What airport do you fly into for flights to Ontario?

Ontario (ONT), located 4.9 km from the city centre, is the airport you fly into when you book flights to Ontario.

What is the cheapest month to fly to Ontario?

Currently, September is the cheapest month in which you can book a flight to Ontario . Flying to Ontario in December will prove the most costly. There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.

Can I find cheaper flights to Ontario if I am willing to have layovers?

Yes, flights with layovers are often cheaper than direct flights. Keep an eye out for flight deals to Ontario on Cheapflights that require 1 or 2 stops for potential cost savings.

What is the best airline to fly to Ontario?

Based on reviews from Cheapflights users, American Airlines is rated the highest out of the airlines that fly to Ontario.

Where does the fastest flight to Ontario depart from?

For those looking to save time traveling to Ontario, Vancouver offers the quickest one-way flight (4 hours 40 minutes).

Does Ontario have rental cars?

Yes. Those touching down at Ontario can take advantage of the rental car services offered upon their arrival.

Are there hotels close to Ontario?

Yes. Ontario has hotels nearby for those requiring accommodations. Delta Hotels by Marriott Ontario Airport is the closest property to Ontario (0.0 km away from Ontario).

C$ 202+ Flights to Ontario, California

Flights to Ontario in 2025

Round-trip from	C$ 241
One-way from	C$ 202
Popular in	December
Cheapest in	September
Average price	C$ 453

WestJet
12/8-18/8
2 total stops
21h 04m total
Toronto to Los Angeles

Search Deals

20/7
1 total stop
27h 47m total
Toronto to Ontario

Search Deals

Highest demand for flights based on searches. 10% potential increase in price (C$ 63 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease (C$ 23 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in June 2025

Search Deals

Find flight deals to Ontario

Cheapest flights to Ontario
Explore the most affordable flight options available to Ontario. Find the lowest fares based on data from user searches, with prices last updated on 26 junio 2025.

sáb. 12/77:00 a.m.YYZ - ONT

1 stop12h 20mMultiple Airlines

sáb. 26/75:13 p.m.ONT - YYZ

1 stop10h 07mMultiple Airlines

Deal found 25/6C$ 387

jue. 7/83:45 p.m.YYZ - ONT

2 stops22h 47mAmerican Airlines

mié. 13/812:22 p.m.ONT - YYZ

2 stops21h 14mAmerican Airlines

Deal found 26/6C$ 651

mié. 8/104:45 p.m.YYZ - ONT

1 stop10h 14mAlaska Airlines

lun. 20/101:31 p.m.ONT - YYZ

1 stop22h 29mAlaska Airlines

Deal found 23/6C$ 664

jue. 10/77:55 a.m.YYZ - ONT

2 stops14h 25mDelta

lun. 21/710:05 p.m.ONT - YYZ

2 stops19h 48mDelta

Deal found 25/6C$ 727

dom. 21/94:45 p.m.YYZ - ONT

1 stop10h 14mHawaiian Airlines

mar. 30/96:00 a.m.ONT - YYZ

1 stop30h 00mHawaiian Airlines

Deal found 24/6C$ 808

lun. 4/85:45 p.m.YHM - ONT

2 stops32h 02mMultiple Airlines

sáb. 9/82:14 p.m.ONT - YHM

2 stops30h 39mMultiple Airlines

Deal found 26/6C$ 1,117

Best flights to Ontario
Discover carefully curated flight deals to Ontario that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 26 junio 2025.

jue. 7/87:00 a.m.YYZ - ONT

1 stop12h 19mMultiple Airlines

mié. 13/87:22 p.m.ONT - YYZ

1 stop21h 37mMultiple Airlines

Deal found 26/6C$ 358

jue. 7/83:45 p.m.YYZ - ONT

2 stops22h 47mAmerican Airlines

mié. 13/812:22 p.m.ONT - YYZ

2 stops21h 14mAmerican Airlines

Deal found 26/6C$ 651

vie. 12/94:45 p.m.YYZ - ONT

1 stop20h 59mAlaska Airlines

sáb. 20/95:49 p.m.ONT - YYZ

2 stops18h 11mAlaska Airlines

Deal found 26/6C$ 669

jue. 10/77:55 a.m.YYZ - ONT

2 stops14h 25mDelta

lun. 21/710:05 p.m.ONT - YYZ

2 stops19h 48mDelta

Deal found 25/6C$ 727

dom. 21/94:45 p.m.YYZ - ONT

1 stop10h 14mHawaiian Airlines

mar. 30/96:00 a.m.ONT - YYZ

1 stop30h 00mHawaiian Airlines

Deal found 24/6C$ 808

lun. 1/96:30 a.m.YYZ - ONT

1 stop8h 43mUnited Airlines

lun. 8/97:00 a.m.ONT - YYZ

1 stop10h 44mUnited Airlines

Deal found 24/6C$ 852

lun. 4/85:45 p.m.YHM - ONT

2 stops32h 02mMultiple Airlines

sáb. 9/82:14 p.m.ONT - YHM

2 stops30h 39mMultiple Airlines

Deal found 26/6C$ 1,117

Last-minute flights to Ontario
Discover last-minute flight deals to Ontario. Data last updated 26 junio 2025 and is based on user searches.

mar. 1/74:45 p.m.YYZ - ONT

1 stop10h 30mAlaska Airlines

mar. 22/710:03 a.m.ONT - YYZ

2 stops25h 57mAlaska Airlines

Deal found 24/6C$ 1,088

jue. 3/72:27 p.m.YYZ - ONT

2 stops10h 58mDelta

lun. 7/710:05 p.m.ONT - YYZ

1 stop9h 14mDelta

Deal found 24/6C$ 1,121

vie. 4/77:15 a.m.YYZ - ONT

2 stops14h 59mMultiple Airlines

dom. 13/79:41 p.m.ONT - YYZ

1 stop20h 48mMultiple Airlines

Deal found 26/6C$ 916

vie. 4/710:59 a.m.YYZ - ONT

2 stops13h 34mAmerican Airlines

dom. 13/77:05 p.m.ONT - YYZ

2 stops12h 54mAmerican Airlines

Deal found 26/6C$ 1,025

vie. 4/71:00 p.m.YYZ - ONT

1 stop8h 30mUnited Airlines

dom. 13/76:10 a.m.ONT - YYZ

1 stop11h 00mUnited Airlines

Deal found 26/6C$ 1,066

jue. 10/77:55 a.m.YYZ - ONT

2 stops14h 25mDelta

lun. 21/710:05 p.m.ONT - YYZ

2 stops19h 48mDelta

Deal found 25/6C$ 727

sáb. 12/77:00 a.m.YYZ - ONT

1 stop12h 20mMultiple Airlines

sáb. 26/75:13 p.m.ONT - YYZ

1 stop10h 07mMultiple Airlines

Deal found 25/6C$ 387

jue. 17/76:00 a.m.YHM - ONT

2 stops15h 04mMultiple Airlines

sáb. 19/77:30 a.m.ONT - YHM

2 stops14h 11mMultiple Airlines

Deal found 25/6C$ 1,321

vie. 25/76:30 a.m.YYZ - ONT

1 stop19h 22mUnited Airlines

lun. 28/71:19 p.m.ONT - YYZ

1 stop14h 41mUnited Airlines

Deal found 24/6C$ 861

sáb. 26/76:50 a.m.YYZ - ONT

2 stops14h 18mAmerican Airlines

mar. 29/77:05 p.m.ONT - YYZ

2 stops14h 25mAmerican Airlines

Deal found 24/6C$ 819

lun. 28/74:45 p.m.YYZ - ONT

1 stop28h 19mAlaska Airlines

mar. 5/86:58 p.m.ONT - YYZ

1 stop17h 02mAlaska Airlines

Deal found 23/6C$ 839

One-way flights to Ontario
Search for one-way flight options to Ontario. Find affordable one-way fares based on user searches. Data last updated 26 junio 2025.

dom. 20/78:05 p.m.YYZ - ONT

1 stop27h 47mMultiple Airlines

Deal found 26/6C$ 202

vie. 8/86:00 a.m.YHM - ONT

3 stops17h 52mMultiple Airlines

Deal found 24/6C$ 324

mar. 22/710:00 a.m.YYZ - ONT

2 stops15h 27mDelta

Deal found 26/6C$ 338

mar. 23/94:45 p.m.YYZ - ONT

1 stop24h 24mAlaska Airlines

Deal found 24/6C$ 364

mar. 29/77:15 a.m.YYZ - ONT

2 stops19h 39mAmerican Airlines

Deal found 26/6C$ 394

mar. 26/86:30 a.m.YYZ - ONT

1 stop14h 07mUnited Airlines

Deal found 26/6C$ 405

mié. 6/810:20 a.m.YYZ - ONT

1 stop10h 23mAir Canada

Deal found 25/6C$ 504

Cheapflights Fare Finder

Use the filters below to find and compare flights to Ontario that are best for you.

Fly from

Route

Depart

Return

Price

TorontoOntario

YYZ - ONT

YYZONT

Toronto Pearson Intl

jue. 7/8

7:00 a.m.-4:19 p.m.

1 stop12h 19m

Ontario

mié. 13/8

7:22 p.m.-7:59 p.m.

1 stop21h 37m

C$ 358

TorontoOntario

YYZ - ONT

YYZONT

Toronto Pearson Intl

jue. 7/8

3:45 p.m.-11:32 a.m.

2 stops22h 47m

Ontario

mié. 13/8

12:22 p.m.-12:36 p.m.

2 stops21h 14m

C$ 651

TorontoOntario

YYZ - ONT

YYZONT

Toronto Pearson Intl

mié. 8/10

4:45 p.m.-11:59 p.m.

1 stop10h 14m

Ontario

lun. 20/10

1:31 p.m.-3:00 p.m.

1 stop22h 29m

C$ 664

TorontoOntario

YYZ - ONT

YYZONT

Toronto Pearson Intl

dom. 21/9

1:20 p.m.-10:41 p.m.

1 stop12h 21m

Ontario

mar. 30/9

11:29 a.m.-11:29 a.m.

2 stops21h 00m

C$ 711

TorontoOntario

YYZ - ONT

YYZONT

Toronto Pearson Intl

dom. 21/9

4:45 p.m.-11:59 p.m.

1 stop10h 14m

Ontario

mar. 30/9

6:00 a.m.-3:00 p.m.

1 stop30h 00m

C$ 808

TorontoOntario

YYZ - ONT

YYZONT

Toronto Pearson Intl

mié. 10/12

6:30 a.m.-5:46 p.m.

1 stop14h 16m

Ontario

mar. 30/12

5:40 a.m.-10:52 p.m.

1 stop14h 12m

C$ 826

HamiltonOntario

YHM - ONT

YHMONT

Hamilton

lun. 4/8

5:45 p.m.-10:47 p.m.

2 stops32h 02m

Ontario

sáb. 9/8

2:14 p.m.-11:53 p.m.

2 stops30h 39m

C$ 1,117

TorontoOntario

YYZ - ONT

YYZONT

Toronto Pearson Intl

dom. 20/7

8:05 p.m.-8:52 p.m.

1 stop27h 47m

C$ 202

HamiltonOntario

YHM - ONT

YHMONT

Hamilton

vie. 8/8

6:00 a.m.-8:52 p.m.

3 stops17h 52m

C$ 324

TorontoOntario

YYZ - ONT

YYZONT

Toronto Pearson Intl

mar. 22/7

10:00 a.m.-10:27 p.m.

2 stops15h 27m

C$ 338

Flights are sorted by cheapest round-trip flights first.

Deals found on 26/6

Showing 1-10 of 14 results

Best time to book a flight to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario with our price prediction graph.

Estimated round-trip 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.

Cheapflights Insights

Everything you need to know about your flight to Ontario

How long is the flight to Ontario?

On average, a flight from Toronto to Ontario takes 11 hours 20 minutes. Flights to Ontario from other popular cities in Canada will vary in length. Below are a few examples of popular routes and their flight times.

What are the most popular airlines that fly to Ontario?

The most popular airlines flying from Toronto to Ontario are Air Canada, United Airlines and Delta.

What are the cheapest airlines that fly to Ontario?

The cheapest airlines flying from Toronto to Ontario are American Airlines, WestJet and Porter Airlines.

Rainfall in Ontario by month

In terms of precipitation, rainfall in Ontario ranges from 3.0 - 86.0 mm per month. February is typically the wettest month, when rainfall can reach 86.0 mm. June is typically the driest time to visit Ontario when rainfall is around 3.0 mm.

Temperature in Ontario by month

If weather is an important factor for your trip to Ontario, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 26.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 12.0 C).

Reviews of airlines servicing Ontario

Get a feel of what it's like to fly with Alaska Airlines,Delta, andHawaiian Airlines to the United States by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Alaska Airlines

8.0

Very good

10,000 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Alaska Airlines

8.0

Very good

10,000 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Delta

8.0

Very good

7,964 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

Hawaiian Airlines

7.8

Good

2,522 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

United Airlines

7.4

Good

8,838 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

American Airlines

7.2

Good

10,000 reviews

Alaska Airlines

8.0

Very good

10,000 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

FAQs about flying to Ontario

What airport do you fly into for flights to Ontario?
Ontario (ONT), located 4.9 km from the city centre, is the airport you fly into when you book flights to Ontario.
Can I find cheaper flights to Ontario if I am willing to have layovers?
Yes, flights with layovers are often cheaper than direct flights. Keep an eye out for flight deals to Ontario on Cheapflights that require 1 or 2 stops for potential cost savings.
What is the best airline to fly to Ontario?
Based on reviews from Cheapflights users, American Airlines is rated the highest out of the airlines that fly to Ontario.
Where does the fastest flight to Ontario depart from?
For those looking to save time traveling to Ontario, Vancouver offers the quickest one-way flight (4 hours 40 minutes).
Does Ontario have rental cars?
Yes. Those touching down at Ontario can take advantage of the rental car services offered upon their arrival.
Are there hotels close to Ontario?
Yes. Ontario has hotels nearby for those requiring accommodations. Delta Hotels by Marriott Ontario Airport is the closest property to Ontario (0.0 km away from Ontario).

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Popular United States flight routes

Fly with Cheapflights

How does Cheapflights help users find flights to Ontario?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Ontario today with Cheapflights!

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

Cheapflights helps you find that perfect flight to Ontario by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights to Ontario with no change fees?

Yes, we can. To see specific flights to Ontario with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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

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

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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.

C$ 202+ Cheap flights to Ontario

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 20/7. Fares are subject to change and may not be available on all flights or dates of travel.

Flights to Ontario in 2025

Find the latest flights to Ontario in 2025, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 629,999 searches and data was last updated on 26 junio 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals to Ontario

Cheapest flights to OntarioExplore the most affordable flight options available to Ontario. Find the lowest fares based on data from user searches, with prices last updated on 26 junio 2025.

Explore the most affordable flight options available to Ontario. Find the lowest fares based on data from user searches, with prices last updated on 26 junio 2025.

Cheapflights Fare Finder

Locate flights to Ontario that fit your budget, with regularly updated fares and availability. In the last 7 days, Cheapflights users made a total of 629,999 searches and data was last updated on 26 junio 2025.

Use the filters below to find and compare flights to Ontario that are best for you.

Best time to book a flight to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight to Ontario

How long is the flight to Ontario?

What are the most popular airlines that fly to Ontario?

What are the cheapest airlines that fly to Ontario?

Rainfall in Ontario by month

Plan your trip to Ontario by taking into account the average rainfall totals by month.

Temperature in Ontario by month

Plan your trip to Ontario by taking into account the average temperature totals by month.

Reviews of airlines servicing Ontario

Get a feel of what it's like to fly with Alaska Airlines,Delta, andHawaiian Airlines to the United States by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

FAQs about flying to Ontario

What airport do you fly into for flights to Ontario?

Can I find cheaper flights to Ontario if I am willing to have layovers?

What is the best airline to fly to Ontario?

Where does the fastest flight to Ontario depart from?

Does Ontario have rental cars?

Are there hotels close to Ontario?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Search flights to Ontario by cabin class

Find flights to Ontario, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights to Ontario?

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

Can Cheapflights find flights to Ontario with no change fees?

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

100% Free

Book with Flexibility

Travel Smart

Cheapest flights to Ontario
Explore the most affordable flight options available to Ontario. Find the lowest fares based on data from user searches, with prices last updated on 26 junio 2025.