South Korea

$567+ 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 7/25. Fares are subject to change and may not be available on all flights or dates of travel.
OAK — ICN
Jun 17 — Jun 241
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

Keep the following information in mind while searching for Oakland to South Korea flight deals. Data was last updated June 12, 2025.

Round-trip from

$840
(oojo)

One-way from

$567
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$1,196
From Oakland to South Korea
One-way flight from Oakland to South Korea
Highest demand for flights based on searches. 13% potential increase in price ($138 potential increase over avg. RT price).
Cheapest flight prices on average. 6% potential price decrease ($54 potential savings vs. average RT price).
Average for round-trip flights in June 2025

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 June 12, 2025.

This oojo deal was found by Cheapflights users on 6/11. 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.
Sat 10/46:40 amOAK - ICN
1 stop18h 00mKorean Air
Wed 10/154:40 pmICN - OAK
1 stop23h 19mKorean Air
Deal found 6/11$840
This Delta deal was found by Cheapflights users on 6/10. 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 8/246:00 amOAK - ICN
1 stop17h 20mDelta
Sat 8/307:40 pmICN - OAK
1 stop19h 06mDelta
Deal found 6/10$877
This Korean Air deal was found by Cheapflights users on 6/11. 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 6/156:00 amOAK - ICN
1 stop17h 20mMultiple Airlines
Wed 6/257:40 pmICN - OAK
1 stop20h 17mMultiple Airlines
Deal found 6/11$1,213
This Alaska Airlines deal was found by Cheapflights users on 6/10. 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 8/247:22 amOAK - ICN
1 stop19h 38mAlaska Airlines
Sat 8/309:25 pmICN - OAK
2 stops28h 56mAlaska Airlines
Deal found 6/10$1,341
This lastminute.com deal was found by Cheapflights users on 6/12. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/68:50 amOAK - ICN
1 stop18h 10mHawaiian Airlines
Mon 7/219:25 pmICN - OAK
1 stop37h 55mHawaiian Airlines
Deal found 6/12$1,529
This oojo deal was found by Cheapflights users on 6/10. 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.
Tue 9/166:15 amOAK - PUS
2 stops21h 20mKorean Air
Fri 9/268:45 amPUS - OAK
2 stops25h 38mKorean Air
Deal found 6/10$1,556
This Travelocity deal was found by Cheapflights users on 6/11. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/47:00 amOAK - GMP
2 stops36h 20mMultiple Airlines
Sun 8/107:50 pmGMP - OAK
2 stops38h 43mMultiple Airlines
Deal found 6/11$1,790
This oojo deal was found by Cheapflights users on 6/11. 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.
Thu 7/177:58 pmOAK - PUS
2 stops31h 02mChina Airlines
Mon 7/2112:15 pmPUS - OAK
2 stops27h 44mChina Airlines
Deal found 6/11$2,151
This oojo deal was found by Cheapflights users on 6/12. 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 8/279:39 amOAK - GMP
2 stops20h 11mJapan Airlines
Tue 9/307:55 amGMP - OAK
2 stops26h 28mJapan Airlines
Deal found 6/12$2,509
This oojo deal was found by Cheapflights users on 6/11. 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.
Sun 6/159:28 amOAK - PUS
2 stops20h 42mJapan Airlines
Tue 6/174:30 pmPUS - OAK
2 stops42h 03mJapan Airlines
Deal found 6/11$5,984

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 June 12, 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 10/4

6:40 am-4:40 pm

1 stop18h 00m

Incheon Intl

Wed 10/15

4:40 pm-11:59 pm

1 stop23h 19m

$840

OaklandIncheon

OAK - ICN

OAKICN

Oakland

Sun 8/24

6:00 am-3:20 pm

1 stop17h 20m

Incheon Intl

Sat 8/30

7:40 pm-10:46 pm

1 stop19h 06m

$877

OaklandIncheon

OAK - ICN

OAKICN

Oakland

Sun 8/24

7:22 am-7:00 pm

1 stop19h 38m

Incheon Intl

Sat 8/30

9:25 pm-10:21 am

2 stops28h 56m

$1,341

OaklandIncheon

OAK - ICN

OAKICN

Oakland

Sat 7/26

6:00 am-3:20 pm

1 stop17h 20m

Incheon Intl

Mon 8/11

7:40 pm-11:50 pm

1 stop20h 10m

$1,353

OaklandIncheon

OAK - ICN

OAKICN

Oakland

Sun 7/6

8:50 am-7:00 pm

1 stop18h 10m

Incheon Intl

Mon 7/21

9:25 pm-7:20 pm

1 stop37h 55m

$1,529

OaklandBusan

OAK - PUS

OAKPUS

Oakland

Tue 9/16

6:15 am-7:35 pm

2 stops21h 20m

Busan Gimhae

Fri 9/26

8:45 am-6:23 pm

2 stops25h 38m

$1,556

OaklandSeoul

OAK - GMP

OAKGMP

Oakland

Mon 8/4

7:00 am-11:20 am

2 stops36h 20m

Seoul Gimpo Intl

Sun 8/10

7:50 pm-6:33 pm

2 stops38h 43m

$1,790

OaklandIncheon

OAK - ICN

OAKICN

Oakland

Wed 7/9

9:28 am-5:05 pm

2 stops39h 37m

Incheon Intl

Sat 7/19

1:20 am-11:59 pm

2 stops38h 39m

$2,101

OaklandBusan

OAK - PUS

OAKPUS

Oakland

Thu 7/17

7:58 pm-7:00 pm

2 stops31h 02m

Busan Gimhae

Mon 7/21

12:15 pm-11:59 pm

2 stops27h 44m

$2,151

OaklandSeoul

OAK - GMP

OAKGMP

Oakland

Wed 8/27

9:39 am-9:50 pm

2 stops20h 11m

Seoul Gimpo Intl

Tue 9/30

7:55 am-6:23 pm

2 stops26h 28m

$2,509

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 23 results
1
2
3

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, February is the cheapest month in which you can book a flight from Oakland, California to South Korea (average of $1,000). Flying from Oakland, California to South Korea in December is currently the most expensive (average of $1,635). 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 June 12, 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 South Korea as you normally would.

Rainfall in South Korea by month

Plan your trip to South Korea by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in South Korea ranges from 0.8 - 10.2 inches per month. July is typically the wettest month, when rainfall can reach 10.2 in. January is typically the driest time to visit South Korea when rainfall is around 0.8 in.

Temperature in South Korea by month

Plan your trip to South Korea by taking into account the average temperature totals by month.

If weather is an important factor for your trip to South Korea, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 77.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 28.4 F).

Reviews of airlines servicing South Korea

Get insights into the airlines that provide service to South Korea. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to South Korea. Reviews last updated June 12, 2025.
Get a feel of what it's like to fly with EVA Air, Korean Air and Japan Airlines from Oakland to South Korea by reading reviews from past customers. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Boarding

8.4

Food

8.1

Crew

8.6

Comfort

8.3

Overall

8.4

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

Boarding

8.4

Food

8.1

Crew

8.6

Comfort

8.3

Overall

8.4

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

Boarding

8.4

Food

8.1

Crew

8.6

Comfort

8.3

Overall

8.4

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

Boarding

8.4

Food

8.1

Crew

8.6

Comfort

8.3

Overall

8.4

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

Boarding

8.4

Food

8.1

Crew

8.6

Comfort

8.3

Overall

8.4

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

Boarding

8.4

Food

8.1

Crew

8.6

Comfort

8.3

Overall

8.4

Entertainment

8.0

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

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.

  • What are the cheapest airlines to fly from Oakland, California to South Korea one-way?

    For one-way options, check prices for China Airlines. According to our data, you can fly for as low as $604. Users have also found prices from $659 and $675 on EVA Air and Philippine Airlines, respectively.

  • What are the most popular routes 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, February is the cheapest month in which you can book a flight from Oakland, California to South Korea (average of $1,000). Flying from Oakland, California to South Korea in December is currently the most expensive (average of $1,635). 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.

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.