Will I have signal on the Road to Hana?

Not reliably. The route twists through dense jungle with many dead zones, so download offline maps and any audio tour before leaving Kahului. Coverage returns near Hana town and the main resort areas.

Is data good enough for Hawaii's national parks?

In towns and resorts, coverage is strong. Around volcanic craters, the Na Pali cliffs and remote trails it thins or vanishes, so save maps and trail notes offline before setting out.

Hawaii eSIM.

Name: Hawaii travel eSIM
Brand: My Holiday SIM

Waikiki surf, volcanic craters and the Road to Hana - island data across the Aloha State.

from $3.12/day · unlimited dataAll of USA →

Unlimited data5G where availableInstant QR by emailKeep your number

1 · How many days?

10 daysOther:days

2 · How much data?

3GBBest pricevalid 15 days$8.24$0.82/day

Cheapest plan covering your trip: 3GB, valid 15 days.

Travellers (one eSIM each)

1 × 3GB (valid 15 days) · 10-day trip$8.24

Good to know in Hawaii

Inter-island travel means flying, not driving, so each island can hand you to a different local carrier - keep your eSIM active and re-check signal on arrival, and always download offline maps before scenic drives like Hana or Waimea Canyon.

Best time to visit Hawaii

April to May and September to October bring warm weather, calmer crowds and lower prices; winter delivers big north-shore surf and whale watching.

Two simple ways to buy

Hawaii eSIM plans: unlimited, or by the GB.

Every Hawaii eSIM from My Holiday SIM is one of two straightforward types. Pick whichever fits how you travel in Hawaii — you can always top up or switch on your next trip.

Traveller streaming and browsing freely on an unlimited-data travel eSIM

Unlimited plans

High-speed data, nothing to count

Priced per day — the longer you stay, the better the daily rate. Ideal for streaming, hotspot and longer trips where you'd rather not watch a data meter. A fair-use policy keeps speeds fast for everyone; see each plan for the detail.

Best for streaming, video calls & hotspot
Great for longer or open-ended trips
One price per day — no GB anxiety

By-the-GB plans

3GB10GB20GB

A set bundle, brilliant value

A fixed data allowance (say 3 GB or 10 GB) valid for your travel days. The best-value pick for lighter trips built around maps, messaging and a bit of browsing. Running low? Top up in a couple of taps — nothing to reinstall.

Best value for lighter, shorter trips
Clear allowance — pay only for what you need
Top up any time from your phone

Compare plans →Not every destination has both types — the picker shows what's available where you're headed.

Plan your data

How much data do you need in Hawaii?

A rough, honest guide to sizing your Hawaii eSIM so you're not guessing. Most travellers in Hawaii are comfortable on 3–5 GB a week — heavy streamers just go Unlimited.

Traveller checking maps and messages on her phone using a My Holiday SIM eSIM

Not sure? Start with a 5 GB plan — you can top up in seconds if you run low.

Light

~1 GB / week

Maps, messaging & email

Google Maps, WhatsApp, email and the odd search. Plenty for a city break where you mostly need directions.

Suits 1–3 GB plans

Balanced

3–5 GB / week

Everyday holiday use

Everything above plus social scrolling, music, cloud photo backups and a little video. Where most travellers land.

Suits 5–10 GB plans

Hawaii eSIM: your local data guide.

Hawaii spreads across islands - Oahu's Waikiki and Pearl Harbor, Maui's Road to Hana, the Big Island's active volcanoes and Kauai's Na Pali cliffs. A Hawaii eSIM keeps surf forecasts, luau bookings and winding-road navigation live as you island-hop, so you're never stranded without maps on a remote coastal drive.

One eSIM for Hawaii and all of USA. It's the national USA eSIM — from $3.12/day with unlimited data, working the same in Hawaii as it does the moment you leave it.

Landing at Daniel K. Inouye International, Honolulu (HNL)?

Install the QR at home, then switch the eSIM on as you taxi in — you're online before you reach the arrivals hall.

Hawaii eSIM pricingbest-value plan · per day

Days

Per day

Total

Saving

3 days1GB

$1.05

$3.14

—

5 days1GB

$0.63

$3.14

−40%

7 days1GB

$0.45

$3.14

−57%

10 days3GBPopular

$0.82

$8.24

−22%

15 days3GB

$0.55

$8.24

−48%

30 days5GB

$0.37

$10.98

−65%

Each trip length shows the best-value plan that covers it. Total always shown before you pay.

eSIM vs the old ways in Hawaii

eSIM

ROAMING

AIRPORT SIM

Data allowance

Unlimited

Usually capped

Rarely unlimited

Price known upfront

Prepaid

Billed after

Varies at the desk

Ready when you land

Instantly

After the queue

Keep WhatsApp number

SIM swapped

Hawaii eSIM from $3.12/day — the whole bill, agreed before you fly.

Across the region

Where you'll lean on data in Hawaii.

Waikiki (Oahu)

Strong 5G across the beach and Honolulu for rideshare, dining and surf reports.

Road to Hana (Maui)

Signal drops sharply on the jungle switchbacks, so download the route and audio guides beforehand.

Hawaii Volcanoes National Park (Big Island)

Coverage is patchy around the craters, so save park maps offline before you arrive.

Na Pali Coast (Kauai)

Little to no signal along the cliffs and trails, whether hiking Kalalau or on a boat tour.

The practical bit

Getting around Hawaii on your eSIM.

Apps you'll want online in Hawaii

Uber— Main ride-hailing app on Oahu and Maui, including airport transfers.
Lyft— Rideshare alternative, useful when Uber is scarce on quieter islands.
DaBus2— Official real-time app for Oahu's TheBus network around Honolulu and Waikiki.
Turo— Popular car-share app for booking vehicles when rental desks sell out.

How long to stay in Hawaii

Visitors usually spend 7-12 days, often across two islands, mixing beach time with volcano parks, coastal drives and boat tours.

How much data for Hawaii

Balanced 3-5 GB suits most island holidays; choose Unlimited if you'll stream, video-call home across time zones or tether devices from your accommodation.

Coverage in Hawaii

5G and 4G are solid in Honolulu, Waikiki and the main resort towns; expect weak or no signal on the Road to Hana, the Na Pali Coast and around remote volcanic terrain.

Where you're headed

Discover Hawaii.

Relaxing beach scene with sunbathers and palm trees under a bright blue sky, ideal vacation setting.

Stunning aerial view of Waikiki Beach in Honolulu, Hawaii, showcasing palm trees and pristine sand.

Stunning aerial view of Honolulu's skyline with lush mountains and ocean in foreground.

Breathtaking view of Honolulu skyline with ocean from Diamond Head Crater.

How to activate your Hawaii eSIM.

Full installation guide →

A traveller happily planning her next trip with a map and phone

Buy your plan

Choose your days — the QR code arrives by email in seconds.

A traveller installing her eSIM from the sofa in two minutes

Install at home

Scan the QR on Wi-Fi before you fly. About two minutes, no app needed.

Friends laughing together while packing for a holiday

Fly relaxed

Nothing counts down yet — your days start only at first connection.

A joyful family reunion at the airport arrivals hall

Switch on in Hawaii

Turn the line on when you land. Connected before baggage claim.

New to eSIM in Hawaii?

What is a Hawaii eSIM?

A Hawaii eSIM is a digital SIM that's already built into your phone. Scan one QR code and a local Hawaii data plan installs alongside your home SIM — no plastic, no tray tool, no swap. Your number and WhatsApp stay exactly where they are.

✓ 2-minute install✓ Keep your number✓ Works on phones from 2018+

How eSIM works →Check my phone

A traveller with a backpack smiling at her phone — online abroad with My Holiday SIM

Connected · 5G

Home SIM · calls & WhatsAppHoliday eSIM · unlimited data

30-day refund promiseUnused, uninstalled eSIM? Full refund, no questions.

The price is the billPrepaid and final — roaming charges can't happen.

Days start when you landInstall early with zero pressure; counting begins at first connection.

Humans, 24/7Real people answer, before, during and after the trip.

Why travellers choose My Holiday SIM for Hawaii.

Instant eSIM deliveryQR code in your inbox seconds after checkout — even at the departure gate.

No physical SIMNothing to collect, lose or poke out with a paperclip. Your home SIM stays put.

Keep your WhatsApp numberData flows through us; WhatsApp stays on your home number. Family always reaches you.

A traveller at the departure gate, eSIM ready on her phone

eSIM ready in ~2 minutes

No bill shock, everOne clear price before you fly. Roaming charges simply can't happen.

Secure paymentsCards, Apple Pay, Google Pay, PayPal and Klarna — encrypted end to end.

Real human supportReal people — before, during and after your trip. Live chat and email, no bots. Easy top-ups too.

Coverage in USA.

5G where available, fast 4G everywhere else

Connected · 5G

Your eSIM joins USA's partner networks automatically — no settings to choose, no manual network hunting. If signal drops in a remote spot, toggling Airplane Mode for a few seconds forces a fresh connection.

AT&T
T-Mobile
Verizon

Popular places covered

New YorkLos AngelesMiamiLas VegasSan FranciscoOrlandoChicagoWashington DC

Keep data roaming ON for the eSIM line only — that's the switch travel eSIMs use, and it never adds charges on our plans.

Trusted networks, honest numbers.

No invented star ratings behind your Hawaii eSIM — just the numbers we actually stand behind.

Friendly globe with location pins — coverage on every continent

My Holiday SIMSTAY CONNECTED. ANYWHERE.

200+

destinations — every continent covered

regions covered by a single regional eSIM

~2 min

typical install — QR to connected

Live

chat & email support

Before you fly

Hawaii eSIM questions, answered.

Yes. It's the national USA plan, so the same eSIM works on Oahu, Maui, the Big Island, Kauai and beyond. You'll simply reconnect to a local carrier as you fly between islands - no new SIM needed each time.

Your Hawaii eSIM glossary.

eSIMA SIM built into your phone's hardware. Plans install onto it digitally — no plastic card involved.

QR profileThe code we email you. Scanning it downloads your holiday plan onto the eSIM. One scan per device.

Data roaming (the switch)The toggle travel eSIMs use to join partner networks abroad. On our plans it never adds charges — keep it ON for the eSIM, OFF for your home SIM.

Hotspot / tetheringSharing your phone's data with laptops and tablets. Included on our plans wherever networks allow.

Top-upExtra days added to a live plan from your account. They append to the end — nothing overlaps.

First connectionThe moment your eSIM first joins a network at the destination — that's when your days start counting, not before.

Travelling wider in USA?