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$523+ 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 4/7. Fares are subject to change and may not be available on all flights or dates of travel.
OAK — ICN
Feb 14 — Feb 211
Sat 2/14
Sat 2/21
1 adult, Economy
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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 January 15, 2026.

Most accurate provider

Justfly.com
3 stars

Most trusted provider

Justfly.com
3 stars

Round-trip from

$617
(Alaska Airlines)

One-way from

$523
(Alaska Airlines)

Popular in

June

Cheapest in

February

Average price

$712
Provider with most accurate pricing for San Francisco-Seoul (SEL) flight deals.
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Provider most trusted by Cheapflights users for San Francisco-Seoul (SEL) flights.
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From Oakland to South Korea
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One-way flight from Oakland to South Korea
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Highest demand for flights based on searches. 17% potential increase in price ($171 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($34 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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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 January 15, 2026.

This Alaska Airlines deal was found by Cheapflights users on 1/15. 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.
Sun 3/16:15 am
OAK
-
ICN
1 stop19h 20m
Multiple Airlines
Sun 3/88:35 pm
ICN
-
OAK
1 stop28h 39m
Multiple Airlines
Deal found 1/15$617
This SmartFares deal was found by Cheapflights users on 1/15. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/17:00 am
OAK
-
ICN
1 stop19h 35m
Multiple Airlines
Wed 4/227:35 pm
ICN
-
OAK
1 stop18h 57m
Multiple Airlines
Deal found 1/15$660
This Alaska Airlines deal was found by Cheapflights users on 1/13. 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.
Thu 2/126:15 am
OAK
-
ICN
1 stop19h 20m
Multiple Airlines
Mon 3/28:35 pm
ICN
-
OAK
1 stop19h 14m
Multiple Airlines
Deal found 1/13$727
This Alaska Airlines deal was found by Cheapflights users on 1/14. 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.
Sat 2/285:31 pm
OAK
-
ICN
1 stop32h 04m
Multiple Airlines
Sat 3/78:35 pm
ICN
-
OAK
1 stop20h 19m
Multiple Airlines
Deal found 1/14$732
This Jetabroad deal was found by Cheapflights users on 1/14. 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 Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/26:40 pm
OAK
-
ICN
1 stop31h 55m
Multiple Airlines
Wed 4/158:35 pm
ICN
-
OAK
1 stop29h 58m
Multiple Airlines
Deal found 1/14$749
This Gurufare deal was found by Cheapflights users on 1/13. 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.
Sat 3/286:40 pm
OAK
-
ICN
1 stop31h 55m
Multiple Airlines
Thu 4/237:35 pm
ICN
-
OAK
1 stop18h 57m
Multiple Airlines
Deal found 1/13$795
This Gurufare deal was found by Cheapflights users on 1/14. 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.
Sat 3/286:40 pm
OAK
-
ICN
1 stop31h 55m
Multiple Airlines
Wed 4/227:35 pm
ICN
-
OAK
1 stop29h 38m
Multiple Airlines
Deal found 1/14$802
This SmartFares deal was found by Cheapflights users on 1/13. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 1/238:10 am
OAK
-
ICN
1 stop17h 25m
Multiple Airlines
Mon 2/28:35 pm
ICN
-
OAK
1 stop17h 05m
Multiple Airlines
Deal found 1/13$809
This SmartFares deal was found by Cheapflights users on 1/13. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/215:31 pm
OAK
-
ICN
1 stop32h 04m
Multiple Airlines
Sat 2/288:35 pm
ICN
-
OAK
1 stop19h 14m
Multiple Airlines
Deal found 1/13$815
This Ovago deal was found by Cheapflights users on 1/13. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/276:15 am
OAK
-
ICN
1 stop16h 40m
Multiple Airlines
Fri 3/68:05 pm
ICN
-
OAK
1 stop20h 49m
Multiple Airlines
Deal found 1/13$819
This Delta deal was found by Cheapflights users on 1/13. 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.
Thu 4/235:55 am
OAK
-
ICN
1 stop17h 25m
Delta
Sat 5/27:20 pm
ICN
-
OAK
1 stop18h 21m
Delta
Deal found 1/13$827
This Korean Air deal was found by Cheapflights users on 1/14. 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.
Wed 4/15:55 am
OAK
-
ICN
1 stop17h 25m
Multiple Airlines
Tue 4/147:20 pm
ICN
-
OAK
1 stop20h 29m
Multiple Airlines
Deal found 1/14$828

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 January 15, 2026.
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

Sat 1/31

8:10 am-6:35 pm

1 stop17h 25m

Incheon Intl

Sun 3/15

8:35 pm-11:58 pm

1 stop19h 23m

$727

OaklandIncheon

OAK - ICN

OAKICN

Oakland

Sat 3/28

6:40 pm-6:35 pm

1 stop31h 55m

Incheon Intl

Wed 4/15

8:35 pm-11:43 pm

1 stop19h 08m

$732

OaklandIncheon

OAK - ICN

OAKICN

Oakland

Sat 3/28

6:40 pm-6:35 pm

1 stop31h 55m

Incheon Intl

Wed 4/22

7:35 pm-9:13 am

1 stop29h 38m

$802

OaklandIncheon

OAK - ICN

OAKICN

Oakland

Sun 3/29

5:55 am-3:20 pm

1 stop17h 25m

Incheon Intl

Wed 4/15

7:20 pm-11:49 pm

1 stop20h 29m

$827

OaklandIncheon

OAK - ICN

OAKICN

Oakland

Thu 4/2

5:55 am-3:20 pm

1 stop17h 25m

Incheon Intl

Tue 4/14

7:20 pm-11:49 pm

1 stop20h 29m

$828

OaklandIncheon

OAK - ICN

OAKICN

Oakland

Sat 4/4

5:55 am-3:20 pm

1 stop17h 25m

Incheon Intl

Tue 4/14

7:20 pm-11:49 pm

1 stop20h 29m

$829

OaklandIncheon

OAK - ICN

OAKICN

Oakland

Tue 2/3

5:00 pm-4:30 pm

2 stops30h 30m

Incheon Intl

Tue 2/10

7:40 pm-11:53 pm

1 stop21h 13m

$831

OaklandIncheon

OAK - ICN

OAKICN

Oakland

Sun 2/1

5:00 pm-4:20 pm

1 stop30h 20m

Incheon Intl

Sat 2/14

8:05 pm-11:55 am

2 stops32h 50m

$843

OaklandIncheon

OAK - ICN

OAKICN

Oakland

Sun 2/1

5:00 pm-4:30 pm

2 stops30h 30m

Incheon Intl

Fri 2/13

8:05 pm-9:46 pm

2 stops42h 41m

$843

OaklandIncheon

OAK - ICN

OAKICN

Oakland

Thu 1/29

4:54 pm-4:30 pm

2 stops54h 36m

Incheon Intl

Fri 2/13

8:05 pm-9:46 pm

2 stops42h 41m

$855

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/14

Showing 1-10 of 46 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 $432). Flying from Oakland, California to South Korea in June is currently the most expensive (average of $661). 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 January 15, 2026.

It’s typically best to fly out from Oakland, California to South Korea in the morning. Doing so could potentially save you 57% on the flight price compared to flying in the evening, 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 March 30, 2025.

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 $827, 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 most popular routes from Oakland, California to South Korea?

    Most travelers choose Oakland - Incheon Intl, Oakland - Seoul Gimpo Intl or Oakland - Busan Gimhae 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 $432). Flying from Oakland, California to South Korea in June is currently the most expensive (average of $661). 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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