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$101+ 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 30/1. 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 — AKL
2 Jan — 9 Jan1
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 28 December 2024.

Cheapest one-way flight

$84

Cheapest round-trip flight

$1,167

Cheapest airline

Alaska Airlines

Most popular destination

Auckland Intl (AKL)
The cheapest one-way flight from Ontario is currently to Las Vegas Harry Reid Intl.
The cheapest round-trip flight from Ontario is currently to Auckland Intl.
On average, Alaska Airlines currently has the cheapest one-way flight from Ontario.
Auckland Intl (AKL) is currently the most popular flight destination from Ontario.

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 28 December 2024.

Tue 11/318:45ONT - PDX
1 stop6h 05mUnited Airlines
Tue 1/413:39PDX - ONT
1 stop6h 42mUnited Airlines
Deal found 26/12$277
Sat 25/117:44ONT - PDX
Nonstop2h 26mAlaska Airlines
Sat 1/208:13PDX - ONT
Nonstop2h 21mAlaska Airlines
Deal found 26/12$279
Fri 10/106:00ONT - PDX
1 stop4h 47mDelta
Sun 12/105:10PDX - ONT
1 stop7h 16mDelta
Deal found 27/12$348
Wed 29/111:33ONT - BZN
1 stop5h 42mAlaska Airlines
Thu 30/111:26BZN - ONT
1 stop7h 46mAlaska Airlines
Deal found 27/12$391
Sat 1/205:10ONT - BIL
1 stop7h 13mUnited Airlines
Sat 15/214:46BIL - ONT
1 stop7h 06mUnited Airlines
Deal found 27/12$391
Wed 29/117:10ONT - BIL
1 stop6h 21mDelta
Sun 2/218:32BIL - ONT
1 stop6h 21mDelta
Deal found 27/12$419
Wed 15/117:10ONT - BZN
1 stop4h 46mDelta
Thu 23/105:40BZN - ONT
2 stops10h 45mDelta
Deal found 28/12$428
Fri 28/207:00ONT - BIL
1 stop6h 14mAlaska Airlines
Mon 3/314:55BIL - ONT
1 stop27h 04mAlaska Airlines
Deal found 27/12$481
Sat 1/311:57ONT - HLN
1 stop27h 26mAlaska Airlines
Sat 8/316:19HLN - ONT
1 stop4h 58mAlaska Airlines
Deal found 28/12$535
Tue 11/206:15ONT - BZN
1 stop7h 19mUnited Airlines
Fri 14/216:26BZN - ONT
1 stop5h 26mUnited Airlines
Deal found 28/12$544
Sat 15/215:00ONT - PDX
2 stops7h 10mSouthwest
Sun 16/214:55PDX - ONT
1 stop4h 20mSouthwest
Deal found 26/12$570
Thu 16/106:00ONT - GPT
1 stop8h 16mUnited Airlines
Sun 19/116:55GPT - ONT
1 stop7h 02mUnited Airlines
Deal found 27/12$716

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 28 December 2024. In the last 7 days, Cheapflights users made a total of 134,765 searches

Fly to

Any airport

Route

Departure

Return

Price

OntarioPortland

ONT - PDX

ONTPDX

Ontario

Tue 11/3

18:45-00:50

1 stop6h 05m

Portland

Tue 1/4

13:39-20:21

1 stop6h 42m

$277

OntarioPortland

ONT - PDX

ONTPDX

Ontario

Sat 25/1

17:44-20:10

Nonstop2h 26m

Portland

Sat 1/2

08:13-10:34

Nonstop2h 21m

$279

OntarioPortland

ONT - PDX

ONTPDX

Ontario

Fri 10/1

06:00-10:47

1 stop4h 47m

Portland

Sun 12/1

05:10-12:26

1 stop7h 16m

$348

OntarioBozeman

ONT - BZN

ONTBZN

Ontario

Wed 29/1

11:33-18:15

1 stop5h 42m

Bozeman Gallatin Field

Thu 30/1

11:26-18:12

1 stop7h 46m

$391

OntarioBillings

ONT - BIL

ONTBIL

Ontario

Sat 1/2

05:10-13:23

1 stop7h 13m

Billings Logan Intl

Sat 15/2

14:46-20:52

1 stop7h 06m

$391

OntarioBillings

ONT - BIL

ONTBIL

Ontario

Wed 29/1

17:10-00:31

1 stop6h 21m

Billings Logan Intl

Sun 2/2

18:32-23:53

1 stop6h 21m

$419

OntarioBozeman

ONT - BZN

ONTBZN

Ontario

Wed 15/1

17:10-22:56

1 stop4h 46m

Bozeman Gallatin Field

Thu 23/1

05:40-15:25

2 stops10h 45m

$428

OntarioBillings

ONT - BIL

ONTBIL

Ontario

Fri 28/2

07:00-14:14

1 stop6h 14m

Billings Logan Intl

Mon 3/3

14:55-16:59

1 stop27h 04m

$481

OntarioHelena

ONT - HLN

ONTHLN

Ontario

Sat 1/3

11:57-16:23

1 stop27h 26m

Helena

Sat 8/3

16:19-20:17

1 stop4h 58m

$535

OntarioBozeman

ONT - BZN

ONTBZN

Ontario

Tue 11/2

06:15-14:34

1 stop7h 19m

Bozeman Gallatin Field

Fri 14/2

16:26-20:52

1 stop5h 26m

$544

Flights are sorted by cheapest return flights first.

Deals found on 27/12

Showing 1-10 of 48 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, May is the cheapest month in which you can book a flight from Ontario (average of $867). Flying from Ontario in September will prove the most costly (average of $1,279). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

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 134,765 searches.
8.2
Very Good
750 reviews

Crew

8.5

Boarding

8.3

Entertainment

8.0

Food

7.8

Comfort

8.0

Overall

8.2

Reviews

1 / 10

For the money it’s good value. Seat space rather small

8.2
Very Good
750 reviews
8.2
Very Good
750 reviews

Crew

8.5

Boarding

8.3

Entertainment

8.0

Food

7.8

Comfort

8.0

Overall

8.2

Reviews

1 / 10

For the money it’s good value. Seat space rather small

7.9
Good
2,300 reviews
8.2
Very Good
750 reviews

Crew

8.5

Boarding

8.3

Entertainment

8.0

Food

7.8

Comfort

8.0

Overall

8.2

Reviews

1 / 10

For the money it’s good value. Seat space rather small

7.5
Good
3,773 reviews
8.2
Very Good
750 reviews

Crew

8.5

Boarding

8.3

Entertainment

8.0

Food

7.8

Comfort

8.0

Overall

8.2

Reviews

1 / 10

For the money it’s good value. Seat space rather small

7.4
Good
9,002 reviews
8.2
Very Good
750 reviews

Crew

8.5

Boarding

8.3

Entertainment

8.0

Food

7.8

Comfort

8.0

Overall

8.2

Reviews

1 / 10

For the money it’s good value. Seat space rather small

7.2
Good
10,000 reviews
8.2
Very Good
750 reviews

Crew

8.5

Boarding

8.3

Entertainment

8.0

Food

7.8

Comfort

8.0

Overall

8.2

Reviews

1 / 10

For the money it’s good value. Seat space rather small

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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 28 December 2024.
  • What are the most popular destinations to fly to from Ontario?

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

  • What is the cheapest month to fly from Ontario?

    At the present moment the cheapest month to fly from Ontario is currently May; with September being the most expensive. Prices will vary depending on multiple factors such as booking in advance, airline and departure airports and times.

  • 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 $1,169 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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