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Flights from Ontario to Seoul
There are no direct flights from Ontario to Seoul. The fastest way is one stop via Las Vegas or Seattle, about 16h 09m door to door (44 connections a week on current schedules).
No direct flights · 6 connection options From 15h 28m Prices checked 13 days ago
Ontario to Seoul at a glance
Cheapest returnUS$1,060Fri 6 Nov – Wed 11 NovFastest journey15h 28mVia Las Vegas, on current schedules
Nonstop flightsNoneConnect via Las Vegas or Seattle
Best ways to fly from Ontario to Seoul
Ranked by how easy the connection is: one airline or alliance first (bags and connection protected), then the quickest self-transfer options.
1Search
ONT Las Vegas (LAS) SEL
Leg 1: Frontier Airlines, Southwest Airlines · Leg 2: Korean Air
Sun20:30 ONT21:24 LAS2h 21m connection23:45 LAS04:39 SELFrontier Airlines + Korean Air
2Search
ONT Seattle (SEA) SEL
Leg 1: Alaska Airlines, Frontier Airlines, SkyWest · Leg 2: Alaska Airlines, Asiana Airlines, Delta Air Lines
Sun19:45 ONT22:11 SEA2h 04m connection00:15 SEA04:00 SELAlaska Airlines + Asiana Airlines
3Search
ONT San Francisco (SFO) SEL
Leg 1: Frontier Airlines, United Airlines · Leg 2: Air Premia, Asiana Airlines, Korean Air
Fri19:30 ONT20:42 SFO3h 03m connection23:45 SFO04:06 SELUnited Airlines + Asiana Airlines
4Search
ONT Taipei (TPE) SEL
Leg 1: China Airlines, Starlux Airlines · Leg 2: Asiana Airlines, China Airlines, Eastar Jet
Sat23:45 ONT04:22 TPE3h 38m connection08:00 TPE11:22 SELStarlux Airlines + China Airlines
5Search
ONT Dallas (DFW) SEL
Leg 1: American Airlines, Frontier Airlines · Leg 2: American Airlines, Korean Air
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
- 15h 28mon current schedules
- Time difference
- +17hSeoul vs Ontario
- Currency in Seoul
- KRW
- Airports
- ONT → ICN, GMP
Flights from Ontario to Seoul: questions answered
Are there direct flights from Ontario to Seoul?
No. There is no nonstop service, so you will connect, most easily in Las Vegas, Seattle and San Francisco. 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 Ontario to Seoul?
With one connection the journey usually takes around 15h 28m, depending on the layover. The straight-line distance is 9,626 km.
Where do you change planes between Ontario and Seoul?
The best connecting points are Las Vegas (LAS), Seattle (SEA), San Francisco (SFO) and Taipei (TPE). Compare one-ticket itineraries with self-transfer options in the search.
Which airports serve Ontario and Seoul?
Ontario: Ontario International Airport (ONT). Seoul: Incheon International Airport (ICN) and Seoul Gimpo International Airport (GMP).
What is the time difference between Ontario and Seoul?
Seoul is 17 hours ahead of Ontario.
