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$418+ Cheap flights from San Francisco (SFO) 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 9/2. Fares are subject to change and may not be available on all flights or dates of travel.
SFO — PUS
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
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Cheap flight deals from San Francisco to Busan

Discover tips and strategies to find the most affordable flight options for your journey from San Francisco (SFO) to Busan (PUS). 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 12, 2025.

Round-trip from

$808
(Trip.com)

One-way from

$418
(Kiwi.com)

Popular in

December

Cheapest in

March

Average price

$1,413
From San Francisco to Busan Gimhae
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One-way flight from San Francisco to Busan Gimhae
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Highest demand for flights based on searches. 12% potential increase in price ($167 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($55 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 San Francisco to Busan

Cheapest flights from San Francisco to Busan
Explore the most affordable flight options available from San Francisco to Busan. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 12, 2025.

This Trip.com deal was found by Cheapflights users on 6/10. 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.
Tue 9/165:20 pmSFO - PUS
1 stop27h 55mMultiple Airlines
Fri 9/267:50 amPUS - SFO
1 stop23h 30mMultiple Airlines
Deal found 6/10$808
This oojo deal was found by Cheapflights users on 6/12. 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.
Mon 9/2211:10 pmSFO - PUS
1 stop22h 25mCathay Pacific
Mon 9/297:45 amPUS - SFO
1 stop30h 55mCathay Pacific
Deal found 6/12$826
This Asiana Airlines deal was found by Cheapflights users on 6/11. 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 Asiana Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/1911:30 pmSFO - PUS
1 stop18h 45mAsiana Airlines
Sun 8/243:00 pmPUS - SFO
1 stop17h 00mAsiana Airlines
Deal found 6/11$928
This oojo deal was found by Cheapflights users on 6/11. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/26:00 amSFO - PUS
2 stops21h 35mKorean Air
Tue 9/168:45 amPUS - SFO
2 stops23h 07mKorean Air
Deal found 6/11$947
This Delta deal was found by Cheapflights users on 6/11. 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.
Wed 8/205:55 amSFO - PUS
2 stops22h 50mDelta
Sun 8/248:05 amPUS - SFO
1 stop18h 55mDelta
Deal found 6/11$979
This China Airlines deal was found by Cheapflights users on 6/11. 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 China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/181:05 amSFO - PUS
1 stop25h 55mChina Airlines
Tue 8/2610:20 amPUS - SFO
1 stop26h 10mChina Airlines
Deal found 6/11$1,043
This Gurufare deal was found by Cheapflights users on 6/11. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/1712:00 pmSFO - PUS
1 stop36h 50mChina Eastern
Sun 7/2012:35 pmPUS - SFO
1 stop36h 30mChina Eastern
Deal found 6/11$1,158
This Trip.com deal was found by Cheapflights users on 6/11. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/1411:55 pmSFO - PUS
1 stop27h 55mPhilippine Airlines
Mon 7/289:00 pmPUS - SFO
1 stop39h 50mPhilippine Airlines
Deal found 6/11$1,412
This Vietnam Airlines deal was found by Cheapflights users on 6/11. 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 Vietnam Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/1910:50 pmSFO - PUS
2 stops40h 15mVietnam Airlines
Wed 7/2310:00 amPUS - SFO
1 stop24h 40mVietnam Airlines
Deal found 6/11$1,569
This KAYAK deal was found by Cheapflights users on 6/10. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/1512:35 amSFO - PUS
3 stops65h 45mChina Southern
Fri 9/2611:20 amPUS - SFO
2 stops49h 20mChina Southern
Deal found 6/10$3,702

Cheapflights Fare Finder

Customize your flight search to find flights from San Francisco 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 June 12, 2025.
Use the filters below to find and compare flights from San Francisco to Busan that are best for you.

Fly from

San Francisco

Fly to

Busan

Route

Depart

Return

Price

San FranciscoBusan

SFO - PUS

SFOPUS

San Francisco

Tue 9/16

5:20 pm-1:15 pm

1 stop27h 55m

Busan Gimhae

Fri 9/26

7:50 am-3:20 pm

1 stop23h 30m

$808

San FranciscoBusan

SFO - PUS

SFOPUS

San Francisco

Mon 9/22

11:10 pm-1:35 pm

1 stop22h 25m

Busan Gimhae

Mon 9/29

7:45 am-5:30 pm

1 stop25h 45m

$826

San FranciscoBusan

SFO - PUS

SFOPUS

San Francisco

Tue 8/19

11:30 pm-10:15 am

1 stop18h 45m

Busan Gimhae

Sun 8/24

3:00 pm-4:00 pm

1 stop17h 00m

$928

San FranciscoBusan

SFO - PUS

SFOPUS

San Francisco

Tue 9/2

6:00 am-7:35 pm

2 stops21h 35m

Busan Gimhae

Tue 9/16

8:45 am-3:52 pm

2 stops23h 07m

$947

San FranciscoBusan

SFO - PUS

SFOPUS

San Francisco

Wed 8/20

5:55 am-8:45 pm

2 stops22h 50m

Busan Gimhae

Sun 8/24

8:05 am-11:00 am

1 stop18h 55m

$979

San FranciscoBusan

SFO - PUS

SFOPUS

San Francisco

Mon 8/18

1:05 am-7:00 pm

1 stop25h 55m

Busan Gimhae

Wed 8/27

10:20 am-8:30 pm

1 stop26h 10m

$1,043

San FranciscoBusan

SFO - PUS

SFOPUS

San Francisco

Thu 7/17

12:00 pm-4:50 pm

1 stop36h 50m

Busan Gimhae

Sun 7/20

12:35 pm-9:05 am

1 stop36h 30m

$1,158

San FranciscoBusan

SFO - PUS

SFOPUS

San Francisco

Mon 7/14

11:55 pm-7:50 pm

1 stop27h 55m

Busan Gimhae

Mon 7/28

9:00 pm-8:50 pm

1 stop39h 50m

$1,412

San FranciscoBusan

SFO - PUS

SFOPUS

San Francisco

Sat 7/19

10:50 pm-7:05 am

2 stops40h 15m

Busan Gimhae

Wed 7/23

10:00 am-6:40 pm

1 stop24h 40m

$1,569

San FranciscoBusan

SFO - PUS

SFOPUS

San Francisco

Mon 9/15

12:35 am-10:20 am

3 stops65h 45m

Busan Gimhae

Fri 9/26

11:20 am-8:40 pm

2 stops49h 20m

$3,702

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 15 results
1
2

Best time to book a flight from San Francisco to Busan

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

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

Currently, August is the cheapest month in which you can book a flight from San Francisco to Busan (average of $1,166). Flying from San Francisco to Busan in December is currently the most expensive (average of $2,247). 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 SFO to PUS?

Find hourly flight availability from San Francisco 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 June 12, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 35% on flights from San Francisco to Busan by exploring options for tickets at noon.

Rainfall in Busan by month

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

In terms of precipitation, rainfall in Busan ranges from 0.9 - 10.2 inches per month. July is typically the wettest month, when rainfall can reach 10.2 in. December is typically the driest time to visit Busan when rainfall is around 0.9 in.

Temperature in Busan by month

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

If weather is an important factor for your trip to Busan, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 39.2 F).

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 June 12, 2025.
Korean Air
8.4
Very good
1,088 reviews

Boarding

8.5

Comfort

8.3

Entertainment

8.2

Overall

8.4

Food

8.1

Crew

8.7

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
1,088 reviews
Korean Air
8.4
Very good
1,088 reviews

Boarding

8.5

Comfort

8.3

Entertainment

8.2

Overall

8.4

Food

8.1

Crew

8.7

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
738 reviews
Korean Air
8.4
Very good
1,088 reviews

Boarding

8.5

Comfort

8.3

Entertainment

8.2

Overall

8.4

Food

8.1

Crew

8.7

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
440 reviews
Korean Air
8.4
Very good
1,088 reviews

Boarding

8.5

Comfort

8.3

Entertainment

8.2

Overall

8.4

Food

8.1

Crew

8.7

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
7,946 reviews
Korean Air
8.4
Very good
1,088 reviews

Boarding

8.5

Comfort

8.3

Entertainment

8.2

Overall

8.4

Food

8.1

Crew

8.7

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.
Cathay Pacific
7.6
Good
892 reviews
Korean Air
8.4
Very good
1,088 reviews

Boarding

8.5

Comfort

8.3

Entertainment

8.2

Overall

8.4

Food

8.1

Crew

8.7

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 San Francisco to Busan. 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 San Francisco to Busan round-trip?

    Our cheapest airline available from San Francisco to Busan is Cathay Pacific. Our recent data shows that you can find tickets from as low as $826 on this airline. Additional options worth looking into are Asiana Airlines and Korean Air, starting at $928 and $947 round-trip. Cathay Pacific is 32% cheaper than the average price of flights available within the next 90 days to this destination.

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

    The cheapest airline one-way is China Airlines, with whom users have recently found tickets for as low as $956. However, be on the lookout for offers from China Eastern and Cathay Pacific, as they are both options that can get you from San Francisco to Busan for a low price.

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from San Francisco to Busan (average of $1,166). Flying from San Francisco to Busan in December is currently the most expensive (average of $2,247). 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

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Alternative routes for San Francisco to Busan

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from San Francisco to Busan

Discover the top 3 airlines that operate flights from San Francisco 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Korean AirCheapest$896Average$1,076FlexibilityNo cancel feeOn-time81%
China AirlinesCheapest$922Average$1,267FlexibilityNo cancel feeOn-time70%
DeltaCheapest$1,115Average$1,517FlexibilityNo cancel feeOn-timeN/A

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