$473 Cheap Flights from Seoul (GMP) to San Francisco (SFO)

View $473 flight on Sun, Sep 28, 2025Opens in a new window

Popular airlines from Gimpo Intl. Airport (GMP) to San Francisco Intl. Airport (SFO)

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Cheap Flights from Seoul to San Francisco (GMP-SFO)

Prices were available within the past 7 days and start at $473 for one-way flights and $597 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Jeju Air
Mon, Nov 10 - Wed, Nov 26
GMP
Seoul
SFO
San Francisco
$597 Roundtrip, found 3 days ago
$597
Roundtrip
found 3 days ago
Select Jeju Air flight, departing Mon, Nov 10 from Seoul to San Francisco, returning Wed, Nov 26, priced at $597 found 3 days ago
Jeju Air
Mon, Nov 10 - Wed, Nov 26
GMP
Seoul
SFO
San Francisco
$704 Roundtrip, found 3 days ago
$704
Roundtrip
found 3 days ago
Select Jeju Air flight, departing Mon, Nov 10 from Seoul to San Francisco, returning Wed, Nov 26, priced at $704 found 3 days ago
All Nippon Airways
Mon, Dec 8 - Thu, Jan 8
GMP
Seoul
SFO
San Francisco
$929 Roundtrip, found 8 hours ago
$929
Roundtrip
found 8 hours ago
Select All Nippon Airways flight, departing Mon, Dec 8 from Seoul to San Francisco, returning Thu, Jan 8, priced at $929 found 8 hours ago
All Nippon Airways
Mon, Feb 16 - Tue, Feb 24
GMP
Seoul
SFO
San Francisco
$934 Roundtrip, found 5 days ago
$934
Roundtrip
found 5 days ago
Select All Nippon Airways flight, departing Mon, Feb 16 from Seoul to San Francisco, returning Tue, Feb 24, priced at $934 found 5 days ago
All Nippon Airways
Thu, Oct 23 - Mon, Oct 27
GMP
Seoul
SFO
San Francisco
$937 Roundtrip, found 3 hours ago
$937
Roundtrip
found 3 hours ago
Select All Nippon Airways flight, departing Thu, Oct 23 from Seoul to San Francisco, returning Mon, Oct 27, priced at $937 found 3 hours ago
All Nippon Airways
Thu, Dec 18 - Mon, Dec 29
GMP
Seoul
SFO
San Francisco
$938 Roundtrip, found 5 days ago
$938
Roundtrip
found 5 days ago
Select All Nippon Airways flight, departing Thu, Dec 18 from Seoul to San Francisco, returning Mon, Dec 29, priced at $938 found 5 days ago
All Nippon Airways
Wed, Feb 11 - Wed, Feb 18
GMP
Seoul
SFO
San Francisco
$940 Roundtrip, found 3 days ago
$940
Roundtrip
found 3 days ago
Select All Nippon Airways flight, departing Wed, Feb 11 from Seoul to San Francisco, returning Wed, Feb 18, priced at $940 found 3 days ago
Japan Airlines
Thu, Oct 9 - Wed, Nov 5
GMP
Seoul
SFO
San Francisco
$1,102 Roundtrip, found 9 hours ago
$1,102
Roundtrip
found 9 hours ago
Select Japan Airlines flight, departing Thu, Oct 9 from Seoul to San Francisco, returning Wed, Nov 5, priced at $1,102 found 9 hours ago
Air China
Sat, Dec 27 - Sat, Jan 3
GMP
Seoul
SFO
San Francisco
$1,327 Roundtrip, found 6 hours ago
$1,327
Roundtrip
found 6 hours ago
Select Air China flight, departing Sat, Dec 27 from Seoul to San Francisco, returning Sat, Jan 3, priced at $1,327 found 6 hours ago
China Southern Airlines
Sat, Oct 18 - Wed, Oct 22
GMP
Seoul
SFO
San Francisco
$2,187 Roundtrip, found 5 days ago
$2,187
Roundtrip
found 5 days ago
Select China Southern Airlines flight, departing Sat, Oct 18 from Seoul to San Francisco, returning Wed, Oct 22, priced at $2,187 found 5 days ago

Frequently asked questions

How much does a flight from Gimpo Intl. Airport (GMP) to San Francisco Intl. Airport (SFO) cost?
Lock in a cheap one-way flight from $473 or cheap return flight from $597 from Gimpo Intl. Airport (GMP) to San Francisco Intl. Airport (SFO) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Gimpo Intl. Airport (GMP) to San Francisco Intl. Airport (SFO)?
November is the cheapest month to fly from GMP to SFO. Avoiding peak travel times is often the key to landing a great deal.
Which airlines fly direct from Gimpo Intl. Airport (GMP) to San Francisco Intl. Airport (SFO)?
There are no direct flights from Seoul (GMP-Gimpo Intl.) to San Francisco Intl. Airport (SFO). However, you'll find other airports that have nonstop flights. Board your plane at Incheon Intl. Airport (ICN) and travel straight to San Francisco without layovers.
What is the cheapest airline that flies from Gimpo Intl. Airport (GMP) to San Francisco Intl. Airport (SFO)?
To find the cheapest airline that'll fly you from GMP to SFO, use Expedia's filter tool. Customize your search based on your travel needs, such as preferred carriers and number of stops. You can then sort your results by "Price (lowest to highest)" to list the most affordable options first.
How many flights per day from Gimpo Intl. Airport (GMP) to San Francisco Intl. Airport (SFO)?
There are no daily direct flights from Gimpo Intl. Airport (GMP) to San Francisco Intl. Airport (SFO). But you can book flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be on your way in no time.
What day of the week has the most flights from GMP to SFO?
Usually you'll find the greatest selection of flight options on a Friday. Tuesdays are often the quietest.* But this can vary based on the season, airline and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Gimpo Intl. Airport (GMP) to San Francisco Intl. Airport (SFO)?
To arrive at San Francisco Intl. Airport (SFO) without delays, select a flight that leaves Gimpo Intl. Airport (GMP) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this time.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Gimpo Intl. Airport (GMP) to San Francisco Intl. Airport (SFO) last-minute?
Booking your ticket from GMP to SFO shortly before your getaway is typically more expensive. But if there's some wiggle room with your travel dates and times, you could grab a cheap last-minute fare.
Is it cheaper to book a GMP to SFO flight and hotel package?
Opting for a GMP to SFO flight and hotel package is generally cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels in one place. Choose from our extensive range of hotels and then add activities, flights and car rentals to your booking. Bundle it all together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Gimpo Intl. Airport (GMP) to San Francisco Intl. Airport (SFO)?
If you reserved your GMP to SFO flight within the last 24 hours, you may be able to cancel or modify it without any fees. Depending on the airline and the type of fare you purchased, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal for further details.

Travel information

Travel information

Origin airport
Gimpo Intl.
Destination airport
San Francisco Intl.
Airlines serving
Air China, All Nippon Airways, China Southern Airlines, Japan Airlines
Roundtrip price
$597
Distance
5626 mi

Book with confidence

Book with confidence

Seoul to San Francisco Flights

The cheapest times to fly from Seoul to San Francisco

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Seoul to San Francisco are during the month of November. You can find some of the cheapest flights from Seoul to San Francisco with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Seoul to San Francisco

Sunday is one of the best days to book for cheap flights from Seoul to San Francisco: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Seoul to San Francisco

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Seoul to San Francisco in 2025. You can also book with separate airlines for your outbound and return journeys, from $473 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Seoul to San Francisco flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Seoul to San Francisco airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Seoul to San Francisco Flights

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*Available to One Key members.