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HIO to SQL: distance & flight time
Hillsboro (Portland Hillsboro Airport) → San Carlos (San Carlos Airport)
556 mi
895 km · 483 nm
1h 41m
estimated nonstop flight time
Same time
time difference · heading south
See live HIO→SQL fares Phone-only fares on this route — call free
Flight time details
556 miles nonstop takes roughly 1h 41m gate to gate, flying south. Add 45–90 minutes per connection if there's no nonstop service. Both airports share the same local time, so schedules read exactly as flown.
The two airports
- HIO — Portland Hillsboro Airport · Hillsboro, United States
- SQL — San Carlos Airport · San Carlos, 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 HIO
- PDX · Portland International Airport17 mi away
- TTD · Portland Troutdale Airport27 mi away
- KLS · Southwest Washington Regional Airport40 mi away
- OTK · Tillamook Airport43 mi away
Near SQL
- SFO · San Francisco International Airport10 mi away
- PAO · Palo Alto Airport of Santa Clara County8 mi away
- HWD · Hayward Executive Airport12 mi away
- NUQ · Moffett Federal Airfield13 mi away
Frequently asked questions
How far is HIO from SQL?
The flight distance from Hillsboro (HIO) to San Carlos (SQL) is 556 miles (895 km, 483 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from HIO to SQL?
A nonstop flight takes about 1h 41m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
What is the cheapest way to fly from HIO to SQL?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on HIO–SQL that never appear on search engines, with no booking fees.