Top picks for Konstanz SIM card

Discover 23 SIM card in Konstanz on Trip.com, updated June 1, 2026, with experiences lasting from 1 to 2 hours. Find the perfect adventure for your day!

From THB 2.83 per person, with an average total of THB 122.30. Choose the option that suits your plan.

With 49.547k verified reviews, SIM card Konstanz boast an average rating of 4.5.

This week's most popular SIM card: "Global (77 Countries) 5G/4G eSIM | Supports Google Maps/TikTok/ChatGPT | Data Plan | 24-Hour Billing | 1–7 Days | QR code", with 26.156k reviews and a 4.4 rating.

The next available day tour departs on June 2, 2026. Book now to secure your spot!

Konstanz SIM card usually take about 1 hours — perfect for a relaxed, immersive experience!

June is the perfect time to visit Konstanz! Choose from SIM card available day tours, including seasonal favorites like Global (77 Countries) 5G/4G eSIM | Supports Google Maps/TikTok/ChatGPT | Data Plan | 24-Hour Billing | 1–7 Days | QR code.

Your trip, worry-free! All day tours are run by licensed suppliers with verified reviews, and many include free cancellation before departure.

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23 results for Konstanz SIM card

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AllAttractions (188274)Day tours (201)Food & drink (12)Boat experiences (42)Spa & wellness (6)Cultural experiences (1)Travel photography (5)SIM card (23)City pass (4)Eurail pass (1)

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Reviews/Trip Moments

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Reviews: Europe 5G/4G eSIM | Daily /Total | 500MB/day-total 50GB | 1-30 days | 24-hour billing | QR code
_TIRU******1lgpx82026-05-29
The internet worked well in Istanbul and Italy (Rome, Naples, Venice, Florence, Pisa). Even during long trips between cities, the signal was good, and I could send photos and videos without any problems. I did lose connection a couple of times in Rome, but restarting my phone fixed the issue. 5GB per day was enough for two people; I could have used less. I recommend it.
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Reviews: Europe 4G/5G eSIM | TikTok & ChatGPT Available | Day Pass/Total Data Package | 24-Hour Billing | QR Code
_TIAU******ailzcj2026-05-29
So far so good - quick and easy connection, even though I set it up while already in Turkey - no issues connecting to networks there, in Bulgaria or Italy so far. And can't beat the value for money with this one 👍🏼
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Reviews: Europe (41 Countries) | 5G/4G eSIM | Supports TikTok & ChatGPT | Daily Use Package/Data Package | Natural Day Billing | 1-90 Days | QR Code
bm9982026-05-24
Used this eSIM during a business trip and it worked perfectly. Activation was quick and simple, coverage was reliable, and the internet speed was very good throughout the trip. Very convenient to have data immediately after landing without searching for a local SIM card. Would definitely use again.
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Reviews: Europe Orange 4G/5G eSIM | Total 20GB–500GB | French number with calls & SMS | 7–30 days | 24-hour billing | QR code
Anonymous user2026-05-15
This 5G roaming service is truly amazing! Whether navigating bustling cities or visiting remote towns, the signal remains consistently strong and extremely stable. Even in crowded transportation hubs, the network speed is smooth and uninterrupted, and video calls are crystal clear, almost face-to-face, with absolutely no noticeable delay. Having a French SIM card allows you to apply for local apps and make calls, which is quite convenient. I used about 1GB of data per day, which was clearly too much this time. The most convenient thing is that upon arrival at my destination, there's no need to change my SIM card; the system automatically connects to the internet instantly. The ultra-wide bandwidth allows me to enjoy the same lightning-fast experience as when handling business or sharing high-definition travel videos. This high-quality network experience, "cross-border and zero-time zone," is undoubtedly the best choice for modern travelers, completely eliminating the anxiety of intermittent network connections when traveling abroad.
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Reviews: Germany eSIM | 5G/4G | Daily/Total Data Package | 24-Hour Billing | 1–30 days | QR Code
_TIUS******cn3e3b2026-05-10
Very quick connection and convenient way to buy internet while travelling. Totally recommend.
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Reviews: Germany 5G eSIM | Dual Network • All AI & TikTok | 1–30 Days | QR Code
Simon.W2026-05-29
It was one of the easiest setups I’ve had. Just install the eSIM, and you don’t need to activate it until you reach your destination. Once you do, simply enable roaming, otherwise, it won’t work. With roaming on, it connects instantly, no fuss at all.

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