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Cheap flights to Ontario from £326

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 18/6. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
CMH — ONT
1 May — 8 May1
1 adult
Wed 1/5
Wed 8/5

Flights to Ontario in 2024

Find the latest flights to Ontario in 2024, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 925,685 searches and data was last updated on 26 April 2024.

Popular in

July

Cheapest in

February

Average price

£452

Return from

£378

One-way from

£326
High demand for flights, 19% potential price rise
Best time to find cheap flights, 3% potential price drop
Average for return flights in April 2024
From London to Los Angeles
One-way flight from London to Ontario (ONT)

Cheap flights to Ontario in April & May 2024

Discover affordable flights and deals to Ontario in April and May 2024. In the last 7 days, Cheapflights users made a total of 925,685 searches and data was last updated on 26 April 2024.
These are some of the cheapest-priced fares users can find on flights departing to Ontario in April and May 2024. Be sure to check back soon as deals update often.
Fri 3/512:20LGW - ONT
2 stops19h 37mAmerican Airlines
Sat 11/506:00ONT - LGW
2 stops18h 35mAmerican Airlines
Deal found 25/4£459
Sat 4/512:15LHR - ONT
1 stop16h 27mFinnair
Fri 10/510:34ONT - LHR
1 stop13h 31mFinnair
Deal found 25/4£475
Fri 3/516:25LHR - ONT
1 stop15h 32mBritish Airways
Sun 5/523:59ONT - LHR
1 stop22h 26mBritish Airways
Deal found 25/4£475
Fri 3/508:40LHR - ONT
2 stops22h 22mDelta
Fri 10/517:20ONT - LHR
2 stops18h 50mDelta
Deal found 26/4£476
Sat 25/510:05LHR - ONT
1 stop16h 17mBritish Airways
Thu 30/512:50ONT - LHR
1 stop15h 25mBritish Airways
Deal found 25/4£479
Thu 23/512:20LGW - ONT
2 stops19h 36mAmerican Airlines
Thu 30/507:31ONT - LGW
2 stops17h 04mAmerican Airlines
Deal found 25/4£481
Thu 2/512:00LHR - ONT
1 stop16h 14mFinnair
Sat 4/522:20ONT - LHR
1 stop25h 10mFinnair
Deal found 25/4£483
Sat 25/510:05LHR - ONT
1 stop16h 17mFinnair
Thu 30/506:00ONT - LHR
2 stops16h 20mFinnair
Deal found 25/4£485
Fri 3/512:00LHR - ONT
1 stop16h 14mAmerican Airlines
Fri 10/510:34ONT - LHR
1 stop13h 31mAmerican Airlines
Deal found 25/4£488

Ontario 2024 flight deals

Explore flight deals for Ontario in 2024, offering the best prices and options to suit your preferences. In the last 7 days, Cheapflights users made a total of 925,685 searches and data were last updated on 26 April 2024.
Check out some of the best flight deals to Ontario in 2024. If these deals don't appeal to you, be sure to come back soon for more options.
Mon 23/910:50LGW - ONT
2 stops20h 36mIberia
Thu 3/1012:45ONT - LGW
2 stops23h 15mIberia
Deal found 24/4£431
Fri 3/512:20LGW - ONT
2 stops19h 37mAmerican Airlines
Sat 11/506:00ONT - LGW
2 stops18h 35mAmerican Airlines
Deal found 25/4£459
Tue 25/611:00LHR - ONT
1 stop15h 37mFinnair
Thu 11/714:40ONT - LHR
1 stop14h 05mFinnair
Deal found 25/4£469
Mon 26/813:05LHR - ONT
1 stop18h 21mBritish Airways
Thu 12/912:45ONT - LHR
1 stop13h 55mBritish Airways
Deal found 25/4£471
Sat 4/512:15LHR - ONT
1 stop16h 27mFinnair
Fri 10/510:34ONT - LHR
1 stop13h 31mFinnair
Deal found 25/4£475
Fri 3/516:25LHR - ONT
1 stop15h 32mBritish Airways
Sun 5/523:59ONT - LHR
1 stop22h 26mBritish Airways
Deal found 25/4£475
Tue 10/915:15LHR - ONT
1 stop14h 45mBritish Airways
Thu 26/908:41ONT - LHR
1 stop13h 44mBritish Airways
Deal found 25/4£476
Mon 1/708:40LHR - ONT
1 stop18h 17mFinnair
Sun 14/722:36ONT - LHR
1 stop24h 54mFinnair
Deal found 25/4£477
Sat 25/510:05LHR - ONT
1 stop16h 17mBritish Airways
Thu 30/512:50ONT - LHR
1 stop15h 25mBritish Airways
Deal found 25/4£479

Flights to Ontario departing soon

Discover available last-minute flight options to Ontario, providing immediate availability and potentially lower prices. In the last 7 days, Cheapflights users made a total of 925,685 searches and data was last updated on 26 April 2024.
Have a look at some of the best last-minute flights available departing to Ontario. Make sure to double check the price, time, and destination to confirm all are correct.
Thu 2/512:00LHR - ONT
1 stop16h 14mFinnair
Sat 4/522:20ONT - LHR
1 stop25h 10mFinnair
Deal found 25/4£483
Fri 3/512:00LHR - ONT
1 stop16h 14mAmerican Airlines
Fri 10/510:34ONT - LHR
1 stop13h 31mAmerican Airlines
Deal found 25/4£488
Thu 2/511:00LHR - ONT
1 stop15h 49mBritish Airways
Thu 30/512:53ONT - LHR
1 stop14h 12mBritish Airways
Deal found 25/4£496
Sat 4/508:40LHR - ONT
1 stop23h 17mIberia
Sat 11/514:50ONT - LHR
1 stop13h 25mIberia
Deal found 25/4£519
Mon 6/510:05LHR - ONT
1 stop16h 17mFinnair
Thu 9/510:34ONT - LHR
1 stop13h 31mFinnair
Deal found 25/4£522
Sun 5/512:00LHR - ONT
1 stop16h 14mFinnair
Tue 7/522:29ONT - LHR
1 stop25h 01mFinnair
Deal found 25/4£550
Mon 6/509:50LHR - ONT
1 stop14h 15mMultiple Airlines
Wed 12/623:59ONT - LHR
1 stop24h 01mMultiple Airlines
Deal found 25/4£561
Sun 5/510:30LHR - ONT
1 stop15h 37mBritish Airways
Sun 12/523:59ONT - LHR
1 stop24h 06mBritish Airways
Deal found 25/4£568
Sat 4/515:55LHR - ONT
1 stop14h 44mKLM
Fri 10/513:20ONT - LHR
1 stop12h 40mKLM
Deal found 25/4£604

One-way flights to Ontario

Explore one-way flight options to Ontario for greater flexibility in your travel plans. Find up-to-date pricing and availability for one-way flights. In the last 7 days, Cheapflights users made a total of 925,685 searches and data was last updated on 26 April 2024.
Consider booking one of these one-way flights heading to Ontario. Users can also find round-trip Ontario flights by using the search form above.
Tue 18/606:45LHR - ONT
3 stops34h 19mMultiple Airlines
Deal found 25/4£326
Wed 19/621:10LHR - ONT
3 stops43h 54mMultiple Airlines
Deal found 25/4£365
Thu 20/606:50LHR - ONT
3 stops34h 14mMultiple Airlines
Deal found 25/4£374
Thu 20/608:00LGW - ONT
3 stops30h 39mMultiple Airlines
Deal found 25/4£391
Wed 19/607:50LGW - ONT
2 stops30h 49mMultiple Airlines
Deal found 25/4£431
Tue 18/607:05LGW - ONT
3 stops31h 34mMultiple Airlines
Deal found 25/4£438
Wed 19/613:45LHR - ONT
2 stops24h 54mMultiple Airlines
Deal found 25/4£442
Tue 18/612:40LGW - ONT
2 stops28h 24mMultiple Airlines
Deal found 25/4£454
Mon 6/516:25LHR - ONT
1 stop15h 31mFinnair
Deal found 25/4£459

Average price of flights to Ontario by month

Plan your trip to Ontario by taking into account the cheapest months to travel. The average price of a one-way flight to Ontario is currently £409 while a return flight costs £472. Price data was last updated on 21 April 2024.

Temperature and rainfall in Ontario by month

Plan your trip to Ontario by taking into account the average temperature and rainfall totals by month.

LAX

Temperature

14 - 23 °C

If weather is an important factor for your trip to Ontario, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 23.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 14.0 C).

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

Use this chart to determine the optimal time to book a return flight to Ontario. Price data was last updated on 28 January 2024.
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 36 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
Search Deals

When is the cheapest time to fly to Ontario?

Use this chart to determine the cheapest time to fly return to Ontario. Price data was last updated on 21 April 2024.
Morning
Midday
Afternoon
Evening
All times are departure.
Users looking for the lowest fares to Ontario should consider flying on Monday afternoons, when prices are typically cheapest. Budget-minded travellers will want to avoid Tuesday at midday, when prices are usually at their highest.
Search Deals

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ontario. Reviews last updated 26 April 2024.
Read reviews from past customers who have flown Delta, Iberia and American Airlines to Ontario. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.1
Very Good
10,975 reviews

Comfort

7.9

Overall

8.1

Crew

8.6

Boarding

8.2

Entertainment

8.0

Food

7.4

Reviews

1 / 10

It was weird that we had to check after security and go to a corral which had no bathroom or other services about an hour before boarding. Had to check out of the corral to leave and check back in.

8.1
Very Good
10,975 reviews
8.1
Very Good
10,975 reviews

Comfort

7.9

Overall

8.1

Crew

8.6

Boarding

8.2

Entertainment

8.0

Food

7.4

Reviews

1 / 10

It was weird that we had to check after security and go to a corral which had no bathroom or other services about an hour before boarding. Had to check out of the corral to leave and check back in.

7.9
Good
1,628 reviews
8.1
Very Good
10,975 reviews

Comfort

7.9

Overall

8.1

Crew

8.6

Boarding

8.2

Entertainment

8.0

Food

7.4

Reviews

1 / 10

It was weird that we had to check after security and go to a corral which had no bathroom or other services about an hour before boarding. Had to check out of the corral to leave and check back in.

7.8
Good
1,383 reviews
8.1
Very Good
10,975 reviews

Comfort

7.9

Overall

8.1

Crew

8.6

Boarding

8.2

Entertainment

8.0

Food

7.4

Reviews

1 / 10

It was weird that we had to check after security and go to a corral which had no bathroom or other services about an hour before boarding. Had to check out of the corral to leave and check back in.

7.7
Good
747 reviews
8.1
Very Good
10,975 reviews

Comfort

7.9

Overall

8.1

Crew

8.6

Boarding

8.2

Entertainment

8.0

Food

7.4

Reviews

1 / 10

It was weird that we had to check after security and go to a corral which had no bathroom or other services about an hour before boarding. Had to check out of the corral to leave and check back in.

7.6
Good
4,609 reviews
8.1
Very Good
10,975 reviews

Comfort

7.9

Overall

8.1

Crew

8.6

Boarding

8.2

Entertainment

8.0

Food

7.4

Reviews

1 / 10

It was weird that we had to check after security and go to a corral which had no bathroom or other services about an hour before boarding. Had to check out of the corral to leave and check back in.

Ontario airport overview

At just 3.7km (2.3 miles) east of downtown Ontario, Ontario International Airport  is a small but well-equipped alternative to Los Angeles Airport and John Wayne Airport for passengers flying to California.

The number of flights to Ontario International Airport has been declining steadily in recent years (there were 4.8 million passengers in 2010, but the terminals are built to handle twice that) – some say due to the lack of direct flights to major destinations, in comparison with other airports nearby. However, those who use the airport agree that it is a convenient alternative, well connected to nearby air fields and towns, easy to get in and out of, clean and with good basic facilities.

  • What does ONT mean?

    This is defined as Ontario Airport (ONT). Codes like ONT are often used to just call airports uniquely.

  • What airport do you fly into for flights to Ontario?

    If you book a flight to Ontario, you will be flying into Ontario, which is the city’s only airport. Ontario (ONT) is located 3.1 mi from the center of Ontario.

  • Can I find cheaper flights to Ontario if I am willing to have stopovers?

    Yes, flights with stopovers are often cheaper than direct flights. Keep an eye out for flight deals to Ontario on Cheapflights that require 1 or 2 stops for potential cost savings.

  • What is the best airline to fly to Ontario?

    Based on reviews from Cheapflights users, Virgin Atlantic is rated the highest out of the airlines that fly to Ontario.

  • What is the cheapest airport to fly to in Ontario?

    null is currently the cheapest airport to fly to in Ontario. One-way flights to null typically cost null, while return flights cost around null.

  • Where does the fastest flight to Ontario depart from?

    For those looking to save time traveling to Ontario, London offers the quickest one-way flight (13 hours 12 minutes).

  • Does Ontario Airport have car hire?

    Yes. Those touching down at Ontario Airport can take advantage of the car hire services offered upon their arrival.

  • Are there hotels close to Ontario Airport?

    Yes. Ontario Airport has hotels nearby for those requiring accommodations. Ontario Gateway Hotel is the closest property to Ontario Airport (0.0 mi away from Ontario Airport).

See more FAQs

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