$422 Find Cheap Flights from South Korea 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 1/15. 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 deals on flights to Ontario

 
These are the airlines KAYAK users have selected most often from within our search results for flights to Ontario, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results for flights to Ontario, as well as popular online travel agencies
Travelers love KAYAK
41 299 237 searches in the past 7 days on KAYAK

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Everything you should know

Cheapest round-trip
$498
United Airlines
Mon 2/23Sat 2/28
ICN - ONT • 1 stop
Cheapest one-way
$422
Typical prices: $628-$1,437
United Airlines
Thu 1/15
ICN - ONT • 1 stop
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KAYAK searches 100s of sites at once to find you the best travel deals.
We hope you love your trip to Ontario!
Flight Deals
Booking Insights
Flight Deals

Cheap Flights from South Korea to Ontario

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from South Korea 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 flight deals from South Korea to Ontario

Mon, Feb 23 - Sat, Feb 28
United Airlines Logo
6:00 pm - 5:41 pm
ICN
-
ONT
16h 41m1 stop
United Airlines Logo
1:53 pm - 4:15 pm
ONT
-
ICN
33h 22m1 stop
$498United Airlines
Sun, Feb 22 - Thu, Feb 26
United Airlines Logo
12:45 pm - 12:38 pm
ICN
-
ONT
16h 53m1 stop
United Airlines Logo
6:37 pm - 5:40 am
ONT
-
ICN
18h 03m1 stop
$499United Airlines
Mon, Feb 23 - Sat, Feb 28
United Airlines Logo
12:45 pm - 8:50 pm
ICN
-
ONT
49h 05m2 stops
United Airlines Logo
1:45 pm - 4:15 pm
ONT
-
ICN
33h 30m2 stops
$500United Airlines
Mon, Feb 16 - Tue, Mar 3
Lufthansa Logo
12:45 pm - 7:54 pm
ICN
-
ONT
24h 09m1 stop
Lufthansa Logo
6:10 am - 4:15 pm
ONT
-
ICN
17h 05m1 stop
$509Lufthansa
Mon, Feb 16 - Tue, Mar 3
Lufthansa Logo
12:45 pm - 5:41 pm
ICN
-
ONT
21h 56m1 stop
Lufthansa Logo
6:10 am - 4:15 pm
ONT
-
ICN
17h 05m1 stop
$513Lufthansa
Mon, Feb 2 - Wed, Feb 25
Multiple Airlines Logo
8:35 pm - 11:56 pm
ICN
-
ONT
20h 21m1 stop
Multiple Airlines Logo
6:14 am - 6:35 pm
ONT
-
ICN
19h 21m1 stop
$566Multiple Airlines
Sun, Feb 8 - Sun, Feb 22
Korean Air Logo
8:45 am - 9:48 pm
PUS
-
ONT
30h 03m2 stops
Korean Air Logo
7:30 am - 7:35 pm
ONT
-
PUS
19h 05m2 stops
$977Korean Air
Mon, Jan 26 - Mon, Feb 9
China Airlines Logo
11:50 am - 4:50 pm
PUS
-
ONT
22h 00m1 stop
China Airlines Logo
10:50 pm - 6:50 pm
ONT
-
PUS
27h 00m1 stop
$1,125China Airlines
Mon, Jan 26 - Sat, Jan 31
China Airlines Logo
11:50 am - 4:50 pm
PUS
-
ONT
22h 00m1 stop
China Airlines Logo
10:50 pm - 6:50 pm
ONT
-
PUS
27h 00m1 stop
$1,188China Airlines
Mon, Apr 27 - Fri, May 8
Multiple Airlines Logo
7:55 am - 11:20 am
GMP
-
ONT
19h 25m2 stops
Multiple Airlines Logo
11:59 pm - 6:00 pm
ONT
-
GMP
26h 01m2 stops
$3,230Multiple Airlines
Booking Insights

KAYAK's insights & trends for flights to Ontario

Get data-powered insights and trends for flights to Ontario to help you find the cheapest flights, the best time to fly and much more.

What are the most popular airlines flying to Ontario?

The most popular airline among KAYAK users flying to Ontario is AIR PREMIA, followed by Asiana Airlines and Korean Air.

Good to know

Cheapest flight$422
Flight from Incheon to Ontario

FAQs - booking Ontario flights

  • How far is Ontario Airport from central Ontario?

    Central Ontario is 3 miles away from Ontario Airport.

  • What is the name of Ontario’s airport?

    There is only 1 airport in Ontario, called Ontario Airport (ONT). It can also be referred to as Ontario or Ontario Intl.

  • What is the cheapest day to fly to Ontario?

    Based on KAYAK data, the cheapest day to fly to Ontario is Thursday where tickets can be as cheap as $69. On the other hand, the most expensive day to fly is Saturday, where prices are $657 on average.

  • How does KAYAK find such low prices on flights 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 to Ontario.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket to Ontario?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Ontario is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights 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 with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight 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 up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

  • What is the cheapest time of day to fly to Ontario?

    The cheapest time of day to fly to Ontario is generally in the morning, when flights cost $938 on average. The most expensive time of day to fly to Ontario is generally in the morning, which is peak travel time and where the average cost of a ticket is $938.

  • How many direct flights to Ontario are there each week?

    Each week there are around 782 direct flights from within South Korea to Ontario. The most common day for departures is Monday, with 19% of flights taking off on this day.

Top tips for finding cheap flights to Ontario

  • Enter your preferred departure airport and travel dates into the search form above to unlock the latest Ontario flight deals.

Everything you need to know for your flight to Ontario

Information on the airport you'll fly into in Ontario