St Louis to Saint Croix flights
Routavio compares airline fares from several flight booking sites. The lowest one-way fare it found for St Louis to Saint Croix is โฌ238 with Frontier Airlines (checked on 6 Nov 2026).
Your next trip, last seen at โฌ238
Lowest observedFrontier Airlines ยท 2 stops ยท One wayWhen to fly
Explore datesMore dates worth a look
Last seen for 1 traveller on 6 Nov 2026. Check today's price.
Find the dates that work for you
The lowest fare we observed for each month. Open a month to see its days, then pick your outbound and return. A day with no price is one we will search for you.
One-way fare
- 1 Febโฌ248
- 6 Febโฌ238
- 7 Febโฌ287
- 8 Febโฌ238
- 22 Febโฌ263
- Lowest observed
- โฌ238, departing 6 Feb 2027 (Last checked: 6 Nov 2026)One-way fare ยท Priced departure days checked in the last 14 days: 19Check live prices for this route
- Round trip
- โฌ565, departing 6 Jan 2027, back 11 Jan 2027 (Last checked: 4 Nov 2026)
- Airlines seen
- American Airlines, Frontier Airlines, JetBlue, United Airlines
- Typical journey time
- 19h 25m
About this route
Explore the fares we observed from St Louis to Saint Croix. Prices move often, so pick your dates to see the latest options.
- Route distance
- 3,388 km
- Typical journey time
- 19h 25m
- Airlines seen
- American Airlines, Frontier Airlines, JetBlue, United Airlines
- Seen on fares with a connection
- Frontier Airlines, JetBlue, United Airlines
- Alternative airports
- SUS
Route-level information; individual journeys vary.
We have not observed non-stop service on this route; the fares shown include at least one stop.
A clearer picture of your fare
If the observed fare for this date drops, we will email you. At most one message a day.
Airport to city: straight-line distance
- St. Louis Lambert International Airport (STL) โ St Louis, city gazetteer reference point (38.6270, -90.1994): โ 20 km.
- Henry E. Rohlsen Airport (STX) โ Saint Croix, city gazetteer reference point (17.7466, -64.7032): โ 12 km.
Approximate distances calculated from coordinates, not road distances or travel times. These airports serve the city; they are not confirmed endpoints of an offer.
Lowest fare by departure month
Cheapest month from St Louis to Saint Croix: February 2027, from โฌ238 (checked 6 Nov 2026).
| Month | Lowest fare | Priced days |
|---|---|---|
| December 2026 | โฌ245 | 9 |
| January 2027 | โฌ248 | 4 |
| February 2027 | โฌ238 | 5 |
One-way fares checked in the last 14 days. Each figure is the lowest priced departure day we saw, not a guaranteed fare.
Lowest fare by days before departure
Lowest fare from St Louis to Saint Croix by days until departure (61 days or more): โฌ238 (checked 6 Nov 2026).
| Days before departure | Lowest fare | Priced days |
|---|---|---|
| 8 to 30 days | โฌ245 | 9 |
| 61 days or more | โฌ238 | 9 |
One-way fares checked in the last 14 days. Each figure is the lowest stored fare for that distance to departure, not a price forecast.
Fares for different departure dates, checked now; not a guide to when to book.
Frequently asked
How much is a flight from St Louis to Saint Croix?
The lowest fare Routavio has observed is โฌ238, found on 6 Nov 2026. Prices move, so read it as a floor rather than a quote.
When is the cheapest month to fly from St Louis to Saint Croix?
Cheapest month from St Louis to Saint Croix: February 2027, from โฌ238 (checked 6 Nov 2026).
Are there direct flights from St Louis to Saint Croix?
Our data holds no non-stop flight from St Louis to Saint Croix. The fares on this page include at least one stop.
Which airlines fly from St Louis to Saint Croix?
Routavio has seen these carriers on the route: American Airlines, Frontier Airlines, JetBlue, United Airlines.
How long does the flight from St Louis to Saint Croix take?
Across the 71 fares Routavio observed, the average journey time is 27h 45m, including any stops. Individual departures vary; the fastest observed flight is listed in the route facts above.
How many of the observed St Louis to Saint Croix fares were non-stop?
None of the 71 fares we observed was non-stop; every one included at least one stop. That describes our observations, not every flight that operates.
How much is a round trip from St Louis to Saint Croix?
Cheapest round trip: โฌ565, departing 6 Jan 2027, back 11 Jan 2027 (checked 4 Nov 2026).
How observed prices work, what "No data" means and what a fare includes: Read the flight price guide ยท Price and schedule freshness on Routavio
Keep exploring
Similar routes
More routes from St Louis
Show all 36 routes โShow fewer โ
Recently observed fares. Prices may change.