How long does the flight from Seoul to San Francisco take?

Flight time from Seoul (ICN) to San Francisco (SFO) depends on routing, aircraft type, and whether the flight is direct or connecting. A direct flight typically reflects great-circle distance plus winds, while one-stop options can add several hours depending on the layover airport. Check the exact duration in the search results above, where we show block time per itinerary along with stop count.

Which airlines fly from Seoul to San Francisco?

Airline availability for ICN to SFO changes by season and sometimes week to week as carriers adjust capacity. Our search above pulls live schedules and returns the airlines currently selling this route, both direct and connecting. Codeshare and interline itineraries are included, so you may see results operated by one carrier but sold by another.

Are there direct flights from Seoul to San Francisco?

Direct (nonstop) availability on ICN to SFO varies by date, day of week, and season. Busy city pairs usually have multiple daily nonstops, while thinner routes may only have direct service a few days per week or only during peak seasons. Use our search above with flexible dates to see which days actually have nonstop options.

What is the cheapest month to fly from Seoul to San Francisco?

Prices on ICN to SFO shift with seasonality, school holidays, and major events at both ends. Our 12-month price calendar below the search results shows the lowest fare found per departure date, which makes it easy to spot the cheapest weeks at a glance. Flexibility of a few days around your target date often unlocks significantly lower fares.

Seoul to San Francisco flights

Direct and connecting flights from Seoul (ICN) to San Francisco (SFO). Compare airlines, aircraft, and fares.

Distance: 9,085 km (5,645 mi)
Flight time: ~11h 1m
Airlines: 3
Aircraft types: 5

Airlines flying ICN → SFO

Airline	Aircraft types	Observations
United Airlines	3	3
Korean Air	1	1
Asiana Airlines	1	1

Aircraft on this route

Boeing 787 — 1 operator
Boeing 787 — 1 operator
Airbus A350 — 1 operator
Boeing 777 — 1 operator
Boeing 777 — 1 operator

Airport details

Departure: Incheon International Airport (ICN)

City: Seoul
Country: KR
IATA / ICAO: ICN / RKSI

Arrival: San Francisco International Airport (SFO)

City: San Francisco
Country: US
IATA / ICAO: SFO / KSFO

Operating airlines

Korean Air (KE)
Asiana Airlines (OZ)
United Airlines (UA)
Air Premia (YP)

Distance: 9106 km. Duration: 645 minutes.

Other routes from Seoul

Other routes to San Francisco

Frequently asked questions

How many airlines fly ICN to SFO?

3 airlines operate the ICN to SFO route in our 90-day observed dataset.

What aircraft fly the ICN-SFO route?

The most commonly observed aircraft on ICN to SFO include: Boeing 787, Boeing 787, Airbus A350.

How long is the Seoul to San Francisco flight?

The estimated flight time from Seoul (ICN) to San Francisco (SFO) is approximately 11h 1m, based on a cruise speed of 850 km/h.

What's the distance from Seoul to San Francisco?

The great-circle distance from Seoul (ICN) to San Francisco (SFO) is approximately 9,085 km (5,645 miles).

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