Cheap Flights from Seoul to San Francisco
Browse current best options from Seoul. Become a member to unlock all deals and get alerts when new deals appear.
Deals from
Seoul
RatePunk searches hundreds of travel sites at once for deals on flights to San Francisco
Prices updated 24 days ago
486,190 searches this week
171 airlines compared
80%+ AI score for best value
Fares are subject to change and may not be available for all dates. (Data last updated May 29, 2026.)
Today’s best flight deals from Seoul to San Francisco
Explore current cheapest deals departing from Seoul to San Francisco
Round trip
Sort by: Cheapest
September 14 - September 21
ICN - San Francisco
$750
$817
Round trip
September 16 - September 30
ICN - San Francisco
$726
$817
Round trip
September 18 - September 27
ICN - San Francisco
$760
$819
Round trip
September 11 - September 18
ICN - San Francisco
$772
$819
Round trip
September 9 - September 11
ICN - San Francisco
$799
$820
Round trip
September 16 - September 23
ICN - San Francisco
$752
$825
Round trip
October 17 - October 31
ICN - San Francisco
$683
$826
Round trip
November 4 - November 15
ICN - San Francisco
$835
$826
Round trip
July 7 - July 29
ICN - San Francisco
$895
$828
Round trip
July 7 - July 23
ICN - San Francisco
$899
$828
Round trip
Unlock all 500+ flight deals to San Francisco and get alerts when great deals appear
Route Intelligence — 486,190 Searches this Week
Insights for flights from Seoul to San Francisco
How much is a round trip from Seoul to San Francisco
Regular price: $647 - $1,173
Prices for flights from Seoul to San Francisco are currently within the regular range.
The regular price range for this route is between $647 and $1173. The current lowest deal is $817 with Air Premia, for travel from September 14 to September 21, 2026.
now $817
Low $647
High $1,173
The cheapest time to fly from Seoul to San Francisco
The cheapest month to fly from Seoul to San Francisco is June, with a median price of $600. The most expensive month is March, with a median price of $799. Prices are generally lower from February to December.
June
Flights from $600
March
Flights from $799
Direct flights from Seoul to San Francisco
Air Premia
Last-minute flights going from Seoul to San Francisco
Fri, Jun 19
ICN - San Francisco
Seoul (ICN) - San Francisco (SFO)
United Airlines
$961
$844
One-way
Thu, Jul 2
ICN - San Francisco
Seoul (ICN) - San Francisco (SFO)
Air Canada
$1,005
$864
One-way
Thu, Jul 2
ICN - San Francisco
Seoul (ICN) - San Francisco (SFO)
Air Canada
$1,005
$867
One-way
Mon, Jul 6
ICN - San Francisco
Seoul (ICN) - San Francisco (SFO)
Air Canada
$982
$832
One-way
Tue, Jul 7
ICN - San Francisco
Seoul (ICN) - San Francisco (SFO)
Air Canada
$895
$828
One-way
Tue, Jul 7
ICN - San Francisco
Seoul (ICN) - San Francisco (SFO)
Air Canada
$899
$828
One-way
Biggest price drops on these dates for flights from Seoul to San Francisco
Aug 19 - Aug 20
$1,046 → $855
18%
Aug 26 - Aug 27
$1,043 → $855
18%
Aug 24 - Aug 25
$1,043 → $855
18%
Aug 25 - Aug 27
$1,041 → $855
18%
Popular Airports to fly from Seoul to San Francisco
Seoul - San Francisco route insights
💸 Price insights
Recent fares are above the typical level
Recent fares for Seoul to San Francisco are above the typical level, with a median of $638.
📅 Best time to fly
Cheapest months: June, May, February
Historically, June ($600), May ($610), and February ($620) offer the lowest median prices.
⏱️ Flight duration
Median flight time is 16h 0m
The median flight time from Seoul to San Francisco is 16 hours, classifying it as a long-haul route.
✈️ Airlines & availability
Deals are frequent, with mixed direct options
Deals appear frequently, with about 1 deal per day. 43% of deals are direct flights.
🏆 Airline highlight
Air Premia offers direct flights
Air Premia is one airline that offers direct flights on the Seoul to San Francisco route.
🎯 Booking tip
Good prices are available for 32% of deals
Historically, 32% of deals for this route are considered good prices, starting from $539.
Seoul main airports to depart from
Incheon International (ICN)
Fly from Incheon International for a Seoul to San Francisco trip, offering a great value.
📍 ~50 km from Seoul (reachable by car, bus, or train)
💸 Flights from ~$817
Gimpo International (GMP)
Consider Gimpo International for your flight from Seoul to San Francisco.
📍 ~15 km from Seoul (reachable by car, bus, or train)
💸 Flights from ~$1097
San Francisco main airports to arrive at
San Francisco International (SFO)
San Francisco International Airport is a good option for travelers flying from Seoul to San Francisco.
📍 ~20 km from city center (reachable by car, bus, train)
💸 Flights from ~$817
Airports nearby San Francisco used as alternative
Oakland International (OAK)
Oakland International is a useful alternative with high flight frequency and direct public transit access to San Francisco.
📍 ~18 km from San Francisco (reachable by car)
💸 Flights from ~$1073
San Jose International (SJC)
San Jose International is a major international airport serving the South Bay, often with fewer weather delays than SFO.
📍 ~69 km from San Francisco (reachable by car)
💸 Flights from ~$1000
Sacramento International (SMF)
Sacramento International offers a robust domestic route network, suitable for travelers in the northern and eastern metro areas.
📍 ~125 km from San Francisco (reachable by car)
💸 Flights from ~$1056
Charles M. Schulz–Sonoma County (STS)
Charles M. Schulz–Sonoma County is convenient for travelers in the North Bay and Wine Country, with faster security.
📍 ~90 km from San Francisco (reachable by car)
💸 Flights from ~$1142
Monterey Regional (MRY)
Monterey Regional is an alternative for travelers in the southern coastal region, offering a less crowded terminal.
📍 ~140 km from San Francisco (reachable by car)
💸 Flights from ~$1127
Business & First Class Flight Deals to San Francisco
Discover luxury on the budget with premium cabin class on flights from Seoul to San Francisco.
Elite
Best Elite deals to San Francisco
Exclusive daily First Class, Business Class, and Premium Economy flight deals, refreshed every 24 hours.
From ICN
Elite
Aug 02
San Francisco, United States
90% AI deal score
$11,196
$8,054
Save $3,142
From ICN
Elite
Sep 09
San Francisco, United States
89% AI deal score
$3,876
$3,168
Save $708
From ICN
Elite
Aug 02
San Francisco, United States
85% AI deal score
$10,686
$8,054
Save $2,632
From ICN
Elite
Oct 16
San Francisco, United States
84% AI deal score
$10,448
$8,054
Save $2,394
From ICN
Elite
Aug 02
San Francisco, United States
84% AI deal score
$10,146
$8,054
Save $2,092
From ICN
Elite
Jun 29
San Francisco, United States
84% AI deal score
$11,023
$8,905
Save $2,118
From ICN
Elite
Jun 22
San Francisco, United States
84% AI deal score
$11,376
$8,989
Save $2,387
From ICN
Elite
Aug 05
San Francisco, United States
83% AI deal score
$10,741
$8,805
Save $1,936
From ICN
Elite
Sep 22
San Francisco, United States
83% AI deal score
$10,766
$8,817
Save $1,949
From ICN
Elite
Aug 12
San Francisco, United States
83% AI deal score
$11,306
$8,870
Save $2,436
From ICN
Elite
Aug 05
San Francisco, United States
83% AI deal score
$11,095
$8,884
Save $2,211
From ICN
Elite
Nov 02
San Francisco, United States
83% AI deal score
$10,715
$8,939
Save $1,776
From ICN
Elite
Jun 29
San Francisco, United States
83% AI deal score
$11,023
$9,035
Save $1,988
From ICN
Elite
Jun 29
San Francisco, United States
83% AI deal score
$10,709
$9,035
Save $1,674
From ICN
Elite
Jun 22
San Francisco, United States
83% AI deal score
$11,118
$9,066
Save $2,052
From ICN
Elite
Oct 16
San Francisco, United States
82% AI deal score
$9,865
$8,363
Save $1,502
From ICN
Elite
Oct 05
San Francisco, United States
82% AI deal score
$10,777
$8,907
Save $1,870
From ICN
Elite
Aug 07
San Francisco, United States
82% AI deal score
$10,278
$8,913
Save $1,365
From ICN
Elite
Jul 11
San Francisco, United States
82% AI deal score
$10,763
$9,002
Save $1,761
From ICN
Elite
Jun 19
San Francisco, United States
82% AI deal score
$11,271
$9,490
Save $1,781
From ICN
Elite
Jul 27
San Francisco, United States
81% AI deal score
$4,376
$3,891
Save $485
From ICN
Elite
Jul 01
San Francisco, United States
81% AI deal score
$4,429
$3,891
Save $538
From ICN
Elite
Oct 27
San Francisco, United States
81% AI deal score
$9,822
$8,763
Save $1,059
From ICN
Elite
Aug 31
San Francisco, United States
81% AI deal score
$9,727
$8,805
Save $922
From ICN
Elite
Aug 10
San Francisco, United States
81% AI deal score
$10,070
$8,896
Save $1,174
From ICN
Elite
Nov 15
San Francisco, United States
81% AI deal score
$9,835
$8,939
Save $896
From ICN
Elite
Aug 04
San Francisco, United States
80% AI deal score
$4,231
$3,891
Save $340
From ICN
Elite
Sep 09
San Francisco, United States
80% AI deal score
$4,229
$3,891
Save $338
From ICN
Elite
Aug 31
San Francisco, United States
80% AI deal score
$4,228
$3,891
Save $337
From ICN
Elite
Jul 01
San Francisco, United States
80% AI deal score
$9,675
$8,810
Save $865
From ICN
Elite
Aug 31
San Francisco, United States
80% AI deal score
$9,666
$8,886
Save $780
From ICN
Elite
Jul 09
San Francisco, United States
80% AI deal score
$9,744
$8,896
Save $848
From ICN
Elite
Jul 08
San Francisco, United States
80% AI deal score
$9,744
$8,937
Save $807
From ICN
Elite
Jul 19
San Francisco, United States
80% AI deal score
$9,675
$8,952
Save $723
From ICN
Elite
Jul 06
San Francisco, United States
80% AI deal score
$9,568
$8,958
Save $610
From ICN
Elite
Sep 07
San Francisco, United States
80% AI deal score
$9,597
$9,002
Save $595
From ICN
Elite
Aug 05
San Francisco, United States
79% AI deal score
$4,157
$3,891
Save $266
From ICN
Elite
Aug 05
San Francisco, United States
79% AI deal score
$4,108
$3,891
Save $217
From ICN
Elite
Sep 08
San Francisco, United States
79% AI deal score
$4,103
$3,891
Save $212
From ICN
Elite
Jul 23
San Francisco, United States
78% AI deal score
$4,056
$3,882
Save $174
From ICN
Elite
Jul 06
San Francisco, United States
78% AI deal score
$4,016
$3,890
Save $126
From ICN
Elite
Jul 14
San Francisco, United States
78% AI deal score
$4,059
$3,891
Save $168
From ICN
Elite
Jul 27
San Francisco, United States
78% AI deal score
$4,068
$3,891
Save $177
From ICN
Elite
Jul 01
San Francisco, United States
78% AI deal score
$4,081
$3,891
Save $190
From ICN
Elite
Jul 29
San Francisco, United States
78% AI deal score
$3,979
$3,891
Save $88
From ICN
Elite
Sep 08
San Francisco, United States
78% AI deal score
$3,987
$3,891
Save $96
From ICN
Elite
Jul 27
San Francisco, United States
77% AI deal score
$3,930
$3,891
Save $39
From ICN
Elite
Jul 21
San Francisco, United States
76% AI deal score
$3,641
$3,575
Save $66
From ICN
Elite
Aug 18
San Francisco, United States
76% AI deal score
$2,257
From ICN
Elite
Aug 18
San Francisco, United States
76% AI deal score
$2,257
From ICN
Elite
Aug 18
San Francisco, United States
76% AI deal score
$2,257
From ICN
Elite
Aug 18
San Francisco, United States
76% AI deal score
$2,257
From ICN
Elite
Aug 17
San Francisco, United States
76% AI deal score
$2,284
From ICN
Elite
Aug 17
San Francisco, United States
76% AI deal score
$2,284
From ICN
Elite
Aug 17
San Francisco, United States
76% AI deal score
$2,284
From ICN
Elite
Aug 17
San Francisco, United States
76% AI deal score
$2,284
From ICN
Elite
Jun 30
San Francisco, United States
76% AI deal score
$2,287
From ICN
Elite
Jul 16
San Francisco, United States
76% AI deal score
$2,287
From ICN
Elite
Jul 14
San Francisco, United States
76% AI deal score
$2,301
From ICN
Elite
Aug 31
San Francisco, United States
76% AI deal score
$2,301
From ICN
Elite
Jul 25
San Francisco, United States
76% AI deal score
$2,338
From ICN
Elite
Jul 02
San Francisco, United States
76% AI deal score
$2,341
From ICN
Elite
Jul 13
San Francisco, United States
76% AI deal score
$2,341
From ICN
Elite
Jul 13
San Francisco, United States
76% AI deal score
$2,341
From ICN
Elite
Jul 03
San Francisco, United States
76% AI deal score
$2,341
From ICN
Elite
Jul 13
San Francisco, United States
76% AI deal score
$2,341
From ICN
Elite
Jul 13
San Francisco, United States
76% AI deal score
$2,341
From ICN
Elite
Jul 02
San Francisco, United States
76% AI deal score
$2,341
From ICN
Elite
Jul 02
San Francisco, United States
76% AI deal score
$2,341
From ICN
Elite
Jul 02
San Francisco, United States
76% AI deal score
$2,341
From ICN
Elite
Jul 03
San Francisco, United States
76% AI deal score
$2,341
From ICN
Elite
Jul 03
San Francisco, United States
76% AI deal score
$2,341
From ICN
Elite
Jul 03
San Francisco, United States
76% AI deal score
$2,341
From ICN
Elite
Aug 27
San Francisco, United States
76% AI deal score
$2,354
From ICN
Elite
Jul 13
San Francisco, United States
76% AI deal score
$2,365
From ICN
Elite
Jul 13
San Francisco, United States
76% AI deal score
$2,365
From ICN
Elite
Jul 13
San Francisco, United States
76% AI deal score
$2,365
From ICN
Elite
Jul 13
San Francisco, United States
76% AI deal score
$2,365
From ICN
Elite
Jun 25
San Francisco, United States
76% AI deal score
$2,385
From ICN
Elite
Jul 03
San Francisco, United States
76% AI deal score
$2,443
From ICN
Elite
Sep 10
San Francisco, United States
76% AI deal score
$2,467
From ICN
Elite
Sep 09
San Francisco, United States
76% AI deal score
$2,467
From ICN
Elite
Aug 07
San Francisco, United States
76% AI deal score
$2,537
From ICN
Elite
Jun 30
San Francisco, United States
75% AI deal score
$2,385
From ICN
Elite
Jul 28
San Francisco, United States
75% AI deal score
$2,502
From ICN
Elite
Jun 26
San Francisco, United States
75% AI deal score
$2,519
From ICN
Elite
Jun 23
San Francisco, United States
75% AI deal score
$2,524
From ICN
Elite
Jul 21
San Francisco, United States
75% AI deal score
$2,533
From ICN
Elite
Jul 27
San Francisco, United States
75% AI deal score
$2,548
From ICN
Elite
Aug 12
San Francisco, United States
75% AI deal score
$2,602
From ICN
Elite
Jul 18
San Francisco, United States
75% AI deal score
$2,613
From ICN
Elite
Jul 15
San Francisco, United States
74% AI deal score
$3,420
From ICN
Elite
Jun 25
San Francisco, United States
73% AI deal score
$3,891
From ICN
Elite
Jun 29
San Francisco, United States
73% AI deal score
$3,891
From ICN
Elite
Sep 02
San Francisco, United States
73% AI deal score
$3,935
From ICN
Elite
Sep 13
San Francisco, United States
73% AI deal score
$3,940
From ICN
Elite
Sep 04
San Francisco, United States
73% AI deal score
$3,940
From ICN
Elite
Sep 19
San Francisco, United States
73% AI deal score
$4,053
From ICN
Elite
Sep 22
San Francisco, United States
73% AI deal score
$4,053
From ICN
Elite
Jun 27
San Francisco, United States
73% AI deal score
$3,683