$409 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 3/9. 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

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.

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

Wed, Mar 25 - Wed, Apr 8
United Airlines Logo
11:45 am - 5:41 pm
ICN
-
ONT
21h 56m
1 stop
United Airlines Logo
5:10 am - 4:20 am
ONT
-
ICN
31h 10m
2 stops
$503United Airlines
Thu, Apr 23 - Sat, May 2
United Airlines Logo
11:30 am - 9:56 am
ICN
-
ONT
14h 26m
1 stop
United Airlines Logo
6:59 pm - 4:20 am
ONT
-
ICN
17h 21m
1 stop
$508United Airlines
Sat, Mar 14 - Mon, Mar 16
United Airlines Logo
11:45 am - 12:18 pm
ICN
-
ONT
16h 33m
1 stop
United Airlines Logo
6:37 pm - 4:40 am
ONT
-
ICN
18h 03m
1 stop
$509United Airlines
Thu, May 21 - Wed, Jul 1
United Airlines Logo
4:50 pm - 10:37 pm
ICN
-
ONT
21h 47m
1 stop
United Airlines Logo
1:50 pm - 3:00 pm
ONT
-
ICN
33h 10m
1 stop
$515United Airlines
Thu, Mar 26 - Wed, Apr 8
Lufthansa Logo
11:45 am - 12:18 pm
ICN
-
ONT
16h 33m
1 stop
Lufthansa Logo
6:49 pm - 4:20 am
ONT
-
ICN
17h 31m
1 stop
$532Lufthansa
Fri, May 1 - Mon, May 4
Alaska Airlines Logo
7:35 pm - 11:59 pm
ICN
-
ONT
20h 24m
1 stop
Alaska Airlines Logo
6:00 am - 5:30 pm
ONT
-
ICN
19h 30m
1 stop
$626Alaska Airlines
Mon, Mar 30 - Mon, Apr 6
Multiple Airlines Logo
8:35 pm - 11:59 pm
ICN
-
ONT
19h 24m
1 stop
Multiple Airlines Logo
10:33 am - 6:35 pm
ONT
-
ICN
16h 02m
1 stop
$644Multiple Airlines
Wed, Apr 8 - Wed, Apr 29
Multiple Airlines Logo
8:35 pm - 11:59 pm
ICN
-
ONT
19h 24m
1 stop
Multiple Airlines Logo
6:00 am - 5:30 pm
ONT
-
ICN
19h 30m
1 stop
$660Multiple Airlines
Mon, Apr 20 - Mon, Apr 27
Delta Logo
7:00 pm - 10:37 pm
ICN
-
ONT
19h 37m
1 stop
Delta Logo
7:00 am - 4:50 pm
ONT
-
ICN
17h 50m
1 stop
$670Delta
Fri, May 1 - Tue, May 5
Delta Logo
4:30 pm - 5:15 pm
PUS
-
ONT
16h 45m
2 stops
Delta Logo
5:55 pm - 8:45 pm
ONT
-
PUS
34h 50m
2 stops
$1,033Delta
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$409
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 $58. On the other hand, the most expensive day to fly is Monday, where prices are $550 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.

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

    Each week there are around 549 direct flights from within South Korea to Ontario. The most common day for departures is Monday, with 15% 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