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Flights from Seoul to Ontario – Airlines & connecting routes

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ICN to ONT flights and routes map ICN to ONT – All flight route options from Incheon International Airport, South Korea to Ontario International Airport, California, USA. These flights are operated by 8 different airlines through 4 different connections. The shortest flight time is 15 hours and 12 minutes. See the full flight schedule and time table, including departure times, airlines and stopover details to find the best option for you.

From
To
Republic of Korea ICN Incheon Airport Seoul, Republic of Korea
USA ONT Ontario Airport, CA, USA
ICN
Incheon Airport
Republic of KoreaSeoul, Republic of Korea
Ontario Airport
USAOntario, CA, USA
ONT
No direct flights found
7 routes with 1 stop found »
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1 stop route options with the same airline:

Duration

Via Seattle SEA
1 stop with Delta Air Lines. 1-2 flights per day.

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16h 36m

Via Seattle SEA
1 stop with Delta Air Lines.
16h 36m
1-2 flights per day.
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Via San Francisco SFO
1 stop with United Airlines. 2 flights per day.

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16h 43m

Via San Francisco SFO
1 stop with United Airlines.
16h 43m
2 flights per day.
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Via Honolulu HNL
1 stop with Hawaiian Airlines. 0-1 flights per day.

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17h 30m

Via Honolulu HNL
1 stop with Hawaiian Airlines.
17h 30m
0-1 flights per day.
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1 stop route options with codeshare or different airlines:

Duration

Via Seattle SEA With Delta Air Lines & Alaska Airlines 0-1 flights per day.

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15h 12m

Via Seattle SEA
15h 12m
With Delta Air Lines & Alaska Airlines 0-1 flights per day.
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Via San Francisco SFO With Delta Air Lines & United Airlines
Begins in 2/12
CODESHARE

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15h 40m

Begins in 2/12
Via San Francisco SFO
15h 40m
With Delta Air Lines & United Airlines
Begins in 2/12
CODESHARE
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Via Honolulu HNL With Delta Air Lines & Hawaiian Airlines
CODESHARE

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17h 35m

Via Honolulu HNL
17h 35m
With Delta Air Lines & Hawaiian Airlines
CODESHARE
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Via Taipei TPE 1 stop with China Airlines.
CODESHARE

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17h 50m

Via Taipei TPE
17h 50m
1 stop with China Airlines.
CODESHARE
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Seoul to Ontario flights

With over 136 flights every week and 4 different airlines you have a wide range of options. While flying to Ontario from Seoul you will be doing a stopover in Seattle, San Francisco or any other of the 4 alternatives with flight connections.

Are there any non-stop flights from ICN to ONT?

There are no direct or non-stop flights from Incheon International Airport, ICN to Ontario International Airport, ONT.

Tip! You can also fly to Ontario from Gimpo (GMP).

Seoul to Ontario with Delta Air Lines

If you fly from Seoul with Delta Air Lines you will do a stopover in Seattle, SEA before reaching Ontario. This flight trip will take 16 hours and 36 minutes and you can fly every weekday with departures at 19:20 or 20:05. Delta Air Lines is a member of SkyTeam.

Distance & flight times: Incheon International Airport to Ontario International Airport

The shortest flight time between ICN and ONT is 15 hours and 12 minutes.

ViaTotal flight timeLayover timeDistance
SEA Seattle15h 12m2h 24m6194 miles (9966 km)
SFO San Francisco15h 40m3h 35m6041 miles (9720 km)
HNL Honolulu17h 35m4h 45m7208 miles (11598 km)
TPE Taipei17h 50m3h 20m7770 miles (12502 km)
The flight times and layover times in the table above are approximate and may vary depending on flight number, aircraft, airline, weather, and time of day.ICN-ONT flight routesSeoul to Ontario flight routes illustrated on a map.
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Seoul - Ontario route map and flight paths
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Show all destinations from ICN Show all destinations from ONT
From Seoul to USA

Below is a list of other destinations to USA from Incheon International Airport with either direct flights or 1 stop connections.

From South Korea to Ontario

Below is a list of other cities in South Korea with flights to Ontario with either non-stop or connecting flights.

The fastest way to fly from Seoul (ICN) to Ontario (ONT) is via Seattle and it will take about 15 hours and 12 minutes. The second fastest route is via San Francisco and will take 15 hours and 40 minutes.

You can fly with Delta Air Lines, Alaska Airlines, United Airlines, Hawaiian Airlines or China Airlines from Seoul to Ontario.

The flight time between Incheon Airport (ICN) and Ontario International Airport (ONT) via Seattle Tacoma International, SEA is 15 hours and 12 minutes.

No. But you can still purchase a 1 stop flight via Seattle, San Francisco or any other route to Ontario (ONT).

A codeshare agreement means that cooperating airlines are able to sell seats on each other’s flights. This means that you are able to travel to more destinations than your airline of choice normally offers. Codeshare flights are also beneficial because of the seamless transits you can get with connecting flights from the same airline. The downside of choosing a codeshare flight can be that you in some cases can’t upgrade codeshare flights or use elite benefits.

A connecting or transit flight means that you reach your final destination through two or more flights – in other words a non-direct flight. You will change to a new aircraft after your first flight, this may include moving to another terminal at the airport aswell. The time required to transfer passengers and luggage between flights is called Minimum Connecting Time (MCT) and are always taken into account here on Flightroutes.com.

If you bought your whole flight on a single ticket, the airline will book you on the next available connecting flight.

With connecting flights, checked in luggage is most commonly forwarded to your final destination when buying a single ticket for both flights.

If you miss your connecting flight due to circumstances outside your control such as your first flight being delayed, you should turn to your airline who will provide you with a seat on the next available flight. This is usually done free of charge, and only applies if you purchased your trip as one ticket. If the next connecting flight is the following day, the airline usually provides accommodation and meals.
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