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$344+ 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 12/29. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — ICN
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
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 October 30, 2025.

Most accurate provider

Justfly.com
3 stars

Most trusted provider

Justfly.com
3 stars

Round-trip from

$648
(Kiwi.com)

One-way from

$344
(SmartFares)

Popular in

December

Cheapest in

February

Average price

$751
Provider with most accurate pricing for San Francisco-Seoul (SEL) flight deals.
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Provider most trusted by Cheapflights users for San Francisco-Seoul (SEL) flights.
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From Fremont to South Korea
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One-way flight from Fremont to South Korea
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Highest demand for flights based on searches. 10% potential increase in price ($100 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($42 potential savings vs. average RT price).
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Average for round-trip flights in October 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 October 30, 2025.

This Kiwi.com deal was found by Cheapflights users on 10/29. 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.
Fri 12/52:30 pmSFO - ICN
Nonstop13h 00mAIR PREMIA
Mon 12/156:55 pmICN - SFO
Nonstop10h 35mAIR PREMIA
Deal found 10/29$648
This oojo deal was found by Cheapflights users on 10/30. 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 oojo 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
Wed 11/126:55 pmICN - SFO
Nonstop10h 35mAIR PREMIA
Deal found 10/30$649
This Vliegwinkel deal was found by Cheapflights users on 10/29. 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 Vliegwinkel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/319:00 amSFO - ICN
1 stop17h 35mHawaiian Airlines
Fri 11/148:35 pmICN - SFO
1 stop18h 06mHawaiian Airlines
Deal found 10/29$650
This CheapOair deal was found by Cheapflights users on 10/28. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2911:30 pmSFO - ICN
1 stop27h 55mMultiple Airlines
Mon 11/36:55 pmICN - SFO
Nonstop10h 35mMultiple Airlines
Deal found 10/28$651
This SmartFares deal was found by Cheapflights users on 10/28. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/78:00 amSFO - ICN
1 stop17h 35mAlaska Airlines
Sat 11/158:35 pmICN - SFO
1 stop14h 28mAlaska Airlines
Deal found 10/28$654
This Mytrip deal was found by Cheapflights users on 10/28. 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.
Wed 10/2911:30 pmSFO - ICN
1 stop27h 55mMultiple Airlines
Wed 11/56:55 pmICN - SFO
Nonstop10h 35mMultiple Airlines
Deal found 10/28$659
This United Airlines deal was found by Cheapflights users on 10/27. 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.
Tue 12/211:45 pmSFO - ICN
Nonstop12h 55mUnited Airlines
Tue 12/236:00 pmICN - SFO
Nonstop10h 35mUnited Airlines
Deal found 10/27$661
This United Airlines deal was found by Cheapflights users on 10/28. 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.
Tue 10/2811:45 pmSFO - ICN
Nonstop12h 55mUnited Airlines
Sat 11/15:05 pmICN - SFO
Nonstop10h 30mUnited Airlines
Deal found 10/28$662
This United Airlines deal was found by Cheapflights users on 10/29. 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.
Fri 10/3110:30 amSFO - ICN
Nonstop12h 40mUnited Airlines
Fri 11/1412:45 pmICN - SFO
Nonstop10h 45mUnited Airlines
Deal found 10/29$663
This United Airlines deal was found by Cheapflights users on 10/29. 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.
Thu 10/3010:30 amSFO - ICN
Nonstop12h 40mUnited Airlines
Thu 11/612:45 pmICN - SFO
Nonstop10h 45mUnited Airlines
Deal found 10/29$664
This Flighttix deal was found by Cheapflights users on 10/28. 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 Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/284:39 pmSFO - ICN
1 stop33h 56mHawaiian Airlines
Sat 11/18:35 pmICN - SFO
1 stop15h 38mHawaiian Airlines
Deal found 10/28$666
This Kiwi.com deal was found by Cheapflights users on 10/28. 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.
Fri 12/52:30 pmSFO - CJU
1 stop37h 40mMultiple Airlines
Fri 12/128:15 amCJU - SFO
1 stop21h 15mMultiple Airlines
Deal found 10/28$756

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 October 30, 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

Sun 12/7

10:30 am-4:15 pm

Nonstop12h 45m

Incheon Intl

Fri 12/19

12:45 pm-6:30 am

Nonstop10h 45m

$661

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Thu 1/22

10:30 am-4:15 pm

Nonstop12h 45m

Incheon Intl

Tue 2/10

12:45 pm-6:30 am

Nonstop10h 45m

$661

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Mon 12/1

11:45 pm-5:40 am

Nonstop12h 55m

Incheon Intl

Fri 12/19

6:00 pm-11:35 am

Nonstop10h 35m

$661

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Thu 11/27

10:30 am-4:15 pm

Nonstop12h 45m

Incheon Intl

Sat 12/6

12:45 pm-6:30 am

Nonstop10h 45m

$661

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Wed 11/5

10:30 am-4:15 pm

Nonstop12h 45m

Incheon Intl

Wed 11/26

12:45 pm-6:30 am

Nonstop10h 45m

$666

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Sat 11/15

7:37 pm-6:35 pm

1 stop29h 58m

Incheon Intl

Sun 11/23

8:35 pm-11:36 pm

1 stop20h 01m

$681

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Fri 12/26

10:30 am-4:15 pm

Nonstop12h 45m

Incheon Intl

Thu 1/22

6:00 pm-11:35 am

Nonstop10h 35m

$726

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Thu 12/25

11:45 pm-5:40 am

Nonstop12h 55m

Incheon Intl

Sun 1/25

6:00 pm-11:35 am

Nonstop10h 35m

$777

San FranciscoBusan

SFO - PUS

SFOPUS

San Francisco

Mon 11/10

12:00 pm-11:35 am

1 stop30h 35m

Busan Gimhae

Sun 11/16

12:35 pm-5:38 pm

2 stops46h 03m

$825

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Wed 11/5

6:59 pm-5:10 am

1 stop17h 11m

Incheon Intl

Wed 11/26

4:00 pm-9:30 am

Nonstop10h 30m

$866

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/29

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, April is the cheapest month in which you can book a flight from Fremont to South Korea (average of $414). Flying from Fremont to South Korea in June is currently the most expensive (average of $690). 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 October 30, 2025.

It’s typically best to fly out from Fremont to South Korea at noon. Doing so could potentially save you 30% on the flight price compared to flying in the morning, which is usually more expensive.

What is the cheapest day to fly from Fremont to South Korea?

Use this chart to determine the cheapest time to fly round-trip from Fremont to South Korea. Price data was last updated on March 30, 2025.

Travelers seeking maximum savings on their Fremont to South Korea flight should consider departing on Monday afternoons when fares are most often at their lowest. Friday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

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 October 30, 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
1,155 reviews

Overall

8.4

Entertainment

8.2

Boarding

8.5

Food

8.1

Crew

8.7

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
1,155 reviews
Korean Air
8.4
Very good
1,155 reviews

Overall

8.4

Entertainment

8.2

Boarding

8.5

Food

8.1

Crew

8.7

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
8.3
Very good
66 reviews
Korean Air
8.4
Very good
1,155 reviews

Overall

8.4

Entertainment

8.2

Boarding

8.5

Food

8.1

Crew

8.7

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
484 reviews
Korean Air
8.4
Very good
1,155 reviews

Overall

8.4

Entertainment

8.2

Boarding

8.5

Food

8.1

Crew

8.7

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
7.9
Good
7,998 reviews
Korean Air
8.4
Very good
1,155 reviews

Overall

8.4

Entertainment

8.2

Boarding

8.5

Food

8.1

Crew

8.7

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
8,998 reviews
Korean Air
8.4
Very good
1,155 reviews

Overall

8.4

Entertainment

8.2

Boarding

8.5

Food

8.1

Crew

8.7

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 45m. 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 ($344), Air Canada ($495), and China Eastern ($511).

  • 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 AIR PREMIA (94%), Thai Airways (93%) or Singapore Airlines (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 $1,102 for a flight from Fremont to South Korea. The cheapest flight overall is $344 while the most popular route, (San Francisco - Incheon Intl) is currently priced at $603.

  • 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, April is the cheapest month in which you can book a flight from Fremont to South Korea (average of $414). Flying from Fremont to South Korea in June is currently the most expensive (average of $690). 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.

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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 October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Hawaiian AirlinesCheapest$422Average$670FlexibilityNo cancel feeOn-time85%
AIR PREMIACheapest$610Average$799FlexibilityNo cancel feeOn-timeN/A
China EasternCheapest$622Average$714FlexibilityNo cancel feeOn-time62%
Asiana AirlinesCheapest$648Average$785FlexibilityNo cancel feeOn-time76%
Singapore AirlinesCheapest$651Average$848FlexibilityNo cancel feeOn-time81%
United AirlinesCheapest$660Average$772FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$672Average$1,075FlexibilityNo cancel feeOn-time75%
Korean AirCheapest$775Average$1,011FlexibilityNo cancel feeOn-time81%
Air CanadaCheapest$801Average$1,012FlexibilityNo cancel feeOn-time67%
Cathay PacificCheapest$805Average$875FlexibilityNo cancel feeOn-time72%

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