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.
STXSJUFri, 30 Oct
Fare checked before payment All fees shown upfront Transparent cancellation policy 24×7 booking support
Lowest fareUS$239Cape Air
Fastest0h 50mgate to gate
Options found30flights on this route
Find your flightSTX → SJU
Available Flights & Fares
Compare fares, timings and baggage. Pick the flight that suits your trip.
Fare RulesNon-refundable fare. Final rules are verified before booking.
Cape Air
9K-8531
13:30
2026-10-30
St Croix Island (STX)Alex Hamilton
4H :45 M
1 Stop
STT
· 3h 46m St Thomas (STT), Virgin Islands (US)
18:15
2026-10-30
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
$342
Flight DetailsSTX to SJU - 4H :45 M
Baggage InfoCheck-in 0 Pieces - Cabin 1 Pieces
Fare RulesNon-refundable fare. Final rules are verified before booking.
Cape Air
9K-8651
11:00
2026-10-30
St Croix Island (STX)Alex Hamilton
3H :21 M
1 Stop
STT
· 2h 22m St Thomas (STT), Virgin Islands (US)
14:21
2026-10-30
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
$352
Flight DetailsSTX to SJU - 3H :21 M
Baggage InfoCheck-in 0 Pieces - Cabin 1 Pieces
Fare RulesNon-refundable fare. Final rules are verified before booking.
Cape Air
9K-8651
11:00
2026-10-30
St Croix Island (STX)Alex Hamilton
7H :15 M
1 Stop
STT
· 6h 16m St Thomas (STT), Virgin Islands (US)
18:15
2026-10-30
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
$352
Flight DetailsSTX to SJU - 7H :15 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.
Airfare Highlights
From flights departing on Fri, 30 Oct 2026.
Lowest fare$239Cape Air16:55
Earliest departure$322Cape Air07:50
Shortest duration$239Cape Air16:55
Night
00:00-05:59
No optionOpen full search for moreMorning
06:00-11:59
$259Cape Air at 09:10Afternoon
12:00-17:59
$239Cape Air at 16:55Evening
18:00-23:59
$328Cape 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 30 Oct 2026. View all flights opens the complete search result.
Ways to make this trip that you can book on FlyX, compared by price and journey time.
OptionFromJourney timeAvailabilityAction
Non-stop flight Fastest₹23,04050m2 flights
Connecting flight₹31,079Longer, includes a stop28 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 $23929 flights
Fares from
$239
Non-stop
2 in these results
Departures
29 in the list above
Route Overview & Flight Facts
Fastest flight duration
0h 50m · Cape Air
First departure of the day
07:50 · Cape Air
Last departure of the day
20:03 · Cape Air
Flight options found
30
Direct / non-stop options
2
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
The search for Fri, 30 Oct found 30 flight options, 2 of them non-stop. The first flight leaves around 07:50 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 $239, Morning from $259, Evening from $328. 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 change with airline seat availability.
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
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How to Book Cheap Flights on FlyX
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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.
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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. On the St Croix Island to San Juan dates shown on this page, the lowest fare is on a Friday at $239. This can change from week to 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. 2 non-stop flights are listed on this page for St Croix Island to San Juan. Use the Stops filter to see only those.
Which airlines fly St Croix Island to San Juan?
Cape Air is listed on this route for the dates shown here. 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 on this page 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 St Croix Island to San Juan fare on this page is $239. Fares on the same dates run up to $739, depending on airline, timing and fare type. Airline prices change often, so search your dates for the current fare.
What time do St Croix Island to San Juan flights depart?
On the dates shown here, the first departure is around 07:50 and the last 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.
Fares shown are for departures on .
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, in 30 days and in 90 days
Cheapest Fare
Fare
Date
Airline
Departure
Lowest Airfare
$239
30/10/2026
Cape Air
16:55
Cheapest Airfare Within 30 Days
$234
07/11/2026
Cape Air
16:55
Cheapest Airfare Within 90 Days
$227
06/01/2027
Cape Air
16:55
Book St Croix Island to San Juan Flight Tickets on FlyX
FlyX lists each St Croix Island to San Juan flight in these results with its fare, departure time, stops, layover airport and baggage, so you can compare air tickets side by side. To find a cheap ticket, sort by price and check what baggage the fare includes. The fare is checked with the airline again before you pay.
St Croix Island to San Juan Flight Distance, Duration and Time
The aerial distance between St Croix Island and San Juan is about 151 KM. In these results, journey times range from 50m to 22h 17m. Flights with a layover take longer because the total includes the connection time.
St Croix Island to San Juan Flight Schedule and Timing
The search for these dates returned 30 flight options, 2 of them non-stop. The first departure from St Croix Island is at 07:50 and the last is at 20:03. Flights leave 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
50m - 22h 17m
Airport Codes
St Croix Island - STX, San Juan - SJU
Total Flights Available
30 flights2 direct28 with layovers
First Flight Departure
Departs at 07:50
Last Flight Departure
Departs at 20:03
Early Morning Flights (12 AM - 8 AM)
5 flights0 direct5 with layovers
Morning Flights (8 AM - 12 PM)
12 flights1 direct11 with layovers
Afternoon Flights (12 PM - 4 PM)
4 flights0 direct4 with layovers
Evening Flights (4 PM - 8 PM)
5 flights1 direct4 with layovers
Night Flights (8 PM - 12 AM)
4 flights0 direct4 with layovers
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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St Croix Island to San Juan
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Alex Hamilton
Luis Munoz Marin Intl
