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>

$29 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

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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

$222

Volaris

Sat 12/20Tue 12/23

SJD - ONT • Non-stop

Cheapest one-way

$139

Typical prices: $135-$204

Multiple Airlines

Sat 12/13

GUA - 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

Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights to Ontario that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

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

Sat, Dec 20 - Tue, Dec 23

5:06 pm - 6:44 pmSJD-ONT

2h 38mnonstop

12:50 pm - 4:12 pmONT-SJD

2h 22mnonstop

$222Volaris

Find Deal

Fri, Dec 5 - Fri, Dec 12

5:06 pm - 6:44 pmSJD-ONT

2h 38mnonstop

12:50 pm - 4:12 pmONT-SJD

2h 22mnonstop

$238Volaris

Find Deal

Tue, Feb 10 - Wed, Feb 25

4:15 pm - 11:58 pmGDL-ONT

9h 43m1 stop

6:00 am - 2:26 pmONT-GDL

6h 26m1 stop

$248Delta

Find Deal

Wed, Dec 10 - Thu, Jan 15

9:35 pm - 10:52 pmGDL-ONT

3h 17mnonstop

11:02 pm - 4:00 amONT-GDL

2h 58mnonstop

$250Frontier

Find Deal

Mon, Feb 16 - Sun, Feb 22

9:35 pm - 10:52 pmGDL-ONT

3h 17mnonstop

12:42 am - 5:40 amONT-GDL

2h 58mnonstop

$255Frontier

Find Deal

Thu, Feb 19 - Tue, Feb 24

3:05 pm - 8:55 pmSJO-ONT

7h 50m1 stop

10:30 pm - 11:25 amONT-SJO

10h 55m1 stop

$261Avianca

Find Deal

Fri, May 8 - Sun, May 10

2:40 pm - 11:25 amGUA-ONT

21h 45m2 stops

5:02 pm - 12:14 pmONT-GUA

18h 12m2 stops

$264American Airlines

Find Deal

Thu, Dec 11 - Sat, Mar 7

3:05 pm - 8:55 pmSJO-ONT

7h 50m1 stop

10:30 pm - 11:25 amONT-SJO

10h 55m1 stop

$265Avianca

Find Deal

Wed, Jan 21 - Thu, Jan 29

3:12 pm - 12:03 pmGUA-ONT

22h 51m2 stops

7:30 pm - 2:07 pmONT-GUA

16h 37m2 stops

$271American Airlines

Find Deal

Fri, Dec 5 - Mon, Jan 12

2:10 am - 4:09 pmCAI-ONT

23h 59m2 stops

7:30 am - 12:10 amONT-CAI

30h 40m2 stops

$925Delta

Find Deal

Useful Info

Low season	February
High season	November
Cheapest flight	$29

Best time to beat the crowds with an average 19% drop in price.

Most popular time to fly with an average 9% increase in price.

Flight from Houston George Bush Airport 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)

$29 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