SEL - SFO

$430 Find Cheap Flights from Seoul to San Francisco - Compare and Save

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Seoul to San Francisco departing on 11/7. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
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1 adult, Economy, 0 bags

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Everything you should know

Cheapest round-trip
$593
Typical prices: $466-$1,042
AIR PREMIA
Sat 10/17Sat 10/24
ICN - SFO • Non-stop
Cheapest one-way
$430
Typical prices: $318-$563
AIR PREMIA
Sat 11/7
ICN - SFO • Non-stop
Advice from real travelers
AI-powered summary based on content written by travel experts. AI can make mistakes.
AIR PREMIA Premium Economy adds 42-inch pitch, free seat selection, and priority boarding.
Asiana Economy Smartium adds 4 inches of legroom; 777 9-seat rows feel roomier.
Expert advice
Expert advice
Expert advice
Expert advice
Top layover airports
Cheapest • Avg $478 (round-trip)
Shortest trip • 15h 30m (one-way)
Insights
Insights
Insights
Insights
Top routes
Cheapest
Most popular
Insights
Insights
Insights
Insights
When to travel
Cheapest • 25% price drop
Most popular
Good to know
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Flight Deals
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Flight Deals

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

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Seoul to San Francisco that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Seoul to San Francisco

Sat, Oct 17 - Sat, Oct 24
AIR PREMIA Logo
6:00 pm - 1:00 pm
ICN
-
SFO
11h 00mnonstop
AIR PREMIA Logo
3:30 pm - 8:10 pm
SFO
-
ICN
12h 40mnonstop
$593AIR PREMIA
Mon, Nov 16 - Mon, Nov 23
AIR PREMIA Logo
7:45 pm - 1:20 pm
ICN
-
SFO
10h 35mnonstop
AIR PREMIA Logo
3:20 pm - 9:20 pm
SFO
-
ICN
13h 00mnonstop
$594AIR PREMIA
Fri, Jan 15 - Mon, Apr 5
Asiana Airlines Logo
6:00 pm - 11:45 am
ICN
-
SFO
10h 45mnonstop
Asiana Airlines Logo
11:40 pm - 4:20 am
SFO
-
ICN
12h 40mnonstop
$637Asiana Airlines
Thu, Jan 14 - Sun, Apr 4
Air Canada Logo
6:55 pm - 10:57 pm
ICN
-
SFO
21h 02m
1 stop
Air Canada Logo
7:00 am - 4:05 pm
SFO
-
ICN
17h 05m
1 stop
$639Air Canada
Fri, Jan 15 - Thu, Apr 8
Air Canada Logo
6:55 pm - 10:32 am
ICN
-
SFO
32h 37m
1 stop
Air Canada Logo
9:00 am - 4:05 pm
SFO
-
ICN
15h 05m
1 stop
$639Air Canada
Mon, Sep 21 - Mon, Nov 16
Multiple Airlines Logo
7:45 pm - 10:20 am
ICN
-
SFO
30h 35m
2 stops
Multiple Airlines Logo
9:00 am - 10:25 pm
SFO
-
ICN
20h 25m
2 stops
$639Multiple Airlines
Fri, Jan 15 - Mon, Apr 5
Asiana Airlines Logo
6:30 pm - 9:30 am
ICN
-
SFO
32h 00m
1 stop
Asiana Airlines Logo
11:40 pm - 4:20 am
SFO
-
ICN
12h 40mnonstop
$645Asiana Airlines
Fri, Jan 15 - Mon, Apr 5
ANA Logo
6:30 pm - 9:30 am
ICN
-
SFO
32h 00m
1 stop
ANA Logo
10:20 am - 3:00 pm
SFO
-
ICN
12h 40mnonstop
$647ANA
Wed, Oct 14 - Sun, Nov 29
United Airlines Logo
4:50 pm - 11:40 am
ICN
-
SFO
10h 50mnonstop
United Airlines Logo
10:30 am - 4:15 pm
SFO
-
ICN
12h 45mnonstop
$654United Airlines
Fri, Oct 16 - Sun, Nov 29
United Airlines Logo
4:50 pm - 11:40 am
ICN
-
SFO
10h 50mnonstop
United Airlines Logo
10:30 am - 4:15 pm
SFO
-
ICN
12h 45mnonstop
$654United Airlines
Booking Insights

KAYAK's insights & trends for Seoul to San Francisco flights

Get data-powered insights and trends into flights from Seoul to San Francisco to help you find the cheapest flights, the best time to fly and much more.

How much is a round-trip flight from Seoul to San Francisco?

This analysis is based on the cheapest round-trip price found on KAYAK in the last 12 months by searching for a flight from Seoul to San Francisco departing in October.

Flight prices are below average for this route right now.

Flights to San Francisco from Seoul usually cost between $620 and $1,176 in October.
The lowest price found in the past 5 days was $593 on AIR PREMIA (Oct 17-Oct 24).

What is the cheapest Seoul to San Francisco flight route?

Data is based on round-trip flight searches on KAYAK over the past month.

The cheapest return flight from Seoul to San Francisco costs $554 on the route between Incheon Intl Airport (ICN) and San Francisco (SFO). It is also the most popular route.

What’s the cheapest day of the week to fly from Seoul to San Francisco?

The average price of all round-trip flights from Seoul to San Francisco clicked on KAYAK for each day over the last 12 months.

When flying from Seoul to San Francisco, you should consider leaving on a Wednesday and avoid Fridays if you are looking for the best rates. For your return to Seoul, you’ll find the best rates on Mondays and the most expensive ones on Saturdays.

What is the cheapest month to fly from Seoul to San Francisco?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Seoul to San Francisco, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.

The cheapest month for flights from Seoul to San Francisco is November, where tickets cost $531 (return) on average. On the other hand, the most expensive months are August and July, where the average cost of round-trip tickets is $1,006 and $914 respectively.

Can I save money by flying with a layover from Seoul to San Francisco?

The average round-trip price for all non-stop flights, flights with one layover, and flights with two layovers for the route found by users searching on KAYAK in the last 2 weeks.

Yes, flying with a layover may cost you more time, but you can also save money on the route, with a 2 stops layover the cheapest option at $786 on average.

How far in advance should I book a flight from Seoul to San Francisco?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Seoul to San Francisco, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.

To get a below average price on the flight from Seoul to San Francisco, you should book around 1 week before departure. For the absolute cheapest price, our data suggests you should book 21 weeks before departure.

Expert advice

Expert advice for your flight from Seoul to San Francisco

 
AI-powered summary based on content written by travel experts. AI can make mistakes.
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
Stefanie Waldek

Stefanie Waldek

Expert on United Airlines

Stefanie Waldek is a freelance space, travel, and design writer based in Saratoga Springs, NY. Her words have appeared in Space.com, Travel + Leisure, Condé Nast Traveler, Architectural Digest, and House Beautiful, among other publications. An expert in aviation and expedition cruising, Stefanie is frequently up in the air or on the sea, likely en route to Antarctica or the Arctic.

John Walton

John Walton

Expert on Asiana Airlines and AIR PREMIA

Independent aviation journalist John Walton took his first flight at eight weeks old and hasn’t stopped travelling since. A world-renowned expert in airlines and the passenger experience, he writes in depth on aviation, is a resident expert on travel in Japan and France, and offers a uniquely queer perspective on travelling the world.

Robert Schrader

Robert Schrader

Expert on ICN

One of the web's original travel bloggers, Robert launched his first site Leave Your Daily Hell in 2009. Since then, he's expanded into destination niche sites (one each for Japan, Thailand and Taiwan), in addition to having written for the inflight magazines of Singapore Airlines and Korean Air. Overall, he's visited nearly 100 countries, and flies business as often as possible.

Blane Bachelor

Blane Bachelor

Expert on SFO

Blane Bachelor is a journalist and editor specializing in travel and aviation who writes regularly for top global outlets. Born and raised in Florida, Blane has worked and lived in four countries, including the Netherlands, where she’s currently based with her family. Her favorite way to get to know a new destination is by running or riding a bike around town – or hearing a spooky ghost story about local history. She will always choose the window seat.

Good to know

Low season

August

Cheapest flight

$430
Best time to beat the crowds but there is an average 30% increase in price.
Most popular time to fly with an average 21% increase in price.
Flight from Seoul Incheon Airport to San Francisco

When to book flights from Seoul to San Francisco

Are your dates flexible? Find out the best times to travel from Seoul to San Francisco based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from Seoul to San Francisco

  • Does San Francisco International Airport offer shower facilities?

    Those who fly with Delta or American Airlines can use the showers available at the airline lounges. In addition, showers are available at FreshenUp at a fee, including soap, lotion, shampoo, and a hairdryer. The showers are well-maintained and are kept clean throughout.

  • Are there museums at SFO?

    Art enthusiasts arriving at San Francisco International Airport can visit the airport museum and see the various exhibits displaying art, cultural and historical exhibits. The museum is located on the arrivals level of terminal 1 and the landside and airside of the departures level of terminal 3. Additionally, there is an Aviation Museum in the main hall, landside of the international terminal. The museums have friendly staff who;ll be willing to show you around at no extra charges.

  • Where can you buy food at Seoul Incheon Airport?

    If you are looking for a place to eat at Seoul Incheon Airport, various food concessions offer grab-and-go meals and sit-down options. On the landside of terminal 1, you will find Burger King, Gongcha, Holly’s Coffee, Jamba Juice, Krispy Kreme Doughnuts and Lina’s. For those in the terminal, there are Krispy Kreme Doughnuts and Lotteria 2 on the landside; on the airside, there is Angel-in-us-Coffee, Coffee@Works, Lina’s and Starbucks.

  • Where can you relax at Seoul Incheon Airport?

    You can relax and unwind at Asiana Lounge. Take advantage of lounge services such as l conference facilities, showers, alcohol and non-alcoholic beverages, flight information monitors, TV, newspapers, and magazines. The lounge is located near gate 11 on the airside of terminal 1. To access the lounge, you can use your lounge membership program. You can also confirm with Airport staff to know if you need any documents for your pass.

  • What is the cheapest flight from Seoul to San Francisco?

    In the last 5 days, the lowest price for a flight from Seoul to San Francisco was $430 for a one-way ticket and $593 for a round-trip.

  • Do I need a passport to fly between Seoul and San Francisco?

    Yes, you’ll need a passport to travel to San Francisco from Seoul.

  • Which airports will I be using when flying from Seoul to San Francisco?

    Seoul has 2 major airports: Seoul Gimpo Intl and Incheon Intl. San Francisco is the only airport in San Francisco. You’ll usually find the cheapest deals if you fly from Seoul Incheon Airport.

  • Which airlines offer Wi-Fi service onboard planes from Seoul to San Francisco?

    Asiana Airlines, American Airlines, Thai Airways, and Singapore Airlines offer inflight Wi-Fi service on the Seoul to San Francisco flight route.

  • Which aircraft models fly most regularly from Seoul to San Francisco?

    The Boeing 787-9 Dreamliner is the aircraft model that flies most regularly on the Seoul to San Francisco flight route.

  • Which airline alliances offer flights from Seoul to San Francisco?

    SkyTeam, and Star Alliance are the airline alliances operating flights between Seoul and San Francisco, with SkyTeam being the most commonly used for this route.

  • On which days can I fly direct from Seoul to San Francisco?

    There are nonstop flights from Seoul to San Francisco on a daily basis.

  • Which is the best airline for flights from Seoul to San Francisco, Korean Air or Asiana Airlines?

    The two airlines most popular with KAYAK users for flights from Seoul to San Francisco are Korean Air and Asiana Airlines. With an average price for the route of $1,000 and an overall rating of 8.4, Korean Air is the most popular choice. Asiana Airlines is also a great choice for the route, with an average price of $1,043 and an overall rating of 8.1.

  • How does KAYAK find such low prices on flights from Seoul to San Francisco?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Seoul to San Francisco.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Seoul to San Francisco?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to San Francisco from Seoul is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Seoul to San Francisco?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to San Francisco with an airline and back to Seoul with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Seoul to San Francisco?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to San Francisco from Seoul up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

KAYAK’s top tips for finding a cheap flight from Seoul to San Francisco

  • Looking for a cheap flight? 25% of our users found flights on this route for $445 or less one-way and $783 or less round-trip.
  • Luggage storage services are available at Seoul Airport. CJ Logistics offers storage facilities near check-in B on the third floor, while Hanjin Express offers services near check-in N.
  • Banking services are available at Seoul Airport from various banks. These include Woori Bank landside of terminals 1 and 2, Shinhan Bank in the transportation center and west side of terminal 2 and KEB Hana Bank in the center of the public area of terminal 2.
  • Those who want to refresh at Seoul Incheon Airport (ICN) can use the showers available at the airport lounges. Lounges offering showers include Asiana lounge and Marina lounge. To access the lounges, you can use your lounge membership or pay at the door.
  • If you need to pamper yourself on arrival at San Francisco International Airport (SFO), you will find XpresSpa. The spa offers facials, manicures and pedicures. The spa has different locations, including boarding area D, airside of terminal 2, boarding area E, airside of terminal 3 and near gate G9 on the international terminal.
  • On arrival at San Francisco International Airport, you can rent a room at FreshenUp and relax before heading downtown. The rooms feature beds, Wi-Fi access, mirrors, desks and showers at an extra fee. FreshenUp is located next to the airport travel agency in the main hall of the international terminal.

Everything you need to know for your flight from Seoul to San Francisco

Information on your arrival and departure airports