ICN - SFO

$430 Find Cheap Flights from Seoul Incheon Airport 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 Incheon Intl to San Francisco departing on 11/27. 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.
1 adult
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
$425
Typical prices: $318-$563
Air Canada
Fri 11/27
ICN - SFO • 1 stop
Advice from real travelers
AI-powered summary based on content written by travel experts. AI can make mistakes.
AIR PREMIA economy offers 33-35 inches legroom; Asiana Smartium adds 4 inches.
Asiana A380 upper deck economy adds side lockers; AIR PREMIA has power outlets.
Expert advice
Expert advice
Expert advice
Expert advice
Nonstop flights
You can fly direct with Asiana Airlines, Korean Air and others. Average duration is 10h 53m
Direct flights
Direct flights
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+1
Direct flights
Direct flights
+1
Avoid delays
Most punctual • 88% on-time
Best time • Fewest delays
Insights
Insights
Insights
Insights
Top layover airports
Cheapest • Avg $478 (round-trip)
Shortest trip • 15h 30m (one-way)
Insights
Insights
Insights
Insights
When to travel
Cheapest • 21% price drop
Most popular
Good to know
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Flight Deals

Cheap Flights from Incheon Intl to San Francisco (ICN-SFO)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Incheon Intl 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 Incheon Intl 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, Oct 26 - Wed, Dec 2
AIR PREMIA Logo
7:45 pm - 2:20 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
Sun, Nov 22 - Sat, Nov 28
Air Canada Logo
6:55 pm - 5:28 pm
ICN
-
SFO
39h 33m
2 stops
Air Canada Logo
1:53 pm - 5:10 pm
SFO
-
ICN
34h 17m
1 stop
$639Air Canada
Thu, Jan 14 - Thu, Apr 8
Air Canada Logo
6:55 pm - 5:23 pm
ICN
-
SFO
39h 28m
2 stops
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 - Fri, Dec 4
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
Wed, Oct 14 - Mon, Nov 30
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 Incheon Intl to San Francisco flights

Get data-powered insights and trends into flights from Incheon Intl 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 Incheon Intl Airport 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 Incheon Intl Airport to San Francisco departing in October.

Flight prices are below average for this route right now.

Flights to San Francisco from Incheon Intl Airport usually cost between $820 and $1,205 in October.
The lowest price found in the past 5 days was $593 on AIR PREMIA (Oct 17-Oct 24).

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

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

Your flight ticket price will generally be cheaper if you fly to San Francisco on a Wednesday and more expensive on a Friday. On your return trip to Seoul Incheon Airport, you should consider flying back on a Monday, and avoid Saturdays for better deals.

What is the cheapest month to fly from Incheon Intl Airport to San Francisco?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Incheon Intl Airport 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 Incheon Intl Airport to San Francisco is December, 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 $844 respectively.

Can I save money by flying with a layover from Incheon Intl Airport 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 Incheon Intl Airport 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 Incheon Intl Airport 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 Incheon Intl Airport 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 Incheon Intl 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

March

Cheapest flight

$430
Best time to beat the crowds with an average 15% drop in price.
Most popular time to fly and prices are also 6% lower on average.
Flight from Seoul Incheon Airport to San Francisco

When to book flights from Incheon Intl to San Francisco

Are your dates flexible? Find out the best times to travel from Incheon Intl 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 Seoul Incheon Airport to San Francisco flights

  • What services are available to business travelers at the departure airport?

    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.

  • Which flight options do I have on this route?

    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.

  • Which is the best observation deck at Incheon 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.

  • Which recreational activities are available at Incheon Airport?

    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.

  • What is the cheapest flight from Incheon Intl Airport to San Francisco?

    In the last 5 days, the lowest price for a flight from Incheon Intl Airport to San Francisco was $425 for a one-way ticket and $593 for a round-trip.

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

    Yes, you'll most likely have to show a valid passport before boarding the plane in Seoul Incheon Airport and on arrival in San Francisco.

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

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

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

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

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

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

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

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

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

    The two airlines most popular with KAYAK users for flights from Incheon to San Francisco are Korean Air and Asiana Airlines. With an average price for the route of $852 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 $700 and an overall rating of 8.1.

  • How does KAYAK find such low prices on flights from Seoul Incheon Airport 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 Incheon Airport to San Francisco.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Seoul Incheon Airport 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 Incheon Airport 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 Incheon Airport 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 Incheon Airport with another airline. Booking your flights between Seoul Incheon Airport and SFO can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Seoul Incheon Airport 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 Incheon Airport 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 Incheon Intl Airport 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.
  • For nature lovers at Seoul Incheon Airport (ICN), there are several gardens that you may consider seeing before departure. You will find a flower garden, a rock garden, and a pine tree garden at the welcoming hall in the passenger terminal. An additional garden with native wildflowers grown on artificial ground is available on the east and west sides of the transportation center.
  • For relaxation, visit Prana Spa and enjoy a spa treatment before departure. The spa has two locations near gate 231, airside of Terminal 2, west side landside of Terminal 1, and near Gate 268, airside of Terminal 2. Additionally, you can get skincare and massage services on the fourth floor, east and west sides of Terminal 1.
  • If you want to nap at Seoul Incheon Airport, there are nap zones with padded beds and relax zones with comfy recliner chairs. At terminal 1, you will find these zones near Gates 29, 25, and 118 and on the west and east side of the fourth floor. Those at Terminal 2, the zones are available near Gates 268 and 231 on the airside.
  • Those arriving at the San Francisco Airport (SFO) can visit the XpresSpa for spa services such as massages, pedicures, manicures, and facials. The spa had several locations, including the airside of Terminal 2 in boarding area D, Terminal 3 in boarding area E, and the airside of the International Terminal near Gate G9.
  • For those planning to explore San Francisco, you can consider renting a car at San Francisco Airport since it's cheaper, and you will likely get discounts. You will find various car rental providers, including Alamo, Avis, Budget, Dollar, Enterprise, Hertz, National, SIXT, and Thrifty. In addition, you can use the AirTrain Blue Line to access the car rental center.

Prefer to fly direct from Seoul Incheon Airport to San Francisco?

 
Direct data is based off flight results for the next 60 days. Find direct flights from all airlines flying direct from Incheon Intl to San Francisco.
Find which airlines fly direct from Incheon Intl Airport to San Francisco Airport, which days they fly and book direct flights.

Direct departures

Incheon Intl to San Francisco

Monday

AIR PREMIA,Asiana Airlines,Korean Air, +1 more

AIR PREMIA,Asiana Airlines, +2 more

Tuesday

Asiana Airlines,Korean Air,United Airlines

Asiana Airlines,Korean Air, +1 more

Wednesday

AIR PREMIA,Asiana Airlines,Korean Air, +1 more

AIR PREMIA,Asiana Airlines, +2 more

Thursday

Asiana Airlines,Korean Air,United Airlines

Asiana Airlines,Korean Air, +1 more

Friday

AIR PREMIA,Asiana Airlines,Korean Air, +1 more

AIR PREMIA,Asiana Airlines, +2 more

Saturday

AIR PREMIA,Asiana Airlines,Korean Air, +1 more

AIR PREMIA,Asiana Airlines, +2 more

Sunday

AIR PREMIA,Asiana Airlines,Korean Air, +1 more

AIR PREMIA,Asiana Airlines, +2 more

See more direct flights

Direct returns

San Francisco to Incheon Intl

Monday

AIR PREMIA,Asiana Airlines,Korean Air, +1 more

AIR PREMIA,Asiana Airlines, +2 more

Tuesday

Asiana Airlines,Korean Air,United Airlines

Asiana Airlines,Korean Air, +1 more

Wednesday

AIR PREMIA,Asiana Airlines,Korean Air, +1 more

AIR PREMIA,Asiana Airlines, +2 more

Thursday

Asiana Airlines,Korean Air,United Airlines

Asiana Airlines,Korean Air, +1 more

Friday

AIR PREMIA,Asiana Airlines,Korean Air, +1 more

AIR PREMIA,Asiana Airlines, +2 more

Saturday

AIR PREMIA,Asiana Airlines,Korean Air, +1 more

AIR PREMIA,Asiana Airlines, +2 more

Sunday

AIR PREMIA,Asiana Airlines,Korean Air, +1 more

AIR PREMIA,Asiana Airlines, +2 more

See more direct flights

Everything you need to know for your flight from Incheon Intl to San Francisco

Information on your arrival and departure airports