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GFK to SIR: distance & flight time
Grand Forks (Grand Forks International Airport) → Sion (Sion Airport)
4,502 mi
7,246 km · 3,912 nm
9h 18m
estimated nonstop flight time
+7h
time difference · heading northeast
See live GFK→SIR fares Phone-only fares on this route — call free
Flight time details
4,502 miles nonstop takes roughly 9h 18m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 7-hour time gain when reading arrival times on your ticket.
The two airports
- GFK — Grand Forks International Airport · Grand Forks, United States
- SIR — Sion Airport · Sion, Switzerland
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 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
Near SIR
- AOT · Aosta Airport33 mi away
- QLS · Lausanne-Blécherette Airport41 mi away
- ZIN · Interlaken Air Base41 mi away
- MVV · Megève Airport43 mi away
Frequently asked questions
How far is GFK from SIR?
The flight distance from Grand Forks (GFK) to Sion (SIR) is 4,502 miles (7,246 km, 3,912 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GFK to SIR?
A nonstop flight takes about 9h 18m 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 Grand Forks and Sion?
Sion is 7 hours ahead of Grand Forks.
What is the cheapest way to fly from GFK to SIR?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GFK–SIR that never appear on search engines, with no booking fees.