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Cheap flights from Saint Thomas Island to San Juan from $98

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Saint Thomas Island to San Juan departing on 9/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Saint Thomas Island to San Juan

Cheap round-trip flights

Enter your travel dates to find the best prices.
JetBlue Logo
3:45 pm - 4:27 pm
STT
-
SJU
0h 42mnonstop
JetBlue Logo
2:55 pm - 3:32 pm
SJU
-
STT
0h 37mnonstop
$159JetBlue
Thu, Jul 23 - Tue, Aug 11
JetBlue Logo
4:27 pm - 5:11 pm
STT
-
SJU
0h 44mnonstop
JetBlue Logo
2:05 pm - 2:41 pm
SJU
-
STT
0h 36mnonstop
$179JetBlue
Thu, Sep 3 - Thu, Sep 17
JetBlue Logo
4:27 pm - 5:11 pm
STT
-
SJU
0h 44mnonstop
JetBlue Logo
2:40 pm - 3:17 pm
SJU
-
STT
0h 37mnonstop
$189JetBlue
Mon, Aug 17 - Sat, Aug 22
JetBlue Logo
4:54 pm - 5:36 pm
STT
-
SJU
0h 42mnonstop
JetBlue Logo
3:19 pm - 3:54 pm
SJU
-
STT
0h 35mnonstop
$197JetBlue
Tue, Oct 20 - Thu, Oct 22
JetBlue Logo
3:45 pm - 4:27 pm
STT
-
SJU
0h 42mnonstop
JetBlue Logo
2:10 pm - 2:48 pm
SJU
-
STT
0h 38mnonstop
$204JetBlue
Thu, Jul 23 - Thu, Jul 30
JetBlue Logo
3:48 pm - 4:30 pm
STT
-
SJU
0h 42mnonstop
JetBlue Logo
2:32 pm - 3:09 pm
SJU
-
STT
0h 37mnonstop
$219JetBlue
Sat, Jul 25 - Fri, Jul 31
JetBlue Logo
3:45 pm - 4:27 pm
STT
-
SJU
0h 42mnonstop
JetBlue Logo
2:40 pm - 3:17 pm
SJU
-
STT
0h 37mnonstop
$227JetBlue
Thu, Jul 30 - Sat, Aug 8
JetBlue Logo
3:45 pm - 4:27 pm
STT
-
SJU
0h 42mnonstop
JetBlue Logo
2:10 pm - 2:48 pm
SJU
-
STT
0h 38mnonstop
$234JetBlue
Thu, Jul 30 - Mon, Aug 3
JetBlue Logo
4:08 pm - 4:50 pm
STT
-
SJU
0h 42mnonstop
JetBlue Logo
2:55 pm - 3:32 pm
SJU
-
STT
0h 37mnonstop
$239JetBlue
Tue, Jul 28 - Thu, Aug 6
JetBlue Logo
4:08 pm - 4:50 pm
STT
-
SJU
0h 42mnonstop
JetBlue Logo
2:55 pm - 3:32 pm
SJU
-
STT
0h 37mnonstop
$242JetBlue
Tue, Jul 28 - Sun, Aug 9

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JetBlue flights from Saint Thomas Island to San Juan Luis Munoz Marin Intl Airport

Our best JetBlue deals on Saint Thomas Island to San Juan Luis Munoz Marin Intl Airport flight tickets
JetBlue
Sep 3
STT4:27 pmSaint Thomas Island Cyril E King
0h 44m
SJU5:11 pmSan Juan Luis Munoz Marin Intl
Sep 17
SJU2:05 pmSan Juan Luis Munoz Marin Intl
0h 36m
STT2:41 pmSaint Thomas Island Cyril E King
$179
JetBlue
Aug 17
STT4:27 pmSaint Thomas Island Cyril E King
0h 44m
SJU5:11 pmSan Juan Luis Munoz Marin Intl
Aug 22
SJU2:40 pmSan Juan Luis Munoz Marin Intl
0h 37m
STT3:17 pmSaint Thomas Island Cyril E King
$189
JetBlue
Jul 23
STT3:45 pmSaint Thomas Island Cyril E King
0h 42m
SJU4:27 pmSan Juan Luis Munoz Marin Intl
Jul 30
SJU2:10 pmSan Juan Luis Munoz Marin Intl
0h 38m
STT2:48 pmSaint Thomas Island Cyril E King
$204

Cape Air flights from Saint Thomas Island to San Juan Luis Munoz Marin Intl Airport

Our best Cape Air deals on Saint Thomas Island to San Juan Luis Munoz Marin Intl Airport flight tickets
Cape Air
Jun 18
STT5:45 pmSaint Thomas Island Cyril E King
0h 35m
SJU6:20 pmSan Juan Luis Munoz Marin Intl
Jun 21
SJU2:22 pmSan Juan Luis Munoz Marin Intl
0h 35m
STT2:57 pmSaint Thomas Island Cyril E King
$331
Cape Air
Jun 18
STT5:45 pmSaint Thomas Island Cyril E King
0h 35m
SJU6:20 pmSan Juan Luis Munoz Marin Intl
Jun 21
SJU2:22 pmSan Juan Luis Munoz Marin Intl
0h 35m
STT2:57 pmSaint Thomas Island Cyril E King
$332
Cape Air
Jun 19
STT3:00 pmSaint Thomas Island Cyril E King
0h 35m
SJU3:35 pmSan Juan Luis Munoz Marin Intl
Jun 21
SJU2:22 pmSan Juan Luis Munoz Marin Intl
0h 35m
STT2:57 pmSaint Thomas Island Cyril E King
$368

momondo Fare Finder

 
Customize your flight search to find flights from Saint Thomas Island to San Juan Luis Munoz Marin Intl Airport that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated June 11, 2026.
Use the filters below to find and compare flights from Saint Thomas Island to San Juan Luis Munoz Marin Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Saint Thomas IslandSan Juan

STT - SJU

STTSJU

Saint Thomas Island Cyril E King

Thu 7/23

3:45 pm-4:27 pm

Nonstop0h 42m

San Juan Luis Munoz Marin Intl

Tue 8/11

2:55 pm-3:32 pm

Nonstop0h 37m

$159

Saint Thomas IslandSan Juan

STT - SJU

STTSJU

Saint Thomas Island Cyril E King

Thu 9/3

4:27 pm-5:11 pm

Nonstop0h 44m

San Juan Luis Munoz Marin Intl

Thu 9/17

2:05 pm-2:41 pm

Nonstop0h 36m

$179

Saint Thomas IslandSan Juan

STT - SJU

STTSJU

Saint Thomas Island Cyril E King

Mon 8/17

4:27 pm-5:11 pm

Nonstop0h 44m

San Juan Luis Munoz Marin Intl

Sat 8/22

2:40 pm-3:17 pm

Nonstop0h 37m

$189
Quickest round-trip

Saint Thomas IslandSan Juan

STT - SJU

STTSJU

Saint Thomas Island Cyril E King

Tue 10/20

4:54 pm-5:36 pm

Nonstop0h 42m

San Juan Luis Munoz Marin Intl

Thu 10/22

3:19 pm-3:54 pm

Nonstop0h 35m

$197

Saint Thomas IslandSan Juan

STT - SJU

STTSJU

Saint Thomas Island Cyril E King

Thu 7/23

3:45 pm-4:27 pm

Nonstop0h 42m

San Juan Luis Munoz Marin Intl

Thu 7/30

2:10 pm-2:48 pm

Nonstop0h 38m

$204

Saint Thomas IslandSan Juan

STT - SJU

STTSJU

Saint Thomas Island Cyril E King

Sat 7/25

3:48 pm-4:30 pm

Nonstop0h 42m

San Juan Luis Munoz Marin Intl

Fri 7/31

2:32 pm-3:09 pm

Nonstop0h 37m

$219

Saint Thomas IslandSan Juan

STT - SJU

STTSJU

Saint Thomas Island Cyril E King

Thu 7/30

3:45 pm-4:27 pm

Nonstop0h 42m

San Juan Luis Munoz Marin Intl

Sat 8/8

2:40 pm-3:17 pm

Nonstop0h 37m

$227

Saint Thomas IslandSan Juan

STT - SJU

STTSJU

Saint Thomas Island Cyril E King

Thu 7/30

3:45 pm-4:27 pm

Nonstop0h 42m

San Juan Luis Munoz Marin Intl

Mon 8/3

2:10 pm-2:48 pm

Nonstop0h 38m

$234

Saint Thomas IslandSan Juan

STT - SJU

STTSJU

Saint Thomas Island Cyril E King

Tue 7/28

4:08 pm-4:50 pm

Nonstop0h 42m

San Juan Luis Munoz Marin Intl

Thu 8/6

2:55 pm-3:32 pm

Nonstop0h 37m

$239

Saint Thomas IslandSan Juan

STT - SJU

STTSJU

Saint Thomas Island Cyril E King

Tue 7/28

4:08 pm-4:50 pm

Nonstop0h 42m

San Juan Luis Munoz Marin Intl

Sun 8/9

2:55 pm-3:32 pm

Nonstop0h 37m

$242

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to San Juan from

How to get the cheapest flight ticket from Saint Thomas Island to San Juan Luis Munoz Marin Intl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Saint Thomas Island and San Juan Luis Munoz Marin Intl Airport?

What is the cheapest month to fly to San Juan Luis Munoz Marin Intl Airport?

If you aren’t able to travel to San Juan Luis Munoz Marin Intl Airport during the month of August, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $138.

What is the cheapest day to depart on your flight to San Juan Luis Munoz Marin Intl Airport?

On average, the least expensive day to fly to San Juan Luis Munoz Marin Intl Airport from Saint Thomas Island is on a Monday. momondo users have found tickets for Monday departures for as low as $240. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Tuesday is the most expensive day to depart from Saint Thomas Island because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $315.

What is the cheapest time of day to depart on your flight to San Juan Luis Munoz Marin Intl Airport?

The cheapest time of day to fly to San Juan Luis Munoz Marin Intl Airport is in the afternoon when flights can be purchased for as low as $231. Flights in the morning are often more expensive with an average ticket price of $334.

What is the cheapest Saint Thomas Island Cyril E King to San Juan Luis Munoz Marin Intl flight route?

Fly from Saint Thomas Island Cyril E King to San Juan Luis Munoz Marin Intl for the best Saint Thomas Island Cyril E King - San Juan Luis Munoz Marin Intl flight prices

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

You are more likely to see cheaper flights to San Juan Luis Munoz Marin Intl Airport from Saint Thomas Island when booking weeks ahead of your departure date. In general, you can expect to find flights to San Juan Luis Munoz Marin Intl Airport for around $216 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to San Juan Luis Munoz Marin Intl Airport from Saint Thomas Island for as low as $149 on momondo.

What cabin class options are available on Saint Thomas Island to San Juan Luis Munoz Marin Intl Airport flights?

There are 2 cabin classes available to choose from on Saint Thomas Island to San Juan Luis Munoz Marin Intl Airport flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Saint Thomas Island to San Juan Luis Munoz Marin Intl Airport flight prices changed over time?

As of June 2026, prices for Saint Thomas Island to San Juan Luis Munoz Marin Intl Airport flights are approximately 134% more expensive when compared to flights at the same time last year.

When to book flights from Saint Thomas Island to San Juan Luis Munoz Marin Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Saint Thomas Island to San Juan Luis Munoz Marin Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Saint Thomas Island to San Juan Luis Munoz Marin Intl Airport (STT to SJU) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Saint Thomas Island to San Juan Luis Munoz Marin Intl Airport

Best Price Found

$235

Fastest flight time

0h 44m

Direct flights

Every day
The best one-way flight to San Juan Luis Munoz Marin Intl Airport from Saint Thomas Island in the past 72 hours is $235. The best round-trip flight deal from Saint Thomas Island to San Juan Luis Munoz Marin Intl Airport found on momondo in the last 72 hours is $273.
The fastest flight from Saint Thomas Island to San Juan Luis Munoz Marin Intl Airport takes 0h 44m
Direct flights go from Saint Thomas Island to San Juan Luis Munoz Marin Intl Airport every day.
Search flight deals

Frequently asked questions about flying from Saint Thomas Island to San Juan Luis Munoz Marin Intl Airport

  • How far is Saint Thomas Island Cyril E King to San Juan Luis Munoz Marin Intl by plane?

    A flight from Saint Thomas Island Cyril E King to San Juan Luis Munoz Marin Intl will travel around 70.6 mi. 0h 44m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Saint Thomas Island Cyril E King Airport to San Juan Luis Munoz Marin Intl Airport?

    Prices for flights from Saint Thomas Island Cyril E King Airport to San Juan Luis Munoz Marin Intl Airport were last updated today.

  • How many operators does momondo search for flights from Saint Thomas Island Cyril E King Airport to San Juan Luis Munoz Marin Intl Airport?

  • How old do you have to be to fly from Saint Thomas Island Cyril E King Airport to San Juan Luis Munoz Marin Intl Airport?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Saint Thomas Island Cyril E King Airport to San Juan Luis Munoz Marin Intl Airport.

  • What documentation or ID do you need to fly to San Juan Luis Munoz Marin Intl Airport?

    The travel and health documents required for your trip to San Juan Luis Munoz Marin Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at San Juan Luis Munoz Marin Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from Saint Thomas Island to San Juan Luis Munoz Marin Intl Airport?

  • What is the most popular airline from Saint Thomas Island to San Juan Luis Munoz Marin Intl Airport?

Best airlines flying from Saint Thomas Island to San Juan Luis Munoz Marin Intl Airport

Compare and see reviews for airlines that fly from Saint Thomas Island to San Juan Luis Munoz Marin Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $45Free CancellationRating
5.6
2,898 reviews
Search Frontier flights
JetBluePriceFrom $104Free CancellationRating
7.1
2,981 reviews
Search JetBlue flights
Cape AirPriceFrom $170Free CancellationRating
9.3
33 reviews
Search Cape Air flights

  • Cape Air Flights From Saint Thomas Island to San Juan Luis Munoz Marin Intl Airport

    Across 46 Cape Air flights from Saint Thomas Island to San Juan Luis Munoz Marin Intl Airport this week, the average price was $365, with the best Cape Air deals starting from $170 round-trip. 33 users have rated Cape Air on momondo, with an average score of 9.3/10.

  • JetBlue Flights From Saint Thomas Island to San Juan Luis Munoz Marin Intl Airport

    $104 is the best JetBlue flight deal from Saint Thomas Island to San Juan Luis Munoz Marin Intl Airport found on momondo over the last 72 hours. The average JetBlue ticket price found was closer to $228, however, with flight time and availability significantly affecting the price. JetBlue (7.1/10 from 2,981 user reviews) flies into San Juan Luis Munoz Marin Intl Airport from Saint Thomas Island 48 times in an average week so prices can vary.

Traveling to a place near San Juan?

Book flights to San Juan if you plan to visit one of these locations
Carolina
Fajardo
Dorado
Luquillo
Rio Grande
Humacao
Caguas
Bayamón

Why use momondo?

Why should I use momondo to find a flight deal from Saint Thomas Island to San Juan?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Saint Thomas Island to San Juan. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Saint Thomas Island to San Juan with flexible booking policies on momondo?

momondo does allow users to show only those flights to San Juan from Saint Thomas Island which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Saint Thomas Island to San Juan?

momondo provides multiple filters to help you find the best flight to San Juan from Saint Thomas Island. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Saint Thomas Island to San Juan right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Saint Thomas Island to San Juan now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to San Juan and let you know when they change.

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