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Find cheap one-way flights from San Juan to Saint Thomas starting at US$18.

We've found these cheap flights for you. You can book one-way or round-trip flight tickets.

  • One way
  • Round-trip

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

When is the cheapest time to book flights from San Juan to Saint Thomas?

We monitor flight fares to help you find the best deals effortlessly

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.
Cheapest airlines flights from San Juan to Saint Thomas

Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.

Frontier Airlines
From US$18
Jetblue Airways
From US$55
Cape Air
From US$124
United Airlines
From US$479
ANA airlines

Find more flights and airlines

Find cheap flights from San Juan to Saint Thomas by different airports

Searching for potential routes that might be cheaper and faster? Check out these alternative flights from San Juan to Saint Thomas.

  • Cheapest
    Frontier Airlines
    SJU
    14:36
    0h 39m
    Direct
    STT
    15:15
    Luis Muñoz Marín International Airport - Cyril E. King Airport
    Mon, Apr 15Frontier Airlines
    US$18
  • Frontier Airlines
    SJU
    14:36
    0h 39m
    Direct
    STT
    15:15
    Luis Muñoz Marín International Airport - Cyril E. King Airport
    Mon, Apr 15Frontier Airlines
    US$18
    Find More Flights

Frequently Asked Questions

  • When are flight tickets from San Juan (SJU) to Saint Thomas (STT) the cheapest?

    Airlines adjust prices for flights from San Juan to Saint Thomas based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.
  • How much do flights from San Juan (SJU) to Saint Thomas (STT) cost?

    According to Trip.com's data, the lowest price is around $173.
  • How long does it take to fly from San Juan (SJU) to Saint Thomas (STT) and what is the distance?

    It takes around 35 minutes to fly from San Juan (SJU) to Saint Thomas (STT).
  • What is the transportation method from the main airport to downtown in Saint Thomas?

    • The distance from Cyril E. King Airport to downtown is about 8km. It takes about 20 minutes by taxi.
  • What are the most popular airlines that fly from San Juan (SJU) to Saint Thomas (STT)?

    Airlines with flights from San Juan (SJU) to Saint Thomas (STT): United Airlines, Cape Air, Jetblue Airways, Air Seoul and Silver Airways.

San Juan to Saint Thomas Flight Information

Cheapest nonstop flight price

$18

Cheapest round-trip ticket price

$39

Off-season for travel

January

Peak season for travel

September