Hotels are classified into five categories: super deluxe (five-star), deluxe (five-star), first class (four-star), second class (three-star), and third class (two-star).

Generally, a double room in super deluxe hotel costs approximately 200,000-400,000 won (use of extra services and facilities excluded); while a room in a deluxe hotel costs 150,000-250,000 won. First class hotel rate is around 100,000-150,000 won, for second class it would be 50,000-100,000 won and third class charges 30,000-100,000 won. Prices of hotels vary depending on season and location.
Hotels above deluxe class usually have fitness center, sauna, business center, restaurants and cafes. Hotels add 10% VAT and 10% service charge. The 10% VAT (hotel tax) that was lifted during special tourism periods, such as Visit Korea 2001 and the 2002 FIFA World Cup, is still currently implemented.
Top 10 Hotels in Seoul
1. Coex InterContinental Seoul
Coex InterContinental Seoul is one of the 5 star Seoul hotels which may cost more than some others, but the luxury and amenities you receive in return are incredible. Location is convenient, and there are numerous dining establishments available at the hotel.
2. Imperial Palace Hotel Seoul
This hotel is a four and a half star choice located right in the business district. It is ideal for both visitors and business individuals, and there are many amenities available. The service is exceptional and the hotel is very clean.
3. Grand Hilton Seoul
This is one of the premiere Seoul hotels, and as the Hilton name implies it is a five star luxury option. There is a convention center, meeting rooms and centers, and plenty of luxury. The price is typical for a stay of this quality.
4. Lotte World Hotel Seoul
Rated four and a half stars, Lotte World Hotel Seoul has a lot to offer at a price which is reasonable. The Executive rooms offer free breakfast and evening snack, as wll as wireless Internet and a free bus pass.
5. Grand Hyatt Seoul
This is one of the Seoul hotels which offer an amazing mountain backdrop and gorgeous scenery, combined with top quality and a lot of luxury. There are many recreational facilities as well as a business center at the hotel.
6. Grand InterContinental Seoul
If you are planning to visit Korea and want to stay in a five star hotel then the Grand InterContinental Seoul is a great choice. There are several dining choices, and the top rate service makes the price seem small.
7. The Ritz-Carlton Seoul
One of the best known Seoul hotels is the Ritz-Carlton, a name known around the world for elegance and luxury. Everything about your stay here will be perfect, with the finest quality and service imaginable.
8. JW Marriott Seoul
Although not one of the cheap Seoul Hotels, the JW Marriott Seoul is one of the top ten best in the city. A five star rating and well known name let you know what to expect here.
9. Millennium Seoul Hilton
At the Millennium Seoul Hilton the entire stay is centered on you, and your preferences and requirements. You will be pampered, and anything you could possibly need is available. This convenience and level of quality do not come without a big price though. A stay can be added with any Korea tour package.
10. Renaissance Seoul Hotel
This is one of the top Seoul hotels which have a very convenient location, right in the entertainment district and close to transportation. It is a top choice for travelers on both business and pleasure.