Prices and plan terms are as of November 2026 and change often. Some links on this site may be affiliate links; see the disclosure page. This is general information, not financial advice.
Picture the curb at JFK. Your phone needs a signal for the ride app, the hotel’s check-in message and a map, and you would rather not learn your roaming bill after you get home. The best eSIM for USA travel solves that with a few minutes of setup before you fly, but “best” depends on how long you stay, whether you need a US number, and how much data you really use.
I live in New York, so I have not bought a visitor eSIM on arrival, and I won’t pretend otherwise. This guide compares what each provider publishes on its own pages, checked in November 2026, and then adds what matters in this city, starting with the subway.
Quick Answer: Best eSIM for USA Travel in 2026
- Need a US number and unlimited data for 7 to 30 days: T-Mobile’s U.S. Pass is the lowest-priced option I found that includes US talk and text ($25 for 7 days, $50 for 30 days).
- Light use on a long weekend: Saily’s 1 GB plan for 7 days is $3.99, and its 3 GB plan for 30 days is $8.99. Both are data-only.
- Unlimited data, no number needed: Airalo’s 7-day plan is $25.00 and Holafly’s is $27.50.
- AT&T’s visitor eSIM is newer, is bought after you land, and lists unlimited talk and text as coming soon.
- In New York: stations have signal, but tunnel coverage is still being built, so download offline maps before you ride.
How I Compared These Plans
I looked at five things: price for a given trip length, whether the plan includes calls and a US number, hotspot rules, which network it runs on, and when you can buy and install it. Prices come from each provider’s own page or announcement, not from review sites. This is a snapshot of five options for the best eSIM for USA travel, not every plan on the market.
Best eSIM for USA Travel: Plans Compared (November 2026)
Which Plan Fits Which New York Trip
Unlimited plans are priced by length of stay, so the gap between providers widens as the trip gets longer. Here are the published prices side by side.
| Trip length | T-Mobile U.S. Pass | Airalo unlimited | Holafly unlimited |
|---|---|---|---|
| 3 days | n/a (shortest pass is 7 days) | $11.50 | $11.90 |
| 7 days | $25 | $25.00 | $27.50 |
| 10 days | $30 | $34.00 | $36.50 |
| 14 or 15 days | $35 (14 days) | $46.00 (15 days) | $50.50 (15 days) |
| 30 days | $50 | $68.00 | $73.90 |
At one week the three are within a few dollars of each other. From ten days on, T-Mobile’s pass is cheaper and also includes talk and text, while the other two are data-only. If your phone use is mostly maps, messages and ride apps, a fixed-data plan from Saily can cost a fraction of any unlimited option, but you are the one watching the gigabytes.
Plan-by-Plan Notes
T-Mobile Prepaid U.S. Pass
T-Mobile announced the pass on May 7, 2026, with availability from May 18. Each pass includes 5 GB of high-speed data in Mexico and Canada, counted together with any hotspot use. Coverage of the launch describes buying online before you travel, installing the eSIM from a QR code, and the plan starting when your phone connects to T-Mobile in the US. You need an unlocked, eSIM-compatible phone. The release carries a “subject to change” note, so confirm the price on the day you buy.
eSIM by AT&T
AT&T sells 1, 7, 15 and 30-day passes through its Connect on Demand app. AT&T’s support page describes buying after you arrive in the US, requires an unlocked 5G phone with dual SIM enabled, and says plans are not refundable or transferable. If you delete the eSIM or switch phones, you buy again. AT&T’s own pages do not list prices, so the figures above come from press coverage at launch.
Holafly
Every Holafly USA plan is marketed as unlimited, but the provider says network fair-usage rules can slow speeds, for no more than a day at a time. Hotspot is capped at 1 GB per day. There is no phone number, so calls and texts go through apps such as WhatsApp. Refunds can be requested within six months, with conditions.
Airalo
Airalo’s USA page lists six unlimited plans, from 3 to 30 days, on T-Mobile and one other network it does not name. The page does not state hotspot rules or a fair-use limit, so read the plan details at checkout before you rely on tethering.
Saily
Saily’s USA plans run from 1 GB to 20 GB, and the page says hotspot has no restrictions. The data plans do not include calls or a number. The page also lists a 15-day unlimited plan at $45.99, but its FAQ describes a different unlimited plan, so confirm which one you are buying.
eSIM vs Physical SIM vs Home Roaming
| Option | Setup | Your number | Cost control | Best for |
|---|---|---|---|---|
| Travel or carrier eSIM | Install before you fly or on arrival | Home number stays on your main SIM | Fixed price per plan | Most visitors |
| Physical US prepaid SIM | Store visit and an open SIM slot | New US number | Fixed monthly or short-term price | Long stays |
| Home carrier roaming | None | Unchanged | Depends on your carrier’s day pass | Very short trips |
Check your own carrier’s roaming day pass before you decide, because the price varies widely by carrier and country. Roaming is the only option here that needs no setup, which is worth something at a tired airport curb. Add the connectivity line to the NYC Trip Budget Calculator so it sits next to your hotel and transit costs.
What an eSIM for New York Changes (and Doesn’t)
An eSIM for New York solves the airport, the sidewalk and the hotel lobby. The subway is more mixed. Cell service and Wi-Fi reach every underground station, but the tunnels between stations are being wired line by line. The 42nd Street Shuttle tunnel was first, and the L train tunnel between Bedford Avenue and 1st Avenue followed. AT&T has also lit segments of the 4/5 and G lines. The full build-out of all 418 track miles is targeted for 2032.
In practice, expect gaps between stations on many lines. Download an offline map and a playlist before you descend, and treat the ride as a rare stretch of quiet. It suits a slow trip better than a perfect signal does.
Setup Checklist Before You Fly
- Check that your phone is unlocked and eSIM-capable. Ask your carrier if you are unsure. AT&T’s plans also require a 5G phone with dual SIM enabled.
- Buy and install ahead where the provider allows it. Most travel eSIMs can be installed from a QR code at home. AT&T’s flow is the exception: its support page describes buying after you land.
- Keep your home SIM active for calls and bank texts, and turn off its data and roaming so it does not bill you.
- Name the eSIM line something obvious, such as “NYC data,” and set it as your cellular data line on arrival.
- Save offline maps and your hotel details while you are still on home Wi-Fi.
- Skim the arrival-day basics in the first-time NYC travel checklist, and if you will be clearing customs with a trusted-traveler program, see the Global Entry and TSA PreCheck guide.
Reality Check: Where Travel eSIMs Fall Short
- “Unlimited” has terms. Holafly publishes a fair-use policy and a daily hotspot cap, and AT&T says it may slow speeds when the network is busy. T-Mobile’s pass pairs unlimited 5G with a fixed premium-data and hotspot allowance.
- Data-only means no US number. If a restaurant, delivery app or doctor’s office texts a code to a US number, a data-only plan may not receive it. Only T-Mobile’s pass includes US talk and text among the options here.
- Refunds differ. Holafly allows refund requests within six months with conditions. AT&T’s plans are not refundable or transferable.
- Prices are a snapshot. Several of these products launched in May 2026, and T-Mobile’s release says terms are subject to change. Recheck before you pay.
- I have not tested these on arrival. Network performance in a crowded Midtown block or outside the city can differ from the plan page, so treat speed claims as the provider’s, not mine.
- Sharing data adds up. Hotspot caps matter if you plan to work from a laptop in a café.
FAQ
What is the best eSIM for USA travel for a one-week New York trip?
If you want unlimited data and a US number, T-Mobile’s 7-day U.S. Pass at $25 is the strongest value among the options I compared. If you only need maps and messages, Saily’s 1 GB plan at $3.99 costs far less. Airalo’s 7-day unlimited plan is $25.00 and Holafly’s is $27.50, both data-only.
Can I get a US phone number with a travel eSIM?
Most travel eSIMs are data-only. T-Mobile’s U.S. Pass includes unlimited talk and text in the US, Mexico and Canada, and Saily says a US number is available as a separate eSIM. AT&T lists talk and text as coming soon.
Does an eSIM for New York work in the subway?
It works in underground stations, since the MTA reports cell service at all of them. Many tunnel segments between stations do not have coverage yet, though several lines have been upgraded.
Can I install the eSIM before I fly?
For T-Mobile, Holafly and most marketplace eSIMs, yes: you install from a QR code and the plan starts when it connects in the US. AT&T’s support page describes buying and activating after you arrive. Always read the provider’s activation rules before you leave.
Is an eSIM cheaper than roaming?
It depends on your home carrier’s day-pass price and your trip length. Compare the day-pass total for your dates against the plan prices in the tables above.
The Bottom Line
For most visitors, the choice is simple. Pick T-Mobile’s U.S. Pass if you want a number and unlimited data for a week or more. Pick a small fixed-data plan if your phone is mostly a map. Pick Airalo or Holafly if you want data-only unlimited, and read the fair-use terms first.
Whichever you buy, the best eSIM for USA travel is the one sized to your trip, and an eSIM for New York only needs to be good enough that you can put the phone away. Download your maps, set the phone down on the platform, and look around.