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CNX to SEN: distance & flight time
Chiang Mai (Chiang Mai International Airport) → Southend (Southend Airport)
5,553 mi
8,936 km · 4,825 nm
11h 21m
estimated nonstop flight time
-6h
time difference · heading northwest
See live CNX→SEN fares Phone-only fares on this route — call free
Flight time details
5,553 miles nonstop takes roughly 11h 21m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 6-hour time set-back when reading arrival times on your ticket.
The two airports
- CNX — Chiang Mai International Airport · Chiang Mai, Thailand
- 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 CNX
- LPT · Lampang Airport49 mi away
- PYY · Mae Hong Son Airport54 mi away
- HGN · Mae Hong Son Airport74 mi away
- PRH · Phrae Airport90 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 CNX from SEN?
The flight distance from Chiang Mai (CNX) to Southend (SEN) is 5,553 miles (8,936 km, 4,825 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from CNX to SEN?
A nonstop flight takes about 11h 21m 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 Chiang Mai and Southend?
Southend is 6 hours behind Chiang Mai.
What is the cheapest way to fly from CNX to SEN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CNX–SEN that never appear on search engines, with no booking fees.