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GRM to STL: distance & flight time

Grand Marais (Grand Marais Cook County Airport) → St. Louis (St Louis Lambert International Airport)

628 mi
1,011 km · 546 nm
1h 50m
estimated nonstop flight time
Same time
time difference · heading south
See live GRM→STL fares Phone-only fares on this route — call free

Flight time details

628 miles nonstop takes roughly 1h 50m 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.

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The two airports

Distances are great-circle ("as the crow flies") — the same basis airlines use for frequent-flyer miles.

Alternate airports can cut this fare

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Frequently asked questions

How far is GRM from STL?

The flight distance from Grand Marais (GRM) to St. Louis (STL) is 628 miles (1,011 km, 546 nautical miles), measured along the great-circle route airlines actually fly.

How long is the flight from GRM to STL?

A nonstop flight takes about 1h 50m 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 GRM to STL?

Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GRM–STL that never appear on search engines, with no booking fees.
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