SFO - ICN

C$ 488 Find Cheap Flights from San Francisco to Incheon – Compare and Save

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Everything you should know

Cheapest round-trip
C$ 915
Typical prices: C$ 971-C$ 1,637
United Airlines
Sat 1/12Thu 20/12
SFO - ICN • Direct
Cheapest one-way flights
C$ 488
Typical prices: C$ 517-C$ 1,090
United Airlines
Sat 7/4
SFO - ICN • Direct
Advice from real travellers
AIR PREMIA economy stands out with 33-35 inches of legroom on this long-haul route.
Korean Air economy includes meals and alcohol; United Premium Plus adds legroom.
Expert advice
+1
Expert advice
+1
Direct flights
You can fly direct with United Airlines, Korean Air, and others. Average duration is 12h 59m.
Direct flights
+1
Direct flights
+1
Avoid delays
Most punctual • 95% on-time
Best time • Fewest delays
Insights
Insights
When to book
in advance
Our data shows that travellers who book at least 7 weeks in advance save around 11% compared to booking last minute.
Insights
Insights
When to travel
Cheapest • 17% price drop
Most popular
Good to know
+1
Good to know
+1
Top layover airports
Cheapest • Avg C$ 890 (round-trip)
Shortest trip • 16h 02m (one-way)
Insights
Insights
Start a new search
KAYAK searches hundreds of sites at once to find you the best travel deals.
We hope you enjoy your trip to Incheon Intl Airport!
Flight Deals
Booking Insights
Flight Deals

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

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from San Francisco to Incheon Intl

Tue, 1 Dec - Sat, 12 Dec
United Airlines Logo
11:45 p.m. - 5:40 a.m.SFO  San Francisco-ICN Incheon Intl
12h 55mdirect
United Airlines Logo
6:00 p.m. - 11:45 a.m.ICN  Incheon Intl-SFO San Francisco
10h 45mdirect
C$ 915United Airlines
Mon, 23 Nov - Mon, 7 Dec
United Airlines Logo
11:45 p.m. - 5:40 a.m.SFO  San Francisco-ICN Incheon Intl
12h 55mdirect
United Airlines Logo
12:45 p.m. - 6:30 a.m.ICN  Incheon Intl-SFO San Francisco
10h 45mdirect
C$ 916United Airlines
Sun, 22 Nov - Mon, 7 Dec
United Airlines Logo
10:20 a.m. - 4:15 p.m.SFO  San Francisco-ICN Incheon Intl
12h 55mdirect
United Airlines Logo
12:45 p.m. - 6:30 a.m.ICN  Incheon Intl-SFO San Francisco
10h 45mdirect
C$ 917United Airlines
Sun, 22 Nov - Mon, 7 Dec
United Airlines Logo
11:45 p.m. - 5:40 a.m.SFO  San Francisco-ICN Incheon Intl
12h 55mdirect
United Airlines Logo
6:30 p.m. - 4:35 p.m.ICN  Incheon Intl-SFO San Francisco
39h 05m1 stop Newark
C$ 919United Airlines
Mon, 23 Nov - Thu, 3 Dec
United Airlines Logo
9:30 p.m. - 4:25 p.m.SFO  San Francisco-ICN Incheon Intl
25h 55m1 stop Newark
United Airlines Logo
12:45 p.m. - 6:30 a.m.ICN  Incheon Intl-SFO San Francisco
10h 45mdirect
C$ 920United Airlines
Wed, 2 Dec - Fri, 18 Dec
United Airlines Logo
4:30 p.m. - 4:25 p.m.SFO  San Francisco-ICN Incheon Intl
30h 55m1 stop Newark
United Airlines Logo
12:45 p.m. - 6:30 a.m.ICN  Incheon Intl-SFO San Francisco
10h 45mdirect
C$ 922United Airlines
Mon, 23 Nov - Mon, 7 Dec
United Airlines Logo
10:50 p.m. - 4:25 p.m.SFO  San Francisco-ICN Incheon Intl
24h 35m1 stop Newark
United Airlines Logo
6:30 p.m. - 10:29 a.m.ICN  Incheon Intl-SFO San Francisco
32h 59m1 stop Newark
C$ 923United Airlines
Sun, 22 Nov - Mon, 7 Dec
United Airlines Logo
10:20 a.m. - 4:15 p.m.SFO  San Francisco-ICN Incheon Intl
12h 55mdirect
United Airlines Logo
6:30 p.m. - 11:59 p.m.ICN  Incheon Intl-SFO San Francisco
22h 29m1 stop Newark
C$ 924United Airlines
Tue, 1 Dec - Sat, 12 Dec
United Airlines Logo
11:45 p.m. - 5:40 a.m.SFO  San Francisco-ICN Incheon Intl
12h 55mdirect
United Airlines Logo
6:30 p.m. - 9:30 a.m.ICN  Incheon Intl-SFO San Francisco
32h 00m1 stop Newark
C$ 929United Airlines
Mon, 23 Nov - Thu, 3 Dec
United Airlines Logo
10:50 p.m. - 4:25 p.m.SFO  San Francisco-ICN Incheon Intl
24h 35m1 stop Newark
United Airlines Logo
6:30 p.m. - 9:30 a.m.ICN  Incheon Intl-SFO San Francisco
32h 00m1 stop Newark
C$ 934United Airlines
Booking Insights

Price, demand, and travel trends for San Francisco to Incheon Intl Airport flights

Use KAYAK data on prices, travel dates, airlines, and seasonal trends to compare options and book flights with more confidence.

How much is a round-trip flight from San Francisco to Incheon Intl Airport?

Round-trip flights from San Francisco to Incheon Intl Airport typically range from C$ 971 to C$ 1,637. The lowest price found in the past 5 days was C$ 915, on United Airlines.

What's the cheapest day of the week to fly from San Francisco to Incheon Intl Airport?

Based on deals KAYAK users found in the last 12 months, Monday is the cheapest day of the week to fly from San Francisco to Incheon Intl Airport. It's 5% cheaper than the average day, while Saturday is the most expensive, with prices 8% higher.

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

•February is the cheapest month to fly from San Francisco to Incheon Intl Airport at C$ 964 round-trip.
•June (C$ 1,903) and December (C$ 1,703) are the most expensive months.
•The price difference between flying in the cheapest and most expensive months is 97% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are flights from San Francisco to Incheon Intl Airport the cheapest?

Flights from San Francisco to Incheon Intl Airport are cheapest 7 weeks before departure. Booking in this window typically costs about 11% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Key details for San Francisco to Incheon Intl Airport flights

Low season

January

Cheapest flight

C$ 488
Beat the crowds with an average 33% drop in traveller numbers.
The most popular month to fly with an average 25% increase in traveller numbers.
One-way flight from San Francisco to Incheon Intl Airport

When to book flights from San Francisco to Incheon Intl

Are your dates flexible? Find out the best times to travel from San Francisco to Incheon Intl based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Flights from San Francisco to Incheon Intl: the best tips from KAYAK users' own experiences

Insights shared by verified travellers who flew the route from San Francisco to Incheon Intl 
Verified travelerFlew with Asiana Airlines-Mar 2026
Walk straight to arrivals upon getting to Incheon, and take their airport bus route if convenient.
DexterFlew with Asiana Airlines-Feb 2026
If traveling with toddlers or picky eaters, make sure you feed or buy food your kids will eat. Leaving San Francisco my kids didn’t eat any of the food coming from the SFO airport.

Your San Francisco to Incheon Intl Airport flight questions, answered

Find helpful answers about this route, including flight times, airports, airlines, and booking tips.

  • What are the earliest and latest flights from San Francisco to Incheon Intl Airport?

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

    • Earliest: departs at 10:20 am and lands at 11:19 pm
    • Latest: departs at 11:45 pm and lands at 12:44 pm.

    The flight takes about 12h 59m.

  • Which cabin classes can I book on flights from San Francisco to Incheon Intl Airport?

    Only Economy Class is available on flights from San Francisco to Incheon Intl Airport.

  • How long does a flight from San Francisco to Incheon Intl Airport take?

    A direct flight from San Francisco to Incheon Intl Airport takes 12h 59m, covering 14,613 km.

  • Do I need a passport to fly from San Francisco to Incheon Intl Airport?

    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.

  • How much should I expect to pay for a San Francisco to Incheon Intl Airport flight?

    Round-trip flights from San Francisco to Incheon Intl Airport range from C$ 971 to C$ 1,637, with an average of C$ 1,156 over the past 12 months. Anything below C$ 971 counts as a good deal.

  • How expensive are last-minute San Francisco to Incheon Intl Airport flights?

    Last-minute fares on this route (booked within two weeks of departure) run 7% above the C$ 1,156 route average. Book 7 weeks before departure for the lowest fares.

  • How much can I save by taking a layover when flying from San Francisco to Incheon Intl Airport?

    On this route, layover flights are cheaper than direct options on average. Layover fares average C$ 890 round-trip via Manila Ninoy Aquino Intl (MNL), compared to C$ 1,141 for direct.

  • How does on-time performance compare across airlines flying from San Francisco to Incheon Intl Airport?

    Asiana 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 San Francisco to Incheon Intl Airport flights are:

    • Asiana Airlines: 95% on time
    • AIR PREMIA: 92% on time
    • Korean Air: 84% on time

    On average, flights on this route are punctual 85% of the time.

  • What is the standard checked bag allowance on flights from San Francisco to Incheon Intl Airport?

    There is no standard. Checked bag policies vary by airline on this route. Most carriers charge C$ 78–C$ 140 for the first checked bag in economy. Premium fares and elite status bookings typically include a free checked bag.

  • Which aircraft model is used most often on flights from San Francisco to Incheon Intl Airport?

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

  • How are flight departures from San Francisco to Incheon Intl Airport spread across the day?

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

  • Which airlines offer Wi-Fi on San Francisco to Incheon Intl Airport flights?

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

  • How are flight prices from San Francisco to Incheon Intl Airport looking right now?

    One-way fares from San Francisco to Incheon Intl Airport are currently lower than usual. Average one-way flight prices are about C$ 531, which is 26% below the typical average for this route.

  • What car rental options are available at Incheon Intl Airport (ICN)?

    Incheon Intl Airport (ICN) hosts 5 major car rental companies, with daily rates averaging C$ 66 for economy cars. Top options include:

    • WECAR
    • Wheego
    • Yesaway
    • Alamo
    • Enterprise Rent-A-Car

  • Which airports can I use when flying from San Francisco to Incheon Intl Airport?

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

  • What time of day has the fewest delays on flights from San Francisco to Incheon Intl Airport?

    Afternoon flights have the fewest delays on this route, while morning departures tend to have the most.

  • At what point is a flight considered delayed on the route from San Francisco to Incheon Intl Airport?

    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 San Francisco to Incheon Intl Airport route, 15% of flights were delayed in the past three months, with delays averaging 3h 35m.

  • Which airports do connecting flights from San Francisco to Incheon Intl Airport pass through?

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

    • Vancouver Intl (YVR) – 38% of one-stop connections
    • Seattle/Tacoma Intl (SEA) – 19% of one-stop connections
    • Hong Kong Intl (HKG) – 11% of one-stop connections
    • Taipei City Taiwan Taoyuan Intl (TPE) – 10% of one-stop connections

  • Can I save money by using flexible dates for flights from San Francisco to Incheon Intl Airport?

    Yes. Flexible dates can save you up to 13% on flights from San Francisco to Incheon Intl Airport. Monday is the cheapest departure day at C$ 1,101 round-trip on average, while Saturday is the most expensive at C$ 1,259, a difference of C$ 158.

    KAYAK's flexible dates feature shows options up to three days before and after your selected dates, making it easier to compare nearby fares.

  • Which airlines fly from San Francisco to Incheon Intl Airport?

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

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

  • How much time can I save by choosing a different layover airport when travelling from San Francisco to Incheon Intl Airport?

    Flying via Vancouver Intl (YVR) gives the shortest average 1-stop total travel time at 16h 02m, compared with 17h 32m via Salt Lake City (SLC) and 17h 37m via Los Angeles (LAX).

  • What is the time difference between San Francisco and Incheon Intl Airport?

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

  • Which popular places can I visit in Incheon Intl Airport?

    Some of the most popular sights in Incheon Intl Airport are Songdo Convensia and Songdo Central Park. These are among the most viewed places in Incheon Intl Airport on KAYAK.

  • Which airlines offer extra legroom and free seat selection on San Francisco to Incheon Intl Airport flights?

    Among airlines operating San Francisco to Incheon Intl Airport 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 free seat selection

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

  • Which airlines include bags at no extra cost on San Francisco to Incheon Intl Airport flights?

    Here are some options for this route, based on selected ticket types and cabin classes:

    • AIR PREMIA: a carry-on bag and a checked bag in Economy Class
    • United Airlines: a carry-on bag and a checked bag in Economy Class
    • Asiana Airlines: a carry-on bag and a checked bag in Economy Class

    Baggage allowance can vary by ticket type, cabin class, route, and airline, so always check the fare details before booking.

Your guide to booking San Francisco to Incheon Intl Airport flights

Get tips on when to book, when to fly, and what to know before your trip.
  • If your dates are flexible, aim for a Monday departure and avoid flying on Saturday. On this route, Monday flights average C$ 1,101, about C$ 158 less than Saturday fares (13% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 7 weeks before you fly. On this route, that window historically saves about 11% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your San Francisco to Incheon Intl Airport trip for February. Fares historically average C$ 964 round-trip in that month – typically C$ 940 less than the most expensive month, which is June (based on the last 12 months).
  • For the best chance of arriving on time, fly with Asiana Airlines. Over the past three months, 95% of Asiana Airlines flights from San Francisco to Incheon Intl Airport arrived on time, slightly above the route average of 85%. When flights on this route arrive late, they're delayed by an average of 3h 35m, so choosing an airline with strong on-time performance can make a difference if you're on a tight schedule.
  • If you have the time, taking a 1-stop flight through Manila Ninoy Aquino Intl Airport (MNL) can be cheaper than flying direct. The cheapest layover option averages C$ 890 round-trip on this route – about C$ 251 less than direct flights (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to Incheon Intl Airport.

    • Grand Hyatt Incheon
    • Hotel Ora Incheon
    • Hotel Hu Incheon Airport

Prefer to fly direct from San Francisco to Incheon?

 
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,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 nonstop flights

Direct returns

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 nonstop flights

More options for your flight from San Francisco to Incheon Intl

Complete your trip to Incheon with a hotel stay or car rental