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OLS to DEN: distance & flight time
Nogales (Nogales International Airport) → Denver (Denver International Airport)
678 mi
1,092 km · 589 nm
1h 56m
estimated nonstop flight time
+1h
time difference · heading northeast
See live OLS→DEN fares Phone-only fares on this route — call free
Flight time details
678 miles nonstop takes roughly 1h 56m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time gain when reading arrival times on your ticket.
The two airports
- OLS — Nogales International Airport · Nogales, United States
- DEN — Denver International Airport · Denver, 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 OLS
- NOG · Nogales International Airport15 mi away
- FHU · Sierra Vista Municipal Libby Army Air Field32 mi away
- TUS · Tucson International Airport49 mi away
- DMA · Davis Monthan Air Force Base52 mi away
Near DEN
- BFK · Buckley Air Force Base12 mi away
- APA · Centennial Airport22 mi away
- BJC · Rocky Mountain Metropolitan Airport24 mi away
- WBU · Boulder Municipal Airport32 mi away
Frequently asked questions
How far is OLS from DEN?
The flight distance from Nogales (OLS) to Denver (DEN) is 678 miles (1,092 km, 589 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OLS to DEN?
A nonstop flight takes about 1h 56m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
Are there nonstop flights from OLS to DEN?
Nonstop service on OLS–DEN depends on the season and the day of week. Run the fare search on this page with the nonstop filter applied to see current direct options; when there is no nonstop, a single connection through a carrier hub adds roughly 2–4 hours to the 1h 56m nonstop estimate.
What is the time difference between Nogales and Denver?
Denver is 1 hour ahead of Nogales.
What is the cheapest way to fly from OLS to DEN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OLS–DEN that never appear on search engines, with no booking fees.
Why are some OLS to DEN fares phone-only?
Consolidator contracts let us sell certain OLS–DEN tickets below the price airlines permit us to publish online, so those fares can only be quoted over the phone. Call the travel desk and an agent will check phone-only inventory for your dates.