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$432+ Cheap flights from Busan (PUS) to San Francisco (SFO)

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 10/20. Fares are subject to change and may not be available on all flights or dates of travel.
PUS — SFO
ago. 3 — ago. 101
dom. 8/3
dom. 8/10
1 adult, Economy
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Cheap flight deals from Busan to San Francisco

Discover tips and strategies to find the most affordable flight options for your journey from Busan (PUS) to San Francisco (SFO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated julio 29, 2025.

Round-trip from

$684
(Gotogate)

One-way from

$432
(Expedia)

Popular in

August

Cheapest in

June

Average price

$1,057
From Busan Gimhae to San Francisco
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One-way flight from Busan Gimhae to San Francisco
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Highest demand for flights based on searches. 18% potential increase in price ($217 potential increase over avg. RT price).
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Cheapest flight prices on average. 7% potential price decrease ($64 potential savings vs. average RT price).
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Average for round-trip flights in July 2025
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Find flight deals from Busan to San Francisco

Cheapest flights from Busan to San Francisco
Explore the most affordable flight options available from Busan to San Francisco. Find the lowest fares from popular airlines and budget airlines, with prices last updated on julio 29, 2025.

This Gotogate deal was found by Cheapflights users on 7/27. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 11/247:55 amPUS - SFO
1 stop18h 35mKorean Air
mié. 12/311:40 amSFO - PUS
1 stop30h 10mKorean Air
Deal found 7/27$684
This Gotogate deal was found by Cheapflights users on 7/27. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 9/269:00 pmPUS - SFO
1 stop39h 50mPhilippine Airlines
vie. 10/311:55 pmSFO - PUS
1 stop27h 55mPhilippine Airlines
Deal found 7/27$715
This Trip.com deal was found by Cheapflights users on 7/29. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 8/247:20 amPUS - SFO
1 stop21h 40mMultiple Airlines
vie. 9/123:30 pmSFO - PUS
1 stop25h 00mMultiple Airlines
Deal found 7/29$739
This Delta deal was found by Cheapflights users on 7/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 8/247:00 amPUS - SFO
1 stop20h 00mDelta
sáb. 9/133:43 pmSFO - PUS
2 stops25h 47mDelta
Deal found 7/29$780
This FlightHub deal was found by Cheapflights users on 7/29. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 8/233:00 pmPUS - SFO
1 stop17h 00mAsiana Airlines
jue. 9/1111:30 pmSFO - PUS
1 stop18h 45mAsiana Airlines
Deal found 7/29$816
This Gotogate deal was found by Cheapflights users on 7/27. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 9/2612:15 pmPUS - SFO
1 stop23h 40mChina Airlines
jue. 10/21:05 amSFO - PUS
1 stop25h 55mChina Airlines
Deal found 7/27$948
This Vietnam Airlines deal was found by Cheapflights users on 7/28. 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 Vietnam Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 9/1110:00 amPUS - SFO
1 stop24h 40mVietnam Airlines
jue. 9/1810:50 pmSFO - PUS
1 stop41h 00mVietnam Airlines
Deal found 7/28$980

Cheapflights Fare Finder

 
Customize your flight search to find flights from Busan to San Francisco 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 julio 29, 2025.
Use the filters below to find and compare flights from Busan to San Francisco that are best for you.

Fly from

Busan

Fly to

San Francisco

Route

Depart

Return

Price

BusanSan Francisco

PUS - SFO

PUSSFO

Busan Gimhae

lun. 11/24

7:55 am-9:30 am

1 stop18h 35m

San Francisco

mié. 12/3

11:40 am-10:50 am

1 stop30h 10m

$684

BusanSan Francisco

PUS - SFO

PUSSFO

Busan Gimhae

vie. 9/26

9:00 pm-8:50 pm

1 stop39h 50m

San Francisco

vie. 10/3

11:55 pm-7:50 pm

1 stop27h 55m

$715

BusanSan Francisco

PUS - SFO

PUSSFO

Busan Gimhae

dom. 8/24

7:20 am-1:00 pm

1 stop21h 40m

San Francisco

vie. 9/12

3:30 pm-8:30 am

1 stop25h 00m

$739

BusanSan Francisco

PUS - SFO

PUSSFO

Busan Gimhae

dom. 8/24

7:00 am-11:00 am

1 stop20h 00m

San Francisco

sáb. 9/13

3:43 pm-9:30 am

2 stops25h 47m

$780

BusanSan Francisco

PUS - SFO

PUSSFO

Busan Gimhae

sáb. 8/23

3:00 pm-4:00 pm

1 stop17h 00m

San Francisco

jue. 9/11

11:30 pm-10:15 am

1 stop18h 45m

$816

BusanSan Francisco

PUS - SFO

PUSSFO

Busan Gimhae

vie. 9/26

12:15 pm-7:55 pm

1 stop23h 40m

San Francisco

jue. 10/2

1:05 am-7:00 pm

1 stop25h 55m

$948

BusanSan Francisco

PUS - SFO

PUSSFO

Busan Gimhae

jue. 9/11

10:00 am-6:40 pm

1 stop24h 40m

San Francisco

jue. 9/18

10:50 pm-7:50 am

1 stop41h 00m

$980

BusanSan Francisco

PUS - SFO

PUSSFO

Busan Gimhae

lun. 10/20

10:10 pm-3:28 pm

2 stops33h 18m

$432

BusanSan Francisco

PUS - SFO

PUSSFO

Busan Gimhae

mié. 11/12

7:00 am-9:30 am

1 stop19h 30m

$495

BusanSan Francisco

PUS - SFO

PUSSFO

Busan Gimhae

mié. 10/22

8:45 am-7:30 pm

2 stops26h 45m

$516

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/27

Showing 1-10 of 16 results
1
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Best time to book a flight from Busan to San Francisco

Have a flexible travel schedule? Discover the best time to fly to San Francisco from Busan 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.

Reviews of airlines servicing San Francisco

Get insights into the airlines that provide service to San Francisco. 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 San Francisco. Reviews last updated julio 29, 2025.
Peruse reviews from past customers who have flown with Korean Air, China Airlines, and Asiana Airlines from Busan to San Francisco 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
1,121 reviews

Comfort

8.2

Boarding

8.5

Crew

8.7

Entertainment

8.2

Food

8.1

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Myung Suk,May 2025

ICN - LAX

The flight was less crowded and the economic class seat was at least 5 inches longer than other airlines.
Korean Air
8.4
Very good
1,121 reviews
Korean Air
8.4
Very good
1,121 reviews

Comfort

8.2

Boarding

8.5

Crew

8.7

Entertainment

8.2

Food

8.1

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Myung Suk,May 2025

ICN - LAX

The flight was less crowded and the economic class seat was at least 5 inches longer than other airlines.
China Airlines
8.3
Very good
754 reviews
Korean Air
8.4
Very good
1,121 reviews

Comfort

8.2

Boarding

8.5

Crew

8.7

Entertainment

8.2

Food

8.1

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Myung Suk,May 2025

ICN - LAX

The flight was less crowded and the economic class seat was at least 5 inches longer than other airlines.
Asiana Airlines
8.2
Very good
465 reviews
Korean Air
8.4
Very good
1,121 reviews

Comfort

8.2

Boarding

8.5

Crew

8.7

Entertainment

8.2

Food

8.1

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Myung Suk,May 2025

ICN - LAX

The flight was less crowded and the economic class seat was at least 5 inches longer than other airlines.
Singapore Airlines
8.1
Very good
1,338 reviews
Korean Air
8.4
Very good
1,121 reviews

Comfort

8.2

Boarding

8.5

Crew

8.7

Entertainment

8.2

Food

8.1

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Myung Suk,May 2025

ICN - LAX

The flight was less crowded and the economic class seat was at least 5 inches longer than other airlines.
Delta
8.0
Very good
7,977 reviews
Korean Air
8.4
Very good
1,121 reviews

Comfort

8.2

Boarding

8.5

Crew

8.7

Entertainment

8.2

Food

8.1

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Myung Suk,May 2025

ICN - LAX

The flight was less crowded and the economic class seat was at least 5 inches longer than other airlines.

Related info for your journey

Find useful and relevant information for your journey from Busan to San Francisco. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines flying from Busan to San Francisco round-trip?

    Korean Air, at $684, was found to be the cheapest airline from Busan to San Francisco.Alternate airlines to your destination round-trip include Philippine Airlines and Delta. Korean Air is priced at 29% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Busan to San Francisco one-way?

    $495 is the cheapest one-way deal found within the past few days, from Korean Air. You may also be able to find cheap deals on Delta and Asiana Airlines, with prices starting from $516 and $532, respectively.

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

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

  • How can I find direct flights from Busan to San Francisco?

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

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

    Yes. Cheapflights offers flight deals from Busan to San Francisco 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 Busan to San Francisco?

    Currently, January is the cheapest month in which you can book a flight from Busan to San Francisco (average of $276). Flying from Busan to San Francisco in June is currently the most expensive (average of $358). 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 San Francisco?

Book flights to San Francisco if you plan to visit one of these locations
Roseville
Mountain View
Santa Cruz
South San Francisco
Livermore
Turlock
Manteca
Antioch
Hollister
Watsonville
Sunnyvale
Newark
Milpitas
Campbell
Foster City
Capitola
Santa Clara
San Leandro
Burlingame
Redwood City

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Top airline flying from Busan to San Francisco

Discover the top airline that operate flights from Busan to San Francisco. 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 julio 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
Korean AirCheapest$837Average$890FlexibilityNo cancel feeOn-time81%

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