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Cheap flights from Boston to Saint Croix from $237

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 6/1. 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 Boston to Saint Croix

Cheap round-trip flights

Enter your travel dates to find the best prices.
Spirit Airlines Logo
5:45 am - 12:59 pm
BOS
-
STX
7h 14m
1 stop
Spirit Airlines Logo
2:04 pm - 11:54 pm
STX
-
BOS
9h 50m
1 stop
$402Spirit Airlines
Sun, Jun 7 - Thu, Jun 11
JetBlue Logo
5:59 pm - 1:44 pm
BOS
-
STX
19h 45m
1 stop
JetBlue Logo
2:39 pm - 11:20 pm
STX
-
BOS
8h 41m
1 stop
$422JetBlue
Sat, May 9 - Wed, May 13
JetBlue Logo
8:00 am - 1:44 pm
BOS
-
STX
5h 44m
1 stop
JetBlue Logo
2:39 pm - 11:20 pm
STX
-
BOS
8h 41m
1 stop
$430JetBlue
Sun, May 10 - Wed, May 13
Spirit Airlines Logo
5:45 am - 12:59 pm
BOS
-
STX
7h 14m
1 stop
Spirit Airlines Logo
2:10 pm - 11:58 pm
STX
-
BOS
9h 48m
1 stop
$435Spirit Airlines
Thu, Jun 11 - Sun, Jun 21
Spirit Airlines Logo
5:45 am - 12:59 pm
BOS
-
STX
7h 14m
1 stop
Spirit Airlines Logo
2:04 pm - 11:54 pm
STX
-
BOS
9h 50m
1 stop
$449Spirit Airlines
Sun, May 24 - Sun, May 31
JetBlue Logo
10:40 pm - 1:44 pm
BOS
-
STX
15h 04m
1 stop
JetBlue Logo
2:39 pm - 11:20 pm
STX
-
BOS
8h 41m
1 stop
$450JetBlue
Mon, May 11 - Thu, May 14
JetBlue Logo
5:40 pm - 2:46 pm
BOS
-
STX
21h 06m
1 stop
JetBlue Logo
3:45 pm - 9:12 am
STX
-
BOS
17h 27m
1 stop
$452JetBlue
Mon, Jun 1 - Mon, Jun 8
Multiple Airlines Logo
5:40 pm - 2:46 pm
BOS
-
STX
21h 06m
1 stop
Multiple Airlines Logo
2:04 pm - 11:54 pm
STX
-
BOS
9h 50m
1 stop
$455Multiple Airlines
Mon, Jun 1 - Sun, Jun 7
Multiple Airlines Logo
5:40 pm - 2:46 pm
BOS
-
STX
21h 06m
1 stop
Multiple Airlines Logo
2:04 pm - 11:54 pm
STX
-
BOS
9h 50m
1 stop
$459Multiple Airlines
Mon, Jun 1 - Sun, Jun 7
JetBlue Logo
5:40 pm - 2:46 pm
BOS
-
STX
21h 06m
1 stop
JetBlue Logo
3:45 pm - 9:12 am
STX
-
BOS
17h 27m
1 stop
$460JetBlue
Mon, Jun 1 - Mon, Jun 8

JetBlue flights from Boston to Saint Croix

Our best JetBlue deals on Boston to Saint Croix flight tickets
JetBlue
May 9
BOS5:59 pmBoston Logan Intl
19h 45m
1 stop
STX1:44 pmChristiansted Henry Rohlsen
May 13
STX2:39 pmChristiansted Henry Rohlsen
8h 41m
1 stop
BOS11:20 pmBoston Logan Intl
$422
JetBlue
May 10
BOS8:00 amBoston Logan Intl
5h 44m
1 stop
STX1:44 pmChristiansted Henry Rohlsen
May 14
STX2:39 pmChristiansted Henry Rohlsen
8h 41m
1 stop
BOS11:20 pmBoston Logan Intl
$430
JetBlue
May 11
BOS10:40 pmBoston Logan Intl
15h 04m
1 stop
STX1:44 pmChristiansted Henry Rohlsen
May 14
STX2:39 pmChristiansted Henry Rohlsen
8h 41m
1 stop
BOS11:20 pmBoston Logan Intl
$450

American Airlines flights from Boston to Saint Croix

Our best American Airlines deals on Boston to Saint Croix flight tickets
American Airlines
Jul 10
BOS5:00 amBoston Logan Intl
15h 49m
1 stop
STX8:49 pmChristiansted Henry Rohlsen
Jul 14
STX8:08 amChristiansted Henry Rohlsen
8h 09m
1 stop
BOS4:17 pmBoston Logan Intl
$536
American Airlines
Jun 1
BOS8:00 amBoston Logan Intl
12h 45m
1 stop
STX8:45 pmChristiansted Henry Rohlsen
Jul 1
STX9:00 amChristiansted Henry Rohlsen
13h 35m
2 stops
BOS10:35 pmBoston Logan Intl
$540
American Airlines
Jun 24
BOS6:00 amBoston Logan Intl
8h 57m
1 stop
STX2:57 pmChristiansted Henry Rohlsen
Jun 29
STX9:01 amChristiansted Henry Rohlsen
14h 35m
1 stop
BOS11:36 pmBoston Logan Intl
$541

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 April 27, 2026.
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

Cheapest round-trip

BostonChristiansted

BOS - STX

BOSSTX

Boston Logan Intl

Sun 6/7

5:45 am-12:59 pm

1 stop7h 14m

Christiansted Henry Rohlsen

Thu 6/11

2:04 pm-11:54 pm

1 stop9h 50m

$402

BostonChristiansted

BOS - STX

BOSSTX

Boston Logan Intl

Sat 5/9

5:59 pm-1:44 pm

1 stop19h 45m

Christiansted Henry Rohlsen

Wed 5/13

2:39 pm-11:20 pm

1 stop8h 41m

$422
Quickest round-trip

BostonChristiansted

BOS - STX

BOSSTX

Boston Logan Intl

Sun 5/10

8:00 am-1:44 pm

1 stop5h 44m

Christiansted Henry Rohlsen

Wed 5/13

2:39 pm-11:20 pm

1 stop8h 41m

$430

BostonChristiansted

BOS - STX

BOSSTX

Boston Logan Intl

Thu 6/11

5:45 am-12:59 pm

1 stop7h 14m

Christiansted Henry Rohlsen

Sun 6/21

2:10 pm-11:58 pm

1 stop9h 48m

$435

BostonChristiansted

BOS - STX

BOSSTX

Boston Logan Intl

Sun 5/24

5:45 am-12:59 pm

1 stop7h 14m

Christiansted Henry Rohlsen

Sun 5/31

2:04 pm-11:54 pm

1 stop9h 50m

$449

BostonChristiansted

BOS - STX

BOSSTX

Boston Logan Intl

Mon 5/11

10:40 pm-1:44 pm

1 stop15h 04m

Christiansted Henry Rohlsen

Thu 5/14

2:39 pm-11:20 pm

1 stop8h 41m

$450

BostonChristiansted

BOS - STX

BOSSTX

Boston Logan Intl

Mon 6/1

5:40 pm-2:46 pm

1 stop21h 06m

Christiansted Henry Rohlsen

Mon 6/8

3:45 pm-9:12 am

1 stop17h 27m

$452

BostonChristiansted

BOS - STX

BOSSTX

Boston Logan Intl

Mon 6/1

5:40 pm-2:46 pm

1 stop21h 06m

Christiansted Henry Rohlsen

Sun 6/7

2:04 pm-11:54 pm

1 stop9h 50m

$455

BostonChristiansted

BOS - STX

BOSSTX

Boston Logan Intl

Mon 6/1

5:40 pm-2:46 pm

1 stop21h 06m

Christiansted Henry Rohlsen

Sun 6/7

2:04 pm-11:54 pm

1 stop9h 50m

$459

BostonChristiansted

BOS - STX

BOSSTX

Boston Logan Intl

Mon 6/1

5:40 pm-2:46 pm

1 stop21h 06m

Christiansted Henry Rohlsen

Mon 6/8

3:45 pm-9:12 am

1 stop17h 27m

$460

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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

Can stopping save me money on Boston to Saint Croix flights?

You could potentially save up to 47% on your flight if you consider stops on a Boston to Saint Croix flight.

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

Fastest flight time

5h 44m

Direct flights

None
The fastest flight from Boston to Saint Croix takes 5h 44m
There are no direct flights from Boston to Saint Croix. There are no popular flight routes from Boston to Saint Croix.
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Frequently asked questions about flying 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 $189Free CancellationRating
6.3
8,632 reviews
Search Spirit Airlines flights
JetBluePriceFrom $262Free CancellationRating
7.1
2,960 reviews
Search JetBlue flights
American AirlinesPriceFrom $312Free CancellationRating
7.1
11,673 reviews
Search American Airlines 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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