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YBY to YST: distance & flight time
Bonnyville (Bonnyville Airport) → St. Theresa Point (St. Theresa Point Airport)
644 mi
1,036 km · 559 nm
1h 52m
estimated nonstop flight time
+1h
time difference · heading east
See live YBY→YST fares Phone-only fares on this route — call free
Flight time details
644 miles nonstop takes roughly 1h 52m 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
- YBY — Bonnyville Airport · Bonnyville, Canada
- YST — St. Theresa Point Airport · St. Theresa Point, 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 YBY
- YOD · CFB Cold Lake20 mi away
- YVG · Vermilion Airport66 mi away
- YLL · Lloydminster Airport74 mi away
- YLJ · Meadow Lake Airport91 mi away
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
Frequently asked questions
How far is YBY from YST?
The flight distance from Bonnyville (YBY) to St. Theresa Point (YST) is 644 miles (1,036 km, 559 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from YBY to YST?
A nonstop flight takes about 1h 52m 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 YBY to YST?
Nonstop service on YBY–YST 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 1h 52m nonstop estimate.
What is the time difference between Bonnyville and St. Theresa Point?
St. Theresa Point is 1 hour ahead of Bonnyville.
What is the cheapest way to fly from YBY to YST?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on YBY–YST that never appear on search engines, with no booking fees.
Why are some YBY to YST fares phone-only?
Consolidator contracts let us sell certain YBY–YST 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.