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ASE to SZL: distance & flight time
Aspen (Aspen-Pitkin Co/Sardy Field) → Knobnoster (Whiteman Air Force Base)
716 mi
1,152 km · 622 nm
2h 1m
estimated nonstop flight time
+1h
time difference · heading east
See live ASE→SZL fares Phone-only fares on this route — call free
Flight time details
716 miles nonstop takes roughly 2h 1m gate to gate, flying east. 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
- ASE — Aspen-Pitkin Co/Sardy Field · Aspen, United States
- SZL — Whiteman Air Force Base · Knobnoster, 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 ASE
- EGE · Eagle County Regional Airport29 mi away
- GUC · Gunnison Crested Butte Regional Airport48 mi away
- RIL · Garfield County Regional Airport50 mi away
- MTJ · Montrose Regional Airport74 mi away
Near SZL
- MKC · Charles B. Wheeler Downtown Airport62 mi away
- OJC · Johnson County Executive Airport65 mi away
- AIZ · Lee C Fine Memorial Airport70 mi away
- COU · Columbia Regional Airport72 mi away
Frequently asked questions
How far is ASE from SZL?
The flight distance from Aspen (ASE) to Knobnoster (SZL) is 716 miles (1,152 km, 622 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ASE to SZL?
A nonstop flight takes about 2h 1m 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 ASE to SZL?
Nonstop service on ASE–SZL 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 2h 1m nonstop estimate.
What is the time difference between Aspen and Knobnoster?
Knobnoster is 1 hour ahead of Aspen.
What is the cheapest way to fly from ASE to SZL?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ASE–SZL that never appear on search engines, with no booking fees.
Why are some ASE to SZL fares phone-only?
Consolidator contracts let us sell certain ASE–SZL 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.