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Saily
5 GB · 30 days
$10.99$2.20/GB
See this planBest eSIM for Naha Airport (2026)
Arriving in Japan through Naha (OKA)? Here is how to be connected from the gate, and which eSIM plans are worth it. Saily leads our ranking.
Updated September 24, 2026Prices checked September 24, 2026
We may earn a commission if you buy through our links, at no extra cost to you. It never changes the computed ranking. Affiliate disclosure
At a glance
Airalo
Unlimited · 10 days
$34.50
See this planAiralo
5 GB · 15 days
$10.50$2.10/GB
See this planPlans compared for this trip
Plan shown: the cheapest plan of each provider that covers at least 10 days and 5 GB. Tap a column header to sort.
| Provider | Data | Validity | Price | Price/GB | Japanese network | 5G | Hotspot | Score | CTA |
|---|---|---|---|---|---|---|---|---|---|
| Saily | 5 GB | 30 days | $10.99 | $2.20/GB | KDDI/SoftBank | Yes | Yes | 9.5 | View plan |
| Airalo | 5 GB | 15 days | $10.50 | $2.10/GB | SoftBank/KDDI | Yes | Not stated | 9.3 | View plan |
| Yesim | 5 GB | 30 days | $10.56 | $2.11/GB | KDDI | Yes | Yes | 9.3 | View plan |
| Holafly | Unlimited | 10 days | $36.50 | — | KDDI/SoftBank | Yes | Yes | 6.2 | View plan |
| Drimsim | 5 GB | Pay as you go | $69.84 | $13.97/GB | Not published | Not stated | Not stated | 3.3 | View plan |
Detailed ranking
- 1
Saily
Plan for this page: 5 GB · 30 days
9.5/10- Price
- $10.99
- Price/GB
- $2.20/GB
- Networks
- KDDI, SoftBank
- Hotspot
- Yes
Pros
- Unlimited plan available for Japan
- Hotspot allowed
- Two or more Japanese networks published
Cons
- Data only, no phone number
- 2
Airalo
Plan for this page: 5 GB · 15 days
9.3/10- Price
- $10.50
- Price/GB
- $2.10/GB
- Networks
- SoftBank, KDDI
- Hotspot
- Not stated
Pros
- Lowest price on this page
- Lowest price per GB on this page
- Unlimited plan available for Japan
Cons
- Data only, no phone number
- Hotspot policy not stated
- 3
Yesim
Plan for this page: 5 GB · 30 days
9.3/10- Price
- $10.56
- Price/GB
- $2.11/GB
- Networks
- KDDI
- Hotspot
- Yes
Pros
- Unlimited plan available for Japan
- Hotspot allowed
- 5G announced
Cons
- Data only, no phone number
- 4
Holafly
Plan for this page: Unlimited · 10 days
6.2/10- Price
- $36.50
- Price/GB
- —
- Networks
- KDDI, SoftBank
- Hotspot
- Yes
Pros
- Unlimited plan available for Japan
- Hotspot allowed
- Two or more Japanese networks published
Cons
- Pricier than the page average
- Data only, no phone number
- 5
Drimsim
Plan for this page: 5 GB · Pay as you go
3.3/10- Price
- $69.84
- Price/GB
- $13.97/GB
- Networks
- Not published
- Hotspot
- Not stated
Pros
- Wide choice of plan sizes
- Dedicated app
Cons
- No unlimited plan for Japan
- Pricier than the page average
What matters here
Naha (OKA) mainly serves Naha. The usual links to the city are Yui Rail, and you will want data to check departures and platforms as soon as you clear customs.
Install the eSIM at home on Wi-Fi, but keep it switched off for data until you land. Once the plane is on the ground, select the eSIM for mobile data, turn on data roaming for that line and wait for a Japanese network to appear.
If you prefer an alternative on arrival, major Japanese airports have rental counters for pocket Wi-Fi and SIM cards. They require queuing on arrival and, for pocket Wi-Fi, returning the device; our Pocket Wifi vs eSIM guide compares the options.
Airport Wi-Fi is free but shared, so avoid logging into banking or work accounts on it before your eSIM is active.
Guides on this site
How much data do you need?
Pick your trip length and how you use your phone. The assumptions are visible and editable.
Install your eSIM in 4 steps
- 1
Buy the plan before you leave and keep the QR code or the app handy.
- 2
Install the eSIM at home on Wi-Fi. Most plans only start the validity period once the eSIM connects in Japan.
- 3
On landing, switch the eSIM on for mobile data and keep your home SIM for calls and texts if you need them.
- 4
Turn on data roaming for the eSIM line, then check that the phone shows a Japanese network.
Your phone must be carrier-unlocked and eSIM-compatible. Check this in your phone settings before you buy.
Frequently asked questions
Can I buy an eSIM at Naha Airport?
An eSIM is bought online, so you can purchase and install it before your flight. At the airport itself, rental counters offer pocket Wi-Fi and physical SIM cards instead.
How do I get online as soon as I land at Naha?
Install the eSIM at home, then on landing select it for mobile data and turn on data roaming for that line. The phone should show a Japanese network within a minute or two.
How do I get from Naha Airport to the city?
The usual links are Yui Rail. Having mobile data lets you check live departures and platforms while you walk to the station.
Which eSIM is best if I arrive through this airport?
For a typical trip of 10 days with at least 5 GB, Saily ranks first at $10.99. The eSIM works across Japan, not just around the airport.
Is a pocket Wi-Fi better than an eSIM?
A pocket Wi-Fi shares one connection with several devices but must be collected, charged and returned. An eSIM lives in your phone, so there is nothing to carry or give back.
Will my phone work with a Japan eSIM?
It must be carrier-unlocked and eSIM-compatible. Most recent iPhones, Google Pixels and Samsung Galaxy models support eSIM; check your phone’s settings or the provider’s compatibility list before paying.
How we rank
We compare the plans each provider publishes for Japan. We do not rank on personal testing or user reviews. For each provider we take the cheapest plan that covers the need of this page, then compute a score out of 10:
- Price (50%): cheapest plan on the page ÷ this plan’s price × 10.
- Japanese network (20%): 10 if two or more networks are published, 8 for one, 5 if unknown.
- Hotspot (15%): 10 if tethering is allowed, 0 if not, 5 if unknown.
- Options (15%): app, top-up and an unlimited plan for Japan (10 each if yes, 0 if no, 5 if unknown).
At equal score, providers we have a partner link with are listed first. Prices change often, so check the final price on the provider’s site.
Top pickSaily · $10.99See this plan