$39 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 4/2. 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

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

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.

Everything you should know

Cheapest round-trip
$183
Volaris
Fri 1/30Sun 2/1
SJD - ONT • Non-stop
Cheapest one-way
$130
Typical prices: $140-$173
Volaris
Thu 4/2
SJD - ONT • Non-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
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

Fri, Jan 30 - Sun, Feb 1
Volaris Logo
5:06 pm - 6:44 pm
SJD
-
ONT
2h 38mnonstop
Volaris Logo
12:50 pm - 4:12 pm
ONT
-
SJD
2h 22mnonstop
$183Volaris
Wed, Feb 4 - Thu, Feb 5
Volaris Logo
5:06 pm - 6:44 pm
SJD
-
ONT
2h 38mnonstop
Volaris Logo
12:50 pm - 4:12 pm
ONT
-
SJD
2h 22mnonstop
$187Volaris
Thu, Mar 5 - Mon, Mar 9
United Airlines Logo
1:35 pm - 10:36 pm
GDL
-
ONT
11h 01m
1 stop
United Airlines Logo
6:00 am - 11:36 am
ONT
-
GDL
28h 36m
1 stop
$253United Airlines
Tue, Feb 10 - Tue, Mar 10
United Airlines Logo
5:45 am - 10:53 pm
GDL
-
ONT
19h 08m
2 stops
United Airlines Logo
6:00 am - 9:35 pm
ONT
-
GDL
14h 35m
1 stop
$256United Airlines
Thu, Feb 12 - Mon, Feb 16
American Airlines Logo
2:52 pm - 11:28 am
GDL
-
ONT
22h 36m
1 stop
American Airlines Logo
11:58 pm - 1:28 pm
ONT
-
GDL
11h 30m
1 stop
$268American Airlines
Tue, Feb 3 - Wed, Feb 25
American Airlines Logo
2:13 pm - 10:08 am
GUA
-
ONT
21h 55m
2 stops
American Airlines Logo
11:58 pm - 12:12 am
ONT
-
GUA
22h 14m
1 stop
$296American Airlines
Tue, Mar 24 - Tue, Apr 7
Multiple Airlines Logo
5:35 pm - 9:55 pm
SAL
-
ONT
5h 20mnonstop
Multiple Airlines Logo
5:18 pm - 11:00 am
ONT
-
SAL
16h 42m
1 stop
$351Multiple Airlines
Wed, Feb 18 - Sun, Feb 22
British Airways Logo
8:40 pm - 10:29 pm
DUB
-
ONT
33h 49m
2 stops
British Airways Logo
5:02 pm - 7:55 am
ONT
-
DUB
30h 53m
2 stops
$492British Airways
Tue, Feb 24 - Tue, Mar 3
Multiple Airlines Logo
1:30 pm - 9:34 pm
LIM
-
ONT
35h 04m
3 stops
Multiple Airlines Logo
8:40 am - 5:00 am
ONT
-
LIM
17h 20m
2 stops
$657Multiple Airlines
Thu, May 28 - Fri, Jun 12
British Airways Logo
10:55 am - 7:52 pm
AMS
-
ONT
17h 57m
1 stop
British Airways Logo
10:25 am - 8:40 am
ONT
-
AMS
13h 15m
1 stop
$793British Airways
Useful Info

Good to know

Low seasonJanuary
Cheapest flight$39
Best time to beat the crowds with an average 4% 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)