Which airlines fly direct between Seoul and San Francisco?

Airlines operating direct flights include Korean Air, Asiana Airlines, United Airlines, Alaska Airlines.

What is the cheapest fare for this route?

Recorded one-way fares on Prymeo start from as low as $599 depending on season and advance booking.

Home FlightsSeoul to San Francisco

Verified Route Guide

Flights from Seoul to San Francisco

Q: How long is the flight from Seoul to San Francisco?

The average nonstop flight time from Seoul (ICN) to San Francisco (SFO) is approximately 11h 20m covering a distance of 9086 km.

Incheon International (ICN) → San Francisco International (SFO)

Fares From$599

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Flight Time

11h 20m

Nonstop average

Distance

9086 km

Air route corridor

Best Time to Fly

Year-Round (Best rates booked 3-5 weeks ahead)

Pleasant weather

Extra Fees

$0.00

Zero commission

Route Overview: Seoul to San Francisco

Cheap flights from Seoul (ICN) to San Francisco (SFO). Compare Korean Air fares from $599 with 0% fees on Prymeo.

Prymeo aggregates real-time flight availability directly from both low-cost carriers and legacy full-service airlines. When searching for tickets between Incheon International and San Francisco International, our technology checks multiple booking systems in parallel so you never miss a flash sale or promotional discount.

Direct Carriers on This Corridor

Korean Air

Asiana Airlines

United Airlines

Alaska Airlines

Quick Flight Facts & Corridor Specifications

Live Verified Data

Route Corridor	Seoul (ICN) to San Francisco (SFO)
Flight Distance	9,086 kilometers / 5,646 miles
Average Flight Duration	11h 20m (nonstop)
Starting Fare	From $599 (0% added booking fees)
Operating Airlines	Korean Air, Asiana Airlines, United Airlines, Alaska Airlines
Optimal Travel Season	Year-Round (Best rates booked 3-5 weeks ahead)

Return Flight Route

San Francisco (SFO) to Seoul (ICN)

Nonstop return tickets from $599 · 0% booking markup

View Return Leg

Frequently Asked Questions About This Route

How long is the flight from Seoul to San Francisco?

The nonstop flight takes approximately 11h 20m, traversing 9086 km.

How far in advance should I book my flight?

For the best rates, we recommend booking between 3 to 6 weeks before your desired departure date, particularly during peak summer and holiday seasons.