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$455+ 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 4/15. Fares are subject to change and may not be available on all flights or dates of travel.
OAK — ICN
Mar 7 — Mar 141
Sat 3/7
Sat 3/14
1 adult, Economy
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Cheap 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 February 5, 2026.

This CheapOair deal was found by Cheapflights users on 2/3. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/259:54 am
OAK
-
ICN
1 stop15h 41m
Multiple Airlines
Sat 3/78:35 pm
ICN
-
OAK
1 stop20h 19m
Multiple Airlines
Deal found 2/3$617
This CheapOair deal was found by Cheapflights users on 2/3. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/78:10 am
OAK
-
ICN
1 stop17h 25m
Multiple Airlines
Mon 2/238:35 pm
ICN
-
OAK
1 stop19h 17m
Multiple Airlines
Deal found 2/3$627
This CheapOair deal was found by Cheapflights users on 2/3. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/245:31 pm
OAK
-
ICN
1 stop32h 04m
Multiple Airlines
Sat 3/148:35 pm
ICN
-
OAK
1 stop19h 23m
Multiple Airlines
Deal found 2/3$632
This CheapOair deal was found by Cheapflights users on 2/3. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/46:20 am
OAK
-
ICN
1 stop19h 10m
Alaska Airlines
Thu 5/147:35 pm
ICN
-
OAK
1 stop20h 19m
Alaska Airlines
Deal found 2/3$677
This CheapOair deal was found by Cheapflights users on 2/3. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/52:09 pm
OAK
-
ICN
1 stop35h 21m
Alaska Airlines
Fri 5/157:35 pm
ICN
-
OAK
1 stop15h 30m
Alaska Airlines
Deal found 2/3$682
This CheapOair deal was found by Cheapflights users on 2/5. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/76:20 am
OAK
-
ICN
1 stop19h 10m
Alaska Airlines
Wed 5/277:35 pm
ICN
-
OAK
1 stop15h 30m
Alaska Airlines
Deal found 2/5$727
This CheapOair deal was found by Cheapflights users on 2/4. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/76:20 am
OAK
-
ICN
1 stop19h 10m
Alaska Airlines
Mon 5/257:35 pm
ICN
-
OAK
1 stop32h 31m
Alaska Airlines
Deal found 2/4$732
This Alaska Airlines deal was found by Cheapflights users on 2/4. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/175:31 pm
OAK
-
ICN
1 stop32h 04m
Multiple Airlines
Fri 2/208:35 pm
ICN
-
OAK
1 stop19h 14m
Multiple Airlines
Deal found 2/4$733
This Ovago deal was found by Cheapflights users on 2/4. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/118:10 am
OAK
-
ICN
1 stop17h 25m
Multiple Airlines
Mon 2/238:35 pm
ICN
-
OAK
1 stop19h 17m
Multiple Airlines
Deal found 2/4$739
This lastminute.com deal was found by Cheapflights users on 2/4. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/68:10 am
OAK
-
ICN
1 stop17h 25m
Hawaiian Airlines
Fri 2/208:35 pm
ICN
-
OAK
1 stop19h 14m
Hawaiian Airlines
Deal found 2/4$746
This CheapOair deal was found by Cheapflights users on 2/3. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/226:15 am
OAK
-
ICN
1 stop19h 20m
Multiple Airlines
Sun 3/88:35 pm
ICN
-
OAK
1 stop19h 23m
Multiple Airlines
Deal found 2/3$752
This Cheapflightsfares deal was found by Cheapflights users on 2/3. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/256:15 am
OAK
-
GMP
2 stops22h 50m
Japan Airlines
Sat 3/78:00 am
GMP
-
OAK
2 stops25h 37m
Japan Airlines
Deal found 2/3$1,232

Find 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 February 5, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$617
(CheapOair)

One-way from

$455
(Expedia)

Popular in

June

Cheapest in

February

Average price

$661
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.
Search Deals
From Oakland to South Korea
Search Deals
One-way flight from Oakland to South Korea
Search Deals
Highest demand for flights based on searches. 18% potential increase in price ($177 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($34 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 2026
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 February 5, 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

Thu 5/7

6:20 am-5:30 pm

1 stop19h 10m

Incheon Intl

Wed 5/27

7:35 pm-7:05 pm

1 stop15h 30m

$727

OaklandIncheon

OAK - ICN

OAKICN

Oakland

Thu 5/7

6:20 am-5:30 pm

1 stop19h 10m

Incheon Intl

Mon 5/25

7:35 pm-12:06 pm

1 stop32h 31m

$732

OaklandIncheon

OAK - ICN

OAKICN

Oakland

Tue 2/17

5:31 pm-6:35 pm

1 stop32h 04m

Incheon Intl

Fri 2/20

8:35 pm-10:49 pm

1 stop19h 14m

$733

OaklandIncheon

OAK - ICN

OAKICN

Oakland

Sun 2/22

6:15 am-6:35 pm

1 stop19h 20m

Incheon Intl

Thu 3/5

8:35 pm-11:54 pm

1 stop20h 19m

$777

OaklandIncheon

OAK - ICN

OAKICN

Oakland

Thu 4/23

5:55 am-3:20 pm

1 stop17h 25m

Incheon Intl

Mon 5/4

7:20 pm-11:54 pm

1 stop20h 34m

$877

OaklandIncheon

OAK - ICN

OAKICN

Oakland

Sun 2/22

6:15 am-6:35 pm

1 stop19h 20m

Incheon Intl

Sun 3/15

8:35 pm-9:24 am

2 stops28h 49m

$927

OaklandIncheon

OAK - ICN

OAKICN

Oakland

Mon 4/6

5:55 am-3:20 pm

1 stop17h 25m

Incheon Intl

Wed 4/15

7:20 pm-11:54 pm

1 stop20h 34m

$929

OaklandIncheon

OAK - ICN

OAKICN

Oakland

Sun 2/22

6:15 am-6:35 pm

1 stop19h 20m

Incheon Intl

Sat 2/28

8:35 pm-10:49 pm

1 stop19h 14m

$1,002

OaklandIncheon

OAK - ICN

OAKICN

Oakland

Fri 3/6

5:31 pm-6:35 pm

1 stop32h 04m

Incheon Intl

Fri 3/13

8:35 pm-11:58 pm

1 stop19h 23m

$1,055

OaklandDaegu

OAK - TAE

OAKTAE

Oakland

Sun 4/26

6:20 am-8:35 pm

2 stops22h 15m

Daegu

Thu 4/30

7:35 am-5:45 pm

2 stops26h 10m

$1,538

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/2

Showing 1-10 of 31 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 $446). 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 February 5, 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 $877, Alaska Airlines 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 $446). 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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