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Cheap flights from Saint Thomas Island to San Juan from $103

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 5/18. 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

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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
3:40 pm - 4:22 pm
STT
-
SJU
0h 42mnonstop
JetBlue Logo
2:07 pm - 2:42 pm
SJU
-
STT
0h 35mnonstop
$189JetBlue
Thu, Jun 4 - Mon, Jun 8
JetBlue Logo
4:27 pm - 5:11 pm
STT
-
SJU
0h 44mnonstop
JetBlue Logo
2:55 pm - 3:32 pm
SJU
-
STT
0h 37mnonstop
$199JetBlue
Tue, Jul 14 - Tue, Jul 21
JetBlue Logo
3:40 pm - 4:22 pm
STT
-
SJU
0h 42mnonstop
JetBlue Logo
2:07 pm - 2:42 pm
SJU
-
STT
0h 35mnonstop
$209JetBlue
Fri, Jun 5 - Sun, Jun 7
JetBlue Logo
1:21 pm - 2:10 pm
STT
-
SJU
0h 49mnonstop
JetBlue Logo
11:50 am - 12:26 pm
SJU
-
STT
0h 36mnonstop
$219JetBlue
Mon, Apr 20 - Wed, Apr 22
JetBlue Logo
4:16 pm - 5:00 pm
STT
-
SJU
0h 44mnonstop
JetBlue Logo
2:55 pm - 3:32 pm
SJU
-
STT
0h 37mnonstop
$229JetBlue
Sat, Aug 15 - Thu, Aug 20
JetBlue Logo
1:21 pm - 2:10 pm
STT
-
SJU
0h 49mnonstop
JetBlue Logo
11:50 am - 12:26 pm
SJU
-
STT
0h 36mnonstop
$244JetBlue
Wed, Apr 29 - Sun, May 3
JetBlue Logo
4:27 pm - 5:11 pm
STT
-
SJU
0h 44mnonstop
JetBlue Logo
2:55 pm - 3:32 pm
SJU
-
STT
0h 37mnonstop
$249JetBlue
Tue, Aug 4 - Wed, Aug 5
JetBlue Logo
4:16 pm - 5:00 pm
STT
-
SJU
0h 44mnonstop
JetBlue Logo
2:40 pm - 3:17 pm
SJU
-
STT
0h 37mnonstop
$254JetBlue
Sat, Jun 20 - Sat, Jun 27
JetBlue Logo
4:27 pm - 5:11 pm
STT
-
SJU
0h 44mnonstop
JetBlue Logo
2:55 pm - 3:32 pm
SJU
-
STT
0h 37mnonstop
$264JetBlue
Fri, Jul 17 - Sun, Jul 19
Multiple Airlines Logo
10:49 am - 11:24 pm
STT
-
SJU
12h 35m
1 stop
Multiple Airlines Logo
11:50 am - 12:26 pm
SJU
-
STT
0h 36mnonstop
$268Multiple Airlines
Fri, May 1 - Tue, May 5

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

Our best Spirit Airlines deals on Saint Thomas Island to San Juan Luis Munoz Marin Intl Airport flight tickets
Spirit Airlines
Apr 20
STT12:25 pmSaint Thomas Island Cyril E King
6h 57m
1 stop
SJU7:22 pmSan Juan Luis Munoz Marin Intl
Apr 22
SJU7:01 pmSan Juan Luis Munoz Marin Intl
14h 53m
1 stop
STT9:54 amSaint Thomas Island Cyril E King
$282
Spirit Airlines
Apr 15
STT12:25 pmSaint Thomas Island Cyril E King
6h 57m
1 stop
SJU7:22 pmSan Juan Luis Munoz Marin Intl
Apr 18
SJU2:59 amSan Juan Luis Munoz Marin Intl
6h 55m
1 stop
STT9:54 amSaint Thomas Island Cyril E King
$296
Spirit Airlines
Apr 29
STT12:25 pmSaint Thomas Island Cyril E King
6h 57m
1 stop
SJU7:22 pmSan Juan Luis Munoz Marin Intl
May 2
SJU2:59 amSan Juan Luis Munoz Marin Intl
6h 55m
1 stop
STT9:54 amSaint Thomas Island Cyril E King
$300

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
Apr 15
STT1:21 pmSaint Thomas Island Cyril E King
0h 49m
SJU2:10 pmSan Juan Luis Munoz Marin Intl
Apr 22
SJU11:50 amSan Juan Luis Munoz Marin Intl
0h 36m
STT12:26 pmSaint Thomas Island Cyril E King
$189
JetBlue
Jul 14
STT4:27 pmSaint Thomas Island Cyril E King
0h 44m
SJU5:11 pmSan Juan Luis Munoz Marin Intl
Jul 21
SJU2:55 pmSan Juan Luis Munoz Marin Intl
0h 37m
STT3:32 pmSaint Thomas Island Cyril E King
$199
JetBlue
Jun 5
STT3:40 pmSaint Thomas Island Cyril E King
0h 42m
SJU4:22 pmSan Juan Luis Munoz Marin Intl
Jun 7
SJU2:07 pmSan Juan Luis Munoz Marin Intl
0h 35m
STT2:42 pmSaint Thomas Island Cyril E King
$209

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 April 1, 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
Quickest round-trip

Saint Thomas IslandSan Juan

STT - SJU

STTSJU

Saint Thomas Island Cyril E King

Thu 6/4

3:40 pm-4:22 pm

Nonstop0h 42m

San Juan Luis Munoz Marin Intl

Mon 6/8

2:07 pm-2:42 pm

Nonstop0h 35m

$189

Saint Thomas IslandSan Juan

STT - SJU

STTSJU

Saint Thomas Island Cyril E King

Tue 7/14

4:27 pm-5:11 pm

Nonstop0h 44m

San Juan Luis Munoz Marin Intl

Tue 7/21

2:55 pm-3:32 pm

Nonstop0h 37m

$199

Saint Thomas IslandSan Juan

STT - SJU

STTSJU

Saint Thomas Island Cyril E King

Fri 6/5

3:40 pm-4:22 pm

Nonstop0h 42m

San Juan Luis Munoz Marin Intl

Sun 6/7

2:07 pm-2:42 pm

Nonstop0h 35m

$209

Saint Thomas IslandSan Juan

STT - SJU

STTSJU

Saint Thomas Island Cyril E King

Mon 4/20

1:21 pm-2:10 pm

Nonstop0h 49m

San Juan Luis Munoz Marin Intl

Wed 4/22

11:50 am-12:26 pm

Nonstop0h 36m

$219

Saint Thomas IslandSan Juan

STT - SJU

STTSJU

Saint Thomas Island Cyril E King

Sat 8/15

4:16 pm-5:00 pm

Nonstop0h 44m

San Juan Luis Munoz Marin Intl

Thu 8/20

2:55 pm-3:32 pm

Nonstop0h 37m

$229

Saint Thomas IslandSan Juan

STT - SJU

STTSJU

Saint Thomas Island Cyril E King

Wed 4/29

1:21 pm-2:10 pm

Nonstop0h 49m

San Juan Luis Munoz Marin Intl

Sun 5/3

11:50 am-12:26 pm

Nonstop0h 36m

$244

Saint Thomas IslandSan Juan

STT - SJU

STTSJU

Saint Thomas Island Cyril E King

Tue 8/4

4:27 pm-5:11 pm

Nonstop0h 44m

San Juan Luis Munoz Marin Intl

Wed 8/5

2:55 pm-3:32 pm

Nonstop0h 37m

$249

Saint Thomas IslandSan Juan

STT - SJU

STTSJU

Saint Thomas Island Cyril E King

Sat 6/20

4:16 pm-5:00 pm

Nonstop0h 44m

San Juan Luis Munoz Marin Intl

Sat 6/27

2:40 pm-3:17 pm

Nonstop0h 37m

$254

Saint Thomas IslandSan Juan

STT - SJU

STTSJU

Saint Thomas Island Cyril E King

Fri 7/17

4:27 pm-5:11 pm

Nonstop0h 44m

San Juan Luis Munoz Marin Intl

Sun 7/19

2:55 pm-3:32 pm

Nonstop0h 37m

$264

Saint Thomas IslandSan Juan

STT - SJU

STTSJU

Saint Thomas Island Cyril E King

Fri 5/1

10:49 am-11:24 pm

1 stop12h 35m

San Juan Luis Munoz Marin Intl

Tue 5/5

11:50 am-12:26 pm

Nonstop0h 36m

$268

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 May 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 $178. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Saturday 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 $282.

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 $184. Flights in the morning are often more expensive with an average ticket price of $308.

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 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 $181 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 $134 on momondo.

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

There are 4 cabin classes available to choose from on Saint Thomas Island Cyril E King to San Juan Luis Munoz Marin Intl 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 April 2026, prices for Saint Thomas Island to San Juan Luis Munoz Marin Intl Airport flights are approximately 55% 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

$194

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 $194. 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 $208.
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

  • 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 $44Free CancellationRating
5.7
3,007 reviews
Search Frontier flights
JetBluePriceFrom $89Free CancellationRating
7.2
2,906 reviews
Search JetBlue flights
Silver AirwaysPriceFrom $118Free CancellationRating
5.7
233 reviews
Search Silver Airways flights
Cape AirPriceFrom $170Free CancellationRating
9.3
34 reviews
Search Cape Air flights

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

    Across 58 Cape Air flights from Saint Thomas Island to San Juan Luis Munoz Marin Intl Airport this week, the average price was $364, with the best Cape Air deals starting from $170 round-trip. 34 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

    $89 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 $186, however, with flight time and availability significantly affecting the price. JetBlue (7.2/10 from 2,906 user reviews) flies into San Juan Luis Munoz Marin Intl Airport from Saint Thomas Island 67 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
Caguas
Humacao
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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