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SEN to BUF: distance & flight time
Southend (Southend Airport) → Buffalo (Buffalo Niagara International Airport)
3,585 mi
5,770 km · 3,116 nm
7h 30m
estimated nonstop flight time
-5h
time difference · heading northwest
See live SEN→BUF fares Phone-only fares on this route — call free
Flight time details
3,585 miles nonstop takes roughly 7h 30m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 5-hour time set-back when reading arrival times on your ticket.
The two airports
- SEN — Southend Airport · Southend, United Kingdom
- 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 SEN
- LGW · London Gatwick Airport48 mi away
- LHR · London Heathrow Airport50 mi away
- RCS · Rochester Airport17 mi away
- LCY · London City Airport28 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 SEN from BUF?
The flight distance from Southend (SEN) to Buffalo (BUF) is 3,585 miles (5,770 km, 3,116 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SEN to BUF?
A nonstop flight takes about 7h 30m 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 Southend and Buffalo?
Buffalo is 5 hours behind Southend.
What is the cheapest way to fly from SEN to BUF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SEN–BUF that never appear on search engines, with no booking fees.