The cheapest European city break for September has been revealed, with travellers able to enjoy a two-night trip for less than £270.Those looking for a last-minute break can find great deals on trips to Spain, France, Portugal and more holiday hotspots. Gdansk in Poland came out on top, with a two-night trip for two costing just £269.38, according to data from travel-focused eSIM provider Esimatic.The figures considered the cost of return flights from London, a beer, a soft drink, a meal for two and two nights in a hotel.In Gdansk, a beer will set you back just £2.97, while a soft drink costs £1.62 | GETTY10 cheapest European city breaks for SeptemberGdansk, Poland (£269.38)Palma de Mallorca, Spain (£282.77)Gothenburg, Sweden (£307.08)Hamburg, Germany (£335.72)Berlin, Germany (£366.20)Marseille, France (£371.80)Lisbon, Portugal (£383.84)Tallinn, Estonia (£397.43)Oslo, Norway (£400.82)Split, Croatia (£408)Gdansk is particularly good value, with flights from London Stansted costing £96. A beer comes in at just £2.97, while a soft drink costs £1.62. You can pick up a meal for two 2for £49.57, and two nights in a hotel cost £119.22.The Polish city is known for its colourful historic centre, waterfront and impressive architecture, so you can save money while still immersing yourself in the local culture. While Palma de Mallorca is popular with tourists, you can get a surprisingly good deal if travelling in September. The Spanish island takes second place at £282.77, with flights from Stansted available for just £53, according to the data.Holidaymakers will need to pay more for accommodation, however, at around £172.86 for two nights. A beer costs around £3.43, while a meal for two is £51.46. It has beaches, historic attractions, and great restaurants and nightlife.Mallorca is a popular tourist destination, but it can be an affordable choice in September | GETTY Germany’s capital rounded out the top five | GETTY Gothenburg ranks third at £307.08. Flights from Stansted cost just £61, although the cost of eating and drinking is higher. A beer is around £5.04 and a meal for two costs around £65.90. Two nights in a hotel come to £172.86, according to the research. Sweden’s second-largest city is home to the popular Liseberg amusement park, as well as canals, green spaces and a thriving food scene.Hamburg is fourth at £335.72, with flights costing £116 and two nights in a hotel £160.94. A meal for two costs around £51.46, while a beer is £4.29.Berlin rounds off the top five at £366.20. Flights cost around £81 and beer is still relatively affordable at £4.20, although accommodation is pricier at £214.58 for two nights. With Oktoberfest officially beginning on September 19, next month could be a good time to visit the German capital.Further down the ranking, Lisbon offers one of the cheapest beers at just £2.57, while Oslo has the most expensive at £9.12.