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Flights from San Juan to Monterey

Find the cheapest flight options from San Juan to Monterey over the next three months. Book one-way tickets from SGD 567 and round-trip tickets from SGD 1,700.

      • SJU 14:25
        27h 20m
        1 stop
        MRY 13:45
        San Juan - Monterey | Tue, Dec 23 | United Airlines
        MRY 12:35
        25h 50m
        1 stop
        SJU 18:25
        Monterey - San Juan | Sun, Dec 28 | United Airlines
        SGD 1,700 SGD 2,048
        17% OFF
        17% OFF
        SGD 2,048 SGD 1,700
      • SJU 14:25
        27h 20m
        1 stop
        MRY 13:45
        San Juan - Monterey | Mon, Dec 29 | United Airlines
        MRY 12:35
        25h 50m
        1 stop
        SJU 18:25
        Monterey - San Juan | Mon, Jan 5 | United Airlines
        SGD 1,823 SGD 2,048
        11% OFF
        11% OFF
        SGD 2,048 SGD 1,823
      • SJU 13:00
        17h 25m
        1 stop
        MRY Invalid Date
        San Juan - Monterey | Fri, Dec 12 | Normal Airline
        MRY 15:00
        6h
        Direct
        SJU 16:00
        Monterey - San Juan | Sun, Dec 14 | Normal Airline
        Find More Flights
        Find More Flights
      • SJU 14:25
        26h 54m
        1 stop
        MRY 13:19
        San Juan - Monterey | Fri, Jan 16 | United Airlines
        SGD 567 SGD 946
        40% OFF
        40% OFF
        SGD 946 SGD 567
      • SJU 14:25
        27h 20m
        1 stop
        MRY 13:45
        San Juan - Monterey | Thu, Dec 18 | United Airlines
        SGD 622 SGD 946
        34% OFF
        34% OFF
        SGD 946 SGD 622
      • SJU 14:25
        26h 53m
        1 stop
        MRY 13:18
        San Juan - Monterey | Tue, Jan 20 | United Airlines
        SGD 675 SGD 946
        28% OFF
        28% OFF
        SGD 946 SGD 675
      • SJU 14:25
        26h 53m
        1 stop
        MRY 13:18
        San Juan - Monterey | Sun, Jan 25 | United Airlines
        SGD 842
        11% OFF
        SGD 946 SGD 842
      • SJU 13:00
        17h 25m
        1 stop
        MRY Invalid Date
        San Juan - Monterey | Fri, Dec 12 | Normal Airline
        Find More Flights
        Find More Flights

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

Flight details for San Juan to Monterey

The distance between San Juan and Monterey is 5,777.65 km. Based on Trip.com's data, travel demand peaks in January. The off-season for travel is August.

Cheapest one-way flight priceSGD 567
Cheapest round-trip ticket priceSGD 1,700
Off-season for travelAugust
Peak season for travelJanuary
Flight distance5,777.65 km

Find the best time to fly from San Juan to Monterey

The cheapest time for San Juan to Monterey flights: Dec 14 to Dec 21 — one way flight prices from SGD 247.

Cheapest flights
From price
Search
  • 714
  • 1421
  • 2128

  • Jan

    284
  • 411
  • 1118
  • 1825

  • Feb

    251
  • 18
  • 815
  • 1522

  • Mar

    221
Displayed fare trends are based on Trip.com's aggregated average of the lowest flight prices from San Juan to Monterey, calculated over the upcoming 10 weeks.

Flight FAQs

  • What are the cheapest flights from San Juan to Monterey (SJU-MRY)?

    Based on Trip.com data, United Airlines offers one-way fares as low as SGD 567 on Cheapest nonstop routes (e.g. SJU to MRY on Fri, Jan 16), while United Airlines offers Cheapest nonstop round-trips from SGD 1,700 departing on Tue, Dec 23 and returning on Sun, Dec 28.
  • 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 Monterey 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 Monterey, 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 Fri, Jan 16, with one-way flights priced at just SGD 567.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is United Airlines.
    · 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 Monterey travel is around January.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from San Juan to Monterey is August, when demand for travel is lower.
  • After crunching the numbers on our December flight calendar, it's currently cheapest to fly from San Juan to Monterey on December 23, 2025 with United Airlines, with prices starting at SGD 1,699.
  • The time difference between Monterey and San Juan is 4h.
  • 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.