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Flights from San Juan to Seoul

Search cheap flights from San Juan to Seoul in the next 3 months. Based on Trip.com's latest 7-day data, one-way fares start at US$733, and round-trip tickets start at US$1,526.

      • SJU 07:00
        42h 10m
        1 stop
        ICN 14:10
        San Juan - Seoul | Wed, Aug 19 | Delta Air Lines
        ICN 16:25
        32h 21m
        1 stop
        SJU 11:46
        Seoul - San Juan | Wed, Aug 26 | Korean Air
        US$1,526 US$3,011
        49% off
        49% off
        US$3,011 US$1,526
      • SJU 12:56
        26h 4m
        1 stop
        ICN 04:00
        San Juan - Seoul | Thu, Aug 20 | Delta Air Lines
        ICN 18:50
        29h 56m
        1 stop
        SJU 11:46
        Seoul - San Juan | Thu, Aug 27 | Korean Air
        US$1,791 US$3,011
        41% off
        41% off
        US$3,011 US$1,791
      • SJU 12:56
        26h 4m
        1 stop
        ICN 04:00
        San Juan - Seoul | Sun, Aug 16 | Delta Air Lines
        ICN 18:50
        31h 52m
        1 stop
        SJU 13:42
        Seoul - San Juan | Sun, Aug 23 | Korean Air
        US$1,801 US$3,011
        40% off
        40% off
        US$3,011 US$1,801
      • SJU 13:19
        39h 31m
        1 stop
        ICN 17:50
        San Juan - Seoul | Tue, Aug 18 | Delta Air Lines
        ICN 18:50
        40h 39m
        1 stop
        SJU 22:29
        Seoul - San Juan | Tue, Aug 25 | Korean Air
        US$1,885
        37% off
        US$3,011 US$1,885
      • SJU 07:30
        32h 40m
        1 stop
        ICN 05:10
        San Juan - Seoul | Wed, Sep 2 | Delta Air Lines
        ICN 18:50
        34h 45m
        1 stop
        SJU 16:35
        Seoul - San Juan | Tue, Sep 8 | Korean Air
        US$1,893
        37% off
        US$3,011 US$1,893
      • SJU 12:56
        26h 4m
        1 stop
        ICN 04:00
        San Juan - Seoul | Fri, Aug 7 | Delta Air Lines
        ICN 18:50
        40h 39m
        1 stop
        SJU 22:29
        Seoul - San Juan | Thu, Aug 13 | Korean Air
        US$1,910
        37% off
        US$3,011 US$1,910
      • SJU 07:35
        32h 35m
        1 stop
        ICN 05:10
        San Juan - Seoul | Thu, Jul 30 | Delta Air Lines
        ICN 18:50
        29h 56m
        1 stop
        SJU 11:46
        Seoul - San Juan | Wed, Aug 5 | Korean Air
        US$2,161
        28% off
        US$3,011 US$2,161
      • SJU 14:21
        37h 4m
        1 stop
        ICN 16:25
        San Juan - Seoul | Sat, Jul 25 | Delta Air Lines
        ICN 16:25
        32h 15m
        1 stop
        SJU 11:40
        Seoul - San Juan | Sun, Aug 2 | Korean Air
        US$2,171
        28% off
        US$3,011 US$2,171
      • SJU 07:30
        21h 20m
        1 stop
        ICN 17:50
        San Juan - Seoul | Sun, Aug 2 | Delta Air Lines
        ICN 18:50
        29h 56m
        1 stop
        SJU 11:46
        Seoul - San Juan | Sun, Aug 9 | Korean Air
        US$2,198
        27% off
        US$3,011 US$2,198
      • SJU 05:45
        21h 55m
        1 stop
        ICN 16:40
        San Juan - Seoul | Sun, Aug 2 | American Airlines
        ICN 18:50
        31h 52m
        1 stop
        SJU 13:42
        Seoul - San Juan | Sun, Aug 9 | Korean Air
        US$2,198
        27% off
        US$3,011 US$2,198
      • SJU 13:00
        17h 25m
        1 stop
        SEL 14:00
        San Juan - Seoul | Wed, Jul 15 | Normal Airline
        SEL 15:00
        6h
        Nonstop
        SJU 16:00
        Seoul - San Juan | Fri, Jul 17 | Normal Airline
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      • SJU 17:49
        21h 11m
        1 stop
        ICN 04:00
        San Juan - Seoul | Thu, Aug 27 | Delta Air Lines
        US$733 US$1,403
        48% off
        48% off
        US$1,403 US$733
      • SJU 17:49
        31h 21m
        1 stop
        ICN 14:10
        San Juan - Seoul | Wed, Aug 12 | Delta Air Lines
        US$744 US$1,403
        47% off
        47% off
        US$1,403 US$744
      • SJU 17:50
        22h 20m
        1 stop
        ICN 05:10
        San Juan - Seoul | Tue, Aug 18 | Delta Air Lines
        US$752 US$1,403
        46% off
        46% off
        US$1,403 US$752
      • SJU 13:10
        27h 5m
        1 stop
        ICN 05:15
        San Juan - Seoul | Fri, Jul 24 | Delta Air Lines
        US$817
        42% off
        US$1,403 US$817
      • SJU 06:00
        34h 15m
        1 stop
        ICN 05:15
        San Juan - Seoul | Tue, Jul 21 | Jetblue Airways
        US$880
        37% off
        US$1,403 US$880
      • SJU 20:10
        31h 20m
        1 stop
        ICN 16:30
        San Juan - Seoul | Tue, Jul 28 | Jetblue Airways
        US$936
        33% off
        US$1,403 US$936
      • SJU 01:00
        25h 20m
        1 stop
        ICN 15:20
        San Juan - Seoul | Wed, Sep 9 | United Airlines
        US$975
        31% off
        US$1,403 US$975
      • SJU 01:00
        25h 20m
        1 stop
        ICN 15:20
        San Juan - Seoul | Thu, Sep 10 | United Airlines
        US$977
        30% off
        US$1,403 US$977
      • SJU 07:00
        21h 50m
        1 stop
        ICN 17:50
        San Juan - Seoul | Fri, Aug 21 | Delta Air Lines
        US$997
        28% off
        US$1,403 US$997
      • SJU 06:00
        22h 50m
        1 stop
        ICN 17:50
        San Juan - Seoul | Thu, Sep 10 | Jetblue Airways
        US$1,024
        27% off
        US$1,403 US$1,024
      • SJU 13:00
        17h 25m
        1 stop
        SEL 14:00
        San Juan - Seoul | Wed, Jul 15 | Normal Airline
        Find more flights
        Find more flights

Displayed flight fares from San Juan to Seoul are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Cheapest airlines flights from San Juan to Seoul

You can choose from 1 airlines that fly from San Juan to Seoul, including United Airlines, Delta Air Lines has lowest fares on this route.
United Airlines logo United Airlines
Airlines are determined based on actual purchased flight tickets from San Juan to Seoul according to previous 12 months data from Trip.com.

San Juan to Seoul Flight Details

The distance between San Juan and Seoul is about 13,646.25 km. Based on Trip.com's latest data, travel demand is highest in January. The off-season for travel is October.

Cheapest one-way flight priceUS$733
Cheapest return ticket priceUS$1,526
Cheapest monthOctober
Peak season for travelJanuary
Flight distance13,646.25 km
Popular airlineUnited Airlines
Flight statistics for the San Juan–Seoul route are based on aggregated booking data from Trip.com over the past 12 months.

Frequently Asked Questions

  • What are the cheapest flights from San Juan to Seoul (SJU-SEL)?

    Based on Trip.com data, Delta Air Lines offers one-way fares as low as US$733 on Cheapest nonstop routes (e.g. SJU to ICN on Thu, Aug 27), while Delta Air Lines offers Cheapest nonstop round-trips from US$1,526 departing on Wed, Aug 19 and returning on Wed, Aug 26.
  • At the moment, you can catch a nonstop flight from San Juan to Seoul with the following airlines, including: United Airlines Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from San Juan to Seoul is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.
  • To find best deals on flights from San Juan to Seoul, you can use various tools on Trip.com:
    · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Thu, Aug 27, with one-way flights priced at just US$733.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Delta Air Lines.
    · Set up price alerts to easily monitor ticket prices without having to check every day.
    · Check Trip.com flight deals and promo codes frequently.
    · Avoid peak season unless you book very early. It seems the peak season for Seoul travel is around January.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from San Juan to Seoul is October, when demand for travel is lower.
  • After crunching the numbers on our July flight calendar, it's currently cheapest to fly from San Juan to Seoul on July 23, 2026 with Delta Air Lines, with prices starting at US$817.
  • You can land at any one of the following hubs in Seoul, with Luis Munoz Marin International Airport to Incheon International Airport (SJU-ICN) is by far the most common option on this route: Gimpo International Airport (GMP) Incheon International Airport (ICN).
  • The time difference between Seoul and San Juan is 13h.
  • Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.

Trip.com Airline Insights on Flights from San Juan to Seoul

Which airline offers the cheapest direct flights from San Juan to Seoul?

Data is based on the average price of all nonstop flights from San Juan to Seoul on Trip.com over the past 12 months.

Based on Trip.com’s data from the past 12 months, American Airlines provides the lowest-priced direct flights from San Juan to Seoul, with fares starting at US$520.

US$462
US$520
US$579
US$637
US$695
American Airlines
US$520
American Airlines
Air Canada
US$550
Air Canada
Delta Air Lines
US$695
Delta Air Lines

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Note: Prices shown on this page are the estimated lowest prices found in the last 24 hours and include all taxes and fees.

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Prices displayed on this page are all-inclusive (incl. taxes, fuel surcharges, Civil Aviation Development Fund, etc.), and all fees are clearly shown before you pay. Charges for checked baggage, onboard meals, Wi‑Fi, and other optional services are also included where applicable in the flight cards.

Real-time pricing updates

Prices, availability, and travel details on this page have been updated within the last 24 hours, and for many routes are refreshed in real time. The more popular the route, the more accurate and up-to-date the data.

Change & Cancellation Policy

Trip.com shows the change and cancellation rules for each ticket during the booking process, including all related fees and conditions. Please refer to the following scenarios:
Voluntary cancellation/change:
To request a change or cancellation, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and flight segment, and submit your request. Please note that additional charges may apply based on the airline’s fare rules.
Cancellation/change due to a flight schedule change:
If your flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For full details of change and cancellation policies, please refer to the customer support pages.