San Carlos (SQL) — 18 Flight Routes & Destinations
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Hub Brief
Plan your next trip from San Carlos
San Carlos Airport (SQL) connects to 18 destinations (16 domestic, 2 international) across 2 continents, served by 3 airlines including BYF, DLX and CNS. Browse the route map above to find your destination, then click any route for airline comparisons and schedule details.
How does SQL compare?
Alternative airports within 150 miles of San Carlos Airport.
| Metric | SQL | SFO | OAK | SJC | MRY | STS | SMF |
|---|---|---|---|---|---|---|---|
| Distance | — | 10 mi | 14 mi | 20 mi | 68 mi | 75 mi | 89 mi |
| Nonstop Routes | 18 | 507 | 310 | 462 | 112 | 87 | 129 |
| International | 2 | 149 | 53 | 111 | 17 | 6 | 15 |
| Airlines | 1 | 110 | 43 | 64 | 25 | 15 | 54 |
| Passengers/yr | — | 50.2M | 10.6M | 11.6M | 611K | 765K | 13.4M |
On-Time Performance
Seasonal & Recently Added Routes
Seasonal services and routes recently added to AIRO from SQL.
Former nonstop destinations from SQL
Destinations that had nonstop service from SQL but don't appear in current schedules. Most remain reachable with a connection — open any route for the flights that used to operate and live options.
Routes by Distance
Distance breakdown of all routes from SQL.
Schedule Overview
Weekly flight schedule summary from SQL.
San Carlos Airport: Quick Facts
Comprehensive reference for SQL airport information.
Frequently Asked Questions
Common questions about flights from San Carlos Airport.
San Carlos Airport offers nonstop flights to 18 destinations, including 16 domestic and 2 international routes.
3 airlines operate scheduled service from San Carlos Airport, including major carriers like BYF, DLX and CNS. Use the airline filter above to see routes by specific carrier.
Yes, San Carlos Airport offers 2 international routes across 2 continents.
Yes. Beyond nonstop routes, the route explorer shows 1-stop and 2-stop connections, letting you reach hundreds of additional destinations via major hubs.
Nearby alternatives include SFO, OAK and SJC. Check the Nearby Airports section above for route counts and distances.
Use the checkboxes in the route list to select routes, then click Compare to see side-by-side stats including frequency, duration, airlines, and on-time performance.
Check the Schedule Overview section for a day-by-day breakdown of route availability from San Carlos Airport.
Route data is updated regularly from official airline schedules. Seasonal or newly announced routes may take a few days to appear.
Click any route to see detailed flight options, then use the 'Search Flights' button to check availability and prices on Google Flights.