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$898+ 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 24/12. Fares are subject to change and may not be available on all flights or dates of travel.
— ONT
12 Sep — 19 Sep1
1 adult
1 adult, Economy, 0 bags

Flights to Ontario in 2026

Enter your travel dates to find the best prices.

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 13 August 2026.

Thu 22/1014:50 -
1 stop15h 33m
Mon 26/1009:25 -
2 stops36h 20m
Deal found 12/8$1,771
Tue 3/1115:50 -
1 stop20h 43m
Wed 11/1113:35 -
1 stop19h 10m
Deal found 9/8$1,775
Sun 1/1119:55 -
1 stop37h 34m
Mon 2/1116:17 -
2 stops28h 08m
Deal found 11/8$1,792
Sun 1/1115:50 -
1 stop25h 25m
Wed 11/1116:17 -
1 stop16h 28m
Deal found 9/8$1,805
Wed 7/1007:00 -
2 stops33h 31m
Thu 29/1016:17 -
2 stops29h 28m
Deal found 12/8$1,809
Wed 18/1109:25 -
2 stops31h 50m
Fri 27/1106:00 -
2 stops38h 00m
Deal found 9/8$1,814
Sat 5/913:50 -
1 stop17h 22m
Thu 24/913:52 -
2 stops39h 43m
Deal found 12/8$1,831
Sun 1/1109:25 -
2 stops24h 04m
Sat 7/1109:25 -
2 stops42h 25m
Deal found 10/8$1,833

Find flight deals to Ontario

Find the latest flights to Ontario in 2026, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 134,765 searches and data was last updated on 13 August 2026.

Return from

$1,187

One-way from

$900

Popular in

June

Cheapest in

March

Average price

$1,475
Qantas Airways
  • Qantas Airways
  • 7/9-22/9
  • 2 total stops
  • 43h 05m total
  • Auckland to Los Angeles
Search Deals
United Airlines
  • United Airlines
  • 2/11
  • 1 total stop
  • 20h 43m total
  • Auckland to Ontario
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($137 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($27 potential savings vs. average return price).
Search Deals
Average for return flights in August 2026
Search Deals

Cheapflights Fare Finder

 
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 134,765 searches and data was last updated on 13 August 2026.
Use the filters below to find and compare flights to Ontario that are best for you.

Fly from

Route

Departure

Return

Price

Cheapest return flight

AucklandOntario

AKL Auckland Intl - ONT Ontario

AKLONT

Auckland Intl

Thu 22/10

14:50-10:23

1 stop15h 33m

Ontario

Mon 26/10

09:25-17:45

2 stops36h 20m

$1,771

AucklandOntario

AKL Auckland Intl - ONT Ontario

AKLONT

Auckland Intl

Thu 27/8

13:50-20:01

1 stop25h 11m

Ontario

Thu 3/9

13:56-00:35

2 stops39h 39m

$2,339

AucklandOntario

AKL Auckland Intl - ONT Ontario

AKLONT

Auckland Intl

Mon 5/10

19:50-15:22

1 stop15h 32m

Ontario

Wed 21/10

16:03-06:00

1 stop17h 57m

$2,540

AucklandOntario

AKL Auckland Intl - ONT Ontario

AKLONT

Auckland Intl

Wed 9/9

19:50-18:16

1 stop17h 26m

Ontario

Sun 20/9

09:01-16:55

2 stops36h 54m

$2,552

AucklandOntario

AKL Auckland Intl - ONT Ontario

AKLONT

Auckland Intl

Wed 9/9

19:50-12:12

1 stop35h 22m

Ontario

Wed 16/9

13:56-15:05

2 stops30h 09m

$2,552

AucklandOntario

AKL Auckland Intl - ONT Ontario

AKLONT

Auckland Intl

Tue 1/9

19:50-18:11

1 stop17h 21m

Ontario

Tue 8/9

13:56-07:10

1 stop22h 14m

$2,593

AucklandOntario

AKL Auckland Intl - ONT Ontario

AKLONT

Auckland Intl

Sun 6/9

19:50-18:11

1 stop17h 21m

Ontario

Sat 12/9

08:00-00:35

2 stops45h 35m

$2,648
Fastest return journey

AucklandOntario

AKL Auckland Intl - ONT Ontario

AKLONT

Auckland Intl

Sun 6/9

19:50-18:11

1 stop17h 21m

Ontario

Sun 13/9

19:13-06:00

1 stop15h 47m

$2,675

AucklandOntario

AKL Auckland Intl - ONT Ontario

AKLONT

Auckland Intl

Sun 30/8

08:55-20:01

2 stops54h 06m

Ontario

Sun 6/9

13:56-06:00

1 stop21h 04m

$2,683

AucklandOntario

AKL Auckland Intl - ONT Ontario

AKLONT

Auckland Intl

Fri 4/9

19:50-18:11

1 stop17h 21m

Ontario

Mon 7/9

19:13-06:00

1 stop15h 47m

$2,745

Flights are sorted by cheapest return flights first.

Deals found on 12/8

Showing 1-10 of 19 resultsSorted by cheapest first
1
2

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.

Cheapflights Insights

Everything you need to know about your flight to Ontario

Rainfall in Ontario by month

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

In terms of precipitation, rainfall in Ontario ranges from 3.0 - 86.0 mm 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

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

How long is the flight to Ontario?

On average, a flight from Auckland to Ontario takes 15 hours 33 minutes. Flights to Ontario from other popular cities in New Zealand will vary in length. Below are a few examples of popular routes and their flight times.

FAQs about flying to Ontario

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

    Most people fly into Ontario (ONT) if they book a flight to Ontario. Ontario is conveniently located just 4.9 km from Ontario’s city centre.

  • 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.

  • Where does the fastest flight to Ontario depart from?

    For those looking to save time traveling to Ontario, Auckland Intl offers the quickest one-way flight (15 hours 33 minutes).

  • Does Ontario have rental cars?

    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 km away from Ontario).

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Search flights to Ontario by cabin class

Find flights to Ontario, based on your preferred cabin class, be it economy, premium economy, business, or first class.
First Class flights to Ontario
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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?

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?

Need flexible booking options for your flight to Ontario ? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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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