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YST to RCA: distance & flight time
St. Theresa Point (St. Theresa Point Airport) → Rapid City (Ellsworth Air Force Base)
766 mi
1,233 km · 666 nm
2h 8m
estimated nonstop flight time
-1h
time difference · heading southwest
See live YST→RCA fares Phone-only fares on this route — call free
Flight time details
766 miles nonstop takes roughly 2h 8m gate to gate, flying southwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time set-back when reading arrival times on your ticket.
The two airports
- YST — St. Theresa Point Airport · St. Theresa Point, Canada
- RCA — Ellsworth Air Force Base · Rapid City, United States
Distances are great-circle ("as the crow flies") — the same basis airlines use for frequent-flyer miles.
Alternate airports can cut this fare
Flying from or into a nearby airport is the #1 trick our agents use to beat online prices. Call and we'll compare every combination on one call.
Near YST
- YIV · Island Lake Airport8 mi away
- YGO · Gods Lake Narrows Airport51 mi away
- YRS · Red Sucker Lake Airport57 mi away
- ZGI · Gods River Airport75 mi away
Near RCA
- RAP · Rapid City Regional Airport7 mi away
- SPF · Black Hills Airport-Clyde Ice Field41 mi away
- CDR · Chadron Municipal Airport90 mi away
- GCC · Gillette Campbell County Airport121 mi away
Frequently asked questions
How far is YST from RCA?
The flight distance from St. Theresa Point (YST) to Rapid City (RCA) is 766 miles (1,233 km, 666 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from YST to RCA?
A nonstop flight takes about 2h 8m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
What is the time difference between St. Theresa Point and Rapid City?
Rapid City is 1 hour behind St. Theresa Point.
What is the cheapest way to fly from YST to RCA?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on YST–RCA that never appear on search engines, with no booking fees.