HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
South Korea

$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 3/3. Fares are subject to change and may not be available on all flights or dates of travel.
OAK — ICN
Mar 21 — Mar 281
Sat 3/21
Sat 3/28
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Oakland to South Korea with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 February 19, 2026.

This CheapOair deal was found by Cheapflights users on 2/18. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/196:15 am
OAK
-
ICN
1 stop19h 20m
Multiple Airlines
Mon 3/28:35 pm
ICN
-
OAK
1 stop19h 14m
Multiple Airlines
Deal found 2/18$617
This CheapOair deal was found by Cheapflights users on 2/15. 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.
Sun 2/226:15 am
OAK
-
ICN
1 stop19h 20m
Multiple Airlines
Fri 3/138:35 pm
ICN
-
OAK
1 stop19h 23m
Multiple Airlines
Deal found 2/15$627
This CheapOair deal was found by Cheapflights users on 2/18. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/256:20 am
OAK
-
ICN
1 stop19h 10m
Alaska Airlines
Mon 5/47:35 pm
ICN
-
OAK
1 stop18h 57m
Alaska Airlines
Deal found 2/18$677
This CheapOair deal was found by Cheapflights users on 2/18. 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 CheapOair 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
Wed 5/67:35 pm
ICN
-
OAK
1 stop18h 57m
Multiple Airlines
Deal found 2/18$682
This Ovago deal was found by Cheapflights users on 2/17. 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 Ovago 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
Thu 5/77:35 pm
ICN
-
OAK
1 stop18h 57m
Multiple Airlines
Deal found 2/17$694
This CheapOair deal was found by Cheapflights users on 2/18. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/56:15 am
OAK
-
ICN
1 stop19h 20m
Multiple Airlines
Fri 3/208:35 pm
ICN
-
OAK
1 stop19h 08m
Multiple Airlines
Deal found 2/18$727
This Alaska Airlines deal was found by Cheapflights users on 2/15. 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 2/175:31 pm
OAK
-
ICN
1 stop32h 04m
Multiple Airlines
Fri 2/208:35 pm
ICN
-
OAK
1 stop19h 14m
Multiple Airlines
Deal found 2/15$733
This CheapOair deal was found by Cheapflights users on 2/17. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/66:15 am
OAK
-
ICN
1 stop19h 20m
Multiple Airlines
Sun 3/158:35 pm
ICN
-
OAK
1 stop19h 23m
Multiple Airlines
Deal found 2/17$752
This Gurufare deal was found by Cheapflights users on 2/18. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/45:31 pm
OAK
-
ICN
1 stop32h 04m
Multiple Airlines
Fri 3/208:35 pm
ICN
-
OAK
1 stop19h 08m
Multiple Airlines
Deal found 2/18$792
This Gurufare deal was found by Cheapflights users on 2/18. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/207:00 am
OAK
-
ICN
1 stop19h 35m
Multiple Airlines
Mon 5/117:35 pm
ICN
-
OAK
1 stop14h 10m
Multiple Airlines
Deal found 2/18$811
This CheapOair deal was found by Cheapflights users on 2/18. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/137:00 am
OAK
-
ICN
1 stop19h 35m
Multiple Airlines
Wed 5/67:35 pm
ICN
-
OAK
1 stop18h 57m
Multiple Airlines
Deal found 2/18$852
This Korean Air deal was found by Cheapflights users on 2/17. 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.
Sun 4/266:20 am
OAK
-
TAE
2 stops21h 35m
Korean Air
Thu 4/307:55 am
TAE
-
OAK
2 stops25h 50m
Korean Air
Deal found 2/17$1,563

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 February 19, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$617
(CheapOair)

One-way from

$587
(oojo)

Popular in

June

Cheapest in

November

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.
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 ($152 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($29 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 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 February 19, 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

Sun 3/1

6:15 am-6:35 pm

1 stop19h 20m

Incheon Intl

Fri 3/6

8:35 pm-11:54 pm

1 stop20h 19m

$627

OaklandIncheon

OAK - ICN

OAKICN

Oakland

Fri 5/1

6:20 am-5:30 pm

1 stop19h 10m

Incheon Intl

Wed 5/6

7:35 pm-10:32 pm

1 stop18h 57m

$677

OaklandIncheon

OAK - ICN

OAKICN

Oakland

Sat 4/25

6:20 am-5:30 pm

1 stop19h 10m

Incheon Intl

Mon 5/4

7:35 pm-10:32 pm

1 stop18h 57m

$677

OaklandIncheon

OAK - ICN

OAKICN

Oakland

Fri 4/24

6:20 am-5:30 pm

1 stop19h 10m

Incheon Intl

Mon 5/4

7:35 pm-10:32 pm

1 stop18h 57m

$677

OaklandIncheon

OAK - ICN

OAKICN

Oakland

Thu 3/5

6:15 am-6:35 pm

1 stop19h 20m

Incheon Intl

Fri 3/20

8:35 pm-11:43 pm

1 stop19h 08m

$727

OaklandIncheon

OAK - ICN

OAKICN

Oakland

Fri 3/6

6:15 am-6:35 pm

1 stop19h 20m

Incheon Intl

Sun 3/8

8:35 pm-11:58 pm

1 stop19h 23m

$777

OaklandIncheon

OAK - ICN

OAKICN

Oakland

Sun 3/1

6:15 am-6:35 pm

1 stop19h 20m

Incheon Intl

Sun 3/15

8:35 pm-11:58 pm

1 stop19h 23m

$777

OaklandIncheon

OAK - ICN

OAKICN

Oakland

Mon 4/13

7:00 am-6:35 pm

1 stop19h 35m

Incheon Intl

Wed 5/6

7:35 pm-10:32 pm

1 stop18h 57m

$852

OaklandIncheon

OAK - ICN

OAKICN

Oakland

Mon 3/23

5:55 am-4:20 pm

1 stop18h 25m

Incheon Intl

Tue 6/2

4:40 pm-6:49 pm

1 stop18h 09m

$880

OaklandIncheon

OAK - ICN

OAKICN

Oakland

Mon 3/2

4:59 pm-4:30 pm

2 stops30h 31m

Incheon Intl

Wed 4/8

7:00 pm-11:46 pm

2 stops20h 46m

$881

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/16

Showing 1-10 of 37 results
1
2
3
4

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 $497). 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 February 19, 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 $677, Alaska Airlines can have you in South Korea from Oakland, California in 19h 10m. The distance from Oakland, California to South Korea is about 5644 mi.

  • 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, May is the cheapest month in which you can book a flight from Oakland, California to South Korea (average of $497). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Oakland to South Korea

See prices for flight routes from nearby airports that may be better suited for you.
Los Angeles to Haneda flights
Los Angeles to Narita flights
San Francisco to Haneda flights
Los Angeles to Manila flights
San Francisco to Narita flights
Los Angeles to Incheon Intl flights
Los Angeles to Suvarnabhumi flights
San Francisco to Manila flights
Ontario to Narita flights
San Francisco to New Delhi flights
San Francisco to Taiwan Taoyuan Intl flights
San Francisco to Suvarnabhumi flights
Los Angeles to Taiwan Taoyuan Intl flights
Los Angeles to Ho Chi Minh City flights
San Francisco to Hong Kong flights
San Francisco to Incheon Intl flights
Los Angeles to Hongqiao Intl flights
San Francisco to Ho Chi Minh City flights
San Diego to Narita flights
Ontario to Haneda flights
Los Angeles to Pu Dong flights
Ontario to Manila flights
San Francisco to Hongqiao Intl flights
San Francisco to Kansai Intl flights
Los Angeles to Gimpo Intl flights
San Francisco to Mumbai flights
Los Angeles to Kansai Intl flights
Ontario to Suvarnabhumi flights
Los Angeles to Singapore flights
Los Angeles to Hong Kong flights
Ontario to Taiwan Taoyuan Intl flights
San Francisco to Pu Dong flights
Santa Ana to Manila flights
San Diego to Haneda flights
Los Angeles to Don Mueang Intl flights
San Francisco to Capital flights
San Francisco to Gimpo Intl flights
San Francisco to Bangalore flights
Los Angeles to Denpasar flights
San Francisco to Hyderabad flights
Oakland to Narita flights
San Francisco to Sung Shan flights
Burbank to Manila flights
Los Angeles to Sung Shan flights
Los Angeles to New Delhi flights
Las Vegas to Narita flights
Las Vegas to Haneda flights
Santa Ana to Suvarnabhumi flights
Los Angeles to Yerevan flights
San Francisco to Guangzhou flights

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.