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WBU to SEN: distance & flight time
Boulder (Boulder Municipal Airport) → Southend (Southend Airport)
4,703 mi
7,569 km · 4,087 nm
9h 41m
estimated nonstop flight time
+7h
time difference · heading northeast
See live WBU→SEN fares Phone-only fares on this route — call free
Flight time details
4,703 miles nonstop takes roughly 9h 41m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 7-hour time gain when reading arrival times on your ticket.
The two airports
- WBU — Boulder Municipal Airport · Boulder, United States
- SEN — Southend Airport · Southend, United Kingdom
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 WBU
- DEN · Denver International Airport32 mi away
- BJC · Rocky Mountain Metropolitan Airport11 mi away
- FNL · Northern Colorado Regional Airport31 mi away
- BFK · Buckley Air Force Base34 mi away
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
Frequently asked questions
How far is WBU from SEN?
The flight distance from Boulder (WBU) to Southend (SEN) is 4,703 miles (7,569 km, 4,087 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from WBU to SEN?
A nonstop flight takes about 9h 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 Boulder and Southend?
Southend is 7 hours ahead of Boulder.
What is the cheapest way to fly from WBU to SEN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on WBU–SEN that never appear on search engines, with no booking fees.