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$314+ 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 1/16. Fares are subject to change and may not be available on all flights or dates of travel.
SAN — SEL
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
1 adult, Economy
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Find cheap flights from San Diego to Seoul 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”

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Cheapflights Tip: The best prices from San Diego to Seoul are usually found in February or November, booked 59 days in advance, depart on a Friday or Thursday and return on a Thursday

Cheap 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 December 18, 2025.

This United Airlines deal was found by Cheapflights users on 12/18. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/276:15 amSAN - ICN
1 stop17h 00mUnited Airlines
Wed 1/1412:45 pmICN - SAN
1 stop15h 01mUnited Airlines
Deal found 12/18$916
This Delta deal was found by Cheapflights users on 12/18. 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.
Sun 12/285:03 pmSAN - ICN
1 stop30h 17mDelta
Wed 1/148:05 pmICN - SAN
1 stop17h 38mDelta
Deal found 12/18$921
This United Airlines deal was found by Cheapflights users on 12/18. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/285:40 pmSAN - ICN
1 stop29h 35mUnited Airlines
Tue 1/1312:45 pmICN - SAN
1 stop15h 01mUnited Airlines
Deal found 12/18$1,007
This United Airlines deal was found by Cheapflights users on 12/18. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/244:10 pmSAN - ICN
2 stops31h 05mUnited Airlines
Mon 1/1912:45 pmICN - SAN
2 stops27h 57mUnited Airlines
Deal found 12/18$1,065
This Delta deal was found by Cheapflights users on 12/17. 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.
Wed 12/245:03 pmSAN - ICN
2 stops30h 27mDelta
Mon 1/198:05 pmICN - SAN
1 stop19h 37mDelta
Deal found 12/17$1,167
This United Airlines deal was found by Cheapflights users on 12/17. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/227:55 pmSAN - ICN
1 stop27h 20mUnited Airlines
Mon 12/296:00 pmICN - SAN
1 stop17h 43mUnited Airlines
Deal found 12/17$1,233
This Kiwi.com deal was found by Cheapflights users on 12/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/316:15 amSAN - ICN
1 stop21h 15mMultiple Airlines
Sun 1/1110:50 pmICN - SAN
1 stop38h 33mMultiple Airlines
Deal found 12/17$1,270
This Trip.com deal was found by Cheapflights users on 12/16. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/1711:40 amSAN - GMP
1 stop37h 40mJapan Airlines
Wed 12/248:00 amGMP - SAN
1 stop18h 45mJapan Airlines
Deal found 12/16$1,564
This oojo deal was found by Cheapflights users on 12/16. 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 12/177:59 pmSAN - GMP
2 stops33h 06mMultiple Airlines
Wed 12/248:00 amGMP - SAN
1 stop18h 45mMultiple Airlines
Deal found 12/16$1,906
This Booking.com deal was found by Cheapflights users on 12/16. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/1711:40 amSAN - GMP
1 stop37h 40mJapan Airlines
Wed 12/318:00 amGMP - SAN
1 stop18h 45mJapan Airlines
Deal found 12/16$2,202
This oojo deal was found by Cheapflights users on 12/17. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2211:40 amSAN - GMP
1 stop30h 15mJapan Airlines
Mon 12/298:00 amGMP - SAN
1 stop18h 45mJapan Airlines
Deal found 12/17$2,214
This Cheapflightsfares deal was found by Cheapflights users on 12/17. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/318:45 pmSAN - GMP
2 stops28h 50mANA
Fri 1/167:45 amGMP - SAN
2 stops29h 09mANA
Deal found 12/17$2,228

Find 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 December 18, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$704
(Kiwi.com)

One-way from

$314
(Expedia)

Popular in

July

Cheapest in

February

Average price

$1,262
Provider with most accurate pricing for San Diego-Seoul (SEL) flight deals.
Search Deals
Provider most trusted by Cheapflights users for San Diego-Seoul (SEL) flights.
Search Deals
From San Diego to Seoul (SEL)
Search Deals
One-way flight from San Diego to Seoul (SEL)
Search Deals
Highest demand for flights based on searches. 21% potential increase in price ($302 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($52 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 December 18, 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

Fri 2/13

6:50 am-4:30 pm

1 stop16h 40m

Incheon Intl

Sun 2/22

7:40 pm-11:46 pm

1 stop21h 06m

$716

San DiegoIncheon

SAN - ICN

SANICN

San Diego

Wed 2/11

6:15 am-6:35 pm

1 stop19h 20m

Incheon Intl

Sun 2/22

8:35 pm-11:03 pm

1 stop19h 28m

$716

San DiegoIncheon

SAN - ICN

SANICN

San Diego

Mon 2/2

5:45 pm-4:30 pm

2 stops29h 45m

Incheon Intl

Wed 2/11

8:05 pm-10:42 pm

1 stop19h 37m

$720

San DiegoIncheon

SAN - ICN

SANICN

San Diego

Mon 1/12

7:00 am-4:30 pm

1 stop16h 30m

Incheon Intl

Thu 2/5

8:05 pm-10:42 pm

1 stop19h 37m

$766

San DiegoIncheon

SAN - ICN

SANICN

San Diego

Wed 2/11

11:08 am-5:40 am

2 stops25h 32m

Incheon Intl

Sun 2/22

6:00 pm-8:49 pm

1 stop19h 49m

$807

San DiegoIncheon

SAN - ICN

SANICN

San Diego

Wed 2/4

7:00 am-4:30 pm

1 stop16h 30m

Incheon Intl

Wed 2/18

8:05 pm-5:50 pm

1 stop14h 45m

$816

San DiegoIncheon

SAN - ICN

SANICN

San Diego

Wed 1/14

7:45 am-4:15 pm

1 stop15h 30m

Incheon Intl

Wed 1/28

12:45 pm-11:42 pm

2 stops27h 57m

$820

San DiegoIncheon

SAN - ICN

SANICN

San Diego

Fri 1/30

7:03 pm-4:30 pm

2 stops28h 27m

Incheon Intl

Fri 2/6

8:05 pm-11:48 pm

2 stops20h 43m

$820

San DiegoIncheon

SAN - ICN

SANICN

San Diego

Thu 1/15

7:35 pm-4:30 pm

2 stops27h 55m

Incheon Intl

Thu 1/22

8:05 pm-10:47 pm

2 stops19h 42m

$820

San DiegoSeoul

SAN - GMP

SANGMP

San Diego

Wed 1/28

7:00 am-10:05 pm

2 stops22h 05m

Seoul Gimpo Intl

Fri 2/6

7:40 pm-4:30 pm

2 stops37h 50m

$900

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

Showing 1-10 of 36 results
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Compare providers for flights from San Diego to Seoul

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from San Diego to Seoul in December.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*3 stars
OvagoPrice Accuracy2 starsTrust Score*2 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on San Diego-Seoul flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on San Diego-Seoul flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from San Diego-Seoul flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on San Diego-Seoul flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for San Diego-Seoul flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 December 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, September is the cheapest month in which you can book a flight from San Diego to Seoul (average of $589). Flying from San Diego to Seoul in June is currently the most expensive (average of $960). 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 December 18, 2025.

It’s optimal to fly from San Diego to Seoul at noon. By choosing this option you can save up to 31% 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 December 18, 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
1,186 reviews

Entertainment

8.2

Food

8.1

Crew

8.7

Boarding

8.5

Overall

8.4

Comfort

8.3

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
1,186 reviews
Korean Air
8.4
Very good
1,186 reviews

Entertainment

8.2

Food

8.1

Crew

8.7

Boarding

8.5

Overall

8.4

Comfort

8.3

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
493 reviews
Korean Air
8.4
Very good
1,186 reviews

Entertainment

8.2

Food

8.1

Crew

8.7

Boarding

8.5

Overall

8.4

Comfort

8.3

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
7.9
Good
8,005 reviews
Korean Air
8.4
Very good
1,186 reviews

Entertainment

8.2

Food

8.1

Crew

8.7

Boarding

8.5

Overall

8.4

Comfort

8.3

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
9,092 reviews
Korean Air
8.4
Very good
1,186 reviews

Entertainment

8.2

Food

8.1

Crew

8.7

Boarding

8.5

Overall

8.4

Comfort

8.3

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
10,534 reviews
Korean Air
8.4
Very good
1,186 reviews

Entertainment

8.2

Food

8.1

Crew

8.7

Boarding

8.5

Overall

8.4

Comfort

8.3

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 16h 40m. Your travel time can differ by up to 5h 25m. 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 Hawaiian Airlines. Our recent data shows that you can find tickets from as low as $568 on this airline. Additional options worth looking into are Air Canada and Delta, starting at $786 and $815 round-trip. Hawaiian Airlines is priced at 49% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from San Diego to Seoul one-way?

    The cheapest airline one-way is Alaska Airlines, with whom users have recently found tickets for as low as $422. However, be on the lookout for offers from Asiana Airlines and United Airlines, as they are both options that can get you from San Diego to Seoul for a low price.

  • 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, September is the cheapest month in which you can book a flight from San Diego to Seoul (average of $589). Flying from San Diego to Seoul in June is currently the most expensive (average of $960). 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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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 December 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$786Average$1,134FlexibilityNo cancel feeOn-time67%
DeltaCheapest$815Average$1,121FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$861Average$1,206FlexibilityNo cancel feeOn-time69%
Hawaiian AirlinesCheapest$862Average$1,172FlexibilityNo cancel feeOn-time85%
Asiana AirlinesCheapest$937Average$1,058FlexibilityNo cancel feeOn-time76%
Korean AirCheapest$1,057Average$1,263FlexibilityNo cancel feeOn-time81%

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