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$387+ 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 9/1. Fares are subject to change and may not be available on all flights or dates of travel.
PUS — SFO
Jun 28 — Jul 51
Sat 6/28
Sat 7/5
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 June 23, 2025.

Round-trip from

$692
(Gotogate)

One-way from

$387
(Kiwi.com)

Popular in

August

Cheapest in

June

Average price

$631
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. 21% potential increase in price ($268 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($53 potential savings vs. average RT price).
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Average for round-trip flights in June 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 June 23, 2025.

This Gotogate deal was found by Cheapflights users on 6/22. 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.
Fri 10/179:00 pmPUS - SFO
1 stop39h 50mPhilippine Airlines
Wed 10/2211:55 pmSFO - PUS
1 stop27h 55mPhilippine Airlines
Deal found 6/22$692
This Gotogate deal was found by Cheapflights users on 6/22. 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.
Wed 8/2710:20 amPUS - SFO
1 stop26h 10mChina Airlines
Sat 8/301:05 amSFO - PUS
1 stop25h 55mChina Airlines
Deal found 6/22$809
This Gotogate deal was found by Cheapflights users on 6/22. 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.
Fri 10/178:05 amPUS - SFO
1 stop18h 35mKorean Air
Wed 10/2212:50 pmSFO - PUS
2 stops35h 05mKorean Air
Deal found 6/22$810
This Gotogate deal was found by Cheapflights users on 6/22. 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.
Fri 8/294:30 pmPUS - SFO
1 stop15h 30mMultiple Airlines
Fri 8/2911:30 pmSFO - PUS
1 stop18h 00mMultiple Airlines
Deal found 6/22$830
This oojo deal was found by Cheapflights users on 6/21. 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.
Fri 8/297:30 amPUS - SFO
2 stops24h 30mAsiana Airlines
Fri 8/2911:30 pmSFO - PUS
2 stops43h 00mAsiana Airlines
Deal found 6/21$846
This Delta deal was found by Cheapflights users on 6/21. 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.
Mon 8/188:45 amPUS - SFO
1 stop18h 15mDelta
Thu 8/218:55 pmSFO - PUS
2 stops30h 40mDelta
Deal found 6/21$1,097
This Gotogate deal was found by Cheapflights users on 6/23. 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.
Wed 12/247:45 amPUS - SFO
1 stop41h 05mSingapore Airlines
Fri 2/205:15 pmSFO - PUS
2 stops44h 20mSingapore Airlines
Deal found 6/23$1,252

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 June 23, 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

Fri 10/17

9:00 pm-8:50 pm

1 stop39h 50m

San Francisco

Wed 10/22

11:55 pm-7:50 pm

1 stop27h 55m

$692

BusanSan Francisco

PUS - SFO

PUSSFO

Busan Gimhae

Wed 8/27

10:20 am-8:30 pm

1 stop26h 10m

San Francisco

Sat 8/30

1:05 am-7:00 pm

1 stop25h 55m

$809

BusanSan Francisco

PUS - SFO

PUSSFO

Busan Gimhae

Fri 10/17

8:05 am-10:40 am

1 stop18h 35m

San Francisco

Wed 10/22

12:50 pm-3:55 pm

2 stops35h 05m

$810

BusanSan Francisco

PUS - SFO

PUSSFO

Busan Gimhae

Fri 8/29

4:30 pm-4:00 pm

1 stop15h 30m

San Francisco

Fri 8/29

11:30 pm-9:30 am

1 stop18h 00m

$830

BusanSan Francisco

PUS - SFO

PUSSFO

Busan Gimhae

Fri 8/29

7:30 am-4:00 pm

2 stops24h 30m

San Francisco

Fri 8/29

11:30 pm-10:30 am

2 stops43h 00m

$846

BusanSan Francisco

PUS - SFO

PUSSFO

Busan Gimhae

Mon 8/18

8:05 am-11:00 am

1 stop18h 55m

San Francisco

Thu 8/21

8:55 pm-8:45 pm

2 stops31h 50m

$1,097

BusanSan Francisco

PUS - SFO

PUSSFO

Busan Gimhae

Mon 9/1

7:50 am-3:20 pm

1 stop23h 30m

$387

BusanSan Francisco

PUS - SFO

PUSSFO

Busan Gimhae

Sat 11/15

4:10 pm-9:30 am

1 stop34h 20m

$496

BusanSan Francisco

PUS - SFO

PUSSFO

Busan Gimhae

Sat 11/15

12:00 pm-5:50 pm

2 stops22h 50m

$525

BusanSan Francisco

PUS - SFO

PUSSFO

Busan Gimhae

Fri 8/15

8:00 pm-8:30 pm

1 stop16h 30m

$664

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/21

Showing 1-10 of 11 results
1
2

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.

Cheapflights Insights

Everything you need to know about your flight from Busan to San Francisco

Rainfall in San Francisco by month

Plan your trip to San Francisco by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in San Francisco ranges from 0.0 - 4.4 inches per month. January is typically the wettest month, when rainfall can reach 4.4 in. July is typically the driest time to visit San Francisco when rainfall is around 0.0 in.

Temperature in San Francisco by month

Plan your trip to San Francisco by taking into account the average temperature totals by month.

If weather is an important factor for your trip to San Francisco, use this chart to help with planning. For those seeking warmer temperatures, September is the ideal time of year to visit, when temperatures reach an average of 62.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 51.8 F).

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 June 23, 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. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.4
Very good
1,092 reviews

Crew

8.7

Entertainment

8.2

Comfort

8.3

Boarding

8.5

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
1,092 reviews
Korean Air
8.4
Very good
1,092 reviews

Crew

8.7

Entertainment

8.2

Comfort

8.3

Boarding

8.5

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
745 reviews
Korean Air
8.4
Very good
1,092 reviews

Crew

8.7

Entertainment

8.2

Comfort

8.3

Boarding

8.5

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
446 reviews
Korean Air
8.4
Very good
1,092 reviews

Crew

8.7

Entertainment

8.2

Comfort

8.3

Boarding

8.5

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
7,965 reviews
Korean Air
8.4
Very good
1,092 reviews

Crew

8.7

Entertainment

8.2

Comfort

8.3

Boarding

8.5

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.
Vietnam Airlines
7.5
Good
195 reviews
Korean Air
8.4
Very good
1,092 reviews

Crew

8.7

Entertainment

8.2

Comfort

8.3

Boarding

8.5

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?

    Philippine Airlines, at $692, was found to be the cheapest airline from Busan to San Francisco.Alternate airlines to your destination round-trip include China Airlines and Korean Air. Philippine Airlines is priced at 30% 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?

    $496 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 China Airlines, with prices starting from $525 and $664, 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 $360). 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 Busan?

Book flights to Busan if you plan to visit one of these locations
Roseville
Mountain View
South San Francisco
Livermore
Santa Cruz
Turlock
Manteca
Watsonville
Fairfield
Antioch
Hollister
Milpitas
Sunnyvale
Newark
Alameda
Hayward
Daly City
Campbell
Capitola
Foster City

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 June 23, 2025.
AirlineCheapestAverageFlexibilityOn-time
Korean AirCheapest$837Average$890FlexibilityNo cancel feeOn-time81%

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