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CUA to BUF: distance & flight time
Ciudad Constitución (Ciudad Constitución Airport) → Buffalo (Buffalo Niagara International Airport)
2,231 mi
3,590 km · 1,938 nm
4h 50m
estimated nonstop flight time
+3h
time difference · heading northeast
See live CUA→BUF fares Phone-only fares on this route — call free
Flight time details
2,231 miles nonstop takes roughly 4h 50m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 3-hour time gain when reading arrival times on your ticket.
The two airports
- CUA — Ciudad Constitución Airport · Ciudad Constitución, Mexico
- 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 CUA
- LTO · Loreto International Airport67 mi away
- LAP · Manuel Márquez de León International Airport104 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 CUA from BUF?
The flight distance from Ciudad Constitución (CUA) to Buffalo (BUF) is 2,231 miles (3,590 km, 1,938 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from CUA to BUF?
A nonstop flight takes about 4h 50m 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 Ciudad Constitución and Buffalo?
Buffalo is 3 hours ahead of Ciudad Constitución.
What is the cheapest way to fly from CUA to BUF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CUA–BUF that never appear on search engines, with no booking fees.