Title: CA $716 Cheap Flights from Seoul (ICN) to Ontario (ONT) - Expedia.ca

  

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# CA $716 Cheap Flights from Seoul (ICN) to Ontario (ONT)

[View CA $716 flight on Thu, Apr 2, 2026](https://expedia.ca/Flights-Search?trip=oneway&leg1=from:ICN,to:ONT,departure:02/04/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:715.40&airProductToken=AQpYCioIwaYBEgQ4NDcyGMhoIJIBKPehiQMwyqaJAzhRQABYAXIIUUxGRU8wTUsKKgjBpgESAzQ4ORiSASCumwEomamJAzCyqokDOFFAAVgBcghRTEZFTzBNSxIKCAEQARgBKgJBUxgBIgQIARABKAIoAygEMAE)

-   [Roundtrip](?flightType=roundtrip)
-   [One-way](?flightType=oneway)
-   [Multi-city](?flightType=multicity)

### Travellers

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## Popular airlines from Incheon Intl. Airport (ICN) to Los Angeles - Ontario Intl. Airport (ONT)

-   ![Delta](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_DL.svg)
    
    Delta
    
    [](https://www.expedia.ca/Flights-Search?leg1=from:icn,to:ont,departure:16/10/2025TANYT&leg2=from:ont,to:icn,departure:23/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"DL"}}])
-   ![United](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_UA.svg)
    
    United
    
    [](https://www.expedia.ca/Flights-Search?leg1=from:icn,to:ont,departure:16/10/2025TANYT&leg2=from:ont,to:icn,departure:23/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"UA"}}])
-   ![Korean Air](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_KE.svg)
    
    Korean Air
    
    [](https://www.expedia.ca/Flights-Search?leg1=from:icn,to:ont,departure:16/10/2025TANYT&leg2=from:ont,to:icn,departure:23/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"KE"}}])
-   ![Alaska Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AS.svg)
    
    Alaska Airlines
    
    [](https://www.expedia.ca/Flights-Search?leg1=from:icn,to:ont,departure:16/10/2025TANYT&leg2=from:ont,to:icn,departure:23/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AS"}}])
-   ![China Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_CI.svg)
    
    China Airlines
    
    [](https://www.expedia.ca/Flights-Search?leg1=from:icn,to:ont,departure:16/10/2025TANYT&leg2=from:ont,to:icn,departure:23/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"CI"}}])
-   ![American Airlines](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AA.svg)
    
    American Airlines
    
    [](https://www.expedia.ca/Flights-Search?leg1=from:icn,to:ont,departure:16/10/2025TANYT&leg2=from:ont,to:icn,departure:23/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AA"}}])
-   ![Air Canada](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_AC.svg)
    
    Air Canada
    
    [](https://www.expedia.ca/Flights-Search?leg1=from:icn,to:ont,departure:16/10/2025TANYT&leg2=from:ont,to:icn,departure:23/10/2025TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AC"}}])

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## Cheap flights from Seoul (ICN) to Ontario (ONT)

Prices were available within the past 7 days and start at CA $716 for one-way flights and CA $826 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

All deals

One way

Roundtrip

![Delta](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/DL.gif)

Thu, Dec 25 - Tue, Jan 6

ICN

Seoul

ONT

Ontario

CA $826

Roundtrip

found 1 day ago

[](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:ICN,to:ONT,departure:25/12/2025TANYT&leg2=from:ONT,to:ICN,departure:06/01/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:825.30&airProductToken=AQpYCikIxJgBEgMxOTYYyGggkgEomdOAAzCA2IADOEVAAFgBcghYTFgwWkJFRAorCMSYARIEMzgzNBiSASCumwEoxtiAAzDk2YADOEVAAVgBcghYTFgwWkJFRApYCisIxJgBEgQ0MDMxGK6bASCSASig4IEDMNThgQM4RUAAWAFyCFhMWDBaQkVECikIxJgBEgMxOTcYkgEgyGgoremBAzCC74EDOEVAAVgBcghYTFgwWkJFRBIKCAEQARgBKgJETBgBIgQIARABKAIoAygEMAE)

![Delta](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/DL.gif)

Mon, Nov 3 - Mon, Nov 10

ICN

Seoul

ONT

Ontario

CA $827

Roundtrip

found 5 days ago

[](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:ICN,to:ONT,departure:03/11/2025TANYT&leg2=from:ONT,to:ICN,departure:10/11/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:826.20&airProductToken=AQpYCikIxJgBEgMxOTYYyGggkgEomYr8AjCAj_wCOEVAAFgBcghYTFgwWkJFRAorCMSYARIENDAyNxiSASCumwEoi5L8AjCxk_wCOEVAAVgBcghYTFgwWkJFRApYCisIxJgBEgQ0MDQyGK6bASCSASjV2vwCMI3c_AI4RUAAWAFyCFhMWDBaQkVECikIxJgBEgMxOTcYkgEgyGgo49z8AjDC4vwCOEVAAVgBcghYTFgwWkJFRBIKCAEQARgBKgJETBgBIgQIARABKAIoAygEMAE)

![Delta](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/DL.gif)

Fri, Feb 20 - Sat, Feb 28

ICN

Seoul

ONT

Ontario

CA $880

Roundtrip

found 14 hours ago

[](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:ICN,to:ONT,departure:20/02/2026TANYT&leg2=from:ONT,to:ICN,departure:28/02/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:879.50&airProductToken=AQpXCikIxJgBEgMxNzIYyGgg8hIooNSFAzDD2YUDOEVAAFgBcghYTFgwWkJFRAoqCMSYARIDNDc1GPISIK6bASib44UDMJLkhQM4RUABWAFyCFhMWDBaQkVEClgKKwjEmAESBDQwMzEYrpsBIJIBKMC0hgMw9LWGAzhFQABYAXIIWExYMFpCRUQKKQjEmAESAzE5NxiSASDIaCjSvYYDMKLDhgM4RUABWAFyCFhMWDBaQkVEEgoIARABGAEqAkRMGAEiBAgBEAEoAigDKAQwAQ)

![Delta](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/DL.gif)

Mon, Oct 13 - Mon, Oct 20

ICN

Seoul

ONT

Ontario

CA $926

Roundtrip

found 2 days ago

[](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:ICN,to:ONT,departure:13/10/2025TANYT&leg2=from:ONT,to:ICN,departure:20/10/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:925.40&airProductToken=AQpuCjQIxJgBEgMxNzIYyGgg8hIo4J36AjCDo_oCOFhAAFgBaglNQUlORVhUUkFyCFhMWDBaQllLCjYIxJgBEgQxNzg2GPISIK6bASiarPoCMIKt-gI4WEABWAFqCU1BSU5FWFRSQXIIWExYMFpCWUsKbgo2CMSYARIENDAzMRiumwEgkgEokvP6AjDF9PoCOFhAAFgBaglNQUlORVhUUkFyCFhMWDBaQllLCjQIxJgBEgMxOTcYkgEgyGgo4_v6AjDCgfsCOFhAAVgBaglNQUlORVhUUkFyCFhMWDBaQllLEgoIARABGAEqAkRMGAEiBAgBEAEoAigDKAQwAQ)

![Delta](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/DL.gif)

Thu, Feb 19 - Sat, Feb 28

ICN

Seoul

ONT

Ontario

CA $954

Roundtrip

found 15 hours ago

[](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:ICN,to:ONT,departure:19/02/2026TANYT&leg2=from:ONT,to:ICN,departure:28/02/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:953.50&airProductToken=AQpYCikIxJgBEgMxOTYYyGggkgEomcmFAzCAzoUDOEVAAFgBcghYTFgwWkJFRAorCMSYARIENDAyNxiSASCumwEoi9GFAzCu0oUDOEVAAVgBcghYTFgwWkJFRApYCisIxJgBEgQyNzA4GK6bASDyEijor4YDMNiwhgM4RUAAWAFyCFhMVzBaQkVECikIxJgBEgMxNzMY8hIgyGgo2LGGAzD4t4YDOEVAAVgBcghYTFcwWkJFRBIKCAEQARgBKgJETBgBIgQIARABKAIoAygEMAE)

![Delta](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/DL.gif)

Tue, Nov 11 - Tue, Nov 18

ICN

Seoul

ONT

Ontario

CA $1,025

Roundtrip

found 2 days ago

[](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:ICN,to:ONT,departure:11/11/2025TANYT&leg2=from:ONT,to:ICN,departure:18/11/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1024.40&airProductToken=AQpuCjQIxJgBEgMxNzIYyGgg8hIogOT8AjCj6fwCOEVAAFgBaglNQUlOQkFTSUNyCFhMWDBaQkVECjYIxJgBEgQxODk2GPISIK6bASj28vwCMOLz_AI4RUABWAFqCU1BSU5CQVNJQ3IIWExYMFpCRUQKbgo2CMSYARIENDAzMRiumwEgkgEo7bn9AjCiu_0COEVAAFgBaglNQUlOQkFTSUNyCFRMWDBaQkVECjQIxJgBEgMxOTcYkgEgyGgog8L9AjDix_0COEVAAVgBaglNQUlOQkFTSUNyCFRMWDBaQkVEEgoIARABGAEqAkRMGAEiBAgBEAEoAigDKAQwAQ)

![Delta](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/DL.gif)

Thu, Oct 9 - Wed, Oct 22

ICN

Seoul

ONT

Ontario

CA $1,054

Roundtrip

found 12 hours ago

[](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:ICN,to:ONT,departure:09/10/2025TANYT&leg2=from:ONT,to:ICN,departure:22/10/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1053.50&airProductToken=AQpYCikIxJgBEgMxOTYYyGggkgEozPD5AjCu9fkCOEVAAFgBcghYTFgwWkJFRAorCMSYARIENDAyNxiSASCumwEor_j5AjDV-fkCOEVAAVgBcghYTFgwWkJFRApYCisIxJgBEgQ0MDQyGK6bASCSASjrhPsCMJ-G-wI4RUAAWAFyCFRMWDBaQkVECikIxJgBEgMxOTcYkgEgyGgog4f7AjDijPsCOEVAAVgBcghUTFgwWkJFRBIKCAEQARgBKgJETBgBIgQIARABKAIoAygEMAE)

![Delta](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/DL.gif)

Thu, Feb 12 - Mon, Feb 16

ICN

Seoul

ONT

Ontario

CA $1,099

Roundtrip

found 2 days ago

[](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:ICN,to:ONT,departure:12/02/2026TANYT&leg2=from:ONT,to:ICN,departure:16/02/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1098.30&airProductToken=AQpYCikIxJgBEgMxOTYYyGggkgEoufqEAzCg_4QDOEVAAFgBcghUS1gwWkJFRAorCMSYARIENDAyNxiSASCumwEoq4KFAzDOg4UDOEVAAVgBcghUS1gwWkJFRApYCisIxJgBEgQ0MDMxGK6bASCSASjArYUDMPSuhQM4RUAAWAFyCFhLWDBaQkVECikIxJgBEgMxOTcYkgEgyGgozbaFAzCivIUDOEVAAVgBcghYS1gwWkJFRBIKCAEQARgBKgJETBgBIgQIARABKAIoAygEMAE)

![Delta](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/DL.gif)

Sun, Oct 19 - Tue, Oct 21

ICN

Seoul

ONT

Ontario

CA $1,100

Roundtrip

found 5 days ago

[](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:ICN,to:ONT,departure:19/10/2025TANYT&leg2=from:ONT,to:ICN,departure:21/10/2025TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1099.20&airProductToken=AQpYCikIxJgBEgMxOTYYyGggkgEojOH6AjDu5foCOEVAAFgBcghYTFcwWkJFRAorCMSYARIENDA5NhiSASCumwEo0-76AjCA8PoCOEVAAVgBcghYTFcwWkJFRApYCisIxJgBEgQ0MDMxGK6bASCSASiy_voCMOX_-gI4RUAAWAFyCFRMWDBaQkVECikIxJgBEgMxOTcYkgEgyGgog4f7AjDijPsCOEVAAVgBcghUTFgwWkJFRBIKCAEQARgBKgJETBgBIgQIARABKAIoAygEMAE)

![China Airlines](//images.trvl-media.com/media/content/expus/graphics/static_content/fusion/v0.1b/images/airlines/CI.gif)

Sat, Mar 21 - Sat, Apr 11

ICN

Seoul

ONT

Ontario

CA $1,185

Roundtrip

found 1 day ago

[](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:ICN,to:ONT,departure:21/03/2026TANYT&leg2=from:ONT,to:ICN,departure:11/04/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1184.80&airProductToken=AQpQCiYIw5IBEgMxNjMYyGgg8yMo45qIAzCSnIgDOE5AAFgBcgVOTFBLUgomCMOSARICMjQY8yMgrpsBKIWniAMwsqyIAzhOQAFYAXIFTkxQS1IKUAomCMOSARICMjMYrpsBIPMjKI6FigMw24uKAzhOQABYAXIFTkxQS1IKJgjDkgESAzE2MBjzIyDIaCjsjIoDMIeOigM4TkABWAFyBU5MUEtSEgoIARABGAEqAkNJGAEiBAgBEAEoAigDKAQwAQ)

## Frequently asked questions

### How much is a flight from ICN to Ontario Airport?

> Round-trip journeys from Incheon Airport to Ontario Airport start from CA $826. This is based on fares advertised within the last 7 days on Expedia for flights departing within the next year — book now to avoid missing out. Prices and availability are subject to change. Additional terms apply.

### Do I need to pay a cancellation fee if I cancel my flight from Incheon Intl. Airport (ICN) to Los Angeles - Ontario Intl. Airport (ONT)?

> Most flights can be conveniently cancelled online, but whether or not you are charged a fee depends on your airline. If you do need to cancel your getaway, follow the easy instructions in the [Customer Service Portal](https://www.expedia.ca/helpcenter).

### How do I find cheap flights from Incheon Airport to Los Angeles - Ontario Intl. Airport (ONT) that have flexible change policies?

> Plenty of airlines offer the option to reschedule your flight at no extra charge. All you pay is the fare difference. When looking for Incheon Airport to Ontario Airport flights, you'll see a "No change fees" box for you to pick.

### How many hours is the flight from Incheon Airport to Los Angeles - Ontario Intl. Airport (ONT)?

> Averaging 14 hours and 39 minutes, the journey from Incheon Airport to Ontario Airport is a long one. To make your in-flight experience more comfortable, remember to bring a good travel pillow and some noise-cancelling earplugs.

### How far is the flight from Incheon Intl. Airport (ICN) to Los Angeles - Ontario Intl. Airport (ONT)?

> With a flight distance of 9,700 kilometres from Incheon Intl. Airport (ICN) (ICN) to Ontario Airport (ONT), this is a long-haul journey. Remember to keep well hydrated and go for a short walk down the aisle from time to time.

### Which airlines fly direct from Incheon Intl. Airport (ICN) to ONT?

> Unfortunately, there are no airlines that directly fly between Incheon Airport and ONT. You'll need to book a flight with at least one stop.

### Are ICN to Los Angeles - Ontario Intl. Airport (ONT) flight tickets cheaper when they're purchased at the last minute?

> Booking your trip from Incheon Intl. Airport (ICN) to Los Angeles - Ontario Intl. Airport (ONT) last minute could be your ticket to a fantastic deal. However, it might cost you a whole lot more! If you'd prefer not to take the risk, book well ahead of your departure date. In fact, Expedia has some of the best bargains as far ahead as 12 months in advance. If your preferred air carrier hasn't released tickets yet, check back regularly as deals are updated on Expedia all the time.

## Travel information

| Origin airport | Incheon Intl. |
| --- | --- |
| Destination airport | Los Angeles - Ontario Intl. |
| Airlines serving | Delta |
| Roundtrip price | CA $825 |
| Distance | 9614 km |

## Book with confidence

### Incheon to Los Angeles Flights

**The easy way to book your flights from Seoul to Ontario** 

With Expedia, it’s simple to find and book flights to Ontario from Seoul whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 20 airlines that cover this route. There are nonstop flights to Los Angeles - Ontario Intl., too.  

Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Seoul to Ontario today, tomorrow, or this week.  

**Save dollars with cheap flights from Incheon Intl., ICN to Los Angeles - Ontario Intl., ONT** 

Sort your search results by price to find great deals on your flight from Seoul to Ontario—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Ontario from Seoul currently is just CA $826 rising to CA $2,227.  

Here are more money-saving tips: 

-   Fly in December when flight prices are normally at their lowest 
-   Book about a month to 6 weeks before you travel for the best prices to Ontario  
-   Avoid peak season and weekends when flights can cost more
-   Early morning and late-night flights are sometimes cheaper, so try varying your travel times 
-   One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! 

**Reasons to choose Expedia for your flight to Ontario from Seoul** 

Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Ontario with Expedia today.

\*Available to Expedia members.