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$162+ Cheap flights from Ontario

ONT — SYD
8 Oct — 15 Oct1
1 adult
1 adult, Economy, 0 bags

Find flights from Ontario within your budget

 

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Route

Depart

Return

Price

Cheapest return flight

OntarioPortland

ONT Ontario - PDX Portland

ONTPDX

Ontario

Sat 10/10

13:52-21:00

1 stop7h 08m

Portland

Wed 31/12

00:00-00:00

Nonstop0h 00m

$186

OntarioPortland

ONT Ontario - PDX Portland

ONTPDX

Ontario

Tue 9/2

15:05-20:49

1 stop5h 44m

Portland

Wed 31/12

00:00-00:00

Nonstop0h 00m

$193

OntarioPortland

ONT Ontario - PDX Portland

ONTPDX

Ontario

Tue 29/9

14:40-19:55

1 stop5h 15m

Portland

Wed 31/12

00:00-00:00

Nonstop0h 00m

$201

OntarioPortland

ONT Ontario - PDX Portland

ONTPDX

Ontario

Tue 6/10

17:03-23:47

1 stop6h 44m

Portland

Wed 31/12

00:00-00:00

Nonstop0h 00m

$201

OntarioPortland

ONT Ontario - PDX Portland

ONTPDX

Ontario

Fri 9/10

18:55-01:25

1 stop6h 30m

Portland

Wed 31/12

00:00-00:00

Nonstop0h 00m

$201

OntarioPortland

ONT Ontario - PDX Portland

ONTPDX

Ontario

Thu 5/11

16:00-23:25

2 stops7h 25m

Portland

Wed 31/12

00:00-00:00

Nonstop0h 00m

$208

OntarioPortland

ONT Ontario - PDX Portland

ONTPDX

Ontario

Sat 26/12

17:38-23:59

1 stop6h 21m

Portland

Wed 31/12

00:00-00:00

Nonstop0h 00m

$215

OntarioPortland

ONT Ontario - PDX Portland

ONTPDX

Ontario

Tue 3/11

07:15-09:50

Nonstop2h 35m

Portland

Wed 31/12

00:00-00:00

Nonstop0h 00m

$220
Fastest return journey

OntarioPortland

ONT Ontario - PDX Portland

ONTPDX

Ontario

Wed 3/3

10:03-12:19

Nonstop2h 16m

Portland

Wed 31/12

00:00-00:00

Nonstop0h 00m

$220

OntarioPortland

ONT Ontario - PDX Portland

ONTPDX

Ontario

Sun 27/12

11:59-18:56

1 stop6h 57m

Portland

Wed 31/12

00:00-00:00

Nonstop0h 00m

$243

Flights are sorted by cheapest return flights first.

Deals found on 4/9

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

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?

Ontario offers frequent flights to Denver (49 flights per day), Dallas (36 flights per day) and Seattle (29 flights per day).

Seattle/Tacoma Intl
Seattle/Tacoma Intl
From $133
Las Vegas Harry Reid Intl
Las Vegas Harry Reid Intl
From $138
Atlanta Hartsfield-Jackson
Atlanta Hartsfield-Jackson
From $316
Oakland
Oakland
From $552

What is the cheapest place to fly to from Ontario?

The cheapest city to fly to from Ontario is Seattle/Tacoma Intl, with prices starting at $133. Explore other affordable destinations below.

Seattle/Tacoma Intl
Seattle/Tacoma Intl
From $133
Las Vegas Harry Reid Intl
Las Vegas Harry Reid Intl
From $138
Atlanta Hartsfield-Jackson
Atlanta Hartsfield-Jackson
From $316
Houston Hobby
Houston Hobby
From $477

Browse thousands of different options on Cheapflights for your next trip

Related info for your journey

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

    For the current month, the most popular flights from Ontario are Las Vegas, Denver, Dallas/Fort Worth Airport. Las Vegas, Dallas/Fort Worth Airport, Guadalajara are the most popular locations from Ontario year round.

  • What is the cheapest flight from Ontario to anywhere?

    Users have flown out of Ontario for as low as $133 to Seattle (prices may vary depending on the airline and departure time). On average, users have booked flights for $385 to fly from Ontario.

  • What is the cheapest premium economy flight from Ontario?

    Options for some of the cheapest premium economy flights from Ontario we have found on Cheapflights are as follows:
    Fly from Ontario to Phoenix Sky Harbor Intl Airport starting at $2,185

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

    View the cheapest flight destinations from Ontario:
    Fly from Ontario to Melbourne from $1,507 round trip
    Fly from Ontario to Sydney from $1,508 round trip

  • How does Cheapflights help users find flights from Ontario?

    Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from 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 from Ontario?

    It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Ontario.

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

    Certainly. Search results for flights from Ontario shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

    Yes, Cheapflights has a feature called Price Alerts, which offers users the ability to be notified when flight prices change. Track prices for your flight from Ontario today and book when you’re ready!

See more FAQs

Fly with Cheapflights

How does Cheapflights help users find flights from Ontario?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from 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 from Ontario?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Ontario.

Can Cheapflights find flights from Ontario with no change fees?

Certainly. Search results for flights from Ontario shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

Yes, Cheapflights has a feature called Price Alerts, which offers users the ability to be notified when flight prices change. Track prices for your flight from Ontario today and book when you’re ready!

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