Can I fly direct from Seoul to San Francisco?

Yes, direct flights from Seoul to San Francisco are available. Historically, approximately 32.2% of flights on this route are direct. For flights that include stopovers, travelers typically experience one stop. This indicates a significant portion of the available flights offer a non-stop option for convenience.

How long does it take to fly from Seoul to San Francisco?

A direct flight from Seoul to San Francisco typically takes 10 hours and 45 minutes, covering a distance of 9084 kilometers. Flights with one stop, however, have a significantly longer median duration, averaging 17 hours and 30 minutes. Travelers should consider these differences when planning their journey to San Francisco.

How much more do direct flights from Seoul to San Francisco cost?

Historically, direct flights from Seoul to San Francisco are about 9% more expensive than connecting flights. The median price for a direct flight is $667, while connecting flights have a median price of $613. Direct flights account for approximately 43% of the available options. This price difference reflects the convenience of a non-stop journey.

Flights From Seoul

To San Francisco

Cheap Flights from Seoul to San Francisco

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Deals from

Seoul

RatePunk searches hundreds of travel sites at once for deals on flights to San Francisco

Prices updated 2 days ago

405 airlines compared

80%+ AI score for best value

Fares are subject to change and may not be available for all dates. (Data last updated Jul 26, 2026.)

Today’s best flight deals from Seoul to San Francisco

Explore current cheapest deals departing from Seoul to San Francisco

2026-09-06 – 2026-09-09
SEL - San Francisco
90% AI deal score
$759
$554
Round trip
2026-09-09 – 2026-09-12
SEL - San Francisco
90% AI deal score
$753
$554
Round trip
2026-09-05 – 2026-09-13
SEL - San Francisco
88% AI deal score
$691
$554
Round trip
2026-09-02 – 2026-09-19
SEL - San Francisco
88% AI deal score
$673
$554
Round trip
2026-09-13 – 2026-09-20
SEL - San Francisco
89% AI deal score
$724
$554
Round trip
2026-09-09 – 2026-09-13
SEL - San Francisco
90% AI deal score
$752
$554
Round trip
2026-09-11 – 2026-09-12
SEL - San Francisco
90% AI deal score
$759
$554
Round trip
2026-10-09 – 2026-10-31
SEL - San Francisco
80% AI deal score
$607
$554
Round trip
2026-10-18 – 2026-10-23
SEL - San Francisco
82% AI deal score
$663
$554
Round trip
2026-10-09 – 2026-10-26
SEL - San Francisco
81% AI deal score
$610
$554
Round trip

Seoul to San Francisco: Overview

Insights for flights from Seoul to San Francisco

For cheap flights from Seoul to San Francisco, fares typically range from $566 to $1009, with a median price of $764. Right now, current fares are significantly above the typical level, indicating a less opportune time for booking. Only 6% of recent fares were classified as a good price, suggesting that finding a deal requires careful timing.

When considering how long is the flight from Seoul to San Francisco, a typical journey including connections takes about 16h 0m. This duration reflects that most itineraries connect at least once, rather than being direct. For connecting flights, the median number of stopovers is 1.

The route from Seoul to San Francisco covers a distance of 9084 kilometers, classifying it as a long-haul journey. This substantial distance means that travel typically involves extended periods in the air.

To find the cheapest time to fly from Seoul to San Francisco, you should target June, which has a median fare of $600. May also offers competitive prices, with a median of $610, followed closely by February at $620. New deals for this route appear almost daily, so setting up a price alert can help you secure a better fare.

How much is a round trip from Seoul to San Francisco

Regular price: $528 - $956

Prices for flights from Seoul to San Francisco are currently within the regular range.

The regular price range for flights from Seoul to San Francisco is between $528 and $956. The current lowest deal is $551 with United Airlines, for travel from Oct 2-Oct 19.

now $551

Low $528

High $956

The cheapest time to fly from Seoul to San Francisco

The cheapest month to fly from Seoul to San Francisco is June, with a median price of $600. The most expensive month is March, with a median price of $799. Prices are generally lower from February to December.

June

Cheapest

Flights from $600

March

Most Expensive

Flights from $799

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Direct flights from Seoul to San Francisco

United Airlines

Last-minute flights going from Seoul to San Francisco

Sun, Aug 30

⌛ Last-Minute

ICN - San Francisco

Seoul (ICN) - San Francisco (SFO)

United Airlines

$1,041

$554

One-way

Wed, Sep 2

⌛ Last-Minute

ICN - San Francisco

Seoul (ICN) - San Francisco (SFO)

United Airlines

$674

$553

One-way

Wed, Sep 2

⌛ Last-Minute

ICN - San Francisco

Seoul (ICN) - San Francisco (SFO)

United Airlines

$684

$553

One-way

Wed, Sep 2

⌛ Last-Minute

ICN - San Francisco

Seoul (ICN) - San Francisco (SFO)

United Airlines

$692

$553

One-way

Wed, Sep 2

⌛ Last-Minute

ICN - San Francisco

Seoul (ICN) - San Francisco (SFO)

United Airlines

$687

$553

One-way

Fri, Sep 4

⌛ Last-Minute

ICN - San Francisco

Seoul (ICN) - San Francisco (SFO)

United Airlines

$673

$553

One-way

Biggest price drops on these dates for flights from Seoul to San Francisco

1 night

Aug 30 - Aug 31

$1,041 → $554

47%

1 night

Dec 26 - Dec 27

$938 → $553

41%

2 nights

Jan 29 - Jan 31

$937 → $553

41%

2 nights

Jan 25 - Jan 27

$931 → $553

41%

Popular Airports to fly from Seoul to San Francisco

Seoul - San Francisco route insights

💸 Price insights

Recent fares are above the typical level

Recent fares from Seoul to San Francisco are above the typical level at $551.

📅 Best time to fly

Fly in June for the best prices

Historically, June is the cheapest month to fly, with a median price of $600.

⏱️ Flight duration

Typically a 16h 0m flight

Flights from Seoul to San Francisco typically take 16h 0m.

✈️ Airlines & availability

Connecting flights are dominant

Only 32.2% of recent flights are direct, with connecting flights having 1 stopover.

🏆 Airline highlight

United Airlines offers direct flights

United Airlines is one of the carriers offering direct flights on this route.

🎯 Booking tip

Deals are frequent on this route

Deals for flights from Seoul to San Francisco are frequent, appearing often.

Seoul main airports to depart from

Incheon International (ICN)

Cheapest

Fly from Incheon International for a Seoul to San Francisco trip, offering a great value.

📍 ~50 km from Seoul (reachable by car, bus, or train)

💸 Flights from ~$817

Gimpo International (GMP)

Consider Gimpo International for your flight from Seoul to San Francisco.

📍 ~15 km from Seoul (reachable by car, bus, or train)

💸 Flights from ~$1097

San Francisco main airports to arrive at

San Francisco International (SFO)

Cheapest

San Francisco International Airport is a good option for travelers flying from Seoul to San Francisco.

📍 ~20 km from city center (reachable by car, bus, train)

💸 Flights from ~$817

Airports nearby San Francisco used as alternative

Oakland International (OAK)

Oakland International is a useful alternative with high flight frequency and direct public transit access to San Francisco.

📍 ~18 km from San Francisco (reachable by car)

💸 Flights from ~$1073

Business & First Class Flight Deals to San Francisco

83% AI deal score

$10,715

$8,939

Save $1,776

Frequently Asked Questions About Flights to San Francisco

Historically, the lowest prices for flights from Seoul to San Francisco are found when booking 7-13 days before departure. During this period, the average price is around $640. Booking 0-6 days out typically sees prices rise to about $877. For those planning further ahead, prices for flights booked 60 or more days in advance average around $682, indicating that waiting until closer to the departure date can often yield better value.

Across the trailing quarter, a good price for a flight from Seoul to San Francisco is considered to be $566 or less. The median price for this route historically stands at $764. Prices can go up to $1009 or more for the higher end of the market. Travelers aiming for the best value should target fares at or below the $566 threshold.

Historically, the cheapest months to fly from Seoul to San Francisco are June, May, and February. In June, the median price is around $600, while May sees a median price of $610. February also offers competitive pricing with a median of $620. These prices are notably lower than the annual median price of $764 for this route.

Related routes

More routes from Seoul

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Flights to San Francisco from other cities

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Seoul to San Francisco: Overview

Insights for flights from Seoul to San Francisco

How much is a round trip from Seoul to San Francisco

Regular price: $528 - $956

Prices for flights from Seoul to San Francisco are currently within the regular range.

The regular price range for flights from Seoul to San Francisco is between $528 and $956. The current lowest deal is $551 with United Airlines, for travel from Oct 2-Oct 19.

now $551

Low $528

High $956

The cheapest time to fly from Seoul to San Francisco

June

Cheapest

Flights from $600

March

Most Expensive

Flights from $799

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Direct flights from Seoul to San Francisco

United Airlines

Last-minute flights going from Seoul to San Francisco

Sun, Aug 30

⌛ Last-Minute

ICN - San Francisco

Seoul (ICN) - San Francisco (SFO)

United Airlines

$1,041

$554

One-way

Wed, Sep 2

⌛ Last-Minute

ICN - San Francisco

Seoul (ICN) - San Francisco (SFO)

United Airlines

$674

$553

One-way

Wed, Sep 2

⌛ Last-Minute

ICN - San Francisco

Seoul (ICN) - San Francisco (SFO)

United Airlines

$684

$553

One-way

Wed, Sep 2

⌛ Last-Minute

ICN - San Francisco

Seoul (ICN) - San Francisco (SFO)

United Airlines

$692

$553

One-way

Wed, Sep 2

⌛ Last-Minute

ICN - San Francisco

Seoul (ICN) - San Francisco (SFO)

United Airlines

$687

$553

One-way

Fri, Sep 4

⌛ Last-Minute

ICN - San Francisco

Seoul (ICN) - San Francisco (SFO)

United Airlines

$673

$553

One-way

Biggest price drops on these dates for flights from Seoul to San Francisco

1 night

Aug 30 - Aug 31

$1,041 → $554

47%

1 night

Dec 26 - Dec 27

$938 → $553

41%

2 nights

Jan 29 - Jan 31

$937 → $553

41%

2 nights

Jan 25 - Jan 27

$931 → $553

41%

Popular Airports to fly from Seoul to San Francisco