Air Premia's Premium Economy offers 42-43 inches of legroom, priority boarding, and premium meals.
Economy class on Air Premia provides 35 inches of legroom, ideal for long flights.
$355+ Cheap flights from San Francisco (SFO) to Seoul (SEL)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/5. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — SEL
May 25 — Jun 11
1 adult, Economy
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Find cheap flights from San Francisco to Seoul with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheapflights Tip: The best prices from San Francisco to Seoul are usually found in February or March, booked 90 days in advance, depart on a Sunday or Monday and return on a Monday
Cheap flight deals from San Francisco to Seoul
Discover tips and strategies to find the most affordable flight options for your journey from San Francisco (SFO) to Seoul (SEL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated May 20, 2025.
Most accurate provider | AranGrant 3 stars |
|---|---|
Most trusted provider | AranGrant 3 stars |
Round-trip from | $658 (United Airlines) |
One-way from | $355 (FlightHub) |
Popular in | December |
Cheapest in | February |
Average price | $920 |
Good round-trip deal | $707 or less |
Good one-way deal | $394 or less |
Find flight deals from San Francisco to Seoul
Cheapest flights from San Francisco to SeoulExplore the most affordable flight options available from San Francisco to Seoul. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 20, 2025.
Explore the most affordable flight options available from San Francisco to Seoul. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 20, 2025.
This Gotogate deal was found by Cheapflights users on 5/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/43:30 pmSFO - ICN
Nonstop13h 00mAIR PREMIA
Mon 8/186:20 pmICN - SFO
Nonstop10h 40mAIR PREMIA
Deal found 5/20![AIR PREMIA logo]()
$653
This United Airlines deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/1911:40 pmSFO - ICN
Nonstop12h 40mUnited Airlines
Sun 6/111:30 amICN - SFO
Nonstop11h 00mUnited Airlines
Deal found 5/18![United Airlines logo]()
$661
This Hawaiian Airlines deal was found by Cheapflights users on 5/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/197:00 amSFO - ICN
1 stop19h 35mHawaiian Airlines
Sun 11/29:25 pmICN - SFO
1 stop15h 35mHawaiian Airlines
Deal found 5/19![Hawaiian Airlines logo]()
$671
This Air Canada deal was found by Cheapflights users on 5/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/167:10 amSFO - ICN
1 stop16h 55mMultiple Airlines
Tue 9/309:45 amICN - SFO
2 stops27h 58mMultiple Airlines
Deal found 5/20![Multiple Airlines logo]()
$673
This Alaska Airlines deal was found by Cheapflights users on 5/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/186:24 pmSFO - ICN
1 stop32h 11mAlaska Airlines
Wed 10/299:25 pmICN - SFO
1 stop16h 05mAlaska Airlines
Deal found 5/20![Alaska Airlines logo]()
$682
This CrystalTravel deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2111:30 pmSFO - ICN
Nonstop13h 00mAsiana Airlines
Sun 11/28:40 pmICN - SFO
Nonstop11h 20mAsiana Airlines
Deal found 5/18![Asiana Airlines logo]()
$701
This Gotogate deal was found by Cheapflights users on 5/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/2612:00 pmSFO - ICN
2 stops32h 10mChina Eastern
Wed 6/186:25 pmICN - SFO
1 stop30h 40mChina Eastern
Deal found 5/19![China Eastern logo]()
$752
This Air Canada deal was found by Cheapflights users on 5/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/311:05 pmSFO - ICN
2 stops35h 00mAir Canada
Wed 12/106:50 pmICN - SFO
1 stop14h 05mAir Canada
Deal found 5/19![Air Canada logo]()
$789
This CrystalTravel deal was found by Cheapflights users on 5/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/13:45 pmSFO - ICN
1 stop21h 15mKorean Air
Sun 9/214:00 pmICN - SFO
Nonstop10h 40mKorean Air
Deal found 5/20![Korean Air logo]()
$795
This Gotogate deal was found by Cheapflights users on 5/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/812:00 pmSFO - GMP
1 stop31h 00mChina Eastern
Wed 9/248:50 pmGMP - SFO
1 stop28h 15mChina Eastern
Deal found 5/20![China Eastern logo]()
$800
This Gotogate deal was found by Cheapflights users on 5/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/2111:10 pmSFO - ICN
1 stop21h 30mCathay Pacific
Sun 6/13:10 pmICN - SFO
1 stop23h 45mCathay Pacific
Deal found 5/19![Cathay Pacific logo]()
$816
This FlightHub deal was found by Cheapflights users on 5/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2112:25 pmSFO - GMP
1 stop30h 20mJapan Airlines
Wed 8/2712:05 pmGMP - SFO
1 stop14h 00mJapan Airlines
Deal found 5/19![Japan Airlines logo]()
$823
Cheapflights Fare Finder
Customize your flight search to find flights from San Francisco to Seoul that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated May 20, 2025.
Use the filters below to find and compare flights from San Francisco to Seoul that are best for you.
Fly from
San Francisco
Fly to
Seoul
Route
Depart
Return
Price
San FranciscoIncheon
SFO - ICN
SFOICN
San Francisco
Mon 8/4
3:30 pm-8:30 pm
Nonstop13h 00m
Incheon Intl
Mon 8/18
6:20 pm-1:00 pm
Nonstop10h 40m
$653
San FranciscoIncheon
SFO - ICN
SFOICN
San Francisco
Thu 8/28
11:55 pm-4:20 am
Nonstop12h 25m
Incheon Intl
Mon 9/8
4:50 pm-11:35 am
Nonstop10h 45m
$663
San FranciscoIncheon
SFO - ICN
SFOICN
San Francisco
Fri 9/19
7:00 am-6:35 pm
1 stop19h 35m
Incheon Intl
Sun 11/2
9:25 pm-8:00 pm
1 stop15h 35m
$671
San FranciscoIncheon
SFO - ICN
SFOICN
San Francisco
Tue 9/16
7:10 am-4:05 pm
1 stop16h 55m
Incheon Intl
Tue 9/30
9:45 am-9:43 pm
2 stops27h 58m
$673
San FranciscoIncheon
SFO - ICN
SFOICN
San Francisco
Sat 10/18
6:24 pm-6:35 pm
1 stop32h 11m
Incheon Intl
Wed 10/29
9:25 pm-9:30 pm
1 stop16h 05m
$682
San FranciscoIncheon
SFO - ICN
SFOICN
San Francisco
Tue 10/21
11:30 pm-4:30 am
Nonstop13h 00m
Incheon Intl
Sun 11/2
8:40 pm-3:00 pm
Nonstop11h 20m
$701
San FranciscoIncheon
SFO - ICN
SFOICN
San Francisco
Mon 9/8
12:00 pm-3:25 pm
1 stop35h 25m
Incheon Intl
Wed 12/3
4:20 pm-9:00 am
1 stop33h 40m
$753
San FranciscoIncheon
SFO - ICN
SFOICN
San Francisco
Sun 8/31
1:05 pm-4:05 pm
2 stops35h 00m
Incheon Intl
Mon 9/22
5:45 pm-12:23 pm
2 stops34h 38m
$789
San FranciscoIncheon
SFO - ICN
SFOICN
San Francisco
Mon 9/1
3:45 pm-5:00 am
1 stop21h 15m
Incheon Intl
Sun 9/21
4:00 pm-10:40 am
Nonstop10h 40m
$795
San FranciscoSeoul
SFO - GMP
SFOGMP
San Francisco
Mon 9/8
12:00 pm-11:00 am
1 stop31h 00m
Seoul Gimpo Intl
Wed 9/24
8:50 pm-9:05 am
1 stop28h 15m
$800
Showing 1-10 of 31 results
Compare providers for flights from San Francisco to Seoul
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from San Francisco to Seoul in May.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*2 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*3 stars | |
| Price Accuracy- | Trust Score*1 star | |
| Price Accuracy3 stars | Trust Score*2 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on San Francisco-Seoul flights, users find the pricing of AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on San Francisco-Seoul flight deals on Cheapflights vs. AranGrant >95% of the time. Price accuracy is based on data collected from San Francisco-Seoul flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on San Francisco-Seoul flights, Cheapflights users trust AranGrant the most. AranGrant has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San Francisco-Seoul flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
The best insider tips for San Francisco to Seoul flights
Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your San Francisco to Seoul trip
Airlines
![AIR PREMIA]()
AIR PREMIA
![Asiana Airlines]()
Asiana Airlines
Enjoy fully flat beds in Asiana's business class with 81” length and 32” screens.
Asiana's economy seats offer 18.9” width and 33” pitch, with USB power outlets.
Airports
Our travel experts
Best time to book a flight from San Francisco to Seoul
Have a flexible travel schedule? Discover the best time to fly to Seoul from San Francisco with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from San Francisco to Seoul
How far ahead should I book a flight from San Francisco to Seoul?
Use this chart to determine the optimal time to book a round-trip flight from San Francisco to Seoul. Price data was last updated on May 16, 2025.
The best time to book flights from San Francisco to Seoul is 90 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest month to book a flight from San Francisco to Seoul?
Currently, February is the cheapest month in which you can book a flight from San Francisco to Seoul (average of $1,001). Flying from San Francisco to Seoul in December is currently the most expensive (average of $1,635). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from SFO to SEL?
Find hourly flight availability from San Francisco to Seoul. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated May 20, 2025.
When flying from San Francisco to Seoul, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 14% versus a flight at noon.
What is the cheapest day to fly from San Francisco to Seoul?
Use this chart to determine the cheapest time to fly round-trip from San Francisco to Seoul. Price data was last updated on December 16, 2024.
Travelers seeking maximum savings on their San Francisco to Seoul flight should consider departing on Tuesday afternoons when fares are most often at their lowest. Tuesday at noon flights should be avoided if possible as fares are typically the most expensive at this time.
Weekly flight availability from San Francisco to Seoul
Explore weekly flight availability from San Francisco to Seoul. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated May 20, 2025.
The most flights from SFO to SEL are scheduled on a Monday (11 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (6 on average).
Rainfall in Seoul by month
Plan your trip to Seoul by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in Seoul ranges from 1.1 - 10.0 inches per month. July is typically the wettest month, when rainfall can reach 10.0 in. December is typically the driest time to visit Seoul when rainfall is around 1.1 in.
Temperature in Seoul by month
Plan your trip to Seoul by taking into account the average temperature totals by month.
If weather is an important factor for your trip to Seoul, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 77.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 35.6 F).
Reviews of airlines servicing Seoul
Get insights into the airlines that provide service to Seoul. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Seoul. Reviews last updated May 20, 2025.
Peruse reviews from past customers who have flown with EVA Air, Korean Air and Japan Airlines from San Francisco to Seoul to help guide your decision. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Boarding
8.4
Overall
8.4
Crew
8.6
Comfort
8.3
Food
8.1
Entertainment
8.0
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2025
TPE - SEA
Boarding
8.4
Overall
8.4
Crew
8.6
Comfort
8.3
Food
8.1
Entertainment
8.0
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2025
TPE - SEA
Boarding
8.4
Overall
8.4
Crew
8.6
Comfort
8.3
Food
8.1
Entertainment
8.0
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2025
TPE - SEA
Boarding
8.4
Overall
8.4
Crew
8.6
Comfort
8.3
Food
8.1
Entertainment
8.0
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2025
TPE - SEA
Boarding
8.4
Overall
8.4
Crew
8.6
Comfort
8.3
Food
8.1
Entertainment
8.0
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2025
TPE - SEA
Boarding
8.4
Overall
8.4
Crew
8.6
Comfort
8.3
Food
8.1
Entertainment
8.0
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2025
TPE - SEA
Related info for your journey
Find useful and relevant information for your journey from San Francisco to Seoul. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes for San Francisco to Seoul
See prices for flight routes from nearby airports that may be better suited for you.
Top 10 airlines flying from San Francisco to Seoul
Discover the top 10 airlines that operate flights from San Francisco to Seoul. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated May 20, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$403 | Average$887 | FlexibilityNo cancel fee | On-time85% | |
| Cheapest$629 | Average$869 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$651 | Average$752 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$660 | Average$937 | FlexibilityNo cancel fee | On-time76% | |
| Cheapest$660 | Average$831 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$675 | Average$1,075 | FlexibilityNo cancel fee | On-time75% | |
| Cheapest$780 | Average$1,028 | FlexibilityNo cancel fee | On-time81% | |
| Cheapest$789 | Average$962 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$809 | Average$882 | FlexibilityNo cancel fee | On-time72% | |
| Cheapest$833 | Average$864 | FlexibilityNo cancel fee | On-time81% |