What is the cheapest airline that flies from Seoul to San Diego?

Japan Airlines is the most popular carrier operating from Seoul to San Diego

What airlines fly to San Diego?

Delta, Asiana Airlines and United Airlines are the top three most popular airlines that fly to San Diego from Seoul according to our data. Delta is the first choice among our users, with 47% of people opting to fly with this airline when traveling to San Diego. Keep in mind that there are 3 different airlines that fly to San Diego on a routine basis, so you have a few additional options to choose from.

How long does it take to fly to San Diego?

On average, it takes 15h 12m to fly from Seoul to San Diego if you fly out of Incheon (the most popular airport in Seoul) and into San Diego (the most popular airport in San Diego). If you’re flying out of Seoul and into San Diego, then the flight time is around 21h 46m.

When did momondo last update prices for flights from Seoul to San Diego Airport?

Prices for flights from Seoul to San Diego Airport refresh daily.

How many operators does momondo search for flights from Seoul to San Diego Airport?

As of December 2025, there are 3 operators available to choose from for flights from Seoul to San Diego Airport.

How old do you have to be to fly from Seoul to San Diego Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Seoul to San Diego Airport.

What documentation or ID do you need to fly to San Diego Airport?

The travel and health documents required for your trip to San Diego Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at San Diego Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$360 Cheap Flights from Seoul to San Diego in 2025/26

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Find the cheapest flights from Seoul to San Diego

Round-trip

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Cheap round-trip flights

Enter your travel dates to find the best prices.

8:35 pm - 7:47 pm

ICN

SAN

15h 12m1 stop

7:30 am - 6:35 pm

SAN

ICN

19h 05m1 stop

$589Multiple Airlines

Fri, Apr 17 - Thu, Apr 23

5:25 pm - 11:41 pm

ICN

SAN

22h 16m1 stop

1:27 pm - 3:30 pm

SAN

ICN

34h 03m2 stops

$595American Airlines

Wed, Apr 22 - Sun, Apr 26

6:55 pm - 5:24 pm

ICN

SAN

15h 29m1 stop

6:05 pm - 5:10 pm

SAN

ICN

30h 05m1 stop

$627Air Canada

Mon, Feb 2 - Sat, Feb 21

6:55 pm - 5:24 pm

ICN

SAN

15h 29m1 stop

6:05 pm - 5:10 pm

SAN

ICN

30h 05m1 stop

$629Air Canada

Mon, Feb 2 - Sat, Feb 21

7:15 pm - 11:59 pm

ICN

SAN

21h 44m1 stop

4:38 pm - 4:45 pm

SAN

ICN

31h 07m1 stop

$630American Airlines

Thu, Feb 12 - Mon, Feb 23

7:15 pm - 11:59 pm

ICN

SAN

21h 44m1 stop

4:58 pm - 4:45 pm

SAN

ICN

30h 47m2 stops

$631American Airlines

Thu, Feb 12 - Sun, Feb 22

6:00 pm - 9:20 am

ICN

SAN

32h 20m2 stops

11:05 am - 5:40 am

SAN

ICN

25h 35m2 stops

$638United Airlines

Mon, Feb 9 - Mon, Feb 16

8:35 pm - 3:29 pm

ICN

SAN

35h 54m1 stop

6:15 am - 6:35 pm

SAN

ICN

19h 20m1 stop

$652Hawaiian Airlines

Mon, Jan 19 - Sun, Jan 25

12:25 pm - 7:54 pm

GMP

SAN

24h 29m2 stops

11:05 am - 11:20 am

SAN

GMP

31h 15m2 stops

$1,151ANA

Mon, Feb 9 - Mon, Feb 16

7:45 am - 5:29 pm

GMP

SAN

26h 44m2 stops

11:03 am - 11:20 am

SAN

GMP

31h 17m2 stops

$1,344ANA

Wed, Mar 4 - Sat, Mar 7

United Airlines flights from Seoul to San Diego

Our best United Airlines deals on Seoul to San Diego flight tickets

United Airlines

Feb 9

ICN6:00 pmIncheon Intl

32h 20m

2 stops

SAN9:20 amSan Diego

Feb 16

SAN11:05 amSan Diego

25h 35m

2 stops

ICN5:40 amIncheon Intl

$638

Find similar

United Airlines

Jan 27

ICN6:00 pmIncheon Intl

18h 54m

2 stops

SAN7:54 pmSan Diego

Jan 30

SAN1:00 pmSan Diego

23h 40m

2 stops

ICN5:40 amIncheon Intl

$708

Find similar

United Airlines

Jan 27

ICN6:00 pmIncheon Intl

13h 52m

1 stop

SAN2:52 pmSan Diego

Jan 30

SAN11:08 amSan Diego

25h 32m

2 stops

ICN5:40 amIncheon Intl

$709

Find similar

Delta flights from Seoul to San Diego

Our best Delta deals on Seoul to San Diego flight tickets

Delta

Feb 13

ICN7:40 pmIncheon Intl

21h 06m

1 stop

SAN11:46 pmSan Diego

Feb 23

SAN6:15 amSan Diego

17h 05m

1 stop

ICN4:20 pmIncheon Intl

$678

Find similar

Delta

Jan 28

ICN8:05 pmIncheon Intl

14h 55m

1 stop

SAN6:00 pmSan Diego

Jan 31

SAN1:45 pmSan Diego

33h 45m

1 stop

ICN4:30 pmIncheon Intl

$679

Find similar

Delta

Feb 14

ICN8:05 pmIncheon Intl

29h 43m

2 stops

SAN8:48 amSan Diego

Feb 23

SAN7:25 pmSan Diego

28h 05m

2 stops

ICN4:30 pmIncheon Intl

$730

Find similar

Fly from

Fly to

Route

Depart

Return

Price

IncheonSan Diego

ICN - SAN

ICNSAN

Incheon Intl

Fri 4/17

8:35 pm-7:47 pm

1 stop15h 12m

San Diego

Thu 4/23

7:30 am-6:35 pm

1 stop19h 05m

$589

IncheonSan Diego

ICN - SAN

ICNSAN

Incheon Intl

Wed 4/22

5:25 pm-11:41 pm

1 stop22h 16m

San Diego

Sun 4/26

1:27 pm-3:30 pm

2 stops34h 03m

$595

IncheonSan Diego

ICN - SAN

ICNSAN

Incheon Intl

Mon 2/2

6:55 pm-5:24 pm

1 stop15h 29m

San Diego

Sat 2/21

6:05 pm-5:10 pm

1 stop30h 05m

$627

IncheonSan Diego

ICN - SAN

ICNSAN

Incheon Intl

Mon 2/2

6:55 pm-5:24 pm

1 stop15h 29m

San Diego

Sat 2/21

6:05 pm-5:10 pm

1 stop30h 05m

$629

IncheonSan Diego

ICN - SAN

ICNSAN

Incheon Intl

Thu 2/12

7:15 pm-11:59 pm

1 stop21h 44m

San Diego

Mon 2/23

4:38 pm-4:45 pm

1 stop31h 07m

$630

IncheonSan Diego

ICN - SAN

ICNSAN

Incheon Intl

Thu 2/12

7:15 pm-11:59 pm

1 stop21h 44m

San Diego

Sun 2/22

4:58 pm-4:45 pm

2 stops30h 47m

$631

IncheonSan Diego

ICN - SAN

ICNSAN

Incheon Intl

Mon 2/9

6:00 pm-9:20 am

2 stops32h 20m

San Diego

Mon 2/16

11:05 am-5:40 am

2 stops25h 35m

$638

IncheonSan Diego

ICN - SAN

ICNSAN

Incheon Intl

Mon 1/19

8:35 pm-3:29 pm

1 stop35h 54m

San Diego

Sun 1/25

6:15 am-6:35 pm

1 stop19h 20m

$652

SeoulSan Diego

GMP - SAN

GMPSAN

Seoul Gimpo Intl

Mon 2/9

12:25 pm-7:54 pm

2 stops24h 29m

San Diego

Mon 2/16

11:05 am-11:20 am

2 stops31h 15m

$1,151

SeoulSan Diego

GMP - SAN

GMPSAN

Seoul Gimpo Intl

Wed 3/4

7:45 am-5:29 pm

2 stops26h 44m

San Diego

Sat 3/7

11:03 am-11:20 am

2 stops31h 17m

$1,344

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Seoul to San Diego

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest day to depart on your flight to San Diego?

The cheapest day to depart from Seoul to San Diego is on a Sunday. Travelers who choose to depart for San Diego on a Sunday will often find tickets for as low as $615. If your travel schedule is flexible, try to avoid departing on a Friday because tickets tend to average around $962. These prices are subject to change though, so be sure to set up a Price Alert for flights to San Diego.

How have Seoul to San Diego flight prices changed over time?

As of December 2025, prices for Seoul to San Diego flights are approximately 7% cheaper when compared to flights at the same time last year.

When to book flights from Seoul to San Diego

Are you open to changing your travel dates? Check out the ideal times to fly from Seoul to San Diego according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Seoul to San Diego (SEL to SAN) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seoul to San Diego

Fastest flight time	15h 12m
Direct flights	None

The fastest flight from Seoul to San Diego takes 15h 12m

There are no direct flights from Seoul to San Diego. There are no popular flight routes from Seoul to San Diego.

Search flight deals

How far is Seoul to San Diego by plane?
The straight-line distance from Seoul to San Diego is 6061.6 mi. By plane, this route typically takes 15h 12m.
When did momondo last update prices for flights from Seoul to San Diego Airport?
Prices for flights from Seoul to San Diego Airport refresh daily.
How many operators does momondo search for flights from Seoul to San Diego Airport?
As of December 2025, there are 3 operators available to choose from for flights from Seoul to San Diego Airport.
How old do you have to be to fly from Seoul to San Diego Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Seoul to San Diego Airport.
What documentation or ID do you need to fly to San Diego Airport?
The travel and health documents required for your trip to San Diego Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at San Diego Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Seoul to San Diego

Compare and see reviews for airlines that fly from Seoul to San Diego with momondo

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $638	Free Cancellation	Rating 7.4 9,113 reviews	Search United Airlines flights
Asiana Airlines	PriceFrom $660	Free Cancellation	Rating 8.2 501 reviews	Search Asiana Airlines flights
Delta	PriceFrom $705	Free Cancellation	Rating 7.9 8,019 reviews	Search Delta flights

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Poway

National City

Borrego Springs

Imperial Beach

La Mesa

San Ysidro

Lemon Grove

Alpine

Santee

Why use momondo?

Why should I use momondo to find a flight deal from Seoul to San Diego?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to San Diego from Seoul.

Can I find flights from Seoul to San Diego with flexible booking policies on momondo?

Flights from Seoul to San Diego with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Seoul to San Diego?

Once all potential Seoul to San Diego flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Seoul to San Diego right now. Can momondo alert me if prices change?

Price alerts on flights to San Diego from Seoul are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.