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YST to CTH: distance & flight time
St. Theresa Point (St. Theresa Point Airport) → Coatesville (Chester County G O Carlson Airport)
1,304 mi
2,098 km · 1,133 nm
3h 18m
estimated nonstop flight time
+1h
time difference · heading southeast
See live YST→CTH fares Phone-only fares on this route — call free
Flight time details
1,304 miles nonstop takes roughly 3h 18m gate to gate, flying southeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time gain when reading arrival times on your ticket.
The two airports
- YST — St. Theresa Point Airport · St. Theresa Point, Canada
- CTH — Chester County G O Carlson Airport · Coatesville, 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 CTH
- PHL · Philadelphia International Airport34 mi away
- ILG · New Castle Airport25 mi away
- LNS · Lancaster Airport25 mi away
- RDG · Reading Regional Carl A Spaatz Field28 mi away
Frequently asked questions
How far is YST from CTH?
The flight distance from St. Theresa Point (YST) to Coatesville (CTH) is 1,304 miles (2,098 km, 1,133 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from YST to CTH?
A nonstop flight takes about 3h 18m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
Are there nonstop flights from YST to CTH?
Nonstop service on YST–CTH depends on the season and the day of week. Run the fare search on this page with the nonstop filter applied to see current direct options; when there is no nonstop, a single connection through a carrier hub adds roughly 2–4 hours to the 3h 18m nonstop estimate.
What is the time difference between St. Theresa Point and Coatesville?
Coatesville is 1 hour ahead of St. Theresa Point.
What is the cheapest way to fly from YST to CTH?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on YST–CTH that never appear on search engines, with no booking fees.
Why are some YST to CTH fares phone-only?
Consolidator contracts let us sell certain YST–CTH tickets below the price airlines permit us to publish online, so those fares can only be quoted over the phone. Call the travel desk and an agent will check phone-only inventory for your dates.