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£507 Cheap Flights from Seoul (ICN) to San Diego (SAN)

View £507 flight on Fri, 25 Sept 2026Opens in a new window

Flight 1

Popular airlines from Incheon Intl. Airport (ICN) to San Diego Intl. Airport (SAN)

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Cheap Flights from Seoul (ICN) to San Diego (SAN)

Prices were available within the past 7 days and start at £507 for one-way flights and £619 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Wed, 23 Dec - Mon, 28 Dec
ICN
Seoul
SAN
San Diego
£619 Return, found 5 hours ago
£619
Return
found 5 hours ago
Select Air Canada flight, departing Wed, 23 Dec from Seoul to San Diego, returning Mon, 28 Dec, priced at £619 found 5 hours ago
Air Canada
Wed, 23 Dec - Mon, 28 Dec
ICN
Seoul
SAN
San Diego
£760 Return, found 5 hours ago
£760
Return
found 5 hours ago
Select Air Canada flight, departing Wed, 23 Dec from Seoul to San Diego, returning Mon, 28 Dec, priced at £760 found 5 hours ago
Air Canada
Wed, 23 Dec - Mon, 28 Dec
ICN
Seoul
SAN
San Diego
£800 Return, found 5 hours ago
£800
Return
found 5 hours ago
Select Air Canada flight, departing Wed, 23 Dec from Seoul to San Diego, returning Mon, 28 Dec, priced at £800 found 5 hours ago
Air Canada
Wed, 23 Dec - Mon, 28 Dec
ICN
Seoul
SAN
San Diego
£805 Return, found 5 hours ago
£805
Return
found 5 hours ago
Select Air Canada flight, departing Wed, 23 Dec from Seoul to San Diego, returning Mon, 28 Dec, priced at £805 found 5 hours ago
Asiana Airlines
Wed, 2 Dec - Wed, 9 Dec
ICN
Seoul
SAN
San Diego
£814 Return, found 1 day ago
£814
Return
found 1 day ago
Select Asiana Airlines flight, departing Wed, 2 Dec from Seoul to San Diego, returning Wed, 9 Dec, priced at £814 found 1 day ago
Delta
Wed, 2 Dec - Wed, 9 Dec
ICN
Seoul
SAN
San Diego
£828 Return, found 1 day ago
£828
Return
found 1 day ago
Select Delta flight, departing Wed, 2 Dec from Seoul to San Diego, returning Wed, 9 Dec, priced at £828 found 1 day ago
Air Canada
Wed, 2 Dec - Wed, 9 Dec
ICN
Seoul
SAN
San Diego
£835 Return, found 1 day ago
£835
Return
found 1 day ago
Select Air Canada flight, departing Wed, 2 Dec from Seoul to San Diego, returning Wed, 9 Dec, priced at £835 found 1 day ago
United
Wed, 2 Dec - Wed, 9 Dec
ICN
Seoul
SAN
San Diego
£854 Return, found 1 day ago
£854
Return
found 1 day ago
Select United flight, departing Wed, 2 Dec from Seoul to San Diego, returning Wed, 9 Dec, priced at £854 found 1 day ago
Air Canada
Wed, 23 Dec - Mon, 28 Dec
ICN
Seoul
SAN
San Diego
£867 Return, found 5 hours ago
£867
Return
found 5 hours ago
Select Air Canada flight, departing Wed, 23 Dec from Seoul to San Diego, returning Mon, 28 Dec, priced at £867 found 5 hours ago
Korean Air
Wed, 23 Dec - Mon, 28 Dec
ICN
Seoul
SAN
San Diego
£878 Return, found 5 hours ago
£878
Return
found 5 hours ago
Select Korean Air flight, departing Wed, 23 Dec from Seoul to San Diego, returning Mon, 28 Dec, priced at £878 found 5 hours ago

Find the cheapest month to fly from Seoul (ICN) to San Diego (SAN)

May is typically the cheapest month to fly

From £347 - £768 per traveller.

Frequently asked questions

How much does a flight from Seoul (ICN-Incheon Intl.) to San Diego, CA (SAN-San Diego Intl.) cost?
You can find one-way and return flights from ICN to SAN with Expedia. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see our cheapest fares first, and use the Price Tracking tool to receive alerts when ICN to SAN ticket fares go up or down.
What is the cheapest month to fly from Seoul (ICN-Incheon Intl.) to San Diego, CA (SAN-San Diego Intl.)?
If you're looking for the cheapest time to fly from Seoul (ICN-Incheon Intl.) to San Diego, CA (SAN-San Diego Intl.), December is typically your best bet. You can expect average return fares to be around £532 during this month. Other budget-friendly months to consider for this route include March and April.
Which airlines fly direct from Seoul (ICN) to San Diego, CA (SAN)?
Enter ICN to SAN and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
How do I find cheap flights from Seoul (ICN-Incheon Intl.) to San Diego, CA (SAN-San Diego Intl.)?
To find a cheap flight from Seoul (ICN-Incheon Intl.) to San Diego, CA (SAN-San Diego Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best time to fly from Seoul (ICN) to San Diego, CA (SAN)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from Seoul (ICN-Incheon Intl.) to San Diego, CA (SAN-San Diego Intl.)?
There are approximately 59 connecting flights per day from Seoul (ICN-Incheon Intl.) to San Diego, CA (SAN-San Diego Intl.). Some common connection points include Hong Kong Intl. (HKG), Taoyuan Intl. (TPE), and Seattle - Tacoma Intl. (SEA).
What is the earliest flight from Seoul (ICN) to San Diego, CA (SAN)?
Sort flights by "Departure (earliest)" on Expedia to find the earliest flight from Seoul (ICN) to San Diego, CA (SAN). To compare more early flights, use the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Seoul (ICN-Incheon Intl.) to San Diego, CA (SAN-San Diego Intl.)?
You'll typically find the most flights from Seoul (ICN-Incheon Intl.) to San Diego, CA (SAN-San Diego Intl.) on a Monday, with around 30 flights available. This gives you a good selection of options for your journey. Major airlines on this route include Korean Air, Asiana Airlines, and Delta. Looking at the week, Monday offers notably more flight options compared to other days, especially when compared to Sunday, which has significantly fewer flights.
What are the most popular departure times for flights from Seoul (ICN-Incheon Intl.) to San Diego, CA (SAN-San Diego Intl.)?
The most popular departure times for flights from Seoul (ICN-Incheon Intl.) to San Diego, CA (SAN-San Diego Intl.) are in the evening, from 6pm to 9pm. Many major carriers, including Delta, Korean Air and Alaska Airlines, offer flights during this window. Many travellers prefer this because it allows you to make the most of your day in Seoul before your flight, and you'll arrive in San Diego ready to start your day.
How long does it take to fly from Seoul (ICN-Incheon Intl.) to San Diego, CA (SAN-San Diego Intl.)?
A flight from ICN to SAN with a layover takes around 15 hours, with the route covering approximately 9,802 kilometers. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Seoul (ICN-Incheon Intl.) to San Diego, CA (SAN-San Diego Intl.)?
Yes, you can fly business class or first class between ICN and SAN. Airlines that offer business class service on this route include:
  • Asiana Airlines
  • Delta
  • Cathay Pacific
  • Air Canada
  • Korean Air
  • China Eastern Airlines
  • Jeju Air
  • Air China
  • China Airlines
First class cabins are available on Korean Air.
How do I earn miles on a Seoul (ICN) to San Diego, CA (SAN) flight with Expedia?
It's easy to earn miles on a Seoul (ICN) to San Diego, CA (SAN) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
Is it cheaper to buy a plane ticket from Seoul (ICN) to San Diego, CA (SAN) at the last minute?
Typically, booking a last minute flight from Seoul (ICN) to San Diego, CA (SAN) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Seoul (ICN) to San Diego, CA (SAN) flight and hotel package?
Securing a Seoul (ICN) to San Diego, CA (SAN) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Seoul (ICN-Incheon Intl.) to San Diego, CA (SAN-San Diego Intl.)?
If you booked your Seoul (ICN-Incheon Intl.) to San Diego, CA (SAN-San Diego Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Incheon Intl.
Destination airport
San Diego Intl.
Return price
£619
Distance
9743 km

Book with confidence

Compare flights from Seoul to San Diego easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Seoul to San Diego. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to San Diego Intl. in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Incheon Intl. to San Diego Intl..  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Incheon Intl. (ICN) to San Diego Intl. (SAN)

The easiest way to view the best deals on flights from Seoul to San Diego today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Incheon Intl. to San Diego Intl. start at just £619 and range up to £878.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Seoul and San Diego
  • booking your flight during December, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your Seoul to San Diego flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Incheon Intl. to San Diego Intl. for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Compare flights from Seoul to San Diego easily and book with confidence

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