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$90+ Cheap flights from Ontario

This is the cheapest return flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 23/1. 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 — SYD
24 Ara — 31 Ara1
1 adult

What to know about flights from Ontario

Discover essential information about flights departing from Ontario, including flight schedules, destinations, airlines operating at the Ontario airport, and any specific guidelines or requirements for travellers. Please note that the information is based on the most recent updates available. Data last updated 19 Aralık 2024.

Cheapest one-way flight

$37

Cheapest round-trip flight

$81

Cheapest airline

American Airlines

Most popular destination

Nadi (NAN)
The cheapest one-way flight from Ontario is currently to Salt Lake City.
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The cheapest round-trip flight from Ontario is currently to Las Vegas Harry Reid Intl.
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On average, American Airlines currently has the cheapest one-way flight from Ontario.
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Nadi (NAN) is currently the most popular flight destination from Ontario.
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Find flights from Ontario

Cheapest flights from Ontario
Explore the most affordable flight options available from Ontario. Find the lowest fares based on data from user searches, with prices last updated on 19 Aralık 2024.

Çar 26/214:43ONT - LAS
Nonstop1h 15mFrontier
Paz 2/306:20LAS - ONT
Nonstop1h 06mFrontier
Deal found 18/12$102
Sal 7/112:25ONT - LAS
Nonstop1h 10mSouthwest
Sal 7/120:40LAS - ONT
Nonstop1h 05mSouthwest
Deal found 17/12$306
Sal 14/106:00ONT - LGA
1 stop7h 26mUnited Airlines
Cmt 1/214:00LGA - ONT
1 stop10h 57mUnited Airlines
Deal found 18/12$340
Sal 25/206:00ONT - LAS
1 stop9h 01mDelta
Cum 28/206:00LAS - ONT
1 stop16h 32mDelta
Deal found 17/12$402
Cmt 8/217:44ONT - LAS
2 stops17h 22mAlaska Airlines
Pzt 10/213:25LAS - ONT
1 stop9h 14mAlaska Airlines
Deal found 18/12$408
Sal 7/113:21ONT - JFK
1 stop7h 52mDelta
Sal 14/106:50JFK - ONT
1 stop8h 36mDelta
Deal found 18/12$438
Per 9/106:00ONT - LGA
2 stops11h 43mDelta
Çar 15/115:00LGA - ONT
1 stop10h 52mDelta
Deal found 18/12$446
Per 9/106:00ONT - JFK
1 stop13h 59mAlaska Airlines
Cum 10/116:00JFK - ONT
1 stop21h 49mAlaska Airlines
Deal found 18/12$446
Çar 12/205:45ONT - LGA
1 stop9h 20mSouthwest
Sal 18/207:15LGA - ONT
2 stops10h 40mSouthwest
Deal found 18/12$527
Çar 14/506:00ONT - DTW
1 stop21h 47mAlaska Airlines
Sal 20/516:40DTW - ONT
1 stop8h 57mAlaska Airlines
Deal found 18/12$613
Pzt 17/222:50ONT - JFK
1 stop8h 09mAmerican Airlines
Çar 19/214:54JFK - ONT
1 stop9h 08mAmerican Airlines
Deal found 18/12$659
Pzt 17/206:00ONT - LAS
2 stops14h 16mUnited Airlines
Per 20/211:52LAS - ONT
1 stop8h 48mUnited Airlines
Deal found 18/12$664

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 19 Aralık 2024. In the last 7 days, Cheapflights users made a total of 647,157 searches

Fly to

Any airport

Route

Depart

Return

Price

OntarioNew York

ONT - LGA

ONTLGA

Ontario

Sal 21/1

10:47-23:30

2 stops9h 43m

New York LaGuardia

Cmt 25/1

14:00-21:57

1 stop10h 57m

$459

OntarioLas Vegas

ONT - LAS

ONTLAS

Ontario

Paz 5/1

05:35-10:10

1 stop4h 35m

Las Vegas Harry Reid Intl

Paz 5/1

22:35-23:35

Nonstop1h 00m

$459

OntarioNew York

ONT - JFK

ONTJFK

Ontario

Cmt 18/1

16:06-15:00

1 stop19h 54m

New York John F Kennedy Intl

Cum 24/1

16:00-10:34

2 stops21h 34m

$460

OntarioNew York

ONT - LGA

ONTLGA

Ontario

Per 9/1

06:00-20:43

2 stops11h 43m

New York LaGuardia

Cum 10/1

13:45-23:53

2 stops13h 08m

$462

OntarioLas Vegas

ONT - LAS

ONTLAS

Ontario

Cum 10/1

16:06-09:33

2 stops17h 27m

Las Vegas Harry Reid Intl

Cmt 11/1

12:11-10:38

2 stops22h 27m

$464

OntarioLas Vegas

ONT - LAS

ONTLAS

Ontario

Sal 31/12

00:59-20:47

1 stop19h 48m

Las Vegas Harry Reid Intl

Cum 3/1

08:25-15:56

1 stop7h 31m

$470

OntarioNew York

ONT - JFK

ONTJFK

Ontario

Sal 4/2

07:05-18:21

1 stop8h 16m

New York John F Kennedy Intl

Pzt 10/2

06:52-12:24

1 stop8h 32m

$503

OntarioNew York

ONT - LGA

ONTLGA

Ontario

Çar 12/2

05:45-18:05

1 stop9h 20m

New York LaGuardia

Sal 18/2

07:15-14:55

2 stops10h 40m

$527

OntarioLas Vegas

ONT - LAS

ONTLAS

Ontario

Cum 31/1

16:05-22:31

1 stop6h 26m

Las Vegas Harry Reid Intl

Paz 2/2

10:55-22:32

1 stop11h 37m

$552

OntarioDetroit

ONT - DTW

ONTDTW

Ontario

Çar 14/5

06:00-06:47

1 stop21h 47m

Detroit Metropolitan Wayne County

Sal 20/5

16:40-22:37

1 stop8h 57m

$613

Flights are sorted by cheapest return flights first.

Deals found on 18/12

Showing 1-10 of 60 results
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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 is the cheapest month to book a flight from Ontario?

Currently, April is the cheapest month in which you can book a flight from Ontario (average of $781). Flying from Ontario in December will prove the most costly (average of $1,400). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

What are popular destinations to fly to from Ontario?

Ontario offers frequent flights to Seattle (82 flights per day), Dallas (76 flights per day) and San Francisco (65 flights per day).

Las Vegas Harry Reid Intl

Las Vegas Harry Reid Intl

From $64

Denver Intl

Denver Intl

From $68

What is the cheapest place to fly to from Ontario?

The cheapest city to fly to from Ontario is Las Vegas Harry Reid Intl, with prices starting at $102. Explore other affordable destinations below.

Las Vegas Harry Reid Intl

Las Vegas Harry Reid Intl

From $64

Denver Intl

Denver Intl

From $68

Airline reviews for flights from Ontario

Get insights into the airlines that provide service from Ontario. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing airline for your flight from Ontario. In the last 7 days, Cheapflights users made a total of 647,157 searches.
Japan Airlines
8.3
Very Good
1,442 reviews
Check prices

Crew

8.7

Overall

8.3

Comfort

8.2

Food

7.7

Boarding

8.4

Entertainment

7.8

Reviews

1 / 10

Excellent crew, great food and decent audio selection. Seats are wide and have plenty of leg room but could use some more padding.

Japan Airlines
8.3
Very Good
1,442 reviews
Japan Airlines
8.3
Very Good
1,442 reviews
Check prices

Crew

8.7

Overall

8.3

Comfort

8.2

Food

7.7

Boarding

8.4

Entertainment

7.8

Reviews

1 / 10

Excellent crew, great food and decent audio selection. Seats are wide and have plenty of leg room but could use some more padding.

China Airlines
8.3
Very Good
754 reviews
Japan Airlines
8.3
Very Good
1,442 reviews
Check prices

Crew

8.7

Overall

8.3

Comfort

8.2

Food

7.7

Boarding

8.4

Entertainment

7.8

Reviews

1 / 10

Excellent crew, great food and decent audio selection. Seats are wide and have plenty of leg room but could use some more padding.

Alaska Airlines
8.0
Very Good
9,551 reviews
Japan Airlines
8.3
Very Good
1,442 reviews
Check prices

Crew

8.7

Overall

8.3

Comfort

8.2

Food

7.7

Boarding

8.4

Entertainment

7.8

Reviews

1 / 10

Excellent crew, great food and decent audio selection. Seats are wide and have plenty of leg room but could use some more padding.

Delta
8.0
Very Good
8,604 reviews
Japan Airlines
8.3
Very Good
1,442 reviews
Check prices

Crew

8.7

Overall

8.3

Comfort

8.2

Food

7.7

Boarding

8.4

Entertainment

7.8

Reviews

1 / 10

Excellent crew, great food and decent audio selection. Seats are wide and have plenty of leg room but could use some more padding.

Hawaiian Airlines
7.9
Good
2,296 reviews
Japan Airlines
8.3
Very Good
1,442 reviews
Check prices

Crew

8.7

Overall

8.3

Comfort

8.2

Food

7.7

Boarding

8.4

Entertainment

7.8

Reviews

1 / 10

Excellent crew, great food and decent audio selection. Seats are wide and have plenty of leg room but could use some more padding.

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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 19 Aralık 2024.

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

    For the current month, the most popular flights from Ontario are Dallas/Fort Worth Airport, Denver, Guadalajara. Dallas/Fort Worth Airport, Denver, 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 $102 to Las Vegas (prices may vary depending on the airline and departure time). On average, users have booked flights for $134 to fly from Ontario.

  • What is the cheapest month to fly from Ontario?

    Currently, the cheapest month for flights from Ontario is April. The most expensive month for flights is December. The cheapest prices are shown above but prices will vary according to departure times, airlines, class and how early you book.

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

    View the cheapest flight destinations from Ontario:
    Fly from Ontario to Melbourne from $1,178 round trip
    Fly from Ontario to Sydney from $1,534 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

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?

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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