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Yesim 1 cheapest rows co:sim 1 cheapest rows 4S 6 cheapest rows Airalo 0 cheapest rows

Yesim vs co:sim vs 4S eSIM vs Airalo in Luxembourg

Side-by-side pricing for Luxembourg, straight from each provider's current real plans.

Cheapest overall
Yesim
Yesim
1/8 cheapest rows
Fully verified 12 of 12 facts confirmed -20%

Best for: Unlimited data · Multi-country trips · No ID check · Short trips

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co:sim
co:sim
1/8 cheapest rows
4 of 12 facts confirmed

Best for: Unlimited data · Multi-country trips · Short trips · Long stays

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4S eSIM
4S eSIM
6/8 cheapest rows
10 of 12 facts confirmed -15%

Best for: Budget travellers · Unlimited data · Multi-country trips · Short trips

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Airalo
Airalo
0/8 cheapest rows
Fully verified 12 of 12 facts confirmed

Best for: Unlimited data · Short trips · Long stays

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4S eSIM is the cheapest option in 6 of the 8 price rows for Luxembourg. The remaining rows go to Yesim, co:sim. Live plans from each provider's catalog, re-checked daily.

Prices in Luxembourg

Cheapest live plan from each provider per trip size. Every price links to that exact plan.

Starting price
Yesim
$0.52
500MB · 1 days
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co:sim
$0.99
Unlimited · 1 days
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4S
$1.18
1GB · 1 days
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Airalo
$4.00
1GB · 3 days
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1 GB or more
Yesim
$2.30
1GB · 30 days
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co:sim
$1.99
1GB · 7 days
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4S
$1.18
1GB · 1 days
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Airalo
$4.00
1GB · 3 days
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5 GB or more
Yesim
$10.33
5GB · 30 days
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co:sim
$7.99
5GB · 30 days
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4S
$2.91
5GB · 1 days
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Airalo
$10.50
5GB · 7 days
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10 GB or more
Yesim
$18.37
10GB · 30 days
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co:sim
$12.99
10GB · 30 days
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4S
$5.17
10GB · 5 days
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Airalo
$18.00
10GB · 7 days
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20 GB or more
Yesim
$22.96
20GB · 30 days
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co:sim
$28.99
20GB · 30 days
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4S
$9.24
20GB · 5 days
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Airalo
$28.50
20GB · 15 days
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Unlimited
Yesim
$3.44
Unlimited · 1 days
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co:sim
$0.99
Unlimited · 1 days
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4S
$2.36
Unlimited · 1 days
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Airalo
$11.50
Unlimited · 3 days
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Best price/GB
Yesim
$0.96
co:sim
$1.30
4S
$0.40
Airalo
$0.98
Best price/day
Yesim
$0.08
co:sim
$0.06
4S
$0.02
Airalo
$0.38
Comparison by eSIMKart

Networks in Luxembourg

Yesim
Not listed
co:sim
Orange5G POST5G Tango5G
4S
Not listed
Airalo
Not listed

Plan types sold for Luxembourg

Yesimco:sim4SAiralo Unlimited data ✓ ✓ ✓ ✓ Regional bundles ✓ ✓ ✓ — Global bundles (50+ countries) ✓ ✓ ✓ — Pay as you go — — — —

Policies compared

Confirmed from each provider's own site — see the trust card on each provider page for the verification date.

ID verification
Yesim: Not required
co:sim: Not confirmed yet
4S: Not confirmed yet
Airalo: Required for some countries (passport/ID)
Refund policy
Yesim: Refunds for data plans and top-ups within 30 days of purchase, excluding plans already used or expired; refunded to the original payment method.
co:sim: Uninstalled eSIMs refunded unconditionally within 30 days of purchase; once installed, refundable only for a technical issue on co:sim's side.
4S: Refund eligibility is reviewed case-by-case based on order/eSIM status and reason — no fixed window stated; contact support to request review.
Airalo: Self-service refund request from your account (My eSIMs > Package History > Request Refund) for wrong purchase, changed plans, installation issues, or a non-working eSIM — expired or fully-used eSIMs aren't eligible. Wrong-purchase/changed-plans refunds go to Airmoney (their in-app credit) only; installation-issue/not-working refunds can go to Airmoney or your original payment method, taking 7-10 business days (up to 30 depending on your bank).
Validity starts
Yesim: You select a desired activation time when purchasing a plan in the app -- validity is not automatically triggered at purchase.
co:sim: Not confirmed yet
4S: Most plans start counting on first use, when the eSIM connects and begins using data (checked on your 4S service page).
Airalo: Validity starts either when the eSIM connects to the destination network or at the moment of installation, depending on the specific plan — check 'Additional Information > Activation Policy' on the plan page before buying to see which applies.
Fair-use limit
Yesim: Yesim itself does not enforce a Fair Usage Policy on its Unlimited plans, but some of its partner network providers may apply their own FUP as part of their own terms, per Yesim's Help Center.
co:sim: Daily plans throttle to a lower speed (e.g. 512Kbps) once the daily limit is reached; total-data plans simply stop once depleted.
4S: Unlimited plans include a high-speed data quota for the full validity period; after it is used, speed drops to up to 1 Mbps until the plan expires.
Airalo: Unlimited plans default to a 3GB-per-day full-speed allowance before throttling to 1 Mbps for the rest of that 24-hour period (counted from activation, not purchase); a different daily threshold is stated on the specific plan's page when it applies instead of the 3GB default.
Top-ups & rollover
Yesim: Additional data can be bought at any time from the Yesim app or website, added to the same eSIM.
co:sim: Top up your balance anytime on the website -- instant, choose from various amounts; PAYG deducts per MB, data packages from $0.90/GB.
4S: Self-serve top-up (same destination/region only) adds high-speed data to the current plan and extends its validity by the top-up package's own validity period.
Airalo: Only plans marked 'rechargeable' (checkable under Additional Information before buying) can be topped up, via the My eSIMs > Top Up option in the app — a non-rechargeable eSIM or one that changed carriers requires buying a new eSIM instead.
Support
Yesim: Email · Help center · 24/7
co:sim: Not confirmed yet
4S: Email · Live chat · Help center
Airalo: Live chat · Help center · 24/7
Comparison by eSIMKart

Yesim vs co:sim vs 4S vs Airalo in Luxembourg — common questions

Which is cheapest for Luxembourg?

It depends on the trip size — see the price rows above for Luxembourg.

Who has the cheapest unlimited plan for Luxembourg?

co:sim sells the cheapest unlimited plan for Luxembourg at $0.99 (1 day). Unlimited plans carry fair-use limits — see each provider's policy row.

Do these providers require ID verification?

Yesim: no ID verification required. co:sim: not confirmed yet. 4S eSIM: not confirmed yet. Airalo: ID verification required before activation. Confirmed from each provider's own site; rules can vary by destination.

Is there a discount code for Luxembourg eSIMs?

Yesim: ESIMKART20 (-20%). co:sim: no live code right now. 4S eSIM: ESIMKART15 (-15%). Airalo: no live code right now. Codes are re-verified on every catalog sync.

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