$434 Find Cheap Flights from Seoul Incheon Airport to San Francisco - Compare and Save

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

• Earliest: departs at 11:45 am and lands at 10:23 pm
• Latest: departs at 9:00 pm and lands at 7:38 am.

The flight takes about 10h 38m.

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.

A nonstop flight from Incheon Intl Airport to San Francisco takes 10h 38m, 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.

Round-trip flights from Incheon Intl Airport to San Francisco range from $531 to $971, with an average of $729 over the past 12 months. Anything below $531 counts as a good deal.

Last-minute fares on this route (booked within two weeks of departure) run 4% above the $729 route average. Book 11 weeks before departure for the lowest fares.

On this route, layover flights are cheaper than nonstop options on average. Layover fares average $498 round-trip via Vancouver Intl (YVR), compared to $766 for nonstop.

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: 91% on time
• Korean Air: 82% on time

Overall, flights on this route are punctual 83% of the time on average.

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.

Afternoon is the busiest departure period on Incheon Intl Airport to San Francisco flights, with 40% of flights leaving in that window. Evening departures account for 40%, night flights for 20%, and morning flights for 0%.

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.

One-way fares from Incheon Intl Airport to San Francisco are currently lower than usual. Average one-way flight prices are about $460, which is 14% below the typical average for this route.

San Francisco Airport (SFO) hosts 5 major car rental companies, with daily rates averaging $63 for economy cars. Top options include:

• Europcar
• Thrifty
• Dollar
• Hertz
• Fox

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

Morning flights have the fewest delays on this route, while evening departures tend to have the most.

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, 17% of flights were delayed in the past 3 months, with delays averaging 2h 14m.

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

• Vancouver Intl (YVR) - 55% of one-stop connections
• Seattle/Tacoma Intl (SEA) - 41% 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

Yes. Flexible dates can save you up to 21% on flights from Incheon Intl Airport to San Francisco. Sunday is the cheapest departure day at $649 round-trip on average, while Thursday is the most expensive at $816, a difference of $167.

Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

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

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

Flying via Vancouver Intl (YVR) gives the shortest average 1-stop total travel time at 16h 36m, compared with 16h 58m via Taipei City Taiwan Taoyuan Intl (TPE) and 17h 49m via Los Angeles (LAX).

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.

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.

Among airlines operating Incheon Intl Airport to San Francisco flights:

• 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.

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.