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$556+ 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 31/1. Fares are subject to change and may not be available on all flights or dates of travel.
— ONT
8 Feb — 15 Feb1
1 adult
1 adult, Economy, 0 bags

Flights to Ontario in 2026

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 9 January 2026.

Return from

$1,157

One-way from

$556

Popular in

April

Cheapest in

February

Average price

$1,460
Air New Zealand
  • Air New Zealand
  • 25/1-8/2
  • Nonstop
  • 25h 00m total
  • Auckland to Los Angeles
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Hawaiian Airlines
  • Hawaiian Airlines
  • 31/1
  • 1 total stop
  • 19h 58m total
  • Auckland to Ontario
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Highest demand for flights based on searches. 0% potential increase in price.
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Cheapest flight prices on average. 1% potential price decrease ($26 potential savings vs. average return price).
Search Deals
Average for return flights in January 2026
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Find flight deals to Ontario

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 9 January 2026.

Thu 12/323:30AKL - ONT
1 stop17h 25mHawaiian Airlines
Fri 27/308:32ONT - AKL
1 stop16h 48mHawaiian Airlines
Deal found 8/1$1,507
Thu 22/119:55AKL - ONT
1 stop18h 48mAir New Zealand
Tue 10/213:53ONT - AKL
1 stop22h 17mAir New Zealand
Deal found 6/1$1,512
Thu 22/119:55AKL - ONT
1 stop23h 58mUnited Airlines
Sun 25/106:00ONT - AKL
1 stop30h 10mUnited Airlines
Deal found 9/1$1,540
Mon 19/115:50AKL - ONT
1 stop22h 53mUnited Airlines
Sun 1/206:00ONT - AKL
1 stop30h 10mUnited Airlines
Deal found 9/1$1,543
Wed 18/208:55AKL - ONT
2 stops35h 02mUnited Airlines
Sun 22/213:50ONT - AKL
1 stop22h 20mUnited Airlines
Deal found 6/1$1,548
Tue 5/507:00AKL - ONT
2 stops21h 43mUnited Airlines
Wed 20/513:28ONT - AKL
1 stop21h 32mUnited Airlines
Deal found 8/1$1,555
Tue 12/507:00AKL - ONT
2 stops21h 43mUnited Airlines
Wed 17/618:53ONT - AKL
2 stops27h 52mUnited Airlines
Deal found 7/1$1,557
Mon 2/219:55AKL - ONT
1 stop18h 48mUnited Airlines
Thu 5/306:00ONT - AKL
1 stop26h 45mUnited Airlines
Deal found 8/1$1,569

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 9 January 2026.
Use the filters below to find and compare flights to Ontario that are best for you.

Fly from

Auckland

Route

Departure

Return

Price

AucklandOntario

AKL - ONT

AKLONT

Auckland Intl

Tue 3/2

19:55-22:53

1 stop23h 58m

Ontario

Sun 8/3

13:40-08:10

1 stop22h 30m

$1,540

AucklandOntario

AKL - ONT

AKLONT

Auckland Intl

Wed 4/2

19:55-22:53

1 stop23h 58m

Ontario

Sun 8/3

13:40-08:10

1 stop22h 30m

$1,540

AucklandOntario

AKL - ONT

AKLONT

Auckland Intl

Mon 2/2

19:55-22:53

1 stop23h 58m

Ontario

Sun 8/3

13:40-08:10

1 stop22h 30m

$1,540

AucklandOntario

AKL - ONT

AKLONT

Auckland Intl

Thu 22/1

09:20-22:53

2 stops34h 33m

Ontario

Sun 25/1

18:39-09:10

1 stop17h 31m

$1,540

AucklandOntario

AKL - ONT

AKLONT

Auckland Intl

Mon 9/2

15:50-11:18

1 stop16h 28m

Ontario

Mon 16/2

06:10-17:45

2 stops38h 35m

$1,540

AucklandOntario

AKL - ONT

AKLONT

Auckland Intl

Wed 18/2

08:55-17:41

2 stops29h 46m

Ontario

Sun 22/2

18:37-17:45

2 stops26h 08m

$1,540

AucklandOntario

AKL - ONT

AKLONT

Auckland Intl

Mon 19/1

15:50-11:18

1 stop16h 28m

Ontario

Sun 1/2

06:00-09:10

1 stop30h 10m

$1,543

AucklandOntario

AKL - ONT

AKLONT

Auckland Intl

Thu 22/1

09:20-22:53

2 stops34h 33m

Ontario

Tue 10/2

06:00-00:30

2 stops45h 30m

$1,543

AucklandOntario

AKL - ONT

AKLONT

Auckland Intl

Thu 12/3

23:30-20:55

1 stop17h 25m

$615

AucklandOntario

AKL - ONT

AKLONT

Auckland Intl

Tue 17/2

23:30-22:15

1 stop19h 45m

$619

Flights are sorted by cheapest return flights first.

Deals found on 7/1

Showing 1-10 of 19 results
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 17 hours 25 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 (17 hours 25 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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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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