Cheap Flights to Ontario

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Home North America USA California Cheap flights to Ontario, California

Flights to Ontario in 2021

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
Popular inJulyHigh demand for flights, 34% potential price rise
Cheapest inNovemberBest time to find cheap flights, 6% potential price drop
Average price£394Average for round-trip flights in June 2021
Round-trip from£294From London to Ontario

Cheap flights to Ontario in June, July 2021

The best prices found for ONT flights for June, July
21 Jun - 5 Jul
£460pp
LHR
London Heathrow
KLM
   
2 STOPS
ONT
Ontario
ONT
Ontario
KLM
 
1 STOP
LHR
London Heathrow
29 Jun - 29 Jul
£460pp
LHR
London Heathrow
KLM
   
2 STOPS
ONT
Ontario
ONT
Ontario
KLM
 
1 STOP
LHR
London Heathrow
30 Jun - 15 Jul
£463pp
LHR
London Heathrow
British Airways
 
1 STOP
ONT
Ontario
ONT
Ontario
British Airways
 
1 STOP
LHR
London Heathrow

Ontario 2021 flight deals

Cheap flights to Ontario found for this year
3 Nov - 9 Nov
£352pp
LHR
London Heathrow
KLM
 
1 STOP
ONT
Ontario
ONT
Ontario
KLM
 
1 STOP
LHR
London Heathrow
27 Oct - 2 Nov
£358pp
LHR
London Heathrow
Air France
 
1 STOP
ONT
Ontario
ONT
Ontario
Air France
 
1 STOP
LHR
London Heathrow
28 Oct - 2 Nov
£382pp
LHR
London Heathrow
Air France
 
1 STOP
ONT
Ontario
ONT
Ontario
Air France
 
1 STOP
LHR
London Heathrow

Last minute flights to Ontario

Late deals on return flights to Ontario, departing today and this week
16 Jun - 23 Jun
£628pp
LHR
London Heathrow
Lufthansa
 
1 STOP
ONT
Ontario
ONT
Ontario
Lufthansa
 
1 STOP
LHR
London Heathrow
16 Jun - 23 Jun
£670pp
LHR
London Heathrow
KLM
   
2 STOPS
ONT
Ontario
ONT
Ontario
KLM
 
1 STOP
LHR
London Heathrow
16 Jun - 23 Jun
£684pp
LHR
London Heathrow
Multiple airlines
   
2 STOPS
ONT
Ontario
ONT
Ontario
Multiple Airlines
   
2 STOPS
LHR
London Heathrow

COVID Restrictions

View COVID Travel Restrictions for Ontario

Can I fly to Ontario right now?

Yes, there are currently restrictions on flights to Ontario along with the rest of United States. Before you book or search for flights, consider the following restrictions: The United States has restricted the entry of all foreign nationals who have passed through or have been in Austria, Belgium, China, Czechia, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Iran, Ireland, Italy, Latvia, Liechtenstein, Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland, or the United Kingdom (excluding overseas territories outside of Europe), in the past 14 days. Starting on May 28, foreign nationals who have passed through or have been in Brazil in the last 14 days will also be restricted from entering the United States. US citizens and permanent residents who have passed through or have been in any of the above countries in the past 14 days may still enter the United States, but must arrive at one of the following airports: Atlanta (ATL), Boston (BOS), Chicago (ORD), Dallas, (DFW), Detroit (DTW), Honolulu (HNL), Los Angeles (LAX), Miami (MIA), New York (JFK or EWR), San Francisco (SFO), Seattle (SEA), and Washington (IAD). Family members of US citizens and permanent residents, and certain other limited categories of visa holders (such as UN staff and diplomats) may also enter. Travelers who are allowed to enter the United States but have passed through or have been in any of the countries named above must quarantine for 14 days once they reach their final destination.. If you are looking to book a trip to Ontario and are outside of the restricted areas, please take the proper precautions and stay informed about travelling during COVID-19.

Hide COVID Travel Restrictions for Ontario

Cheapest prices for Ontario flights by month

The cheapest ticket to Ontario found for each month in 2021 based on historical flight searches by Cheapflights users.
January
£282
February
£281
March
£281
April
£331
May
£332
June
£417
July
£498
August
£367
September
£326
October
£315
November
£290
December
£319
Currently, March is the cheapest month in which you can book a flight to Ontario. Flying to Ontario in July will prove the most costly. There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

When is the best time to fly to Ontario?

Average Los Angeles flight ticket prices and weather conditions for 2021 and 2022 by month.
LON - LAX
Price
£280 - £644
LAX
Temperature
20 - 32 °C
LAX
Rainfall
0 - 123 mm
Whilst there are several times of the year to choose from, February is seen as the time to fly to Ontario, however, it is possible to get good deals throughout the year. If you are looking for warm weather when you arrive off of your flight to Ontario then August is statistically the hottest. February is historically the period with most rainfall.

When is the best time to book a flight to Ontario?

The price you pay for your flight to Ontario may vary depending on when you book. For the best chance of a lower fare, look to book 61 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

Which day is cheapest to fly to Ontario?

Wednesday is currently, on average, the cheapest day to fly to Ontario. Flying on Saturday will result in higher flight prices.

What time of day is cheapest to fly to Ontario?

At the moment, flights in the morning are likely to offer the best value for money for your Ontario trip. A flight at midday will more often than not be of higher cost.

Alternative, similarly priced destinations

See alternative destinations where airfare is generally forecast to be close to Ontario flight prices.

Cheapest flights to USA

Not set on Ontario? See the cheapest flights to United Kingdom. Airfare prices updated on June 10, 2021.
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