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$554+ 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 1/27. Fares are subject to change and may not be available on all flights or dates of travel.
PUS — SFO
oct. 11 — oct. 181
sáb. 10/11
sáb. 10/18
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 septiembre 11, 2025.

Round-trip from

$692
(oojo)

One-way from

$554
(WhyPayMore)

Popular in

August

Cheapest in

June

Average price

$892
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. 20% potential increase in price ($247 potential increase over avg. RT price).
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Cheapest flight prices on average. 7% potential price decrease ($68 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 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 septiembre 11, 2025.

This oojo deal was found by Cheapflights users on 9/10. 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.
dom. 10/124:30 pmPUS - SFO
1 stop15h 00mMultiple Airlines
dom. 10/1911:30 pmSFO - PUS
1 stop18h 00mMultiple Airlines
Deal found 9/10$692
This Mytrip deal was found by Cheapflights users on 9/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 10/268:55 pmPUS - SFO
1 stop39h 35mPhilippine Airlines
dom. 11/210:30 pmSFO - PUS
1 stop28h 25mPhilippine Airlines
Deal found 9/11$724
This WhyPayMore deal was found by Cheapflights users on 9/10. 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 WhyPayMore is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 12/214:10 pmPUS - SFO
1 stop34h 20mKorean Air
lun. 1/511:40 amSFO - PUS
1 stop30h 10mKorean Air
Deal found 9/10$730
This Delta deal was found by Cheapflights users on 9/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 12/214:10 pmPUS - SFO
1 stop34h 20mDelta
lun. 1/56:50 pmSFO - PUS
2 stops32h 55mDelta
Deal found 9/11$744
This Delta deal was found by Cheapflights users on 9/10. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 10/128:45 amPUS - SFO
2 stops21h 48mDelta
dom. 10/1912:50 pmSFO - PUS
1 stop28h 40mDelta
Deal found 9/10$750
This Trip.com deal was found by Cheapflights users on 9/10. 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.
dom. 10/1210:20 amPUS - SFO
1 stop25h 35mChina Airlines
sáb. 10/181:05 amSFO - PUS
1 stop25h 55mChina Airlines
Deal found 9/10$849
This Mytrip deal was found by Cheapflights users on 9/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 10/2610:10 pmPUS - SFO
2 stops28h 20mMultiple Airlines
sáb. 11/112:10 amSFO - PUS
2 stops29h 00mMultiple Airlines
Deal found 9/11$1,149

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 septiembre 11, 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

dom. 10/12

4:30 pm-3:30 pm

1 stop15h 00m

San Francisco

dom. 10/19

11:30 pm-9:30 am

1 stop18h 00m

$692

BusanSan Francisco

PUS - SFO

PUSSFO

Busan Gimhae

dom. 12/21

4:10 pm-9:30 am

1 stop34h 20m

San Francisco

lun. 1/5

11:40 am-10:50 am

1 stop30h 10m

$730

BusanSan Francisco

PUS - SFO

PUSSFO

Busan Gimhae

dom. 12/21

4:10 pm-9:30 am

1 stop34h 20m

San Francisco

lun. 1/5

6:05 am-8:10 am

2 stops33h 05m

$744

BusanSan Francisco

PUS - SFO

PUSSFO

Busan Gimhae

dom. 10/12

8:45 am-2:33 pm

2 stops21h 48m

San Francisco

dom. 10/19

12:50 pm-9:30 am

1 stop28h 40m

$750

BusanSan Francisco

PUS - SFO

PUSSFO

Busan Gimhae

dom. 10/26

12:00 pm-11:33 pm

2 stops27h 33m

San Francisco

dom. 11/2

11:40 am-8:45 pm

1 stop16h 05m

$750

BusanSan Francisco

PUS - SFO

PUSSFO

Busan Gimhae

dom. 10/12

10:20 am-7:55 pm

1 stop25h 35m

San Francisco

sáb. 10/18

1:05 am-7:00 pm

1 stop25h 55m

$849

BusanSan Francisco

PUS - SFO

PUSSFO

Busan Gimhae

mar. 1/27

4:10 pm-9:30 am

1 stop34h 20m

$554

BusanSan Francisco

PUS - SFO

PUSSFO

Busan Gimhae

mar. 1/27

10:25 am-10:30 pm

2 stops29h 05m

$866

BusanSan Francisco

PUS - SFO

PUSSFO

Busan Gimhae

sáb. 12/20

1:25 pm-9:31 am

3 stops37h 06m

$2,052

BusanSan Francisco

PUS - SFO

PUSSFO

Busan Gimhae

sáb. 12/20

7:50 pm-6:45 pm

1 stop15h 55m

$2,311

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/11

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 septiembre 11, 2025.
Peruse reviews from past customers who have flown with Korean Air 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
1,139 reviews

Crew

8.7

Overall

8.4

Entertainment

8.2

Comfort

8.3

Food

8.1

Boarding

8.5

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!
Korean Air
8.4
Very good
1,139 reviews
Korean Air
8.4
Very good
1,139 reviews

Crew

8.7

Overall

8.4

Entertainment

8.2

Comfort

8.3

Food

8.1

Boarding

8.5

Reviews

1 / 20
10.0
Excellent

Jacqueline,Aug 2025

ICN - SEA

Well, I was upset at first because I have a special diet and I need to order vegetarian and I couldn’t do it before the trip, but the stewardess were so nice and they gave me sandwiches that were plant-based which I loved!!

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.

  • How long is the flight from Busan to San Francisco?

    For as low as $730, Korean Air can have you in San Francisco from Busan in 34h 20m. The distance between Busan and San Francisco is about 5641 mi.

  • What is the cheapest airline to fly from Busan to San Francisco round-trip?

    Korean Air, at $837, was found to be the cheapest airline from Busan to San Francisco.. Korean Air is priced at 10% lower than the current average price of a flight leaving 3 months from now.

  • 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 $357). 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
Santa Cruz
Livermore
South San Francisco
Turlock
Antioch
Watsonville
Manteca
Santa Clara
Sunnyvale
Hollister
Vacaville
Foster City
Vallejo
Burlingame
Redwood City
Union City
San Leandro
San Mateo
Lathrop

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Busan to San Francisco

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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 septiembre 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
Korean AirCheapest$837Average$890FlexibilityNo cancel feeOn-time81%

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