Best eSIM Comparison: Airalo vs Saily vs Holafly

The €120 Mistake (Not Using eSIM)

We landed in Thailand without data. Grabbed a local SIM at the airport.

Cost: €45 for 10 GB data (3 weeks)

Our friend: Had activated Airalo eSIM before departure.

Cost: €12 for 10 GB data (same 3 weeks)

Difference: €33 for identical service.

Multiply that across a 2-week trip to 5 countries (€33 × 5), and eSIMs save €165 vs. buying SIMs in each country.

This guide covers eSIM pricing, coverage, and which provider works best for different trips.

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Why eSIM Beats Local SIMs

Old Way: Local SIMs in Each Country

Process:

1. Land in country
2. Find SIM shop (airport, market)
3. Buy local SIM (€10–30)
4. Register (often requires passport scan)
5. Top-up data if needed

Cost: €15–40 per country per 2 weeks Time: 30–60 minutes per country Hassle: High (language barriers, unfamiliar shops) Downtime: 30 minutes without connectivity while setting up

Downside: Each country = new SIM = can’t receive calls from home on old number

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New Way: eSIM Before Departure

Process:

1. Buy eSIM plan on phone (10 minutes before flight)
2. Scan QR code
3. Land in country
4. Switch to eSIM
5. Instant connectivity

Cost: €8–20 per country per 2 weeks Time: 10 minutes total (before departure) Hassle: None (done on your phone) Downtime: 2–5 minutes (activation after landing)

Advantage: Keep your home number active (dual SIM), works instantly across borders

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eSIM Providers: Complete Comparison (2026)

1. Airalo (Most Coverage)

Coverage: 200+ destinations (highest)

Pricing (per plan):

Region	Amount	Days	Cost
SE Asia	1 GB	7 days	€3
SE Asia	3 GB	15 days	€7
SE Asia	10 GB	30 days	€15
Europe	1 GB	7 days	€4
Europe	3 GB	15 days	€9
Europe	10 GB	30 days	€18
US	1 GB	7 days	€6
US	3 GB	15 days	€13
US	10 GB	30 days	€20

Activation: Instant (QR code scan) Best for: Long trips, multiple countries (best coverage) Downside: Slightly pricier than competitors

Real example: 2-week SE Asia trip (3 countries)

• Thailand: €7 (3 GB)
• Vietnam: €7 (3 GB)
• Cambodia: €7 (3 GB)
• Total: €21 (save €30–50 vs. local SIMs)

Link: Airalo eSIM

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2. Saily (Best Value for Long Stays)

Coverage: 160+ destinations

Pricing (per plan):

Region	Amount	Days	Cost
SE Asia	2 GB	7 days	€2.50
SE Asia	4 GB	15 days	€5
SE Asia	12 GB	30 days	€12
Europe	2 GB	7 days	€3
Europe	4 GB	15 days	€6
Europe	10 GB	30 days	€14

Activation: Instant Best for: Budget travelers, SE Asia specifically Downside: Fewer countries than Airalo

Real example: 2-week SE Asia trip (3 countries)

• Thailand: €5 (4 GB, 15 days covers full stay)
• Vietnam: €5 (4 GB, or purchase new)
• Cambodia: €5 (4 GB)
• Total: €15 (cheapest option, but requires buying separate plans per country)

Link: Saily eSIM

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3. Yesim (Best Europe Pricing)

Coverage: 130+ destinations (fewer than competitors)

Pricing (per plan):

Region	Amount	Days	Cost
SE Asia	2 GB	10 days	€3
SE Asia	5 GB	20 days	€8
Europe	2 GB	10 days	€2.50
Europe	5 GB	20 days	€5
Europe	10 GB	30 days	€9

Activation: Instant Best for: European road trips, budget-conscious Downside: Less coverage outside Europe/Asia

Real example: 2-week Europe road trip (4 countries)

• Single EU eSIM (roaming): €9 (10 GB covers all 4 countries)
• Compare to: Buying 4 local SIMs = €40–60
• Savings: €31–51

Link: Yesim eSIM

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Which Provider to Choose?

Choose Airalo If:

✓ Going to 5+ countries ✓ Visiting less-common destinations ✓ Want highest reliability (most established) ✓ Multi-region trip (SE Asia + Europe)

Example: Frankfurt → Bangkok → Hanoi → Siem Reap → Kuala Lumpur → back to Europe

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Choose Saily If:

✓ SE Asia trip only ✓ Budget is primary concern ✓ Staying 2+ weeks in region ✓ Want cheapest rates

Example: Thailand → Vietnam → Cambodia (2 weeks)

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Choose Yesim If:

✓ Europe road trip ✓ Want single plan covering multiple countries ✓ Budget conscious ✓ Staying within EU or nearby

Example: Frankfurt → Prague → Vienna → Budapest → back to Frankfurt

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Regional Breakdown: Where to Buy What

Southeast Asia Trip (1–4 weeks)

Best provider: Saily or Airalo

Why:

• Saily: Cheapest rates for SE Asia specifically
• Airalo: Best if visiting 4+ destinations or leaving SE Asia

Example pricing (2-week trip, 3 countries):

Provider	Coverage	Cost	Notes
Saily	Thailand + Vietnam + Cambodia	€15	Buy separate plans per country
Airalo	Thailand + Vietnam + Cambodia	€21	Single app, can add plans anytime
Local SIMs	Same 3 countries	€45–60	30-60 min per country to set up

Savings: €30–45 with eSIM

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Europe Road Trip (1–3 weeks)

Best provider: Yesim or Airalo

Why:

• Yesim: Single plan covers all EU countries (no roaming charges)
• Airalo: Backup option if Yesim doesn’t cover specific country

Example pricing (2-week road trip, 4 countries: Czech → Austria → Slovenia → back to Germany):

Provider	Coverage	Cost	Notes
Yesim	EU zone (all 4 countries)	€9	One plan covers all
Airalo	EU zone (all 4 countries)	€18	Alternative option
Local SIMs	4 separate SIMs	€50–80	Buy in each country

Savings: €41–71 with eSIM

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US Trip (1–2 weeks)

Best provider: Airalo

Why:

• US-specific plans only from Airalo (Saily less competitive)

Example pricing (2-week US trip):

Plan	Cost	Data
Airalo 3 GB (15 days)	€13	Works everywhere in US
Local carrier (Verizon prepaid)	€50+	Similar coverage

Savings: €37+ with eSIM

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How to Use eSIM: Step-by-Step

Before Your Trip

1. Check phone compatibility:

   • iPhone: All models iPhone XS and newer support eSIM
   • Android: Most phones 2019+ support eSIM (check your model)
   • If unsure: Search “[Your phone model] eSIM support”

2. Choose provider:

   • SE Asia: Saily or Airalo
   • Europe: Yesim
   • Multiple regions: Airalo

3. Download app (before departure):

   • Airalo: Download from App Store
   • Saily: Download from App Store
   • Yesim: Download from App Store

4. Purchase eSIM:

   • Open app
   • Select destination
   • Choose data plan (3 GB / 15 days typical)
   • Pay (€5–15)
   • Get QR code

5. Save QR code:

   • Screenshot it
   • Or write down plan details (backup)

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At Your Destination (After Landing)

1. Connect to airport wifi (or ask local for wifi)

2. Open Settings → Mobile/Cellular

3. Add eSIM:

   • iOS: Settings → Mobile Plans → Add Cellular Plan → Scan QR code
   • Android: Settings → Network → SIM → Add SIM → Scan QR code

4. Wait 2–5 minutes (activation processing)

5. Switch to eSIM:

   • iOS: Settings → Mobile Plans → Select eSIM
   • Android: Settings → SIM → Select eSIM for data

6. Test: Send text message or load website

7. Disable home SIM data (to avoid roaming charges):

   • iOS: Settings → Mobile Data → Select home SIM → Turn off Data
   • Android: Settings → SIM → Disable data for home SIM

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Data Usage: How Much Do You Actually Need?

Light Use (Minimal Streaming)

2 GB per week:

• Navigation (GPS): €200 MB/week
• Messaging/email: €100 MB/week
• Photos (WhatsApp): €200 MB/week
• Browsing: €500 MB/week
• Social media: €1 GB/week
• Total: ~2 GB/week

Plan: Airalo 2 GB (7 days) = €4

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Medium Use (Some Streaming, Photo Uploads)

5 GB per week:

• Light Netflix: €1 GB/week
• YouTube videos: €1.5 GB/week
• Photo uploads: €500 MB/week
• Navigation: €200 MB/week
• Messaging: €1 GB/week
• Browsing + apps: €1.5 GB/week
• Total: ~5.7 GB/week

Plan: Airalo 5 GB (15 days) = €8

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Heavy Use (Constant Streaming, Video Calls)

10 GB per week:

• Video streaming (Netflix, YouTube): €5 GB/week
• Video calls (Skype, FaceTime): €2 GB/week
• Photo/video uploads: €1 GB/week
• Social media + browsing: €2 GB/week
• Total: ~10 GB/week

Plan: Airalo 10 GB (30 days) = €15–20

Pro tip: If heavy user, buy eSIM + find wifi at hotels/cafes to offload video streaming.

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eSIM vs. Local SIM: Full Cost Comparison

Scenario: 2-Week Thailand Trip

Method	Cost	Data	Hassle	Upside
Airalo eSIM	€15	10 GB	10 min setup	Instant, keeps home number
Local Thai SIM	€25	10 GB	30 min setup	Cheap Thai number
Roaming (home provider)	€120+	2 GB	0 min	None

Winner: Airalo eSIM (saves €10, saves time, keeps home connectivity)

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Scenario: 3-Week European Road Trip (5 Countries)

Method	Cost	Data	Hassle	Upside
Yesim eSIM	€9	10 GB (all EU)	5 min	One plan covers 5 countries
Local SIMs (5 countries)	€60	10 GB each	2+ hours	Local numbers in each
Airalo eSIM	€18	10 GB (all EU)	5 min	Backup option

Winner: Yesim eSIM (saves €51 vs. 5 local SIMs, saves 2 hours)

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FAQ

Q: Can I use eSIM + physical SIM at the same time?

A: Yes (iPhone XS+, most modern Android). Keep your home SIM in phone, use eSIM for data abroad. Both active simultaneously.

Q: What if eSIM doesn’t work after landing?

A: Contact provider’s support chat (usually responds in 15 minutes). Troubleshooting usually fixes it.

Q: Can I add more data mid-trip?

A: Yes, from provider’s app. Instant top-up (€3–10).

Q: Do I need internet to activate eSIM?

A: Yes. Activate before departure (on home wifi), or use airport wifi immediately after landing.

Q: What if my phone doesn’t support eSIM?

A: Buy local SIM in country. eSIM is only for compatible phones. Check Apple’s eSIM compatibility list or Android’s list.

Q: Can I share eSIM data with travel partner?

A: No. Each person needs separate eSIM (and phone must support eSIM).

Q: Is eSIM data slower than local SIM?

A: No. Same network, same speed. eSIM just uses local networks via special activation.

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Next Steps

1. Check phone compatibility: Does your phone support eSIM? (iPhone XS+, recent Android)
2. Choose provider:
   • SE Asia: Saily
   • Europe: Yesim
   • Everywhere: Airalo
3. Download app: 1 week before departure
4. Buy plan: Select destination, data, purchase
5. Activate at destination: Scan QR code upon landing
6. Switch to eSIM: Enable data on eSIM, disable home SIM data

See our budget travel in Southeast Asia guide for other ways to save on connectivity—and our digital nomad insurance guide for staying connected long-term while traveling.

Troubleshooting: Common eSIM Problems & Solutions

Problem 1: eSIM Won’t Activate After Landing

Causes:

• Phone wasn’t connected to internet during QR scan
• eSIM profile didn’t fully download
• Wrong country selected in app

Solutions:

1. Connect to airport WiFi
2. Go back to app, click “activate again”
3. Scan QR code again
4. Wait 3–5 minutes (full activation)
5. If still failing: Email provider support (responses within 15 min in most cases)

Prevention: Activate on home WiFi before departure, not after landing.

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Problem 2: No Data After eSIM Activation

Causes:

• Home SIM data not disabled (using both simultaneously)
• eSIM not selected as primary data SIM
• Airplane mode accidentally on
• Provider doesn’t have coverage in that specific location

Solutions:

1. Settings → Mobile Data → Toggle OFF for home SIM
2. Settings → Mobile Plans → Select eSIM as default
3. Disable airplane mode
4. Check provider coverage map (contact support if location not covered)

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Problem 3: eSIM Worked Yesterday, Stopped Today

Causes:

• Data quota expired
• Plan auto-expired (after 7/15/30 days)
• Local network glitch

Solutions:

1. Check app: See remaining data balance
2. If expired: Buy new plan in app (instant activation)
3. Switch off/on airplane mode (resets connection)
4. Contact provider chat (usually fixes in 5 min)

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Problem 4: Phone Restart Lost eSIM

Causes (rare):

• eSIM profile wasn’t fully downloaded before restart
• Phone cache corrupted
• Faulty activation

Solutions:

1. Restart phone
2. Settings → Mobile Plans → Reinstall eSIM
3. Scan QR code again (provider usually allows re-scanning)
4. Contact provider for re-send QR code

Prevention: Don’t restart phone until eSIM fully activated (3–5 min after scanning).

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eSIM vs. WiFi-Only: Cost Analysis

Scenario: 2-Week Trip Relying on WiFi Only

Costs:

• Hotel WiFi: Usually free (included)
• Café WiFi for day use: €2–5/day × 10 days = €20–50
• Lost productivity (finding WiFi): 30 min/day × 10 days = 5 hours

Challenges:

• No GPS navigation (uses data)
• No WhatsApp/messaging (WiFi only)
• No ride-sharing apps (need real-time location)

Verdict: Possible but impractical for travel

Scenario: 2-Week Trip with eSIM

Costs:

• eSIM: €12–15 (10 GB)
• Café WiFi: €0 (use eSIM instead)
• Gains: GPS works, apps work, messaging works

Advantages:

• Freedom to explore without WiFi dependency
• Instant mapping/navigation
• Real-time ride-sharing (Grab, Uber, Bolt)
• Video call friends/family anytime

Verdict: eSIM is €10–20 well-spent for full travel freedom

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Expert Recommendations: Which eSIM for Different Trips

Backpacking Trip (3+ countries, budget focus)

Recommendation: Saily

• Why: Cheapest rates for SE Asia
• Tradeoff: Fewer countries than Airalo
• Cost: €15–20 for 2-week trip (multiple plans)

Backup if not available: Airalo (universal option)

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European Road Trip (4+ countries, value seekers)

Recommendation: Yesim

• Why: One plan covers all EU countries
• Tradeoff: Only EU/nearby coverage
• Cost: €9–14 for 2-week trip (single plan)

Backup if outside EU: Airalo

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Solo Adventure Traveler (Remote work, anywhere)

Recommendation: Airalo

• Why: Best coverage (200+ destinations), add plans anytime
• Tradeoff: Slightly pricier than others
• Cost: €30–40 for 2-week trip (multi-region)

Backup: Always available, most destinations covered

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Business Traveler (US + Europe rotating)

Recommendation:

• US stay: Airalo US plan (€15–20)
• Europe stay: Yesim EU plan (€9–14)
• Total: €25–34 for 2 trips, complete coverage

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FAQ: Additional Questions

Q: Can I use eSIM for calls & SMS, or just data?

A: Depends on provider and country. Most SE Asia eSIMs: data only. Europe eSIMs: often include SMS, sometimes calls. Check provider specs before buying.

Q: What if my trip spans multiple eSIM plan periods (e.g., I travel 45 days with two 30-day plans)?

A: Buy two plans. First 30 days on Plan 1, remaining 15 days on Plan 2. Seamless transition (same phone, no physical SIM swap).

Q: Can I keep my home number active while using eSIM for data?

A: Yes. Keep home SIM in phone slot 1 (voice/SMS), eSIM in slot 2 (data). Both active simultaneously. You can receive calls/texts from home while abroad.

Q: Is eSIM cheaper or more expensive than local SIMs after haggling?

A: eSIM almost always cheaper. Local SIMs at airport: €30–50. eSIM pre-bought: €10–15. Even with haggling, local SIM rarely beats eSIM.

Q: What’s the best eSIM for Bali specifically?

A: Saily or Airalo. Both excellent coverage in Bali, Indonesia. Saily slightly cheaper.

Q: Can I share my eSIM data plan with someone else (split data)?

A: No. Each phone needs separate eSIM. Workaround: Create hotspot on your phone, other person connects via WiFi to share.

Q: Is eSIM data speed the same as local SIM?

A: Yes. eSIM uses same network as local SIM (roaming). Speed is identical.

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Remember: eSIM saves €30–50 per trip vs. local SIMs, takes 10 minutes to set up, and works instantly. It’s the cheapest way to stay connected abroad.