First trip to the USA: East or West, and how many days?

For a first trip to the United States, choose the East if you are coming for the cities and do not want to drive, the West if you are coming for the national parks and accept spending time at the wheel. Ten days are enough in the East, where New York and Washington are visited by train and subway. The West needs more like fifteen: the flight is longer, the time difference greater, and nothing can be visited without a car outside the cities.

Do not try to do both. To give a sense of scale, our two big itineraries last 88 days for the East and 89 days for the West, which means around 10,550 miles (17,000 km) of road for the latter.

East or West of the United States: the table to choose

Your criterion	The East	The West
What you are coming to see	New York, Washington, Boston, the museums and the country’s history	Grand Canyon, Zion, Yosemite, deserts, Las Vegas, California
Car	Pointless from Boston to Washington: train between the cities, subway once there	Essential as soon as you leave a city
Best season	Spring and autumn	May, June, September and October for the canyons
In July and August	Humid heat from New York to Louisiana; New England stays pleasant	Deserts to be avoided; Yosemite, Yellowstone and the California coast are open
In winter	Florida, in the dry season from November to April	The deserts and Southern California; Zion and Bryce Canyon are under snow
Direct flight from London	Around 8 h to New York	Around 11 h to Los Angeles
Time difference	5 hours between London and New York	8 hours between London and California
What weighs on the budget	The hotel and meals in New York	The car, gas and the national parks pass
Minimum useful length	10 days	2 weeks

The flight times are orders of magnitude for a direct flight, to be checked on your ticket; a connection makes them longer.

Flight time and time difference: the West costs more time

When it is noon in London, it is 7:00 am in New York and 4:00 am in Los Angeles. Between the two coasts, there is therefore a 3-hour gap, and around 3 more hours of flying from Europe. These gaps hold all year round, except for a few weeks in March, then at the end of October, when they lose an hour: Europe and the United States do not change their clocks on the same day.

On a short stay, that matters. Ten days of travel, flights included, leave eight nights on the ground: in the East, you are in the city from the first evening; in the West, you still have to pick up the car and reach the first park.

Tip: Whichever side you choose, put two city days at the start of the trip, in New York or Las Vegas, before the first long drive. You absorb the jet lag on foot rather than at the wheel.

Car or no car: the question that settles it fastest

In the East, a car is a burden. New York can be visited entirely by subway. Amtrak’s Northeast Regional train serves Boston, New York, Philadelphia and Washington, from city center to city center. With a car, hotel parking costs $25 to $70 a night in Washington, Philadelphia or Chicago, at the time of writing, in October 2026.

In the West, the car is the trip. The parks are several hours’ drive from one another, and gas stations are rare inside the parks. Only the cities are an exception: in San Francisco, you are better off parking it and doing everything by tram, cable car and on foot.

Season and budget: two criteria that decide between them

The season. If your dates are fixed, they sometimes choose for you:

• May, June, September, October: both sides are at their best, choose according to what appeals to you.
• July and August: the high-altitude West or New England, but neither the deserts nor the South.
• From November to April: Florida in the East, the deserts and Southern California in the West.

The full calendar is in when to go to the United States.

The budget. The two sides do not cost money in the same place. In the East, it is accommodation and meals: between Boston, New York, Philadelphia and Washington, New York is the most expensive city. In the West, it is the car rental, gas and the parks.

Watch out: The annual national parks pass costs $250 for a visitor who does not live in the United States. Without it, each non-resident aged 16 and over pays $100 on top of the entrance fee in eleven parks, including the Grand Canyon, Zion, Bryce Canyon, Yosemite and Yellowstone. Prices noted on nps.gov in October 2026, to be checked again before you leave.

The prices noted item by item are in the budget for a trip to the United States.

How many days in the United States: 10 days, 15 days or 3 weeks

The nights below are counted on the ground, flights deducted.

Length	In the East	In the West
10 days (8 nights)	New York 5 nights, Washington 3 nights, by train	Las Vegas, Zion, Bryce Canyon, Page and the Grand Canyon: feasible, but tight
15 days (13 or 14 nights)	Boston 3 nights, New York 6, Philadelphia 2, Washington 3	The canyon loop from Las Vegas, with Capitol Reef and Monument Valley on top
3 weeks	The four cities, plus a week by car: New England or Florida	The canyons, then Death Valley, Yosemite and San Francisco

In 10 days, the East is the safest choice: two cities, a single train journey, no road. In the West, ten days force you into one stop per night or nearly. Work out each drive before you book, or keep to a single region: Las Vegas, Zion and Bryce Canyon.

In 15 days in the United States, both sides fit without rushing:

• in the East, four cities without a car, detailed in the East Coast in 2 weeks;
• in the West, the canyon loop, stop by stop in our road trip in the American West;
• if the cities of California appeal to you more than the canyons, California in 2 weeks.

In 3 weeks in the United States, you add a neighboring region, not the other coast.

• In the West, the third week links the canyons to California. It only works well from June to October, when Yosemite’s high-altitude road is open.
• In the East, it requires a car. From late May to early October, New England: Acadia National Park is around 5 hours’ drive from Boston. From November to April, Florida, with a domestic flight: Miami, the Everglades and the Keys road, 110 miles (180 km) from island to island, which takes 4 hours without stops.

The three mistakes of a first trip to the United States

• Wanting both coasts. New York and the Grand Canyon on the same trip means a domestic flight and a second time difference, taken out of your sightseeing days.
• Choosing the region before the season. Florida in September falls at the peak of the hurricane season, and Death Valley exceeds 104 °F (40 °C) from June to September.
• Counting in kilometers rather than hours. Mountain and park roads are slow: in the West, plan two nights per major park rather than one.

So, East or West for a first trip to the United States?

• You have 10 days, or you do not want to drive: the East, New York and Washington.
• You have 2 weeks and dream of wide open spaces: the West, the canyon loop from Las Vegas, in May, June, September or October.
• You have 3 weeks: stay on the same side and add a region.
• You are traveling in winter: Florida, or Southern California and the deserts.

These routes are suggestions: Étaperia does not sell any 2 or 3 week tour of the United States. Our itineraries detail each region separately and more slowly, for example New York in 9 days and the Great Southwest in 12 days. All the regions are on the United States page.