San Carlos Airport (SQL)
San Carlos Airport (SQL) currently has nonstop service to 10 destinations on 1 airline in our latest departure data. The busiest route is to Hayward (HWD), and the largest operator here is BYF with nonstops to 10 destinations.
Route data as of June 15, 2026, based on a 4-day departures sample.
How SQL is connected
0 international routes in this schedule set
United States 10
1/day
Cessna 172 · Piper Archer · C152
SQL route guides with flight times
These routes have enough tracked flights or schedule depth for a full guide with duration, distance, airlines, aircraft, and frequency.
1 airlines fly direct from SQL
Ranked by destinations served, then daily frequency.
Direct flights to 10 cities
Ranked by airlines operating the route. Routes with enough tracked data or schedule depth link to full route guides.
- Search →
HWD · Hayward1 airline · 1/day · Cessna 172, Piper Archer
View SQL–HWD route guide →- BYF · Cessna 1721/day
Other gateways
Quick answers
Where is San Carlos Airport?
Can you guess SQL from its airlines?
Every day, NavQ picks a mystery airport and gives you five guesses. Real departure data, no filler.
Play today's airport quiz →