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Incheon Intl

$341+ 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 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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Cheapflights Tip: The best prices from Fremont to Incheon Intl are usually found in February or November, booked 52 days in advance, depart on a Monday or Wednesday and return on a Monday

Cheap 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 September 16, 2025.

Round-trip from

$648
(Trip.com)

One-way from

$341
(CrystalTravel)

Popular in

June

Cheapest in

February

Average price

$784
From Fremont to Incheon Intl
Search Deals
One-way flight from Fremont to Incheon Intl
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Highest demand for flights based on searches. 15% potential increase in price ($161 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($39 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 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 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 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 9/14. 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
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.
Mon 11/1010:30 pmSFO - ICN
1 stop27h 55mMultiple Airlines
Sun 11/236:55 pmICN - SFO
Nonstop10h 05mMultiple Airlines
Deal found 9/15$658
This Mytrip 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/2410:30 pmSFO - ICN
1 stop27h 55mPhilippine Airlines
Tue 12/28:35 pmICN - SFO
1 stop39h 55mPhilippine Airlines
Deal found 9/15$659

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 September 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

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 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 FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Fri 9/26

6:00 am-6:35 pm

1 stop20h 35m

Incheon Intl

Sat 11/1

8:35 pm-8:13 pm

1 stop15h 38m

$826

San FranciscoIncheon

SFO - ICN

SFOICN

San Francisco

Fri 9/26

6:00 am-6:35 pm

1 stop20h 35m

Incheon Intl

Mon 11/3

8:35 pm-6:03 pm

1 stop14h 28m

$826

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

Showing 1-10 of 23 results
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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 September 12, 2025.

Booking 5 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, February is the cheapest month in which you can book a flight from Fremont to Incheon Intl Airport (average of $990). Flying from Fremont to Incheon Intl Airport 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 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 September 16, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Fremont to Incheon Intl Airport as you normally would.

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 Thursday afternoons 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 September 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 (10 on average).

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 September 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
1,140 reviews

Crew

8.7

Food

8.1

Boarding

8.5

Overall

8.4

Entertainment

8.2

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

Crew

8.7

Food

8.1

Boarding

8.5

Overall

8.4

Entertainment

8.2

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

Crew

8.7

Food

8.1

Boarding

8.5

Overall

8.4

Entertainment

8.2

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

Crew

8.7

Food

8.1

Boarding

8.5

Overall

8.4

Entertainment

8.2

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

Crew

8.7

Food

8.1

Boarding

8.5

Overall

8.4

Entertainment

8.2

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

Crew

8.7

Food

8.1

Boarding

8.5

Overall

8.4

Entertainment

8.2

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 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 25m. AIR PREMIA provides one of the quickest options available for as low as $662. The distance from Fremont to Incheon Intl Airport is about 5642 mi. All flights are typically nonstop.

  • 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 Asiana Airlines (94%), United Airlines (94%) or AIR PREMIA (93%) 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 $342. On average you can expect to pay $1,821. The most popular route, (San Francisco - Incheon Intl), can usually be booked for $597.

  • 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, February is the cheapest month in which you can book a flight from Fremont to Incheon Intl Airport (average of $990). Flying from Fremont to Incheon Intl Airport 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

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

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Alternative routes for Fremont to Incheon Intl

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 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 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$929FlexibilityNo cancel feeOn-time81%
Air CanadaCheapest$809Average$991FlexibilityNo cancel feeOn-time67%
Cathay PacificCheapest$809Average$880FlexibilityNo cancel feeOn-time72%

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