Cheapest airlines flights from Saint Thomas to San Juan

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

Search for direct flights from Saint Thomas to San Juan in the next 3 months. Based on Trip.com's latest 7-day flight data, one-way direct flights start at US$142, and round-trip direct flights start at US$190.

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

Saint Thomas to San Juan Flight Details

The distance between Saint Thomas and San Juan is about 109.8 km. The average flying time from Saint Thomas to San Juan is around 36 minutes. Based on Trip.com's latest data, travel demand is highest in January. The off-season for travel is August.

Cheapest one-way flight priceUS$142
Cheapest return ticket priceUS$190
Cheapest monthAugust
Peak season for travelJanuary
Flight distance109.8 km
Average flight time36 minutes
Popular airlineJetblue Airways
Flight statistics for the Saint Thomas–San Juan route are based on aggregated booking data from Trip.com over the past 12 months.

Frequently Asked Questions

  • What are the cheapest flights from Saint Thomas to San Juan (STT-SJU)?

    Based on Trip.com data, Jetblue Airways offers one-way fares as low as US$142 on Cheapest nonstop routes (e.g. STT to SJU on Wed, Jul 8), while Jetblue Airways offers Cheapest nonstop round-trips from US$190 departing on Wed, Jul 15 and returning on Mon, Jul 20.
  • At the moment, you can catch a nonstop flight from Saint Thomas to San Juan with the following airlines, including: Jetblue Airways Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.
  • It takes about 36 minutes to fly from Saint Thomas to San Juan.
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Saint Thomas to San Juan 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.
  • Based on Trip.com data in the past 4 weeks, there is 9 flight per week flying from Saint Thomas to San Juan. You can check the weekly schedule for popular airlines on this route below: Jetblue Airways: S/M/T/W/T/F/S -- B65976 (09:12)
  • To find best deals on flights from Saint Thomas to San Juan, 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, Jul 8, with one-way flights priced at just US$142.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Jetblue Airways.
    · 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 San Juan travel is around January.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from Saint Thomas to San Juan is August, when demand for travel is lower.
  • After crunching the numbers on our June flight calendar, it's currently cheapest to fly from Saint Thomas to San Juan on June 23, 2026 with Jetblue Airways, with prices starting at US$149.
  • You can land at any one of the following hubs in San Juan, with Cyril E. King Airport to Luis Munoz Marin International Airport (STT-SJU) is by far the most common option on this route: Fernando Luis Ribas Dominicci Airport (SIG) Luis Munoz Marin International Airport (SJU).
  • The time difference between San Juan and Saint Thomas is 0h.
  • 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 Saint Thomas to San Juan

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

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

Based on Trip.com’s data from the past 12 months, Frontier Airlines provides the lowest-priced direct flights from Saint Thomas to San Juan, with fares starting at US$56.

US$21
US$56
US$91
US$126
US$161
Frontier Airlines
US$56
Frontier Airlines
Silver Airways
US$101
Silver Airways
Jetblue Airways
US$161
Jetblue Airways

Which airline operates the most flights from Saint Thomas to San Juan?

Total flights from Saint Thomas to San Juan across all airlines. (Based on Trip.com data from the past month)

Based on Trip.com’s data from the past month, Jetblue Airways operates the most frequent flights from Saint Thomas to San Juan, with 69 flights per week.

0
1
35
69
Jetblue Airways
69
Jetblue Airways
Cape Air
67
Cape Air
Qatar Airways
1
Qatar Airways

How many flights fly from Saint Thomas to San Juan daily?

The data is based on the flight numbers for each day of the week from Saint Thomas to San Juan within the Trip.com database over the past month.

Based on the past month's historical data from Trip.com, the number of flights from Saint Thomas to San Juan is the highest on Friday/Saturday and the lowest on Tuesday/Wednesday.

100
81
62
43
Highest
79
Mon
62
Tue
62
Wed
68
Thu
100
Fri
100
Sat
78
Sun

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

Book with no extra fees

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.