Cheap Flights from Incheon International to San Juan

Compare Incheon International to San Juan flight deals

Find the cheapest month or even day of the year to fly to San Juan

Book the best San Juan fare with no extra fees

Flight deals from Incheon International to San Juan

Looking for a cheap last-minute deal or the best return flight from Incheon International to San Juan? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Incheon International to San Juan

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Incheon International to San Juan flights are currently cheapest in September.

Alternative Incheon International to San Juan routes

Looking for the cheapest, fastest or easiest route from Incheon International to San Juan? You could fly into the following airports instead.

Seoul to San Juan: Flight information

The things to know before you go.
Cheapest flight foundRs151,058
Cheapest month to flySeptember

Finding cheap flights from Incheon International to San Juan: Frequently asked questions

There are 6 airports in San Juan: San Juan Isla Grande, San Juan Luis Munoz Marin, Roosevelt Roads, Ponce, Vieques, and Culebra.
The best price we found for a return flight from Incheon International to San Juan is Rs273,318. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from Incheon International to San Juan. But we found flights with one or more stops from Rs274,699.
As of July 2025, there are no flights flying from Incheon International to San Juan.
The cheapest month to fly from Incheon International to San Juan is usually November.
If you're flying from Incheon International Airport, the cheapest airport near San Juan is San Juan Luis Munoz Marin – which is 11.3 km away from the centre of San Juan. We've found flights into this airport from Rs273,318.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Incheon International Airport to San Juan on Saturday, 15 November 2025.
No airlines currently offer direct flights between Incheon International Airport and San Juan. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to San Juan but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to San Juan is around 40 days in advance, so don’t leave your flight to the last minute.
In July, the average temperature is usually around 27°C. August is typically the warmest month in San Juan, when it usually averages around 29°C. You can expect the least rain in February. The coldest month is January, with temperatures averaging 23°C. The rainiest month is September.
Currently, Air Canada offers the cheapest flight tickets to San Juan.

Travelling from Incheon International Airport (ICN) to San Juan: what you need to know

  • San Juan is 13 hours behind Seoul, where Incheon International Airport is located. San Juan follows the UTC-4 timezone.

  • Give yourself plenty of time to get on your ICN to San Juan flight. As a general rule, turn up at least two hours before international departures and an hour ahead for domestic flights.

  • Planning to travel during a peak period like a bank holiday? Expect longer lines at security and check-in. To give yourself peace of mind, arrive up to four hours before international flights and two hours ahead of domestic departures.

  • Stopovers are the perfect opportunity to take a break from travelling and possibly even visit a new city. When searching for flight tickets from ICN to San Juan, uncheck the 'Direct flights only' box to see where you can visit along the way. Top options include:

    • O'Hare International Airport (ORD)

    • Hartsfield-Jackson Atlanta International Airport (ATL)

    • Detroit Metropolitan Wayne County Airport (DTW)

  • ICN is around 48 kilometres from central Seoul. To work out how to get there, use Google Maps. This handy traveller tool will give you the fastest route and your public transport options.

  • Booked an early flight from Incheon International Airport to San Juan? Avoid the hassle of rushing to the terminal (and enjoy a little extra shut-eye) by choosing one of these stays near ICN:

  • 54.5% of flights taking off from Incheon International Airport touch down at their destination on time.

How to find the cheapest flights from Incheon International Airport (ICN) to San Juan

  • The lowest price we've found for a one-way Incheon International Airport to San Juan flight is Rs151,821. The cheapest price for a return flight is Rs273,318. Bear in mind fares can change due to availability at the time of booking.

  • Booking in advance is often the key to scoring a cheap flight from ICN to San Juan. Fares tend to rise as seats fill up, so the nearer your departure date, the more you'll likely spend.

  • If you have flexibility with your trip dates, try using the 'Whole month' search tool. It'll show you the lowest price across each month when looking for an Incheon International Airport to San Juan ticket.

  • You don't need to check in daily to see if fares have dropped when you create a Price Alert. We'll let you know as soon as there's an extra saving on cheap flights from ICN to San Juan.

  • Tailor your flights with filters. Choose your preferred arrival and departure times, total journey duration and airlines. You can also sort results by 'Best,' 'Cheapest' or 'Fastest' flights from Incheon International Airport to San Juan.

Airports in San Juan

Luis Munoz Marin International Airport (SJU)

  • The distance from Luis Munoz Marin International Airport (SJU) to central San Juan is roughly 8 kilometres. It'll take you about 10 minutes to reach the centre driving.

  • Getting to the centre by public transport typically takes 55 minutes.

  • The last thing you want is a lengthy journey to your hotel if you're arriving on a late flight from Incheon International Airport to San Juan. Reserve one of these accommodation options near SJU instead:

  • Go wherever you want, whenever you want with a Luis Munoz Marin International Airport rental car. Pick up your wheels from Sixt, Ace Rent a Car or U-Save and experience more of San Juan and beyond.

  • Reserving your vehicle from Luis Munoz Marin International Airport around two weeks ahead of your flight from ICN to San Juan can help you secure the lowest rate.

Fernando Luis Ribas Dominicci Airport (SIG)

  • The centre of San Juan is about 8 kilometres from Fernando Luis Ribas Dominicci Airport (SIG). After your flight from Incheon International Airport to San Juan has hit the runway and you've made your way through the terminal, the drive should take about 15 minutes.

  • The trip will take about 1 hour on public transport.

  • After stepping off your ICN to San Juan flight, tuck yourself in at a hotel near SIG. These are some great options that'll help you slip into relaxation mode:

Best time to go to San Juan

  • Carefully consider your travel dates before booking your flight from Incheon International Airport to San Juan. The city comes alive during high season, but rates are generally higher and top attractions can be busy. Visit San Juan in low season for a more relaxed vibe.

  • The warmest month in San Juan is September, with temperatures ranging between 23ºC and 33ºC. Lock in your Incheon International Airport to San Juan flight ticket then if that's your ideal forecast.

  • For cooler conditions, search for a cheap ticket from ICN to San Juan in February when temperatures average between 20ºC and 28ºC.

More about San Juan

  • Start your San Juan trip right by choosing the ideal place to stay. As soon as you've booked your flight from Incheon International Airport to San Juan, check out our range of accommodation options including:

  • La Garita del morro de san juan bahia and Castillo San Felipe del Morro are a couple of major attractions to put on your San Juan itinerary. Continue your sightseeing adventures at Fortaleza Street.

Explore more of Puerto Rico

  • San Juan has loads to offer, but there are so many other parts of Puerto Rico waiting to be explored. About 113 kilometres west of San Juan, a trip to Aguadilla will keep your itinerary busy. Start with leading attractions like El Parterre, Aguadilla Ice Skating Arena and Bandera de los Reyes Magos.

  • If you're eager to discover another side of Puerto Rico, head for Isabela, roughly 105 kilometres west of San Juan. Amarillo Mango, Urb. Llanos Piscina Park and Noches de Artesania are among its highlights.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.