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$551+ 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 5/19. Fares are subject to change and may not be available on all flights or dates of travel.
OAK — ICN
Apr 25 — May 21
Sat 4/25
Sat 5/2
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 March 26, 2026.

This Cheapflightsfares deal was found by Cheapflights users on 3/25. 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 4/157:00 am
OAK
-
ICN
1 stop19h 35m
Multiple Airlines
Thu 4/237:35 pm
ICN
-
OAK
1 stop18h 57m
Multiple Airlines
Deal found 3/25$675
This Alaska Airlines deal was found by Cheapflights users on 3/23. 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 10/297:00 am
OAK
-
ICN
1 stop18h 35m
Alaska Airlines
Thu 11/128:00 pm
ICN
-
OAK
1 stop20h 59m
Alaska Airlines
Deal found 3/23$676
This Cheapflightsfares deal was found by Cheapflights users on 3/24. 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.
Tue 4/146:40 pm
OAK
-
ICN
1 stop31h 55m
Multiple Airlines
Wed 4/227:35 pm
ICN
-
OAK
1 stop18h 57m
Multiple Airlines
Deal found 3/24$681
This Alaska Airlines deal was found by Cheapflights users on 3/23. 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 11/312:49 pm
OAK
-
ICN
1 stop35h 46m
Alaska Airlines
Sat 11/148:00 pm
ICN
-
OAK
1 stop15h 33m
Alaska Airlines
Deal found 3/23$682
This CheapOair deal was found by Cheapflights users on 3/25. 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 4/296:20 am
OAK
-
ICN
1 stop19h 10m
Alaska Airlines
Thu 5/77:35 pm
ICN
-
OAK
1 stop18h 57m
Alaska Airlines
Deal found 3/25$776
This FlightHub deal was found by Cheapflights users on 3/25. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/146:40 pm
OAK
-
ICN
1 stop31h 55m
Multiple Airlines
Thu 5/77:35 pm
ICN
-
OAK
1 stop18h 57m
Multiple Airlines
Deal found 3/25$782
This BusinessClass deal was found by Cheapflights users on 3/22. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/66:20 am
OAK
-
ICN
1 stop18h 20m
Multiple Airlines
Wed 5/137:00 pm
ICN
-
OAK
1 stop20h 59m
Multiple Airlines
Deal found 3/22$865
This Cheapflightsfares deal was found by Cheapflights users on 3/25. 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.
Thu 4/167:00 am
OAK
-
ICN
1 stop19h 35m
Multiple Airlines
Wed 4/297:35 pm
ICN
-
OAK
1 stop18h 57m
Multiple Airlines
Deal found 3/25$875
This CheapOair deal was found by Cheapflights users on 3/25. 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 4/67:00 am
OAK
-
ICN
1 stop19h 35m
Multiple Airlines
Mon 5/117:35 pm
ICN
-
OAK
1 stop18h 57m
Multiple Airlines
Deal found 3/25$876
This Alaska Airlines deal was found by Cheapflights users on 3/23. 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 5/12:09 pm
OAK
-
ICN
1 stop35h 21m
Alaska Airlines
Wed 5/207:35 pm
ICN
-
OAK
1 stop20h 24m
Alaska Airlines
Deal found 3/23$883
This Gurufare deal was found by Cheapflights users on 3/24. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/156:40 pm
OAK
-
ICN
1 stop31h 55m
Multiple Airlines
Fri 4/247:35 pm
ICN
-
OAK
1 stop18h 57m
Multiple Airlines
Deal found 3/24$887
This BusinessClass deal was found by Cheapflights users on 3/24. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/86:20 am
OAK
-
ICN
1 stop18h 20m
Multiple Airlines
Fri 5/157:00 pm
ICN
-
OAK
1 stop20h 59m
Multiple Airlines
Deal found 3/24$965

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 March 26, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$675
(Cheapflightsfares)

One-way from

$551
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$755
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. 16% potential increase in price ($162 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 March 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 March 26, 2026.
Use the filters below to find and compare flights from Oakland to South Korea that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

OaklandIncheon

OAK - ICN

OAKICN

Oakland

Mon 8/31

7:00 am-5:30 pm

1 stop18h 30m

Incheon Intl

Sat 9/5

7:35 pm-7:19 pm

2 stops15h 44m

$1,244

OaklandIncheon

OAK - ICN

OAKICN

Oakland

Wed 9/2

7:00 am-5:30 pm

1 stop18h 30m

Incheon Intl

Sat 9/5

7:35 pm-7:19 pm

2 stops15h 44m

$1,244

OaklandIncheon

OAK - ICN

OAKICN

Oakland

Sat 4/11

5:55 pm-4:50 pm

2 stops30h 55m

Incheon Intl

Tue 4/21

7:00 pm-11:54 pm

2 stops20h 54m

$1,309

OaklandIncheon

OAK - ICN

OAKICN

Oakland

Sat 4/11

5:55 pm-4:50 pm

2 stops30h 55m

Incheon Intl

Wed 4/22

7:20 pm-11:54 pm

1 stop20h 34m

$1,309

OaklandIncheon

OAK - ICN

OAKICN

Oakland

Sat 4/11

5:55 pm-4:50 pm

2 stops30h 55m

Incheon Intl

Mon 4/20

7:00 pm-11:54 pm

2 stops44h 54m

$1,328

OaklandIncheon

OAK - ICN

OAKICN

Oakland

Sun 4/12

12:35 pm-4:50 pm

2 stops36h 15m

Incheon Intl

Mon 4/20

7:00 pm-11:54 pm

2 stops44h 54m

$1,340

OaklandIncheon

OAK - ICN

OAKICN

Oakland

Wed 5/13

7:00 am-5:30 pm

1 stop18h 30m

Incheon Intl

Fri 5/22

7:35 pm-12:07 pm

1 stop32h 32m

$1,361

OaklandIncheon

OAK - ICN

OAKICN

Oakland

Sat 6/27

5:45 pm-4:40 pm

2 stops30h 55m

Incheon Intl

Fri 8/21

4:40 pm-11:49 pm

2 stops23h 09m

$1,381

OaklandIncheon

OAK - ICN

OAKICN

Oakland

Fri 6/26

6:00 am-3:20 pm

1 stop17h 20m

Incheon Intl

Fri 7/3

4:40 pm-11:54 pm

2 stops23h 14m

$1,381

OaklandIncheon

OAK - ICN

OAKICN

Oakland

Sat 6/27

6:00 am-3:20 pm

1 stop17h 20m

Incheon Intl

Mon 8/17

4:40 pm-11:49 pm

2 stops23h 09m

$1,381

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/21

Showing 1-10 of 40 resultsSorted by cheapest first
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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, May is the cheapest month in which you can book a flight from Oakland, California to South Korea (average of $468). 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 March 26, 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 $976, 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 - Daegu or Oakland - Seoul Gimpo Intl 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, May is the cheapest month in which you can book a flight from Oakland, California to South Korea (average of $468). 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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