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$319+ Cheap flights from Incheon Intl (ICN) to San Francisco (SFO)

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 2/5. Fares are subject to change and may not be available on all flights or dates of travel.
ICN — SFO
Jan 28 — Feb 41
Tue 1/28
Tue 2/4
1 adult, Economy
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The best prices from Incheon Intl to San Francisco are usually found in November or February, booked 68 days in advance, depart on a Friday or Tuesday and return on a Monday

Cheap flight deals from Incheon Intl to San Francisco

Discover tips and strategies to find the most affordable flight options for your journey from Incheon Intl (ICN) to San Francisco (SFO). 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 January 23, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$526
(AIR PREMIA)

One-way from

$319
(Mytrip)

Popular in

July

Cheapest in

November

Average price

$952

Good round-trip deal

$657 or less

Good one-way deal

$454 or less
Provider with most accurate pricing for Incheon Intl-San Francisco flight deals.
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Provider most trusted by Cheapflights users for Incheon Intl-San Francisco flights.
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From Incheon Intl to San Francisco
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One-way flight from Incheon Intl to San Francisco
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Highest demand for flights based on searches. 18% potential increase in price ($212 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($29 potential savings vs. average RT price).
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Average for round-trip flights in January 2025
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Price to beat on a round-trip flight from Incheon Intl to San Francisco.
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Price to beat on a one-way flight from Incheon Intl to San Francisco.
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Find flight deals from Incheon Intl to San Francisco

Cheapest flights from Incheon Intl to San Francisco
Explore the most affordable flight options available from Incheon Intl to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 23, 2025.

This Mytrip deal was found by Cheapflights users on 1/23. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/316:55 pmICN - SFO
Nonstop10h 05mAIR PREMIA
Fri 2/142:30 pmSFO - ICN
Nonstop13h 00mAIR PREMIA
Deal found 1/23$526
This Expedia deal was found by Cheapflights users on 1/22. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/174:55 pmICN - SFO
1 stop20h 01mAir Canada
Mon 5/197:40 pmSFO - ICN
1 stop28h 25mAir Canada
Deal found 1/22$528
This United Airlines deal was found by Cheapflights users on 1/22. 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 2/312:45 pmICN - SFO
Nonstop10h 35mUnited Airlines
Wed 2/2611:45 pmSFO - ICN
Nonstop12h 55mUnited Airlines
Deal found 1/22$539
This Gotogate deal was found by Cheapflights users on 1/22. 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.
Sun 3/24:15 pmICN - SFO
2 stops44h 25mChina Southern
Thu 3/2012:35 amSFO - ICN
2 stops45h 15mChina Southern
Deal found 1/22$545
This Air Canada deal was found by Cheapflights users on 1/23. 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 2/184:55 pmICN - SFO
1 stop15h 40mMultiple Airlines
Tue 3/411:59 pmSFO - ICN
2 stops46h 16mMultiple Airlines
Deal found 1/23$552
This WhyPayMore deal was found by Cheapflights users on 1/22. 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 WhyPayMore is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/38:50 pmICN - SFO
Nonstop10h 10mAsiana Airlines
Sat 2/2211:30 pmSFO - ICN
Nonstop13h 00mAsiana Airlines
Deal found 1/22$649
This WhyPayMore deal was found by Cheapflights users on 1/22. 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 WhyPayMore is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/114:00 pmICN - SFO
Nonstop10h 40mKorean Air
Sun 8/241:10 pmSFO - ICN
Nonstop12h 10mKorean Air
Deal found 1/22$661

Find flights from Incheon Intl to San Francisco within your budget

Customize your flight search to find flights from Incheon Intl to San Francisco 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 January 23, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

IncheonSan Francisco

ICN - SFO

ICNSFO

Incheon Intl

Sun 2/2

6:55 pm-12:00 pm

Nonstop10h 05m

San Francisco

Wed 2/12

2:30 pm-8:30 pm

Nonstop13h 00m

$527

IncheonSan Francisco

ICN - SFO

ICNSFO

Incheon Intl

Mon 3/17

4:55 pm-8:56 pm

1 stop20h 01m

San Francisco

Mon 5/19

7:40 pm-4:05 pm

1 stop28h 25m

$528

IncheonSan Francisco

ICN - SFO

ICNSFO

Incheon Intl

Mon 2/3

12:45 pm-6:20 am

Nonstop10h 35m

San Francisco

Wed 2/26

11:45 pm-5:40 am

Nonstop12h 55m

$539

IncheonSan Francisco

ICN - SFO

ICNSFO

Incheon Intl

Sun 3/2

4:15 pm-7:40 pm

2 stops44h 25m

San Francisco

Thu 3/20

12:35 am-1:50 pm

2 stops45h 15m

$545

IncheonSan Francisco

ICN - SFO

ICNSFO

Incheon Intl

Tue 2/18

4:55 pm-3:35 pm

1 stop15h 40m

San Francisco

Tue 3/4

11:59 pm-3:15 pm

2 stops46h 16m

$552

IncheonSan Francisco

ICN - SFO

ICNSFO

Incheon Intl

Mon 2/3

8:50 pm-2:00 pm

Nonstop10h 10m

San Francisco

Sat 2/22

11:30 pm-5:30 am

Nonstop13h 00m

$649

IncheonSan Francisco

ICN - SFO

ICNSFO

Incheon Intl

Fri 4/11

4:00 pm-10:40 am

Nonstop10h 40m

San Francisco

Sun 8/24

1:10 pm-5:20 pm

Nonstop12h 10m

$661

IncheonSan Francisco

ICN - SFO

ICNSFO

Incheon Intl

Wed 2/5

6:55 pm-12:00 pm

Nonstop10h 05m

$319

IncheonSan Francisco

ICN - SFO

ICNSFO

Incheon Intl

Mon 3/17

8:05 am-10:12 am

2 stops42h 07m

$332

IncheonSan Francisco

ICN - SFO

ICNSFO

Incheon Intl

Fri 1/31

1:05 pm-1:40 pm

1 stop17h 35m

$348

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/23

Showing 1-10 of 13 results
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Compare providers for flights from Incheon Intl to San Francisco

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 Incheon Intl to San Francisco in January.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
ExpediaPrice Accuracy1 starTrust Score*3 stars
Kiwi.comPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
MytripPrice Accuracy3 starsTrust Score*3 stars
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
GurufarePrice Accuracy3 starsTrust Score*3 stars
OneTravelPrice Accuracy2 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Incheon Intl Airport-San Francisco flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Incheon Intl Airport-San Francisco flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Incheon Intl Airport-San Francisco flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Incheon Intl Airport-San Francisco flights, Cheapflights users trust FlightHub the most. FlightHub 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 Incheon Intl Airport-San Francisco flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Incheon Intl to San Francisco

Have a flexible travel schedule? Discover the best time to fly to San Francisco from Incheon Intl 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.

Travel insights for flights from Incheon Intl to San Francisco

Get recent, data-driven insights about flights from Incheon Intl to San Francisco including ideal travel times, pricing trends, and more.

How far ahead should I book a flight from Incheon Intl Airport to San Francisco?

Use this chart to determine the optimal time to book a round-trip flight from Incheon Intl to San Francisco. Price data was last updated on January 17, 2025.

The price you pay for your flight from Incheon Intl Airport to San Francisco may vary depending on when you book. For the best chance of a lower fare, look to book 68 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Incheon Intl Airport to San Francisco?

Currently, January is the cheapest month in which you can book a flight from Incheon Intl Airport to San Francisco (average of $276). Flying from Incheon Intl Airport to San Francisco in June is currently the most expensive (average of $404). 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 ICN to SFO?

Find hourly flight availability from Incheon Intl to San Francisco. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 23, 2025.

It’s optimal to fly from Incheon Intl Airport to San Francisco at noon. By choosing this option you can save up to 43% on the cost of your flight, compared to a flight in the evening.

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

Use this chart to determine the cheapest time to fly round-trip from Incheon Intl to San Francisco. Price data was last updated on January 21, 2025.

Travelers seeking maximum savings on their Incheon Intl Airport to San Francisco flight should consider departing on Thursday at noon when fares are most often at their lowest. Saturday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Incheon Intl Airport to San Francisco

Explore weekly flight availability from Incheon Intl to San Francisco. 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 January 23, 2025.

The most flights from ICN to SFO are scheduled on a Monday (14 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (8 on average).

Rainfall in San Francisco by month

Plan your trip to San Francisco by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in San Francisco ranges from 0.0 - 4.4 inches per month. January is typically the wettest month, when rainfall can reach 4.4 in. July is typically the driest time to visit San Francisco when rainfall is around 0.0 in.

Temperature in San Francisco by month

Plan your trip to San Francisco by taking into account the average temperature totals by month.

If weather is an important factor for your trip to San Francisco, use this chart to help with planning. For those seeking warmer temperatures, September is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).

Reviews of airlines servicing San Francisco

Get insights into the airlines that provide service to San Francisco. 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 San Francisco. Reviews last updated January 23, 2025.
Read through reviews of airlines operating flights from Seoul to San Francisco, such as Asiana Airlines and Korean Air. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.5
Very good
1,037 reviews

Boarding

8.5

Entertainment

8.2

Food

8.1

Comfort

8.3

Crew

8.8

Overall

8.5

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Korean Air
8.5
Very good
1,037 reviews
Korean Air
8.5
Very good
1,037 reviews

Boarding

8.5

Entertainment

8.2

Food

8.1

Comfort

8.3

Crew

8.8

Overall

8.5

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Asiana Airlines
8.3
Very good
466 reviews
Korean Air
8.5
Very good
1,037 reviews

Boarding

8.5

Entertainment

8.2

Food

8.1

Comfort

8.3

Crew

8.8

Overall

8.5

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

China Airlines
8.2
Very good
732 reviews
Korean Air
8.5
Very good
1,037 reviews

Boarding

8.5

Entertainment

8.2

Food

8.1

Comfort

8.3

Crew

8.8

Overall

8.5

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

AIR PREMIA
8.2
Very good
53 reviews
Korean Air
8.5
Very good
1,037 reviews

Boarding

8.5

Entertainment

8.2

Food

8.1

Comfort

8.3

Crew

8.8

Overall

8.5

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Vietnam Airlines
7.7
Good
211 reviews
Korean Air
8.5
Very good
1,037 reviews

Boarding

8.5

Entertainment

8.2

Food

8.1

Comfort

8.3

Crew

8.8

Overall

8.5

Reviews

1 / 10

Flight was short, so we did not get food, but that is expected. Only have entertainment a fair rating because no wifi is provided onboard. Good flight overall.

Related info for your journey

Find useful and relevant information for your journey from Incheon Intl to San Francisco. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to San Francisco from Incheon Intl?

    For a flight from Incheon Intl to San Francisco, you will be flying into San Francisco. San Francisco (SFO) is just 11.8 mi from the center of the city. San Francisco is the only San Francisco airport and it handles 11 inbound flights from Incheon Intl per day. 8 airlines have flights to San Francisco from Incheon Intl on a regular basis.

  • How popular is this Incheon Intl Airport to San Francisco flight route?

    Flights from Incheon Intl to San Francisco have been viewed 41 times in the past calendar month.

  • What are the cheapest airlines flying from Incheon Intl Airport to San Francisco round-trip?

    Flying on AIR PREMIA is currently your cheapest option to San Francisco, with prices starting at $526. Additional round-trip tickets that might be worth considering are offered by Air Canada and United Airlines, with the lowest prices starting at $528 and $541, respectively. These flights start at 44% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Incheon Intl Airport to San Francisco one-way?

    For one-way options, check prices for AIR PREMIA. According to our data, you can fly for as low as $319. Users have also found prices from $348 and $363 on ZIPAIR and China Southern, respectively.

  • What are the most reliable airlines from Incheon Intl Airport to San Francisco?

    Consider Asiana Airlines (67%), United Airlines (67%) or Thai Airways (58%) when booking your flight. These represent the most reliable airlines when flying from Incheon Intl Airport to San Francisco.

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

    While on average a flight from Incheon Intl Airport to San Francisco is generally $1,599, our data shows the cheapest flight currently is $360. When looking at the most popular route, (Incheon Intl - San Francisco), you can expect to pay $472 for that flight.

  • Can I find deals for flights from Incheon Intl to San Francisco that include hotel bookings?

    Yes. In addition to deals on Incheon Intl to San Francisco flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Incheon Intl to San Francisco?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Incheon Intl to San Francisco.

  • Can I find deals for business class flights from Incheon Intl to San Francisco?

    Yes. Cheapflights offers flight deals from Incheon Intl to San Francisco by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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

    Currently, January is the cheapest month in which you can book a flight from Incheon Intl Airport to San Francisco (average of $276). Flying from Incheon Intl Airport to San Francisco in June is currently the most expensive (average of $404). 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.

See more FAQs

Traveling to a place near Incheon Intl Airport?

Book flights to Incheon Intl Airport if you plan to visit one of these locations
Roseville
Mountain View
Turlock
Santa Cruz
Fairfield
Manteca
Sausalito
Watsonville
Hayward
Richmond
Hollister
South San Francisco
Antioch
Milpitas
Elk Grove
Newark
Alameda
Campbell
Lathrop
Pacific Grove

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Top 8 airlines flying from Incheon Intl to San Francisco

Discover the top 8 airlines that operate flights from Incheon Intl to San Francisco. 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 January 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$464Average$568FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$493Average$679FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$532Average$773FlexibilityNo cancel feeOn-time69%
AIR PREMIACheapest$545Average$888FlexibilityNo cancel feeOn-timeN/A
Asiana AirlinesCheapest$637Average$1,075FlexibilityNo cancel feeOn-time76%
Hawaiian AirlinesCheapest$665Average$971FlexibilityNo cancel feeOn-time85%
Korean AirCheapest$723Average$1,213FlexibilityNo cancel feeOn-time81%
DeltaCheapest$759Average$867FlexibilityNo cancel feeOn-timeN/A
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