To find your way in Warsaw using public transport, you can:
use Google Maps – they show public transport in Warsaw, available on mobile phone and a computer. Just pick a place and select public transport as means of transport
use jakdojade.pl website (http://warszawa.jakdojade.pl/?locale=en available on mobile phone and a computer) or get “jakdojade” application from iTunes, Google Play Store or Windows Phone. You can enter stop name or address.
Weekend ticket: valid from 7pm on Friday till 8am on Monday (which covers most of the festival), price: 24 PLN regular, 12 PLN discount (students, etc.)
Weekend ticket for groups up to 5 people: also valid from 7pm on Friday till 8am on Monday, price: 40PLN for a total group of 5. Users of this ticket must travel together, of course.
(ENGLISH: http://www.ztm.waw.pl/?c=608&l=2#4 and http://www.ztm.waw.pl/?c=516&l=2)
TAXIs:
Cash payment only
These are cheap taxi companies in Warsaw:
EkoCabTaxi, phone: +48226442222, cost: 8PLN base fee + 1,40 PLN/km (you can order from your mobile phone using Cab4You application available in iTunes or Google Play Store)
Seven Tax , phone: +482271777 77, cost: 8PLN base fee + 1,20 PLN/km
UBER.COM also operates in Warsaw
Use MyTaxi during the event with 50% discount.
Download MyTaxi apps because they offer 50% discount until end of November in Warsaw. Conditions ?
You need to download it and order + do the payment via this apps. It’s really easy and cheap –>
https://pl.mytaxi.com/50/?erid=1478421922233876703&gclid=Cj0KEQjwqfvABRC6gJ3T_4mwspoBEiQAyoQPkcSXJI4GrFXZtLUumODYOWMSHbhD6xac8B0tmny3dQsaAi6Y8P8HAQ
TRANSFER FROM MODLIN AIRPORT (Ryanair)
http://en.modlinairport.pl/passenger/access/koleje-mazowieckie-trains.html – bus from Modlin airport to Modlin train station + train to Warsaw Chopin Airport (from there bus 175 to the bus stop called 17 Stycznia). Ask for “Lotniskowy” ticket (about 20 PLN). Also valid for extra 60-minutes in Warsaw public transport. Please remember to write on it the time (hour and minute) you enter tram, bus or subway to validate it.
https://www.modlinbus.com/ – buses to Warsaw from 9 PLN (the sooner, the cheaper)
http://www.globcabtaxi.pl/transfer-lotnisko-modlin-warszawa/