Find flights
Deals

$91+ Cheap flights from Ontario

ONT — SYD
20 Oct — 27 Oct1
1 adult
1 adult, Economy, 0 bags

Find flights from Ontario within your budget

 

Fly to

Route

Depart

Return

Price

Cheapest return flight

OntarioLas Vegas

ONT Ontario - LAS Las Vegas Harry Reid Intl

ONTLAS

Ontario

Sat 17/10

13:52-20:47

1 stop6h 55m

Las Vegas Harry Reid Intl

Wed 31/12

00:00-00:00

Nonstop0h 00m

$140
Fastest return journey

OntarioLas Vegas

ONT Ontario - LAS Las Vegas Harry Reid Intl

ONTLAS

Ontario

Tue 17/11

08:40-09:40

Nonstop1h 00m

Las Vegas Harry Reid Intl

Wed 31/12

00:00-00:00

Nonstop0h 00m

$153

OntarioLas Vegas

ONT Ontario - LAS Las Vegas Harry Reid Intl

ONTLAS

Ontario

Mon 2/11

11:20-16:30

2 stops5h 10m

Las Vegas Harry Reid Intl

Wed 31/12

00:00-00:00

Nonstop0h 00m

$174

OntarioLas Vegas

ONT Ontario - LAS Las Vegas Harry Reid Intl

ONTLAS

Ontario

Sat 7/11

13:10-19:10

2 stops6h 00m

Las Vegas Harry Reid Intl

Wed 31/12

00:00-00:00

Nonstop0h 00m

$174

OntarioLas Vegas

ONT Ontario - LAS Las Vegas Harry Reid Intl

ONTLAS

Ontario

Mon 16/11

09:25-16:03

1 stop6h 38m

Las Vegas Harry Reid Intl

Wed 31/12

00:00-00:00

Nonstop0h 00m

$189

OntarioLas Vegas

ONT Ontario - LAS Las Vegas Harry Reid Intl

ONTLAS

Ontario

Wed 11/11

13:35-20:43

1 stop7h 08m

Las Vegas Harry Reid Intl

Wed 31/12

00:00-00:00

Nonstop0h 00m

$189

OntarioLas Vegas

ONT Ontario - LAS Las Vegas Harry Reid Intl

ONTLAS

Ontario

Mon 5/10

06:07-10:17

1 stop4h 10m

Las Vegas Harry Reid Intl

Wed 31/12

00:00-00:00

Nonstop0h 00m

$223

OntarioNew York

ONT Ontario - LGA New York LaGuardia

ONTLGA

Ontario

Sat 7/11

12:16-23:40

1 stop8h 24m

New York LaGuardia

Wed 31/12

00:00-21:00

Nonstop0h 00m

$230

OntarioBaltimore

ONT Ontario - BWI Baltimore/Washington

ONTBWI

Ontario

Mon 7/12

23:08-09:22

1 stop7h 14m

Baltimore/Washington

Wed 31/12

00:00-21:00

Nonstop0h 00m

$244

OntarioBaltimore

ONT Ontario - BWI Baltimore/Washington

ONTBWI

Ontario

Wed 18/11

07:50-19:20

1 stop8h 30m

Baltimore/Washington

Wed 31/12

00:00-21:00

Nonstop0h 00m

$244

Flights are sorted by cheapest return flights first.

Deals found on 17/9

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
...
6

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 Dallas (141 flights per day), Seattle (106 flights per day) and Atlanta (86 flights per day).

Seattle/Tacoma Intl
Seattle/Tacoma Intl
From $135
Las Vegas Harry Reid Intl
Las Vegas Harry Reid Intl
From $140
Atlanta Hartsfield-Jackson
Atlanta Hartsfield-Jackson
From $320
Oakland
Oakland
From $559

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 $135. Explore other affordable destinations below.

Seattle/Tacoma Intl
Seattle/Tacoma Intl
From $135
Las Vegas Harry Reid Intl
Las Vegas Harry Reid Intl
From $140
Atlanta Hartsfield-Jackson
Atlanta Hartsfield-Jackson
From $320
Houston Hobby
Houston Hobby
From $483

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, Dallas/Fort Worth Airport, Honolulu. 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 $135 to Seattle (prices may vary depending on the airline and departure time). On average, users have booked flights for $390 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 $2,212

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

    View the cheapest flight destinations from Ontario:
    Fly from Ontario to Melbourne from $1,465 round trip
    Fly from Ontario to Sydney from $1,501 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!

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.