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$341+ Cheap flights from Fremont, CA to South Korea

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 10/22. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — ICN
Oct 16 — Oct 231
Thu 10/16
Thu 10/23
1 adult, Economy
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Cheap flight deals from Fremont to South Korea

Keep the following information in mind while searching for Fremont to South Korea flight deals. Data was last updated September 16, 2025.

Round-trip from

$648
(Trip.com)

One-way from

$341
(CrystalTravel)

Popular in

December

Cheapest in

February

Average price

$741
From Fremont to South Korea
Search Deals
One-way flight from Fremont to South Korea
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($143 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($55 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Fremont to South Korea

Cheapest flights from Fremont to South Korea
Explore the most affordable flight options available from Fremont to South Korea. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 16, 2025.

This Trip.com deal was found by Cheapflights users on 9/14. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/1010:30 pmSFO - ICN
1 stop27h 55mMultiple Airlines
Fri 11/146:55 pmICN - SFO
Nonstop10h 05mMultiple Airlines
Deal found 9/14$648
This KAYAK deal was found by Cheapflights users on 9/15. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/32:30 pmSFO - ICN
Nonstop13h 00mAIR PREMIA
Mon 11/176:55 pmICN - SFO
Nonstop10h 35mAIR PREMIA
Deal found 9/15$649
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1510:15 amSFO - ICN
3 stops40h 30mMultiple Airlines
Wed 11/126:55 pmICN - SFO
Nonstop10h 05mMultiple Airlines
Deal found 9/14$650
This Trip.com deal was found by Cheapflights users on 9/15. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/301:00 pmSFO - ICN
1 stop34h 20mChina Eastern
Thu 11/68:55 amICN - SFO
1 stop17h 05mChina Eastern
Deal found 9/15$651
This FlightHub deal was found by Cheapflights users on 9/15. 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.
Tue 10/282:50 pmSFO - GMP
1 stop30h 15mAir China
Tue 11/112:25 pmGMP - SFO
1 stop35h 50mAir China
Deal found 9/15$652
This Justfly.com deal was found by Cheapflights users on 9/14. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/301:00 pmSFO - ICN
1 stop30h 55mChina Eastern
Fri 11/76:25 pmICN - SFO
1 stop31h 35mChina Eastern
Deal found 9/14$652
This WhyPayMore deal was found by Cheapflights users on 9/14. 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 11/52:30 pmSFO - ICN
Nonstop13h 00mAIR PREMIA
Wed 11/266:55 pmICN - SFO
Nonstop10h 05mAIR PREMIA
Deal found 9/14$653
This FlightHub deal was found by Cheapflights users on 9/15. 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.
Mon 10/271:00 pmSFO - GMP
1 stop30h 00mChina Eastern
Wed 11/128:50 pmGMP - SFO
1 stop29h 10mChina Eastern
Deal found 9/15$654
This FlightHub deal was found by Cheapflights users on 9/14. 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.
Mon 11/2412:00 pmSFO - ICN
1 stop36h 25mChina Eastern
Thu 12/48:55 amICN - SFO
1 stop17h 05mChina Eastern
Deal found 9/14$654
This FlightHub deal was found by Cheapflights users on 9/14. 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.
Mon 11/1012:00 pmSFO - ICN
2 stops32h 15mChina Eastern
Wed 11/1912:55 pmICN - SFO
1 stop37h 05mChina Eastern
Deal found 9/14$655
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/76:00 amSFO - ICN
1 stop17h 45mMultiple Airlines
Sun 10/196:20 pmICN - SFO
Nonstop10h 40mMultiple Airlines
Deal found 9/15$656
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2811:30 pmSFO - ICN
1 stop27h 55mMultiple Airlines
Fri 11/146:55 pmICN - SFO
Nonstop10h 05mMultiple Airlines
Deal found 9/15$657

Cheapflights Fare Finder

 
Customize your flight search to find flights from Fremont to South Korea 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 September 16, 2025.
Use the filters below to find and compare flights from Fremont to South Korea that are best for you.

Fly from

Fremont

Fly to

South Korea

Route

Depart

Return

Price

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Wed 2/11

2:30 pm-8:30 pm

Nonstop13h 00m

Incheon Intl

Mon 2/16

6:55 pm-12:00 pm

Nonstop10h 05m

$662

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Wed 10/22

10:35 am-3:00 pm

Nonstop12h 25m

Incheon Intl

Tue 11/4

12:45 pm-6:30 am

Nonstop10h 45m

$662

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Fri 11/7

2:30 pm-8:30 pm

Nonstop13h 00m

Incheon Intl

Mon 12/8

6:55 pm-12:30 pm

Nonstop10h 35m

$662

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Tue 10/21

11:45 pm-4:20 am

Nonstop12h 35m

Incheon Intl

Thu 10/30

5:00 pm-11:35 am

Nonstop10h 35m

$662

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Mon 11/3

2:30 pm-8:30 pm

Nonstop13h 00m

Incheon Intl

Fri 12/5

6:55 pm-12:30 pm

Nonstop10h 35m

$662

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Mon 10/20

11:45 pm-4:20 am

Nonstop12h 35m

Incheon Intl

Tue 11/11

6:00 pm-11:35 am

Nonstop10h 35m

$662

San FranciscoBusan

SFO - PUS

SFOPUS

San Francisco

Tue 10/14

6:00 am-4:50 pm

2 stops42h 50m

Busan Gimhae

Mon 10/27

6:50 am-1:00 pm

1 stop22h 10m

$786

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Thu 11/20

10:30 am-4:15 pm

Nonstop12h 45m

Incheon Intl

Mon 12/8

6:00 pm-11:35 am

Nonstop10h 35m

$801

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Thu 12/4

11:30 pm-4:30 am

Nonstop12h 00m

Incheon Intl

Sat 12/13

8:40 pm-3:00 pm

Nonstop11h 20m

$807

San FranciscoBusan

SFO - PUS

SFOPUS

San Francisco

Wed 10/15

6:00 am-4:50 pm

2 stops42h 50m

Busan Gimhae

Mon 10/27

6:50 am-1:00 pm

1 stop22h 10m

$816

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

Showing 1-10 of 60 results
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Best time to book a flight from Fremont to South Korea

Have a flexible travel schedule? Discover the best time to fly to South Korea from Fremont 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 Fremont to South Korea

What is the cheapest month to book a flight from Fremont to South Korea?

Currently, February is the cheapest month in which you can book a flight from Fremont to South Korea (average of $990). Flying from Fremont to South Korea in December is currently the most expensive (average of $1,633). 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 FR8 to KR?

Find hourly flight availability from Fremont to South Korea. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 16, 2025.

When flying from Fremont to South Korea, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from Fremont to South Korea

Explore weekly flight availability from Fremont to South Korea. 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 September 16, 2025.

The most flights from FR8 to KR0 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).

Reviews of airlines servicing South Korea

Get insights into the airlines that provide service to South Korea. 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 South Korea. Reviews last updated September 16, 2025.
Read reviews from past customers who have flown Korean Air, AIR PREMIA, and Asiana Airlines from Fremont to South Korea. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.4
Very good
1,140 reviews

Boarding

8.5

Entertainment

8.2

Crew

8.7

Food

8.1

Overall

8.4

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Korean Air
8.4
Very good
1,140 reviews
Korean Air
8.4
Very good
1,140 reviews

Boarding

8.5

Entertainment

8.2

Crew

8.7

Food

8.1

Overall

8.4

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
AIR PREMIA
8.2
Very good
62 reviews
Korean Air
8.4
Very good
1,140 reviews

Boarding

8.5

Entertainment

8.2

Crew

8.7

Food

8.1

Overall

8.4

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Asiana Airlines
8.2
Very good
480 reviews
Korean Air
8.4
Very good
1,140 reviews

Boarding

8.5

Entertainment

8.2

Crew

8.7

Food

8.1

Overall

8.4

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Delta
8.0
Very good
7,954 reviews
Korean Air
8.4
Very good
1,140 reviews

Boarding

8.5

Entertainment

8.2

Crew

8.7

Food

8.1

Overall

8.4

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
United Airlines
7.4
Good
8,929 reviews
Korean Air
8.4
Very good
1,140 reviews

Boarding

8.5

Entertainment

8.2

Crew

8.7

Food

8.1

Overall

8.4

Comfort

8.3

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.

Related info for your journey

Find useful and relevant information for your journey from Fremont to South Korea. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How popular is this Fremont to South Korea flight route?

    Flights from Fremont to South Korea have been viewed 398 times in the past calendar month.

  • How long is the flight from Fremont to South Korea?

    Departing from Fremont to South Korea will take you 12h 25m. The distance from Fremont to South Korea is about 5642 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Fremont to South Korea one-way?

    The cheapest airlines for a one-way flight from Fremont to South Korea are AIR PREMIA ($352), Philippine Airlines ($372), and Japan Airlines ($469).

  • What are the most popular routes from Fremont to South Korea?

    Most travelers choose San Francisco - Incheon Intl, San Francisco - Seoul Gimpo Intl or San Francisco - Busan Gimhae when deciding on the best route from Fremont to South Korea.

  • What are the most reliable airlines from Fremont to South Korea?

    Consider Asiana Airlines (94%), United Airlines (94%) or AIR PREMIA (93%) when booking your flight. These represent the most reliable airlines when flying from Fremont to South Korea.

  • What are the cheapest flights from Fremont to South Korea?

    On average you can expect to pay $1,821 for a flight from Fremont to South Korea. The cheapest flight overall is $342 while the most popular route, (San Francisco - Incheon Intl) is currently priced at $597.

  • Can I find deals for flights from Fremont to South Korea that include hotel bookings?

    Yes. In addition to deals on Fremont to South Korea flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Fremont to South Korea?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Fremont to South Korea.

  • Can I find deals for business class flights from Fremont to South Korea?

    Yes. Cheapflights offers flight deals from Fremont to South Korea 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 Fremont to South Korea?

    Currently, February is the cheapest month in which you can book a flight from Fremont to South Korea (average of $990). Flying from Fremont to South Korea in December is currently the most expensive (average of $1,633). 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

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Top 10 airlines flying from Fremont to South Korea

Discover the top 10 airlines that operate flights from Fremont to South Korea. 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 September 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
Hawaiian AirlinesCheapest$422Average$671FlexibilityNo cancel feeOn-time85%
AIR PREMIACheapest$615Average$782FlexibilityNo cancel feeOn-timeN/A
Asiana AirlinesCheapest$649Average$784FlexibilityNo cancel feeOn-time76%
China EasternCheapest$651Average$746FlexibilityNo cancel feeOn-time62%
Singapore AirlinesCheapest$651Average$848FlexibilityNo cancel feeOn-time81%
United AirlinesCheapest$660Average$798FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$675Average$1,075FlexibilityNo cancel feeOn-time75%
Korean AirCheapest$775Average$1,024FlexibilityNo cancel feeOn-time81%
Air CanadaCheapest$809Average$991FlexibilityNo cancel feeOn-time67%
Cathay PacificCheapest$809Average$880FlexibilityNo cancel feeOn-time72%

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