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

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

What is the cheapest flight from Ontario to anywhere?

Users have flown out of Ontario for as low as $1,174 to Honolulu (prices may vary depending on the airline and departure time). On average, users have booked flights for $1,214 to fly from Ontario.

What is the cheapest first class flight from Ontario?

If you’re looking for a cheap first-class flight from Ontario, consider Seattle. Prices start at $2,818 so you can fly first-class even on a budget.

What is the cheapest month to fly from Ontario?

At the present moment the cheapest month to fly from Ontario is currently April ; 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 $1,254 round trip

$90+ Flights from Ontario

What to know about flights from Ontario

Cheapest one-way flight	$32
Cheapest airline	Alaska Airlines
Most popular destination	Auckland Intl (AKL)
Good one-way deal	$1,174 or less

The cheapest one-way flight from Ontario is currently to Las Vegas Harry Reid Intl.

Search Deals

On average, Alaska Airlines currently has the cheapest one-way flight from Ontario (avg. price of $172).

Search Deals

Auckland Intl (AKL) is currently the most popular flight destination from Ontario (average return price of $1,079).

Search Deals

Price to beat on a one-way flight from Ontario.

Search Deals

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 30 January 2025.

Tue 15/410:18ONT - PDX

Nonstop2h 27mAlaska Airlines

Wed 23/421:42PDX - ONT

Nonstop2h 16mAlaska Airlines

Deal found 29/1$313

Thu 20/206:00ONT - PDX

1 stop4h 05mSouthwest

Thu 20/212:55PDX - ONT

1 stop6h 35mSouthwest

Deal found 29/1$338

Thu 13/317:15ONT - PDX

1 stop6h 29mDelta

Mon 17/319:05PDX - ONT

1 stop4h 51mDelta

Deal found 29/1$347

Thu 29/506:00ONT - PDX

1 stop6h 27mUnited Airlines

Sun 1/607:40PDX - ONT

1 stop4h 54mUnited Airlines

Deal found 29/1$410

Tue 18/316:20ONT - BZN

1 stop17h 24mAlaska Airlines

Tue 25/314:53BZN - ONT

1 stop20h 46mAlaska Airlines

Deal found 30/1$417

Thu 17/405:45ONT - BZN

1 stop5h 35mSouthwest

Tue 22/414:20BZN - ONT

2 stops9h 10mSouthwest

Deal found 29/1$428

Tue 22/406:05ONT - MOB

1 stop5h 28mUnited Airlines

Sat 26/417:15MOB - ONT

1 stop6h 43mUnited Airlines

Deal found 29/1$502

Tue 25/206:00ONT - BZN

1 stop7h 40mUnited Airlines

Tue 4/315:55BZN - ONT

1 stop5h 45mUnited Airlines

Deal found 29/1$543

Tue 18/213:05ONT - MOB

1 stop7h 55mDelta

Tue 25/217:51MOB - ONT

1 stop7h 01mDelta

Deal found 30/1$546

Wed 26/317:15ONT - GTF

1 stop4h 29mDelta

Wed 2/412:00GTF - ONT

1 stop5h 34mDelta

Deal found 29/1$562

Wed 14/507:00ONT - BIL

1 stop7h 07mAlaska Airlines

Sat 17/515:45BIL - ONT

1 stop9h 12mAlaska Airlines

Deal found 28/1$580

Thu 27/217:10ONT - BZN

1 stop4h 46mDelta

Fri 7/318:45BZN - ONT

1 stop6h 06mDelta

Deal found 29/1$582

Best flights from Ontario
Discover carefully curated flight deals from Ontario that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 30 January 2025.

Tue 15/410:18ONT - PDX

Nonstop2h 27mAlaska Airlines

Wed 23/421:42PDX - ONT

Nonstop2h 16mAlaska Airlines

Deal found 29/1$313

Thu 20/206:00ONT - PDX

1 stop4h 05mSouthwest

Thu 20/212:55PDX - ONT

1 stop6h 35mSouthwest

Deal found 29/1$338

Thu 13/317:15ONT - PDX

1 stop6h 29mDelta

Mon 17/319:05PDX - ONT

1 stop4h 51mDelta

Deal found 29/1$347

Thu 29/506:00ONT - PDX

1 stop6h 27mUnited Airlines

Sun 1/607:40PDX - ONT

1 stop4h 54mUnited Airlines

Deal found 29/1$410

Tue 18/316:20ONT - BZN

1 stop17h 24mAlaska Airlines

Tue 25/314:53BZN - ONT

1 stop20h 46mAlaska Airlines

Deal found 30/1$417

Thu 17/405:45ONT - BZN

1 stop5h 35mSouthwest

Tue 22/414:20BZN - ONT

2 stops9h 10mSouthwest

Deal found 29/1$428

Tue 22/406:05ONT - MOB

1 stop5h 28mUnited Airlines

Sat 26/417:15MOB - ONT

1 stop6h 43mUnited Airlines

Deal found 29/1$502

Tue 18/213:05ONT - MOB

1 stop7h 55mDelta

Tue 25/217:51MOB - ONT

1 stop7h 01mDelta

Deal found 30/1$546

Tue 25/206:00ONT - BZN

1 stop7h 40mUnited Airlines

Tue 4/315:55BZN - ONT

1 stop5h 45mUnited Airlines

Deal found 29/1$543

Wed 26/317:15ONT - GTF

1 stop4h 29mDelta

Wed 2/412:00GTF - ONT

1 stop5h 34mDelta

Deal found 29/1$562

Wed 14/507:00ONT - BIL

1 stop7h 07mAlaska Airlines

Sat 17/515:45BIL - ONT

1 stop9h 12mAlaska Airlines

Deal found 28/1$580

Thu 27/217:10ONT - BZN

1 stop4h 46mDelta

Fri 7/318:45BZN - ONT

1 stop6h 06mDelta

Deal found 29/1$582

Last-minute flights from Ontario
Discover last-minute flight deals departing from Ontario. Data was last updated 30 January 2025 and is based on user searches.

Wed 5/213:00ONT - MOB

1 stop8h 00mDelta

Sat 8/215:35MOB - ONT

1 stop9h 17mDelta

Deal found 29/1$732

Thu 6/206:00ONT - PDX

1 stop4h 05mSouthwest

Thu 6/218:20PDX - ONT

1 stop3h 35mSouthwest

Deal found 29/1$552

Thu 6/206:00ONT - MOB

1 stop8h 10mUnited Airlines

Sun 9/216:55MOB - ONT

1 stop7h 02mUnited Airlines

Deal found 29/1$953

Thu 6/206:00ONT - GPT

1 stop8h 16mUnited Airlines

Sun 9/216:55GPT - ONT

1 stop7h 02mUnited Airlines

Deal found 29/1$962

Fri 7/217:10ONT - PDX

1 stop6h 41mDelta

Mon 10/217:15PDX - ONT

1 stop5h 17mDelta

Deal found 30/1$490

Fri 7/216:06ONT - BZN

1 stop6h 50mAlaska Airlines

Mon 10/214:52BZN - ONT

1 stop8h 47mAlaska Airlines

Deal found 30/1$1,064

Fri 7/213:45ONT - BZN

1 stop6h 31mUnited Airlines

Tue 11/216:20BZN - ONT

1 stop5h 31mUnited Airlines

Deal found 30/1$1,066

Fri 7/217:10ONT - BZN

1 stop4h 46mDelta

Tue 11/205:40BZN - ONT

2 stops10h 45mDelta

Deal found 29/1$1,075

Sat 8/207:05ONT - GPT

1 stop6h 44mDelta

Wed 12/217:00GPT - ONT

1 stop7h 52mDelta

Deal found 29/1$748

Sun 9/207:00ONT - PDX

Nonstop2h 33mAlaska Airlines

Mon 10/208:13PDX - ONT

Nonstop2h 21mAlaska Airlines

Deal found 30/1$507

Sun 9/218:38ONT - PDX

2 stops28h 06mUnited Airlines

Tue 11/213:40PDX - ONT

1 stop4h 24mUnited Airlines

Deal found 30/1$778

Sun 9/206:15ONT - BZN

2 stops6h 55mSouthwest

Tue 11/212:45BZN - ONT

2 stops8h 35mSouthwest

Deal found 29/1$1,084

One-way flights from Ontario
Search for one-way flight options from Ontario. Find affordable one-way fares based on user searches. Data last updated 30 January 2025.

Sat 19/407:00ONT - BZN

1 stop5h 03mAlaska Airlines

Deal found 29/1$244

Sat 22/213:44ONT - BZN

1 stop6h 45mUnited Airlines

Deal found 30/1$246

Wed 21/509:57ONT - PDX

Nonstop2h 20mAlaska Airlines

Deal found 29/1$246

Sat 22/317:15ONT - PDX

1 stop5h 02mDelta

Deal found 29/1$248

Wed 5/206:15ONT - PDX

1 stop6h 15mUnited Airlines

Deal found 29/1$255

Fri 11/717:05ONT - HLN

1 stop4h 28mDelta

Deal found 29/1$292

Wed 12/306:00ONT - BZN

1 stop5h 25mDelta

Deal found 29/1$292

Wed 19/209:00ONT - PDX

2 stops7h 45mSouthwest

Deal found 29/1$317

Tue 25/305:05ONT - BIL

1 stop7h 18mUnited Airlines

Deal found 30/1$354

Tue 22/722:59ONT - GPT

1 stop8h 36mDelta

Deal found 28/1$371

Fri 27/617:05ONT - GTF

1 stop4h 38mDelta

Deal found 29/1$371

Sun 2/306:00ONT - GPT

1 stop8h 00mUnited Airlines

Deal found 30/1$393

International flights from Ontario
Find cheap international flights from Ontario based on historic user searches and pricing. Information updated on 30 January 2025.

Mon 3/319:40ONT - BNE

1 stop17h 50mUnited Airlines

Sun 16/310:40BNE - ONT

1 stop16h 14mUnited Airlines

Deal found 30/1$1,438

Tue 18/222:45ONT - MNL

1 stop35h 25mChina Airlines

Wed 5/310:55MNL - ONT

1 stop21h 55mChina Airlines

Deal found 28/1$1,512

Sun 23/219:40ONT - MNL

1 stop19h 10mUnited Airlines

Wed 19/309:55MNL - ONT

1 stop27h 50mUnited Airlines

Deal found 29/1$1,533

Wed 5/306:00ONT - MNL

2 stops23h 45mMultiple Airlines

Tue 11/302:20MNL - ONT

2 stops29h 22mMultiple Airlines

Deal found 30/1$1,646

Sun 16/206:00ONT - MNL

2 stops27h 05mKorean Air

Sat 15/300:55MNL - ONT

2 stops30h 47mKorean Air

Deal found 30/1$1,648

Sat 1/306:00ONT - SYD

2 stops29h 50mDelta

Sat 8/314:15SYD - ONT

2 stops28h 11mDelta

Deal found 29/1$1,655

Sun 2/319:40ONT - SYD

1 stop18h 35mUnited Airlines

Sat 8/311:50SYD - ONT

2 stops29h 55mUnited Airlines

Deal found 30/1$1,719

Sun 2/306:00ONT - DEL

2 stops26h 20mUnited Airlines

Mon 31/323:35DEL - ONT

2 stops30h 46mUnited Airlines

Deal found 29/1$1,844

Tue 4/316:20ONT - SYD

2 stops32h 25mAlaska Airlines

Tue 18/321:40SYD - ONT

2 stops30h 59mAlaska Airlines

Deal found 30/1$1,873

Mon 21/405:40ONT - DPS

2 stops27h 10mDelta

Tue 29/423:45DPS - ONT

2 stops37h 55mDelta

Deal found 29/1$1,899

Sun 23/213:05ONT - DEL

2 stops24h 55mKLM

Mon 10/303:20DEL - ONT

2 stops25h 44mKLM

Deal found 29/1$1,922

Sun 15/607:00ONT - DEL

2 stops52h 35mDelta

Wed 9/711:10DEL - ONT

2 stops62h 43mDelta

Deal found 28/1$1,966

Find flights from Ontario within your budget

Fly to

Route

Departure

Return

Price

OntarioPortland

ONT - PDX

ONTPDX

Ontario

Tue 15/4

07:00-09:24

Nonstop2h 24m

Portland

Tue 22/4

07:00-09:16

Nonstop2h 16m

$313

OntarioPortland

ONT - PDX

ONTPDX

Ontario

Thu 20/2

06:00-10:05

1 stop4h 05m

Portland

Thu 20/2

12:55-19:30

1 stop6h 35m

$338

OntarioPortland

ONT - PDX

ONTPDX

Ontario

Thu 13/3

17:15-23:44

1 stop6h 29m

Portland

Mon 17/3

17:26-23:56

1 stop6h 30m

$347

OntarioPortland

ONT - PDX

ONTPDX

Ontario

Thu 29/5

06:00-12:27

1 stop6h 27m

Portland

Sun 1/6

07:40-12:34

1 stop4h 54m

$410

OntarioBozeman

ONT - BZN

ONTBZN

Ontario

Tue 18/3

16:20-10:44

1 stop17h 24m

Bozeman Gallatin Field

Tue 25/3

14:53-10:39

1 stop20h 46m

$417

OntarioBozeman

ONT - BZN

ONTBZN

Ontario

Thu 17/4

05:45-12:20

1 stop5h 35m

Bozeman Gallatin Field

Tue 22/4

14:20-22:30

2 stops9h 10m

$428

OntarioMobile

ONT - MOB

ONTMOB

Ontario

Tue 22/4

06:05-13:33

1 stop5h 28m

Mobile

Sat 26/4

17:15-21:58

1 stop6h 43m

$502

OntarioBozeman

ONT - BZN

ONTBZN

Ontario

Tue 25/2

06:00-14:40

1 stop7h 40m

Bozeman Gallatin Field

Tue 4/3

15:55-20:40

1 stop5h 45m

$543

OntarioMobile

ONT - MOB

ONTMOB

Ontario

Tue 18/2

13:05-23:00

1 stop7h 55m

Mobile

Tue 25/2

17:51-22:52

1 stop7h 01m

$546

OntarioGreat Falls

ONT - GTF

ONTGTF

Ontario

Wed 26/3

17:15-22:44

1 stop4h 29m

Great Falls

Wed 2/4

12:00-16:34

1 stop5h 34m

$562

Flights are sorted by cheapest return flights first.

Deals found on 29/1

Showing 1-10 of 60 results

...

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 $649). Flying from Ontario in September will prove the most costly (average of $1,275). 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?

Some of the most frequent flights departing from Ontario everyday are: Seattle (76 flights per day), Dallas (61 flights per day), and Atlanta (56 flights per day).

Honolulu

From $664

What is the cheapest place to fly to from Ontario?

The cheapest city to fly to from Ontario is Honolulu, with prices starting at $1,174. Explore other affordable destinations below.

Honolulu

From $664

Airline reviews for flights from Ontario

China Airlines

8.2

Very Good

726 reviews

Check prices

Reviews

1 / 20

6.0

Good

Alex,Dec 2024

SYD - TPE

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

China Airlines

8.2

Very Good

726 reviews

China Airlines

8.2

Very Good

726 reviews

Check prices

Reviews

1 / 20

6.0

Good

Alex,Dec 2024

SYD - TPE

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

Delta

8.0

Very Good

8,456 reviews

China Airlines

8.2

Very Good

726 reviews

Check prices

Reviews

1 / 20

6.0

Good

Alex,Dec 2024

SYD - TPE

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

Hawaiian Airlines

7.9

Good

2,320 reviews

China Airlines

8.2

Very Good

726 reviews

Check prices

Reviews

1 / 20

6.0

Good

Alex,Dec 2024

SYD - TPE

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

Qatar Airways

7.5

Good

3,718 reviews

China Airlines

8.2

Very Good

726 reviews

Check prices

Reviews

1 / 20

6.0

Good

Alex,Dec 2024

SYD - TPE

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

United Airlines

7.4

Good

8,913 reviews

China Airlines

8.2

Very Good

726 reviews

Check prices

Reviews

1 / 20

6.0

Good

Alex,Dec 2024

SYD - TPE

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

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?
The most popular destinations from Ontario this month are Guadalajara, Dallas/Fort Worth Airport, Denver. The top year-round destinations include Dallas/Fort Worth Airport, Denver, Guadalajara.
What is the cheapest flight from Ontario to anywhere?
Users have flown out of Ontario for as low as $1,174 to Honolulu (prices may vary depending on the airline and departure time). On average, users have booked flights for $1,214 to fly from Ontario.
What is the cheapest first class flight from Ontario?
If you’re looking for a cheap first-class flight from Ontario, consider Seattle. Prices start at $2,818 so you can fly first-class even on a budget.
What is the cheapest month to fly from Ontario?
At the present moment the cheapest month to fly from Ontario is currently April; 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 $1,254 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

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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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.

$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 5/5. 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.

What to know about flights from Ontario

Cheapest one-way flight

Cheapest airline

Most popular destination

Good one-way deal

Find flights from Ontario

Cheapest flights from OntarioExplore the most affordable flight options available from Ontario. Find the lowest fares based on data from user searches, with prices last updated on 30 January 2025.

Explore the most affordable flight options available from Ontario. Find the lowest fares based on data from user searches, with prices last updated on 30 January 2025.

Find flights from Ontario within your budget

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.

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?

What are popular destinations to fly to from Ontario?

What is the cheapest place to fly to from Ontario?

Airline reviews for flights from Ontario

Browse thousands of different options on Cheapflights for your next trip

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Direct flights from California

Book a direct flight from one of these other cities located in California.

Related info for your journey

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

What is the cheapest flight from Ontario to anywhere?

What is the cheapest first class flight from Ontario?

What is the cheapest month to fly from Ontario?

Where are the cheapest places to fly to from Ontario?

How does Cheapflights help users find flights from Ontario?

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

Can Cheapflights find flights from Ontario with no change fees?

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

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?

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

Can Cheapflights find flights from Ontario with no change fees?

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

100% Free

Book with Flexibility

Travel Smart

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 30 January 2025.