The closest international airport is Warsaw Chopin Airport which is located 11 km from the city centre. To reach the city centre from the airport, you can either take a suburban train or a bus. There are also taxis available outside the arrivals terminal.
Details on how to access the city from the airport can be found https://www.lotnisko-chopina.pl/en/access.html
If you arrive at the Warsaw-Modlin Airport, you can either take a train or a shuttle bus to reach the city centre. Since the airport is located 40 km from the centre of Warsaw, the journey may take up to one hour. Please visit http://en.modlinairport.pl/# to learn more about ways of getting to the city from the airport.
If you arrive by train, you need to get off at the Warsaw Central Railway Station, which is located at the very centre of the city. From there, you will need to change to a bus, tram or metro, depending on the location of your accommodation.
After you reach the city centre, you will have a few options to move around the city and reach your accommodation. To find your way, you can use a journey planner available on https://jakdojade.pl/warszawa/trasa/ , which will show you all options for your selected itinerary.