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Cheap flights from Rapid City to Saint Croix from $729

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Rapid City to Saint Croix departing on 4/26. 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 Rapid City to Saint Croix

Cheap round-trip flights

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American Airlines Logo
5:57 am - 12:40 pmRAP-STX
28h 43m2 stops
American Airlines Logo
5:10 pm - 8:19 pmSTX-RAP
29h 09m2 stops
$729American Airlines
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Sun, Apr 26 - Wed, Apr 29

momondo 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, momondo users made 832,500 searches. Data last updated November 5, 2025.
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

Rapid CityChristiansted

RAP - STX

RAPSTX

Rapid City

Sun 4/26

5:57 am-12:40 pm

2 stops28h 43m

Christiansted Henry Rohlsen

Wed 4/29

5:10 pm-8:19 pm

2 stops29h 09m

$729

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

Cheap Rapid City to Saint Croix flight deals and tips

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

Direct flights

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

    Prices for flights from Rapid City Airport to Saint Croix are updated daily.

  • How many operators does momondo search for flights from Rapid City Airport to Saint Croix?

  • How old do you have to be to fly from Rapid City Airport 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 Rapid City Airport to Saint Croix.

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

    The necessary travel and health documents for your Saint Croix trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Rapid City to Saint Croix

Compare and see reviews for airlines that fly from Rapid City to Saint Croix with momondo
Airline
Rating
Free Cancellation
Price
American AirlinesPriceFrom $574Free CancellationRating
7.2
11,042 reviews
Search American Airlines flights

  • How do I get Price Alerts for flights from Rapid City to Saint Croix?

    You can take advantage of momondo’s Price Alerts by first searching for your flights to Rapid City from Saint Croix. Flight offers will be shown to you in real-time. From there you can create a Price Alert by using our on-site widget.

  • How can I save money on flights from Rapid City to Saint Croix with momondo?

    Leverage our AI within our “Price Forecast” tool, which predicts if it’s better to book now or wait until prices decrease. You can strategically pick the best days to fly and save money on your trip by using our “Price Calendar” tool. “Explore” shows an overview of how much it costs to fly to anywhere from a selected city or airport. Our “Discover” content is a great option for travel inspiration and money-saving tips, while “Price Alerts” will update you when prices change, so you can book when fares are right.

  • How does momondo find its flight prices?

    momondo shows deals across 700+ competitors all at once. momondo is active in 30 international markets, so you can have access to a wide range of options from airlines and OTAs alike.

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Rapid City to Saint Croix. momondo saves you time and could save you money on your trip.

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

momondo does allow users to show only those flights to Saint Croix from Rapid City which offer a flexible booking policy as well as other useful filters and features.

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

momondo helps you find the best flight between Rapid City and Saint Croix by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Yes. momondo can track prices for Rapid City 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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