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Flights from Seoul to Ontario
There are no direct flights from Seoul to Ontario. The fastest way is one stop via San Francisco or Seattle, about 13h 00m door to door (30 connections a week on current schedules).
No direct flights · 6 connection options From 13h 00m
Seoul to Ontario at a glance
Fastest journey13h 00mVia San Francisco, on current schedules
Nonstop flightsNoneConnect via San Francisco or Seattle
Best ways to fly from Seoul to Ontario
Ranked by how easy the connection is: one airline or alliance first (bags and connection protected), then the quickest self-transfer options.
1Search
SEL San Francisco (SFO) ONT
Leg 1: Air Premia, Asiana Airlines, Korean Air · Leg 2: Frontier Airlines, United Airlines
Mon21:15 SEL15:41 SFO1h 19m connection17:00 SFO18:15 ONTAsiana Airlines + United Airlines
2Search
SEL Seattle (SEA) ONT
Leg 1: Alaska Airlines, Asiana Airlines, Delta Air Lines · Leg 2: Alaska Airlines, Frontier Airlines, SkyWest
Sun21:45 SEL15:23 SEA2h 22m connection17:45 SEA20:12 ONTAsiana Airlines + Alaska Airlines
3Search
SEL Honolulu (HNL) ONT
Leg 1: Air Premia, Korean Air · Leg 2: Alaska Airlines, Southwest Airlines
Wed22:30 SEL11:54 HNL2h 06m connection14:00 HNL22:09 ONTAir Premia + Alaska Airlines
4Search
SEL Dallas (DFW) ONT
Leg 1: American Airlines, Korean Air · Leg 2: American Airlines, Frontier Airlines
Tue10:00 SEL08:35 DFW2h 10m connection10:45 DFW11:34 ONTKorean Air + American Airlines
5Search
SEL Salt Lake City (SLC) ONT
Leg 1: Delta Air Lines · Leg 2: Delta Air Lines, SkyWest
Tue19:30 SEL15:00 SLC8h 00m connection23:00 SLC23:38 ONTDelta Air Lines
6Search
SEL Taipei (TPE) ONT
Leg 1: Asiana Airlines, China Airlines, Eastar Jet · Leg 2: China Airlines, Starlux Airlines
Connections are computed from flights actually flown over the last 8 weeks, with at least 45 minutes to change on one airline and 2 hours on separate tickets. Times are local. The search shows live itineraries and exact times.
Good to know
- Distance
- 9,626 km5,978 miles
- Journey time
- 13h 00mon current schedules
- Time difference
- -17hOntario vs Seoul
- Currency in Ontario
- USD
- Airports
- ICN, GMP → ONT
Flights from Seoul to Ontario: questions answered
Are there direct flights from Seoul to Ontario?
No. There is no nonstop service, so you will connect, most easily in San Francisco, Seattle and Honolulu. Some connections are on one airline or alliance, so your bags and connection are protected on a single ticket.
How long is the flight from Seoul to Ontario?
With one connection the journey usually takes around 13h 00m, depending on the layover. The straight-line distance is 9,626 km.
Where do you change planes between Seoul and Ontario?
The best connecting points are San Francisco (SFO), Seattle (SEA), Honolulu (HNL) and Dallas (DFW). Air Premia flies both legs via San Francisco, so you can book it as one ticket.
Which airports serve Seoul and Ontario?
Seoul: Incheon International Airport (ICN) and Seoul Gimpo International Airport (GMP). Ontario: Ontario International Airport (ONT).
What is the time difference between Seoul and Ontario?
Ontario is 17 hours behind Seoul.
