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$396+ Cheap flights from Oakland, CA (OAK) to South Korea

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 1/19. Fares are subject to change and may not be available on all flights or dates of travel.
OAK — ICN
Dec 6 — Dec 131
Sat 12/6
Sat 12/13
1 adult, Economy
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Find flight deals from Oakland to South Korea

Cheapest flights from Oakland to South Korea
Explore the most affordable flight options available from Oakland to South Korea. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 6, 2025.

This Alaska Airlines deal was found by Cheapflights users on 11/5. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/76:30 amOAK - ICN
1 stop19h 05mAlaska Airlines
Fri 11/148:35 pmICN - OAK
1 stop20h 24mAlaska Airlines
Deal found 11/5$676
This oojo deal was found by Cheapflights users on 11/5. 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.
Wed 12/36:40 amOAK - ICN
1 stop16h 15mKorean Air
Mon 12/154:10 pmICN - OAK
1 stop14h 22mKorean Air
Deal found 11/5$833
This Delta deal was found by Cheapflights users on 11/6. 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 11/175:55 amOAK - ICN
1 stop17h 25mDelta
Tue 11/257:40 pmICN - OAK
1 stop21h 23mDelta
Deal found 11/6$876
This Delta deal was found by Cheapflights users on 11/5. 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 12/34:50 pmOAK - ICN
2 stops30h 05mDelta
Mon 12/154:10 pmICN - OAK
2 stops24h 58mDelta
Deal found 11/5$881
This Delta deal was found by Cheapflights users on 11/5. 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.
Fri 11/75:55 amOAK - ICN
2 stops41h 35mDelta
Tue 11/118:05 pmICN - OAK
2 stops20h 58mDelta
Deal found 11/5$893
This oojo deal was found by Cheapflights users on 11/4. 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 12/26:40 amOAK - ICN
1 stop16h 15mKorean Air
Thu 12/44:10 pmICN - OAK
1 stop14h 22mKorean Air
Deal found 11/4$1,023
This oojo deal was found by Cheapflights users on 11/6. 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.
Wed 12/36:40 amOAK - ICN
1 stop16h 15mKorean Air
Fri 12/124:10 pmICN - OAK
1 stop14h 22mKorean Air
Deal found 11/6$1,036
This Korean Air deal was found by Cheapflights users on 11/5. 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.
Fri 11/76:30 amOAK - ICN
1 stop17h 00mKorean Air
Wed 11/124:10 pmICN - OAK
1 stop14h 45mKorean Air
Deal found 11/5$1,078
This Korean Air deal was found by Cheapflights users on 11/4. 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.
Fri 12/56:40 amOAK - ICN
1 stop16h 15mKorean Air
Thu 12/114:10 pmICN - OAK
1 stop14h 22mKorean Air
Deal found 11/4$1,080
This Korean Air deal was found by Cheapflights users on 11/5. 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.
Fri 11/76:30 amOAK - ICN
1 stop17h 00mKorean Air
Tue 11/118:05 pmICN - OAK
1 stop34h 50mKorean Air
Deal found 11/5$1,088
This Alaska Airlines deal was found by Cheapflights users on 11/5. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/76:30 amOAK - ICN
1 stop19h 05mAlaska Airlines
Thu 11/138:35 pmICN - OAK
2 stops29h 15mAlaska Airlines
Deal found 11/5$1,099
This Korean Air deal was found by Cheapflights users on 11/6. 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.
Mon 12/16:15 amOAK - CJU
2 stops20h 45mKorean Air
Wed 12/1712:00 pmCJU - OAK
2 stops18h 32mKorean Air
Deal found 11/6$1,770

Cheap flight deals from Oakland to South Korea

Keep the following information in mind while searching for Oakland to South Korea flight deals. Data was last updated November 6, 2025.

Most accurate provider

Justfly.com
3 stars

Most trusted provider

Justfly.com
3 stars

Round-trip from

$616
(Alaska Airlines)

One-way from

$396
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$727
Provider with most accurate pricing for San Francisco-Seoul (SEL) flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Francisco-Seoul (SEL) flights.
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From Oakland to South Korea
Search Deals
One-way flight from Oakland to South Korea
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($105 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($43 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Oakland to South Korea 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 November 6, 2025.
Use the filters below to find and compare flights from Oakland to South Korea that are best for you.

Fly from

Oakland

Fly to

South Korea

Route

Depart

Return

Price

OaklandIncheon

OAK - ICN

OAKICN

Oakland

Mon 11/17

5:55 am-4:20 pm

1 stop17h 25m

Incheon Intl

Tue 11/25

7:40 pm-12:03 am

1 stop21h 23m

$876

OaklandIncheon

OAK - ICN

OAKICN

Oakland

Tue 3/17

6:35 pm-6:35 pm

1 stop32h 00m

Incheon Intl

Sun 3/22

8:35 pm-11:39 pm

1 stop19h 04m

$882

OaklandIncheon

OAK - ICN

OAKICN

Oakland

Sun 1/4

5:53 am-3:55 pm

2 stops41h 02m

Incheon Intl

Sun 1/18

4:10 pm-9:38 pm

2 stops22h 28m

$891

OaklandIncheon

OAK - ICN

OAKICN

Oakland

Sun 1/4

6:10 am-6:35 pm

1 stop19h 25m

Incheon Intl

Sun 1/18

8:35 pm-8:40 pm

1 stop17h 05m

$951

OaklandIncheon

OAK - ICN

OAKICN

Oakland

Mon 3/9

6:30 am-3:55 pm

1 stop17h 25m

Incheon Intl

Thu 3/12

4:10 pm-5:43 pm

1 stop17h 33m

$1,080

OaklandIncheon

OAK - ICN

OAKICN

Oakland

Mon 3/9

5:05 pm-4:30 pm

2 stops31h 25m

Incheon Intl

Thu 3/12

8:05 pm-11:53 pm

2 stops19h 48m

$1,080

OaklandSeoul

OAK - GMP

OAKGMP

Oakland

Tue 1/27

8:10 am-10:05 pm

2 stops20h 55m

Seoul Gimpo Intl

Tue 2/17

12:05 pm-5:43 pm

2 stops22h 38m

$1,188

OaklandSeoul

OAK - GMP

OAKGMP

Oakland

Sun 1/18

8:10 am-10:05 pm

2 stops20h 55m

Seoul Gimpo Intl

Mon 1/26

8:00 am-4:23 pm

2 stops25h 23m

$1,272

OaklandDaegu

OAK - TAE

OAKTAE

Oakland

Sun 4/19

7:00 am-8:35 pm

2 stops21h 35m

Daegu

Wed 4/22

7:35 am-5:38 pm

2 stops26h 03m

$1,400

OaklandSeoul

OAK - GMP

OAKGMP

Oakland

Wed 4/1

7:00 am-9:50 pm

2 stops22h 50m

Seoul Gimpo Intl

Sun 4/12

7:20 pm-5:38 pm

2 stops38h 18m

$1,746

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/5

Showing 1-10 of 44 results
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Best time to book a flight from Oakland to South Korea

Have a flexible travel schedule? Discover the best time to fly to South Korea 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 South Korea

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

Currently, April is the cheapest month in which you can book a flight from Oakland, California to South Korea (average of $414). Flying from Oakland, California to South Korea in June is currently the most expensive (average of $690). 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 OAK to KR?

Find hourly flight availability from Oakland to South Korea. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 6, 2025.

It’s typically best to fly out from Oakland, California to South Korea in the morning. Doing so could potentially save you 40% on the flight price compared to flying at noon, which is usually more expensive.

What is the cheapest day to fly from Oakland, California to South Korea?

Use this chart to determine the cheapest time to fly round-trip from Oakland to South Korea. Price data was last updated on December 8, 2024.

Travelers seeking maximum savings on their Oakland, California to South Korea flight should consider departing on Monday at noon when fares are most often at their lowest. Wednesday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Related info for your journey

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

  • What airport do you fly from for flights from Oakland to South Korea?

    Located just 7.0 mi from the city center, Oakland (OAK) is the airport most travelers will use when flying to South Korea from Oakland.

  • How long is the flight from Oakland, California to South Korea?

    For as low as $876, Delta can have you in South Korea from Oakland, California in 17h 25m. The distance from Oakland, California to South Korea is about 5644 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines to fly from Oakland, California to South Korea one-way?

    For one-way options, check prices for Hawaiian Airlines. According to our data, you can fly for as low as $637. Users have also found prices from $638 and $889 on Alaska Airlines and Japan Airlines, respectively.

  • What are the most popular routes from Oakland, California to South Korea?

    Most travelers choose Oakland - Incheon Intl, Oakland - Seoul Gimpo Intl or Oakland - Daegu when deciding on the best route from Oakland, California to South Korea.

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

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

  • How can I find direct flights from Oakland to South Korea?

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

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

    Yes. Cheapflights offers flight deals from Oakland to South Korea 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 South Korea?

    Currently, April is the cheapest month in which you can book a flight from Oakland, California to South Korea (average of $414). Flying from Oakland, California to South Korea in June is currently the most expensive (average of $690). 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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