Touring Paris in 3 Days

• Day 1: Eiffel Tower, Louvre Museum, Notre-Dame Cathedral
• Day 2: Champs-Élysées, Arc de Triomphe, Palace of Versailles
• Day 3: Sacré-Cœur Basilica, Montmartre, Seine River Cruise

Time and Costs Estimates

• Eiffel Tower (2-3 hours, $25)
• Louvre Museum (2-3 hours, $20)
• Notre-Dame Cathedral (1-2 hours, Free)
• Champs-Élysées (2-3 hours, Free)
• Arc de Triomphe (1-2 hours, $15)
• Palace of Versailles (4-6 hours, $25)
• Sacré-Cœur Basilica (1-2 hours, Free)
• Montmartre (2-3 hours, Free)
• Seine River Cruise (1 hour, $15)
• Total Estimated Costs: $125

Transportation

To tour the city, travelers can use the Paris Metro which operates from 5:30 AM to midnight, with some lines operating until 1 AM. The tickets are priced at $2.5 for a single trip and $13 for a pack of 10 tickets. It's also advisable to use ride-hailing services to travel to and from the airport. The fare costs around $50 - $75 and takes about 30 minutes.

Useful Tips

If you have more time, you can visit other famous attractions such as the Orsay Museum and the Catacombs of Paris. On the other hand, if you have less time, you can skip the Palace of Versailles and spend more time exploring Montmartre and the surrounding area.