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$555+ 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 2/4. Fares are subject to change and may not be available on all flights or dates of travel.
OAK — ICN
Feb 1 — Feb 81
Sun 2/1
Sun 2/8
1 adult, Economy
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Cheap flight deals from Oakland to South Korea

Best flights from Oakland to South Korea
Discover carefully curated flight deals from Oakland to South Korea that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated January 2, 2026.

This Alaska Airlines deal was found by Cheapflights users on 12/31. 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 1/318:10 amOAK - ICN
1 stop17h 25mMultiple Airlines
Fri 2/68:35 pmICN - OAK
1 stop30h 53mMultiple Airlines
Deal found 12/31$616
This Korean Air deal was found by Cheapflights users on 1/1. 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 2/256:15 amOAK - ICN
1 stop16h 40mKorean Air
Wed 3/114:10 pmICN - OAK
1 stop16h 27mKorean Air
Deal found 1/1$1,081
This Delta deal was found by Cheapflights users on 1/1. 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 2/2512:40 pmOAK - ICN
1 stop34h 40mDelta
Wed 3/118:05 pmICN - OAK
2 stops19h 41mDelta
Deal found 1/1$1,087
This SmartFares deal was found by Cheapflights users on 12/31. 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.
Sun 3/156:15 amOAK - ICN
1 stop20h 20mMultiple Airlines
Thu 3/198:35 pmICN - OAK
1 stop19h 08mMultiple Airlines
Deal found 12/31$652
This SmartFares deal was found by Cheapflights users on 12/31. 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 1/218:10 amOAK - ICN
1 stop17h 25mMultiple Airlines
Fri 2/138:35 pmICN - OAK
1 stop30h 28mMultiple Airlines
Deal found 12/31$833
This Korean Air deal was found by Cheapflights users on 12/31. 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 1/1412:38 pmOAK - ICN
1 stop34h 42mMultiple Airlines
Sat 1/174:10 pmICN - OAK
1 stop17h 18mMultiple Airlines
Deal found 12/31$885
This oojo deal was found by Cheapflights users on 1/1. 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.
Fri 1/308:10 amOAK - GMP
2 stops33h 45mJapan Airlines
Mon 2/238:00 amGMP - OAK
2 stops25h 37mJapan Airlines
Deal found 1/1$2,153
This Alaska Airlines deal was found by Cheapflights users on 1/1. 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 2/146:15 amOAK - ICN
1 stop19h 20mMultiple Airlines
Sat 2/218:35 pmICN - OAK
2 stops29h 49mMultiple Airlines
Deal found 1/1$1,002
This Alaska Airlines deal was found by Cheapflights users on 1/2. 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 4/48:10 pmOAK - ICN
2 stops30h 25mMultiple Airlines
Mon 4/138:35 pmICN - OAK
2 stops28h 28mMultiple Airlines
Deal found 1/2$1,009
This Korean Air deal was found by Cheapflights users on 12/30. 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.
Sun 4/267:00 amOAK - TAE
2 stops21h 35mKorean Air
Thu 4/307:35 amTAE - OAK
2 stops26h 10mKorean Air
Deal found 12/30$1,538
This Alaska Airlines deal was found by Cheapflights users on 1/2. 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.
Mon 4/69:43 amOAK - ICN
2 stops16h 52mMultiple Airlines
Mon 4/138:35 pmICN - OAK
2 stops28h 28mMultiple Airlines
Deal found 1/2$1,009
This Kiwi.com deal was found by Cheapflights users on 1/1. 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.
Wed 2/255:31 pmOAK - ICN
1 stop32h 04mMultiple Airlines
Wed 3/119:40 pmICN - OAK
3 stops34h 57mMultiple Airlines
Deal found 1/1$1,031
This Alaska Airlines deal was found by Cheapflights users on 1/2. 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 4/38:10 pmOAK - ICN
2 stops30h 25mMultiple Airlines
Mon 4/138:35 pmICN - OAK
2 stops28h 28mMultiple Airlines
Deal found 1/2$1,065
This Japan Airlines deal was found by Cheapflights users on 1/1. 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 Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/146:15 amOAK - GMP
2 stops35h 40mJapan Airlines
Sat 2/2112:05 pmGMP - OAK
2 stops21h 32mJapan Airlines
Deal found 1/1$2,636
This Japan Airlines deal was found by Cheapflights users on 12/31. 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 Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/229:53 amOAK - GMP
2 stops19h 57mJapan Airlines
Sun 5/37:55 amGMP - OAK
2 stops25h 50mJapan Airlines
Deal found 12/31$5,160

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 January 2, 2026.

Most accurate provider

Justfly.com
3 stars

Most trusted provider

Justfly.com
3 stars

Round-trip from

$616
(Alaska Airlines)

One-way from

$555
(TravelUp)

Popular in

December

Cheapest in

February

Average price

$749
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. 9% potential increase in price ($81 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($45 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 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 January 2, 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

Fri 2/6

8:35 pm-10:28 am

1 stop30h 53m

$616

OaklandIncheon

OAK - ICN

OAKICN

Oakland

Sun 3/15

6:15 am-6:35 pm

1 stop20h 20m

Incheon Intl

Thu 3/19

8:35 pm-11:43 pm

1 stop19h 08m

$652

OaklandIncheon

OAK - ICN

OAKICN

Oakland

Wed 1/21

8:10 am-6:35 pm

1 stop17h 25m

Incheon Intl

Fri 2/13

8:35 pm-10:03 am

1 stop30h 28m

$833

OaklandIncheon

OAK - ICN

OAKICN

Oakland

Wed 1/14

12:38 pm-4:20 pm

1 stop34h 42m

Incheon Intl

Sat 1/17

4:10 pm-4:28 pm

1 stop17h 18m

$885

OaklandIncheon

OAK - ICN

OAKICN

Oakland

Sat 2/14

6:15 am-6:35 pm

1 stop19h 20m

Incheon Intl

Sat 2/21

8:35 pm-9:24 am

2 stops29h 49m

$1,002

OaklandIncheon

OAK - ICN

OAKICN

Oakland

Sat 4/4

8:10 pm-6:35 pm

2 stops30h 25m

Incheon Intl

Mon 4/13

8:35 pm-9:03 am

2 stops28h 28m

$1,009

OaklandIncheon

OAK - ICN

OAKICN

Oakland

Mon 4/6

9:43 am-6:35 pm

2 stops16h 52m

Incheon Intl

Mon 4/13

8:35 pm-9:03 am

2 stops28h 28m

$1,009

OaklandIncheon

OAK - ICN

OAKICN

Oakland

Wed 2/25

5:31 pm-6:35 pm

1 stop32h 04m

Incheon Intl

Wed 3/11

9:40 pm-4:37 pm

3 stops34h 57m

$1,031

OaklandIncheon

OAK - ICN

OAKICN

Oakland

Fri 4/3

8:10 pm-6:35 pm

2 stops30h 25m

Incheon Intl

Mon 4/13

8:35 pm-9:03 am

2 stops28h 28m

$1,065

OaklandIncheon

OAK - ICN

OAKICN

Oakland

Wed 2/25

6:15 am-3:55 pm

1 stop16h 40m

Incheon Intl

Wed 3/11

4:10 pm-4:37 pm

1 stop16h 27m

$1,081

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/1

Showing 1-10 of 35 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 $686). 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 2, 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 $1,538, Korean Air can have you in South Korea from Oakland, California in 21h 35m. The distance from Oakland, California to South Korea is about 5624 mi.

  • 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 $134 and $138 on Southwest and Delta, 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 $446). Flying from Oakland, California to South Korea in June is currently the most expensive (average of $686). 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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