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$190+ Cheap flights from 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 12/10. 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.
ONT — AKL
9 Sep — 16 Sep1
1 adult
1 adult, Economy, 0 bags

Find flights from Ontario within your budget

 
Find flights departing from Ontario that match your specified budget. Filter results by price range, allowing you to narrow down options and find flights that fit within your financial constraints. Please note that the search results are based on data from user searches, with fares last updated on 10 August 2026. In the last 7 days, Cheapflights users made a total of 134,765 searches

Fly to

Route

Departure

Return

Price

Cheapest return flight
Fastest return journey

OntarioPortland

ONT Ontario - PDX Portland

ONTPDX

Ontario

Sat 26/9

10:47-13:04

Nonstop2h 17m

Portland

Sat 3/10

08:28-10:49

Nonstop2h 21m

$436

OntarioPortland

ONT Ontario - PDX Portland

ONTPDX

Ontario

Sat 17/10

11:29-13:50

Nonstop2h 21m

Portland

Sat 24/10

17:48-20:15

Nonstop2h 27m

$436

OntarioPortland

ONT Ontario - PDX Portland

ONTPDX

Ontario

Wed 7/10

06:40-10:10

1 stop3h 30m

Portland

Mon 12/10

05:50-11:15

1 stop5h 25m

$446

OntarioPortland

ONT Ontario - PDX Portland

ONTPDX

Ontario

Thu 24/9

13:04-18:16

1 stop5h 12m

Portland

Sun 27/9

17:49-22:40

1 stop4h 51m

$456

OntarioPortland

ONT Ontario - PDX Portland

ONTPDX

Ontario

Mon 31/8

06:30-10:15

1 stop3h 45m

Portland

Thu 3/9

05:00-13:25

2 stops8h 25m

$458

OntarioPortland

ONT Ontario - PDX Portland

ONTPDX

Ontario

Sat 19/9

05:40-11:50

1 stop6h 10m

Portland

Thu 24/9

05:00-13:25

2 stops8h 25m

$463

OntarioPortland

ONT Ontario - PDX Portland

ONTPDX

Ontario

Thu 12/11

16:00-23:25

2 stops7h 25m

Portland

Sun 15/11

05:10-10:50

1 stop5h 40m

$465

OntarioPortland

ONT Ontario - PDX Portland

ONTPDX

Ontario

Fri 28/8

13:18-21:05

1 stop7h 47m

Portland

Sun 30/8

05:30-12:12

1 stop6h 42m

$470

OntarioPortland

ONT Ontario - PDX Portland

ONTPDX

Ontario

Fri 21/8

17:05-23:44

1 stop6h 39m

Portland

Mon 24/8

15:25-22:45

1 stop7h 20m

$470

OntarioPortland

ONT Ontario - PDX Portland

ONTPDX

Ontario

Mon 24/8

17:05-23:39

1 stop6h 34m

Portland

Tue 25/8

05:30-11:16

1 stop5h 46m

$470

Flights are sorted by cheapest return flights first.

Deals found on 7/8

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from Ontario

Have a flexible travel schedule? Discover the best time to fly from 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 from Ontario

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

What are popular destinations to fly to from Ontario?

Some of the most frequent flights departing from Ontario everyday are: Dallas (127 flights per day), Seattle (101 flights per day), and Atlanta (67 flights per day).

Phoenix Sky Harbor Intl
Phoenix Sky Harbor Intl
From $196
Seattle/Tacoma Intl
Seattle/Tacoma Intl
From $468

What is the cheapest place to fly to from Ontario?

The cheapest city to fly to from Ontario is Phoenix Sky Harbor Intl, with prices starting at $196. Explore other affordable destinations below.

Phoenix Sky Harbor Intl
Phoenix Sky Harbor Intl
From $196
Seattle/Tacoma Intl
Seattle/Tacoma Intl
From $468

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Related info for your journey

Access useful and relevant information related to your journey from Ontario. This can include details such as airport transportation, visa requirements, travel insurance, luggage regulations, and any other information that can ensure a smooth and hassle-free travel experience. Please note that the information is based on general guidance and may need to be verified with official sources. Data last updated 10 August 2026.

  • What are the most popular destinations to fly to from Ontario?

    The most popular destinations from Ontario this month are Las Vegas, Denver, Dallas/Fort Worth Airport. The top year-round destinations include Las Vegas, Dallas/Fort Worth Airport, Guadalajara.

  • What is the cheapest flight from Ontario to anywhere?

    Users have flown out of Ontario for as low as $196 to Phoenix Sky Harbor Intl Airport (prices may vary depending on the airline and departure time). On average, users have booked flights for $333 to fly from Ontario.

  • Where are the cheapest places to fly to from Ontario?

    Here are some of the cheapest flight destinations from Ontario:
    Fly from Ontario to Auckland from $1,782 round trip

  • How does Cheapflights help users find flights from Ontario?

    When you search for this flight from Ontario, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the best flight for you.

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

    Millions of users choose and trust Cheapflights to book the best flight deals from Ontario for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

  • Can Cheapflights find flights from Ontario with no change fees?

    Cheapflights does show flights with no change fees to all users. To see these options for flights from Ontario, users can toggle the no change fees filter when performing a flight search.

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

    Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and use a valid email address to enable the Price Alerts feature. That’s it!

See more FAQs

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 from Ontario?

When you search for this flight from Ontario, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the best flight for you.

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

Millions of users choose and trust Cheapflights to book the best flight deals from Ontario for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Ontario with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Ontario, users can toggle the no change fees filter when performing a flight search.

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

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and use a valid email address to enable the Price Alerts feature. That’s it!

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