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$4,520+ Cheap flights from Oakland, CA (OAK) to Busan (PUS)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/7. Fares are subject to change and may not be available on all flights or dates of travel.
OAK — PUS
Jan 3 — Jan 101
Sat 1/3
Sat 1/10
1 adult, Economy
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Cheap flight deals from Oakland to Busan

Best flights from Oakland to Busan
Discover carefully curated flight deals from Oakland to Busan that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 4, 2025.

This Korean Air deal was found by Cheapflights users on 12/2. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/76:15 amOAK - PUS
2 stops21h 30mKorean Air
Tue 3/107:00 amPUS - OAK
2 stops29h 37mKorean Air
Deal found 12/2$4,520

Find flight deals from Oakland to Busan

Discover tips and strategies to find the most affordable flight options for your journey from Oakland (OAK) 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 December 4, 2025.

Most accurate provider

Expedia
2 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$1,284
(Delta)

Popular in

December

Cheapest in

March

Average price

$1,593
Provider with most accurate pricing for Oakland-Busan Gimhae flight deals.
Search Deals
Provider most trusted by Cheapflights users for Oakland-Busan Gimhae flights.
Search Deals
From Oakland 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 Oakland 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 4, 2025.
Use the filters below to find and compare flights from Oakland to Busan that are best for you.

Fly from

Oakland

Fly to

Busan

Route

Depart

Return

Price

OaklandBusan

OAK - PUS

OAKPUS

Oakland

Sat 3/7

6:15 am-8:45 pm

2 stops21h 30m

Busan Gimhae

Tue 3/10

7:00 am-8:37 pm

2 stops29h 37m

$4,520

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/2

  • Most accurate provider: When it comes to deals on Oakland, California-Busan flights, users find the pricing of Expedia to be most consistent on Cheapflights vs. Expedia Users can find the same prices on Oakland, California-Busan flight deals on Cheapflights vs. Expedia 90-95% of the time. Price accuracy is based on data collected from Oakland, California-Busan flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Oakland, California-Busan flights, Cheapflights users trust Expedia the most. Expedia has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Oakland, California-Busan flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Oakland to Busan

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

What is the cheapest month to book a flight from Oakland, California to Busan?

Currently, June is the cheapest month in which you can book a flight from Oakland, California to Busan (average of $691). Flying from Oakland, California 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.

Related info for your journey

Find useful and relevant information for your journey from Oakland to Busan. 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 Oakland, California to Busan?

    Korean Air can get you from Oakland, California to Busan in just under 21h 30m. Your travel time can differ by up to . There are 5644 mi between Oakland, California and Busan.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Oakland 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 Oakland, California to Busan?

    Currently, June is the cheapest month in which you can book a flight from Oakland, California to Busan (average of $691). Flying from Oakland, California 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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