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$587+ 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 3/8. Fares are subject to change and may not be available on all flights or dates of travel.
OAK — ICN
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
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 December 18, 2025.

This Delta deal was found by Cheapflights users on 12/16. 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.
Tue 12/165:55 amOAK - ICN
2 stops42h 40mDelta
Sat 12/278:05 pmICN - OAK
2 stops18h 40mDelta
Deal found 12/16$1,592
This Delta deal was found by Cheapflights users on 12/16. 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.
Sat 12/205:53 amOAK - ICN
2 stops42h 42mDelta
Sat 12/278:05 pmICN - OAK
2 stops18h 40mDelta
Deal found 12/16$1,642
This Delta deal was found by Cheapflights users on 12/16. 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 12/175:55 amOAK - ICN
2 stops42h 40mDelta
Fri 12/268:05 pmICN - OAK
2 stops20h 53mDelta
Deal found 12/16$1,672
This Delta deal was found by Cheapflights users on 12/16. 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.
Tue 12/165:55 amOAK - ICN
2 stops42h 40mDelta
Mon 12/294:10 pmICN - OAK
2 stops24h 48mDelta
Deal found 12/16$1,692
This Delta deal was found by Cheapflights users on 12/16. 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.
Tue 12/165:55 amOAK - ICN
2 stops42h 40mDelta
Sun 12/288:05 pmICN - OAK
2 stops44h 53mDelta
Deal found 12/16$1,707
This Delta deal was found by Cheapflights users on 12/16. 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.
Sat 12/205:53 amOAK - ICN
2 stops42h 42mDelta
Mon 12/294:10 pmICN - OAK
2 stops24h 48mDelta
Deal found 12/16$1,742
This Delta deal was found by Cheapflights users on 12/16. 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.
Sat 12/205:53 amOAK - ICN
2 stops42h 42mDelta
Sun 12/288:05 pmICN - OAK
2 stops44h 53mDelta
Deal found 12/16$1,757
This Delta deal was found by Cheapflights users on 12/17. 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.
Tue 12/304:50 pmOAK - ICN
2 stops30h 40mDelta
Wed 1/78:05 pmICN - OAK
2 stops19h 48mDelta
Deal found 12/17$1,769
This Delta deal was found by Cheapflights users on 12/16. 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 12/175:55 amOAK - ICN
2 stops42h 40mDelta
Mon 12/294:10 pmICN - OAK
2 stops24h 48mDelta
Deal found 12/16$1,772
This Delta deal was found by Cheapflights users on 12/16. 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 12/175:55 amOAK - ICN
2 stops42h 40mDelta
Sun 12/288:05 pmICN - OAK
2 stops44h 53mDelta
Deal found 12/16$1,787
This Delta deal was found by Cheapflights users on 12/17. 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.
Sun 12/284:50 pmOAK - ICN
2 stops30h 05mDelta
Wed 1/78:05 pmICN - OAK
2 stops19h 48mDelta
Deal found 12/17$1,855
This Delta deal was found by Cheapflights users on 12/17. 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 12/2512:34 pmOAK - ICN
2 stops34h 56mDelta
Wed 1/78:05 pmICN - OAK
2 stops19h 48mDelta
Deal found 12/17$1,870

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 December 18, 2025.

Most accurate provider

Justfly.com
3 stars

Most trusted provider

Justfly.com
3 stars

Round-trip from

$616
(Alaska Airlines)

One-way from

$587
(oojo)

Popular in

December

Cheapest in

February

Average price

$1,279
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. 9% potential increase in price ($83 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% 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 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 December 18, 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

Thu 1/15

8:10 am-6:35 pm

1 stop17h 25m

Incheon Intl

Mon 1/26

8:35 pm-8:40 pm

1 stop17h 05m

$616

OaklandIncheon

OAK - ICN

OAKICN

Oakland

Thu 1/15

8:10 am-6:35 pm

1 stop17h 25m

Incheon Intl

Fri 1/30

8:35 pm-8:40 pm

1 stop17h 05m

$616

OaklandIncheon

OAK - ICN

OAKICN

Oakland

Tue 1/13

11:43 am-6:35 pm

1 stop37h 52m

Incheon Intl

Sun 2/1

8:35 pm-11:03 am

1 stop31h 28m

$616

OaklandIncheon

OAK - ICN

OAKICN

Oakland

Sun 1/25

8:10 am-6:35 pm

1 stop17h 25m

Incheon Intl

Thu 1/29

8:35 pm-8:40 pm

1 stop17h 05m

$616

OaklandIncheon

OAK - ICN

OAKICN

Oakland

Wed 2/4

8:10 am-6:35 pm

1 stop17h 25m

Incheon Intl

Sat 3/7

8:35 pm-11:54 pm

1 stop20h 19m

$616

OaklandIncheon

OAK - ICN

OAKICN

Oakland

Sun 2/1

8:10 am-6:35 pm

1 stop17h 25m

Incheon Intl

Fri 3/6

8:35 pm-11:54 pm

1 stop20h 19m

$616

OaklandIncheon

OAK - ICN

OAKICN

Oakland

Sun 3/8

6:15 am-6:35 pm

1 stop20h 20m

Incheon Intl

Sun 3/15

8:35 pm-11:58 pm

1 stop19h 23m

$776

OaklandIncheon

OAK - ICN

OAKICN

Oakland

Sun 3/29

5:55 am-3:20 pm

1 stop17h 25m

Incheon Intl

Wed 4/8

7:20 pm-11:46 pm

1 stop20h 26m

$876

OaklandIncheon

OAK - ICN

OAKICN

Oakland

Wed 1/14

10:30 am-6:35 pm

2 stops39h 05m

Incheon Intl

Fri 1/30

8:35 pm-8:40 pm

1 stop17h 05m

$905

OaklandIncheon

OAK - ICN

OAKICN

Oakland

Tue 1/13

11:43 am-6:35 pm

1 stop37h 52m

Incheon Intl

Sat 1/31

8:35 pm-9:46 am

2 stops30h 11m

$906

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Showing 1-10 of 38 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 $664). 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 December 18, 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.

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

    For one-way options, check prices for Spirit Airlines. According to our data, you can fly for as low as $81. Users have also found prices from $138 and $140 on Delta and Southwest, 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 - 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 $664). 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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