United Polaris offers lie-flat seats with aisle access, ideal for long-haul comfort.
United Premium Plus provides 7 inches more legroom than economy, enhancing comfort on long flights.
Planning a trip from San Francisco to Incheon Intl? KAYAK’s data-powered insights will help you find cheap flights. Learn the best time to fly, how early to book your ticket, and other tips to secure great prices.
Low season | January |
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High season | June |
Cheapest flight | $330 |
Find which airlines fly direct from San Francisco Airport to Incheon Intl Airport, which days they fly and book direct flights.
Direct departures
San Francisco to Incheon Intl
Monday
AIR PREMIA, Asiana Airlines, Delta, +4 more
AIR PREMIA, Asiana Airlines, +5 more
3
4
Tuesday
Asiana Airlines, Delta, Korean Air, +3 more
Asiana Airlines, Delta, +4 more
2
3
Wednesday
AIR PREMIA, Asiana Airlines, Delta, +4 more
AIR PREMIA, Asiana Airlines, +5 more
3
4
Thursday
Asiana Airlines, Delta, Korean Air, +3 more
Asiana Airlines, Delta, +4 more
2
3
Friday
AIR PREMIA, Asiana Airlines, Delta, +4 more
AIR PREMIA, Asiana Airlines, +5 more
3
4
Saturday
AIR PREMIA, Asiana Airlines, Delta, +4 more
AIR PREMIA, Asiana Airlines, +5 more
3
4
Sunday
AIR PREMIA, Asiana Airlines, Delta, +4 more
AIR PREMIA, Asiana Airlines, +5 more
3
4
Direct returns
Incheon Intl to San Francisco
Monday
AIR PREMIA, Asiana Airlines, Delta, +4 more
AIR PREMIA, Asiana Airlines, +5 more
3
4
Tuesday
Asiana Airlines, Delta, Korean Air, +3 more
Asiana Airlines, Delta, +4 more
2
3
Wednesday
AIR PREMIA, Asiana Airlines, Delta, +4 more
AIR PREMIA, Asiana Airlines, +5 more
3
4
Thursday
Asiana Airlines, Delta, Korean Air, +3 more
Asiana Airlines, Delta, +4 more
2
3
Friday
AIR PREMIA, Asiana Airlines, Delta, +4 more
AIR PREMIA, Asiana Airlines, +5 more
3
4
Saturday
AIR PREMIA, Asiana Airlines, Delta, +4 more
AIR PREMIA, Asiana Airlines, +5 more
3
4
Sunday
AIR PREMIA, Asiana Airlines, Delta, +4 more
AIR PREMIA, Asiana Airlines, +5 more
3
4
The delay in Korea was a pain and set us back a day. I have to give big props to Korean Air for setting up a hotel with dinner and transportation to and from the hotel. I also needed assistance with a wheelchair and they did an outstanding job.
The delay in Korea was a pain and set us back a day. I have to give big props to Korean Air for setting up a hotel with dinner and transportation to and from the hotel. I also needed assistance with a wheelchair and they did an outstanding job.
The food on this flight from NRT to ICN was average. The staff were very friendly, but the flight took about 60 minutes longer than it should have because the pilot was only flying at 330mph instead of 500-550. Not sure what the reason is for that, but it meant for a much longer flight.
Flight delayed going to Korea. No free WiFi. Other than that everything else is were good. I would love to fly with Korea airline again
Food choice could be better, plus the crew can walk around and offer snacks and drinks. Also the air-conditioning onboard blows high speed, and very cold makes the trip uncomfortable.
long flights are difficult but the crew and amenities made it a very good experience
Always have great flight experience on Korean Air. Glad to have been able to book this on Kayak/Under Pricer this year!!
An International flight from Cebu to Incheon was delayed the night before without a proper explanation. Same thing happened from Incheon to Cebu in the first leg. I will not fly Korean again. And I will ensure Delta their US partner hears about it. This is a routine by Korean to delay flights from and to Cebu via Incheon.
When I selected my seats, it showed row 29 as the front row, so I paid extra to sit in what I thought would be the front row, but when I boarded the plane, row 29 was the second economy row. I was disappointed that I'd spent almost $100 more for no actual benefit.
The food is always good and that flight was particularly good.
Unlimited drinks and snacks on this long flight. Very courteous Korean staff !!!
First time flying with them and was pleasantly surprised. I had a premium economy seat which is very similar to some other airlines regional business class product. Seat was large, pillow was provided, huge amount of leg room, entertainment was available (only Korean shows), and lunch meal was served between Narita and Seoul. Really enjoyable and affordable
Maybe the reimbursement voucher should have been larger than a 10k won. That voucher is only for refreshments. The flight was delayed or pushed to more than 5 hours. It should be more than just 10k won and it was already past midnight. Some people or passengers like who was already there 5 hours prior to the original flight departure. 4pm** That was the only unfortunate thing about it . Other than that it was good .
5 hour delay, therefore, middle of the night arrival doesn’t help.
The staff were very friendly, and the flight was comfortable. That said, there was no option to specify dietary restrictions before the flight, so you may need to bring your own food. Also, there was no wifi available for the flight, though there is an in-flight entertainment console with many Korean-language shows and movies.
The legroom was great for a 5’11” person. The 11 hour direct flight had two meal services included in the ticket price which was less than other airline’s cost without food service (Canada air)from sfo to incheon. The airline is focused towards Korean nationals with the onboard entertainment selection of Korean movies but English subtitles were available. Overall premia air is a great option to fly from the US to Korea.
Most of them are OK! But, meals service was not enough. I felt hungry after eating the meal for the first time. I had to buy some other food. So I had to buy a sandwich and drinks for the return flight. And I am not sure it's only my feeling or not, I felt my butt is getting forward. I will use Korean Air or Asiana Airline for next time to visit Korea.
Plane and service were great. The entertainment is only for Koreans. Wish there were vegetarian options for food. All in all pleasantly surprised. Economy premium was quite good.
This form doesn’t work. Can’t type in, had to copy-paste. The crew constantly telling everyone about minor things is unnecessary. Did you put the belt on, push your bag more under the seat… The seat space was good for tall people, the food was decent for airplane.
Roomy seats for the given price! I couldn’t ask more!
Great airline, but there was no English entertainment (movies or shows)
It was amazing. I was not expecting the phenomenal customer service Asiana provides.
The seats felt very small. We were supplied with pillows and blankets, which was nice. Lots of noise from the bathroom, plus exterior noise. Made it hard to hear the entertainment system, even using my own noise-cancelling headphones. The food was really bad. I generally request a vegetarian meal and one was supplied, but the pasta was cold and hard and there was nothing pleasant about it. Two meals were served on this flight; one was a repeat of the meal I had had on the flight immediately preceding this one, which was bad enough I didn't even try it. Drinks were very limited. All I wanted was water, and on a 10.5 hour flight, I was given 3 cups of about 3 ounces each.
The seats felt very small. We were supplied with pillows and blankets, which was nice. Lots of noise from the bathroom, plus exterior noise. Made it hard to hear the entertainment system, even using my own noise-cancelling headphones. The food was really bad. I generally request a vegetarian meal and one was supplied, but the pasta was cold and hard and there was nothing pleasant about it. Drinks were very limited. All I wanted was water, and on a 4 hour flight, I was given 2 cups of about 3 ounces each.
We took business class, It was comfortable and I was able to sleep.
Everything was perfect. A flight attendant even brought me snacks after I declined food due to my desire to force myself to follow the destination time zone.
For the most part, it was an enjoyable experience. It's the 2nd half of the journey was a bit uncomfortable. It was on a noticable smaller plane compared to the previous one.
Only process that my luggage didn’t make it to my destination because of short connection but I understand
The boarding process was good. The toilet could be better maintained.
This has been the worst experience I've ever had. We arrived to Ho Chi Minh Airport and were supposed to get our Asiana ticket from the transfer counter as we came with a different airline. However, the staff at the transfer counter were not helpful and kept giving us different information. We were first told by Asiana airlines staff we had to wait 2 hours so they could print out and give us our tickets, then someone else told us we had to wait 3hrs, someone told us "I don't know, just go sit and wait and we will tell you later." This was at a place in the Ho Chi Minh airport that had no coffee or food shops, nothing, just immigration (to enter Vietnam with a Vietnam Visa) and security (to transfer into the gates) but we needed our printed boarding pass to go through. It wasn't until we demanded to speak to a supervisor as our flight time was 1hr away because they kept telling us "there's alot of time left for your international flight, we will get your tickets later" we still had to wait around 20minutes for the "Supervisor" to give us our tickets. I would NOT recommend Asiana Airlines, especially if going thru Ho Chi Minh Airport as they are not helpful. (We almost missed our flight, due to their lazyness and incompetence of printing our tickets) I would suggest Asiana Airlines to have a Machine in the transfer area so passengers can easily print out their boarding passes themselves and save some money by not hiring incompetent staff that can't do a simple task such as printing a boarding pass.
Great service. They could offer vegetarian food and do more to reduce waste.
Delta flight was on time, seats were comfortable, and crew was nice.
Bathrooms dirty sinks clogged. No one seemed to clean them. Plane very old
Thank you for not flipping the plane on the run way. You guys get a 5 star rating for the flight!!!
Boarding is, as it always is… horrible. Gate lice. Slow moving zones. Too many people with carry ons
It was terrible, if they ran flights on time it would make a big difference.
Delta seems to be improving in many areas, except they are super bad with the food available. Bring back normal food service on long flights.
I actually received a notification from kayak on email but not one by text from Delta when my departure gait changed and I almost missed my flight
New boarding doesn't make sense. Filling front first is slow.
Delta flight was great from the check in all the way to arrival. However, I had a very bad experience. I requested a wheelchair and the wheelchair employee that went to pick me up from the plane in Boston to bring me to the baggage claims told me I have to pay him. I was under the impression that it was a free service and I usually give tips but the person forced me to pay and since I said no because I was upset with his demand when my daughter walked in to pick me up he demanded payment from my daughter who paid him thinking maybe now it is a charged service.
Horrible. Grateful to be alive but spent 13 hours at airport only to return back to my familys house and flight changed to next day. They tried to fix a part on plane, had no back up plane and after 10 hours , reattempted the flight and it STILL wasn't fixed. We got a meal voucher and rescheduled flight but there should be some other compensation for the 15 hours spent in airport
Everything is good except the dinner and breakfast. The sandwich is very delicious. Toilet is clean, I only use one of them. Flight attendants are very nice. 👍👍
Compared with other carriers business class for an overnight was not worth the extra expense.
Easy to board. Flight was super crowded though so I didn't sleep well on that cross country red-eye flight. The aisles seem ot have gotten narrower and the seat smaller whn luggage and people are getting bigger so it would be AWESOME to have more space and breathing room in general ;)
Pilot Erika DeLong made us feel safe and at ease in a frankly scary time to be flying. Her warm smile and greeting and excellent command of the aircraft in foggy bumpy weather helped us all to calm our nerves and get us home safely.
AWFUL. I have had the experience of traveling with many airlines across the world, and hands down United Airlines is the worst. Not one flight was on time, and I don’t think I met one crew member or staff member who wasn’t rude.
For an 8.5 hour flight the service on board lacked a bit. Service start was slow, the food was worse than usual and they skipped the snack they were supposed to deliver before landing.
Wish movie and music choices changed more often. Mostly same from a month or two ago when I last flew.
It was good. Just that the seats could not be reclined. The people behind were not ready to let the chairs be reclined
Checkin was painful and slow! Lady didn’t seem to know what was going on and couldn’t explain the delay. Seemed ahe couldnt see the computer scree and we couldn’t hear her talk through her mask.
Plane left & arrived early- 5 Crew great. Wi fi - paid for 2, only 1 worked - so so. Waste of $. Coolie was good
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