$399 Find Cheap Flights from Seoul Incheon Airport to San Francisco - Compare and Save

Business travelers at San Francisco Airport can take advantage of the free workstations and power outlets to finish work. Since these stations have slow charging outlets, you can head to Terminals 1 and 3 for rapid charging at a cost. Additionally, make use of the services available at the Trip Tell Business Center located in the international terminal's main hall.

When flying on this route, passengers can fly with a direct flight or connecting flights. Various airlines offer direct flights. They include Delta, Asiana Airlines, Korean Air, Thai Airways, Singapore Airlines, and United Airlines. For those who prefer layovers, you can fly with Cathay Pacific with a stop at Hong Kong International Airport or EVA air with a stop at Taiwan Taoyuan International Airport.

If you arrive early at Seoul Incheon Airport, you can relax and unwind at the observation deck. Watch planes landing and taking off as you sip your drink. The best observation spots are available on the third floor of Terminal 1 and the fifth floor of Terminal 2. The Terminal 2 deck also features a lounge, briefing, and public relations zones.

For recreational activities, Seoul Incheon Airport has a skating rink on the landside of the transportation center. In addition, there is a golf course at the international business course. Additional recreational activities are available at the Sky Garden in the southeast quadrant of the airport.

Among airlines operating Incheon Intl Airport to San Francisco 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 extra legroom; offers free seat selection

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

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

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

Flights from Incheon Intl Airport to San Francisco usually depart from Incheon Intl (ICN) and arrive at San Francisco (SFO).

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 travelers should check the fare details before booking.

Four cabin classes are available on flights from Incheon Intl Airport to San Francisco:

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

Prices vary by airline.

On this route, layover flights are cheaper than nonstop options on average. Layover fares average $443 round-trip via Vancouver Intl (YVR), compared to $692 for nonstop.

There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $57–$57 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

The Boeing 787-9 Dreamliner family is used most often on this route, operated mainly by AIR PREMIA and United Airlines. Other aircraft seen on the route include Boeing 787-10 Dreamliner variants.

One-stop flights from Incheon Intl Airport to San Francisco most commonly connect through:

• Vancouver Intl (YVR) - 56% of one-stop connections
• Seattle/Tacoma Intl (SEA) - 40% of one-stop connections
• Taipei City Taiwan Taoyuan Intl (TPE) - 3% of one-stop connections
• Manila Ninoy Aquino Intl (MNL) - 1% of one-stop connections

Vancouver Intl (YVR) handles the largest share of one-stop connections on this route.

Yes. Being flexible with your travel dates can save you up to 29% on the Incheon Intl Airport to San Francisco route. Tuesday is the cheapest departure day at $600 round-trip on average, while Thursday is the most expensive at $839, a difference of $239. KAYAK's flexible dates feature shows options up to 3 days before and after your selected dates, making it easier to compare nearby fares.

A flight is considered delayed when it departs 15 minutes or more after its scheduled time. This is the standard used by the US Department of Transportation and most airline industry reporting. On the Incheon Intl Airport to San Francisco route, 18% of flights were delayed in the past 3 months, with delays averaging 2 hours 8 minutes.

Afternoon is the busiest departure period on Incheon Intl Airport to San Francisco flights, with 40% of flights leaving in that window. Morning departures account for 20%, evening flights for 20%, and night flights for 20%.

Some of the most popular sights in San Francisco are Fisherman's Wharf, Union Square and Moscone Center. These are among the most viewed places in San Francisco on KAYAK.

These are the earliest and latest flight times available from Incheon Intl Airport to San Francisco:

• Earliest: departs at 11:30 am and lands at 10:11 pm
• Latest: departs at 9:00 pm and lands at 7:41 am.

The flight takes about 10h 41m.

Last-minute fares on this route - booked within 2 weeks of departure - run 14% above the route average of $642. Book 11 weeks before departure for the lowest fares.

A nonstop flight from Incheon Intl Airport to San Francisco takes 10h 41m, covering 5,642 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.

One-way fares from Incheon Intl Airport to San Francisco are currently lower than usual. Average one-way flight prices are about $443, which is 15% below the typical average for this route.

United Airlines is slightly above the route average for timely arrivals, while AIR PREMIA has a lower on-time arrival rate. On-time arrival rates on Incheon Intl Airport to San Francisco flights are:

• United Airlines: 91% on time
• AIR PREMIA: 88% on time
• Korean Air: 80% on time

Overall, flights on this route are on time 82% of the time on average.

Morning flights have the fewest delays on this route. Delays tend to pile up throughout the day as one late flight pushes the next, so earlier departures are usually more reliable.

Flying via Honolulu (HNL) gives the shortest average 1-stop total travel time at 16h 47m, compared with 16h 59m via Taipei City Taiwan Taoyuan Intl (TPE) and 17h 10m via Vancouver Intl (YVR).

San Francisco is 16 hours behind Incheon Intl Airport (Pacific Time vs Korean Time). Plan for the time shift when scheduling connections or first-day activities.

San Francisco Airport (SFO) hosts 5 major car rental companies, with daily rates starting from around $15 for economy cars. Top options include:
• Thrifty
• Europcar
• Dollar
• Hertz
• Fox

Round-trip flights from Incheon Intl Airport to San Francisco range from $492 to $950, with an average of $642 over the past 12 months. Anything below $492 counts as a good deal.

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