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Saint Croix

$510+ Cheap flights from Rapid City (RAP) to Saint Croix

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/9. Fares are subject to change and may not be available on all flights or dates of travel.
RAP — STX
May 7 — May 141
Thu 5/7
Thu 5/14
1 adult, Economy
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Cheap flight deals from Rapid City to Saint Croix

Cheapest flights from Rapid City to Saint Croix
Explore the most affordable flight options available from Rapid City to Saint Croix. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 7, 2026.

This American Airlines deal was found by Cheapflights users on 4/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/94:57 pm
RAP
-
STX
2 stops21h 16m
American Airlines
Fri 5/293:48 pm
STX
-
RAP
2 stops25h 05m
American Airlines
Deal found 4/6$510
This American Airlines deal was found by Cheapflights users on 4/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/201:08 pm
RAP
-
STX
2 stops23h 50m
American Airlines
Sat 6/63:48 pm
STX
-
RAP
2 stops21h 32m
American Airlines
Deal found 4/6$515
This American Airlines deal was found by Cheapflights users on 4/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/141:08 pm
RAP
-
STX
2 stops25h 05m
American Airlines
Sat 5/303:48 pm
STX
-
RAP
2 stops22h 34m
American Airlines
Deal found 4/5$583
This American Airlines deal was found by Cheapflights users on 4/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/201:08 pm
RAP
-
STX
2 stops23h 50m
American Airlines
Wed 6/103:48 pm
STX
-
RAP
2 stops21h 32m
American Airlines
Deal found 4/4$725

Find flight deals from Rapid City to Saint Croix

Keep the following information in mind while searching for Rapid City to Saint Croix flight deals. Data was last updated April 7, 2026.

Round-trip from

$510
(American Airlines)
From Rapid City to Saint Croix
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Rapid City 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, Cheapflights users made 2,558,603 searches. Data last updated April 7, 2026.
Use the filters below to find and compare flights from Rapid City to Saint Croix that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Rapid CityChristiansted

RAP - STX

RAPSTX

Rapid City

Sat 5/9

4:57 pm-1:15 pm

2 stops18h 18m

Christiansted Henry Rohlsen

Fri 5/29

3:48 pm-11:12 am

2 stops21h 24m

$510

Rapid CityChristiansted

RAP - STX

RAPSTX

Rapid City

Wed 5/20

1:08 pm-2:58 pm

2 stops23h 50m

Christiansted Henry Rohlsen

Sat 6/6

3:48 pm-11:20 am

2 stops21h 32m

$620
Quickest round-trip

Rapid CityChristiansted

RAP - STX

RAPSTX

Rapid City

Sat 5/2

5:20 am-8:55 am

2 stops25h 35m

Christiansted Henry Rohlsen

Tue 5/5

8:30 am-8:28 pm

2 stops13h 58m

$1,140

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/2

Sorted by cheapest first

Best time to book a flight from Rapid City to Saint Croix

Have a flexible travel schedule? Discover the best time to fly to Saint Croix from Rapid City with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Rapid City to Saint Croix
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from Rapid City to Saint Croix. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Rapid City to Saint Croix?

    Most people fly from Rapid City (RAP) if they book a flight from Rapid City to Saint Croix. Rapid City is conveniently located just 9.0 mi from Rapid City’s city center.

  • How long is the flight from Rapid City to Saint Croix?

    Airlines like American Airlines fly from Rapid City to Saint Croix in about 18h 18m. The time it takes to get you to your destination can typically vary by up to . There are 2865 mi between Rapid City and Saint Croix.

  • Can I find deals for flights from Rapid City to Saint Croix that include hotel bookings?

    Yes. In addition to deals on Rapid City to Saint Croix flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Rapid City to Saint Croix?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Rapid City to Saint Croix.

  • Can I find deals for business class flights from Rapid City to Saint Croix?

    Yes. Cheapflights offers flight deals from Rapid City to Saint Croix by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

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