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Cheap flights from Pennsylvania to Saint Croix from $127

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Pennsylvania to Saint Croix departing on 1/5. 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
0 bags

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Find the cheapest flights from Pennsylvania to Saint Croix

Cheap round-trip flights

Enter your travel dates to find the best prices.
Spirit Airlines Logo
5:15 am - 12:22 pmPHL-STX
6h 07m1 stop
Spirit Airlines Logo
1:27 pm - 12:32 amSTX-PHL
12h 05m1 stop
$253Spirit Airlines
Find Deal
Mon, Feb 2 - Mon, Feb 9
Spirit Airlines Logo
6:10 am - 3:58 pmPHL-STX
8h 48m1 stop
Spirit Airlines Logo
1:17 pm - 12:32 amSTX-PHL
12h 15m1 stop
$256Spirit Airlines
Find Deal
Fri, Jan 2 - Sat, Jan 10
JetBlue Logo
10:00 pm - 2:27 pmEWR-STX
15h 27m1 stop
JetBlue Logo
3:26 pm - 9:16 amSTX-EWR
18h 50m1 stop
$268JetBlue
Find Deal
Sun, Feb 22 - Tue, Mar 3
American Airlines Logo
12:00 pm - 9:31 pmPIT-STX
8h 31m1 stop
American Airlines Logo
8:30 am - 11:59 pmSTX-PIT
16h 29m1 stop
$285American Airlines
Find Deal
Sat, Jan 10 - Tue, Jan 13
JetBlue Logo
6:00 am - 4:15 pmJFK-STX
10h 15m1 stop
JetBlue Logo
5:25 pm - 6:00 amSTX-JFK
12h 35m1 stop
$286JetBlue
Find Deal
Wed, Mar 25 - Sun, Mar 29
American Airlines Logo
7:39 pm - 3:29 pmPIT-STX
18h 50m2 stops
American Airlines Logo
8:30 am - 11:10 pmSTX-PIT
15h 40m2 stops
$289American Airlines
Find Deal
Sat, Jan 10 - Tue, Jan 13
Multiple Airlines Logo
6:53 pm - 3:58 pmPHL-STX
20h 05m1 stop
Multiple Airlines Logo
4:53 pm - 11:38 pmSTX-PHL
7h 45m1 stop
$291Multiple Airlines
Find Deal
Thu, Dec 11 - Fri, Dec 19
Multiple Airlines Logo
3:10 pm - 4:46 pmPHL-STX
24h 36m1 stop
Multiple Airlines Logo
4:36 pm - 11:25 pmSTX-PHL
7h 49m1 stop
$299Multiple Airlines
Find Deal
Tue, Nov 18 - Sat, Nov 22
Delta Logo
6:00 am - 1:24 pmJFK-STX
7h 24m1 stop
Delta Logo
2:19 pm - 12:49 amSTX-JFK
10h 30m1 stop
$349Delta
Find Deal
Tue, Mar 31 - Wed, Apr 8
Delta Logo
6:00 am - 1:24 pmLGA-STX
7h 24m1 stop
Delta Logo
2:19 pm - 10:43 pmSTX-LGA
8h 24m1 stop
$433Delta
Find Deal
Tue, Mar 31 - Wed, Apr 8

Spirit Airlines flights from Pennsylvania to Saint Croix

Our best Spirit Airlines deals on Pennsylvania to Saint Croix flight tickets
Spirit Airlines
Feb 2
PHL5:15 amPhiladelphia
6h 07m
1 stop
STX12:22 pmChristiansted Henry Rohlsen
Feb 9
STX1:27 pmChristiansted Henry Rohlsen
12h 05m
1 stop
PHL12:32 amPhiladelphia
$253
Find similar
Spirit Airlines
Jan 2
PHL6:10 amPhiladelphia
8h 48m
1 stop
STX3:58 pmChristiansted Henry Rohlsen
Jan 10
STX1:17 pmChristiansted Henry Rohlsen
12h 15m
1 stop
PHL12:32 amPhiladelphia
$256
Find similar
Spirit Airlines
Nov 17
PHL6:00 amPhiladelphia
9h 46m
1 stop
STX4:46 pmChristiansted Henry Rohlsen
Nov 19
STX5:41 pmChristiansted Henry Rohlsen
7h 00m
1 stop
PHL11:41 pmPhiladelphia
$266
Find similar

Delta flights from Pennsylvania to Saint Croix

Our best Delta deals on Pennsylvania to Saint Croix flight tickets
Delta
Mar 31
JFK6:00 amNew York John F Kennedy Intl
7h 24m
1 stop
STX1:24 pmChristiansted Henry Rohlsen
Apr 8
STX2:19 pmChristiansted Henry Rohlsen
10h 30m
1 stop
JFK12:49 amNew York John F Kennedy Intl
$349
Find similar
Delta
Nov 8
JFK6:00 amNew York John F Kennedy Intl
7h 26m
1 stop
STX2:26 pmChristiansted Henry Rohlsen
Nov 15
STX3:24 pmChristiansted Henry Rohlsen
8h 56m
1 stop
JFK11:20 pmNew York John F Kennedy Intl
$370
Find similar
Delta
Mar 31
LGA6:00 amNew York LaGuardia
7h 24m
1 stop
STX1:24 pmChristiansted Henry Rohlsen
Apr 8
STX2:19 pmChristiansted Henry Rohlsen
8h 24m
1 stop
LGA10:43 pmNew York LaGuardia
$433
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Pennsylvania to Saint Croix 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 November 5, 2025.
Use the filters below to find and compare flights from Pennsylvania to Saint Croix that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PhiladelphiaChristiansted

PHL - STX

PHLSTX

Philadelphia

Mon 2/2

5:15 am-12:22 pm

1 stop6h 07m

Christiansted Henry Rohlsen

Mon 2/9

1:27 pm-12:32 am

1 stop12h 05m

$253

PhiladelphiaChristiansted

PHL - STX

PHLSTX

Philadelphia

Fri 1/2

6:10 am-3:58 pm

1 stop8h 48m

Christiansted Henry Rohlsen

Sat 1/10

1:17 pm-12:32 am

1 stop12h 15m

$256

NewarkChristiansted

EWR - STX

EWRSTX

Newark

Sun 2/22

10:00 pm-2:27 pm

1 stop15h 27m

Christiansted Henry Rohlsen

Tue 3/3

3:26 pm-9:16 am

1 stop18h 50m

$268

PittsburghChristiansted

PIT - STX

PITSTX

Pittsburgh

Sat 1/10

12:00 pm-9:31 pm

1 stop8h 31m

Christiansted Henry Rohlsen

Tue 1/13

8:30 am-11:59 pm

1 stop16h 29m

$285

New YorkChristiansted

JFK - STX

JFKSTX

New York John F Kennedy Intl

Wed 3/25

6:00 am-4:15 pm

1 stop10h 15m

Christiansted Henry Rohlsen

Sun 3/29

5:25 pm-6:00 am

1 stop12h 35m

$286

PittsburghChristiansted

PIT - STX

PITSTX

Pittsburgh

Sat 1/10

7:39 pm-3:29 pm

2 stops18h 50m

Christiansted Henry Rohlsen

Tue 1/13

8:30 am-11:10 pm

2 stops15h 40m

$289

PhiladelphiaChristiansted

PHL - STX

PHLSTX

Philadelphia

Thu 12/11

6:53 pm-3:58 pm

1 stop20h 05m

Christiansted Henry Rohlsen

Fri 12/19

4:53 pm-11:38 pm

1 stop7h 45m

$291

PhiladelphiaChristiansted

PHL - STX

PHLSTX

Philadelphia

Tue 11/18

3:10 pm-4:46 pm

1 stop24h 36m

Christiansted Henry Rohlsen

Sat 11/22

4:36 pm-11:25 pm

1 stop7h 49m

$299

New YorkChristiansted

JFK - STX

JFKSTX

New York John F Kennedy Intl

Tue 3/31

6:00 am-1:24 pm

1 stop7h 24m

Christiansted Henry Rohlsen

Wed 4/8

2:19 pm-12:49 am

1 stop10h 30m

$349

New YorkChristiansted

LGA - STX

LGASTX

New York LaGuardia

Tue 3/31

6:00 am-1:24 pm

1 stop7h 24m

Christiansted Henry Rohlsen

Wed 4/8

2:19 pm-10:43 pm

1 stop8h 24m

$433

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 Saint Croix from

How to get the cheapest flight ticket from Pennsylvania to Saint Croix

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 cheapest airline that flies from Pennsylvania to Saint Croix?

Spirit Airlines, JetBlue, and American Airlines are the most popular carriers operating from Pennsylvania to Saint Croix

What airlines fly to Saint Croix?

American Airlines, Spirit Airlines and Delta are the top three most popular airlines that fly to Saint Croix from Pennsylvania according to our data. American Airlines is the first choice among our users, with 70% of people opting to fly with this airline when traveling to Saint Croix. Keep in mind that there are 4 different airlines that fly to Saint Croix on a routine basis, so you have a few additional options to choose from.

Cheap Pennsylvania to Saint Croix flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Pennsylvania to Saint Croix

Direct flights

None
There are no direct flights from Pennsylvania to Saint Croix. There are no popular flight routes from Pennsylvania to Saint Croix.
Search flight deals

  • When did momondo last update prices for flights from Pennsylvania to Saint Croix?

    Prices for flights from Pennsylvania to Saint Croix refresh daily.

  • How many operators does momondo search for flights from Pennsylvania to Saint Croix?

  • How old do you have to be to fly from Pennsylvania to Saint Croix?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Pennsylvania to Saint Croix.

  • What documentation or ID do you need to fly to Saint Croix?

    The travel and health documents required for your trip to Saint Croix 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 Saint Croix. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Pennsylvania to Saint Croix

Compare and see reviews for airlines that fly from Pennsylvania to Saint Croix with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $108Free CancellationRating
5.8
3,115 reviews
Search Frontier flights
Spirit AirlinesPriceFrom $231Free CancellationRating
6.3
8,113 reviews
Search Spirit Airlines flights
American AirlinesPriceFrom $274Free CancellationRating
7.2
11,039 reviews
Search American Airlines flights
DeltaPriceFrom $299Free CancellationRating
7.9
8,004 reviews
Search Delta flights

Why use momondo?

Why should I use momondo to find a flight deal from Pennsylvania to Saint Croix?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Saint Croix from Pennsylvania.

Can I find flights from Pennsylvania to Saint Croix with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Saint Croix from Pennsylvania with this policy.

How can momondo help me find flights from Pennsylvania to Saint Croix?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Pennsylvania to Saint Croix.

I’m not ready to book a flight from Pennsylvania to Saint Croix right now. Can momondo alert me if prices change?

Price alerts on flights to Saint Croix from Pennsylvania are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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