$34 Find deals on international flights to Ontario

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight to Ontario departing on 12/11. 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.
1 adult
1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$180
Volaris
Sat 12/20Sat 12/27
SJD - ONT • Non-stop
Cheapest one-way
$117
Typical prices: $135-$204
Avianca
Thu 12/11
GUA - ONT • 1 stop
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We hope you love your trip to Ontario!
Flight Deals
Useful Info
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.

Recent round-trip international flight deals to Ontario

Sat, Dec 20 - Sat, Dec 27
Volaris Logo
5:06 pm - 6:44 pm
SJD
-
ONT
2h 38mnonstop
Volaris Logo
12:50 pm - 4:12 pm
ONT
-
SJD
2h 22mnonstop
$180Volaris
Fri, Jan 9 - Wed, Jan 14
Volaris Logo
5:06 pm - 6:44 pm
SJD
-
ONT
2h 38mnonstop
Volaris Logo
12:50 pm - 4:12 pm
ONT
-
SJD
2h 22mnonstop
$185Volaris
Thu, Feb 19 - Thu, Mar 5
Avianca Logo
9:55 am - 8:55 pm
GUA
-
ONT
13h 00m1 stop
Avianca Logo
10:30 pm - 6:35 pm
ONT
-
GUA
18h 05m1 stop
$218Avianca
Tue, Feb 24 - Tue, Mar 10
Avianca Logo
9:55 am - 8:55 pm
GUA
-
ONT
13h 00m1 stop
Avianca Logo
11:30 pm - 6:35 pm
ONT
-
GUA
18h 05m1 stop
$225Avianca
Wed, Mar 4 - Tue, Mar 17
United Airlines Logo
9:40 am - 10:57 pm
SJO
-
ONT
15h 17m1 stop
United Airlines Logo
6:00 am - 7:39 pm
ONT
-
SJO
12h 39m1 stop
$227United Airlines
Wed, Jan 21 - Thu, Jan 29
American Airlines Logo
2:13 pm - 12:03 pm
GUA
-
ONT
23h 50m2 stops
American Airlines Logo
4:45 pm - 2:07 pm
ONT
-
GUA
19h 22m2 stops
$231American Airlines
Wed, Jan 21 - Thu, Jan 29
American Airlines Logo
2:13 pm - 10:08 am
GUA
-
ONT
21h 55m2 stops
American Airlines Logo
7:30 pm - 2:07 pm
ONT
-
GUA
16h 37m2 stops
$233American Airlines
Mon, Jan 26 - Sun, Feb 1
United Airlines Logo
6:30 am - 10:53 pm
SJO
-
ONT
18h 23m2 stops
United Airlines Logo
6:00 am - 8:32 am
ONT
-
SJO
24h 32m1 stop
$247United Airlines
Thu, Dec 25 - Wed, Dec 31
Multiple Airlines Logo
6:45 am - 8:55 pm
GUA
-
ONT
16h 10m1 stop
Multiple Airlines Logo
6:20 pm - 6:36 pm
ONT
-
GUA
22h 16m1 stop
$273Multiple Airlines
Sun, Jan 18 - Sun, Jan 25
Multiple Airlines Logo
12:36 pm - 9:48 pm
SJD
-
ONT
10h 12m1 stop
Multiple Airlines Logo
12:50 pm - 4:12 pm
ONT
-
SJD
2h 22mnonstop
$282Multiple Airlines
Useful Info

Good to know

Low seasonFebruary
Cheapest flight$34
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

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

Ontario (ONT)