Park Plaza has a dedicated Last Minute deals page that I just discovered.
Berlin Hotel Deal: Stay two nights including breakfast from €69 at art'otel berlin city center west
Booking Date: 1 MAY – 31 AUGUST 2014
Offer Details: Stay at art'otel berlin city center west for two nights including breakfast, a welcome drink and a free room upgrade for only € 75,- per person when staying between 1st May and 30st June and only € 69,- per person when staying between 1st July and 31st August.
Promo Code: STAY2PRO
Also interesting is the deal for the Park Plaza Amsterdam Airport – though this hotel generally fetches surprisingly low rates.
Amsterdam Hotel Deal: Weekend break at Park Plaza Amsterdam Airport – from €59 per night
Booking Date: 25 MARCH – 31 JULY
Offer Details: Explore Amsterdam and stay at our Park Plaza Amsterdam Airport from only €59 per night on Fridays, Saturdays and Sundays. Go by bike to the city of Amsterdam, use the complimentary Airport Shuttle, the nearby train or workout at our fitness centre. Book now!
Terms & Conditions
Offer is subject to availability. Valid for stays between 1st May – 31st August 2014 at art'otel berlin city center west. Book between 1st May and midnight 31st August 2014. Rate is including VAT. Rate is including breakfast, a welcome drink, room upgrade (subject to availability) and City Tax of 5%. 2 night minimum stay is required. Offer can be cancelled free of charge by 06:00 p.m. at day of arrival (hotel time). Guarantee required. Prepayment of first night at time of booking and is non-refundable. No third party credit card will be accepted. The credit card holder must be present upon arrival with the credit card used for the booking. Earn Club Carlson Gold Points with this rate.