Need help booking?
Unpublished phone-only deals available
YST to GFK: distance & flight time
St. Theresa Point (St. Theresa Point Airport) → Grand Forks (Grand Forks International Airport)
420 mi
676 km · 365 nm
1h 23m
estimated nonstop flight time
Same time
time difference · heading south
See live YST→GFK fares Phone-only fares on this route — call free
Flight time details
420 miles nonstop takes roughly 1h 23m gate to gate, flying south. Add 45–90 minutes per connection if there's no nonstop service. Both airports share the same local time, so schedules read exactly as flown.
The two airports
- YST — St. Theresa Point Airport · St. Theresa Point, Canada
- GFK — Grand Forks International Airport · Grand Forks, 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 GFK
- RDR · Grand Forks Air Force Base10 mi away
- TVF · Thief River Falls Regional Airport47 mi away
- PMB · Pembina Municipal Airport69 mi away
- FAR · Hector International Airport73 mi away
Frequently asked questions
How far is YST from GFK?
The flight distance from St. Theresa Point (YST) to Grand Forks (GFK) is 420 miles (676 km, 365 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from YST to GFK?
A nonstop flight takes about 1h 23m 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 cheapest way to fly from YST to GFK?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on YST–GFK that never appear on search engines, with no booking fees.