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APA to BUF: distance & flight time
Denver (Centennial Airport) → Buffalo (Buffalo Niagara International Airport)
1,371 mi
2,206 km · 1,191 nm
3h 27m
estimated nonstop flight time
+2h
time difference · heading east
See live APA→BUF fares Phone-only fares on this route — call free
Flight time details
1,371 miles nonstop takes roughly 3h 27m 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
- APA — Centennial Airport · Denver, 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 APA
- DEN · Denver International Airport22 mi away
- BFK · Buckley Air Force Base10 mi away
- BJC · Rocky Mountain Metropolitan Airport27 mi away
- WBU · Boulder Municipal Airport38 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 APA from BUF?
The flight distance from Denver (APA) to Buffalo (BUF) is 1,371 miles (2,206 km, 1,191 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from APA to BUF?
A nonstop flight takes about 3h 27m 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 Denver and Buffalo?
Buffalo is 2 hours ahead of Denver.
What is the cheapest way to fly from APA to BUF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on APA–BUF that never appear on search engines, with no booking fees.