Cheap Flights from San Juan to Appleton from $137

Frequently Asked Questions

• What are the cheapest flights from San Juan to Appleton (SJU-ATW)?

  Based on Trip.com data, United Airlines offers one-way fares as low as $137 on Cheapest nonstop routes (e.g. SJU to ATW on Wed, Feb 4), while United Airlines offers Cheapest nonstop round-trips from $691 departing on Thu, Dec 11 and returning on Mon, Dec 15.

• When is the best time to book flights from San Juan to Appleton?

  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 Appleton 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.

• How can I find the best deals on flights from San Juan to Appleton?

  To find best deals on flights from San Juan to Appleton, 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 Wed, Feb 4, with one-way flights priced at just $137.
  · 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 Appleton travel is around November.
  · Get exclusive promo codes for Trip.com app users.

• When are flight tickets from San Juan (SJU) to Appleton (ATW) the cheapest?

  The cheapest months to fly from San Juan to Appleton is October, when demand for travel is lower.

• Which upcoming date is cheapest to fly from San Juan to Appleton on?

  After crunching the numbers on our December flight calendar, it's currently cheapest to fly from San Juan to Appleton on December 11, 2025 with United Airlines, with prices starting at $690.

• Is there any time difference between San Juan and Appleton?

  The time difference between Appleton and San Juan is 2h.

• How do I change or cancel my ticket from San Juan to Appleton?

  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.