Compare prices and tickets Dublin to Portsmouth by flight
Compare flight prices over the next three weeks. See the best deals at a glance, find the lowest fares, and choose the option that fits your budget.
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Journey information
Overview: Train from Dublin to Portsmouth
Take a train from Dublin to Portsmouth and enjoy the approximately 280 miles (451 km) long journey. Find schedules and pricing options for a convenient and affordable trip.
Distance 280 miles (451 km) |
FAQs: Trains from Dublin to Portsmouth
Find answers to the most common questions about traveling from Dublin to Portsmouth by train. From journey times and ticket prices to direct connections, first and last departures, and even whether the route is scenic, our FAQs cover everything you need to plan your trip. Whether you’re looking for the fastest train, the cheapest option, or tips for making the most of your visit at Portsmouth, this guide helps you travel smarter and with confidence.

Most popular train connections from Dublin
More options for your journey from Dublin to Portsmouth
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