Distance From Holt Airport to St Louis Lambert International Airport, FLI - STL Distance

The distance from Holt Airport (FLI) to St Louis Lambert International Airport (STL) is 3171 miles or 5102 kilometers or 2754 nautical miles.

The distance shown below is direct flight distance between airports. Straight-line distance does not account for the surface between the two points. It is the distance a bird or airplane would travel between the two points when flying above the surface. The straight line distance is the direct route between two points, regardless of whether or not there are roads that connect them.

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How long does it take to travel from Flateyri ( Iceland ) to St Louis ( United States )?

A one-way nonstop (direct) flight between Flateyri and St Louis takes around 7 hours 17 minutes.

Estimated flight time from Holt Airport, Flateyri, Iceland to St Louis Lambert International Airport, St Louis, United States is 7 hours 17 minutes under avarage conditions. Your actual flying time may vary depending on wind direction/speed or weather conditions. This calculation does not include the departure and landing times of the aircraft. In addition, it does not cover the person identity check, ticket check-in and baggage collection times at the airport.

Travel Distance Between the Airports • FLI - STL

Kilometers		5102 km
Statute Miles		3171 miles
Nautical Miles		2754 nm
Avg. Time of Flight		7 hours 17 minutes

Holt Airport to St Louis Lambert International Airport Flight Route Map - FLI to STL Flight Path

Location of Holt Airport & St Louis Lambert International Airport is given below.
Click the map to view Flateyri to St Louis nonstop flight path and travel direction.

Click to see flight route on Google Map between Flateyri, Iceland and St Louis, United States. .

Nonstop flight route between Flateyri, Iceland and St Louis, United States.

Time Difference Between the Airports • FLI - STL

Time difference between Flateyri (Iceland) and St Louis (United States) is 4 Hours.
St Louis time is 4 Hours behind Flateyri.

Location	Local Time
Flateyri (Iceland)	2026-09-18, 10:51:12 GMT
St Louis (United States)	2026-09-18, 06:51:12 EDT

Why should you arrive 3 hours before international flight? Flyers who are traveling to an international destination should arrive at the airport earlier than domestic flyers. This is because international flights can have additional check-in requirements, like passport verification, that need to be completed before you receive your boarding pass.

Origin

Holt Airport (FLI / BIHT) Flateyri, Iceland

Destination

St Louis Lambert International Airport (STL / KSTL) St Louis, United States