Cheap flights from Boston to Saint Croix from $241

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Boston to Saint Croix departing on 8/24. 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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Cheap round-trip flights

Spirit Airlines Logo
6:11 am - 4:29 pmBOS-STX
10h 18m1 stop
Spirit Airlines Logo
1:17 pm - 12:40 amSTX-BOS
12h 23m1 stop
$278Spirit Airlines
Find Deal
Sat, Nov 1 - Sat, Nov 8
Spirit Airlines Logo
6:11 am - 4:29 pmBOS-STX
10h 18m1 stop
Spirit Airlines Logo
1:17 pm - 12:40 amSTX-BOS
12h 23m1 stop
$279Spirit Airlines
Find Deal
Sat, Nov 1 - Sat, Nov 8
Spirit Airlines Logo
6:11 am - 3:07 pmBOS-STX
8h 56m1 stop
Spirit Airlines Logo
1:17 pm - 12:40 amSTX-BOS
12h 23m1 stop
$296Spirit Airlines
Find Deal
Fri, Oct 31 - Wed, Nov 12
Spirit Airlines Logo
6:11 am - 3:07 pmBOS-STX
8h 56m1 stop
Spirit Airlines Logo
1:17 pm - 12:40 amSTX-BOS
12h 23m1 stop
$297Spirit Airlines
Find Deal
Fri, Oct 31 - Wed, Nov 12
American Airlines Logo
5:44 am - 4:52 pmBOS-STX
10h 08m1 stop
American Airlines Logo
6:42 pm - 12:46 amSTX-BOS
7h 04m1 stop
$323American Airlines
Find Deal
Sun, Nov 2 - Wed, Nov 5
American Airlines Logo
7:00 am - 5:52 pmBOS-STX
9h 52m2 stops
American Airlines Logo
3:52 pm - 7:18 amSTX-BOS
16h 26m2 stops
$327American Airlines
Find Deal
Sun, Nov 2 - Wed, Nov 5
JetBlue Logo
7:40 am - 3:28 pmBOS-STX
6h 48m1 stop
JetBlue Logo
5:16 pm - 12:30 amSTX-BOS
8h 14m1 stop
$394JetBlue
Find Deal
Wed, Nov 19 - Mon, Nov 24
JetBlue Logo
7:40 am - 3:28 pmBOS-STX
6h 48m1 stop
JetBlue Logo
5:16 pm - 12:30 amSTX-BOS
8h 14m1 stop
$489JetBlue
Find Deal
Wed, Nov 19 - Tue, Nov 25
 Logo
12:31 pm - 9:39 amBOS-STX
21h 08m2 stops
 Logo
1:17 pm - 7:31 pmSTX-BOS
31h 14m3 stops
Wed, Oct 22 - Wed, Nov 5
 Logo
12:31 pm - 11:48 amBOS-STX
23h 17m3 stops
 Logo
1:17 pm - 7:31 pmSTX-BOS
31h 14m3 stops
Wed, Oct 22 - Wed, Nov 5

JetBlue flights from Boston to Saint Croix

Our best JetBlue deals on Boston to Saint Croix flight tickets
JetBlue
Nov 19
BOS7:40 amBoston Logan Intl
6h 48m
1 stop
STX3:28 pmChristiansted Henry Rohlsen
Nov 24
STX5:16 pmChristiansted Henry Rohlsen
8h 14m
1 stop
BOS12:30 amBoston Logan Intl
JetBlue
Nov 19
BOS7:40 amBoston Logan Intl
6h 48m
1 stop
STX3:28 pmChristiansted Henry Rohlsen
Nov 25
STX5:16 pmChristiansted Henry Rohlsen
8h 14m
1 stop
BOS12:30 amBoston Logan Intl
JetBlue
Oct 29
BOS7:40 amBoston Logan Intl
7h 49m
1 stop
STX3:29 pmChristiansted Henry Rohlsen
Nov 5
STX9:30 amChristiansted Henry Rohlsen
9h 07m
1 stop
BOS5:37 pmBoston Logan Intl

Spirit Airlines flights from Boston to Saint Croix

Our best Spirit Airlines deals on Boston to Saint Croix flight tickets
Spirit Airlines
Nov 1
BOS6:11 amBoston Logan Intl
10h 18m
1 stop
STX4:29 pmChristiansted Henry Rohlsen
Nov 8
STX1:17 pmChristiansted Henry Rohlsen
12h 23m
1 stop
BOS12:40 amBoston Logan Intl
Spirit Airlines
Nov 1
BOS6:11 amBoston Logan Intl
10h 18m
1 stop
STX4:29 pmChristiansted Henry Rohlsen
Nov 8
STX1:17 pmChristiansted Henry Rohlsen
12h 23m
1 stop
BOS12:40 amBoston Logan Intl
Spirit Airlines
Oct 31
BOS6:11 amBoston Logan Intl
8h 56m
1 stop
STX3:07 pmChristiansted Henry Rohlsen
Nov 12
STX1:17 pmChristiansted Henry Rohlsen
12h 23m
1 stop
BOS12:40 amBoston Logan Intl

momondo Fare Finder

 
Customize your flight search to find flights from Boston 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 August 21, 2025.
Use the filters below to find and compare flights from Boston to Saint Croix that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

BostonChristiansted

BOS - STX

BOSSTX

Boston Logan Intl

Sat 11/1

6:11 am-4:29 pm

1 stop10h 18m

Christiansted Henry Rohlsen

Sat 11/8

1:17 pm-12:40 am

1 stop12h 23m

$278

BostonChristiansted

BOS - STX

BOSSTX

Boston Logan Intl

Sat 11/1

6:11 am-4:29 pm

1 stop10h 18m

Christiansted Henry Rohlsen

Sat 11/8

1:17 pm-12:40 am

1 stop12h 23m

$279

BostonChristiansted

BOS - STX

BOSSTX

Boston Logan Intl

Fri 10/31

6:11 am-3:07 pm

1 stop8h 56m

Christiansted Henry Rohlsen

Wed 11/12

1:17 pm-12:40 am

1 stop12h 23m

$296

BostonChristiansted

BOS - STX

BOSSTX

Boston Logan Intl

Fri 10/31

6:11 am-3:07 pm

1 stop8h 56m

Christiansted Henry Rohlsen

Wed 11/12

1:17 pm-12:40 am

1 stop12h 23m

$297

BostonChristiansted

BOS - STX

BOSSTX

Boston Logan Intl

Sun 11/2

5:44 am-4:52 pm

1 stop10h 08m

Christiansted Henry Rohlsen

Wed 11/5

6:42 pm-12:46 am

1 stop7h 04m

$323

BostonChristiansted

BOS - STX

BOSSTX

Boston Logan Intl

Sun 11/2

7:00 am-5:52 pm

2 stops9h 52m

Christiansted Henry Rohlsen

Wed 11/5

3:52 pm-7:18 am

2 stops16h 26m

$327

BostonChristiansted

BOS - STX

BOSSTX

Boston Logan Intl

Wed 11/19

7:40 am-3:28 pm

1 stop6h 48m

Christiansted Henry Rohlsen

Mon 11/24

5:16 pm-12:30 am

1 stop8h 14m

$394

BostonChristiansted

BOS - STX

BOSSTX

Boston Logan Intl

Wed 11/19

7:40 am-3:28 pm

1 stop6h 48m

Christiansted Henry Rohlsen

Tue 11/25

5:16 pm-12:30 am

1 stop8h 14m

$489

BostonChristiansted

BOS - STX

BOSSTX

Boston Logan Intl

Wed 10/22

12:31 pm-9:39 am

2 stops21h 08m

Christiansted Henry Rohlsen

Wed 11/5

1:17 pm-7:31 pm

3 stops31h 14m

$574

BostonChristiansted

BOS - STX

BOSSTX

Boston Logan Intl

Wed 10/22

12:31 pm-11:48 am

3 stops23h 17m

Christiansted Henry Rohlsen

Wed 11/5

1:17 pm-7:31 pm

3 stops31h 14m

$660

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 14 resultsSorted by cheapest first
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See travel insights to Saint Croix from

How to get the cheapest flight ticket from Boston 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 Boston Logan Intl to Saint Croix?

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

What airlines fly to Saint Croix?

American Airlines, JetBlue and Delta are the top three most popular airlines that fly to Saint Croix from Boston according to our data. American Airlines is the first choice among our users, with 64% 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 Boston to Saint Croix flight deals and tips

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

Direct flights

None
There are no direct flights from Boston to Saint Croix. There are no popular flight routes from Boston to Saint Croix.
  • When did momondo last update prices for flights from Boston Logan Intl Airport to Saint Croix?

    Prices for flights from Boston Logan Intl Airport to Saint Croix are updated daily.

  • How many operators does momondo search for flights from Boston Logan Intl Airport to Saint Croix?

  • How old do you have to be to fly from Boston Logan Intl Airport to Saint Croix?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Boston Logan Intl Airport 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 Boston to Saint Croix

Compare and see reviews for airlines that fly from Boston to Saint Croix with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $143Free CancellationRating
6.3
8,035 reviews
Search Spirit Airlines flights
DeltaPriceFrom $284Free CancellationRating
7.9
7,981 reviews
Search Delta flights
American AirlinesPriceFrom $328Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
JetBluePriceFrom $328Free CancellationRating
7.2
2,916 reviews
Search JetBlue flights

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Boston to Saint Croix for you.

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

Yes. All flights to Saint Croix from Boston on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

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

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

Yes. momondo can track prices for Boston to Saint Croix flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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1 adult
Tue 8/26
Tue 9/2

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