About the route from Hoi An to Halong Bay
Roughly 800 kilometers separate Hoi An from Halong Bay, and with no airport at the bay and nothing running straight through, the journey is a two-stage affair. You first make your way to a hub in the north, either Hanoi or Hai Phong, and pick up onward transport to the coast from there. Speed points you to a flight, scenery to the overnight train, and a tight budget to a through-bus that grinds the whole way in one sitting. Driving it privately makes no sense over a gap this size, so that option is off the table.
Halong Bay draws visitors for its thousands of limestone islands standing out of jade-green water, and the way to see it is from the deck of a boat. Cruises run from a few hours to a couple of nights, weaving between the karst, ducking into caves, and stopping at calmer inlets to kayak or swim. For most people the cruise is the trip, with the town itself an afterthought.
Plan your visit with our Halong Bay travel guide, and browse our pick of the best Halong Bay cruises to choose a boat.
Plan around your cruise timing
Here is the detail that catches people out. Cruises tend to set off around midday, with a morning pickup from hotels in the Hanoi Old Quarter, which means being in the city and ready first thing on departure day. Pickups from the airport are not the norm, though some operators will lay on a private transfer if you ask ahead. The danger is a delayed flight or a late arrival leaving you short, and a missed departure is hard to recover. The simplest insurance is to get in a day early rather than cutting it fine on the morning itself, particularly when flying. That spare night removes the whole worry.
Option 1: By plane from Hoi An to Halong Bay
Flying is the quickest way to bridge the distance. Hoi An has no airport, so you start from Da Nang, about 45 minutes away by road, and from there two northern airports are worth weighing up. The right one comes down to whether you prefer the smoother cruise connection or the shorter drive at the end.
Fly to Hanoi, then continue to the bay
The usual pick is Da Nang to Noi Bai Airport in Hanoi, roughly 1 hour 20 minutes in the air, followed by a road transfer to the coast. Noi Bai handles far more flights than the alternative, so slotting in a convenient departure is easy. The downside is the distance at the far end, about 2.5 to 3 hours by road to the Tuan Chau cruise port. What makes up for it is the cruise connection, since most boats collect from the Hanoi Old Quarter. Spend a night there first, or take a taxi to the pickup point, and the last leg sorts itself out.
For the full breakdown of that second leg, see our guide on how to get from Hanoi to Halong Bay.
Fly to Cat Bi in Hai Phong
The alternative is Da Nang to Cat Bi Airport in Hai Phong, which lands you much nearer the water, only about 45 minutes to an hour from the Tuan Chau cruise port. VietJet and Vietnam Airlines both run the route daily. The snag is that no cruise picks up from Cat Bi or Hai Phong, so the transfer to the harbor is on you, normally a taxi or private car. It is simple enough, just an extra bit of cost and arranging. Cat Bi also runs fewer flights than Noi Bai, which leaves you less room to choose your timing.
Who it is for
Flying works for almost anyone short on time, and it is the sensible pick for most people on this route. Go through Noi Bai for the wider choice of flights and the ready-made cruise pickup, or through Cat Bi for a far shorter final drive if you do not mind handling that last stretch. Either way, build the timing around your cruise and try to land the day before.
Option 2: By train from Hoi An to Halong Bay
Take the train north, then drive to the bay
For scenery, nothing beats the railway, but it runs only as far as Hanoi rather than the bay. So the train part means boarding at Da Nang, close to Hoi An, riding up to Hanoi, and switching to the road for the final push to the coast. The Da Nang to Hanoi stretch is one of the country’s great rides, lifting over the Hai Van Pass with its sea views shortly after departure, and it is best taken overnight in a sleeper. Once in Hanoi, the last leg to the bay is the same short hop as after a flight.
A real plus of the train is the freedom to break the journey. Hue, the old imperial capital, sits just a couple of hours up the line from Da Nang and earns a day of its own, so it makes a natural stop before you press on north. Our Hue travel guide covers what to do there, and the run from the capital out to the bay is in our guide on how to get from Hanoi to Halong Bay.
For more on the railway itself, see our guide to train travel in Vietnam.
Who it is for
The train is for travelers who treat the journey as part of the trip and are in no hurry. The overnight sleeper is comfortable, spares you a hotel night, and can be split with a stop in Hue on the way up. If speed is all that matters, fly instead.
Option 3: By direct bus from Hoi An to Halong Bay
The long way through
A direct bus does run from Hoi An to Halong Bay, one ticket the whole way, but it is a punishing stretch of road. Reckon on 15 to 17 hours, almost always overnight on a sleeper coach, with fares from around 700,000 VND. Operators such as HK Buslines cover the route and set down at the cruise ports in the Halong area. Its one merit is simplicity, a single booking with no changes, but that many hours on a bus wears you down, and it is hard to justify when a flight does the same distance in a fraction of the time.
For more on how buses work, see our guide to bus travel in Vietnam.
Who it is for
The direct bus really only makes sense for travelers watching every dong who want to avoid switching transport and can stomach a long night on the road. For everyone else, the flight or the train is time far better spent.
Conclusion: what is the best option for Hoi An to Halong Bay
Picking the best way from Hoi An to Halong Bay comes down to budget and time, but with the two so far apart, nearly everyone reaches the bay through Hanoi or Hai Phong. A quick way to weigh it up:
Plane – the fastest and most practical, flying from Da Nang to either Hanoi or Cat Bi in Hai Phong, then finishing by road. Best for saving time.
Train – the most scenic, an overnight sleeper up to Hanoi over the Hai Van Pass, then a short road transfer to the bay. Best for those who enjoy the ride and want the option of a night in Hue.
Direct bus – the cheapest but easily the longest, a 15 to 17 hour haul through to the bay. Only worth it on a very tight budget.
For most travelers it comes down to this: fly if you want to arrive quickly, choosing Noi Bai for the easy cruise pickup or Cat Bi for the shorter final drive, or take the overnight train if you would rather savor the journey. Whichever you choose, plan around your cruise departure, and arriving the day before instead of the same morning is the surest way not to miss the boat.
