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.

What is the cheapest month to fly to Ontario?

Currently, February is the cheapest month in which you can book a flight to Ontario . Flying to Ontario in August 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.

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.

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 27 minutes).

Does Ontario have car hire?

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

Are there hotels close to Ontario?

Yes. Ontario has hotels nearby for those requiring accommodations. Delta Hotels by Marriott Ontario Airport is the closest property to Ontario (0.0 mi away from Ontario).

£278+ Flights to Ontario, California

Flights to Ontario in 2024

Return from	£414
One-way from	£278
Popular in	August
Cheapest in	February
Average price	£459

Finnair
13/1-27/1
3 total stops
45h 57m total
London to Los Angeles

Search Deals

23/1
1 total stop
31h 32m total
London to Ontario

Search Deals

High demand for flights, 11% potential price rise

Search Deals

Best time to find cheap flights, 2% potential price drop

Search Deals

Average for return flights in November 2024

Search Deals

Find flight deals to Ontario

Cheapest flights to Ontario
Explore the most affordable flight options available to Ontario. Find the lowest fares based on data from user searches, with prices last updated on 21 November 2024.

Wed 4/1220:00LHR - ONT

2 stops34h 13mMultiple Airlines

Tue 10/1206:05ONT - LHR

1 stop19h 35mMultiple Airlines

Deal found 20/11£443

Wed 4/1206:20LHR - ONT

2 stops18h 25mDelta

Tue 10/1206:00ONT - LHR

2 stops17h 05mDelta

Deal found 20/11£447

Thu 5/1212:00LGW - ONT

1 stop15h 59mMultiple Airlines

Sun 8/1208:04ONT - LGW

1 stop18h 31mMultiple Airlines

Deal found 20/11£484

Wed 11/1208:00LHR - ONT

2 stops21h 42mUnited Airlines

Tue 24/1206:10ONT - LHR

2 stops21h 05mUnited Airlines

Deal found 20/11£511

Tue 10/1210:45LHR - ONT

1 stop13h 45mAir France

Tue 14/113:00ONT - LHR

1 stop13h 35mAir France

Deal found 19/11£517

Mon 9/1214:30LHR - ONT

1 stop16h 32mKLM

Tue 21/113:00ONT - LHR

1 stop13h 35mKLM

Deal found 20/11£518

Fri 6/1213:50LHR - ONT

1 stop16h 23mIberia

Tue 10/1210:42ONT - LHR

1 stop12h 38mIberia

Deal found 20/11£548

Wed 11/1208:20LHR - ONT

2 stops18h 07mAmerican Airlines

Mon 23/1216:25ONT - LHR

1 stop12h 55mAmerican Airlines

Deal found 20/11£552

Tue 10/1213:45LHR - ONT

1 stop18h 13mLufthansa

Wed 15/106:15ONT - LHR

1 stop17h 10mLufthansa

Deal found 19/11£568

Tue 10/1208:20LHR - ONT

1 stop21h 53mBritish Airways

Tue 17/1207:16ONT - LHR

1 stop15h 04mBritish Airways

Deal found 19/11£603

Mon 9/1214:30LHR - ONT

1 stop15h 33mFinnair

Fri 13/1210:41ONT - LHR

1 stop12h 39mFinnair

Deal found 20/11£630

Wed 4/1217:00LCY - ONT

2 stops33h 38mBritish Airways

Tue 10/1207:16ONT - LCY

2 stops19h 34mBritish Airways

Deal found 20/11£635

Best flights to Ontario
Discover carefully curated flight deals to Ontario that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 21 November 2024.

Wed 4/1220:00LHR - ONT

2 stops34h 13mMultiple Airlines

Tue 10/1206:05ONT - LHR

1 stop19h 35mMultiple Airlines

Deal found 20/11£443

Wed 4/1206:20LHR - ONT

2 stops18h 25mDelta

Tue 10/1206:00ONT - LHR

2 stops17h 05mDelta

Deal found 20/11£447

Mon 27/112:30LGW - ONT

2 stops38h 07mFinnair

Mon 3/206:00ONT - LGW

2 stops28h 50mFinnair

Deal found 20/11£473

Tue 18/310:05LHR - ONT

1 stop14h 59mLufthansa

Tue 25/313:40ONT - LHR

1 stop13h 00mLufthansa

Deal found 20/11£485

Mon 27/113:15LHR - ONT

1 stop17h 17mVirgin Atlantic

Mon 3/213:00ONT - LHR

1 stop13h 35mVirgin Atlantic

Deal found 20/11£489

Tue 14/110:45LHR - ONT

1 stop13h 43mKLM

Wed 22/113:00ONT - LHR

1 stop13h 35mKLM

Deal found 20/11£490

Mon 5/514:50LHR - ONT

1 stop13h 27mUnited Airlines

Mon 12/513:00ONT - LHR

1 stop12h 40mUnited Airlines

Deal found 20/11£500

Tue 10/1210:45LHR - ONT

1 stop13h 45mAir France

Tue 14/113:00ONT - LHR

1 stop13h 35mAir France

Deal found 19/11£517

Mon 5/510:50LGW - ONT

2 stops20h 45mIberia

Mon 12/515:00ONT - LGW

2 stops21h 00mIberia

Deal found 20/11£520

Wed 11/1208:20LHR - ONT

2 stops18h 07mAmerican Airlines

Mon 23/1216:25ONT - LHR

1 stop12h 55mAmerican Airlines

Deal found 20/11£552

Mon 27/108:20LHR - ONT

1 stop18h 17mBritish Airways

Mon 3/206:00ONT - LHR

2 stops27h 15mBritish Airways

Deal found 20/11£555

Fri 13/1213:00LHR - ONT

2 stops42h 58mAir Canada

Tue 24/1213:42ONT - LHR

2 stops32h 48mAir Canada

Deal found 20/11£637

Last-minute flights to Ontario
Discover last-minute flight deals to Ontario. Data last updated 21 November 2024 and is based on user searches.

Tue 26/1112:10LHR - ONT

2 stops36h 48mMultiple Airlines

Thu 28/1113:32ONT - LHR

2 stops20h 18mMultiple Airlines

Deal found 20/11£881

Wed 27/1106:30LHR - ONT

2 stops21h 12mDelta

Mon 2/1206:00ONT - LHR

2 stops17h 05mDelta

Deal found 20/11£592

Wed 27/1114:30LHR - ONT

1 stop15h 32mBritish Airways

Wed 4/1210:43ONT - LHR

1 stop12h 37mBritish Airways

Deal found 20/11£680

Wed 27/1107:45LCY - ONT

2 stops19h 57mDelta

Mon 2/1207:10ONT - LCY

2 stops17h 00mDelta

Deal found 20/11£871

Wed 27/1111:55LGW - ONT

2 stops20h 04mMultiple Airlines

Mon 2/1210:00ONT - LGW

2 stops16h 55mMultiple Airlines

Deal found 20/11£1,079

Thu 28/1110:45LHR - ONT

1 stop15h 21mKLM

Thu 5/1207:10ONT - LHR

1 stop15h 10mKLM

Deal found 21/11£731

Thu 28/1109:20LHR - ONT

1 stop18h 37mLufthansa

Thu 5/1206:10ONT - LHR

1 stop17h 20mLufthansa

Deal found 20/11£749

Thu 28/1110:45LHR - ONT

1 stop15h 21mAir France

Sat 30/1111:53ONT - LHR

1 stop14h 42mAir France

Deal found 20/11£2,977

Sat 30/1110:05LHR - ONT

1 stop20h 18mUnited Airlines

Sat 7/1206:00ONT - LHR

1 stop17h 25mUnited Airlines

Deal found 20/11£1,092

Sun 1/1213:50LHR - ONT

1 stop15h 15mIberia

Fri 21/210:51ONT - LHR

1 stop13h 24mIberia

Deal found 20/11£2,086

Wed 4/1220:00LHR - ONT

2 stops34h 13mMultiple Airlines

Tue 10/1206:05ONT - LHR

1 stop19h 35mMultiple Airlines

Deal found 20/11£443

Wed 4/1206:20LHR - ONT

2 stops18h 25mDelta

Tue 10/1206:00ONT - LHR

2 stops17h 05mDelta

Deal found 20/11£447

One-way flights to Ontario
Search for one-way flight options to Ontario. Find affordable one-way fares based on user searches. Data last updated 21 November 2024.

Thu 23/112:00LGW - ONT

1 stop31h 32mMultiple Airlines

Deal found 20/11£278

Thu 23/114:50LHR - ONT

2 stops24h 21mMultiple Airlines

Deal found 20/11£335

Mon 9/1208:30LCY - ONT

3 stops59h 14mMultiple Airlines

Deal found 20/11£482

Mon 9/1209:20LHR - ONT

1 stop20h 22mLufthansa

Deal found 20/11£524

Fri 29/1106:30LHR - ONT

2 stops22h 14mUnited Airlines

Deal found 19/11£531

Wed 22/113:50LHR - ONT

1 stop16h 26mFinnair

Deal found 19/11£596

Sat 14/1212:10LHR - ONT

2 stops18h 03mIberia

Deal found 20/11£692

Mon 17/221:40LHR - ONT

2 stops31h 20mAvianca

Deal found 19/11£713

Thu 1/508:25LHR - ONT

1 stop21h 57mJetBlue

Deal found 20/11£718

Sun 1/1217:15LCY - ONT

2 stops36h 47mLufthansa

Deal found 20/11£976

Sun 1/1217:50LHR - ONT

2 stops33h 52mKLM

Deal found 20/11£1,093

Wed 8/110:45LHR - ONT

1 stop21h 08mVirgin Atlantic

Deal found 19/11£1,147

Find flights to Ontario within your budget

Fly from

Route

Depart

Return

Price

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Wed 4/12

20:00-22:13

2 stops34h 13m

Ontario

Tue 10/12

06:05-09:40

1 stop19h 35m

£443

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Wed 4/12

06:20-16:45

2 stops18h 25m

Ontario

Tue 10/12

06:00-07:05

2 stops17h 05m

£447

LondonOntario

LGW - ONT

LGWONT

London Gatwick

Mon 27/1

12:30-18:37

2 stops38h 07m

Ontario

Mon 3/2

06:00-18:50

2 stops28h 50m

£473

LondonOntario

LGW - ONT

LGWONT

London Gatwick

Sun 12/1

12:00-19:56

1 stop15h 56m

Ontario

Mon 27/1

21:36-10:35

1 stop28h 59m

£476

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Tue 18/3

10:05-18:04

1 stop14h 59m

Ontario

Tue 25/3

13:40-09:40

1 stop13h 00m

£485

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Mon 27/1

13:15-22:32

1 stop17h 17m

Ontario

Mon 3/2

13:00-10:35

1 stop13h 35m

£489

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Tue 14/1

10:45-16:28

1 stop13h 43m

Ontario

Tue 21/1

13:00-10:35

1 stop13h 35m

£490

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Mon 5/5

14:50-20:17

1 stop13h 27m

Ontario

Mon 12/5

13:00-09:40

1 stop12h 40m

£500

LondonOntario

LHR - ONT

LHRONT

London Heathrow

Tue 10/12

10:45-16:30

1 stop13h 45m

Ontario

Tue 14/1

13:00-10:35

1 stop13h 35m

£517

LondonOntario

LGW - ONT

LGWONT

London Gatwick

Mon 5/5

10:50-23:35

2 stops20h 45m

Ontario

Mon 12/5

15:00-20:00

2 stops21h 00m

£520

Flights are sorted by cheapest return flights first.

Deals found on 20/11

Showing 1-10 of 39 results

Best time to book a flight to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario with our price prediction graph.

Estimated return price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Travel insights for flights to Ontario

Get recent, data-driven insights about flights to Ontario including ideal travel times, pricing trends, and more.

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 58 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

How long is the flight to Ontario?

On average, a flight from London to Ontario takes 16 hours 26 minutes. Flights to Ontario from other popular cities in United Kingdom will vary in length. Below are a few examples of popular routes and their flight times.

What are the most popular airlines that fly to Ontario?

The most popular airlines flying from London to Ontario are British Airways, Virgin Atlantic and Finnair.

British Airways

From £519

Virgin Atlantic

From £496

Finnair

From £548

Lufthansa

From £606

What are the cheapest airlines that fly to Ontario?

The cheapest airlines flying from London to Ontario are Virgin Atlantic, British Airways and Finnair.

Rainfall in Ontario by month

In terms of precipitation, rainfall in Ontario ranges from 3.0 - 86.0 inches per month. February is typically the wettest month, when rainfall can reach 86.0 mm. June is typically the driest time to visit Ontario when rainfall is around 3.0 mm.

Temperature in Ontario by month

If weather is an important factor for your trip to Ontario, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 26.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 12.0 C).

Reviews of airlines servicing Ontario

Read reviews from past customers who have flown KLM, Delta and Finnair to Ontario. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very Good

8,756 reviews

Check prices

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta

8.0

Very Good

8,756 reviews

Delta

8.0

Very Good

8,756 reviews

Check prices

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

KLM

7.8

Good

1,350 reviews

Delta

8.0

Very Good

8,756 reviews

Check prices

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Finnair

7.7

Good

1,300 reviews

Delta

8.0

Very Good

8,756 reviews

Check prices

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Virgin Atlantic

7.5

Good

663 reviews

Delta

8.0

Very Good

8,756 reviews

Check prices

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Air France

7.4

Good

1,523 reviews

Delta

8.0

Very Good

8,756 reviews

Check prices

Reviews

1 / 10

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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 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.
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 27 minutes).
Does Ontario have car hire?
Yes. Those touching down at Ontario can take advantage of the car hire services offered upon their arrival.
Are there hotels close to Ontario?
Yes. Ontario has hotels nearby for those requiring accommodations. Delta Hotels by Marriott Ontario Airport is the closest property to Ontario (0.0 mi away from Ontario).

See more FAQs

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Popular United States flight routes

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How does Cheapflights help users find flights to Ontario?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights to Ontario. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets to Ontario?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Ontario.

Can Cheapflights find flights to Ontario with no change fees?

Yes, we can. To see specific flights to Ontario with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights to Ontario become cheaper?

Yes, Cheapflights offers price alerts on Ontario flights so you can book your flight when prices are ideal. Enable price alerts by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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£278+ Cheap flights to Ontario

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 23/1. Fares are subject to change and may not be available on all flights or dates of travel.

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 953,013 searches and data was last updated on 21 November 2024.

Return from

One-way from

Popular in

Cheapest in

Average price

Find flight deals to Ontario

Cheapest flights to OntarioExplore the most affordable flight options available to Ontario. Find the lowest fares based on data from user searches, with prices last updated on 21 November 2024.

Explore the most affordable flight options available to Ontario. Find the lowest fares based on data from user searches, with prices last updated on 21 November 2024.

Find flights to Ontario within your budget

Locate flights to Ontario that fit your budget, with regularly updated fares and availability. In the last 7 days, Cheapflights users made a total of 953,013 searches and data was last updated on 21 November 2024.

Best time to book a flight to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario with our price prediction graph.

Travel insights for flights to Ontario

Get recent, data-driven insights about flights to Ontario including ideal travel times, pricing trends, and more.

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

Use this chart to determine the optimal time to book a return flight from London to Ontario. Price data was last updated on 15 November 2024.

How long is the flight to Ontario?

What are the most popular airlines that fly to Ontario?

What are the cheapest airlines that fly to Ontario?

Rainfall in Ontario by month

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

Temperature in Ontario by month

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

Reviews of airlines servicing Ontario

Read reviews from past customers who have flown KLM, Delta and Finnair to Ontario. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Ontario airport overview

What airport do you fly into for flights to Ontario?

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

What is the best airline to fly to Ontario?

Where does the fastest flight to Ontario depart from?

Does Ontario have car hire?

Are there hotels close to Ontario?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Complete your trip

Reserve a car hire and hotel room to complete your trip to Ontario.

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights to Ontario?

Why should you use Cheapflights to find cheap flight tickets to Ontario?

Can Cheapflights find flights to Ontario with no change fees?

Can Cheapflights notify me if prices for flights to Ontario become cheaper?

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Travel Smart

Cheapest flights to Ontario
Explore the most affordable flight options available to Ontario. Find the lowest fares based on data from user searches, with prices last updated on 21 November 2024.