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$595+ Cheap flights from Fremont, CA to Busan (PUS)

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 5/20. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — PUS
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Cheap flight deals from Fremont to Busan

Cheapest flights from Fremont to Busan
Explore the most affordable flight options available from Fremont to Busan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 18, 2025.

This Trip.com deal was found by Cheapflights users on 12/17. 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 12/173:30 pmSFO - PUS
1 stop32h 30mMultiple Airlines
Wed 12/246:55 pmPUS - SFO
1 stop16h 35mMultiple Airlines
Deal found 12/17$1,944
This Delta deal was found by Cheapflights users on 12/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/176:00 amSFO - PUS
2 stops35h 50mDelta
Wed 12/247:00 amPUS - SFO
2 stops27h 42mDelta
Deal found 12/17$2,084

Find flight deals from Fremont to Busan

Keep the following information in mind while searching for Fremont to Busan flight deals. Data was last updated December 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$864
(Philippine Airlines)

Popular in

December

Cheapest in

March

Average price

$1,593
Provider with most accurate pricing for San Francisco-Busan Gimhae flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Francisco-Busan Gimhae flights.
Search Deals
From Fremont to Busan Gimhae
Search Deals
Highest demand for flights based on searches. 3% potential increase in price ($37 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($42 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 Busan 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 18, 2025.
Use the filters below to find and compare flights from Fremont to Busan that are best for you.

Fly from

Fremont

Fly to

Busan

Route

Depart

Return

Price

San FranciscoBusan

SFO - PUS

SFOPUS

San Francisco

Thu 1/29

10:30 pm-11:50 am

1 stop20h 20m

Busan Gimhae

Mon 2/2

8:55 pm-7:30 pm

1 stop39h 35m

$864

San FranciscoBusan

SFO - PUS

SFOPUS

San Francisco

Fri 1/30

11:50 pm-10:50 am

1 stop18h 00m

Busan Gimhae

Fri 2/6

4:10 pm-2:00 pm

1 stop14h 50m

$914

San FranciscoBusan

SFO - PUS

SFOPUS

San Francisco

Sat 1/31

4:46 pm-7:35 pm

2 stops33h 49m

Busan Gimhae

Sat 2/7

12:00 pm-3:50 pm

2 stops20h 50m

$942

San FranciscoBusan

SFO - PUS

SFOPUS

San Francisco

Thu 1/29

7:00 am-7:35 pm

2 stops19h 35m

Busan Gimhae

Mon 2/2

10:25 am-9:30 am

1 stop16h 05m

$978

San FranciscoBusan

SFO - PUS

SFOPUS

San Francisco

Fri 1/30

6:00 am-8:10 am

2 stops33h 10m

Busan Gimhae

Fri 2/6

7:00 am-12:39 pm

2 stops22h 39m

$1,184

San FranciscoBusan

SFO - PUS

SFOPUS

San Francisco

Sat 1/31

9:10 pm-7:10 am

1 stop41h 00m

Busan Gimhae

Sat 2/7

9:30 am-5:00 pm

1 stop24h 30m

$1,664

San FranciscoBusan

SFO - PUS

SFOPUS

San Francisco

Sat 1/31

7:30 am-10:00 pm

2 stops21h 30m

Busan Gimhae

Sat 2/7

9:30 am-3:35 pm

3 stops23h 05m

$1,743

San FranciscoBusan

SFO - PUS

SFOPUS

San Francisco

Wed 5/20

1:05 am-11:15 am

1 stop18h 10m

$595

San FranciscoBusan

SFO - PUS

SFOPUS

San Francisco

Wed 5/20

1:05 am-6:55 am

2 stops37h 50m

$646

San FranciscoBusan

SFO - PUS

SFOPUS

San Francisco

Fri 5/22

12:30 am-7:50 pm

1 stop27h 20m

$664

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Showing 1-10 of 16 results
1
2

Best time to book a flight from Fremont to Busan

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

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

Currently, April is the cheapest month in which you can book a flight from Fremont to Busan (average of $786). Flying from Fremont to Busan in December is currently the most expensive (average of $1,593). 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 PUS?

Find hourly flight availability from Fremont to Busan. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 18, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 47% on flights from Fremont to Busan by exploring options for tickets at noon.

Reviews of airlines servicing Busan

Get insights into the airlines that provide service to Busan. 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 Busan. Reviews last updated December 18, 2025.
Peruse reviews from past customers who have flown with Korean Air and China Airlines from Fremont to Busan 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

Boarding

8.5

Crew

8.7

Entertainment

8.2

Food

8.1

Comfort

8.3

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

Boarding

8.5

Crew

8.7

Entertainment

8.2

Food

8.1

Comfort

8.3

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.
China Airlines
8.3
Very good
792 reviews
Korean Air
8.4
Very good
1,186 reviews

Boarding

8.5

Crew

8.7

Entertainment

8.2

Food

8.1

Comfort

8.3

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 Busan. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Busan from Fremont?

    Located just 7.2 mi from the city center, Busan Gimhae is the airport most travelers will use when flying to Busan from Fremont. Booking flights from Fremont to Gimhae (PUS) should be relatively easy as there are 0 daily inbound flights from Fremont from 2 different airlines.

  • How long is the flight from Fremont to Busan?

    A quick flight from Fremont to Busan can take about 20h 20m. Philippine Airlines provides one of the quickest options available for as low as $864. There are 5641 mi between Fremont and Busan. Both multi-stop and nonstop flights can be found to your destination and back.

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

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

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

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

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

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

    Currently, April is the cheapest month in which you can book a flight from Fremont to Busan (average of $786). Flying from Fremont to Busan in December is currently the most expensive (average of $1,593). 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 2 airlines flying from Fremont to Busan

Discover the top 2 airlines that operate flights from Fremont to Busan. 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 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
China AirlinesCheapest$922Average$1,287FlexibilityNo cancel feeOn-time70%
Korean AirCheapest$941Average$1,118FlexibilityNo cancel feeOn-time81%

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