Vodafone UK Roaming in Vietnam: Rates, Hidden Fees, and Alternatives (2026)
Updated May 2026 · By The Roaming Cost Desk
Short Answer:
Vodafone UK charges £2.00/day for roaming in Vietnam. A 7-day trip costs £14.00 in Vodafone UK fees. A travel eSIM covers that same week for $3.49. You save $10.51 with HelloRoam. No contract changes needed.
Vodafone UK Vietnam roaming rates
All Vodafone UK plans available for Vietnam.
| Carrier | Daily | 7-day | 14-day | Data | Verdict |
|---|---|---|---|---|---|
EU Roaming (Zone A/B) 25GB monthly fair use cap applies | £2.00 | £14.00 | £28.00 | 25GB fair use cap | Reasonable for EU |
Roam Further (Worldwide) Zone C/D (worldwide including USA): £6.00–£7.86/day. 8-day EU pass: £15. 15-day EU pass: £20. | £6.85 | £47.95 | £95.90 | 25GB fair use cap (shared with home allowance) | Costly |
EU Roaming (Zone A/B) Details
EU Roaming (Zone A/B) costs £2.00/day in Vietnam. Data is 25GB fair use cap at 4G/5G speed. 25GB monthly fair use cap applies. Zone A (Ireland, Iceland, Norway): free. Zone B (EU): £2.00–£2.57/day depending on plan. Pre-August 2021 customers may have legacy free EU roaming.
Roam Further (Worldwide) Details
Roam Further (Worldwide) costs £6.85/day in Vietnam. Data is 25GB fair use cap (shared with home allowance) at 4G/5G speed. Zone C/D (worldwide including USA): £6.00–£7.86/day. 8-day EU pass: £15. 15-day EU pass: £20.
What's included with Vodafone UK in Vietnam
Data, voice, and SMS details.
Data Allowance and Speed
25GB fair use cap at 4G/5G speed on Viettel, Vinaphone. 25GB monthly fair use cap applies. Local networks in Vietnam average 52 Mbps.
Voice and SMS Rates
Vodafone UK includes voice and SMS in the daily roaming charge. The £2.00/day rate covers data, voice, and texts. Additional per-minute or per-message fees do not apply within the covered plan.
Hidden charges for Vodafone UK in Vietnam
Vodafone Roam Further: GBP6.85/day in Vietnam
Vodafone Roam Further charges GBP6.85/day in Vietnam. Data from domestic allowance. Calendar day billing.
Vodafone zone classification for Vietnam
Vietnam falls under Vodafone's worldwide Roam Further pricing at GBP6.85/day. A 8-day trip costs GBP54.80. Data comes from your domestic plan allowance. Vodafone charges per calendar day in worldwide destinations. This rate applies uniformly across all Roam Further countries.
Vodafone fair use cap in Vietnam
Vodafone's Roam Further data allowance in Vietnam depends on your domestic plan tier. Higher-tier plans include more roaming data. Some plans impose a per-day data cap, while others draw from your monthly domestic allowance. Check your specific plan details in the My Vodafone app before traveling. Exceeding your roaming data allowance triggers per-MB charges.
Vodafone UK vs travel eSIM for Vietnam
A 8-day trip on Vodafone costs GBP54.80 in roaming charges. A travel eSIM costs $3.49 (approximately GBP2.76 at typical exchange rates). The eSIM runs at full speed on Viettel and Vinaphone with no fair use cap beyond the total plan allowance. For UK travelers to Vietnam, the eSIM is cheaper for trips of any length, runs faster than Vodafone's throttled connections beyond the fair use cap, and does not count against your domestic data allowance.
Does Vodafone UK work in Vietnam?
Yes. Vodafone UK works in Vietnam and charges £2.00/day for roaming through the EU Roaming (Zone A/B).
Vodafone UK works in Vietnam at £2.00/day. You get 25GB fair use cap at 4G/5G speeds. Your phone connects through Viettel, Vinaphone, Mobifone networks. Vietnam has urban-only 5G coverage. A 7-day trip costs £14.00 in roaming fees. A travel eSIM costs a fraction of that.
Vodafone UK covers Vietnam at £2.00/day. Vietnam has urban-only 5G coverage.
How much does Vodafone UK charge in Vietnam?
Vodafone UK charges £2.00/day in Vietnam. Moderate for short trips, but a travel eSIM still saves money on trips over 3 days.
| Trip | Vodafone UK | eSIM | Savings |
|---|---|---|---|
| 3-day trip | £6.00 | $3.49 | $2.51 |
| 7-day trip | £14.00 | $3.49 | $10.51 |
| 14-day trip | £28.00 | $3.49 | $24.51 |
| 30-day trip | £60.00 | $3.49 | $56.51 |
A HelloRoam eSIM for Vietnam starts at $3.49 for the entire trip, with 1GB at local network speeds. No daily fees, no hidden charges, no contract.
eSIM alternative for Vietnam
Same networks, fraction of the cost.
Why an eSIM beats Vodafone UK roaming
A travel eSIM connects to Viettel, Vinaphone at full LTE speed for $3.49 total.Vodafone UK charges £2.00 per day for the same networks. The eSIM has no daily charges, no auto-enrollment, and no hidden fees.
- ✓204+ carrier networks worldwide
- ✓180-day refund policy
- ✓Instant QR install
- ✓Instant QR install
- ✓5G where available
- ✓Keep your home number
- ✓Instant QR install
- ✓5G where available
- ✓Keep your home number
Setup Guide: eSIM Alongside Vodafone UK
- 1Put your phone in airplane mode before takeoff.Prevents Vodafone UK auto-enrollment in roaming passes.
- 2Buy a travel eSIM for Vietnam.HelloRoam, Airalo, and Saily sell Vietnam plans from $3.49.
- 3Install the eSIM via QR code.Label it "Vietnam data." Keep your Vodafone UK line for SMS.
- 4Switch data to the eSIM after landing.Disable Vodafone UK data roaming. Enable eSIM for data only.
- 5Switch back when you return home.Return to Vodafone UK for data. The eSIM stays for next time.
Cost comparison: Vodafone UK vs eSIM in Vietnam
Savings across different trip lengths.
| Trip Length | Vodafone UK Cost | eSIM Cost | You Save |
|---|---|---|---|
| 3 days | £6.00 | $3.49 | $2.51 |
| 7 days | £14.00 | $3.49 | $10.51 |
| 14 days | £28.00 | $3.49 | $24.51 |
| 30 days | £60.00 | $3.49 | $56.51 |
Vietnam network and coverage context
Local Networks
Vodafone UK roaming connects to Viettel, Vinaphone in Vietnam. Average download speed is 52 Mbps. A travel eSIM connects to the same networks at the same speeds for a fraction of the cost.
5G Availability
5G coverage in Vietnam is urban-only. Viettel launched 5G in Hanoi and HCMC in 2024; expanding to major cities Both carrier roaming and travel eSIMs can access 5G where available, depending on your device.
Connectivity Quirks
Grab is essential for ride-hailing; works with international phone numbers
Zalo is Vietnam's dominant messaging app — locals prefer it over WhatsApp
Vietnam has extremely cheap local SIM data — often under $1/GB from carrier stores
Many cafes in Ho Chi Minh City and Hanoi have passwords displayed on receipts or walls
Vietnam blocks some foreign gambling and adult content sites at ISP level