Need help booking?
Unpublished phone-only deals available
GRB to SUS: distance & flight time
Green Bay (Austin Straubel International Airport) → Null (Spirit of St Louis Airport)
423 mi
681 km · 367 nm
1h 23m
estimated nonstop flight time
Same time
time difference · heading south
See live GRB→SUS fares Phone-only fares on this route — call free
Flight time details
423 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
- GRB — Austin Straubel International Airport · Green Bay, United States
- SUS — Spirit of St Louis Airport · Null, 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 GRB
- ATW · Appleton International Airport25 mi away
- OSH · Wittman Regional Airport41 mi away
- MNM · Menominee Regional Airport50 mi away
- SBM · Sheboygan County Memorial Airport51 mi away
Near SUS
- STL · St Louis Lambert International Airport16 mi away
- ALN · St Louis Regional Airport36 mi away
- BLV · Scott AFB/Midamerica Airport45 mi away
- JEF · Jefferson City Memorial Airport81 mi away
Frequently asked questions
How far is GRB from SUS?
The flight distance from Green Bay (GRB) to Null (SUS) is 423 miles (681 km, 367 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GRB to SUS?
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 GRB to SUS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GRB–SUS that never appear on search engines, with no booking fees.