Beauvais Airport to Pontoise
What is the fastest and cheapest way to travel from the Beauvais Airport to Pontoise and back?
Your best bet is going to be the train. You'll need to get from the airport to the Beauvais train station. You can either take a taxi or the bus. On the train you'll need to transfer at the Persan-Beaumont station. From there you'll take the train to Pontoise. The trip should take about 1.5 hours and you can buy your tickets the day you travel.