Quick Answer
To leave a Vietnamese airport during a layover, you generally need a valid Vietnam visa (or to be from a visa-exempt country). There is no international transit zone at Vietnam airports — all transit passengers pass through immigration to reach connecting flights. If you’re just connecting domestically or to another international flight in the same airport, you can stay airside without a visa in some cases. Details depend on your route and nationality.
Vietnam airports don’t have separate international transit lounges like Singapore’s Changi or Dubai’s Terminal 3. When you land in Vietnam to connect to another flight, you typically clear immigration and enter Vietnam — which means you need a visa if your nationality requires one. This guide explains every transit scenario.

Types of Transit at Vietnam Airports

Transit TypeImmigration?Visa Needed?Example
International → International (same airport, booked as one ticket)May be able to stay airsideDepends — check with airlineLondon → Hanoi → Bangkok on one booking
International → International (separate tickets)Yes — must clear immigrationYes, if your nationality requires oneArrive from Seoul, buy new ticket to Bangkok
International → Domestic connectionYes — must clear immigrationYes, if your nationality requires oneArrive in SGN, connect to Da Nang
Leaving the airport (layover in city)YesYes, if your nationality requires one9-hour layover in Hanoi, want to see Old Quarter
Critical: No airside transit facility. Vietnam does not have an international transit “sterile zone” in the way that Changi, KLIA, or Incheon do. When you arrive on an international flight and have a connecting international flight, you must go through Vietnam immigration. This means you need a visa or be from a visa-exempt country — even if you’re “just transiting.”

Visa-Free Travelers: Easy Transit

If your nationality is exempt from Vietnam’s visa requirement (e.g., UK, France, Germany, South Korea, Japan, Russia, and others with 45-day exemptions; or ASEAN neighbors with their own exemptions), transiting is simple — you pass through immigration normally, get your stamp/admission, and connect to your next flight.

If your stay is under 24 hours and you’re just connecting, this is essentially a brief formal entry into Vietnam. You technically “enter” Vietnam on your visa-free status.

Transit Visa for Nationalities That Need a Visa

For nationalities that require a Vietnam visa (e.g., US, Australia, Canada, India), options for transit are:

  • Option 1 — Get a regular e-visa: Apply for the standard e-visa ($25–50) before transit. This is the simplest and most reliable option. A single-entry e-visa works for transit purposes.
  • Option 2 — Transit visa (SQ category): Vietnam has a transit/quả cảnh visa (category SQ) for up to 30 days. Application process is similar to the e-visa. Cost varies — check evisa.gov.vn for current fees.
  • Option 3 — Stay airside on same-ticket connections: If your connecting flight is booked on the same ticket (single PNR) with the same airline or partner airline, the airline may be able to hold you airside to your connecting gate without formal immigration. Not guaranteed — confirm with your specific airline before travel. This is rare and airline-dependent.
Practical recommendation: If you have a long layover in Vietnam and your nationality requires a visa — simply apply for the e-visa ($25). It’s cheap, quick, and lets you explore the city properly during your layover rather than sitting in an airport.

Layover Tips by Airport

Noi Bai Airport (HAN) — Hanoi

Hanoi is 45 km from Noi Bai (HAN). Even with a 6-hour layover, you can reach the Old Quarter and back. Grab from airport: ~$15, 45 min. Worth it for an 8+ hour layover. The airport itself has limited food options in T2 international terminal — exit immigration if possible.

Tan Son Nhat Airport (SGN) — Ho Chi Minh City

SGN is only 8 km from District 1 (Saigon center). A 4-hour layover is enough to go out, eat bun bo or banh mi at a proper restaurant, and return. Grab: ~$5, 20–30 min. T2 international has better food options than HAN if you prefer to stay airside.

Da Nang Airport (DAD)

DAD is 3 km from Da Nang city center — the closest major international airport to its city in Vietnam. A 2-hour layover is enough to go out and come back.

Long layover at HAN or SGN?

Pre-book Fast Track to clear immigration in 5 minutes instead of 60 — more time to explore the city.

Book Fast Track →

Frequently Asked Questions

It depends on your nationality. If you’re from a visa-exempt country (UK, France, Germany, Japan, South Korea, Russia, ASEAN nations, and others — check the current list), you can transit through and enter Vietnam without a visa. If your nationality requires a Vietnamese visa, you’ll need one even for transit unless your airline can arrange an airside transfer on the same ticket (rare and not guaranteed). The Vietnam transit visa (SQ category, up to 30 days) is available at evisa.gov.vn as an alternative to the full e-visa.

For Hanoi: 6–8 hours minimum (45-minute airport transfer each way + time in city). For Saigon (HCMC): 4–5 hours minimum (20–30 minute transfer each way). These are tight — add 30–60 minutes buffer for immigration queues on return. Fast Track on the way out saves significant time. We don’t recommend leaving the airport for less than 4 hours total layover.