$425 Cheap Flights from San Juan (SJU) to Seoul (ICN)

View $425 flight on Wed, Apr 8, 2026Opens in a new window

Popular airlines from Luis Munoz Marin Intl. Airport (SJU) to Incheon Intl. Airport (ICN)

Cheap Flights from San Juan to Seoul (SJU-ICN)

Prices were available within the past 7 days and start at $425 for one-way flights and $751 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Thu, Nov 27 - Sat, Dec 6
SJU
San Juan
ICN
Seoul
$751 Roundtrip, found 3 days ago
$751
Roundtrip
found 3 days ago
Select United flight, departing Thu, Nov 27 from San Juan to Seoul, returning Sat, Dec 6, priced at $751 found 3 days ago
United
Thu, Nov 27 - Sat, Dec 6
SJU
San Juan
ICN
Seoul
$797 Roundtrip, found 3 days ago
$797
Roundtrip
found 3 days ago
Select United flight, departing Thu, Nov 27 from San Juan to Seoul, returning Sat, Dec 6, priced at $797 found 3 days ago
American Airlines
Thu, Nov 27 - Sat, Dec 6
SJU
San Juan
ICN
Seoul
$797 Roundtrip, found 3 days ago
$797
Roundtrip
found 3 days ago
Select American Airlines flight, departing Thu, Nov 27 from San Juan to Seoul, returning Sat, Dec 6, priced at $797 found 3 days ago
Delta
Thu, Nov 27 - Sat, Dec 6
SJU
San Juan
ICN
Seoul
$797 Roundtrip, found 3 days ago
$797
Roundtrip
found 3 days ago
Select Delta flight, departing Thu, Nov 27 from San Juan to Seoul, returning Sat, Dec 6, priced at $797 found 3 days ago
United
Thu, Nov 27 - Fri, Dec 12
SJU
San Juan
ICN
Seoul
$818 Roundtrip, found 4 days ago
$818
Roundtrip
found 4 days ago
Select United flight, departing Thu, Nov 27 from San Juan to Seoul, returning Fri, Dec 12, priced at $818 found 4 days ago
United
Thu, Nov 27 - Sat, Dec 6
SJU
San Juan
ICN
Seoul
$822 Roundtrip, found 3 days ago
$822
Roundtrip
found 3 days ago
Select United flight, departing Thu, Nov 27 from San Juan to Seoul, returning Sat, Dec 6, priced at $822 found 3 days ago
Delta
Thu, Nov 27 - Sat, Dec 6
SJU
San Juan
ICN
Seoul
$839 Roundtrip, found 3 days ago
$839
Roundtrip
found 3 days ago
Select Delta flight, departing Thu, Nov 27 from San Juan to Seoul, returning Sat, Dec 6, priced at $839 found 3 days ago
United
Mon, Nov 10 - Thu, Nov 13
SJU
San Juan
ICN
Seoul
$843 Roundtrip, found 5 days ago
$843
Roundtrip
found 5 days ago
Select United flight, departing Mon, Nov 10 from San Juan to Seoul, returning Thu, Nov 13, priced at $843 found 5 days ago
Air Canada
Sat, Nov 22 - Fri, Dec 5
SJU
San Juan
ICN
Seoul
$863 Roundtrip, found 3 hours ago
$863
Roundtrip
found 3 hours ago
Select Air Canada flight, departing Sat, Nov 22 from San Juan to Seoul, returning Fri, Dec 5, priced at $863 found 3 hours ago
Etihad Airways
Mon, Mar 9 - Sat, Mar 21
SJU
San Juan
ICN
Seoul
$1,319 Roundtrip, found 4 days ago
$1,319
Roundtrip
found 4 days ago
Select Etihad Airways flight, departing Mon, Mar 9 from San Juan to Seoul, returning Sat, Mar 21, priced at $1,319 found 4 days ago

Find the cheapest month to fly from San Juan (SJU) to Seoul (ICN)

February is typically the cheapest month to fly

From $874 - $1,765 per traveler.

Alternative airports near Seoul

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to Gimpo Intl. GMP. Closest option available. Average driving time to city center is 20 minutes. Flights from $1,481
GMP
Gimpo Intl.
Closest
Average driving time to city center20 min
Flights from $1,481

Frequently asked questions

How much does a flight from Luis Munoz Marin Intl. Airport (SJU) to Incheon Intl. Airport (ICN) cost?
Get a cheap one-way flight from $425 or cheap return flight from $751 from Luis Munoz Marin Intl. Airport (SJU) to Incheon Intl. Airport (ICN) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to find our cheapest flight deals on this route.
What is the cheapest month to fly from Luis Munoz Marin Intl. Airport (SJU) to Incheon Intl. Airport (ICN)?
The cheapest month to fly from SJU to ICN is November, when there's less demand. Off-peak months are often when airlines offer lower prices between these airports.
What is the cheapest airline that flies from Luis Munoz Marin Intl. Airport (SJU) to Incheon Intl. Airport (ICN)?
To find the cheapest airline that'll fly you from SJU to ICN, use Expedia's filter tool. Tailor your search based on what matters most to you, such as preferred carriers and number of stops. You can then sort your results by "Price (lowest to highest)" to discover the cheapest flight right away.
How many flights per day from Luis Munoz Marin Intl. Airport (SJU) to Incheon Intl. Airport (ICN)?
There are no daily direct flights departing from Luis Munoz Marin Intl. Airport (SJU) to Incheon Intl. Airport (ICN). But you can book flights with layovers. Filter your search results on Expedia to include one or more stops, and you'll be on your way in no time.
What day of the week has the most flights from SJU to ICN?
Generally you'll find the widest variety of flight choices on a Friday. Tuesdays are often the quietest.* However, this can vary depending on the season, airline and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Luis Munoz Marin Intl. Airport (SJU) to Incheon Intl. Airport (ICN)?
To avoid possible delays on the Luis Munoz Marin Intl. Airport (SJU) to Incheon Intl. Airport (ICN) route, fly before 3 PM. Departures after this time have a 22% higher chance of cancellation.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Luis Munoz Marin Intl. Airport (SJU) to Incheon Intl. Airport (ICN) last-minute?
Waiting until just before your departure to book your flight from SJU to ICN often results in higher prices. While you may find some last-minute discounts, they're not always guaranteed. Be flexible with your itinerary to boost your chances of scoring a bargain.
Is it cheaper to book a SJU to ICN flight and hotel package?
Opting for a SJU to ICN flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your travels all in one place. Select from our extensive range of accommodations and then add flights, car rentals and activities to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Luis Munoz Marin Intl. Airport (SJU) to Incheon Intl. Airport (ICN)?
Typically, you can modify or cancel your SJU to ICN flight. However, there may be additional charges, especially if you booked over 24 hours ago. Check your itinerary for the airline's fees and guidelines on flight changes, or if you'd like more information, go to our Customer Service portal.

Travel information

Origin airport
Luis Munoz Marin Intl.
Destination airport
Incheon Intl.
Airlines serving
Air Canada, American Airlines, Delta, Etihad Airways, KLM, LOT-Polish Airlines, Qatar Airways, Turkish Airlines, United
Roundtrip price
$751
Distance
8490 mi

Book with confidence

San Juan to Seoul Flights

The cheapest times to fly from San Juan to Seoul

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from San Juan to Seoul are during the month of November. You can find some of the cheapest flights from San Juan to Seoul with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from San Juan to Seoul

Sunday is one of the best days to book for cheap flights from San Juan to Seoul: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from San Juan to Seoul

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from San Juan to Seoul in 2025. You can also book with separate airlines for your outbound and return journeys, from $425 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap San Juan to Seoul flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your San Juan to Seoul airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

San Juan to Seoul Flights

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*Available to One Key members.