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ASE to BUF: distance & flight time
Aspen (Aspen-Pitkin Co/Sardy Field) → Buffalo (Buffalo Niagara International Airport)
1,481 mi
2,383 km · 1,287 nm
3h 41m
estimated nonstop flight time
+2h
time difference · heading east
See live ASE→BUF fares Phone-only fares on this route — call free
Flight time details
1,481 miles nonstop takes roughly 3h 41m gate to gate, flying east. 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
- ASE — Aspen-Pitkin Co/Sardy Field · Aspen, United States
- BUF — Buffalo Niagara International Airport · Buffalo, 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 BUF
- IAG · Niagara Falls International Airport16 mi away
- YYZ · Lester B. Pearson International Airport68 mi away
- YCM · Niagara District Airport28 mi away
- DKK · Chautauqua County-Dunkirk Airport41 mi away
Frequently asked questions
How far is ASE from BUF?
The flight distance from Aspen (ASE) to Buffalo (BUF) is 1,481 miles (2,383 km, 1,287 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ASE to BUF?
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 Aspen and Buffalo?
Buffalo is 2 hours ahead of Aspen.
What is the cheapest way to fly from ASE to BUF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ASE–BUF that never appear on search engines, with no booking fees.