You've decided to get an eSIM for your trip. Good call. Now you're staring at a list of data plans — 1 GB, 3 GB, 5 GB, 10 GB, unlimited — and wondering which one is actually enough without paying for more than you'll use.
The honest answer: it depends on how you travel. Someone who spends their days offline at the beach needs something completely different from someone navigating a new city solo, messaging constantly, and posting stories from every rooftop. But "it depends" isn't actually helpful, so let's break it down properly.
What Each Plan Size Is Actually Good For
Before getting into specifics, it helps to know roughly what eats data and what doesn't. Google Maps directions use very little. Streaming a Netflix episode uses a lot. Most travelers fall somewhere in between — navigation, messaging, the occasional social post, and maybe some browsing.
1 GB Plans
A 1 GB plan sounds small, and it is — but for certain types of trips, it's perfectly adequate. If you're spending most of your time at a hotel or resort with reliable WiFi, you mostly need data for those in-between moments: getting from the airport to your accommodation, looking up a restaurant nearby, sending a few messages.
1 GB works well for trips of 2–3 days where you're not streaming anything or uploading content. It also suits travelers who are disciplined about switching to WiFi whenever it's available. The risk is running out at a moment when you actually need it — like when your maps stop loading because you've used up your last 50 MB trying to load a webpage abroad.
3 GB Plans
This is the most popular choice for short to medium trips, and usually the right call for 4–7 day holidays. With 3 GB you can use navigation throughout the day, stream some music or podcasts, scroll social media for reasonable periods, and still have a buffer left over.
Where 3 GB starts to feel tight is if you're uploading photos or short videos while traveling, doing video calls regularly, or using data-heavy apps like Google Street View or downloading large files. If those are part of your routine, budget up.
5 GB Plans
Five gigabytes covers most travelers comfortably for a week-long trip, even with moderately active phone use. You can run maps all day, stream music or podcasts, check social feeds, do a few video calls, and still have room to breathe.
If you're a light streamer, 5 GB can stretch to 10–12 days. If you're a heavy user — uploading content, doing video calls, or using hotspot to tether a laptop — it could run out in 4–5 days. For most leisure travelers, 5 GB for a week hits the sweet spot of sufficient coverage without paying for unlimited.
10 GB Plans
At 10 GB you're covering yourself for either a longer trip (two weeks or more) or a shorter trip with genuinely heavy usage. Remote workers who occasionally need to tether a device, content creators uploading video, or travelers who stream video regularly will find 10 GB much more comfortable than 5 GB.
It's also a reasonable choice if your trip involves poor WiFi coverage — rural areas, long train journeys, or countries where hotel WiFi is unreliable. Having headroom means you don't have to ration.
Unlimited Plans
Unlimited sounds like the obvious solution to all data anxiety, and sometimes it is. But there's one thing worth understanding before you buy: many unlimited travel eSIM plans throttle your speed after a certain threshold — often 1–3 GB of high-speed data — dropping you to much slower 3G-equivalent speeds for the remainder of your plan period.
This doesn't make unlimited plans bad. For most tasks — messaging, browsing, basic maps — throttled speeds are still usable. But if you plan to stream HD video or do video calls throughout a long trip, check the fine print on what "unlimited" actually means for that specific plan.
Unlimited genuinely makes sense for trips longer than two weeks, for heavy users, for business travelers who work on the go, or for anyone who simply doesn't want to think about their data at all.
A useful shortcut: if you're traveling for 7 days or fewer and your phone use is typical — navigation, messaging, some social media — a 3–5 GB plan almost always covers it. For longer trips or heavy usage, move up to 10 GB or unlimited.
The Real Variables: What Changes Your Data Needs
Two travelers on identical 7-day trips to the same city can have wildly different data needs. Here's what actually drives the difference.
Navigation habits
Running Google Maps or Apple Maps in the background all day is actually one of the more efficient uses of data — modern mapping apps are surprisingly lean. A full day of turn-by-turn navigation typically uses 50–100 MB. That said, if you're constantly searching new routes, browsing map tiles in unfamiliar areas, or using Street View to preview locations, it adds up faster.
Streaming and video
This is the single biggest variable. Streaming music or podcasts is relatively low-impact — expect around 30–60 MB per hour at standard quality. Streaming video is a different story: SD video can consume 300–500 MB per hour, while HD streams easily hit 1 GB per hour or more.
If you plan to stream video during airport waits, long train rides, or evenings at the hotel, factor this in explicitly. A single 2-hour HD stream can blow through 2+ GB on its own. See our breakdown of which apps use the most data while traveling for specifics by platform.
Social media and content creation
Browsing Instagram or TikTok scrolls through a lot of video content automatically, and that adds up faster than most people realize. Uploading your own content — especially video — uses even more. If you're running a travel account and posting daily stories and reels, the data cost is real and should factor into your plan choice.
Video calls
WhatsApp, FaceTime, and Zoom calls are heavy consumers. A one-hour video call can use anywhere from 200 MB to over 1 GB depending on call quality and how many participants are on screen. Regular calls home during a long trip add up quickly.
Hotel and venue WiFi availability
If your accommodation has fast, reliable WiFi and you're back in your room by evening, your mobile data use might be limited to daytime hours only. That can make a 3 GB plan viable even for a 10-day trip. If you're moving between Airbnbs, hostels, or staying somewhere with patchy WiFi, you'll lean on your mobile data much more.
Picking a Plan by Trip Type
Rather than thinking in abstract gigabytes, it helps to match your plan to the actual shape of your trip.
Short city break (2–4 days): 1–3 GB is usually enough. You'll likely spend evenings at bars, restaurants, or in an accommodation with WiFi. Data mostly goes to navigation and messaging during the day.
Standard holiday (5–7 days, beach or city): 3–5 GB covers most travelers comfortably. If you stream music or podcasts daily, lean toward 5 GB. If you're at a resort with WiFi, 3 GB is probably fine.
Two-week trip: 5–10 GB depending on usage patterns. Light users (mostly navigation and messaging) can manage with 5 GB. Average users who stream some content or do occasional video calls should look at 7–10 GB.
Long-term travel or remote work: Unlimited, or a high-data plan (15 GB+). Anything less and you'll either run out or spend too much mental energy rationing.
Road trip or rural travel: Bump up your plan regardless of trip length. Remote areas mean less WiFi access, and you may also be sharing hotspot with travel companions.
Don't buy the minimum and hope for the best. Running out of data mid-trip is genuinely inconvenient — you may not be able to top up instantly, and in some countries adding data is complicated or unavailable for your plan. It's usually worth paying for one plan size higher than you think you need.
When Unlimited Actually Makes Sense
Some travelers buy unlimited as a default to avoid any data anxiety, and that's a perfectly valid choice. But there are specific situations where it clearly makes sense:
- You're traveling for more than two weeks and don't want to track usage
- You work remotely and need reliable tethering for your laptop
- You're a content creator uploading daily
- You're traveling with family and sharing hotspot with others
- Your destination has poor or expensive local WiFi and you'll rely primarily on mobile data
- You genuinely can't estimate your usage and don't want to risk running out
For travelers who mainly want peace of mind, the small premium for unlimited over a large finite plan is often worth it.
A Common Mistake: Ignoring Background Data
One thing that consistently surprises travelers is how much data apps consume in the background without any active use. Cloud photo sync, email fetching, app updates, and system processes all run silently and eat into your plan.
Before you travel, take a few minutes to limit background data to essential apps only. On both iPhone and Android, you can turn off background app refresh for apps you don't need updating constantly. Disable automatic app updates over mobile data. Turn off iCloud Photo Library sync or Google Photos backup, or limit it to WiFi-only.
These adjustments can cut your passive data consumption significantly and stretch your plan further. Read our guide on how to save mobile data abroad for a full walkthrough of these settings.
Multiple Destinations: Does Your Plan Cover Them All?
If your trip spans multiple countries, make sure the plan you buy actually works in all of them. Some plans are country-specific, while others cover entire regions — Europe, Southeast Asia, the Americas. Regional plans are usually the better value for multi-country trips, even if the per-GB cost is slightly higher than a country-specific option.
Check the coverage carefully before you buy. A regional plan that covers 30 countries sounds great until you notice your specific destination isn't on the list. Browse the available destinations to find plans that match your itinerary.
The Bottom Line
For a typical 5–7 day trip where you'll use maps regularly, send messages, browse occasionally, and have WiFi access at your accommodation: a 3–5 GB plan covers you well. If you stream content, do video calls, or move between multiple locations without reliable WiFi, move to 5–10 GB. For long trips or heavy use, unlimited removes the stress of tracking.
The worst outcome isn't paying a bit extra for data you didn't use — it's running out at the wrong moment and having no way to get more. Give yourself a reasonable buffer, and travel without the anxiety of watching a progress bar.
If you want more detail on what specific apps consume, check the breakdown of how long 5 GB actually lasts or learn how to estimate your data needs for a one-week trip.