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Kosrae Airport (KSA) currently has nonstop service to 2 destinations on 1 airline in our latest departure data. The busiest route is to Kwajalein (KWA), and the largest operator here is United Airlines with nonstops to 2 destinations. 1 of its routes are international.
Route data as of August 17, 2026, based on a 2-day departures sample.
You can fly nonstop from KSA to 2 destinations, including 1 international route. Current schedules show about 0.6 flights per day across those routes. The busiest options start with Kwajalein (KWA), Pohnpei Island (PNI).
1 international route in this schedule set
Micronesia 1 · Marshall Islands 1
2×/wk
Boeing 737
Ranked by destinations served, then daily frequency.
Ranked by airlines operating the route. Routes with enough tracked data or schedule depth link to full route guides.
Kosrae Airport (KSA / PTSA) is located in Kosrae, Micronesia.
The IATA code is KSA. The ICAO code is PTSA.
The busiest scheduled route from KSA in our current departure data is KSA to KWA (Kwajalein), with 2×/wk.
United Airlines is the largest operator in our KSA schedule data, serving 2 destinations with 4×/wk.
KSA has 1 international route and 1 domestic route in the current schedule set.
1 airlines operate at KSA. Top carriers include United Airlines.
KSA has direct flights to 2 destinations including Kwajalein, Pohnpei Island.
View live arrivals and departures at KSA on FlightRadar24.
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