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$471+ Cheap flights from Oakland, CA (OAK) to Seoul (SEL)

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 9/29. Fares are subject to change and may not be available on all flights or dates of travel.
OAK — SEL
Oct 19 — Oct 261
Sun 10/19
Sun 10/26
1 adult, Economy
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Cheap flight deals from Oakland to Seoul

Discover tips and strategies to find the most affordable flight options for your journey from Oakland (OAK) to Seoul (SEL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 19, 2025.

Round-trip from

$676
(Alaska Airlines)

One-way from

$471
(Alaska Airlines)

Popular in

December

Cheapest in

February

Average price

$741
From Oakland to Seoul (SEL)
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One-way flight from Oakland to Seoul (SEL)
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Highest demand for flights based on searches. 14% potential increase in price ($143 potential increase over avg. RT price).
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Cheapest flight prices on average. 6% potential price decrease ($55 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Oakland to Seoul

Cheapest flights from Oakland to Seoul
Explore the most affordable flight options available from Oakland to Seoul. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 19, 2025.

This Alaska Airlines deal was found by Cheapflights users on 9/19. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/197:22 amOAK - ICN
1 stop19h 38mAlaska Airlines
Fri 9/268:35 pmICN - OAK
1 stop17h 28mAlaska Airlines
Deal found 9/19$676
This Hawaiian Airlines deal was found by Cheapflights users on 9/18. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/197:30 amOAK - ICN
1 stop19h 30mHawaiian Airlines
Sat 11/88:35 pmICN - OAK
1 stop20h 24mHawaiian Airlines
Deal found 9/18$826
This Alaska Airlines deal was found by Cheapflights users on 9/18. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/56:40 amOAK - ICN
1 stop19h 55mAlaska Airlines
Sun 10/198:35 pmICN - OAK
1 stop19h 28mAlaska Airlines
Deal found 9/18$851
This Delta deal was found by Cheapflights users on 9/17. 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 9/216:00 amOAK - ICN
1 stop17h 20mDelta
Tue 10/77:40 pmICN - OAK
1 stop20h 13mDelta
Deal found 9/17$876
This Korean Air deal was found by Cheapflights users on 9/18. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/26:00 amOAK - ICN
1 stop17h 20mMultiple Airlines
Sat 10/47:40 pmICN - OAK
1 stop19h 08mMultiple Airlines
Deal found 9/18$878
This Korean Air deal was found by Cheapflights users on 9/18. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/186:30 amOAK - ICN
1 stop16h 25mKorean Air
Wed 12/34:10 pmICN - OAK
1 stop14h 27mKorean Air
Deal found 9/18$880
This Delta deal was found by Cheapflights users on 9/17. 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 9/215:05 pmOAK - ICN
2 stops31h 25mDelta
Mon 10/67:20 pmICN - OAK
2 stops20h 33mDelta
Deal found 9/17$881
This Delta deal was found by Cheapflights users on 9/17. 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 9/216:00 amOAK - ICN
1 stop17h 20mDelta
Fri 10/37:40 pmICN - OAK
1 stop36h 44mDelta
Deal found 9/17$882
This Korean Air deal was found by Cheapflights users on 9/17. 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 Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/196:30 amOAK - ICN
1 stop16h 25mKorean Air
Tue 12/28:05 pmICN - OAK
1 stop34h 32mKorean Air
Deal found 9/17$886
This Delta deal was found by Cheapflights users on 9/18. 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 11/1812:28 pmOAK - ICN
2 stops35h 02mDelta
Tue 12/27:40 pmICN - OAK
1 stop21h 28mDelta
Deal found 9/18$893
This Delta deal was found by Cheapflights users on 9/17. 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 9/255:05 pmOAK - ICN
2 stops31h 25mDelta
Fri 10/37:40 pmICN - OAK
1 stop32h 16mDelta
Deal found 9/17$899
This oojo deal was found by Cheapflights users on 9/18. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/106:40 amOAK - GMP
2 stops22h 25mJapan Airlines
Wed 12/247:40 pmGMP - OAK
2 stops35h 27mJapan Airlines
Deal found 9/18$1,674

Cheapflights Fare Finder

 
Customize your flight search to find flights from Oakland to Seoul 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 September 19, 2025.
Use the filters below to find and compare flights from Oakland to Seoul that are best for you.

Fly from

Oakland

Fly to

Seoul

Route

Depart

Return

Price

OaklandIncheon

OAK - ICN

OAKICN

Oakland

Sun 10/5

6:40 am-6:35 pm

1 stop19h 55m

Incheon Intl

Sun 10/19

8:35 pm-12:03 am

1 stop19h 28m

$851

OaklandIncheon

OAK - ICN

OAKICN

Oakland

Sun 10/19

5:55 am-3:20 pm

1 stop17h 25m

Incheon Intl

Sat 11/8

8:05 pm-9:32 pm

2 stops18h 27m

$881

OaklandIncheon

OAK - ICN

OAKICN

Oakland

Sat 11/22

4:51 pm-4:30 pm

2 stops30h 39m

Incheon Intl

Fri 11/28

7:40 pm-10:53 pm

1 stop20h 13m

$1,081

OaklandIncheon

OAK - ICN

OAKICN

Oakland

Sun 11/2

12:30 pm-3:55 pm

2 stops34h 25m

Incheon Intl

Sun 11/9

8:05 pm-12:03 am

2 stops20h 58m

$1,091

OaklandIncheon

OAK - ICN

OAKICN

Oakland

Tue 11/25

5:45 am-4:30 pm

2 stops41h 45m

Incheon Intl

Mon 12/1

4:10 pm-12:03 am

2 stops24h 53m

$1,093

OaklandIncheon

OAK - ICN

OAKICN

Oakland

Sun 11/23

5:45 am-4:30 pm

2 stops41h 45m

Incheon Intl

Fri 11/28

7:40 pm-10:53 pm

1 stop20h 13m

$1,093

OaklandIncheon

OAK - ICN

OAKICN

Oakland

Mon 3/9

5:55 am-4:15 pm

1 stop18h 20m

Incheon Intl

Thu 3/12

8:05 pm-11:53 pm

2 stops19h 48m

$1,101

OaklandIncheon

OAK - ICN

OAKICN

Oakland

Fri 2/27

6:45 pm-5:20 am

2 stops17h 35m

Incheon Intl

Sat 3/7

9:00 pm-5:43 pm

1 stop13h 43m

$1,126

OaklandIncheon

OAK - ICN

OAKICN

Oakland

Mon 11/3

8:03 pm-5:20 am

1 stop16h 17m

Incheon Intl

Mon 11/17

9:00 pm-7:23 pm

2 stops15h 23m

$1,155

OaklandSeoul

OAK - GMP

OAKGMP

Oakland

Wed 12/10

6:40 am-10:05 pm

2 stops22h 25m

Seoul Gimpo Intl

Wed 12/24

7:40 pm-2:07 pm

2 stops35h 27m

$1,674

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/17

Showing 1-10 of 42 results
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Best time to book a flight from Oakland to Seoul

Have a flexible travel schedule? Discover the best time to fly to Seoul 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 Seoul

What is the cheapest month to book a flight from Oakland, California to Seoul?

Currently, February is the cheapest month in which you can book a flight from Oakland, California to Seoul (average of $989). Flying from Oakland, California to Seoul in December is currently the most expensive (average of $1,621). 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 SEL?

Find hourly flight availability from Oakland to Seoul. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 19, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Oakland, California to Seoul as you normally would.

Related info for your journey

Find useful and relevant information for your journey from Oakland to Seoul. 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 Seoul?

    Most people fly from Oakland (OAK) if they book a flight from Oakland to Seoul. On average, Oakland has 0 outbound flights to Seoul per day from 0 airlines. Oakland is conveniently located just 7.0 mi from Oakland’s city center.

  • How long is the flight from Oakland, California to Seoul?

    Departing from Oakland, California to Seoul will take you 17h 25m. The distance from Oakland, California to Seoul 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 Seoul one-way?

    To fly one-way, consider booking your trip with Delta, which is currently one of the cheapest options available, starting at $471. Alaska Airlines flights start at $471 while deals on EVA Air start at $659 one-way.

  • Can I find deals for flights from Oakland to Seoul that include hotel bookings?

    Yes. In addition to deals on Oakland to Seoul flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Oakland to Seoul?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Oakland to Seoul.

  • Can I find deals for business class flights from Oakland to Seoul?

    Yes. Cheapflights offers flight deals from Oakland to Seoul 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 Seoul?

    Currently, February is the cheapest month in which you can book a flight from Oakland, California to Seoul (average of $989). Flying from Oakland, California to Seoul in December is currently the most expensive (average of $1,621). 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.

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