How does KAYAK find such low prices on flights from Worldwide to Ontario?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Worldwide to Ontario. Visit our flight page for the latest deals!>/a>

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Worldwide to Ontario?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Ontario from Worldwide is likely to change within 7 days, so travelers know whether to wait or book now. Visit our flight page for the latest deals!>/a>

What is the Hacker Fare option on flights from Worldwide to Ontario?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Ontario with an airline and back to Worldwide with another airline. Visit our flight page for the latest deals!>/a>

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Worldwide to Ontario?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Ontario from Worldwide up to 3 days before/after your preferred dates. You can then pick the flights that suit you best. Visit our flight page for the latest deals!>/a>

$22 International Flights to Ontario

KAYAK searches hundreds of travel sites at once for cheap international flights to Ontario

...and more

Travelers love KAYAK

41,299,237 searches in the past 7 days on KAYAK

Save 23% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Bundle and saveSave money when you bundle your flight + hotel.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Cheapest round-trip

$181

Volaris

Wed 3/11Sun 3/15

SJD - ONT • Non-stop

Cheapest one-way

$130

Typical prices: $194-$277

Frontier

Wed 3/11

CUN - ONT • 1 stop

Start a new search

KAYAK searches 100s of sites at once to find you the best travel deals.

We hope you love your trip to Ontario!

Flight Deals

Book Cheap International Flights Deals to Ontario

Discover the best prices for you by selecting your travel dates on KAYAK.

Round-trip

One-way

Last minute

Direct

Recent round-trip international flight deals to Ontario

Wed, Mar 11 - Sun, Mar 15

4:06 pm - 6:44 pm

SJD

ONT

2h 38mnonstop

12:50 pm - 3:12 pm

ONT

SJD

2h 22mnonstop

$181Volaris

Thu, Mar 19 - Sun, Mar 22

4:06 pm - 6:44 pm

SJD

ONT

2h 38mnonstop

12:50 pm - 3:12 pm

ONT

SJD

2h 22mnonstop

$184Volaris

Fri, Feb 27 - Wed, Mar 11

7:35 pm - 1:11 pm

YYC

ONT

18h 36m

1 stop

2:23 pm - 11:00 pm

ONT

YYC

7h 37m

1 stop

$254Multiple Airlines

Wed, May 6 - Tue, May 19

1:44 pm - 12:22 pm

SJD

ONT

22h 38m

2 stops

5:00 am - 12:05 pm

ONT

SJD

7h 05m

1 stop

$256United Airlines

Fri, May 1 - Sun, May 10

2:30 pm - 9:58 pm

GDL

ONT

8h 28m

1 stop

6:00 am - 11:25 am

ONT

GDL

28h 25m

1 stop

$266United Airlines

Tue, Mar 3 - Tue, Mar 10

7:55 am - 9:34 pm

YYC

ONT

38h 39m

2 stops

2:23 pm - 11:00 pm

ONT

YYC

7h 37m

1 stop

$269Multiple Airlines

Thu, Apr 30 - Tue, May 5

11:30 am - 11:24 pm

CUN

ONT

13h 54m

1 stop

12:59 am - 2:39 pm

ONT

CUN

11h 40m

1 stop

$301Frontier

Thu, Mar 5 - Mon, Mar 9

12:24 pm - 11:59 pm

CUN

ONT

14h 35m

1 stop

9:40 pm - 11:16 am

ONT

CUN

11h 36m

2 stops

$323Frontier

Tue, May 5 - Tue, May 19

5:35 pm - 9:45 pm

SAL

ONT

5h 10mnonstop

11:35 pm - 5:20 am

ONT

SAL

4h 45mnonstop

$345Avianca

Sat, May 2 - Sat, May 9

10:00 am - 9:45 pm

GUA

ONT

12h 45m

1 stop

11:35 pm - 9:00 am

ONT

GUA

8h 25m

1 stop

$371Avianca

Useful Info

Low season	December
High season	July
Cheapest flight	$22

Best time to beat the crowds but there is an average 27% increase in price.

Most popular time to fly with an average 10% increase in price.

Flight from Denver to Ontario

How does KAYAK find such low prices on flights from Worldwide to Ontario?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Worldwide to Ontario.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Worldwide to Ontario?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Ontario from Worldwide is likely to change within 7 days, so travelers know whether to wait or book now.
What is the Hacker Fare option on flights from Worldwide to Ontario?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Ontario with an airline and back to Worldwide with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Worldwide to Ontario?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Ontario from Worldwide up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight to Ontario

Airports

Cabin class

Complete your trip

Direct Flights

Flights to other cities

Origins

Other airports

Return flight deals

Information on the airport you'll fly into in Ontario

Ontario (ONT)

$22 Find deals on international flights to Ontario

KAYAK searches hundreds of travel sites at once for cheap international flights to Ontario

Everything you should know

Book Cheap International Flights Deals to Ontario

Recent round-trip international flight deals to Ontario

Recent one-way international flight deals to Ontario

Recent last minute international flight deals to Ontario

Recent direct international flight deals to Ontario

Good to know

FAQs for booking Worldwide to Ontario flights

How does KAYAK find such low prices on flights from Worldwide to Ontario?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Worldwide to Ontario.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Worldwide to Ontario?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Ontario from Worldwide is likely to change within 7 days, so travelers know whether to wait or book now.

What is the Hacker Fare option on flights from Worldwide to Ontario?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Ontario with an airline and back to Worldwide with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Worldwide to Ontario?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Ontario from Worldwide up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Everything you need to know for your flight to Ontario

Information on the airport you'll fly into in Ontario

Cabin class types available on flights to Worldwide

Complete your trip to Ontario with a hotel stay or car rental

Find direct flights for Ontario

Flights to other popular destinations

Flights from domestic origins to Worldwide

Choose which airport to fly into in Ontario

Find deals for your return flight