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SEN to ALN: distance & flight time
Southend (Southend Airport) → Alton/St Louis (St Louis Regional Airport)
4,211 mi
6,777 km · 3,659 nm
8h 43m
estimated nonstop flight time
—
time difference · heading northwest
See live SEN→ALN fares Phone-only fares on this route — call free
Flight time details
4,211 miles nonstop takes roughly 8h 43m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Both airports share the same local time, so schedules read exactly as flown.
The two airports
- SEN — Southend Airport · Southend, United Kingdom
- ALN — St Louis Regional Airport · Alton/St Louis, 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 ALN
- STL · St Louis Lambert International Airport20 mi away
- BLV · Scott AFB/Midamerica Airport26 mi away
- SUS · Spirit of St Louis Airport36 mi away
- SPI · Abraham Lincoln Capital Airport69 mi away
Frequently asked questions
How far is SEN from ALN?
The flight distance from Southend (SEN) to Alton/St Louis (ALN) is 4,211 miles (6,777 km, 3,659 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SEN to ALN?
A nonstop flight takes about 8h 43m 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 cheapest way to fly from SEN to ALN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SEN–ALN that never appear on search engines, with no booking fees.