Quick Answer
UK citizens get 45-day visa-free entry to Vietnam (as of 2026, valid until 14 March 2028). No visa required for stays up to 45 days. For longer stays (up to 90 days), apply for an e-visa ($25–50) before travelling. Always complete the free Pre-Arrival Declaration before flying.
Great news for British passport holders: The UK is one of 23 countries that enjoy Vietnam’s unilateral 45-day visa exemption, renewed in March 2025 and valid until 14 March 2028. This means most British tourists can simply arrive — no visa application, no fees — and stay for up to 45 days.

45-Day Visa-Free Entry: How It Works

DetailInformation
Visa required for ≤45 days?No — British passport holders enter visa-free
Legal basisUnilateral exemption, renewed by Vietnamese government (NQ renewed 15/3/2025, valid to 14/3/2028)
Maximum stay (visa-free)45 days per entry
Number of entries (visa-free)Each entry grants 45 days. Multiple visits allowed if you exit fully.
Can you extend the 45-day stay?No — you must exit Vietnam before day 45 and re-enter for a fresh 45 days, OR apply for an e-visa before arrival for a 90-day stay
Passport validity requiredAt least 6 months from intended Vietnam departure date
Entry portsAll international airports, major land borders, seaports
Important: The 45-day exemption has an expiry date. The current exemption runs until 14 March 2028. The Vietnamese government has consistently renewed these exemptions since they were first introduced, but there is no legal guarantee beyond the current renewal date. Always verify current policy at the official Vietnam immigration portal or on this site before your trip.

When Do UK Citizens Need an E-Visa?

Even with the 45-day visa exemption, there are situations where a British passport holder should apply for an e-visa instead:

  • Staying longer than 45 days: The e-visa allows up to 90 days — the visa-free entry is capped at 45. If you’re planning a longer stay (working remotely, slow travel, combined with mainland China or other neighbors), get an e-visa ($25 single, $50 multiple).
  • Needing a multiple-entry visa: The visa-free entry is technically single-entry in practice — each entry resets to 45 days, but you must physically leave and re-enter. If you want a formal multiple-entry document (e.g., for business travel requiring multiple entries documented), the e-visa multiple-entry ($50) is the cleaner solution.
  • Business purposes requiring visa documentation: Some UK employers or clients require a formal visa stamp for expense or compliance purposes. In this case, an e-visa is cleaner than the informal visa-free stamp.
For most UK tourists: The 45-day visa-free entry is perfect. Simply arrive at any international airport, present your UK passport, complete a landing card, and you’re in. No advance paperwork beyond the free Pre-Arrival Declaration.

Pre-Arrival Declaration (Required for All Visitors)

As of 2026, all international visitors — including UK citizens entering visa-free — must complete the Vietnam Pre-Arrival Declaration before landing:

  • Portal: prearrival.immigration.gov.vn
  • Cost: Free
  • When to do it: Up to 3 days before arrival (or at the airport if you forgot — but it takes longer)
  • What you get: A QR code to show at immigration on arrival
  • Does it replace your visa? No — it’s a separate pre-registration. For visa-free travelers, you still present your passport as usual.
Scam alert: Numerous websites charge £15–30 to “complete the Vietnam pre-arrival declaration” for you. The official portal (prearrival.immigration.gov.vn) is completely free. Do not pay for this service.

Applying for an E-Visa (If You Need One)

If your trip exceeds 45 days or you need formal documentation, apply at evisa.gov.vn:

E-Visa DetailsInformation
Single entry cost$25 USD
Multiple entry cost$50 USD
Maximum validity90 days
Processing time3–5 business days (standard)
Documents neededPassport bio page scan + portrait photo
Extendable?No — exit and reapply

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Frequently Asked Questions

No — for stays up to 45 days. British citizens are exempt from Vietnam’s visa requirement under a unilateral exemption valid until 14 March 2028. Simply arrive with your valid UK passport. For stays over 45 days, apply for an e-visa at evisa.gov.vn ($25–50).

Not on visa-free status. The 45-day limit is fixed. However, you can exit Vietnam (e.g., a day trip to Cambodia or Laos) and re-enter for another 45-day visa-free period — this is known informally as a “visa run.” Alternatively, apply for a 90-day e-visa ($25 single) before your trip. Note: Vietnam immigration may question repeat “visa run” entries if the pattern appears to circumvent stay limits.

The 45-day visa-free exemption is based on passport nationality. British National (Overseas) BNO passports issued to Hong Kong residents are British passports but may be treated differently at some borders. In practice, BNO holders have generally been processed under the UK exemption, but this is not guaranteed by the written policy. If you hold a BNO passport, consider applying for an e-visa for certainty.

Likely yes — Vietnam has consistently renewed these exemptions since first introducing them and has been expanding the list of eligible countries (adding 12 more in August 2025). The UK is one of the original 12 “core” countries. However, the exemption is a government policy decision, not a permanent law — always check current policy before booking.