Alaska, Finnair, Alitalia, JetBlue, British Airways, Condor, Aer Lingus, Iberia, KLM, Lufthansa, LOT, Thomas Cook, Austrian, SAS, Brussels, Tap Portugal, United, Air Europa, Virgin Atlantic $926
Los Angeles to Dusseldorf American, Air Berlin, Air France, Alaska, Finnair, Alitalia, JetBlue, British Airways, Condor, Aer Lingus, Iberia, KLM, Lufthansa, LOT, Thomas Cook, Czech, Austrian, SATA, XL Airways, SAS, Brussels, Tap Portugal, United, Virgin Atlantic $855
Los Angeles to Birmingham American, Air Berlin, Air France, Alaska, Finnair, JetBlue, British Airways, Condor, Aer Lingus, Iberia, KLM, Lufthansa, Thomas Cook, Czech, Austrian, SAS, Brussels, United, Virgin Atlantic, Virgin America $1,063
Los Angeles to Tokyo American, Alaska, JetBlue, Hawaiian, JAL, Malaysia, All Nippon, Singapore, United, Virgin America, Island Air, Great Lakes $678
Los Angeles to Rome American, Air Berlin, Air France, Alaska, Finnair, Alitalia, JetBlue, British Airways, Condor, Pullmantur Air, Aer Lingus, Iberia, Meridiana, KLM, Lufthansa, Thomas Cook, Czech, Austrian, SATA, SAS, Brussels, Tap Portugal, United, Air Europa, Virgin Atlantic, Great Lakes $963
Las Vegas to Frankfurt American, Air Berlin, Air France, Alaska, Finnair, Alitalia, JetBlue, British Airways, Condor, Aer Lingus, Iberia, KLM, Lufthansa, LOT, Thomas Cook, Austrian, SAS, Brussels, Sun Country, Tap Portugal, United, Air Europa, Virgin Atlantic $892
Cheap Flights from Ontario to London, GB, United Kingdom, from $957 Round trip from ONT to LON