The cheapest times to fly from TWF to STX are

  • April 16th to July 15th (except the weeks of May 7th and June 25th)
  • October 22nd to March 4th (except the weeks of October 29th, November 19th, December 10th, February 5th, and February 12th)

based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from TWF to STX is late December. Prices can be as high as $2860 for Sunday flights during mid to late November, or as low as $1469 for Friday flights around late December.


When to Fly to Saint Croix

Flying from Twin Falls, ID (TWF) to Christiansted, VI (STX) will usually cost between $1652 to $2095 per person if booking more than four weeks in advance. On average the very cheapest time to fly is late December with an average ticket price of $1571. Due to high demand the most expensive time to fly is mid to late November, with an average price of $2106. Planning your trip to low-cost times can easily save you $535 on economy flights and even more on first-class flights. Generally, any price below $1840 can be considered a good price for a round-trip TWF to STX flight.

See below for a graph of average weekly prices for the TWF to STX route. All prices are for round-trip tickets in USD.

TWF to STX Flight Prices

Compared to other flights, the TWF to STX flight is more expensive than the average and costs more than the average flight leaving from Twin Falls. The average price per mile (for a direct flight) is $0.34, which is in the normal range for a flight.


Flight Prices by Day of the Week

Friday is usually the cheapest day to depart and return on this flight. Sundays are the most expensive days to fly out or take a return trip. Selecting flights on the least expensive days could save you up to $206 (11%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Friday and returning a week later will cost an average of $1724. Return trip prices are from the STX to TWF flight, and often highlight the quality of our data in showing the same trend.

Departing Prices by Day

Departure Day Prices

Return Trip Prices by Day

Return Day Prices


Nonstop Flights and Layovers

Travelers looking to fly from TWF to STX can generally find a 2-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 7 hour 2 minutes may not be realistic.


Flight Hacking TWF to STX

Flight hacking is when you book two tickets instead of a layover, sometimes with different airlines. You will need to either bring only a carry-on bag (highly recommended) or leave yourself plenty of time to go through security again. Flight hacking is completely allowed, but airlines don’t always tell you the cheapest way to get from TWF to STX — but Champion Traveler does!

Hack #1: Salt Lake City, UT (TWF > SLC > STX)

  • Price for both tickets: $818
  • Average savings: $1023 (55.57%)

See TWF to SLC flights

Hack #2: Orlando, FL (TWF > MCO > STX)

  • Price for both tickets: $945
  • Average savings: $896 (48.67%)

See TWF to MCO flights

Hack #3: Austin, TX (TWF > AUS > STX)

  • Price for both tickets: $965
  • Average savings: $875 (47.55%)

See TWF to AUS flights


Flight Questions Answered

Still have questions about flying from TWF to STX? We’ve got answers.

Which airlines fly this route?

You can find 7 major airlines flying this route most often: American, Cape Air, Delta, JetBlue, Seaborne Airlines, Silver Airways, United, and potentially more during busy seasons.

How far away is it from Henry E. Rohlsen Airport to Joslin Field – Magic Valley Regional Airport?

The distance between the two airports is roughly 3365 miles or 5415 kilometers.

How long does it take to fly from TWF to STX?

The real-world flight time for a nonstop TWF to STX flight is about 7 hour 2 minutes.

How many flights go between Twin Falls, ID and Christiansted, VI?

It depends on the day of the week and the date, but a typical day might have around 16 available flights from TWF to STX.


Airport Location Info


Departing Airport

Origination codeTWF
Origination airport nameJoslin Field – Magic Valley Regional Airport
CityTwin Falls, ID
Countrythe United States

Return Airport

Destination codeSTX
Destination airport nameHenry E. Rohlsen Airport
CityChristiansted, VI
Countrythe United States


Other Resources

Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.