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YST to YKU: distance & flight time
St. Theresa Point (St. Theresa Point Airport) → Chisasibi (Chisasibi Airport)
649 mi
1,044 km · 564 nm
1h 53m
estimated nonstop flight time
+1h
time difference · heading east
See live YST→YKU fares Phone-only fares on this route — call free
Flight time details
649 miles nonstop takes roughly 1h 53m gate to gate, flying east. 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
- YKU — Chisasibi Airport · Chisasibi, 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 YKU
- YGL · La Grande Rivière Airport51 mi away
- YNC · Wemindji Airport55 mi away
- ZEM · Eastmain River Airport110 mi away
- YGW · Kuujjuarapik Airport112 mi away
Frequently asked questions
How far is YST from YKU?
The flight distance from St. Theresa Point (YST) to Chisasibi (YKU) is 649 miles (1,044 km, 564 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from YST to YKU?
A nonstop flight takes about 1h 53m 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 Chisasibi?
Chisasibi is 1 hour ahead of St. Theresa Point.
What is the cheapest way to fly from YST to YKU?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on YST–YKU that never appear on search engines, with no booking fees.