The main airport of Bangkok is called Suvarnabhumi Airport (Thai สุวรรณภูมิ, SBIA). This is the main international airport of Bangkok, Thailand's largest airport and one of the largest in Southeast Asia. In 2016, the airport served more than 55.8 million passengers. The terminal building of Bangkok airport is one of the largest in the world. There are plans to expand the airport. Currently, it is one of two international airports located next to Bangkok. (The second airport is Don Mueang).
Bangkok Suvarnabhumi Airport is located about 25 kilometers from the city center. You can travel by rail (metro), by bus or by taxi from the airport to the city. Don Mueang Airport is located about 30 kilometers from the main airport in Bangkok.
Suvarnabhumi Airport started operating from September 28, 2006. The airport has two parallel runways. International and domestic terminals are located in the main building of the airport. The main building has a length of approximately 550 meters and a width of about 190 meters. It is planned to further develop the airport and increase its capacity. The plans include creation of four runways, two main terminals, two auxiliary buildings and a terminal for budget airlines. The total airport capacity may be increased to 120 million passengers.
Transport
Bangkok can be reached by using different types of public transport from Suvarnabhumi Airport.
Suvarnabhumi Airport City Line (SA City Line, railway). Trains run between Phayathai Station and Suvarnabhumi Airport, making stops at Rajprarop Station, Makkasan Station, Ramkhamhaeng Station, Hua Mark Station, Thab Chang Station, and Lad Krabang Station. The railway service operates from 06.00 to 24.00. The station is located on the lower floor of the passenger terminal. Tickets can be bought there as well. The ticket costs from 15 baht to 45 baht (depends on the duration of the trip). The cost for the Express train (non-stop) is 150 baht. (2018)
Phaya Thai is one of the stops of Bangkok's underground metro (BTS). At this station, you can change trains to the light green branch of Bangkok's underground metro (BTS). (Or on the SA City Line train if you are going to the airport.)
If you need to get to Hua Lamphong railway station, then you can make a transfer to MRT underground station at Makkasan station.
From the airport, buses leave for different cities of Thailand. For example: You can get to Pattaya by bus number 389. The ticket costs 122 baht (2018). The bus stop is on the first floor at the exit 8.
City buses BMTA move along several routes from Suvarnabhumi airport to Bangkok. (Routes N550, 553, 554, 555, 558). Operating time: from 5 to 22 hours. The fare is from 24 to 45 baht.
Transfer airport Suvarnabhumi - Don Muang airport. A free bus for the owners of air tickets runs from 5am to midnight. You can take the bus on the 4th floor at exit 5.
The airport area has a large area. There is a free bus for passengers and staff to move around the airport. The bus runs around the clock on several routes, connecting the Public Transport Center and passenger terminals.
Taxi
Taxi is a convenient way to get from the airport to the right place in Bangkok. The cost of a taxi ride is certainly higher than on public transport.
But it can be profitable and convenient if:
- You are traveling in a group.
- For passengers with children.
- For passengers with large suitcases or more luggage.
You can easily find a taxi at the exit from the airport.
You can book a taxi (individual transfer) before the trip, online. You will immediately see the fare. The driver will meet you in the airport arrival area.
There is a hotel Novotel at the airport. You can find and book a room in any hotel in Thailand online.
Flights to Bangkok 
airport are performed by many airlines from many airports of the world. You can find tickets at the best prices with the help of any air ticket search service.