STT - SJU

Find cheap flights from Saint Thomas Island to San Juan

1 adult

KAYAK searches hundreds of travel sites at once for deals on flights to San Juan Luis Munoz Marin Intl Airport

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Saint Thomas Island to San Juan, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Saint Thomas Island to San Juan, as well as popular online travel agencies
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Cheap Flight Deals from Saint Thomas Island to San Juan (STT-SJU)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for return flights from Saint Thomas Island to San Juan that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

Recent return flight deals from Saint Thomas Island to San Juan

KAYAK's recommended return flight deals from the most popular airlines that fly from Saint Thomas Island to San Juan.
Discover the best prices for you by selecting your travel dates on KAYAK.
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STT-SJU
68 mimulti-stop
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SJU-STT
68 mimulti-stop
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Expert advice for your flight from Saint Thomas Island to San Juan

 
Snippets provided in this section are AI-generated based on a summarisation of KAYAK-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are specific to the author and reflect their authentic experience, which may vary significantly from the experience of others.
KAYAK teamed up with top travel experts to share the best tips for your journey.
Airlines
JetBlue

JetBlue's Blue Basic now allows a carry-on, aligning with other basic economy fares.


Enjoy free gate-to-gate Wi-Fi and seatback screens with live TV on JetBlue flights.

Read more about JetBlueby Harriet Baskas
Silver Airways

Silver Airways offers value-conscious pricing with no Wi-Fi or snacks, focusing on quick, efficient travel.


Choose Escape fares for great value; seat selection is separate but affordable.

Frontier

Frontier's Economy Bundle includes a carry-on and seat selection, ideal for budget-conscious travelers.


Opt for Premium Bundle for priority boarding and extra legroom, just $20 more than Economy.

Read more about Frontierby Stefanie Waldek
Airports
STT

Arrive at STT at least three hours before departure due to customs lines, especially on busy days like Saturdays.

Read more about STTby Marisa Garcia
SJU

For quick access to San Juan, taxis or Uber are efficient options, taking about 25 minutes to Old San Juan.

Read more about SJUby Gabriel Leigh
Our travel experts
Harriet Baskas

Harriet Baskas

Expert on JetBlue

Harriet Baskas

Harriet Baskas

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, 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.

Read more
Paul Rubio

Paul Rubio

Expert on Silver Airways

Paul Rubio

Paul Rubio

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 programmes, hotels, airports, and airlines. He is a contributing editor at AFAR, Condé Nast Traveler, LUXURY Magazine, and Palm Beach Illustrated.

Read more
Stefanie Waldek

Stefanie Waldek

Expert on Frontier

Stefanie Waldek

Stefanie Waldek

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 out at sea, likely en route to Antarctica or the Arctic.

Read more
Marisa Garcia

Marisa Garcia

Expert on STT

Marisa Garcia

Marisa Garcia

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, specialising in airline interiors and regulations. 10 years ago, she pivoted to journalism. She shares her insights in leading aviation, travel and business publications and on her site, FlightChic.

Read more
Gabriel Leigh

Gabriel Leigh

Expert on SJU

Gabriel Leigh

Gabriel Leigh

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.

Read more

KAYAK's insights & trends for Saint Thomas Island to San Juan flights

Get data-powered insights and trends into flights from Saint Thomas Island to San Juan to help you find the cheapest flights, the best time to fly and much more.

What’s the cheapest day of the week to fly from Saint Thomas Island to San Juan?

The average price of all round-trip flights from Saint Thomas Island to San Juan Luis Munoz Marin Intl Airport clicked on KAYAK for each day over the last 12 months.
When flying from Saint Thomas Island to San Juan, you should consider leaving on a Thursday and avoid Tuesdays if you are looking for the best rates. For your return to Saint Thomas Island, you’ll find the best rates on Fridays and the most expensive ones on Thursdays.

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

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Saint Thomas Island to San Juan Luis Munoz Marin Intl Airport, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.
The cheapest month for flights from Saint Thomas Island to San Juan Luis Munoz Marin Intl Airport is November, where tickets cost £50 (return) on average. On the other hand, the most expensive months are April and January, where the average cost of round-trip tickets is £88 and £80 respectively.

How far in advance should I book a flight from Saint Thomas Island to San Juan Luis Munoz Marin Intl Airport?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Saint Thomas Island to San Juan Luis Munoz Marin Intl Airport, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.
To get a below average price on the flight from Saint Thomas Island to San Juan Luis Munoz Marin Intl Airport, you should book around 2 weeks before departure. For the absolute cheapest price, our data suggests you should book 4 weeks before departure.

Good to know - Cheap tickets from Saint Thomas Island to San Juan

Low season

June

High season

November
Best time to beat the crowds but there is an average 16% increase in price.
Most popular time to fly and prices are also 27% lower on average.

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 return price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or returns with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking Saint Thomas Island to San Juan flights

  • Which airlines offer Wi-Fi service onboard planes from Saint Thomas Island to San Juan?

    Delta, American Airlines, and JetBlue offer inflight Wi-Fi service on the Saint Thomas Island to San Juan flight route.

  • Which aircraft models fly most regularly from Saint Thomas Island to San Juan?

    The Cessna light aircraft is the aircraft model that flies most regularly on the Saint Thomas Island to San Juan flight route.

  • Which airline alliances offer flights from Saint Thomas Island to San Juan?

    Star Alliance is the only airline alliance operating flights between Saint Thomas Island and San Juan.

  • On which days can I fly direct from Saint Thomas Island to San Juan?

    There are direct flights from Saint Thomas Island to San Juan on a daily basis.

  • How does KAYAK find such low prices on flights from Saint Thomas Island to San Juan?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Saint Thomas Island to San Juan.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Saint Thomas Island to San Juan?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to San Juan from Saint Thomas Island is likely to change within 7 days, so travellers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Saint Thomas Island to San Juan?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly to San Juan with an airline and back to Saint Thomas Island with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Saint Thomas Island to San Juan?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to San Juan from Saint Thomas Island up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

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, Frontier, JetBlue, +2 more

Cape Air, Frontier, +3 more

Tuesday

Cape Air, JetBlue, Silver Airways, +1 more

Cape Air, JetBlue, +2 more

Wednesday

Cape Air, JetBlue, Silver Airways, +1 more

Cape Air, JetBlue, +2 more

Thursday

Cape Air, JetBlue, Silver Airways, +1 more

Cape Air, JetBlue, +2 more

Friday

Cape Air, Frontier, JetBlue, +2 more

Cape Air, Frontier, +3 more

Saturday

Cape Air, JetBlue, Silver Airways, +1 more

Cape Air, JetBlue, +2 more

Sunday

Cape Air, JetBlue, Silver Airways, +1 more

Cape Air, JetBlue, +2 more

See more direct flights

Direct returns

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

Monday

Cape Air, Frontier, JetBlue, +2 more

Cape Air, Frontier, +3 more

Tuesday

Cape Air, JetBlue, Silver Airways, +1 more

Cape Air, JetBlue, +2 more

Wednesday

Cape Air, JetBlue, Silver Airways, +1 more

Cape Air, JetBlue, +2 more

Thursday

Cape Air, JetBlue, Silver Airways, +1 more

Cape Air, JetBlue, +2 more

Friday

Cape Air, Frontier, JetBlue, +2 more

Cape Air, Frontier, +3 more

Saturday

Cape Air, JetBlue, Silver Airways, +1 more

Cape Air, JetBlue, +2 more

Sunday

Cape Air, JetBlue, Silver Airways, +1 more

Cape Air, JetBlue, +2 more

See more direct flights
See more direct flights

Top 3 airlines serving from Saint Thomas Island to San Juan

 
See real verified KAYAK customer reviews for airlines flying from Saint Thomas Island to San Juan. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Saint Thomas Island to San Juan? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.3
JetBlueOverall score based on 2922 reviews
7.3Entertainment
7.6Comfort
8.0Crew
7.5Boarding
6.7Food
Airline reviews

Excellent. Although they used to greet me as a mosaic member and provide a free drink, early boarding helps me to keep coming back to JetBlue.

10.0 ExcellentAnonymous, Apr 2025LGA - FLL
Read more JetBlue reviews

Excellent. Although they used to greet me as a mosaic member and provide a free drink, early boarding helps me to keep coming back to JetBlue.

Great flight. Departed early, arrived early. However they were out of meals for sale. Also, we arrived early and the gate was not available so we sat on the taxiway for quite a while (not JetBlue’s fault).

The inflight system with their wifi is a hot mess and doesn't work. Separately they do, but when you try to do theoretically simple things like pair a device for control it all falls apart

The regular feedback of any changes to our flights. The Jetblue staff were very helpful. Our flights were great. Lots of leg room!

It took 1-1/2 hours to get our luggage after we landed. That to me is unacceptable

Very well organized both boarding and deplaning. Very satisfied with the service I received.

Flight was on time arrived at the destination 10min early they kept in touch via email

Communication with the customer and stay is important. Staff off with a minor inconvenience but it worked out of course. Also this was a very old Mint Class plane. They snuck this one in on us. The updated aircraft are much better.

In flight on demand didn't work at our seats. Only a single beverage/snack run.

Little snafu at boarding. Staff communicated with gate poorly. Flight attendant was rude making disembark early. This was an older mint class. Needs an overhaul for sure. Food was good. The male flight attendant was really nice.

It was a no frills flight. Would have liked to be able to charge my device

The flight left over two hours late. They charged me $180 to bring a carry on. There was an error with the spelling of my name and Frontair agent lied that I would need to pay $200 for her to fix the spelling, and pressured me that if I don't do it quick I would lose the flight. I called back and another agent said it costs $75 to fix. All in all, this company is a complete scam.

Very easy with the app to board and staff skills

I took my first and last flight with FRONTIER. The seats are not able to be reclined so it’s not a very comfortable experience when you take a flight of 3 hours or longer. You must pay for your luggage either carry on or check in, so taking all this in consideration at the end what you think you’re saving your paying in services that should be included. Not a beverage in sight. . You’re seriously better off getting on a proper airline such as Delta, AA, United, etc.

Horrible and worse flight ever. Was left at the airport in SJU by my flight to JFK after several delay at Santa Domingo. Will never recommend Frontier to any one. After leaving, frontier customer service ask me to rebook and pay for another flight to from SJU to JFK. Worse airline ever. You pay for everything with frontier airline.

Frontier notifying me earlier of flight delay of over 2 hours.

Although we received an email from Kayak AND the airline, turns out we were not on Frontier’s manifest for the flight. We had to purchase tickets at the gate. Not sure where this transaction fell apart, but it did. We are now disputing the charges for the SLC to PDX flight originally booked through Kayak.

I went to the Frontier counter in San Jose at 1030am or so on Sunday 10/13/24 to see if I could get an earlier flight to San Diego in lieu of my reserved 630pm flight. One thing led to another, and I was able to obtain an open seat for about $ 56. on the earlier flight. Fine. Then the agent asked if I "was checking a bag". Not knowing that carry-ons cost extra per Frontier policy, I thought that she meant a regular checked bag. Therefore, I said no. Once I got to the gate, the same gate agent who sold me a ticket told me that I had to pay $99 for a carry-on, and that all bags were extra on Frontier. Having never flown on Frontier, I was not aware of this. Part of the issue was that she was not a native English speaker, so there was a miscommunication as to what "bag" meant. I would have preferred for her to have clearly let me know at the front counter that any bag including a carry-on cost $99. It would have had the same outcome, as I had to take my carry-on. But it got hectic at the last minute at the gate itself. The baggage policy should have mentioned "including carry-ons" when we first spoke.

Stuck in Phoenix for two days, not even a hotel voucher offered.

Among the worst flights I’ve taken. Never again. Staff was horrible across the entire Frontier workforce. Flight attendants were legitimately yelling at and arguing with each other while on board - toxic environment (really guys? at work and in front of customers no less?). Frontier intentionally assigned my partner and I (who booked together) to opposite ends of the plane despite plenty of seats together - straight up predatory practices to take people’s money. Seats are legit the absolute worst. Not even free coffee. Absolute garbage airline with wild hidden fees and the worst staff in the business. They will for sure have a deadly accident soon. Never again, not for any where not for any price.

The outgoing flight tpa to fll was seriously delayed due to a frontal system impacting the incoming flight from key west. Weather is not under the control of the airline, better to arrive late than never! Thank you Silver Airways for your caution.

They canceled the flight and no longer fly out of Orlando. Trying to get my money refunded. Lost a night I paid for in Key West.

There was no serving off food on the flight being that it was so short.

The flight was VERY, VERY hot and the blowers weren't cooling it off...don't know what the problem was, but.....otherwise it was fine.

My flight from Avianca was 45 minutes late and it's very complicated to recheck in in ...also I have to say the silver desk folks were neither efficient nor helpful...so I missed my connecting flight. I actually got there before tge flight left but they refused to let me on....and gave me no vouchers for hotel etc

The cancelled our flight 3 times and we never made it to our destination. Every single airplane had a maintenance problem. Never fly this airline

9 hrs wait in airport then flt redirected to airport an hour away from our booked airport. Then at 8:00pm flight Cancelled. Silver supposed to book us on American the next day. Booked my husband but not me. Cost me Ubers, hotel, meals, new ticket and 1 hour taxi Cuz no flights to our home airport. Absolute disaster. Silver staff had no idea what was going on or what to do. Never Again Silver

Nothing about this flight was good. They are always cancelling or grossly delayed. We were delayed for 45 minutes for no apparent reason with no explanation or anything we could see and I missed my connection to Durham NC. I was on my way to my best friends memorial and funeral. Now I'll missed them both!!

Total disaster! The easiest flight was kept delayed till … cancelled! And before official announcement of the flight cancellation I was offered to join ongoing boarding to FLL so I had to change all my traveling plans, have lost my car reservation and a payed spot at the meeting I was going for to begin with! I had to no show to my flight back, because it was from different airport again!

The worst experience we had traveling. The worst experience we have had traveling. The service is lousy, I will NEVER choose this airline again.

Everything you need to know for your flight from Saint Thomas Island to San Juan

Information on your arrival and departure airports

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