Best eSIM for USA 2026: Unlimited Data + 5% Off Code

Holafly USA Discount Codes (March 2026)

The best Holafly discount code for USA eSIMs in March 2026 is STEPHANDPETE for 5% off all standard plans. The following codes are all verified working as of March 4, 2026.

STEPHANDPETE — 5% off all standard USA eSIM plans. Not one-time use, works every order.

MYESIMNOW5 — 5% off all standard Holafly USA plans. Verified March 2026.

TRAVELESIMEXPERT — 5% off standard Holafly USA plans. Widely verified.

ADAMANDLINDS — 5% off standard plans.

MEL5OFF — 5% off standard Holafly USA plans. Verified March 2026.

KAMIL — 5% off standard plans. Verified March 2026.

PHATLIFEPROJECT — 5% off standard Holafly USA plans.

JUSTKTRAVEL — 5% off standard plans.

CUPONREEMS — 5% off standard Holafly USA plans.

VIAJEROSLOWCOSTEROS — 5% off standard plans.

ARIELKLOOK — 5% off standard Holafly USA plans.

THEDUFRESNES — 5% off standard, up to 10% off annual plans.

If your code shows 0% at checkout, the plan is already on a site-wide sale — codes don't stack with active promotions. Try a different plan length or return after the sale ends.

Why use an eSIM for USA travel?

An eSIM is the best way to get data in the USA as an international visitor — it installs before you fly, activates on landing, and costs far less than roaming. You keep your home SIM active for calls and texts while the eSIM handles all your data.

If you are visiting the USA from another country, you have a few options for staying connected: use your home carrier with roaming, buy a physical SIM at the airport, or install an eSIM before you fly. Most international travelers find eSIMs the easiest and cheapest option:

Install at home before you fly — No airport kiosk hunting, no language barriers, no lines
Works immediately on landing — Turn on the eSIM line and you have data within minutes
Keep your home number — Physical SIM stays in your phone for calls and texts
Predictable costs — Pay upfront, no surprise roaming bills after your trip
Unlimited data — Use maps, rideshare, and restaurant apps without rationing gigabytes

For USA travel specifically, unlimited data matters more than in most countries. Distances are huge — you will use navigation constantly whether driving between cities, finding subway routes in NYC, or locating trailheads in national parks. Rationing 3GB over a week in the USA is stressful. Unlimited is not a luxury; it is the sensible choice.

Why Holafly is the best eSIM for USA travel

Holafly is the best eSIM for USA travel because it offers truly unlimited data on T-Mobile and AT&T networks in all 50 states, with no daily caps, hotspot included, and simple QR code installation. At $27 for 7 days (with code STEPHANDPETE), it costs less than two days of typical international roaming.

Unlimited data with no daily caps

Holafly USA plans include truly unlimited data with no hidden daily limits. This matters when you are uploading photos from the Grand Canyon, streaming music on a California road trip, or video calling home from your hotel.

Runs on T-Mobile and AT&T networks

Holafly eSIMs in the USA connect to T-Mobile and AT&T — the two largest networks, with strong coverage in cities and decent rural coverage. In populated areas and along major highways, connection is consistently reliable.

Hotspot included

Most Holafly USA plans allow hotspot sharing. Helpful if you are traveling with family or need to connect a laptop for work during a longer stay.

Install in 2 minutes before your flight

Scan the QR code from your confirmation email on WiFi before you travel. When you land in the USA, switch on the Holafly line and enable data roaming — connected in under 2 minutes.

What we use

We use Holafly unlimited eSIMs for every USA trip because we do not want to think about data. Whether navigating NYC subways or uploading photos from Yellowstone, unlimited data means we just use our phones normally. Use code STEPHANDPETE for 5% off.

Traveler using phone for navigation in USA

Photos by Justin Snyder and Alex Azabache on Unsplash

Best eSIM for USA 2026: Full Provider Comparison

The best eSIM providers for USA travel in 2026 are Holafly (best overall, unlimited data), Airalo (best for light users), Nomad (best mid-range), and Saily (best budget unlimited). Holafly with code STEPHANDPETE is the top pick for most international visitors.

Provider	Data	Price (7 days)	Networks	Hotspot	Best for
Holafly USA Top Pick	Unlimited	$27 (7 days) Use code STEPHANDPETE for 5% off	T-Mobile + AT&T	✓ Yes	Most travelers — unlimited data, easiest setup, all 50 states
Airalo USA	Fixed (1GB–20GB)	$4.50 (1GB) $11.50 (3GB) $25 (10GB)	T-Mobile	Varies	Very light users, short trips, budget-first travelers
Nomad USA	Fixed (1GB–20GB)	~$13 (5GB) ~$22 (10GB)	T-Mobile	✓ Yes	Mid-range users who want a reliable fixed-data plan
Saily USA	Fixed + Unlimited options	~$14 (7 days, 5GB) ~$26 (unlimited)	T-Mobile	✓ Yes	Budget-conscious travelers who still want unlimited option
T-Mobile Tourist SIM	Unlimited (physical SIM)	$35/week	T-Mobile	✓ Yes	Long-term visitors who need a US phone number
Home carrier roaming	Varies by carrier	$70–105/week typical	Varies	Varies	Very short trips (1–2 days) if your carrier has a USA day pass

Why Holafly beats Airalo for USA trips

Airalo is cheaper if you only need 1–3GB total — realistic for a 2-day city trip with WiFi at your hotel. But for a typical week in the USA, most people blow through 3GB just with Google Maps and photos. Holafly unlimited costs $8–12 more than Airalo's mid-range plans but eliminates the stress of monitoring usage across a 7-day trip.

Why Holafly beats T-Mobile Tourist SIM

T-Mobile Tourist SIM requires visiting a store after you land — adding a task to your first jet-lagged day. Holafly installs at home in 2 minutes. For most visitors, the $8 price difference is well worth the convenience.

Best budget eSIM for USA travel

The best budget eSIM for USA travel is Airalo for light users (from $4.50 for 1GB) or Saily for budget-unlimited (from ~$26 for unlimited). If you plan to use maps, photos, and streaming regularly, Holafly unlimited with code STEPHANDPETE at $27 for 7 days is still the best value — the cost difference is minimal compared to the cost of your trip.

Best budget option: Airalo

Airalo starts at $4.50 for 1GB — ideal for travelers staying in hotels with strong WiFi who only need data for maps and messaging. Runs on T-Mobile. No hotspot on base plans.

Choose Airalo if: Trip under 5 days, mostly on hotel WiFi, very light data user.

Best budget unlimited: Holafly with code

With code STEPHANDPETE, Holafly 7-day unlimited drops to ~$25.65. For under $26, you get truly unlimited data with no monitoring required. Almost every traveler finds this worth the extra $14 over Airalo's 3GB plan.

Choose Holafly if: You will use maps, stream music, upload photos, or video call home.

Best eSIM for USA road trips

The best eSIM for a USA road trip is Holafly unlimited — it covers all 50 states on T-Mobile and AT&T networks, includes hotspot so passengers can connect too, and has no data cap so you can stream music and use navigation all day without worrying. Use code STEPHANDPETE for 5% off.

Road trips are where eSIM choice really matters. You will be using:

Navigation constantly (Google Maps, Waze, Apple Maps)
Music streaming for hours at a time (Spotify, Apple Music)
Hotspot for passengers without data plans
Photos uploading to Google Photos or iCloud in the background
Searching for gas stations, restaurants, and accommodation on the fly

A 10-day California or cross-country road trip can easily consume 20–40GB. Fixed-data plans from Airalo or Nomad will run out. Holafly unlimited handles all of this without a second thought.

Road trip coverage note

Interstate highways (I-5, I-80, I-10, I-95) have strong T-Mobile and AT&T coverage throughout. Signal can drop briefly in mountain tunnels or very remote desert stretches — download offline Google Maps for those sections before you hit the road.

Best road trip plan: Holafly 15-day ($47) or 30-day ($69) with code STEPHANDPETE for 5% off.

Best eSIM for New York City

The best eSIM for New York City is Holafly USA with unlimited data. NYC's dense subway network, constant rideshare use, and restaurant navigation make unlimited data essential. Holafly runs on T-Mobile and AT&T — both with strong NYC coverage including underground subway stations on key lines. Use code STEPHANDPETE for 5% off.

For a NYC trip specifically, here is what you will actually use data for:

Subway navigation — MTA app, Google Maps underground on select lines
Rideshare — Uber and Lyft apps running constantly between boroughs
Restaurant search — Yelp, Google Maps, OpenTable every meal
Photos — Times Square, Central Park, Brooklyn Bridge all eat storage
Museum ticketing — MoMA, Met, Whitney all require online booking

A 5-day NYC trip typically uses 8–15GB. Fixed plans are risky. The Holafly 5-day ($19) or 7-day ($27) unlimited plan with code STEPHANDPETE is the right call for most NYC visitors.

Best eSIM for USA travel from UK and Europe

The best eSIM for visiting the USA from the UK or Europe is Holafly USA with unlimited data. UK and EU travelers lose their free roaming benefits the moment they land in the USA, making an eSIM essential — Holafly costs a fraction of what UK carriers charge for USA roaming. Use code STEPHANDPETE for 5% off.

UK travelers are used to "roam like at home" across Europe — but that stops at the US border. Most UK carriers charge £5–£10 per day for USA roaming, which adds up to £35–£70 for a week. European carriers are similar. Holafly's 7-day unlimited plan costs £21–£22 (around $27) — a clear saving.

UK carrier USA roaming costs

EE: £5/day (USA day pass)
Vodafone: £6/day (International Roaming)
O2: £6/day (Travel Extra)
Three: varies, not free in USA

7 days total: £35–£42

Holafly USA eSIM for UK travelers

7-day unlimited: $27 (~£21)
Code STEPHANDPETE: 5% off
Installs before you fly
UK SIM stays active for calls

7 days total: ~£20

For most UK and European visitors, Holafly saves £15–£20 on a week trip and is simpler than activating international roaming with your home carrier.

Best eSIM for USA travel from Australia

The best eSIM for visiting the USA from Australia is Holafly USA unlimited. Australian carriers charge $10–$15 AUD per day for USA roaming — a week costs $70–$105 AUD. Holafly's 7-day unlimited plan costs around $43 AUD with code STEPHANDPETE, making it the clear choice for Australian visitors to the USA.

Australian carriers typically offer USA roaming via day passes:

Telstra: $10 AUD/day (USA included in International Day Pass)
Optus: $10 AUD/day (International Roaming Day Pass)
Vodafone AU: $5 AUD/day (Travel Pass)

For a 14-day USA trip from Australia (a common length given the long-haul flight), that is $70–$140 AUD in roaming charges. Holafly 15-day unlimited costs $47 USD (~$72 AUD) before code — and with STEPHANDPETE, around $68 AUD. For 14+ day trips, Holafly is nearly always cheaper and simpler.

Holafly USA eSIM pricing by trip length

Holafly USA eSIM plans start at $19 for 5 days and go up to $99 for 90 days. The 7-day plan at $27 is the most popular for week-long USA trips. Use code STEPHANDPETE for 5% off any plan length.

Weekend trip (3–5 days)

Holafly 5-day plan: $19
With STEPHANDPETE: ~$18.05

Perfect for: NYC long weekend, Miami beach trip, Las Vegas visit, quick business trip.

1-week vacation (7–10 days)

Holafly 7-day: $27 · 10-day: $34
With STEPHANDPETE: ~$25.65 / ~$32.30

Perfect for: California road trip, NYC + Boston + DC, Florida theme parks, national park tour.

2-week trip (15 days)

Holafly 15-day plan: $47
With STEPHANDPETE: ~$44.65

Perfect for: East Coast + West Coast combo, extended national parks trip, multiple-city tour.

Long trip (30–90 days)

30-day: $69 · 60-day: $87 · 90-day: $99
With STEPHANDPETE: 5% off each

Perfect for: Extended vacation, remote work, multi-month road trip.

Codes STEPHANDPETE, MYESIMNOW5, MEL5OFF, or KAMIL all give 5% off at checkout on any plan length.

Photos by Ferdinand Stöhr and Vitaly Sacred on Unsplash

Where does Holafly USA eSIM work?

Holafly USA eSIM works in all 50 states including Hawaii and Alaska, running on T-Mobile and AT&T networks. Coverage is excellent in all major cities, tourist destinations, national parks, and along interstate highways. Signal can be weak in very remote backcountry areas.

Excellent coverage

Major cities: New York, Los Angeles, Chicago, Houston, Phoenix, Philadelphia, San Antonio, San Diego, Dallas, Miami, Boston, Washington DC, Seattle, San Francisco, Las Vegas, Atlanta, Denver, Nashville
Tourist destinations: Orlando, New Orleans, Austin, Portland, Savannah, Sedona, Santa Fe, Honolulu
National parks: Yellowstone, Yosemite, Grand Canyon, Zion (main areas), Great Smoky Mountains, Bryce Canyon, Arches
Interstate highways: I-95, I-5, I-10, I-80, I-40, I-70, and other major routes

Spotty or no coverage

Deep backcountry and wilderness — download offline maps before heading out
Remote sections of Montana, Wyoming, and Nevada desert far from towns
Some Native American reservation areas in the Southwest

Ski resort coverage note

If you are visiting Aspen, Vail, Park City, or Lake Tahoe, coverage is generally good at resort bases and lodges. Signal can weaken on chairlifts and in backcountry terrain. Download offline maps before heading to higher elevations.

How to install your USA eSIM

Install your Holafly USA eSIM at home before your flight by scanning the QR code from your confirmation email. After landing, turn on the Holafly line in Settings, enable data roaming, and you are connected within 1–2 minutes.

Before you fly (at home on WiFi)

Buy your USA eSIM at stephandpete.co/holafly
Use code STEPHANDPETE for 5% off (or MYESIMNOW5 / MEL5OFF / KAMIL)
Check email for QR code (arrives within minutes of purchase)
Screenshot the QR code for offline access
Go to Settings → scan QR to install eSIM profile
Label it "Holafly USA" or "Travel eSIM"
Keep the eSIM turned off until you land to preserve your plan days

After landing in the USA

Toggle airplane mode on briefly, then off
Go to Settings → Cellular (iPhone) or SIMs (Android)
Turn on the Holafly eSIM line
Set mobile data to Holafly
Enable data roaming for Holafly only (keep it off for your home SIM)
Wait 1–2 minutes for the connection to establish
Test by loading Google Maps or any webpage

Troubleshooting if no connection

Toggle airplane mode on and off again to force network reattachment
Confirm data roaming is ON for the eSIM line, OFF for home SIM
Restart your phone completely
Contact Holafly support via their app (available 24/7)

For more eSIM setup tips, see our 7 eSIM Mistakes guide.

USA eSIM FAQs

What is the best eSIM for USA travel?

The best eSIM for USA travel in 2026 is Holafly with unlimited data. It works in all 50 states on T-Mobile and AT&T, installs before you fly, and costs $27 for 7 days — far less than international roaming. Use code STEPHANDPETE for 5% off. MYESIMNOW5, MEL5OFF, and KAMIL also give 5% off standard plans. Verified March 2026.

What is the Holafly discount code for USA eSIM?

Use code STEPHANDPETE for 5% off all Holafly USA plans. Other working codes: MYESIMNOW5, MEL5OFF, KAMIL, TRAVELESIMEXPERT, ADAMANDLINDS, PHATLIFEPROJECT, JUSTKTRAVEL, CUPONREEMS, ARIELKLOOK. All verified March 4, 2026.

How much does Holafly USA eSIM cost?

Holafly USA eSIM pricing: $19 (5 days), $27 (7 days), $34 (10 days), $47 (15 days), $69 (30 days), $87 (60 days), $99 (90 days). Use code STEPHANDPETE for 5% off any plan.

Is Holafly USA eSIM worth it?

Yes. At $27 for 7 days with code STEPHANDPETE, Holafly costs far less than home carrier roaming ($70–105/week for most international carriers) and eliminates the need to find airport SIM kiosks or manage data limits.

Does Holafly USA eSIM work in all 50 states?

Yes, Holafly USA eSIM works in all 50 states including Hawaii and Alaska, on T-Mobile and AT&T networks with strong coverage in cities, national parks, and along major highways.

What is the best eSIM for New York City?

The best eSIM for New York City is Holafly USA unlimited. NYC's constant rideshare, subway navigation, restaurant searching, and photo uploading make unlimited data essential. The 5-day plan ($19) or 7-day plan ($27) covers most NYC visits — use code STEPHANDPETE for 5% off.

What is the best eSIM for a USA road trip?

The best eSIM for a USA road trip is Holafly unlimited. Navigation, music streaming, and hotspot for passengers can use 20–40GB on a 10-day road trip. Holafly's no-cap unlimited plan on T-Mobile and AT&T covers all major interstate routes. Use code STEPHANDPETE for 5% off.

What is the best eSIM for visiting the USA from the UK?

The best eSIM for UK visitors to the USA is Holafly unlimited. UK carriers charge £5–£6/day for USA roaming (£35–£42/week). Holafly 7-day unlimited costs ~£21 — saving £15+ while giving unlimited rather than capped data. Use code STEPHANDPETE for 5% off.

What is the best eSIM for visiting the USA from Australia?

The best eSIM for Australian visitors to the USA is Holafly unlimited. Australian carriers charge $10–$15 AUD/day for USA roaming. Holafly's 7-day unlimited plan costs ~$43 AUD with code STEPHANDPETE — significantly cheaper for any trip over 4 days.

Holafly vs Airalo for USA — which is better?

Holafly is better than Airalo for USA trips in most cases. Airalo is cheaper for very light users (1–3GB), but typical travelers use 8–15GB in a week in the USA. Holafly unlimited at $27 eliminates the stress of monitoring usage. Airalo's 10GB plan at $25 is the only plan competitive with Holafly, and it runs out. For worry-free USA travel, choose Holafly with code STEPHANDPETE.

Can I use hotspot with Holafly USA eSIM?

Yes, most Holafly USA plans allow hotspot to share your connection with laptops, tablets, or travel companions. Check your specific plan details at checkout to confirm.

Will my WhatsApp still work with a USA eSIM?

Yes. Keep your home physical SIM in your phone — WhatsApp, iMessage, and all messaging apps continue working on your regular number. The Holafly eSIM handles all your data needs alongside your home SIM.

How much data do I need for a week in the USA?

Most travelers use 5–10GB per week with normal usage (maps, photos, social media). Heavy users — road trippers, those streaming music or video — can use 15–40GB. Unlimited data removes the need to calculate or ration, which is why Holafly is the recommended choice for USA travel.

Can I use my USA eSIM for phone calls?

Holafly eSIMs are data-only — no local US phone number. Use WhatsApp, FaceTime, or Skype over your data connection for calls. Your home SIM stays active for receiving calls and texts on your regular number.

What happens when my eSIM plan expires?

Your eSIM stops working when the plan duration ends. You can top up or buy a new plan through the Holafly app. It is better to buy slightly more days than you think you need rather than run out mid-trip.

Does Holafly USA eSIM work in Hawaii and Alaska?

Yes, Holafly USA eSIM works in both Hawaii and Alaska — included in the standard USA plan at no extra cost, on T-Mobile and AT&T networks.

Ready for your USA trip?

Get your Holafly USA eSIM before you fly. Install at home in 2 minutes, works immediately when you land in any of the 50 states. Use code STEPHANDPETE for 5% off at checkout.

Get Holafly USA eSIM →

Affiliate disclosure: I may earn a commission if you purchase through my links at no extra cost to you. I use Holafly for travel and only recommend products I actually use and trust.

Best eSIM for USA 2026: Unlimited Data Guide for All 50 States