STT - SJU

$115 Find Cheap Flights from Saint Thomas Island to San Juan - Compare and Save

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Everything you should know

Cheapest round-trip
$209
Typical prices: $188-$325
JetBlue
Mon 10/1Thu 10/4
STT - SJU • Non-stop
Cheapest one-way
$115
Typical prices: $153-$259
JetBlue
Wed 12/5
STT - SJU • Non-stop
Nonstop flights
You can fly direct with Cape Air and JetBlue. Average duration is 0h 37m
Direct flights
+1
Direct flights
+1
When to book
in advance
Our data shows that travelers who book at least 25 weeks in advance save around 54% compared to booking last minute.
Insights
Insights
When to travel
Cheapest • 37% price drop
Most popular
Good to know
+1
Good to know
+1
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We hope you love your trip to San Juan Luis Munoz Marin Intl Airport!
Flight Deals
Booking Insights
Expert advice
Flight Deals

Cheap Flights from Saint Thomas Island to San Juan (STT-SJU)

 
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Saint Thomas Island to San Juan

Thu, Oct 1 - Sun, Oct 4
JetBlue Logo
3:00 pm - 3:44 pmSTT  Saint Thomas Island Cyril E King-SJU San Juan Luis Munoz Marin Intl
0h 44mnonstop
JetBlue Logo
1:25 pm - 2:01 pmSJU  San Juan Luis Munoz Marin Intl-STT Saint Thomas Island Cyril E King
0h 36mnonstop
$209JetBlue
Fri, Nov 6 - Mon, Nov 9
JetBlue Logo
5:59 pm - 6:43 pmSTT  Saint Thomas Island Cyril E King-SJU San Juan Luis Munoz Marin Intl
0h 44mnonstop
JetBlue Logo
4:30 pm - 5:08 pmSJU  San Juan Luis Munoz Marin Intl-STT Saint Thomas Island Cyril E King
0h 38mnonstop
$209JetBlue
Sat, Oct 10 - Thu, Oct 15
JetBlue Logo
4:54 pm - 5:36 pmSTT  Saint Thomas Island Cyril E King-SJU San Juan Luis Munoz Marin Intl
0h 42mnonstop
JetBlue Logo
3:19 pm - 3:54 pmSJU  San Juan Luis Munoz Marin Intl-STT Saint Thomas Island Cyril E King
0h 35mnonstop
$209JetBlue
Sun, Oct 4 - Wed, Oct 7
JetBlue Logo
3:00 pm - 3:44 pmSTT  Saint Thomas Island Cyril E King-SJU San Juan Luis Munoz Marin Intl
0h 44mnonstop
JetBlue Logo
1:25 pm - 2:01 pmSJU  San Juan Luis Munoz Marin Intl-STT Saint Thomas Island Cyril E King
0h 36mnonstop
$209JetBlue
Tue, Sep 22 - Sat, Sep 26
Multiple Airlines Logo
3:00 pm - 3:44 pmSTT  Saint Thomas Island Cyril E King-SJU San Juan Luis Munoz Marin Intl
0h 44mnonstop
Multiple Airlines Logo
11:48 am - 12:23 pmSJU  San Juan Luis Munoz Marin Intl-STT Saint Thomas Island Cyril E King
0h 35mnonstop
$294Multiple Airlines
Fri, Dec 4 - Mon, Dec 7
Multiple Airlines Logo
8:39 am - 9:14 amSTT  Saint Thomas Island Cyril E King-SJU San Juan Luis Munoz Marin Intl
0h 35mnonstop
Multiple Airlines Logo
1:05 pm - 1:43 pmSJU  San Juan Luis Munoz Marin Intl-STT Saint Thomas Island Cyril E King
0h 38mnonstop
$298Multiple Airlines
Sat, Sep 26 - Sun, Sep 27
Multiple Airlines Logo
5:40 pm - 6:15 pmSTT  Saint Thomas Island Cyril E King-SJU San Juan Luis Munoz Marin Intl
0h 35mnonstop
Multiple Airlines Logo
1:25 pm - 2:01 pmSJU  San Juan Luis Munoz Marin Intl-STT Saint Thomas Island Cyril E King
0h 36mnonstop
$298Multiple Airlines
Fri, Nov 27 - Mon, Nov 30
Cape Air Logo
5:40 pm - 6:15 pmSTT  Saint Thomas Island Cyril E King-SJU San Juan Luis Munoz Marin Intl
0h 35mnonstop
Cape Air Logo
7:15 am - 7:50 amSJU  San Juan Luis Munoz Marin Intl-STT Saint Thomas Island Cyril E King
0h 35mnonstop
$362Cape Air
Fri, Nov 27 - Mon, Nov 30
Cape Air Logo
5:40 pm - 6:15 pmSTT  Saint Thomas Island Cyril E King-SJU San Juan Luis Munoz Marin Intl
0h 35mnonstop
Cape Air Logo
7:15 am - 7:50 amSJU  San Juan Luis Munoz Marin Intl-STT Saint Thomas Island Cyril E King
0h 35mnonstop
$367Cape Air
Fri, Nov 27 - Sun, Nov 29
Cape Air Logo
8:39 am - 9:14 amSTT  Saint Thomas Island Cyril E King-SJU San Juan Luis Munoz Marin Intl
0h 35mnonstop
Cape Air Logo
12:15 pm - 12:50 pmSJU  San Juan Luis Munoz Marin Intl-STT Saint Thomas Island Cyril E King
0h 35mnonstop
$368Cape Air
Booking Insights

Price, demand and travel trends for Saint Thomas Island to San Juan Luis Munoz Marin Intl Airport flights

Use KAYAK data on prices, travel dates, airlines and seasonal trends to compare options and book flights from Saint Thomas Island to San Juan Luis Munoz Marin Intl Airport with more confidence.

How much is a round-trip flight from Saint Thomas Island to San Juan Luis Munoz Marin Intl Airport?

Round-trip flights from Saint Thomas Island to San Juan Luis Munoz Marin Intl Airport start at $209. Prices are typical for this route right now, with typical round-trip fares ranging from $188 to $325. The lowest price found in the past 5 days was $209 on JetBlue.

What's the cheapest day of the week to fly from Saint Thomas Island to San Juan Luis Munoz Marin Intl Airport?

Sunday is the cheapest day of the week to fly from Saint Thomas Island to San Juan Luis Munoz Marin Intl Airport, it is 12% cheaper than the average day. Thursday is the most expensive day with flight prices 5% higher than average. Based on deals found by KAYAK users in the last 12 months.

What is the cheapest month to fly from Saint Thomas Island to San Juan Luis Munoz Marin Intl Airport?

  • November is the cheapest month to fly from Saint Thomas Island to San Juan Luis Munoz Marin Intl Airport at $168 round-trip.
  • June ($328) and May ($289) are the most expensive months.
  • The price difference between flying in the cheapest and most expensive months is 95% on average.
This is based on KAYAK aggregated and averaged internal data over the past 12 months.

When are prices from Saint Thomas Island to San Juan Luis Munoz Marin Intl Airport the cheapest?

Flights from Saint Thomas Island to San Juan Luis Munoz Marin Intl Airport are cheapest 25 weeks before departure. Booking in this window typically costs about 54% less than the average last-minute fare (within 2 weeks of the flight), based on KAYAK data.

Expert advice

Expert advice for your flight from Saint Thomas Island to San Juan

 
KAYAK teamed up with top travel experts to share the best tips for your journey.
Our travel experts
Stefanie Waldek

Stefanie Waldek

Expert on Frontier

Stefanie Waldek is a freelance space, travel, and design writer based in Saratoga Springs, NY. Her words have appeared in Space.com, Travel + Leisure, Condé Nast Traveler, Architectural Digest, and House Beautiful, among other publications. An expert in aviation and expedition cruising, Stefanie is frequently up in the air or on the sea, likely en route to Antarctica or the Arctic.

Paul Rubio

Paul Rubio

Expert on Silver Airways

Travel journalist and photographer Paul Rubio is a Miami native (and current resident), who has lived in nine countries and traveled to 137. He is an expert in luxury travel, eco-travel, loyalty programs, hotels, airports and airlines. He is a contributing editor at AFAR, Condé Nast Traveler, LUXURY Magazine, and Palm Beach Illustrated.

Harriet Baskas

Harriet Baskas

Expert on JetBlue

Harriet is an award-winning journalist who is happiest in an airport or an unusual museum. Her stories about airports, air travel, and the business of travel have appeared on NBC News, CNBC, USA TODAY, The Points Guy and other outlets. She is the creator of the StuckatTheAirport.com blog and the author of nine books. When not out on the road or exploring the latest airport amenities, she’s home in Seattle getting ready for the next adventure.

Marisa Garcia

Marisa Garcia

Expert on STT

Marisa knows planes inside and out, spending 16 years working on aircraft in hangars at airports around the world. She is an aviation industry expert, specialized in airline interiors and regulations. Ten years ago, she pivoted to journalism. She shares her insights in leading aviation, travel, and business publications and on her site FlightChic.

Gabriel Leigh

Gabriel Leigh

Expert on SJU

Gabriel is a writer and video creator. As senior content producer for Flightradar24 and Monocle’s transport correspondent, he keeps a close eye on aviation in particular. He has also written travel articles for the likes of The New York Times. Born in New York but raised around the world, he now lives in Sweden. He’s been to 75 countries, flying 2.3 million miles on 113 airlines and through 234 airports in the process.

Key details for Saint Thomas Island to San Juan Luis Munoz Marin Intl Airport flights

Low season

October

Cheapest flight

$115
Best time to beat the crowds but there is an average 7% increase in price.
Most popular time to fly and prices are also 8% lower on average.
Flight from Saint Thomas Island to San Juan Luis Munoz Marin Intl Airport

When to book flights from Saint Thomas Island to San Juan

Are your dates flexible? Find out the best times to travel from Saint Thomas Island to San Juan based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price

Your Saint Thomas Island to San Juan Luis Munoz Marin Intl Airport flight questions, answered

Find helpful route details based on KAYAK data, including flight times, airports, airlines and booking questions.

  • Which airlines offer extra legroom and free seat selection on Saint Thomas Island to San Juan Luis Munoz Marin Intl Airport flights?

    Among airlines operating Saint Thomas Island to San Juan Luis Munoz Marin Intl Airport flights:

    • Cape Air: offers free seat selection
    • JetBlue: offers free seat selection

    Extra legroom and free seat selection availability depends on fare class and route.

  • What airlines are available from Saint Thomas Island to San Juan Luis Munoz Marin Intl Airport?

    2 airlines operate flights between Saint Thomas Island and San Juan Luis Munoz Marin Intl Airport. The airlines offering nonstop flights on this route include:

    • Cape Air
    • JetBlue

  • Which airports can I use when flying from Saint Thomas Island to San Juan Luis Munoz Marin Intl Airport?

    Flights from Saint Thomas Island to San Juan Luis Munoz Marin Intl Airport usually depart from Saint Thomas Island Cyril E King (STT) and arrive at San Juan Luis Munoz Marin Intl (SJU).

  • Which airlines include bags at no extra cost on Saint Thomas Island to San Juan Luis Munoz Marin Intl Airport flights?

    Here are some options for this route, based on selected ticket types and cabin classes:

    • JetBlue: a cabin bag and a checked bag in Economy Class
    • Cape Air: a cabin bag in Economy Class class

    Bag allowance can vary by ticket type, cabin class, route and airline, so travelers should check the fare details before booking.

  • What cabin classes can I book on flights from Saint Thomas Island to San Juan Luis Munoz Marin Intl Airport?

    Two cabin classes are available on flights from Saint Thomas Island to San Juan Luis Munoz Marin Intl Airport:

    • Economy Class
    • Premium Economy Class

  • What is the standard checked-bag allowance on flights from Saint Thomas Island to San Juan Luis Munoz Marin Intl Airport?

    There is no standard. Checked-bag policies vary by airline on this route. Most carriers charge $30–$100 for the first checked bag in economy. Premium fares and elite-status bookings typically include a free checked bag.

  • Which aircraft model is used most often on flights from Saint Thomas Island to San Juan Luis Munoz Marin Intl Airport?

    The Cessna light aircraft family is used most often on this route, operated mainly by Cape Air and JetBlue. Other aircraft seen on the route include Tecnam P2012 Traveler variants.

  • Can I save money by using flexible dates for flights from Saint Thomas Island to San Juan Luis Munoz Marin Intl Airport?

    On the Saint Thomas Island to San Juan Luis Munoz Marin Intl Airport route, being flexible with your departure day can save you up to 16%. Sunday is the cheapest day at $238 round-trip on average, while Thursday is the most expensive at $282: a $44 difference. Cheaper weekend fares like these are typical of routes dominated by weekday business travel.

  • How are flight departures from Saint Thomas Island to San Juan Luis Munoz Marin Intl Airport spread across the day?

    Afternoon is the busiest departure period on Saint Thomas Island to San Juan Luis Munoz Marin Intl Airport flights, with 50% of flights leaving in that window. Morning departures account for 25%, evening flights for 25%, and night flights for 0%.

  • What popular places can I visit in San Juan Luis Munoz Marin Intl Airport?

    Some of the most popular sights in San Juan Luis Munoz Marin Intl Airport are Viejo San Juan, Condado Beach and Puerto Rico Convention Center. These are among the most viewed places in San Juan Luis Munoz Marin Intl Airport on KAYAK.

  • What are the earliest and latest flights from Saint Thomas Island to San Juan Luis Munoz Marin Intl Airport?

    These are the earliest and latest flight times available from Saint Thomas Island to San Juan Luis Munoz Marin Intl Airport:

    • Earliest: departs at 8:39 am and lands at 9:16 am
    • Latest: departs at 5:59 pm and lands at 6:36 pm.

    The flight takes about 0h 37m.

  • How expensive are last-minute Saint Thomas Island to San Juan Luis Munoz Marin Intl Airport flights?

    Last-minute fares on this route - booked within 2 weeks of departure - run 11% above the route average of $268. Book 25 weeks before departure for the lowest fares.

  • How long is a flight from Saint Thomas Island to San Juan Luis Munoz Marin Intl Airport?

    A nonstop flight from Saint Thomas Island to San Juan Luis Munoz Marin Intl Airport takes 0h 37m, covering 68 miles.

  • Do I need a passport to fly from Saint Thomas Island to San Juan Luis Munoz Marin Intl Airport?

    Yes, a valid passport is required for this international route. Many destinations require at least six months of validity beyond your travel dates. Check your passport expiry well before booking.

  • Have flight prices from Saint Thomas Island to San Juan Luis Munoz Marin Intl Airport changed much recently?

    Yes. Based on fares seen in the past 5 days, round-trip prices on this route showed a wide range, from about $209 to $1,296. That means the highest observed fare was about 6x higher than the lowest one.

  • How are flight prices from Saint Thomas Island to San Juan Luis Munoz Marin Intl Airport looking right now?

    One-way fares from Saint Thomas Island to San Juan Luis Munoz Marin Intl Airport are currently lower than usual. Average one-way flight prices are about $165, which is 18% below the typical average for this route.

  • What car rental options are available at San Juan Luis Munoz Marin Intl Airport (SJU)?

    San Juan Luis Munoz Marin Intl Airport (SJU) hosts 5 major car rental companies, with daily rates starting from around $4 for economy cars. Top options include:
    · Routes Car & Truck Rentals
    · U-Save
    · Payless
    · Hertz
    · Europcar

  • How much should I expect to pay for a Saint Thomas Island to San Juan Luis Munoz Marin Intl Airport flight?

    Round-trip flights from Saint Thomas Island to San Juan Luis Munoz Marin Intl Airport range from $188 to $325, with an average of $268 over the past 12 months. Anything below $188 counts as a good deal.

Your guide to booking Saint Thomas Island to San Juan Luis Munoz Marin Intl Airport flights

Get tips on when to book, when to fly and what to know before your trip.
  • If your dates can be flexible, aim for a Sunday departure instead of Thursday. On this route, Sunday flights average $238 - about $44 less than Thursday (16% savings) based on the last 12 months.
  • For the best chance at a low fare, aim to book around 25 weeks before you fly. On this route, that window historically saves about 54% versus last-minute pricing (KAYAK booking data, last 12 months).
  • If you can choose when to travel, plan your Saint Thomas Island to San Juan Luis Munoz Marin Intl Airport trip for November. Fares historically average $168 round-trip in that month - typically $160 less than the most expensive month, which is June (based on the last 12 months).
  • If you're arriving late at night and need somewhere to stay, check out these hotels close to San Juan Luis Munoz Marin Intl Airport.
    - Hampton Inn & Suites by Hilton San Juan
    - Coral by The Sea Hotel
    - San Juan Airport Hotel

Prefer to fly direct from Saint Thomas Island to San Juan?

 
Find which airlines fly direct from Saint Thomas Island Cyril E King Airport to San Juan Luis Munoz Marin Intl Airport, which days they fly and book direct flights.

Direct departures

Saint Thomas Island Cyril E King to San Juan Luis Munoz Marin Intl

Monday

Cape Air,JetBlue

Cape Air,JetBlue

Tuesday

Cape Air,JetBlue

Cape Air,JetBlue

Wednesday

Cape Air,JetBlue

Cape Air,JetBlue

Thursday

Cape Air,JetBlue

Cape Air,JetBlue

Friday

Cape Air,JetBlue

Cape Air,JetBlue

Saturday

Cape Air,JetBlue

Cape Air,JetBlue

Sunday

Cape Air,JetBlue

Cape Air,JetBlue

See more direct flights

Direct returns

San Juan Luis Munoz Marin Intl to Saint Thomas Island Cyril E King

Monday

Cape Air,JetBlue

Cape Air,JetBlue

Tuesday

Cape Air,JetBlue

Cape Air,JetBlue

Wednesday

Cape Air,JetBlue

Cape Air,JetBlue

Thursday

Cape Air,JetBlue

Cape Air,JetBlue

Friday

Cape Air,JetBlue

Cape Air,JetBlue

Saturday

Cape Air,JetBlue

Cape Air,JetBlue

Sunday

Cape Air,JetBlue

Cape Air,JetBlue

See more direct flights

More options for your flight from Saint Thomas Island to San Juan

Complete your trip to San Juan with a hotel stay or car rental