Compare fares, departure times, stops and baggage details for this route, then open the full search when you are ready to check current availability and complete booking.
STXSJUSat, 03 Oct
Fare checked before payment No hidden charges Transparent cancellation policy 24×7 booking support
Lowest fareUS$188Cape Air
Fastest0h 50mgate to gate
Options found32flights on this route
Find your flightSTX → SJU
Available Flights & Fares
Compare fares, timings and baggage. Pick the flight that suits your trip.
Prices in USD
32 flight options
Fares are checked again before payment.
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Fare RulesNon-refundable fare. Final rules are verified before booking.
Cape Air
9K-8531
12:40
2026-10-03
St Croix Island (STX)Alex Hamilton
2H :55 M
1 Stop
STT
· 1h 56m St Thomas (STT), Virgin Islands (US)
15:35
2026-10-03
San Juan (SJU)Luis Munoz Marin Intl
Non Refundable 2 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
Type
Non Refundable
Fare Type
Publish
0 Pieces 1 Pieces
$380
Flight DetailsSTX to SJU - 2H :55 M
Baggage InfoCheck-in 0 Pieces - Cabin 1 Pieces
Fare RulesNon-refundable fare. Final rules are verified before booking.
Cape Air
9K-8671
17:36
2026-10-03
St Croix Island (STX)Alex Hamilton
21H :59 M
1 Stop
STT
· 21h 00m St Thomas (STT), Virgin Islands (US)
15:35
2026-10-04
San Juan (SJU)Luis Munoz Marin Intl
Non Refundable 1 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
Type
Non Refundable
Fare Type
Publish
0 Pieces 1 Pieces
$396
Flight DetailsSTX to SJU - 21H :59 M
Baggage InfoCheck-in 0 Pieces - Cabin 1 Pieces
Fare RulesNon-refundable fare. Final rules are verified before booking.
Cape Air
9K-8691
20:03
2026-10-03
St Croix Island (STX)Alex Hamilton
19H :32 M
1 Stop
STT
· 18h 33m St Thomas (STT), Virgin Islands (US)
15:35
2026-10-04
San Juan (SJU)Luis Munoz Marin Intl
Non Refundable 2 Seat Left Economy
Check-in: 0 PiecesCabin: 1 Pieces
Type
Non Refundable
Fare Type
Publish
0 Pieces 1 Pieces
$396
Flight DetailsSTX to SJU - 19H :32 M
Baggage InfoCheck-in 0 Pieces - Cabin 1 Pieces
Fare RulesNon-refundable fare. Final rules are verified before booking.
No flights match the selected filters. Clear filters or open full search.
Today's Airfare Highlights
Selected flight highlights for 03 Oct 2026.
Lowest fare$188Cape Air16:48
Earliest departure$258Cape Air09:10
Shortest duration$188Cape Air16:48
Night
00:00-05:59
No optionOpen full search for moreMorning
06:00-11:59
$258Cape Air at 09:10Afternoon
12:00-17:59
$188Cape Air at 16:48Evening
18:00-23:59
$306Cape Air at 20:03
Departure & Arrival Airport Details
St Croix Island (STX)
Alex Hamilton
Virgin Islands
GMT -4
Latitude: 17.701900482177734
Longitude: -64.79859924316406
San Juan (SJU)
Luis Munoz Marin Intl
Puerto Rico
GMT -4
Latitude: 18.4393997192
Longitude: -66.0018005371
Distance: St Croix Island (STX), Virgin Islands to San Juan (SJU), Puerto Rico - 151.33 km
Flights shown for 03 Oct 2026. View all flights opens the complete search result.
Every option we can actually book for you, compared on price and journey time.
OptionFromJourney timeAvailability
Non-stop flight Fastest₹17,97350m3 flights today
Connecting flight₹29,286Longer — includes a stop29 options
Air distance is about 151 km. FlyX does not currently sell a bus on this pair. 2 airlines operate this route.
Road distance and coach duration are approximate estimates from the air distance, not a timetable.
Airlines flying from St Croix Island to San Juan
Compare fares, stops, baggage and refundability across the airlines flying this route.
CA
Cape Air Flights
from $18829 flights
Fares from
$188
Non-stop
3 in these results
Departures
29 — compare timings in the list above
AM
American Airlines Flights
from $6603 flights
Fares from
$660
Non-stop
None in these results
Departures
3 — compare timings in the list above
Route Overview & Flight Facts
Fastest flight duration
0h 50m · Cape Air
First departure of the day
09:10 · Cape Air
Last departure of the day
20:03 · Cape Air
Options in this snapshot
32
Direct / non-stop options
3
Airport codes
St Croix Island–STX, San Juan–SJU
Fares and timings are indicative — the exact price is confirmed with the airline when you search.
Flight Schedule, Timings & Airfare Insights
Daily Flight Schedule & Travel Duration
Around 32 flights appear in the dated route snapshot, including 3 non-stop options. Departures run through the day — the first flight leaves around 09:10 and the last around 20:03. The fastest flight takes about 0h 50m.
Morning vs Evening Departure Fares
Lowest fare by departure window: Afternoon from $188, Morning from $258, Evening from $306. These observations do not predict the cheapest departure window on other dates.
Cheapest Airfare & Best Time to Book
Search your travel dates to compare current fares — prices update continuously with airline inventory.
One-Way vs Round-Trip Fare Comparison
Compare the complete cost and conditions of both options for your dates. A round-trip can have different fare and change rules from two one-way tickets. One booking may contain multiple airline PNRs; confirm baggage transfer and connection protection for separate tickets.
Online Web Check-In & Boarding Pass
Check the operating airline’s opening time and check-in deadline for each sector. Seat charges and availability depend on your fare. Use the airline reference and the links on Web Check-in.
How to Book Cheap Flights on FlyX
1
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2
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Sort or filter the St Croix Island–San Juan results by price, departure time, stops and airline.
3
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4
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5
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Why Book Your Flight with FlyX?
Compare the available St Croix Island to San Juan options by total price, stops, baggage and fare conditions. Search your dates for current availability, then review traveller details and the final price before paying.
Payment confirmation and ticket issuance are separate steps. If your booking is awaiting a PNR or ticket, follow its status and contact FlyX support when you need help. Your issued ticket contains the airline reference and itinerary. Change and cancellation charges depend on the purchased fare and any separately disclosed service fee.
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Frequently Asked Questions
Is it worth booking St Croix Island to San Juan flights in advance?
There is no guaranteed cheapest booking window. Compare your planned dates early, check nearby dates and consider baggage, connection time and change conditions as well as price. Across the dates currently loaded for St Croix Island to San Juan, Saturday shows the lowest fare at $188. That is an observed snapshot for these dates, not a rule that holds every week.
How far is St Croix Island from San Juan by air?
The direct air distance between St Croix Island (STX) and San Juan (SJU) is about 151 km. Actual flight time varies with the routing the airline files and with winds on the day.
Are there non-stop flights from STX to SJU?
Yes. 3 non-stop flights are showing on St Croix Island to San Juan for the dates currently loaded. Use the Stops filter to see only those.
Which airlines fly St Croix Island to San Juan?
Cape Air and American Airlines are showing on this route for the dates currently loaded. Fares, baggage allowance and refund rules differ by airline and by fare type, so compare the fare conditions and not only the headline price.
How long is the flight from St Croix Island to San Juan?
The quickest non-stop St Croix Island to San Juan flight currently loaded takes about 50m. Journeys with a stop take longer, since the total includes the layover.
What is the cheapest St Croix Island to San Juan flight fare?
The lowest fare showing on St Croix Island to San Juan for the dates currently loaded is $188. Fares on the same dates run up to $731, depending on airline, timing and fare type. Airline pricing moves continuously, so treat this as a dated observation rather than a fixed price.
What time do St Croix Island to San Juan flights depart?
For the dates currently loaded the first departure is around 09:10 and the last is around 20:03, local time at St Croix Island. Use the departure-time filter on the results above to narrow to a morning, afternoon or evening slot.
Why does the price change after clicking Book Now?
Airline seat inventory and fares change continuously. Selecting Book Now runs a live fare verification with the airline so the price you approve is the price you pay - if it has moved, you see the new figure before any payment.
Before you book this route
Check the airport codes STX–SJU, local departure and arrival dates, and every connecting airport. Connections can have different document and baggage requirements from your final destination.
Where these fares come from
The fares, durations, stops and baggage shown here come from real airline search results for this route. They are examples for the dates on this page, not a full timetable and not a locked price — run a search to see what is available for your own dates.
Last checked .
Check official travel requirements
Confirm passport, visa and transit rules for your nationality and full itinerary with the relevant government and operating airline. IATA travel-document information explains why requirements vary.
The STX to SJU cards above show selected flight options. Airline prices and seat availability can move quickly, so the final fare is rechecked in the booking flow.
Approx route distance: 151.33 km.
Before you book
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Lowest St Croix Island to San Juan airfare today, in 30 days and in 90 days
Cheapest Fare
Fare
Date
Airline
Departure
Lowest Airfare Today
$188
03/10/2026
Cape Air
16:48
Cheapest Airfare Within 30 Days
$184
12/10/2026
Cape Air
16:48
Cheapest Airfare Within 90 Days
$179
11/12/2026
Cape Air
16:48
Book St Croix Island to San Juan Flight Tickets on FlyX
Planning to fly from St Croix Island to San Juan? FlyX lets you compare flight rates, airline timings, layovers, and baggage allowances all in one simple list. From quick non-stop routes to flexible connecting options, finding and booking cheap air tickets has never been easier.
St Croix Island to San Juan Flight Distance, Duration and Time
The aerial distance between St Croix Island and San Juan is approximately 151 KM. The flight duration ranges from 0H :50 M up to 22H :17 M depending on whether you book a non-stop flight or a connecting schedule with layovers.
St Croix Island to San Juan Flight Schedule and Timing
Around 32 flights operate on this route, providing plenty of choices for your travel window. The earliest morning flight departs from St Croix Island at 09:10, while the last night flight leaves at 20:03. Flights depart from Alex Hamilton and land at Luis Munoz Marin Intl.
Flight Route Details & Analysis
Flight Details
Information
Route
St Croix Island to San Juan
Aerial Distance
151 KM
Flight Duration
0H :50 M - 22H :17 M
Airport Codes
St Croix Island - STX, San Juan - SJU
Total Flights Available
32 flights (3 direct)
First Flight Departure
Departs at 09:10
Last Flight Departure
Departs at 20:03
Early Morning Flights (12 AM - 8 AM)
0 direct/indirect flights
Morning Flights (8 AM - 12 PM)
7 direct/indirect flights
Afternoon Flights (12 PM - 4 PM)
5 direct/indirect flights
Evening Flights (4 PM - 8 PM)
13 direct/indirect flights
Night Flights (8 PM - 12 AM)
7 direct/indirect flights
Airport Information & Terminals
STX: St. Croix airport. Airport access in St. Croix depends on arrival time, terminal, hotel location and local traffic. Confirm the airport name on the ticket, then choose between official taxi, app cab, airport bus, rail or hotel transfer based on luggage and time of day.
SJU: San Juan airport. Airport access in San Juan depends on arrival time, terminal, hotel location and local traffic. Confirm the airport name on the ticket, then choose between official taxi, app cab, airport bus, rail or hotel transfer based on luggage and time of day.
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Alex Hamilton
Luis Munoz Marin Intl