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 have been direct. For those flights that do involve stops, the median number of stopovers observed was 1. This indicates that while direct options exist, connecting flights are also a common choice for travelers on this route.

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

A direct flight from Seoul to San Francisco typically takes about 10 hours and 45 minutes. For flights with one stop, the median travel time is considerably longer, averaging 17 hours and 30 minutes. The direct route covers a distance of approximately 9084 kilometers. Travelers should account for these differences in duration when planning their journey.

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

Historically, direct flights from Seoul to San Francisco typically cost about 9% more than connecting flights. The median price for a direct flight was $667, while connecting flights had a median price of $613. Direct flights constituted approximately 43% of the available options across the trailing quarter. This premium 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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RatePunk searches hundreds of travel sites at once for deals on flights to San Francisco

Prices updated 1 day ago

462 airlines compared

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Fares are subject to change and may not be available for all dates. (Data last updated Sep 15, 2026.)

Today’s best flight deals from Seoul to San Francisco

Explore current cheapest deals departing from Seoul to San Francisco

2026-11-01 – 2026-11-07
SEL - San Francisco
77% AI deal score
$729
$698
Round trip
2026-10-14 – 2026-10-21
SEL - San Francisco
74% AI deal score
$625
$720
Round trip
2026-10-17 – 2026-10-24
SEL - San Francisco
74% AI deal score
$622
$728
Round trip
2026-10-17 – 2026-10-31
SEL - San Francisco
76% AI deal score
$657
$738
Round trip
2026-10-17 – 2026-10-25
SEL - San Francisco
76% AI deal score
$664
$740
Round trip
2026-10-16 – 2026-10-23
SEL - San Francisco
74% AI deal score
$623
$741
Round trip
2026-11-08 – 2026-11-15
SEL - San Francisco
75% AI deal score
$734
$743
Round trip
2026-11-01 – 2026-11-15
SEL - San Francisco
75% AI deal score
$700
$743
Round trip
2026-09-26 – 2026-09-30
SEL - San Francisco
78% AI deal score
$823
$756
Round trip
2026-09-21 – 2026-09-30
SEL - San Francisco
75% AI deal score
$724
$756
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 favorable pricing environment. Only about 6% of recent fares were classified as a good price, suggesting that finding a low fare can be challenging.

When is the cheapest time to fly from Seoul to San Francisco? The data indicates that June is the most affordable month, with a median fare of $600. Following closely, May offers a median fare of $610, and February presents a median of $620. These months offer the best opportunities for finding lower prices on this route.

How long is the flight from Seoul to San Francisco? A typical journey, including connections, takes approximately 16h 0m. This is a long-haul route, covering a substantial distance of 9084 kilometers. Given that most itineraries connect at least once, this duration accounts for the additional time spent during layovers.

Most itineraries for this route are connecting, with only 32.2% of recent fares being non-stop. This means that if you fly from Seoul to San Francisco, you should expect to make at least one stopover on connecting flights. New deals for this route appear almost daily, suggesting frequent opportunities to find available flights, though many will involve connections.

How much is a round trip from Seoul to San Francisco

Regular price: $632 - $1,019

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 $632 and $1019. The current lowest deal is $699 with Air Premia, for travel from Nov 1-Nov 7.

now $699

Low $632

High $1,019

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

Air Premia

Last-minute flights going from Seoul to San Francisco

Wed, Sep 16

⌛ Last-Minute

ICN - San Francisco

Seoul (ICN) - San Francisco (SFO)

Air Premia

$865

$776

One-way

Wed, Sep 16

⌛ Last-Minute

ICN - San Francisco

Seoul (ICN) - San Francisco (SFO)

United Airlines

$938

$796

One-way

Wed, Sep 16

⌛ Last-Minute

ICN - San Francisco

Seoul (ICN) - San Francisco (SFO)

United Airlines

$944

$796

One-way

Wed, Sep 16

⌛ Last-Minute

ICN - San Francisco

Seoul (ICN) - San Francisco (SFO)

Air Premia

$955

$806

One-way

Thu, Sep 17

⌛ Last-Minute

ICN - San Francisco

Seoul (ICN) - San Francisco (SFO)

Air Canada

$958

$789

One-way

Fri, Sep 18

⌛ Last-Minute

ICN - San Francisco

Seoul (ICN) - San Francisco (SFO)

United Airlines

$859

$803

One-way

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

2 nights

Sep 16 - Sep 18

$955 → $763

20%

3 nights

Sep 16 - Sep 19

$944 → $763

19%

4 nights

Sep 17 - Sep 21

$958 → $789

18%

2 nights

Sep 19 - Sep 21

$950 → $796

16%

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.

📅 Best time to fly

Fly in June for prices around $600

Historically, the cheapest months to fly are June ($600), May ($610), and February ($620).

⏱️ Flight duration

Flights typically take 16h 0m

The median flight duration from Seoul to San Francisco is 16h 0m.

✈️ Airlines & availability

Connecting flights are dominant

32.2% of recent flights from Seoul to San Francisco are direct, with connecting flights dominant.

🏆 Airline highlight

Air Premia has direct flights

Air Premia offers direct flights from Seoul to San Francisco.

🎯 Booking tip

Deals appear frequently

Deals from Seoul to San Francisco appear frequently, so check often for good prices.

Seoul main airports to depart from

Incheon International (ICN)

Cheapest

Incheon International Airport is a good option for flights from Seoul to San Francisco.

📍 ~48 km from Seoul city center (reachable by car or train)

💸 Flights from ~$700

Gimpo International (GMP)

Gimpo International Airport serves flights from Seoul to San Francisco.

📍 ~17 km from Seoul city center (reachable by car or train)

💸 Flights from ~$1,038

San Francisco main airports to arrive at

San Francisco International (SFO)

Cheapest

San Francisco International Airport is a convenient arrival point for flights from Seoul.

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

💸 Flights from ~$706

Airports nearby San Francisco used as alternative

Oakland International (OAK)

Oakland International is a useful alternative, offering an extensive domestic network and direct BART rail connection.

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

💸 Flights from ~$990

Business & First Class Flight Deals to San Francisco

Discover luxury on the budget with premium cabin class on flights from Seoul to San Francisco.

Elite

Best Elite deals to San Francisco

Exclusive daily First Class, Business Class, and Premium Economy flight deals, refreshed every 24 hours.

From ICN

Elite

Oct 22

San Francisco, United States

83% AI deal score

$10,853

$8,959

Save $1,894

Korean Air, +1

Business Class

From ICN

Elite

Nov 07

San Francisco, United States

82% AI deal score

$10,419

$9,028

Save $1,391

Korean Air

Business Class

From ICN

Elite

Nov 04

San Francisco, United States

82% AI deal score

$11,419

$9,849

Save $1,570

Korean Air, +1

Business Class

From ICN

Elite

Oct 20

San Francisco, United States

82% AI deal score

$11,596

$9,916

Save $1,680

Korean Air, +1

Business Class

From ICN

Elite

Nov 20

San Francisco, United States

81% AI deal score

$10,296

$9,028

Save $1,268

Korean Air

Business Class

From ICN

Elite

Oct 03

San Francisco, United States

81% AI deal score

$10,587

$9,469

Save $1,118

Korean Air, +1

Business Class

From ICN

Elite

Sep 25

San Francisco, United States

81% AI deal score

$11,165

$9,933

Save $1,232

Korean Air, +1

Business Class

From ICN

Elite

Oct 02

San Francisco, United States

81% AI deal score

$11,460

$9,946

Save $1,514

Korean Air, +1

Business Class

From ICN

Elite

Nov 18

San Francisco, United States

81% AI deal score

$11,229

$9,954

Save $1,275

Korean Air, +1

Business Class

From ICN

Elite

Sep 21

San Francisco, United States

80% AI deal score

$10,320

$9,469

Save $851

Korean Air, +1

Business Class

From ICN

Elite

Oct 13

San Francisco, United States

80% AI deal score

$10,530

$9,469

Save $1,061

Korean Air, +1

Business Class

From ICN

Elite

Dec 28

San Francisco, United States

80% AI deal score

$10,465

$9,469

Save $996

Korean Air, +1

Business Class

Frequently Asked Questions About Flights to San Francisco

Historically, the best time to book flights from Seoul to San Francisco for the cheapest prices is typically 7-13 days before departure. During this window, the average price observed was $640. Booking within 0-6 days of departure saw an average price of $877, indicating that last-minute bookings tend to be more expensive. Prices across the trailing quarter show that booking too far in advance, such as 60+ days out, also resulted in a slightly higher average price of $682 compared to the optimal window.

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 was $764. Prices can vary, with 75% of observed prices being $1009 or less. Travelers aiming for a more economical fare should target prices at or below the $566 threshold.

Historically, the cheapest months to fly from Seoul to San Francisco include June, with a median price of $600, and May, with a median price of $610. February also offered competitive prices, with a median of $620. These months typically offer fares below the annual median price of $764 for this route. Travelers looking for more budget-friendly options should consider planning their trips during these times.

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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: $632 - $1,019

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 $632 and $1019. The current lowest deal is $699 with Air Premia, for travel from Nov 1-Nov 7.

now $699

Low $632

High $1,019

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

Air Premia

Last-minute flights going from Seoul to San Francisco

Wed, Sep 16

⌛ Last-Minute

ICN - San Francisco

Seoul (ICN) - San Francisco (SFO)

Air Premia

$865

$776

One-way

Wed, Sep 16

⌛ Last-Minute

ICN - San Francisco

Seoul (ICN) - San Francisco (SFO)

United Airlines

$938

$796

One-way

Wed, Sep 16

⌛ Last-Minute

ICN - San Francisco

Seoul (ICN) - San Francisco (SFO)

United Airlines

$944

$796

One-way

Wed, Sep 16

⌛ Last-Minute

ICN - San Francisco

Seoul (ICN) - San Francisco (SFO)

Air Premia

$955

$806

One-way

Thu, Sep 17

⌛ Last-Minute

ICN - San Francisco

Seoul (ICN) - San Francisco (SFO)

Air Canada

$958

$789

One-way

Fri, Sep 18

⌛ Last-Minute

ICN - San Francisco

Seoul (ICN) - San Francisco (SFO)

United Airlines

$859

$803

One-way

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

2 nights

Sep 16 - Sep 18

$955 → $763

20%

3 nights

Sep 16 - Sep 19

$944 → $763

19%

4 nights

Sep 17 - Sep 21

$958 → $789

18%

2 nights

Sep 19 - Sep 21

$950 → $796

16%

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.

📅 Best time to fly

Fly in June for prices around $600

Historically, the cheapest months to fly are June ($600), May ($610), and February ($620).

⏱️ Flight duration

Flights typically take 16h 0m

The median flight duration from Seoul to San Francisco is 16h 0m.

✈️ Airlines & availability

Connecting flights are dominant

32.2% of recent flights from Seoul to San Francisco are direct, with connecting flights dominant.

🏆 Airline highlight

Air Premia has direct flights

Air Premia offers direct flights from Seoul to San Francisco.

🎯 Booking tip

Deals appear frequently

Deals from Seoul to San Francisco appear frequently, so check often for good prices.

Seoul main airports to depart from

Incheon International (ICN)

Cheapest

Incheon International Airport is a good option for flights from Seoul to San Francisco.

📍 ~48 km from Seoul city center (reachable by car or train)

💸 Flights from ~$700

Gimpo International (GMP)

Gimpo International Airport serves flights from Seoul to San Francisco.

📍 ~17 km from Seoul city center (reachable by car or train)

💸 Flights from ~$1,038

San Francisco main airports to arrive at

San Francisco International (SFO)

Cheapest

San Francisco International Airport is a convenient arrival point for flights from Seoul.

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

💸 Flights from ~$706

Airports nearby San Francisco used as alternative

Oakland International (OAK)

Oakland International is a useful alternative, offering an extensive domestic network and direct BART rail connection.

San Francisco, United States

80% AI deal score

$10,465

$9,469

Save $996

Korean Air, +1

Business Class

Frequently Asked Questions About Flights to San Francisco

Cheap Flights from Seoul to San Francisco

Today’s best flight deals from Seoul to San Francisco

Seoul to San Francisco: Overview

Insights for flights from Seoul to San Francisco

How much is a round trip from Seoul to San Francisco

The cheapest time to fly from Seoul to San Francisco

Direct flights from Seoul to San Francisco

Last-minute flights going from Seoul to San Francisco

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

Popular Airports to fly from Seoul to San Francisco

Seoul - San Francisco route insights

Recent fares are above the typical level

Fly in June for prices around $600

Flights typically take 16h 0m

Connecting flights are dominant

Air Premia has direct flights

Deals appear frequently

Seoul main airports to depart from

San Francisco main airports to arrive at

Airports nearby San Francisco used as alternative

Business & First Class Flight Deals to San Francisco

Best Elite deals to San Francisco

Oct 22

Nov 07

Nov 04

Oct 20

Nov 20

Oct 03

Sep 25

Oct 02

Nov 18

Sep 21

Oct 13

Dec 28

Frequently Asked Questions About Flights to San Francisco

How early should I book Seoul to San Francisco flights to get the cheapest price?

What is a good price for a flight from Seoul to San Francisco?

Which months have the cheapest flights from Seoul to San Francisco?

Can I fly direct from Seoul to San Francisco?

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

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

Related routes

More routes from Seoul

Flights to San Francisco from other cities

Seoul to San Francisco: Overview

Insights for flights from Seoul to San Francisco

How much is a round trip from Seoul to San Francisco

The cheapest time to fly from Seoul to San Francisco

Direct flights from Seoul to San Francisco

Last-minute flights going from Seoul to San Francisco

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

Popular Airports to fly from Seoul to San Francisco

Seoul - San Francisco route insights

Recent fares are above the typical level

Fly in June for prices around $600

Flights typically take 16h 0m

Connecting flights are dominant

Air Premia has direct flights

Deals appear frequently

Seoul main airports to depart from

San Francisco main airports to arrive at

Airports nearby San Francisco used as alternative

Business & First Class Flight Deals to San Francisco

Best Elite deals to San Francisco

Oct 22

Nov 07

Nov 04

Oct 20

Nov 20

Oct 03

Sep 25

Oct 02

Nov 18

Sep 21

Oct 13

Dec 28

Frequently Asked Questions About Flights to San Francisco

How early should I book Seoul to San Francisco flights to get the cheapest price?

What is a good price for a flight from Seoul to San Francisco?

Which months have the cheapest flights from Seoul to San Francisco?