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ONO to SEN: distance & flight time
Ontario (Ontario Municipal Airport) → Southend (Southend Airport)
4,860 mi
7,821 km · 4,223 nm
10h
estimated nonstop flight time
+7h
time difference · heading northeast
See live ONO→SEN fares Phone-only fares on this route — call free
Flight time details
4,860 miles nonstop takes roughly 10h 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
- ONO — Ontario Municipal Airport · Ontario, 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 ONO
- BOI · Boise Air Terminal/Gowen Field50 mi away
- BKE · Baker City Municipal Airport69 mi away
- MYL · McCall Municipal Airport75 mi away
- MUO · Mountain Home Air Force Base88 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 ONO from SEN?
The flight distance from Ontario (ONO) to Southend (SEN) is 4,860 miles (7,821 km, 4,223 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ONO to SEN?
A nonstop flight takes about 10h 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 Ontario and Southend?
Southend is 7 hours ahead of Ontario.
What is the cheapest way to fly from ONO to SEN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ONO–SEN that never appear on search engines, with no booking fees.