Summarize and humanize this content to 2000 words in 6 paragraphs in EnglishHolidays across the pond have always required deep pockets. But Donald Trump’s tariffs are expected to drive the price up even further – and are predicted to affect Europe too.‘As post-tariff uncertainty and global tensions rise, we will likely see costs drive up across the US and much of the Eurozone, and major tourist hubs are especially vulnerable,’ explains BookRetreats.com co-founder Sean Kelly.But fear not, as the travel expert has exclusively revealed some lesser-known alternatives to the tourist hotspots in Europe that won’t be as affected by President Trump’s tariffs.He adds: ‘These smaller European cities tend to rely on more localised supply chains, have a lower cost of living, and avoid the pricing pressure of mass tourism.’Here are the ‘surprisingly affordable’ destinations Sean recommends booking as soon as possible if you want to escape the crowds and price hikes…Swap Santorini for Nafplio in GreeceOnce the capital of modern Greece, Nafplio remains relatively undiscovered today, and Sean recommends choosing to visit here over the tourist hotspots.‘Visitors here can enjoy the Mediterranean experience without the high costs and crowds of Santorini or Athens,’ he says. BookRetreats.com co-founder Sean Kelly has revealed some lesser-known alternatives to the tourist hotspots in Europe that won’t be as affected by President Trump’s tariffs. He recommends swapping Santorini for Nafplio (pictured) in Greece Croatia is a very popular tourist destination, with so many people heading to Dubrovnik, Split and Hvar. But Sean says that ‘those willing to venture just two hours inland from Split to Mostar (pictured) will see their money go twice as far’According to Sean, a three-course meal for two in Nafplio averages around £32.15, while travellers will pay more than double that in Santorini.This destination is also popular among budget airlines, with one-way flights from London as low as £22.Ditch Croatia for Bosnia and HerzegovinaCroatia is a very popular tourist destination, with most people heading to Dubrovnik, Split and Hvar.But Sean says that ‘those willing to venture just two hours inland from Split to Mostar will see their money go twice as far’.In this southern Bosnia and Herzegovina city, a three-course meal for two averages just £26.18, compared to £60 in Split.Sean adds: ‘Beyond the savings, visitors can experience a city rich in history with unique landscapes—including the iconic stone bridge which will be the stage for the 2025 Red Bull Cliff Diving World Series this September.’Switch Madrid for Granada in Spain Sean says: ‘A three-course meal for two costs just £32.57 in Granada (pictured) – nearly 37% less than what you’d pay in Barcelona or Madrid, where it would come to £51.43’Granada was named Europe’s best value destination for wellness in Book Retreats’ 2025 Wellness Cost Index.The report found that a full wellness break, including a multi-day retreat, in the Spanish city is £180 cheaper than in the Canary Islands.And the food is just as affordable.Sean says: ‘A three-course meal for two costs just £32.57 in the city – nearly 37% less than what you’d pay in Barcelona or Madrid, where it would come to £51.43.‘Plus, Granada is one of the few Spanish cities that still honours the tradition of serving free tapas with every drink, essentially giving you a meal included with your beverages.‘It’s these kinds of practical savings that can make a significant difference to your overall holiday budget.’Trade Turkey for AlbaniaA hidden gem worth booking, says Sean, is Gjirokastër in Albania, as it ‘offers great value any time of the year’. A hidden gem worth booking, says Sean, is Gjirokastër in Albania (pictured), as it ‘offers great value any time of the year’ He says: ‘With the pound particularly strong over the Albanian LEK, travellers can book accommodation, enjoy a meal and drinks for two, and still spend less than the price of a room in most capital European cities.’Like Turkey, Albania has beautiful beaches and a historu of Ottoman influence.Sean adds: ‘Albania’s unique Ottoman architecture and UNESCO World Heritage status also guarantee a rich cultural experience that’s worth every penny.’Leave Lisbon for Porto in PortugalSean says: ‘Although not off the radar entirely, Porto delivers the quintessential Portuguese experience at prices more reasonable than the country’s crowded capital.‘Your morning coffee will cost under £2 here, and you’ll find similar savings on everything from food to attractions.’But Sean recommends booking Porto sooner rather than later if you want to take advantage of the cheap prices. ‘This second city is gaining in popularity,’ he adds. ‘So it’s best to visit now for a more authentic experience of Portugal without the crowds.’ Sean says: ‘Although not off the radar entirely, Porto (pictured) delivers the quintessential Portuguese experience at prices more reasonable than the country’s crowded capital’It comes after Ryanair’s boss issued a warning of the impact of Donald Trump’s tariffs on the aviation industry. CEO Michael O’Leary said the budget airline could delay deliveries of Boeing aircraft if the planes become more expensive. Mr O’Leary told the Financial Times that the airline is due to receive new planes in August but might delay the delivery as Ryanair does not need the planes until March or April 2026.He explained: ‘If tariffs are imposed on those aircraft, there’s every likelihood we may delay the delivery. We might delay them and hope that common sense will prevail.’