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$349+ Cheap flights from Fremont, CA 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 4/5. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — SEL
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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Cheapflights Tip: The best prices from Fremont to Seoul are usually found in February or November, booked 55 days in advance, depart on a Monday or Wednesday and return on a Wednesday

Cheap flight deals from Fremont to Seoul

Cheapest flights from Fremont to Seoul
Explore the most affordable flight options available from Fremont to Seoul. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 12, 2025.

This AIR PREMIA deal was found by Cheapflights users on 12/11. 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 AIR PREMIA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/312:30 pmSFO - ICN
Nonstop13h 00mAIR PREMIA
Fri 1/236:55 pmICN - SFO
Nonstop10h 35mAIR PREMIA
Deal found 12/11$662
This Trip.com deal was found by Cheapflights users on 12/10. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/312:30 pmSFO - ICN
Nonstop13h 00mMultiple Airlines
Mon 1/261:05 pmICN - SFO
1 stop17h 35mMultiple Airlines
Deal found 12/10$754
This SmartFares deal was found by Cheapflights users on 12/10. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/254:42 pmSFO - ICN
1 stop32h 53mMultiple Airlines
Sun 1/258:35 pmICN - SFO
1 stop14h 24mMultiple Airlines
Deal found 12/10$808
This Asiana Airlines deal was found by Cheapflights users on 12/11. 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 Asiana Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/3111:50 pmSFO - ICN
Nonstop13h 05mAsiana Airlines
Tue 1/278:50 pmICN - SFO
Nonstop10h 10mAsiana Airlines
Deal found 12/11$813
This Trip.com deal was found by Cheapflights users on 12/9. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/312:30 pmSFO - ICN
Nonstop13h 00mMultiple Airlines
Tue 1/209:20 pmICN - SFO
2 stops33h 40mMultiple Airlines
Deal found 12/9$819
This FlightHub deal was found by Cheapflights users on 12/10. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/292:30 pmSFO - ICN
Nonstop13h 00mAIR PREMIA
Wed 1/216:55 pmICN - SFO
Nonstop10h 35mAIR PREMIA
Deal found 12/10$828
This Kiwi.com deal was found by Cheapflights users on 12/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/312:30 pmSFO - ICN
Nonstop13h 00mMultiple Airlines
Wed 1/289:40 amICN - SFO
2 stops18h 33mMultiple Airlines
Deal found 12/11$829
This Kiwi.com deal was found by Cheapflights users on 12/11. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/312:30 pmSFO - ICN
Nonstop13h 00mMultiple Airlines
Sat 1/249:20 pmICN - SFO
1 stop29h 10mMultiple Airlines
Deal found 12/11$830
This AIR PREMIA deal was found by Cheapflights users on 12/10. 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 AIR PREMIA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/282:30 pmSFO - ICN
Nonstop13h 00mAIR PREMIA
Sun 1/186:55 pmICN - SFO
Nonstop10h 35mAIR PREMIA
Deal found 12/10$861
This AIR PREMIA deal was found by Cheapflights users on 12/11. 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 AIR PREMIA is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/282:30 pmSFO - ICN
Nonstop13h 00mAIR PREMIA
Mon 1/266:55 pmICN - SFO
Nonstop10h 35mAIR PREMIA
Deal found 12/11$862
This Cheapflightsfares deal was found by Cheapflights users on 12/11. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2912:00 pmSFO - ICN
2 stops29h 55mChina Eastern
Wed 1/218:50 pmICN - SFO
2 stops29h 10mChina Eastern
Deal found 12/11$868
This oojo deal was found by Cheapflights users on 12/10. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/1112:50 pmSFO - GMP
1 stop16h 15mJapan Airlines
Sun 12/148:00 amGMP - SFO
1 stop19h 15mJapan Airlines
Deal found 12/10$1,047

Find flight deals from Fremont to Seoul

Keep the following information in mind while searching for Fremont to Seoul flight deals. Data was last updated December 12, 2025.

Most accurate provider

Justfly.com
3 stars

Most trusted provider

Justfly.com
3 stars

Round-trip from

$643
(Gotogate)

One-way from

$349
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$1,266
Provider with most accurate pricing for San Francisco-Seoul (SEL) flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Francisco-Seoul (SEL) flights.
Search Deals
From Fremont to Seoul (SEL)
Search Deals
One-way flight from Fremont to Seoul (SEL)
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($81 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($41 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Fremont 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 December 12, 2025.
Use the filters below to find and compare flights from Fremont to Seoul that are best for you.

Fly from

Fremont

Fly to

Seoul

Route

Depart

Return

Price

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Fri 1/23

2:30 pm-8:30 pm

Nonstop13h 00m

Incheon Intl

Mon 1/26

6:55 pm-12:30 pm

Nonstop10h 35m

$661

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Fri 1/23

2:30 pm-8:30 pm

Nonstop13h 00m

Incheon Intl

Wed 1/28

6:55 pm-12:30 pm

Nonstop10h 35m

$661

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Sun 1/25

2:30 pm-8:30 pm

Nonstop13h 00m

Incheon Intl

Sat 1/31

6:55 pm-12:30 pm

Nonstop10h 35m

$661

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Mon 1/19

2:30 pm-8:30 pm

Nonstop13h 00m

Incheon Intl

Mon 1/26

6:55 pm-12:30 pm

Nonstop10h 35m

$661

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Mon 1/19

2:30 pm-8:30 pm

Nonstop13h 00m

Incheon Intl

Fri 1/30

6:55 pm-12:30 pm

Nonstop10h 35m

$661

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Wed 1/21

2:30 pm-8:30 pm

Nonstop13h 00m

Incheon Intl

Fri 1/30

6:55 pm-12:30 pm

Nonstop10h 35m

$661

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Thu 1/22

11:50 pm-5:45 am

Nonstop12h 55m

Incheon Intl

Sat 1/24

8:50 pm-2:00 pm

Nonstop10h 10m

$813

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Thu 1/22

11:50 pm-5:45 am

Nonstop12h 55m

Incheon Intl

Sat 1/31

8:50 pm-2:00 pm

Nonstop10h 10m

$813

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Thu 1/22

11:50 pm-5:45 am

Nonstop12h 55m

Incheon Intl

Mon 1/26

8:50 pm-2:00 pm

Nonstop10h 10m

$813

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Fri 1/2

11:50 pm-5:55 am

Nonstop13h 05m

Incheon Intl

Sun 1/25

8:50 pm-2:00 pm

Nonstop10h 10m

$813

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/11

Showing 1-10 of 43 results
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Best time to book a flight from Fremont to Seoul

Have a flexible travel schedule? Discover the best time to fly to Seoul 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 Seoul

How far ahead should I book a flight from Fremont to Seoul?

Use this chart to determine the optimal time to book a round-trip flight from Fremont to Seoul. Price data was last updated on December 5, 2025.

To ensure you get the cheapest price possible for a flight from Fremont to Seoul, you should look to book at least 55 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, April is the cheapest month in which you can book a flight from Fremont to Seoul (average of $446). Flying from Fremont to Seoul in June is currently the most expensive (average of $661). 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 SEL?

Find hourly flight availability from Fremont 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 December 12, 2025.

When flying from Fremont to Seoul, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 7% versus a flight at noon.

What is the cheapest day to fly from Fremont to Seoul?

Use this chart to determine the cheapest time to fly round-trip from Fremont to Seoul. Price data was last updated on December 8, 2024.

Travelers seeking maximum savings on their Fremont to Seoul flight should consider departing on Wednesday at noon when fares are most often at their lowest. Saturday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Fremont to Seoul

Explore weekly flight availability from Fremont 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 December 12, 2025.

The most flights from FR8 to SEL 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 (6 on average).

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 December 12, 2025.
Peruse reviews from past customers who have flown with Korean Air, AIR PREMIA, and Asiana Airlines from Fremont to Seoul to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.4
Very good
1,184 reviews

Entertainment

8.2

Food

8.1

Boarding

8.5

Comfort

8.3

Crew

8.7

Overall

8.4

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
1,184 reviews
Korean Air
8.4
Very good
1,184 reviews

Entertainment

8.2

Food

8.1

Boarding

8.5

Comfort

8.3

Crew

8.7

Overall

8.4

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
72 reviews
Korean Air
8.4
Very good
1,184 reviews

Entertainment

8.2

Food

8.1

Boarding

8.5

Comfort

8.3

Crew

8.7

Overall

8.4

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
492 reviews
Korean Air
8.4
Very good
1,184 reviews

Entertainment

8.2

Food

8.1

Boarding

8.5

Comfort

8.3

Crew

8.7

Overall

8.4

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
8,007 reviews
Korean Air
8.4
Very good
1,184 reviews

Entertainment

8.2

Food

8.1

Boarding

8.5

Comfort

8.3

Crew

8.7

Overall

8.4

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
9,095 reviews
Korean Air
8.4
Very good
1,184 reviews

Entertainment

8.2

Food

8.1

Boarding

8.5

Comfort

8.3

Crew

8.7

Overall

8.4

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 Seoul. 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 Seoul flight route?

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

  • How long is the flight from Fremont to Seoul?

    For as low as $661, AIR PREMIA can have you in Seoul from Fremont in 13h. The distance from Fremont to Seoul is about 5642 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    To fly one-way, consider booking your trip with Hawaiian Airlines, which is currently one of the cheapest options available, starting at $197. AIR PREMIA flights start at $344 while deals on Asiana Airlines start at $363 one-way.

  • What are the most reliable airlines from Fremont to Seoul?

    The top 3 most reliable airlines when flying from Fremont to Seoul are AIR PREMIA (74%), Korean Air (69%) and Thai Airways (67%).

  • What are the cheapest flights from Fremont to Seoul?

    On average you can expect to pay $937 for a flight from Fremont to Seoul. The cheapest flight overall is $344 while the most popular route, (San Francisco - Incheon Intl) is currently priced at $608.

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

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

  • How can I find direct flights from Fremont to Seoul?

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

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

    Yes. Cheapflights offers flight deals from Fremont to Seoul 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 Seoul?

    Currently, April is the cheapest month in which you can book a flight from Fremont to Seoul (average of $446). Flying from Fremont to Seoul in June is currently the most expensive (average of $661). 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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Alternative routes for Fremont to Seoul

See prices for flight routes from nearby airports that may be better suited for you.
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Top 10 airlines flying from Fremont to Seoul

Discover the top 10 airlines that operate flights from Fremont 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 December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
AIR PREMIACheapest$608Average$809FlexibilityNo cancel feeOn-timeN/A
China EasternCheapest$622Average$714FlexibilityNo cancel feeOn-time62%
Japan AirlinesCheapest$630Average$1,115FlexibilityNo cancel feeOn-time79%
Asiana AirlinesCheapest$648Average$801FlexibilityNo cancel feeOn-time76%
Singapore AirlinesCheapest$651Average$848FlexibilityNo cancel feeOn-time81%
United AirlinesCheapest$660Average$782FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$674Average$1,073FlexibilityNo cancel feeOn-time75%
Korean AirCheapest$790Average$911FlexibilityNo cancel feeOn-time81%
Air CanadaCheapest$799Average$983FlexibilityNo cancel feeOn-time67%
Cathay PacificCheapest$805Average$880FlexibilityNo cancel feeOn-time72%

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