Kevin wrote:
What are the best ways to get to Heathrow, Gatwick, Luton and Stansted
airports without a car?

Is there good transportation out to Luton airport between 11PM and 5AM?

Thameslink run some services from St Pancras to Luton Airport Parkway
throughout the night. You can use the Tube to get to St Pancras until
just after midnight. During the night, you have several choices:
- 266 from Ravenscourt Park to Cricklewood, then the train
- 27 to Warren Street then N10 or 390 to St Pancras
- N9 to Trafalgar Square/Aldwych then N91 to St Pancras

There are a number of other bus combinations too to get to St Pancras.

I think coach services run from Victoria coach station all night too,
which you can reach using the N11.

www.journeyplanner.org should advise an appropriate route.

As for the other airports, they are all rail/coach-accessible during the
day, and at night you can reach Heathrow direct by N9; Gatwick by N11 to
Victoria then a night train or coach; Stansted by coach also from Victoria.

--
Dave Arquati
Imperial College, SW7
www.alwaystouchout.com - Transport projects in London