Embark on unforgettable family days out in London and beyond, starting from St. Pancras International. Our guide offers a treasure trove of family activities in London and day trips that promise excitement and discovery for all ages. Whether you are seeking something cultural, outdoor adventures, or thrilling attractions, our curated list of day trips ensures that your family's journey is as exciting as the destination itself.


Thameside Fun at the London Eye and SEA LIFE London 

Home to over 500 species in 14 themed zones, there is so much to see at SEA LIFE London Aquarium. Stop by the coolest colony of penguins then say hello to Sand Tiger Sharks Bungle and Zippy. Combine the excitement of panoramic views from the London Eye with the wonders of marine life at SEA LIFE London. Booking a combination ticket in advance can save you time and money.  

Getting here: Head to Waterloo via a quick train journey, and a short walk along the Thames takes you to the iconic London Eye and SEA LIFE London. 

Wildlife Wonders at ZSL London Zoo 

Experience a world of wildlife in the heart of London at ZSL London Zoo. From leaping frogs to roaring lions, discover amazing wildlife and learn how we can protect their future. Plan your visit during interactive exhibits to make the most of your zoo adventure and consider purchasing tickets online for added convenience. 

Getting here: ZSL London Zoo is approximately a 30minute walk from St. Pancras International. 

ZSL London Zoo

Outside London 

Canterbury - Quaint Villages and Countryside Retreat  

Venture out to Canterbury for a day steeped in history and charm, making it one of the best places to visit in London with family. Visit the Canterbury Cathedral, a UNESCO World Heritage Site, and let the kids discover the tales of Chaucer at the Canterbury Tales attraction. Stroll through the enchanting streets, explore the city's medieval walls, and enjoy a leisurely day steeped in culture. Check out family-friendly walking tours to make history come alive for the little ones.

Getting here: The Southeastern high-speed service makes the trip a breeze, direct from St. Pancras International to Canterbury. 

CO2 emissions for this journey: 3.94kg CO2e (vs. 12.37kg CO2e by car)

Brighton – A Seaside Paradise  

In just over an hour, you will find yourself at the vibrant seaside town of Brighton. Perfect for a family day out, Brighton boasts the iconic Brighton Pier, a treasure trove of arcades, and the pebble beach that has delighted generations. Take the little ones to the SEA LIFE Brighton for an underwater adventure or explore the Royal Pavilion for a taste of regal history. Remember to stop by Boot’s St. Pancras for sunscreen on warm days. 

Getting here: Hop on a Southeastern train from St. Pancras direct to Brighton. 

CO2 emissions for this journey: 3.49kg CO2e (vs. 10.96kg CO2e by car)

Photo Credit: Callum Parker, UnSplash

Cambridge – Academic Adventures  

All aboard to Cambridge, a city renowned for its prestigious university and scenic beauty Punt along the River Cam, explore the Botanic Garden, and marvel at the architecture of the colleges. With family-friendly museums and open spaces, Cambridge provides an educational and entertaining escape. Consider a guided punt tour for a relaxing and informative experience. 

Getting here: Take a Thameslink train direct from St. Pancras International to Cambridge in just over 1 hour. 

CO2 emissions for this journey: 3.40kg CO2e (vs. 10.67kg CO2e by car)

Photo by Chris Boland 

Leeds Castle – Go Back in Time 

A fairytale castle sitting behind a moat in hundreds of acres of landscaped gardens, Leeds Castle is known as the ‘loveliest castle in the world.’ Explore the 900-year-old building, get lost in the Maze or go for a leisurely punt on the moat. Visit the Bird of Prey Centre and watch falconry displays on the grounds of the castle.  

Getting here: Southeastern runs frequent services to and from Bearsted, which take just over an hour from St. Pancras International. 

CO2 emissions for this journey: 2.52kg CO2e (vs. 7.92kg CO2e by car)

Brussels – A Taste of Europe without the Jet Lag 

Expand your family's horizons with a trip to Brussels, just a short Eurostar ride away. Explore the Grand Place, indulge in delicious Belgian chocolates, and discover the charm of this European capital. The high-speed connection ensures a smooth and swift journey for a day filled with cultural delights. Pack a picnic for the journey and enjoy a taste of Belgium on the way. 

Getting here: Hop on board a Eurostar train and arrive in Brussels City Centre in 1hr 53mins. Chocolate, waffles, frites and beer await! 

CO2 emissions for this journey: 2.90kg CO2e (vs. 68.10kg CO2e by plane)

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Photo Credit: N Sxca2dfasvm UnSplash

Dover – Discover A Treasure Trove of Secrets at Dover Castle 

Standing atop the White Cliffs of Dover, this historic fort represents centuries of history, from the Romans to World War II. Explore the opulence of the Great Tower, with its recreated medieval rooms and rooftop views across The Channel, try your hand at Morse Code on the Port War Signalling Station, and venture down to the Secret Wartime Tunnels for an immersive look into the story of Operation Dynamo, the evacuation of Dunkirk.  

Getting here: Take highspeed Southeastern trains from St. Pancras International to Dover Priory and get there in around 1 hour 15 minutes.  

CO2 emissions for this journey: 4.88kg CO2e (vs. 15.33kg CO2e by car)


Buy one valid adult ticket on Southeastern services and take up to four children with you for £1 each.

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