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SDF to GRM: distance & flight time
Louisville (Louisville International Standiford Field) → Grand Marais (Grand Marais Cook County Airport)
707 mi
1,139 km · 615 nm
2h
estimated nonstop flight time
-1h
time difference · heading north
See live SDF→GRM fares Phone-only fares on this route — call free
Flight time details
707 miles nonstop takes roughly 2h gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time set-back when reading arrival times on your ticket.
The two airports
- SDF — Louisville International Standiford Field · Louisville, United States
- GRM — Grand Marais Cook County Airport · Grand Marais, 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 SDF
- LOU · Bowman Field5 mi away
- FTK · Godman Army Air Field22 mi away
- FFT · Capital City Airport45 mi away
- LEX · Blue Grass Airport62 mi away
Near GRM
- YQT · Thunder Bay Airport61 mi away
- LYU · Ely Municipal Airport67 mi away
- YIB · Atikokan Municipal Airport87 mi away
- CMX · Houghton County Memorial Airport100 mi away
Frequently asked questions
How far is SDF from GRM?
The flight distance from Louisville (SDF) to Grand Marais (GRM) is 707 miles (1,139 km, 615 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SDF to GRM?
A nonstop flight takes about 2h 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 SDF to GRM?
Nonstop service on SDF–GRM 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 2h nonstop estimate.
What is the time difference between Louisville and Grand Marais?
Grand Marais is 1 hour behind Louisville.
What is the cheapest way to fly from SDF to GRM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SDF–GRM that never appear on search engines, with no booking fees.
Why are some SDF to GRM fares phone-only?
Consolidator contracts let us sell certain SDF–GRM 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.