Questions
Good to know
What do I need to enter the United States?
It depends on the passport you travel on. Check the official source (U.S. Department of State: visas: https://travel.state.gov/content/travel/en/us-visas.html) for your nationality. ESTA — Electronic System for Travel Authorization: Visitors whose passport is covered by the scheme. Check your passport first: TripEase tells you whether you need it. Submit: Before you travel. See the official site for timing. Official site: https://esta.cbp.dhs.gov/ TripEase shows the rule for your passport and links straight to the official sites. It never fills in or submits forms for you.
Is the ESTA — Electronic System for Travel Authorization free?
An official fee is charged on the official site. Lookalike sites add their own charges on top. Only use the official site, https://esta.cbp.dhs.gov/; lookalike sites can charge for it.
How do I get from the airport into the city in United States?
Use the transport page on the airport's official website for trains, buses and taxis, and use official taxi ranks or ride apps you trust. TripEase's "I'm landed" screen puts these in one place.
What currency and plugs does United States use?
The currency is the US dollar (USD). Plug types: A, B (source: IEC World Plugs). Bring a little local money or a card that works abroad for your first hour.
Can I use an eSIM in United States?
Usually yes, if your phone supports eSIM and is unlocked. Install it before you fly while you're on Wi-Fi, and switch it on when you land. Check your carrier's roaming prices too.
Last checked 2026-10-20. General information, not legal advice. Rules can change at short notice: always confirm on the official site or with your airline. TripEase isn't affiliated with any government.