Vietnam's three main international airports are modern, busy and straightforward, and the things that slow people down are mostly knowable in advance. Here is what each one is actually like and what to have in hand before you join the queue.
Before any of them: the paperwork to have ready
Have your printed e-visa with your passport — the official instruction is to carry a paper copy, which is a cheap hedge against a dead phone in an immigration hall. Have the address of your first night's accommodation written down, because the arrival form and the officer may both ask for it.
Complete the online pre-arrival declaration before you fly, within the three days before arrival. It is free and takes about ten minutes. The two governments describe its status differently — the US State Department calls it required for air arrivals, Vietnam's own portal presents it as advice that shortens the queue — so the practical answer is simply to do it.
The gate-matching trap
Your e-visa names a port of entry, and that choice is binding: arriving at an airport other than the one you selected can mean being refused. Check the document against your ticket before you leave home, while it is still fixable.
The three international gateways: Hanoi · Da Nang · Ho Chi Minh City. (Enable JavaScript for the interactive map.)
Noi Bai, Hanoi (HAN)
International arrivals use Terminal 2, domestic flights Terminal 1, and the two are a short shuttle apart — allow for that on a connection. The airport sits about sixteen miles north of the city and the transfer takes forty-five minutes to an hour, longer in the morning and evening peaks.
Getting in: Grab is the simplest option and the pickup area is signposted, though it is a short walk from arrivals. Airport taxis are metered and legitimate but this is the classic place for an inflated fare, so agreeing the app price beforehand avoids the conversation entirely. The 86 express bus runs to the Old Quarter cheaply and takes about an hour.
Tan Son Nhat, Ho Chi Minh City (SGN)
Unusually close to the city — about four miles from District 1 — but the traffic means thirty to fifty minutes regardless. Terminal 2 handles international arrivals, Terminal 1 domestic, and the newer Terminal 3 has taken much of the domestic load.
Immigration here is the busiest in the country and queues at peak arrival times are long. Grab pickup is on the upper level rather than directly outside arrivals, which catches people out; follow the signs up rather than accepting the first offer at the kerb. Long Thanh, the planned replacement airport, is not yet operating, so do not plan around it.
If you are connecting to a domestic flight
You clear immigration and customs on arrival, collect your bags, and check in again at the domestic terminal. Budget three hours between an international arrival and a domestic departure at either Hanoi or Ho Chi Minh City, and more during holidays.
Da Nang (DAD)
The easiest of the three. Small, modern, about two miles from the city centre, and roughly forty-five minutes from Hoi An by car. International and domestic terminals sit side by side.
Most Hoi An hotels will arrange a transfer, and at this distance a prearranged car is worth the small premium over sorting it on arrival after a long flight. Grab also operates normally here.
Practicalities on arrival
Airport exchange counters typically give poorer rates than banks or gold shops in town, so change only enough to reach your accommodation and handle the rest in the city. ATMs are available in all three arrival halls, and the flat-fee structure means one larger withdrawal beats several small ones.
Buy a SIM at the airport if you have not arranged an eSIM; counters are in the arrivals halls and registration needs your passport. Free wifi is available in all three airports, which is enough to call a Grab if you would rather sort connectivity in town.
The smaller international airports
Four others take international flights and are worth knowing if they suit your route. Cam Ranh serves Nha Trang and is about forty minutes from the town. Phu Quoc takes direct flights from several Asian hubs and is the arrival point for the island's thirty-day visa exemption. Cat Bi at Hai Phong is the closest airport to Cat Ba and Ha Long. Phu Bai serves Hue, mostly domestically.
All of them are small, quick to clear and far less stressful than Hanoi or Ho Chi Minh City. If your itinerary is regional rather than country-wide, routing through one of these instead of the big two can save a couple of hours and a lot of queueing.
Leaving the country
Arrive three hours before an international departure. Vietnam requires valid status to exit as well as to enter, so an overstayed visa is a departure problem rather than something to apologise for at the gate. Duty-free purchases on the way out are unrestricted in quantity by Vietnam, but your destination's allowances still apply.
FAQ
What paperwork should you have ready at a Vietnamese airport?
Have your printed e-visa with your passport — the official instruction is to carry a paper copy, which is a cheap hedge against a dead phone in an immigration hall. Have the address of your first night's accommodation written down, because the arrival form and the officer may both ask for it.
How does Noi Bai airport in Hanoi work?
International arrivals use Terminal 2, domestic flights Terminal 1, and the two are a short shuttle apart — allow for that on a connection. The airport sits about sixteen miles north of the city and the transfer takes forty-five minutes to an hour, longer in the morning and evening peaks.
How far is Tan Son Nhat from central Ho Chi Minh City?
Unusually close to the city — about four miles from District 1 — but the traffic means thirty to fifty minutes regardless. Terminal 2 handles international arrivals, Terminal 1 domestic, and the newer Terminal 3 has taken much of the domestic load.
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