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Cheap Flights from Ontario to London, GB, United Kingdom - ONT to LON Last modified: Jun 1, 2016 1:36 AM

Popular flights from Ontario to London Last modified: Jun 1, 2016 1:36 AM

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
Aug 10, 2016 Aug 18, 2016 $1,235
Air France
Departure Date Return Date Lowest Price
Sep 13, 2016 Sep 27, 2016 $803
Sep 28, 2016 Oct 12, 2016 $803
Alaska Airlines
Departure Date Return Date Lowest Price
Jun 13, 2016 Jun 20, 2016 $1,287
American Airlines
Departure Date Return Date Lowest Price
Sep 24, 2016 Oct 4, 2016 $769
Austrian Airlines
Departure Date Return Date Lowest Price
Aug 25, 2016 Sep 12, 2016 $856
Aug 25, 2016 Sep 13, 2016 $856
Aug 25, 2016 Sep 1, 2016 $856
Sep 8, 2016 Sep 19, 2016 $856
British Airways
Departure Date Return Date Lowest Price
Sep 1, 2016 Sep 12, 2016 $778
Brussels Airlines
Departure Date Return Date Lowest Price
Aug 25, 2016 Sep 1, 2016 $856
Aug 25, 2016 Sep 12, 2016 $856
Aug 25, 2016 Sep 13, 2016 $856
Sep 8, 2016 Sep 19, 2016 $856
Sep 8, 2016 Sep 19, 2016 $856
Finnair
Departure Date Return Date Lowest Price
Sep 5, 2016 Sep 19, 2016 $803
Sep 13, 2016 Sep 27, 2016 $803
Sep 13, 2016 Sep 27, 2016 $803
Sep 28, 2016 Oct 12, 2016 $803
Sep 28, 2016 Oct 12, 2016 $803
Iberia
Departure Date Return Date Lowest Price
Aug 29, 2016 Sep 12, 2016 $803
Sep 5, 2016 Sep 19, 2016 $803
Sep 13, 2016 Sep 27, 2016 $803
Sep 13, 2016 Sep 27, 2016 $803
Sep 28, 2016 Oct 12, 2016 $803
KLM Royal Dutch Airlines
Departure Date Return Date Lowest Price
Sep 13, 2016 Sep 27, 2016 $863
Lufthansa German Airlines
Departure Date Return Date Lowest Price
Sep 8, 2016 Sep 19, 2016 $856
Sep 8, 2016 Sep 19, 2016 $856
Sas Scandinavian Airlines
Departure Date Return Date Lowest Price
Jul 8, 2016 Jul 18, 2016 $1,422
United Airlines
Departure Date Return Date Lowest Price
Sep 5, 2016 Sep 19, 2016 $803
Sep 13, 2016 Sep 27, 2016 $803
Sep 28, 2016 Oct 12, 2016 $803
Virgin Atlantic Airways
Departure Date Return Date Lowest Price
Aug 29, 2016 Sep 12, 2016 $804

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 $943.

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.

How far in advance should you book flights from Ontario to London

The chart below shows up-to-date information regarding how far in advance a flight from Ontario to London should be booked.

Non Stop versus 1-Stop
Advanced PurchaseNon StopOne Stop
< 7 days $3,248 $1,539
7-14 days $0 $1,353
14-21 days $1,768 $1,353
21-30 days $1,673 $1,311
30-60 days $1,306 $1,092
60-90 days $856 $787
90+ days $788 $778

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
$803 $804 $1,090 $787 $902 $1,107 $1,103

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
June Ontario London Alaska 6/13/16 6/20/16 2 $1,287
July Ontario London United 7/11/16 7/26/16 1 $1,092
August Ontario London British Airways 8/25/16 9/12/16 1 $787
September Ontario London American 9/24/16 10/4/16 2 $769
October Ontario London British Airways 10/8/16 10/18/16 1 $794
November Ontario London British Airways 11/3/16 11/17/16 1 $803
December Ontario London Virgin Atlantic 12/14/16 1/2/17 1 $980
January Ontario London United 1/20/17 1/23/17 1 $1,013

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 $1,649.

The average price for round trip flights from Ontario to London is $1,170.

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) Number of flights searched: 326Last modified: Jun 1, 2016 1:36 AM

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 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 $321
Los Angeles to Chicago American, Alaska, JetBlue, Frontier, Spirit, United, Virgin America $179

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, Austrian, SATA, SAS, Brussels, Jetairfly, Tap Portugal, United, Air Europa, Virgin Atlantic, FlexFlight, City Jet, Great Lakes $708
Las Vegas 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 $736
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 $764
Santa Ana to London American, Air Berlin, Air France, Alaska, Finnair, Alitalia, British Airways, Condor, Aer Lingus, Iberia, KLM, Lufthansa, Austrian, SAS, Brussels, Tap Portugal, United, Air Europa, Virgin Atlantic $765
Tijuana to London Air France, AeroMexico, Alitalia, British Airways, Condor, Pullmantur Air, Iberia, KLM, Lufthansa, Thomas Cook, Czech, SAS, Brussels, Jetairfly, Tap Portugal, Air Europa, Virgin Atlantic $1,105
Burbank to London American, Air Berlin, Air France, Alaska, Finnair, Alitalia, JetBlue, British Airways, Condor, Aer Lingus, Iberia, KLM, Lufthansa, Austrian, SAS, Brussels, Tap Portugal, United, Virgin Atlantic, FlexFlight $765
Long Beach to London American, Air France, Alaska, Finnair, Alitalia, JetBlue, British Airways, Condor, Aer Lingus, Iberia, KLM, Lufthansa, LOT, Austrian, SAS, Brussels, Tap Portugal, United, Virgin Atlantic $765
Palomar to London British Airways, Aer Lingus Check Dates
San Luis Obispo to London American, Air Berlin, Finnair, British Airways, Iberia, Lufthansa, Czech, Brussels, United, Virgin Atlantic $803
Yuma to London American, Alaska, Finnair, British Airways, Iberia, Lufthansa, United Check Dates
Santa Barbara to London American, Air Berlin, Air France, Alaska, Finnair, British Airways, Aer Lingus, Iberia, Lufthansa, Czech, SAS, Brussels, United, Virgin Atlantic $765
Bakersfield to London American, Finnair, British Airways, Iberia, Lufthansa, Austrian, Brussels, United $853
Los Angeles to Paris American, Air Berlin, Air France, Alaska, Finnair, Alitalia, JetBlue, British Airways, Blue Panorama, Condor, OpenSkies, Aer Lingus, Iberia, Meridiana, KLM, Lufthansa, LOT, Thomas Cook, Czech, Austrian, SATA, XL Airways, SAS, Brussels, Jetairfly, Tap Portugal, United, Air Europa, Virgin Atlantic, Virgin America, FlexFlight $614
Los Angeles to Amsterdam American, Air Berlin, Air France, Alaska, Finnair, Alitalia, JetBlue, British Airways, Condor, Aer Lingus, Iberia, Meridiana, KLM, Lufthansa, LOT, Thomas Cook, Czech, Austrian, SAS, Brussels, Tap Portugal, United, Air Europa, Virgin Atlantic, Virgin America, FlexFlight $699
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, Austrian, SAS, Brussels, Sun Country, Tap Portugal, United, Air Europa, Virgin Atlantic, Virgin America, FlexFlight $772
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 $729
Los Angeles to Manchester American, Air Berlin, Air France, Finnair, Alitalia, JetBlue, British Airways, Condor, Aer Lingus, Iberia, KLM, Lufthansa, Thomas Cook, Austrian, SAS, Brussels, Tap Portugal, United, Virgin Atlantic, Virgin America $731
Las Vegas to Paris American, Air Berlin, Air France, 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, Virgin America $729
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, Jetairfly, United, Virgin Atlantic, FlexFlight $684
Los Angeles to Brussels 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, Jetairfly, Tap Portugal, United, Air Europa, Virgin Atlantic $709
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 $725
Los Angeles to Barcelona American, Air Berlin, Air France, Alaska, Finnair, Alitalia, JetBlue, British Airways, Condor, Pullmantur Air, Aer Lingus, Iberia, Meridiana, KLM, Lufthansa, LOT, Thomas Cook, Czech, Austrian, SATA, SAS, Brussels, Jetairfly, Tap Portugal, United, Air Europa, Virgin Atlantic, FlexFlight $684
Los Angeles to Munich American, Air Berlin, Air France, Alaska, Finnair, Alitalia, JetBlue, British Airways, Condor, Aer Lingus, Iberia, KLM, Lufthansa, LOT, Thomas Cook, Czech, Austrian, XL Airways, SAS, Brussels, Tap Portugal, United, Air Europa, Virgin Atlantic $756
Los Angeles to Dusseldorf American, Air Berlin, Air France, Alaska, Finnair, Alitalia, JetBlue, British Airways, Condor, Aer Lingus, Bulgaria Air, Iberia, KLM, Lufthansa, LOT, Thomas Cook, Czech, Austrian, XL Airways, SAS, Brussels, Tap Portugal, United, Virgin Atlantic $766
Los Angeles to Birmingham American, Air Berlin, Air France, Alaska, Finnair, Alitalia, JetBlue, British Airways, Condor, Aer Lingus, Iberia, KLM, Lufthansa, Thomas Cook, Czech, Austrian, SAS, Brussels, United, Virgin Atlantic $818
Los Angeles to Tokyo American, Alaska, JetBlue, Hawaiian, JAL, Malaysia, All Nippon, Singapore, United, Virgin America, Island Air $591
Los Angeles to Rome American, Air Berlin, Air France, Alaska, Finnair, Alitalia, JetBlue, British Airways, Blue Panorama, Condor, Pullmantur Air, Aer Lingus, Iberia, Meridiana, KLM, Lufthansa, Thomas Cook, Czech, Austrian, SATA, SAS, Brussels, Jetairfly, Tap Portugal, United, Air Europa, Virgin Atlantic $706
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 $766
Cheap Flights from Ontario to London, GB, United Kingdom, from $769 Round trip from ONT to LON