18 days in United States: itinerary
A realistic 18-day route through United States with sensible stop lengths, travel days and costs.
6 min read · Updated 2026-08-01
Desert national parks by rental car from Las Vegas.
The route
- Days 1–9: Utah & Southwest Parks
- Days 10–18: California Coast
Why this order works
It keeps transfers short and ends near a major airport. A rental car is the default outside a handful of dense cities, and road trips are a core way to travel here
What it costs
At mid-range pace, an estimated $5,760 per person on the ground, excluding flights.
When to run it
Best months: May, June, September, October.
Recommended destinations
Where to go in United States
New York City
Dense, walkable and transit-served: museums, food, theatre and distinct neighbourhoods.
Explore New York City
California Coast
San Francisco to Los Angeles via Big Sur — the classic Pacific road trip.
Explore California Coast
Utah & Southwest Parks
Zion, Bryce, Arches, Canyonlands and the Grand Canyon on one desert road-trip loop.
Explore Utah & Southwest Parks
Florida
Warm-winter beaches, the Keys, the Everglades and family theme-park capitals.
Explore FloridaRelated guides
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