$22 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 4/13. 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
$175
Volaris
Thu 3/12Tue 3/17
SJD - ONT • Non-stop
Cheapest one-way
$130
Typical prices: $140-$173
Volaris
Mon 4/13
SJD - ONT • Non-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

Thu, Mar 12 - Tue, Mar 17
Volaris Logo
4:06 pm - 6:44 pm
SJD
-
ONT
2h 38mnonstop
Volaris Logo
12:50 pm - 3:12 pm
ONT
-
SJD
2h 22mnonstop
$175Volaris
Mon, Apr 6 - Mon, Jul 27
Volaris Logo
4:02 pm - 6:27 pm
SJD
-
ONT
2h 25mnonstop
Volaris Logo
12:40 pm - 3:04 pm
ONT
-
SJD
2h 24mnonstop
$176Volaris
Sat, Mar 28 - Sun, Apr 5
Volaris Logo
4:06 pm - 6:44 pm
SJD
-
ONT
2h 38mnonstop
Volaris Logo
12:40 pm - 3:04 pm
ONT
-
SJD
2h 24mnonstop
$179Volaris
Mon, Feb 23 - Sat, Feb 28
Volaris Logo
5:06 pm - 6:44 pm
SJD
-
ONT
2h 38mnonstop
Volaris Logo
12:50 pm - 4:12 pm
ONT
-
SJD
2h 22mnonstop
$184Volaris
Tue, Apr 7 - Mon, Apr 13
United Airlines Logo
12:30 pm - 9:50 pm
GDL
-
ONT
10h 20m
1 stop
United Airlines Logo
6:05 am - 11:25 am
ONT
-
GDL
28h 20m
1 stop
$250United Airlines
Tue, Apr 21 - Sun, Apr 26
United Airlines Logo
1:17 pm - 8:36 pm
SJD
-
ONT
7h 19m
1 stop
United Airlines Logo
6:00 am - 2:02 pm
ONT
-
SJD
8h 02m
1 stop
$251United Airlines
Thu, Mar 5 - Mon, Mar 9
Frontier Logo
12:24 pm - 11:59 pm
CUN
-
ONT
14h 35m
1 stop
Frontier Logo
9:40 pm - 11:16 am
ONT
-
CUN
11h 36m
2 stops
$267Frontier
Tue, May 12 - Tue, May 26
Avianca Logo
5:35 pm - 9:45 pm
SAL
-
ONT
5h 10mnonstop
Avianca Logo
11:35 pm - 5:20 am
ONT
-
SAL
4h 45mnonstop
$337Avianca
Sat, Feb 28 - Wed, Mar 4
Delta Logo
12:40 pm - 9:44 pm
YYC
-
ONT
10h 04m
1 stop
Delta Logo
6:00 am - 11:48 am
ONT
-
YYC
4h 48m
1 stop
$353Delta
Fri, Feb 20 - Sat, May 9
Delta Logo
5:30 am - 10:37 pm
LIS
-
ONT
25h 07m
2 stops
Delta Logo
1:35 pm - 5:50 pm
ONT
-
LIS
20h 15m
2 stops
$915Delta
Useful Info

Good to know

Low seasonDecember
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

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)