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HOU to SQL: distance & flight time
Houston (William P Hobby Airport) → San Carlos (San Carlos Airport)
1,638 mi
2,636 km · 1,423 nm
3h 41m
estimated nonstop flight time
-2h
time difference · heading northwest
See live HOU→SQL fares Phone-only fares on this route — call free
Flight time details
1,638 miles nonstop takes roughly 3h 41m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2-hour time set-back when reading arrival times on your ticket.
The two airports
- HOU — William P Hobby Airport · Houston, 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 HOU
- IAH · George Bush Intercontinental Houston Airport24 mi away
- EFD · Ellington Airport8 mi away
- AAP · Andrau Airpark19 mi away
- SGR · Sugar Land Regional Airport23 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 HOU from SQL?
The flight distance from Houston (HOU) to San Carlos (SQL) is 1,638 miles (2,636 km, 1,423 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from HOU to SQL?
A nonstop flight takes about 3h 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 time difference between Houston and San Carlos?
San Carlos is 2 hours behind Houston.
What is the cheapest way to fly from HOU to SQL?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on HOU–SQL that never appear on search engines, with no booking fees.