$341 Find Cheap Flights from San Francisco to Seoul - Compare and Save

These are the earliest and latest flight times available from San Francisco to Seoul:

• Earliest: departs at 10:20 am and lands at 11:19 pm
• Latest: departs at 11:45 pm and lands at 12:44 pm.

The flight takes about 12h 59m.

Four cabin classes are available on flights from San Francisco to Seoul:

• Economy Class
• Premium Economy Class
• Business Class
• First Class

Prices vary by airline.

A nonstop flight from San Francisco to Seoul takes 12h 59m, covering 5,615 miles.

Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

Round-trip flights from San Francisco to Seoul range from $694 to $1,181, with an average of $828 over the past 12 months. Anything below $694 counts as a good deal.

Last-minute fares on this route (booked within two weeks of departure) run 7% above the $828 route average. Book 7 weeks before departure for the lowest fares.

On this route, layover flights are cheaper than nonstop options on average. Layover fares average $636 round-trip via Manila Ninoy Aquino Intl (MNL), compared to $815 for nonstop.

There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $56–$100 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

Morning is the busiest departure period on San Francisco to Seoul flights, with 40% of flights leaving in that window. Night departures account for 40%, afternoon flights for 20%, and evening flights for 0%.

Asiana Airlines is the only airline on the San Francisco to Seoul route offering in-flight Wi-Fi. Pricing depends on fare class.

One-way fares from San Francisco to Seoul are currently lower than usual. Average one-way flight prices are about $372, which is 28% below the typical average for this route.

Since Seoul is served by multiple airports, car rental options and rates can vary depending on which one you fly into.
Near Incheon Intl Airport (ICN) — daily rates from around $12:

• WECAR
• Wheego
• Yesaway
• Alamo
• Enterprise Rent-A-Car

Near Seoul Gimpo Intl Airport (GMP) — daily rates from around $12:

• Wheego
• Yesaway
• Hi Rent
• Europcar
• Cartago Rent A Car

Flights from San Francisco to Seoul usually depart from San Francisco (SFO) and may arrive at several airports in Seoul area, including Seoul Gimpo Intl (GMP) and Incheon Intl (ICN).

One-stop flights from San Francisco to Seoul most commonly connect through:

• Vancouver Intl (YVR) - 35% of one-stop connections
• Seattle/Tacoma Intl (SEA) - 18% of one-stop connections
• Hong Kong Intl (HKG) - 11% of one-stop connections
• Taipei City Taiwan Taoyuan Intl (TPE) - 9% of one-stop connections

Yes. Flexible dates can save you up to 13% on flights from San Francisco to Seoul. Monday is the cheapest departure day at $797 round-trip on average, while Saturday is the most expensive at $910, a difference of $113.

KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

4 airlines operate flights between San Francisco and Seoul. The airlines offering nonstop flights on this route include:

• United Airlines
• Asiana Airlines
• Korean Air
• AIR PREMIA

Flying via Vancouver Intl (YVR) gives the shortest average 1-stop total travel time at 16h 02m, compared with 16h 54m via Tokyo Haneda (HND) and 17h 32m via Salt Lake City (SLC).

Seoul is 16 hours ahead of San Francisco (Korean Time vs Pacific Time). Plan for the time shift when scheduling connections or first-day activities.

Some of the most popular sights in Seoul are Dongdaemun Market and COEX Convention and Exhibition Center. These are among the most viewed places in Seoul on KAYAK.

Among airlines operating San Francisco to Seoul flights:

• AIR PREMIA: offers free seat selection
• United Airlines: offers extra legroom; offers free seat selection
• Asiana Airlines: offers free seat selection
• Korean Air: offers extra legroom; offers free seat selection
• Delta: offers free seat selection

Extra legroom and free seat selection availability depends on fare class and route.

Here are some options for this route, based on selected ticket types and cabin classes:

• AIR PREMIA: a cabin bag and a checked bag in Economy Class
• United Airlines: a cabin bag and a checked bag in Economy Class
• Asiana Airlines: a cabin bag and a checked bag in Economy Class

Bag allowance can vary by ticket type, cabin class, route and airline, so always check the fare details before booking.

Korean Air's baggage policies for passengers flying from San Francisco to Seoul include a checked baggage allowance based on the ticket class. Economy Saver passengers have an allowance of one checked bag weighing up to 23 kg (about 50.7 lbs), while Economy passengers excluding Saver have an allowance of two checked bags, each weighing up to 23 kg. Business class passengers usually have an allowance of two checked bags, each weighing up to 70 lbs.

From Incheon International Airport (ICN), travelers can take the Airport Railroad Express (AREX), which provides direct train service to major destinations in Seoul or use airport limousine buses to reach various locations within the city. Taxis and ride-hailing services are also available for a more personalized option.

Korean Air offers a range of entertainment options for passengers flying from San Francisco to Seoul. Travelers can enjoy a wide selection of movies, TV shows, and music through the in-flight entertainment system.

Korean Air has specific pet policies for passengers flying from San Francisco to Seoul. They allow pets to be transported as checked baggage or as cargo. For checked baggage, the maximum weight limit for pets and carriers combined is generally 99 lbs.