$29 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
$184
Volaris
Mon 1/12Sun 1/18
SJD - ONT • Non-stop
Cheapest one-way
$124
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

Mon, Jan 12 - Sun, Jan 18
Volaris Logo
5:06 pm - 6:44 pmSJD-ONT
2h 38mnonstop
Volaris Logo
12:50 pm - 4:12 pmONT-SJD
2h 22mnonstop
$184Volaris
Find Deal
Thu, Feb 5 - Sun, Feb 8
American Airlines Logo
3:12 pm - 9:08 amGUA-ONT
19h 56m2 stops
American Airlines Logo
4:45 pm - 2:07 pmONT-GUA
19h 22m2 stops
$231American Airlines
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Sun, May 3 - Sat, May 9
American Airlines Logo
2:40 pm - 8:31 amGUA-ONT
18h 51m2 stops
American Airlines Logo
5:02 pm - 12:14 pmONT-GUA
18h 12m2 stops
$237American Airlines
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Tue, Jan 20 - Mon, Jan 26
United Airlines Logo
5:45 am - 10:53 pmGDL-ONT
19h 08m2 stops
United Airlines Logo
6:00 am - 10:35 pmONT-GDL
14h 35m1 stop
$250United Airlines
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Thu, Jan 22 - Mon, Jan 26
United Airlines Logo
5:45 am - 9:58 pmGDL-ONT
18h 13m1 stop
United Airlines Logo
6:00 am - 10:35 pmONT-GDL
14h 35m1 stop
$251United Airlines
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Thu, Jan 22 - Sun, Jan 25
Frontier Logo
9:35 pm - 10:52 pmGDL-ONT
3h 17mnonstop
Frontier Logo
12:42 am - 5:40 amONT-GDL
2h 58mnonstop
$257Frontier
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Tue, Feb 10 - Sat, Feb 21
Frontier Logo
6:54 pm - 8:11 pmGDL-ONT
3h 17mnonstop
Frontier Logo
12:42 am - 5:40 amONT-GDL
2h 58mnonstop
$259Frontier
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Mon, Dec 15 - Wed, Dec 24
Multiple Airlines Logo
7:35 pm - 9:17 pmYYC-ONT
50h 42m2 stops
Multiple Airlines Logo
6:00 am - 11:05 pmONT-YYC
16h 05m1 stop
$272Multiple Airlines
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Mon, Dec 15 - Wed, Dec 24
Multiple Airlines Logo
7:35 pm - 9:17 pmYYC-ONT
26h 42m1 stop
Multiple Airlines Logo
6:00 pm - 12:01 pmONT-YYC
17h 01m1 stop
$284Multiple Airlines
Find Deal
Thu, Dec 25 - Thu, Jan 1
Aeromexico Logo
5:20 pm - 10:33 pmCUN-ONT
8h 13m1 stop
Aeromexico Logo
6:00 am - 4:20 pmONT-CUN
7h 20m1 stop
$338Aeromexico
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Useful Info

Good to know

Low seasonFebruary
Cheapest flight$29
Best time to beat the crowds with an average 18% drop in price.
Most popular time to fly with an average 10% 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)