ICN - ONT

$407 Find Cheap Flights from Incheon 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 from Incheon to Ontario departing on 12/15. 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 in flight searches from Incheon to Ontario, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Incheon to Ontario, as well as popular online travel agencies
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Everything you should know

Cheapest round-trip
$448
United Airlines
Fri 1/16Mon 1/26
ICN - ONT • 2 stops
Cheapest one-way
$407
Typical prices: $421-$587
United Airlines
Mon 12/15
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 Incheon to Ontario (ICN-ONT)

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

Fri, Jan 16 - Mon, Jan 26
United Airlines Logo
6:00 pm - 12:47 pmICN-ONT
35h 47m2 stops
United Airlines Logo
1:53 pm - 5:40 amONT-ICN
22h 47m1 stop
$448United Airlines
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Mon, Feb 2 - Sat, Feb 28
Hawaiian Airlines Logo
8:35 pm - 11:56 pmICN-ONT
20h 21m1 stop
Hawaiian Airlines Logo
6:14 am - 6:35 pmONT-ICN
19h 21m1 stop
$472Hawaiian Airlines
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Sun, Mar 15 - Fri, Mar 20
Hawaiian Airlines Logo
8:35 pm - 11:32 pmICN-ONT
18h 57m1 stop
Hawaiian Airlines Logo
6:55 pm - 6:35 pmONT-ICN
31h 40m1 stop
$479Hawaiian Airlines
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Wed, Dec 17 - Wed, Jan 14
United Airlines Logo
12:45 pm - 8:42 pmICN-ONT
24h 57m2 stops
United Airlines Logo
6:00 am - 4:15 pmONT-ICN
17h 15m1 stop
$496United Airlines
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Fri, Jan 16 - Sun, Jan 25
United Airlines Logo
6:00 pm - 12:47 pmICN-ONT
35h 47m2 stops
United Airlines Logo
5:05 am - 5:40 amONT-ICN
31h 35m2 stops
$504United Airlines
Find Deal
Mon, Mar 23 - Mon, Mar 30
Hawaiian Airlines Logo
8:35 pm - 10:38 pmICN-ONT
18h 03m1 stop
Hawaiian Airlines Logo
6:00 am - 6:35 pmONT-ICN
20h 35m1 stop
$519Hawaiian Airlines
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Mon, Mar 23 - Mon, Apr 13
Hawaiian Airlines Logo
8:35 pm - 10:53 amICN-ONT
30h 18m1 stop
Hawaiian Airlines Logo
6:00 am - 6:35 pmONT-ICN
20h 35m1 stop
$523Hawaiian Airlines
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Wed, Feb 4 - Mon, Feb 16
United Airlines Logo
12:45 pm - 12:47 pmICN-ONT
41h 02m2 stops
United Airlines Logo
5:00 am - 5:40 amONT-ICN
31h 40m2 stops
$524United Airlines
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Fri, Mar 13 - Sat, Mar 21
Alaska Airlines Logo
8:35 pm - 11:32 pmICN-ONT
18h 57m1 stop
Alaska Airlines Logo
6:00 am - 6:35 pmONT-ICN
20h 35m1 stop
$531Alaska Airlines
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Sun, Jan 25 - Mon, Feb 9
Lufthansa Logo
6:00 pm - 10:53 pmICN-ONT
21h 53m1 stop
Lufthansa Logo
6:00 am - 4:15 pmONT-ICN
17h 15m1 stop
$533Lufthansa
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Booking Insights

KAYAK's insights & trends for Incheon to Ontario flights

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

What’s the cheapest day of the week to fly from Incheon to Ontario?

The average price of all round-trip flights from Incheon Intl Airport to Ontario clicked on KAYAK for each day over the last 12 months.

For Incheon to Ontario, Friday is the cheapest day to fly on average and Wednesday is the most expensive. Flying from Ontario back to Incheon, the best deals are generally found on Friday, with Saturday being the most expensive.

Find deals

Good to know

Cheapest flight$407
Flight from Incheon to Ontario

When to book flights from Incheon to Ontario

Are your dates flexible? Find out the best times to travel from Incheon to Ontario based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking Incheon to Ontario flights

  • What is the cheapest flight from Incheon Intl Airport to Ontario?

    In the last 3 days, the lowest price for a flight from Incheon Intl Airport to Ontario was $407 for a one-way ticket and $448 for a round-trip.

  • Do I need a passport to fly between Incheon and Ontario?

    Yes, you’ll need a passport to travel to Ontario from Incheon.

  • Which airports will I be using when flying from Incheon to Ontario?

    On your way to Ontario, you’ll fly out from Incheon Intl. You’ll be landing at Ontario.

  • Which aircraft models fly most regularly from Incheon to Ontario?

    We unfortunately don’t have that data for this specific route.

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

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Ontario from Incheon 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 Incheon 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 Incheon with another airline. Booking your flights between Incheon and ONT can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Incheon 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 Incheon 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 from Incheon to Ontario

Information on your arrival and departure airports

Incheon (ICN)
Ontario (ONT)