$442 Cheap Flights from San Juan (SJU) to Seoul (GMP)

View $442 flight on Mon, Aug 3, 2026Opens in a new window

Popular airlines from Luis Munoz Marin Intl. Airport (SJU) to Gimpo Intl. Airport (GMP)

    notification illustration

    Be in the know

    Get alerts if flight prices drop or rise*
    deals illustration

    Book smarter

    Save up to 30% on select hotels after you book a flight*
    trophy illustration

    Earn twice

    Earn your airline miles on top of our OneKeyCash
    Learn about One Key

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

Prices were available within the past 7 days and start at $442 for one-way flights and $948 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Japan Airlines
Tue, Oct 28 - Thu, Nov 13
SJU
San Juan
GMP
Seoul
$948 Roundtrip, found 1 day ago
$948
Roundtrip
found 1 day ago
Select Japan Airlines flight, departing Tue, Oct 28 from San Juan to Seoul, returning Thu, Nov 13, priced at $948 found 1 day ago
Japan Airlines
Tue, Oct 28 - Wed, Nov 12
SJU
San Juan
GMP
Seoul
$948 Roundtrip, found 1 day ago
$948
Roundtrip
found 1 day ago
Select Japan Airlines flight, departing Tue, Oct 28 from San Juan to Seoul, returning Wed, Nov 12, priced at $948 found 1 day ago
JetBlue Airways
Mon, Feb 2 - Mon, Feb 9
SJU
San Juan
GMP
Seoul
$948 Roundtrip, found 1 day ago
$948
Roundtrip
found 1 day ago
Select JetBlue Airways flight, departing Mon, Feb 2 from San Juan to Seoul, returning Mon, Feb 9, priced at $948 found 1 day ago
American Airlines
Mon, Dec 1 - Mon, Dec 8
SJU
San Juan
GMP
Seoul
$974 Roundtrip, found 1 day ago
$974
Roundtrip
found 1 day ago
Select American Airlines flight, departing Mon, Dec 1 from San Juan to Seoul, returning Mon, Dec 8, priced at $974 found 1 day ago
JetBlue Airways
Tue, Oct 21 - Mon, Oct 27
SJU
San Juan
GMP
Seoul
$994 Roundtrip, found 4 days ago
$994
Roundtrip
found 4 days ago
Select JetBlue Airways flight, departing Tue, Oct 21 from San Juan to Seoul, returning Mon, Oct 27, priced at $994 found 4 days ago
JetBlue Airways
Tue, Oct 21 - Mon, Oct 27
SJU
San Juan
GMP
Seoul
$1,040 Roundtrip, found 4 days ago
$1,040
Roundtrip
found 4 days ago
Select JetBlue Airways flight, departing Tue, Oct 21 from San Juan to Seoul, returning Mon, Oct 27, priced at $1,040 found 4 days ago
JetBlue Airways
Mon, Nov 10 - Tue, Nov 18
SJU
San Juan
GMP
Seoul
$1,058 Roundtrip, found 3 hours ago
$1,058
Roundtrip
found 3 hours ago
Select JetBlue Airways flight, departing Mon, Nov 10 from San Juan to Seoul, returning Tue, Nov 18, priced at $1,058 found 3 hours ago
Japan Airlines
Sat, Jan 24 - Sat, Feb 7
SJU
San Juan
GMP
Seoul
$1,060 Roundtrip, found 1 day ago
$1,060
Roundtrip
found 1 day ago
Select Japan Airlines flight, departing Sat, Jan 24 from San Juan to Seoul, returning Sat, Feb 7, priced at $1,060 found 1 day ago
JetBlue Airways
Mon, Dec 1 - Mon, Dec 8
SJU
San Juan
GMP
Seoul
$1,060 Roundtrip, found 1 day ago
$1,060
Roundtrip
found 1 day ago
Select JetBlue Airways flight, departing Mon, Dec 1 from San Juan to Seoul, returning Mon, Dec 8, priced at $1,060 found 1 day ago
JetBlue Airways
Sat, Jan 24 - Sat, Feb 7
SJU
San Juan
GMP
Seoul
$1,078 Roundtrip, found 1 day ago
$1,078
Roundtrip
found 1 day ago
Select JetBlue Airways flight, departing Sat, Jan 24 from San Juan to Seoul, returning Sat, Feb 7, priced at $1,078 found 1 day ago

Alternative airports near Seoul

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

Select flight to Incheon Intl. ICN. Cheapest option available. Average driving time to city center is 47 minutes. Flights from $798
ICN
Incheon Intl.
Cheapest
Average driving time to city center47 min
Flights from $798

Frequently asked questions

How much does a flight from Luis Munoz Marin Intl. Airport (SJU) to Gimpo Intl. Airport (GMP) cost?
Snag a cheap one-way flight from $442 or cheap return flight from $948 from Luis Munoz Marin Intl. Airport (SJU) to Gimpo Intl. Airport (GMP) 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 Gimpo Intl. Airport (GMP)?
The cheapest month to fly from SJU to GMP is October, when there's less demand. Off-peak months are typically when better flight deals are available between these airports.
What is the cheapest airline that flies from Luis Munoz Marin Intl. Airport (SJU) to Gimpo Intl. Airport (GMP)?
Expedia's filter tool lets you easily compare airlines, flight times and fares all in one place. Tailor the search to your trip, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest SJU to GMP flight.
How many flights per day from Luis Munoz Marin Intl. Airport (SJU) to Gimpo Intl. Airport (GMP)?
There are no daily direct flights departing from Luis Munoz Marin Intl. Airport (SJU) to Gimpo Intl. Airport (GMP). But you can book flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be soaring above the clouds before you know it.
What day of the week has the most flights from SJU to GMP?
You'll usually find Tuesday the quietest day for flights, while Fridays tend to be the busiest.* However this can vary from season to season and during public holidays or peak travel times.*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 Gimpo Intl. Airport (GMP)?
Opt for a flight from Luis Munoz Marin Intl. Airport (SJU) to Gimpo Intl. Airport (GMP) that leaves before 3 PM to reduce the risk of cancellations and delays. Departures later than this have a 22% higher chance of being canceled, on average.**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 Gimpo Intl. Airport (GMP) last-minute?
Booking your plane ticket from SJU to GMP shortly before your journey is generally more expensive. But if there's some wiggle room with your travel times and dates, you could grab a cheap last-minute fare.
Is it cheaper to book a SJU to GMP flight and hotel package?
You can save money by securing a SJU to GMP flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's simple to manage it all in one place. Once you've selected your ideal flights and accommodations, you can add extras such as activities, car rentals and tours.
Can I cancel or change the date of my flight from Luis Munoz Marin Intl. Airport (SJU) to Gimpo Intl. Airport (GMP)?
Typically, you can cancel or reschedule your SJU to GMP flight. However, there may be additional charges, especially if your booking was made more than 24 hours ago. Double-check your itinerary for the airline's guidelines and fees on flight changes, or if you'd like more information, go to our Customer Service portal.

Travel information

Travel information

Origin airport
Luis Munoz Marin Intl.
Destination airport
Gimpo Intl.
Airlines serving
Japan Airlines
Roundtrip price
$947
Distance
8478 mi

Book with confidence

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 October. 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 $442 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

Explore a world of travel with Expedia

Explore a world of travel with Expedia

*Available to One Key members.