Product info
Boston eSIM plans
| Unlimited data · 5 days | $17.99 | Buy eSIM |
| Ohayu recommendsUnlimited data · 10 days | $33.99 | Buy eSIM |
| Unlimited data · 15 days | $39.99 | Buy eSIM |
| 3GB prepaid eSIM · 14 days | $8.49$2.83 / GB | Buy eSIM |
| 5GB prepaid eSIM · 30 days | $13.49$2.70 / GB | Buy eSIM |
| 10GB prepaid eSIM · 30 days | $21.49$2.15 / GB | Buy eSIM |
| 15GB prepaid eSIM · 60 days | $27.79$1.85 / GB | Buy eSIM |
| 20GB prepaid eSIM · 90 days | $34.49$1.72 / GB | Buy eSIM |
| 50GB prepaid eSIM · 90 days | $73.49$1.47 / GB | Buy eSIM |
You can install your eSIM before the trip and activate it when you arrive in United States. Validity starts after eSIM activation.
Plan details
How much mobile data you need
What's the best eSIM for Boston?
Long weekend – 3 GB
Walking directions and the Freedom Trail.
A week – 10 GB
Navigation, calls, a Cape day trip.
Boston and New York – 20 GB
Both cities by Acela.
Working from Seaport – Unlimited
Tethering a laptop.
Coverage and network
Coverage on old streets
United States mobile networks
Boston is compact and walkable, which changes what you use data for - less long-haul driving, far more turn-by-turn walking on streets that were laid out before street grids existed. Coverage across the city handles that well. The older subway tunnels are the weak point. (Speedtest by Ookla, June 2026)
Speedtest Global Index · Mobile · United States · June 2026
Download
197.34 Mbps
Upload
10.35 Mbps
Latency
27 ms
Global rank
#10 of 98
Boston, specifically
- Back Bay, Beacon Hill, the North End: Strong throughout. The narrow colonial streets and brick rowhouses do not cause the problems you might expect.
- The T: Mixed. Newer stations and above-ground stretches are fine; the older Green Line tunnels and some deep Red Line sections still drop between stops.
- Cambridge and the river: Harvard, MIT and the Esplanade all covered, including on the bridges.
- Cape Cod and the islands: Covered along Route 6 and in the Cape towns. Ferries to Martha's Vineyard and Nantucket lose signal mid-crossing.
New England and the rest
The plan runs nationwide, so a leaf-peeping drive into Vermont or a train to New York is already covered.
How to install eSIM
Connected in 3 steps
- 01
Buy before you fly
Choose your data plan before your trip.
- 02
Download & install
Log in to your account, tap your eSIM, and follow the on-screen instructions.
- 03
Land & activate
Activate when you arrive in United States. Turn on roaming for the eSIM and it connects to a local network.
Before you buy, make sure your phone supports eSIM — see Ohayu compatible devices list or dial *#06#. It's a free request to your phone's settings. If you see the EID number — your phone is eSIM-compatible.
Arriving in Boston
Airport Wi-Fi at BOS
Logan has free Wi-Fi with no password - accept the terms on the portal.
Side by side
Boston eSIM Comparison
Indicative comparison based on publicly listed USA plans as of August 2026. Competitor pricing and policies change - check their sites for current terms.
Frequently asked questions
Where to buy a SIM card in Boston?
Logan has kiosks, and there are carrier stores on Newbury Street and at the Prudential Center. City prices are better than the airport. An eSIM avoids the errand.
Do I need documents for a US prepaid SIM?
No documents, no registration - the US has never required it federally. An eSIM skips the store entirely.
Does it work on the T?
Partly, and it depends which line. Newer stations and surface running are fine. The older Green Line tunnels and deeper Red Line sections still lose signal between stops, so a podcast will stall where a downloaded one would not. Every carrier has the same problem there.
eSIM not working in Boston?
Confirm the phone is pulling data from the Ohayu line rather than your home SIM, and that roaming is on for it. Then flip Airplane mode once. Chat and support@ohayu.com are open 24/7.
