The Complete Guide to the USA

The United States is too big to plan the way you'd plan France or Portugal — there's no single national identity to build a trip around, just a collection of genuinely different regions that happen to share a passport requirement. This is the guide our Persocal team uses to talk clients through their first serious US trip: not a coast-to-coast checklist, but a way to pick two or three regions that actually make sense together.

Best time to visit the USA

There's no single national answer, because climate varies enormously by region. Spring and fall (April–May, September–October) work well almost everywhere except ski regions.

Summer is peak season for national parks and the West, but brutally hot in the Southwest desert and humid in the South. Winter is ideal for the Southwest and Florida, difficult in the Northeast and Midwest, and the entire point if skiing in Colorado or Utah is the goal.

How many days do you need

A week covers one region well — New York and the Northeast, or California's coast, or one national park cluster. Ten to fourteen days lets you combine two, usually with a domestic flight between them given the distances involved. Trying to cover both coasts in under two weeks generally means a lot of time in airports and not enough time anywhere else.

The Northeast (New York, Boston, D.C.)

Dense, walkable, historically rich cities within a few hours of each other by train — the Northeast Corridor's Amtrak service connects New York, Boston, Philadelphia, and Washington D.C. well enough that a car isn't necessary for this specific region. New York alone deserves four or five days minimum; trying to add Boston and D.C. to a one-week trip usually means shortchanging all three.

California (Los Angeles, San Francisco, the coast)

Two very different cities anchoring a coastline built for driving. LA is sprawling and car-dependent, built around distinct neighborhoods more than a single walkable core. San Francisco is compact and walkable in a way LA isn't. The drive between them along the Pacific Coast Highway, through Big Sur, is one of the most scenic road trips in the country and worth two or three days on its own rather than a rushed day-trip pass-through.

The Southwest and national parks

Arizona, Utah, and Nevada hold the country's most dramatic public land — the Grand Canyon, Zion, Bryce Canyon, Arches, and Monument Valley, all within driving distance of each other if you're willing to commit to a road trip rather than flying between them. Las Vegas works as an odd but practical hub for this region, with an international airport and easy access to several parks within a few hours' drive.

The South (New Orleans, Nashville, Charleston)

A genuinely different America from the coasts — slower, food-forward, built around music and history more than skylines. New Orleans and Nashville pair well for a music-and-food-focused trip; Charleston and Savannah pair well for a slower, historic-architecture-focused one. Humidity and heat make summer a rough season here; spring and fall are considerably more comfortable.

The Pacific Northwest and Rockies

Seattle and Portland anchor a region built around mountains, coffee, and an outdoors-first culture — closer in spirit to parts of Northern Europe than to the rest of the US. Combine either city with a drive into the Cascades or, for something bigger, extend into Montana and Wyoming for Glacier and Yellowstone National Parks, both genuinely different landscapes from the Southwest's red rock desert.

Hawaii and Alaska

Both technically part of the country and both entirely their own trips rather than an add-on to a mainland itinerary. Hawaii works as a standalone beach-and-volcano trip, closer in feel to the South Pacific than to the continental US. Alaska, mostly visited via cruise or a dedicated land tour, is a serious commitment in both time and cost, better treated as its own dedicated trip than folded into a broader USA itinerary.

Getting around the USA

Distances make this the biggest planning difference from a European trip. Domestic flights are the practical way to move between regions — New York to Los Angeles is roughly six hours by air and multiple days by car. Within a single region, a rental car is close to essential outside the Northeast Corridor, since public transit between cities is limited almost everywhere else in the country.

Money and daily costs

The US runs pricier than most of Europe for comparable quality, particularly in New York, San Francisco, and Los Angeles. As a rough guide: budget travelers manage on $100–140 a day; a mid-range trip with sit-down meals and three-star hotels runs $200–300 a day; luxury travel starts around $450 and climbs considerably in major cities. Tipping is expected and meaningfully higher than in most countries — 18–20% at restaurants is standard, not exceptional.

Visa and entry requirements

Most visitors from visa-waiver countries — including the UK, most of the EU, Australia, and several others — need an approved ESTA authorization before flying, arranged online in advance rather than on arrival. Other nationalities require a full visa application, which can take weeks to months depending on the country and time of year, so this is worth sorting well before booking flights.

Safety and practical notes

Standard big-city precautions apply in major urban centers, similar to any large city worldwide. Tap water is safe to drink virtually everywhere. Distances and time zones are the most common planning surprise for international visitors — the country spans four main time zones, and a flight from New York to Los Angeles crosses three of them, which affects both trip pacing and how jet lag hits partway through a coast-to-coast trip.

Is the USA good for a first-time visit?

It depends heavily on what "the USA" means to you specifically — there's no single itinerary that captures the country the way a Paris-to-Riviera route captures France. The strongest first trips pick one clear region and go deep rather than trying to sample the whole country in one visit.

FAQ

Is the USA expensive? Generally pricier than most of Europe for comparable quality, particularly in major coastal cities.

Do I need a car? Not in the Northeast Corridor; close to essential almost everywhere else, especially the Southwest and national parks.

How many days do I need? A week covers one region well. Ten to fourteen days lets you combine two, typically with a flight between them.

What's the biggest mistake first-time visitors make? Trying to see both coasts in one short trip — the distances and time zones make this far more draining than it looks on a map.