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$366+ 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 9/19. Fares are subject to change and may not be available on all flights or dates of travel.
ICN — SFO
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheapflights Tip: The best prices from Incheon Intl to San Francisco are usually found in March or February, booked 68 days in advance, depart on a Wednesday or Monday and return on a Sunday

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 June 12, 2025.

Round-trip from

$460
(Mytrip)

One-way from

$373
(FlightHub)

Popular in

August

Cheapest in

March

Average price

$696

Good round-trip deal

$551 or less

Good one-way deal

$424 or less
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. 16% potential increase in price ($146 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($25 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 12, 2025.

This Gotogate deal was found by Cheapflights users on 6/12. 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 9/105:45 pmICN - SFO
1 stop13h 43mAir Canada
Sun 9/1411:35 amSFO - ICN
1 stop36h 30mAir Canada
Deal found 6/12$460
This Air Canada deal was found by Cheapflights users on 6/12. 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.
Wed 9/1010:35 amICN - SFO
2 stops20h 28mMultiple Airlines
Wed 9/241:05 pmSFO - ICN
2 stops35h 00mMultiple Airlines
Deal found 6/12$471
This WhyPayMore deal was found by Cheapflights users on 6/12. 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.
Wed 6/256:20 pmICN - SFO
Nonstop10h 40mAIR PREMIA
Sat 7/53:30 pmSFO - ICN
Nonstop13h 00mAIR PREMIA
Deal found 6/12$506
This Gotogate deal was found by Cheapflights users on 6/12. 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.
Tue 9/94:00 pmICN - SFO
Nonstop10h 40mKorean Air
Sat 9/1312:50 pmSFO - ICN
Nonstop12h 30mKorean Air
Deal found 6/12$576
This Mytrip deal was found by Cheapflights users on 6/12. 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.
Sat 9/138:55 pmICN - SFO
Nonstop10h 35mAsiana Airlines
Thu 9/2511:30 pmSFO - ICN
Nonstop13h 00mAsiana Airlines
Deal found 6/12$578
This United Airlines deal was found by Cheapflights users on 6/10. 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.
Wed 9/1011:30 amICN - SFO
Nonstop10h 40mUnited Airlines
Wed 9/1710:35 amSFO - ICN
Nonstop12h 25mUnited Airlines
Deal found 6/10$588
This Delta deal was found by Cheapflights users on 6/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/234:40 pmICN - SFO
1 stop18h 45mDelta
Mon 12/2911:40 amSFO - ICN
Nonstop13h 00mDelta
Deal found 6/12$613
This Hawaiian Airlines deal was found by Cheapflights users on 6/11. 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.
Wed 9/179:25 pmICN - SFO
1 stop16h 08mHawaiian Airlines
Fri 9/269:19 pmSFO - ICN
1 stop29h 16mHawaiian Airlines
Deal found 6/11$614
This Alaska Airlines deal was found by Cheapflights users on 6/9. 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 9/138:35 pmICN - SFO
1 stop19h 05mAlaska Airlines
Wed 9/177:10 amSFO - ICN
2 stops19h 25mAlaska Airlines
Deal found 6/9$618

Cheapflights Fare Finder

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 June 12, 2025.
Use the filters below to find and compare flights from Incheon Intl Airport to San Francisco that are best for you.

Fly from

Incheon Intl

Fly to

San Francisco

Route

Depart

Return

Price

IncheonSan Francisco

ICN - SFO

ICNSFO

Incheon Intl

Wed 9/10

5:45 pm-3:28 pm

1 stop13h 43m

San Francisco

Mon 9/15

7:10 am-4:05 pm

1 stop16h 55m

$460

IncheonSan Francisco

ICN - SFO

ICNSFO

Incheon Intl

Wed 9/10

10:35 am-3:03 pm

2 stops20h 28m

San Francisco

Wed 9/24

1:05 pm-4:05 pm

2 stops35h 00m

$471

IncheonSan Francisco

ICN - SFO

ICNSFO

Incheon Intl

Wed 6/25

6:20 pm-1:00 pm

Nonstop10h 40m

San Francisco

Sat 7/5

3:30 pm-8:30 pm

Nonstop13h 00m

$506

IncheonSan Francisco

ICN - SFO

ICNSFO

Incheon Intl

Tue 9/9

4:00 pm-10:40 am

Nonstop10h 40m

San Francisco

Sat 9/13

12:50 pm-5:20 pm

Nonstop12h 30m

$576

IncheonSan Francisco

ICN - SFO

ICNSFO

Incheon Intl

Sat 9/13

8:55 pm-3:30 pm

Nonstop10h 35m

San Francisco

Thu 9/25

11:30 pm-4:30 am

Nonstop13h 00m

$578

IncheonSan Francisco

ICN - SFO

ICNSFO

Incheon Intl

Sat 9/20

4:50 pm-11:35 am

Nonstop10h 45m

San Francisco

Wed 9/24

10:35 am-3:00 pm

Nonstop12h 25m

$585

IncheonSan Francisco

ICN - SFO

ICNSFO

Incheon Intl

Tue 9/23

4:40 pm-7:25 pm

1 stop18h 45m

San Francisco

Mon 12/29

11:40 am-5:40 pm

Nonstop13h 00m

$613

IncheonSan Francisco

ICN - SFO

ICNSFO

Incheon Intl

Wed 9/17

9:25 pm-9:33 pm

1 stop16h 08m

San Francisco

Fri 9/26

9:19 pm-6:35 pm

1 stop29h 16m

$614

IncheonSan Francisco

ICN - SFO

ICNSFO

Incheon Intl

Sat 9/13

8:35 pm-11:40 pm

1 stop19h 05m

San Francisco

Wed 9/17

7:10 am-6:35 pm

2 stops19h 25m

$618

IncheonSan Francisco

ICN - SFO

ICNSFO

Incheon Intl

Fri 9/19

6:20 pm-1:00 pm

Nonstop10h 40m

$366

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 17 results
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The best insider tips for Incheon Intl Airport to San Francisco 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 Incheon Intl Airport to San Francisco trip
Airlines
Asiana Airlines

Asiana's A380 offers fully flat beds in Business Class, ensuring restful long-haul travel.


Economy Smartium seats provide 36-inch legroom, enhancing comfort on long flights.

Read more about Asiana Airlinesby Marisa Garcia
AIR PREMIA

Air Premia offers 35-inch legroom in Economy, ensuring comfort on long-haul flights.


Premium Economy includes priority boarding and 42-43 inches of legroom, enhancing comfort and convenience.

Read more about AIR PREMIAby Esther Carlstone
United Airlines

United's Polaris Business Class offers lie-flat seats and access to exclusive Polaris Lounges.


Premium Plus provides extra legroom and upgraded meals, ideal for international flights.

Read more about United Airlinesby Harriet Baskas
Airports
ICN

Plan for extra time at ICN security, as lines can take up to 20 minutes, especially without fast track options.

Read more about ICNby Gabriel Leigh
SFO

Use BART for a cost-effective trip from SFO to downtown San Francisco, taking about 40 minutes.

Read more about SFOby Harriet Baskas
Our travel experts
Marisa Garcia

Marisa Garcia

Expert on Asiana Airlines

Marisa Garcia

Marisa Garcia

Marisa knows planes inside and out, spending 16 years working on aircraft in hangars at airports around the world. She is an aviation industry expert, specialized in airline interiors and regulations. Ten years ago, she pivoted to journalism. She shares her insights in leading aviation, travel, and business publications and on her site FlightChic.

Read more
Esther Carlstone

Esther Carlstone

Expert on AIR PREMIA

Esther Carlstone

Esther Carlstone

Esther Carlstone is a travel and food writer based in Los Angeles. Her work has appeared in publications such as Travel + Leisure, Lonely Planet, Forbes, Tripadvisor, Insider, and more.

Read more
Harriet Baskas

Harriet Baskas

Expert on United Airlines and SFO

Harriet Baskas

Harriet Baskas

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Read more
Gabriel Leigh

Gabriel Leigh

Expert on ICN

Gabriel Leigh

Gabriel Leigh

Gabriel is a writer and video creator. As senior content producer for Flightradar24 and Monocle’s transport correspondent, he keeps a close eye on aviation in particular. He has also written travel articles for the likes of The New York Times. Born in New York but raised around the world, he now lives in Sweden. He’s been to 75 countries, flying 2.3 million miles on 113 airlines and through 234 airports in the process.

Read more

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.

Cheapflights Insights

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

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 June 9, 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 $364). 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 June 12, 2025.

It’s optimal to fly from Incheon Intl Airport to San Francisco at noon. By choosing this option you can save up to 42% on the cost of your flight, compared to a flight in the morning.

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 June 8, 2025.

Travelers seeking maximum savings on their Incheon Intl Airport to San Francisco flight should consider departing on Monday evenings when fares are most often at their lowest. Saturday mornings 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 June 12, 2025.

The most flights from ICN to SFO are scheduled on a Monday (11 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (10 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 June 12, 2025.
Read through reviews of airlines operating flights from Seoul to San Francisco, such as EVA Air, Korean Air and China Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
EVA Air
8.4
Very good
1,202 reviews

Crew

8.6

Overall

8.4

Boarding

8.4

Comfort

8.3

Food

8.1

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
EVA Air
8.4
Very good
1,202 reviews
EVA Air
8.4
Very good
1,202 reviews

Crew

8.6

Overall

8.4

Boarding

8.4

Comfort

8.3

Food

8.1

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
Korean Air
8.4
Very good
1,088 reviews
EVA Air
8.4
Very good
1,202 reviews

Crew

8.6

Overall

8.4

Boarding

8.4

Comfort

8.3

Food

8.1

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
China Airlines
8.3
Very good
738 reviews
EVA Air
8.4
Very good
1,202 reviews

Crew

8.6

Overall

8.4

Boarding

8.4

Comfort

8.3

Food

8.1

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
AIR PREMIA
8.2
Very good
57 reviews
EVA Air
8.4
Very good
1,202 reviews

Crew

8.6

Overall

8.4

Boarding

8.4

Comfort

8.3

Food

8.1

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
Asiana Airlines
8.2
Very good
440 reviews
EVA Air
8.4
Very good
1,202 reviews

Crew

8.6

Overall

8.4

Boarding

8.4

Comfort

8.3

Food

8.1

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

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 10 inbound flights from Incheon Intl per day. 6 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 40 times in the past calendar month.

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

    Flying on Air Canada is currently your cheapest option to San Francisco, with prices starting at $460. Additional round-trip tickets that might be worth considering are offered by AIR PREMIA and Korean Air, with the lowest prices starting at $506 and $576, respectively. These flights start at 38% 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 ZIPAIR. According to our data, you can fly for as low as $373. Users have also found prices from $376 and $503 on AIR PREMIA and China Airlines, respectively.

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

    Consider AIR PREMIA (94%), Thai Airways (82%) or Singapore Airlines (82%) 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 $1,547, our data shows the cheapest flight currently is $283. When looking at the most popular route, (Incheon Intl - San Francisco), you can expect to pay $408 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 $364). 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
South San Francisco
Livermore
Turlock
Santa Cruz
Manteca
Fairfield
Watsonville
Antioch
Hollister
Milpitas
Newark
Hayward
Alameda
Sunnyvale
Daly City
Union City
Campbell
Capitola

Browse thousands of different options on Cheapflights for your next trip

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Top 6 airlines flying from Incheon Intl to San Francisco

Discover the top 6 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Asiana AirlinesCheapest$459Average$713FlexibilityNo cancel feeOn-time76%
Korean AirCheapest$462Average$736FlexibilityNo cancel feeOn-time81%
Air CanadaCheapest$463Average$524FlexibilityNo cancel feeOn-time67%
AIR PREMIACheapest$502Average$742FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$510Average$641FlexibilityNo cancel feeOn-time69%
DeltaCheapest$711Average$819FlexibilityNo cancel feeOn-timeN/A

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