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SQL to DLH: distance & flight time
San Carlos (San Carlos Airport) → Duluth (Duluth International Airport)
1,656 mi
2,665 km · 1,439 nm
3h 43m
estimated nonstop flight time
+2h
time difference · heading northeast
See live SQL→DLH fares Phone-only fares on this route — call free
Flight time details
1,656 miles nonstop takes roughly 3h 43m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2-hour time gain when reading arrival times on your ticket.
The two airports
- SQL — San Carlos Airport · San Carlos, United States
- DLH — Duluth International Airport · Duluth, 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 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
Near DLH
- HIB · Range Regional Airport48 mi away
- GPZ · Grand Rapids Itasca Co-Gordon Newstrom field67 mi away
- HYR · Sawyer County Airport67 mi away
- LYU · Ely Municipal Airport70 mi away
Frequently asked questions
How far is SQL from DLH?
The flight distance from San Carlos (SQL) to Duluth (DLH) is 1,656 miles (2,665 km, 1,439 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SQL to DLH?
A nonstop flight takes about 3h 43m 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 San Carlos and Duluth?
Duluth is 2 hours ahead of San Carlos.
What is the cheapest way to fly from SQL to DLH?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SQL–DLH that never appear on search engines, with no booking fees.