HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Incheon Intl

$353+ Cheap flights from Fremont, CA to Incheon Intl (ICN)

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 1/3. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — ICN
ene. 15 — ene. 221
jue. 1/15
jue. 1/22
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Fremont to Incheon Intl with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheapflights Tip: The best prices from Fremont to Incheon Intl are usually found in February or January, booked 89 days in advance, depart on a Monday or Wednesday and return on a Wednesday

Cheap flight deals from Fremont to Incheon Intl

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

This Gotogate deal was found by Cheapflights users on 12/14. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/312:30 pmSFO - ICN
Nonstop13h 00mAIR PREMIA
dom. 1/186:55 pmICN - SFO
Nonstop10h 35mAIR PREMIA
Deal found 12/14$647
This Mytrip deal was found by Cheapflights users on 12/16. 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.
mié. 12/312:30 pmSFO - ICN
Nonstop13h 00mMultiple Airlines
mar. 1/204:15 pmICN - SFO
1 stop20h 25mMultiple Airlines
Deal found 12/16$779
This oojo deal was found by Cheapflights users on 12/16. 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.
lun. 12/2911:50 pmSFO - ICN
Nonstop13h 05mAsiana Airlines
mié. 1/218:50 pmICN - SFO
Nonstop10h 10mAsiana Airlines
Deal found 12/16$785
This FlightHub deal was found by Cheapflights users on 12/16. 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.
lun. 12/2912:00 pmSFO - ICN
1 stop34h 20mChina Eastern
mié. 1/2112:55 pmICN - SFO
1 stop37h 05mChina Eastern
Deal found 12/16$808
This Gotogate deal was found by Cheapflights users on 12/14. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 12/312:30 pmSFO - ICN
Nonstop13h 00mMultiple Airlines
dom. 1/184:15 pmICN - SFO
2 stops44h 25mMultiple Airlines
Deal found 12/14$840
This oojo deal was found by Cheapflights users on 12/15. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 12/262:30 pmSFO - ICN
Nonstop13h 00mAIR PREMIA
mié. 1/146:55 pmICN - SFO
Nonstop10h 35mAIR PREMIA
Deal found 12/15$855

Find flight deals from Fremont to Incheon Intl

Keep the following information in mind while searching for Fremont to Incheon Intl flight deals. Data was last updated diciembre 16, 2025.

Most accurate provider

Justfly.com
3 stars

Most trusted provider

Justfly.com
3 stars

Round-trip from

$642
(Mytrip)

One-way from

$353
(FlightHub)

Popular in

June

Cheapest in

February

Average price

$1,129
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 Incheon Intl
Search Deals
One-way flight from Fremont to Incheon Intl
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($158 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($40 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 Incheon Intl 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 diciembre 16, 2025.
Use the filters below to find and compare flights from Fremont to Incheon Intl Airport that are best for you.

Fly from

Fremont

Fly to

Incheon Intl

Route

Depart

Return

Price

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

mié. 2/4

2:30 pm-8:30 pm

Nonstop13h 00m

Incheon Intl

vie. 3/6

6:55 pm-12:30 pm

Nonstop10h 35m

$661

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

vie. 2/6

11:45 pm-5:40 am

Nonstop12h 55m

Incheon Intl

dom. 3/1

6:00 pm-11:35 am

Nonstop10h 35m

$661

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

lun. 1/19

2:30 pm-8:30 pm

Nonstop13h 00m

Incheon Intl

vie. 1/23

6:55 pm-12:30 pm

Nonstop10h 35m

$661

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

vie. 2/6

11:45 pm-5:40 am

Nonstop12h 55m

Incheon Intl

sáb. 3/7

12:45 pm-6:30 am

Nonstop10h 45m

$661

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

dom. 2/1

11:45 pm-5:40 am

Nonstop12h 55m

Incheon Intl

sáb. 3/7

6:00 pm-11:35 am

Nonstop10h 35m

$661

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

dom. 2/22

2:30 pm-8:30 pm

Nonstop13h 00m

Incheon Intl

lun. 3/16

6:55 pm-1:30 pm

Nonstop10h 35m

$661

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

lun. 2/2

10:30 am-4:15 pm

Nonstop12h 45m

Incheon Intl

mar. 3/3

12:45 pm-6:30 am

Nonstop10h 45m

$661

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

dom. 3/8

11:45 pm-4:40 am

Nonstop12h 55m

Incheon Intl

sáb. 3/14

11:45 am-6:30 am

Nonstop10h 45m

$661

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

sáb. 1/17

11:45 pm-5:40 am

Nonstop12h 55m

Incheon Intl

dom. 2/1

6:00 pm-11:35 am

Nonstop10h 35m

$661

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

jue. 2/26

11:45 pm-5:40 am

Nonstop12h 55m

Incheon Intl

mié. 3/18

5:00 pm-11:35 am

Nonstop10h 35m

$661

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/14

Showing 1-10 of 23 results
1
2
3

Best time to book a flight from Fremont to Incheon Intl

Have a flexible travel schedule? Discover the best time to fly to Incheon Intl 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 Incheon Intl Airport

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

Use this chart to determine the optimal time to book a round-trip flight from Fremont to Incheon Intl. Price data was last updated on December 12, 2025.

Booking 1 days in advance of your planned departure date is, on average, the best time to get cheap flights from Fremont to Incheon Intl Airport. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, April is the cheapest month in which you can book a flight from Fremont to Incheon Intl Airport (average of $446). Flying from Fremont to Incheon Intl Airport in June is currently the most expensive (average of $664). 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 ICN?

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

Unlike at noon, when flights are generally more expensive, you can save up to 17% on flights from Fremont to Incheon Intl Airport by exploring options for tickets in the evening.

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

Use this chart to determine the cheapest time to fly round-trip from Fremont to Incheon Intl. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Fremont to Incheon Intl Airport 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 Incheon Intl Airport

Explore weekly flight availability from Fremont to Incheon Intl. 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 diciembre 16, 2025.

The most flights from FR8 to ICN 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).

How much does it cost to fly round-trip from Fremont to Incheon Intl Airport?

Reviews of airlines servicing Incheon Intl

Get insights into the airlines that provide service to Incheon Intl. 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 Incheon Intl. Reviews last updated diciembre 16, 2025.
Peruse reviews from past customers who have flown with Korean Air, AIR PREMIA, and Asiana Airlines from Fremont to Incheon Intl Airport 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
1,186 reviews

Food

8.1

Entertainment

8.2

Boarding

8.5

Overall

8.4

Comfort

8.3

Crew

8.7

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
1,186 reviews
Korean Air
8.4
Very good
1,186 reviews

Food

8.1

Entertainment

8.2

Boarding

8.5

Overall

8.4

Comfort

8.3

Crew

8.7

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
1,186 reviews

Food

8.1

Entertainment

8.2

Boarding

8.5

Overall

8.4

Comfort

8.3

Crew

8.7

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
493 reviews
Korean Air
8.4
Very good
1,186 reviews

Food

8.1

Entertainment

8.2

Boarding

8.5

Overall

8.4

Comfort

8.3

Crew

8.7

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
8,009 reviews
Korean Air
8.4
Very good
1,186 reviews

Food

8.1

Entertainment

8.2

Boarding

8.5

Overall

8.4

Comfort

8.3

Crew

8.7

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
9,094 reviews
Korean Air
8.4
Very good
1,186 reviews

Food

8.1

Entertainment

8.2

Boarding

8.5

Overall

8.4

Comfort

8.3

Crew

8.7

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 Incheon Intl. 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 Incheon Intl Airport flight route?

    Within the past month, 398 users have taken a look at flights from Fremont to Incheon Intl.

  • How long is the flight from Fremont to Incheon Intl Airport?

    A quick flight from Fremont to Incheon Intl Airport can take about 12h 55m. AIR PREMIA provides one of the quickest options available for as low as $661. The distance from Fremont to Incheon Intl Airport is about 5642 mi. All flights are typically nonstop.

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

    The cheapest airline one-way is Hawaiian Airlines, with whom users have recently found tickets for as low as $197. However, be on the lookout for offers from AIR PREMIA and Asiana Airlines, as they are both options that can get you from Fremont to Incheon Intl Airport for a low price.

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

    No one likes to see their flight delayed. When booking a flight from Fremont to Incheon Intl Airport consider choosing Korean Air (77%), AIR PREMIA (77%) or Delta (77%) as they are the most reliable in getting you off to your destination on time.

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

    The cheapest flight price from Fremont to Incheon Intl Airport is $346. On average you can expect to pay $1,328. The most popular route, (San Francisco - Incheon Intl), can usually be booked for $607.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Fremont to Incheon Intl 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 Incheon Intl Airport?

    Currently, April is the cheapest month in which you can book a flight from Fremont to Incheon Intl Airport (average of $446). Flying from Fremont to Incheon Intl Airport in June is currently the most expensive (average of $664). 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
Suwon
Seongnam

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Fremont to Incheon Intl

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to Incheon Intl flights
San Francisco to Incheon Intl flights
Los Angeles to Gimpo Intl flights
Ontario to Incheon Intl flights
San Francisco to Gimpo Intl flights
Las Vegas to Incheon Intl flights
San Diego to Incheon Intl flights
San Jose to Incheon Intl flights
Santa Ana to Incheon Intl flights
Las Vegas to Gimpo Intl flights
San Diego to Gimpo Intl flights
Sacramento to Incheon Intl flights
Burbank to Incheon Intl flights
Long Beach to Incheon Intl flights
Oakland to Incheon Intl flights
Medford to Incheon Intl flights
San Jose to Gimpo Intl flights
Reno to Incheon Intl flights
Ontario to Gimpo Intl flights
Palm Springs to Incheon Intl flights
Monterey to Incheon Intl flights
Long Beach to Gimpo Intl flights
Santa Barbara to Incheon Intl flights

Top 10 airlines flying from Fremont to Incheon Intl

Discover the top 10 airlines that operate flights from Fremont to Incheon Intl. 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 diciembre 16, 2025.
AirlineCheapestAverageFlexibilityOn-time
AIR PREMIACheapest$608Average$803FlexibilityNo cancel feeOn-timeN/A
China EasternCheapest$622Average$714FlexibilityNo cancel feeOn-time62%
Japan AirlinesCheapest$630Average$642FlexibilityNo cancel feeOn-time79%
Asiana AirlinesCheapest$648Average$806FlexibilityNo cancel feeOn-time76%
Singapore AirlinesCheapest$651Average$848FlexibilityNo cancel feeOn-time81%
United AirlinesCheapest$660Average$791FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$674Average$1,073FlexibilityNo cancel feeOn-time75%
Korean AirCheapest$790Average$912FlexibilityNo cancel feeOn-time81%
Air CanadaCheapest$796Average$934FlexibilityNo cancel feeOn-time67%
Cathay PacificCheapest$805Average$880FlexibilityNo cancel feeOn-time72%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.