Need help booking?
Unpublished phone-only deals available
YST to YSU: distance & flight time
St. Theresa Point (St. Theresa Point Airport) → Summerside (Summerside Airport)
1,452 mi
2,336 km · 1,261 nm
3h 37m
estimated nonstop flight time
+2h
time difference · heading east
See live YST→YSU fares Phone-only fares on this route — call free
Flight time details
1,452 miles nonstop takes roughly 3h 37m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2-hour time gain when reading arrival times on your ticket.
The two airports
- YST — St. Theresa Point Airport · St. Theresa Point, Canada
- YSU — Summerside Airport · Summerside, Canada
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 YSU
- YYG · Charlottetown Airport36 mi away
- YQM · Greater Moncton International Airport46 mi away
- YCH · Miramichi Airport86 mi away
- YHZ · Halifax / Stanfield International Airport109 mi away
Frequently asked questions
How far is YST from YSU?
The flight distance from St. Theresa Point (YST) to Summerside (YSU) is 1,452 miles (2,336 km, 1,261 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from YST to YSU?
A nonstop flight takes about 3h 37m 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 Summerside?
Summerside is 2 hours ahead of St. Theresa Point.
What is the cheapest way to fly from YST to YSU?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on YST–YSU that never appear on search engines, with no booking fees.