Cheap Flights from Incheon International Airport to Ontario (ONT) Find and Compare the Best Airline Deals | Skyticket

Departure Date

2025/9
Sun	Mon	Tue	Wed	Thu	Fri	Sat
	12,107	21,406	31,233	4Search	5907	6929
7866	81,043	9683	10646	11903	12892	131,033
14777	15755	16999	17651	18744	19613	20994
211,013	22645	23659	24607	25882	261,058	271,378
28995	291,048	301,013

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Return Date

2025/9
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Total Fares（Round-Trip/Economy）: USD /Per Person

* Displayed fare(s) may differ from the actual search result

Incheon－Ontario Airport
September Lowest Airfares
USD607

The airfare displayed above is for United Airlines

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Incheon－Ontario Airport
October Lowest Airfares
USD646

The airfare displayed above is for United Airlines

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Incheon－Ontario Airport
November Lowest Airfares
USD646

The airfare displayed above is for United Airlines

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Incheon－Ontario Airport
December Lowest Airfares
USD648

The airfare displayed above is for United Airlines

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Incheon－Ontario Airport
January Lowest Airfares
USD981

The airfare displayed above is for United Airlines

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Seoul－Ontario
Estimated Flight Time
12 Hours 04 Minutes
Seoul－Ontario
Number of Operating Airlines
11

Operating Airlines for Incheon－Ontario Airport Route
American Airlines

Air Canada

China Airlines

Delta Air Lines

Hawaiian Airlines

Japan Airlines

Korean Air

Klm Royal Dutch Airlines

Lufthansa German Airlines

Asiana Airlines

United Airlines

Other Destinations from:Seoul

Incheon－Philadelphia(PHL)
USD632〜
Incheon－Peoria(General Wayne A. Downing)
USD2,056〜
Incheon－Pensacola(PNS)
USD1,354〜
Incheon－Pasco (Washington)(Tri-Cities)
USD719〜
Incheon－Palm Springs(PSP)
USD645〜
* Fares vary in accordance to seat availability
Other Departures to: Ontario

Gimpo Airport－Ontario(ONT)
USD566〜
Gimhae Airport－Ontario(ONT)
USD939〜
Daegu Airport－Ontario(ONT)
USD1,086〜
Jeju Internaional Airport－Ontario(ONT)
USD2,117〜
* Fares vary in accordance to seat availability