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$549+ 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 3/25. Fares are subject to change and may not be available on all flights or dates of travel.
OAK — ICN
Dec 20 — Dec 271
Sat 12/20
Sat 12/27
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 20, 2025.

This Korean Air deal was found by Cheapflights users on 11/19. 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.
Thu 12/186:10 amOAK - ICN
1 stop17h 20mKorean Air
Wed 1/214:10 pmICN - OAK
1 stop17h 13mKorean Air
Deal found 11/19$879
This Delta deal was found by Cheapflights users on 11/17. 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.
Mon 12/14:51 pmOAK - ICN
2 stops30h 04mDelta
Thu 12/44:10 pmICN - OAK
2 stops24h 58mDelta
Deal found 11/17$880
This Delta deal was found by Cheapflights users on 11/19. 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 11/304:51 pmOAK - ICN
1 stop30h 29mDelta
Sun 12/77:40 pmICN - OAK
1 stop21h 28mDelta
Deal found 11/19$881
This Delta deal was found by Cheapflights users on 11/17. 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 11/304:51 pmOAK - ICN
1 stop30h 29mDelta
Thu 12/48:05 pmICN - OAK
2 stops21h 03mDelta
Deal found 11/17$886
This Kiwi.com deal was found by Cheapflights users on 11/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/266:10 amOAK - ICN
1 stop19h 25mMultiple Airlines
Tue 1/209:20 pmICN - OAK
2 stops30h 08mMultiple Airlines
Deal found 11/17$1,002
This Korean Air deal was found by Cheapflights users on 11/19. 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.
Thu 12/186:10 amOAK - ICN
1 stop17h 20mKorean Air
Tue 1/204:10 pmICN - OAK
1 stop17h 13mKorean Air
Deal found 11/19$1,079
This Delta deal was found by Cheapflights users on 11/18. 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 12/2312:34 pmOAK - ICN
2 stops34h 21mDelta
Fri 1/238:05 pmICN - OAK
2 stops20h 48mDelta
Deal found 11/18$1,080
This Delta deal was found by Cheapflights users on 11/20. 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 12/2312:34 pmOAK - ICN
2 stops34h 21mDelta
Fri 1/168:05 pmICN - OAK
2 stops32h 52mDelta
Deal found 11/20$1,092
This Delta deal was found by Cheapflights users on 11/18. 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 12/234:50 pmOAK - ICN
2 stops30h 05mDelta
Sat 1/178:05 pmICN - OAK
2 stops42h 33mDelta
Deal found 11/18$1,093
This Delta deal was found by Cheapflights users on 11/20. 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 12/224:50 pmOAK - ICN
2 stops54h 05mDelta
Thu 1/228:05 pmICN - OAK
2 stops20h 48mDelta
Deal found 11/20$1,095
This Alaska Airlines deal was found by Cheapflights users on 11/17. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/253:01 pmOAK - ICN
1 stop34h 34mAlaska Airlines
Mon 1/198:35 pmICN - OAK
2 stops30h 11mAlaska Airlines
Deal found 11/17$1,101
This oojo deal was found by Cheapflights users on 11/17. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/196:30 amOAK - GMP
2 stops22h 35mJapan Airlines
Fri 11/2812:05 pmGMP - OAK
2 stops18h 41mJapan Airlines
Deal found 11/17$2,597

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 20, 2025.

Most accurate provider

Justfly.com
3 stars

Most trusted provider

Justfly.com
3 stars

Round-trip from

$616
(Alaska Airlines)

One-way from

$549
(Alaska Airlines)

Popular in

December

Cheapest in

February

Average price

$662
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. 7% potential increase in price ($68 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($41 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 20, 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

Sat 1/17

5:55 am-4:20 pm

1 stop17h 25m

Incheon Intl

Tue 1/20

7:40 pm-11:53 pm

1 stop21h 13m

$876

OaklandIncheon

OAK - ICN

OAKICN

Oakland

Mon 12/1

5:55 am-4:20 pm

1 stop17h 25m

Incheon Intl

Thu 12/4

8:05 pm-12:08 am

2 stops21h 03m

$880

OaklandIncheon

OAK - ICN

OAKICN

Oakland

Sun 11/30

4:51 pm-4:20 pm

1 stop30h 29m

Incheon Intl

Sun 12/7

7:40 pm-12:08 am

1 stop21h 28m

$881

OaklandIncheon

OAK - ICN

OAKICN

Oakland

Wed 1/14

12:38 pm-4:20 pm

1 stop34h 42m

Incheon Intl

Tue 1/20

7:40 pm-11:53 pm

1 stop21h 13m

$882

OaklandIncheon

OAK - ICN

OAKICN

Oakland

Sun 11/30

4:51 pm-4:20 pm

1 stop30h 29m

Incheon Intl

Thu 12/4

8:05 pm-12:08 am

2 stops21h 03m

$886

OaklandIncheon

OAK - ICN

OAKICN

Oakland

Fri 1/16

4:54 pm-4:20 pm

1 stop30h 26m

Incheon Intl

Thu 1/22

8:05 pm-11:53 pm

2 stops20h 48m

$886

OaklandIncheon

OAK - ICN

OAKICN

Oakland

Wed 1/14

5:55 am-4:30 pm

2 stops41h 35m

Incheon Intl

Thu 1/22

8:05 pm-11:53 pm

2 stops20h 48m

$892

OaklandIncheon

OAK - ICN

OAKICN

Oakland

Mon 1/12

12:38 pm-4:30 pm

2 stops34h 52m

Incheon Intl

Fri 1/23

8:05 pm-11:53 pm

2 stops20h 48m

$892

OaklandIncheon

OAK - ICN

OAKICN

Oakland

Sun 1/11

12:38 pm-4:30 pm

2 stops34h 52m

Incheon Intl

Sun 1/18

7:40 pm-9:38 pm

1 stop18h 58m

$892

OaklandBusan

OAK - PUS

OAKPUS

Oakland

Sat 3/7

5:55 am-8:45 pm

2 stops21h 50m

Busan Gimhae

Tue 3/10

7:55 am-11:53 pm

2 stops31h 58m

$1,186

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/18

Showing 1-10 of 43 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 $672). 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 20, 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 Alaska Airlines. According to our data, you can fly for as low as $551. Users have also found prices from $906 and $916 on Japan Airlines and EVA Air, 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 $414). Flying from Oakland, California to South Korea in June is currently the most expensive (average of $672). 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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