ICN - ONT

$545 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 10/20. 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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41,299,237 searches in the past 7 days on KAYAK

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Everything you should know

Cheapest round-trip
$876
United Airlines
Fri 7/3Sun 9/27
ICN - ONT • 1 stop
Cheapest one-way
$545
Typical prices: $411-$474
Multiple Airlines
Tue 10/20
ICN - ONT • 3 stops
Nonstop flights
Not available
There are currently no direct flights between Incheon and Ontario. You'll need at least 1 connection.
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Top layover airports
Cheapest • Avg $1,213 (round-trip)
Shortest trip • 16h 35m (one-way)
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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, Jul 3 - Sun, Sep 27
United Airlines Logo
11:30 am - 10:37 pm
ICN
-
ONT
27h 07m
1 stop
United Airlines Logo
5:00 am - 4:20 am
ONT
-
ICN
31h 20m
2 stops
$876United Airlines
Thu, Jul 2 - Mon, Aug 10
United Airlines Logo
11:30 am - 12:12 pm
ICN
-
ONT
16h 42m
1 stop
United Airlines Logo
6:00 am - 3:00 pm
ONT
-
ICN
17h 00m
1 stop
$885United Airlines
Thu, Jul 16 - Fri, Jul 31
United Airlines Logo
11:30 am - 12:12 pm
ICN
-
ONT
16h 42m
1 stop
United Airlines Logo
6:00 am - 3:00 pm
ONT
-
ICN
17h 00m
1 stop
$887United Airlines
Wed, Jul 15 - Wed, Jul 22
United Airlines Logo
4:50 pm - 10:37 pm
ICN
-
ONT
21h 47m
1 stop
United Airlines Logo
1:50 pm - 4:20 am
ONT
-
ICN
22h 30m
1 stop
$893United Airlines
Thu, Jul 16 - Mon, Jul 20
United Airlines Logo
4:50 pm - 10:37 pm
ICN
-
ONT
21h 47m
1 stop
United Airlines Logo
5:00 am - 4:20 am
ONT
-
ICN
31h 20m
2 stops
$894United Airlines
Thu, Jul 16 - Fri, Jul 31
United Airlines Logo
11:30 am - 12:12 pm
ICN
-
ONT
16h 42m
1 stop
United Airlines Logo
1:50 pm - 4:20 am
ONT
-
ICN
22h 30m
1 stop
$896United Airlines
Mon, Jun 22 - Mon, Jul 6
United Airlines Logo
11:30 am - 12:12 pm
ICN
-
ONT
16h 42m
1 stop
United Airlines Logo
6:00 am - 3:00 pm
ONT
-
ICN
17h 00m
1 stop
$900United Airlines
Tue, Sep 15 - Thu, Oct 15
United Airlines Logo
11:30 am - 8:01 pm
ICN
-
ONT
24h 31m
1 stop
United Airlines Logo
6:32 pm - 4:20 am
ONT
-
ICN
17h 48m
1 stop
$901United Airlines
Wed, Oct 21 - Mon, Dec 7
Asiana Airlines Logo
11:30 am - 10:03 am
ICN
-
ONT
14h 33m
1 stop
Asiana Airlines Logo
6:00 am - 4:15 pm
ONT
-
ICN
17h 15m
1 stop
$953Asiana Airlines
Thu, Nov 19 - Tue, Nov 24
United Airlines Logo
12:45 pm - 9:57 am
ICN
-
ONT
14h 12m
1 stop
United Airlines Logo
6:00 am - 4:15 pm
ONT
-
ICN
17h 15m
1 stop
$996United Airlines
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.

Which airlines provide the cheapest flights from Incheon to Ontario?

The cheapest round-trip price for the route for each airline clicked by KAYAK users in the last 5 days.

In the past 5 days, the cheapest round-trip tickets from Incheon to Ontario were found on United Airlines ($876) and Asiana Airlines ($953).

Good to know

Cheapest flight$545
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 5 days, the lowest price for a flight from Incheon Intl Airport to Ontario was $545 for a one-way ticket and $876 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