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$380+ Cheap flights from San Diego (SAN) 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 10/16. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — SEL
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
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Cheapflights Tip: The best prices from San Diego to Seoul are usually found in February or November, booked 58 days in advance, depart on a Friday or Thursday and return on a Thursday

Cheap flight deals from San Diego to Seoul

Discover tips and strategies to find the most affordable flight options for your journey from San Diego (SAN) 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 15, 2025.

Round-trip from

$723
(Kiwi.com)

One-way from

$380
(Kiwi.com)

Popular in

July

Cheapest in

February

Average price

$1,161
From San Diego to Seoul (SEL)
Search Deals
One-way flight from San Diego to Seoul (SEL)
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Highest demand for flights based on searches. 16% potential increase in price ($231 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($45 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 San Diego to Seoul

Cheapest flights from San Diego to Seoul
Explore the most affordable flight options available from San Diego to Seoul. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.

This Kiwi.com deal was found by Cheapflights users on 9/14. 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.
Sun 11/168:30 amSAN - ICN
2 stops38h 40mMultiple Airlines
Sun 12/76:55 pmICN - SAN
1 stop14h 17mMultiple Airlines
Deal found 9/14$723
This Kiwi.com deal was found by Cheapflights users on 9/14. 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.
Mon 11/1711:34 amSAN - ICN
2 stops24h 46mMultiple Airlines
Sun 12/76:55 pmICN - SAN
1 stop14h 17mMultiple Airlines
Deal found 9/14$736
This Delta deal was found by Cheapflights users on 9/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/227:29 amSAN - ICN
1 stop17h 01mDelta
Mon 9/297:20 pmICN - SAN
1 stop14h 51mDelta
Deal found 9/12$754
This Kiwi.com deal was found by Cheapflights users on 9/14. 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.
Mon 11/172:03 pmSAN - ICN
2 stops22h 17mMultiple Airlines
Sat 12/68:35 pmICN - SAN
1 stop15h 58mMultiple Airlines
Deal found 9/14$756
This United Airlines deal was found by Cheapflights users on 9/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/222:21 pmSAN - ICN
2 stops21h 59mUnited Airlines
Tue 9/3011:30 amICN - SAN
2 stops24h 22mUnited Airlines
Deal found 9/12$759
This Delta deal was found by Cheapflights users on 9/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/217:15 pmSAN - ICN
1 stop29h 15mDelta
Tue 9/307:20 pmICN - SAN
1 stop19h 09mDelta
Deal found 9/12$760
This United Airlines deal was found by Cheapflights users on 9/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/217:21 pmSAN - ICN
1 stop27h 39mUnited Airlines
Mon 9/294:50 pmICN - SAN
2 stops22h 51mUnited Airlines
Deal found 9/12$764
This Delta deal was found by Cheapflights users on 9/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/217:15 pmSAN - ICN
1 stop29h 15mDelta
Thu 10/27:20 pmICN - SAN
2 stops19h 39mDelta
Deal found 9/12$765
This Kiwi.com deal was found by Cheapflights users on 9/14. 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.
Sun 11/168:30 amSAN - ICN
2 stops38h 40mMultiple Airlines
Fri 12/56:55 pmICN - SAN
1 stop14h 17mMultiple Airlines
Deal found 9/14$771
This Kiwi.com deal was found by Cheapflights users on 9/14. 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.
Fri 11/1412:17 pmSAN - ICN
2 stops34h 53mMultiple Airlines
Mon 12/86:55 pmICN - SAN
1 stop14h 17mMultiple Airlines
Deal found 9/14$780
This Kiwi.com deal was found by Cheapflights users on 9/13. 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.
Sat 10/181:01 pmSAN - ICN
1 stop39h 29mMultiple Airlines
Wed 10/226:20 pmICN - SAN
1 stop33h 07mMultiple Airlines
Deal found 9/13$782
This FlightHub deal was found by Cheapflights users on 9/12. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/231:35 pmSAN - GMP
1 stop36h 25mJapan Airlines
Tue 9/307:55 amGMP - SAN
1 stop19h 40mJapan Airlines
Deal found 9/12$884

Cheapflights Fare Finder

 
Customize your flight search to find flights from San Diego 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 15, 2025.
Use the filters below to find and compare flights from San Diego to Seoul that are best for you.

Fly from

San Diego

Fly to

Seoul

Route

Depart

Return

Price

San DiegoIncheon

SAN - ICN

SANICN

San Diego

Thu 9/25

7:29 am-4:30 pm

1 stop17h 01m

Incheon Intl

Thu 10/2

7:20 pm-6:11 pm

1 stop14h 51m

$754

San DiegoIncheon

SAN - ICN

SANICN

San Diego

Thu 9/25

7:29 am-4:30 pm

1 stop17h 01m

Incheon Intl

Tue 9/30

7:20 pm-6:11 pm

1 stop14h 51m

$754

San DiegoIncheon

SAN - ICN

SANICN

San Diego

Mon 10/20

6:15 am-4:30 pm

1 stop18h 15m

Incheon Intl

Mon 11/3

8:05 pm-11:58 pm

2 stops20h 53m

$759

San DiegoIncheon

SAN - ICN

SANICN

San Diego

Thu 9/25

7:29 am-4:30 pm

1 stop17h 01m

Incheon Intl

Mon 9/29

7:20 pm-10:59 pm

2 stops19h 39m

$759

San DiegoIncheon

SAN - ICN

SANICN

San Diego

Mon 11/3

6:30 am-4:30 pm

1 stop17h 00m

Incheon Intl

Sat 11/15

8:05 pm-9:19 am

2 stops30h 14m

$882

San DiegoIncheon

SAN - ICN

SANICN

San Diego

Wed 10/1

7:15 am-6:35 pm

1 stop19h 20m

Incheon Intl

Sun 10/19

8:35 pm-11:05 pm

1 stop18h 30m

$883

San DiegoIncheon

SAN - ICN

SANICN

San Diego

Wed 10/1

11:15 am-4:20 am

2 stops25h 05m

Incheon Intl

Sun 10/19

11:30 am-10:06 am

1 stop14h 36m

$883

San DiegoSeoul

SAN - GMP

SANGMP

San Diego

Tue 9/23

1:35 pm-6:00 pm

1 stop36h 25m

Seoul Gimpo Intl

Tue 9/30

7:55 am-11:35 am

1 stop19h 40m

$884

San DiegoIncheon

SAN - ICN

SANICN

San Diego

Fri 3/6

7:00 am-6:35 pm

1 stop18h 35m

Incheon Intl

Fri 3/13

8:35 pm-12:07 am

1 stop19h 32m

$892

San DiegoIncheon

SAN - ICN

SANICN

San Diego

Thu 10/30

5:55 pm-4:40 am

1 stop18h 45m

Incheon Intl

Thu 11/6

12:45 pm-6:34 pm

1 stop22h 49m

$892

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/13

Showing 1-10 of 40 results
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Best time to book a flight from San Diego to Seoul

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

How far ahead should I book a flight from San Diego to Seoul?

Use this chart to determine the optimal time to book a round-trip flight from San Diego to Seoul. Price data was last updated on September 12, 2025.

The price you pay for your flight from San Diego to Seoul may vary depending on when you book. For the best chance of a lower fare, look to book 58 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from San Diego to Seoul?

Currently, February is the cheapest month in which you can book a flight from San Diego to Seoul (average of $990). Flying from San Diego to Seoul in December is currently the most expensive (average of $1,633). 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 SAN to SEL?

Find hourly flight availability from San Diego 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 15, 2025.

It’s optimal to fly from San Diego to Seoul at noon. By choosing this option you can save up to 69% on the cost of your flight, compared to a flight in the morning.

How much does it cost to fly round-trip from San Diego to Seoul?

Reviews of airlines servicing Seoul

Get insights into the airlines that provide service to Seoul. 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 Seoul. Reviews last updated September 15, 2025.
Peruse reviews from past customers who have flown with Korean Air, Asiana Airlines, and Delta from San Diego to Seoul to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Korean Air
8.4
Very good
1,139 reviews

Overall

8.4

Entertainment

8.2

Comfort

8.3

Food

8.1

Crew

8.7

Boarding

8.5

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Korean Air
8.4
Very good
1,139 reviews
Korean Air
8.4
Very good
1,139 reviews

Overall

8.4

Entertainment

8.2

Comfort

8.3

Food

8.1

Crew

8.7

Boarding

8.5

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Asiana Airlines
8.2
Very good
479 reviews
Korean Air
8.4
Very good
1,139 reviews

Overall

8.4

Entertainment

8.2

Comfort

8.3

Food

8.1

Crew

8.7

Boarding

8.5

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Delta
8.0
Very good
7,954 reviews
Korean Air
8.4
Very good
1,139 reviews

Overall

8.4

Entertainment

8.2

Comfort

8.3

Food

8.1

Crew

8.7

Boarding

8.5

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
United Airlines
7.4
Good
8,929 reviews
Korean Air
8.4
Very good
1,139 reviews

Overall

8.4

Entertainment

8.2

Comfort

8.3

Food

8.1

Crew

8.7

Boarding

8.5

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.
Air Canada
7.1
Good
10,000 reviews
Korean Air
8.4
Very good
1,139 reviews

Overall

8.4

Entertainment

8.2

Comfort

8.3

Food

8.1

Crew

8.7

Boarding

8.5

Reviews

1 / 20
10.0
Excellent

Chris,Mar 2025

SEA - ICN

Was told the flight was overbooked so they selected only a few people to weight their bags and we were forced to check our luggage. We Once we got seated on the flight there were many seats vacant and our overhead bin was completely open. Both our luggage and our carryon were small. We had booked our tickets months in advance and we watched people carry two small suitcases on without one word to them. Am I upset?? Yes it was disappointing.

Related info for your journey

Find useful and relevant information for your journey from San Diego 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 San Diego to Seoul?

    Located just 2.6 mi from the city center, San Diego is the airport most travelers will use when flying to Seoul from San Diego. Booking flights from San Diego (SAN) to Seoul should be relatively easy as there are 0 daily outbound flights to Seoul from 6 different airlines.

  • How long is the flight from San Diego to Seoul?

    Delta and Japan Airlines can get you from San Diego to Seoul in just under 17h 01m. Your travel time can differ by up to 19h 24m. Airlines will cover a distance of 6086 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from San Diego to Seoul round-trip?

    Our cheapest airline available from San Diego to Seoul is Air Canada. Our recent data shows that you can find tickets from as low as $786 on this airline. Additional options worth looking into are United Airlines and Hawaiian Airlines, starting at $877 and $895 round-trip. Air Canada is priced at 34% lower than the current average price of a flight leaving 3 months from now.

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

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

  • How can I find direct flights from San Diego to Seoul?

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

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

    Yes. Cheapflights offers flight deals from San Diego 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 San Diego to Seoul?

    Currently, February is the cheapest month in which you can book a flight from San Diego to Seoul (average of $990). Flying from San Diego to Seoul in December is currently the most expensive (average of $1,633). 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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Top 6 airlines flying from San Diego to Seoul

Discover the top 6 airlines that operate flights from San Diego to Seoul. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$786Average$1,135FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$877Average$1,238FlexibilityNo cancel feeOn-time69%
Hawaiian AirlinesCheapest$895Average$1,172FlexibilityNo cancel feeOn-time85%
DeltaCheapest$902Average$1,205FlexibilityNo cancel feeOn-timeN/A
Asiana AirlinesCheapest$953Average$1,081FlexibilityNo cancel feeOn-time76%
Korean AirCheapest$1,057Average$1,304FlexibilityNo cancel feeOn-time81%

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