Let KAYAK do the searching
KAYAK users have found double rooms in East Thailand for as cheap as $9 (Battambang) in the last 3 days. The average price is $90.
In the last 72 hours, users have found East Thailand hotels for tonight for as low as $16 (Chanthaburi). Users have also found 3-star hotels from $16 (Bangkok) and 4-star+ hotels from $16 (Bangkok).