SEN is London Southend
An airport in the United Kingdom. SEN is its three-letter IATA code, the one on your boarding pass and bag tag.
- IATA code
- SEN
- Airport
- London Southend
- Country
- United Kingdom
- Region
- Europe
Why is it SEN?
The letters S, E and N all appear, in that order, in “London Southend”, which makes this one of the easier codes to remember.
Don't mix it up with
These codes look or sound close to SEN.
Other airports in the United Kingdom
Quick check
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Common questions
What airport is SEN?
SEN is the IATA code for London Southend in the United Kingdom.
What is the airport code for London Southend?
The three-letter IATA code for London Southend is SEN.
What does LON mean on a ticket?
LON is a city code that covers all of London's airports. Booking sites use it to search Heathrow (LHR), Gatwick (LGW), Stansted (STN), Luton (LTN), London City (LCY) and Southend (SEN) at once.