Title: CA $597 Cheap Flights from Seoul (ICN) to Ontario (ONT) - Expedia.ca

![Ontario showing night scenes and street scenes](https://images.trvl-media.com/place/2680/6f6cbfd1-6188-4a75-9ba7-05d8edf0fb1d.jpg?impolicy=fcrop&w=1200&h=500&q=medium)

Photo by Ontario Convention & Visitors Bureau / Jon Edwards.

![](https://images.trvl-media.com/place/2680/6f6cbfd1-6188-4a75-9ba7-05d8edf0fb1d.jpg?impolicy=fcrop&w=1200&h=500&q=medium)

# CA $597 Cheap Flights from Seoul (ICN) to Ontario (ONT)

[View CA $597 flight on Sat, May 23, 2026](https://expedia.ca/Flights-Search?trip=oneway&leg1=from:ICN,to:ONT,departure:23/05/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:596.20&airProductToken=AQptCjQI1YIBEgM4MDYYyGggsnEottuNAzDK4I0DOEdAAFgBagk2X2Vjb2ZsZXhyCEdMSTBJNlZHCjUI1YIBEgM1NTIYsnEgrpsBKK7njQMwjuiNAzhHQABYAWoJNl9lY29mbGV4cghHTEkwSTZWRxIKCAEQARgBKgJVQRgBIgQIARABKAIoAygEMAs) 

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

### Travellers

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InfantsYounger than 2

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

- ![](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:14/02/2026TANYT&leg2=from:ONT,to:ICN,departure:21/02/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"DL"}}])
- ![](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:14/02/2026TANYT&leg2=from:ONT,to:ICN,departure:21/02/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AS"}}])
- ![](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:14/02/2026TANYT&leg2=from:ONT,to:ICN,departure:21/02/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"UA"}}])
- ![](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:14/02/2026TANYT&leg2=from:ONT,to:ICN,departure:21/02/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"KE"}}])
- ![](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:14/02/2026TANYT&leg2=from:ONT,to:ICN,departure:21/02/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"CI"}}])
- ![](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:14/02/2026TANYT&leg2=from:ONT,to:ICN,departure:21/02/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"AA"}}])
- ![](https://forever.travel-assets.com/flex/flexmanager/images/2024/09/23/landing_airline_sq_logo_JL.svg)  
Japan Airlines  
[](https://www.expedia.ca/Flights-Search?leg1=from:ICN,to:ONT,departure:14/02/2026TANYT&leg2=from:ONT,to:ICN,departure:21/02/2026TANYT&trip=roundtrip&passengers=adults:1,children:0,infantinlap:N&mode=search&pageId=0&filters=[{"preferredAirlineFilterValue":{"carrierCode":"JL"}}])

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

Prices were available within the past 7 days and start at CA $597 for one-way flights and CA $877 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, Apr 23 - Wed, Apr 29

ICN

Seoul

ONT

Ontario

CA $877

Roundtrip

found 4 days ago

[](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:ICN,to:ONT,departure:23/04/2026TANYT&leg2=from:ONT,to:ICN,departure:29/04/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:877.00&airProductToken=AQpYCikIxJgBEgMxOTYYyGggkgEouI2LAzCXkosDOEVAAFgBcghYTFgwWkJFRAorCMSYARIENDA3MBiSASCumwEonZuLAzDFnIsDOEVAAVgBcghYTFgwWkJFRApYCisIxJgBEgQ0MDMxGK6bASCSASj314sDMKvZiwM4RUAAWAFyCFhMWDBaQkVECikIxJgBEgMxOTcYkgEgyGgo8OCLAzC25osDOEVAAVgBcghYTFgwWkJFRBIKCAEQARgBKgJETBgBIgQIARABKAIoAygEMAE)

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

Mon, Feb 2 - Sun, Feb 15

ICN

Seoul

ONT

Ontario

CA $882

Roundtrip

found 13 hours ago

[](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:ICN,to:ONT,departure:02/02/2026TANYT&leg2=from:ONT,to:ICN,departure:15/02/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:882.00&airProductToken=AQpYCikIxJgBEgMxOTYYyGggkgEo-YmEAzDgjoQDOEVAAFgBcghYTFgwWkJFRAorCMSYARIENDAyNxiSASCumwEo8JGEAzCUk4QDOEVAAVgBcghYTFgwWkJFRApYCisIxJgBEgQzNjk3GK6bASCSASiCooUDMLmjhQM4RUAAWAFyCFhMWDBaQkVECikIxJgBEgMxOTcYkgEgyGgorauFAzCCsYUDOEVAAVgBcghYTFgwWkJFRBIKCAEQARgBKgJETBgBIgQIARABKAIoAygEMAE)

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

Mon, Apr 27 - Sat, May 2

ICN

Seoul

ONT

Ontario

CA $941

Roundtrip

found 1 day ago

[](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:ICN,to:ONT,departure:27/04/2026TANYT&leg2=from:ONT,to:ICN,departure:02/05/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:940.70&airProductToken=AQpXCikIwaYBEgMxNzIYyGggkgEo27qLAzDCv4sDOE9AAFgBcghPTEZFODBNSwoqCMGmARIDNTkyGJIBIK6bASjZwIsDMP3BiwM4TkABWAFyCE9MRkU4ME1LClcKKgjBpgESAzYwNxiumwEgkgEojPSLAzC29YsDOFFAAFgBcghHTEZFODBNSwopCMGmARIDMTcxGJIBIMhoKNP3iwMwnv2LAzhHQAFYAXIIR0xGRTgwTUsSCggBEAEYASoCQVMYASIECAEQASgCKAMoBDAB)

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

Mon, Apr 20 - Fri, May 1

ICN

Seoul

ONT

Ontario

CA $948

Roundtrip

found 5 days ago

[](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:ICN,to:ONT,departure:20/04/2026TANYT&leg2=from:ONT,to:ICN,departure:01/05/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:948.00&airProductToken=AQpYCikIxJgBEgMxOTYYyGggkgEo2OuKAzC38IoDOEVAAFgBcghYTFgwWkJFRAorCMSYARIENDAzMRiSASCumwEoivGKAzCv8ooDOEVAAVgBcghYTFgwWkJFRApYCisIxJgBEgQzNjkwGK6bASCSASio6YsDMOPqiwM4RUAAWAFyCFhMVzBaQkVECikIxJgBEgMxOTcYkgEgyGgokOyLAzDW8YsDOEVAAVgBcghYTFcwWkJFRBIKCAEQARgBKgJETBgBIgQIARABKAIoAygEMAE)

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

Sun, Mar 1 - Sun, Mar 8

ICN

Seoul

ONT

Ontario

CA $953

Roundtrip

found 1 day ago

[](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:ICN,to:ONT,departure:01/03/2026TANYT&leg2=from:ONT,to:ICN,departure:08/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:953.00&airProductToken=AQpYCikIxJgBEgMxOTYYyGggkgEo2bmGAzDAvoYDOEVAAFgBcghYTFcwWkJFRAorCMSYARIENDAyNxiSASCumwEoy8GGAzDtwoYDOEVAAVgBcghYTFcwWkJFRApYCisIxJgBEgQ0MDcwGK6bASCSASiTjIcDMMGNhwM4RUAAWAFyCFhMWDBaQkVECikIxJgBEgMxOTcYkgEgyGgo15eHAzCinYcDOEVAAVgBcghYTFgwWkJFRBIKCAEQARgBKgJETBgBIgQIARABKAIoAygEMAE)

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

Tue, Apr 21 - Sun, May 3

ICN

Seoul

ONT

Ontario

CA $971

Roundtrip

found 5 days ago

[](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:ICN,to:ONT,departure:21/04/2026TANYT&leg2=from:ONT,to:ICN,departure:03/05/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:971.00&airProductToken=AQp9CkIIy4oBEgQ1MDE5GMhoIJIBKPj2igMw1_uKAzhRQABYAWoKRVlTVEFOREFSRHIIUUxYMFpCWUt6CgjEmAESBDUwMTkKNwjLigESBDMwNzAYkgEgrpsBKKr8igMwz_2KAzhRQAFYAWoKRVlTVEFOREFSRHIIUUxYMFpCWUsKbgo2CMSYARIEMjcwOBiumwEg8hIorP-LAzCagIwDOFhAAFgBaglNQUlORVhUUkFyCFhMWDBaQllLCjQIxJgBEgMxNzMY8hIgyGgoq4GMAzC8h4wDOFhAAVgBaglNQUlORVhUUkFyCFhMWDBaQllLEgoIARABGAEqAktFGAEiBAgBEAEoAigDKAQwAQ)

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

Mon, Feb 2 - Tue, Feb 10

ICN

Seoul

ONT

Ontario

CA $1,095

Roundtrip

found 3 days ago

[](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:ICN,to:ONT,departure:02/02/2026TANYT&leg2=from:ONT,to:ICN,departure:10/02/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1094.80&airProductToken=AQpYCikIxJgBEgMxOTYYyGggkgEo-YmEAzDgjoQDOEVAAFgBcghYTFgwWkJFRAorCMSYARIENDAyNxiSASCumwEo8JGEAzCUk4QDOEVAAVgBcghYTFgwWkJFRApYCisIxJgBEgQ0MDMxGK6bASCSASji6YQDMJvrhAM4RUAAWAFyCFRMWDBaQkVECikIxJgBEgMxOTcYkgEgyGgojfOEAzDi-IQDOEVAAVgBcghUTFgwWkJFRBIKCAEQARgBKgJETBgBIgQIARABKAIoAygEMAE)

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

Thu, Apr 2 - Tue, Apr 14

ICN

Seoul

ONT

Ontario

CA $1,096

Roundtrip

found 1 day ago

[](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:ICN,to:ONT,departure:02/04/2026TANYT&leg2=from:ONT,to:ICN,departure:14/04/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1095.50&airProductToken=AQpuCjQIxJgBEgMxOTYYyGggkgEomKGJAzD3pYkDOEVAAFgBaglNQUlOQkFTSUNyCFRMWDBaQkVECjYIxJgBEgQ0MDMxGJIBIK6bASjKpokDMO2niQM4RUABWAFqCU1BSU5CQVNJQ3IIVExYMFpCRUQKbgo2CMSYARIEMzY5MBiumwEgkgEoiKqKAzDDq4oDOEVAAFgBaglNQUlOQkFTSUNyCFhMWDBaQkVECjQIxJgBEgMxOTcYkgEgyGgo8KyKAzC2sooDOEVAAVgBaglNQUlOQkFTSUNyCFhMWDBaQkVEEgoIARABGAEqAkRMGAEiBAgBEAEoAigDKAQwAQ)

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

Mon, Mar 2 - Fri, Mar 6

ICN

Seoul

ONT

Ontario

CA $1,160

Roundtrip

found 4 days ago

[](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:ICN,to:ONT,departure:02/03/2026TANYT&leg2=from:ONT,to:ICN,departure:06/03/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1160.00&airProductToken=AQpYCikIxJgBEgMxOTYYyGggkgEo-cSGAzDgyYYDOEVAAFgBcghYTFgwWkJFRAorCMSYARIENDAzMRiSASCumwEog9SGAzCi1YYDOEVAAVgBcghYTFgwWkJFRApYCisIxJgBEgQzNjk3GK6bASCSASji94YDMJn5hgM4RUAAWAFyCFRMVzBaQkVECikIxJgBEgMxOTcYkgEgyGgokoGHAzDihocDOEVAAVgBcghUTFcwWkJFRBIKCAEQARgBKgJETBgBIgQIARABKAIoAygEMAE)

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

Wed, Nov 4 - Wed, Dec 23

ICN

Seoul

ONT

Ontario

CA $1,550

Roundtrip

found 1 day ago

[](https://expedia.ca/Flights-Search?trip=roundtrip&leg1=from:ICN,to:ONT,departure:04/11/2026TANYT&leg2=from:ONT,to:ICN,departure:23/12/2026TANYT&passengers=children:0,adults:1,seniors:0,infantinlap:N&mode=search&options=sortby:price&paandi=true&flp=mdl:flights-flex-module,price:1549.80&airProductToken=AQpOCiUIw5IBEgMxNjEYyGgg8yMokpycAzC8nZwDOE5AAFgBcgROTEtSCiUIw5IBEgIyNBjzIyCumwEo5aCcAzCSppwDOE5AAVgBcgROTEtSCk4KJQjDkgESAjIzGK6bASDzIyia0KADMIrXoAM4VEAAWAFyBFRMS1IKJQjDkgESAzE2MhjzIyDIaCjx26ADMIfdoAM4VEABWAFyBFRMS1ISCggBEAEYASoCQ0kYASIECAEQASgCKAMoBDAB)

__Flight from Seoul to Ontario (ICN - ONT) route information__
| Origin airport      | Incheon Intl.               |
| ------------------- | --------------------------- |
| Destination airport | Los Angeles - Ontario Intl. |
| Airlines serving    | Alaska Airlines, Delta      |
| Roundtrip price     | CA $877                     |
| Distance            | 9614 km                     |

## 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 $877 rising to CA $1,550\. 

Here are more money-saving tips: 

- Fly in April 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.

## Frequently asked questions

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

### 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)?

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

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

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

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

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

\*Available to Expedia members.