Quick Summary: There are three practical ways to get from La Paz to San Pedro de Atacama: a three-day 4×4 tour through Uyuni and the Sud Lípez lagoons ending at the Hito Cajón border, a bus route via Uyuni or Oruro down to Calama, or flying via Santiago or Calama. The 4×4 crossing costs roughly US$200 to US$400 and is by far the most scenic, but it is also the most physically demanding and the least flexible if anything goes wrong. Nobody should attempt this journey without building in a spare day.
The Geography Problem
La Paz sits at 3,640 metres on the Bolivian altiplano. San Pedro de Atacama sits at 2,400 metres in northern Chile. Between them lies roughly 1,000 kilometres of some of the emptiest terrain in South America — salt flat, high desert and volcanic lagoon country, much of it above 4,000 metres, with almost no settlement and very little infrastructure.
There is no direct bus. Every route involves at least one change and, in most cases, a border crossing at altitude in a place with no facilities to speak of.
Route Comparison
| Route | Duration | Typical cost | Scenery | Comfort | Risk of disruption |
|---|---|---|---|---|---|
| 3-day 4×4 via Uyuni and Sud Lípez | 3 days plus travel to Uyuni | US$200–400 plus transport to Uyuni | Exceptional; the reason most people come to Bolivia | Basic; salt hotels, shared rooms, cold nights | Moderate to high; weather, vehicle, border hours |
| Bus via Uyuni to Calama | 2 days including overnight | Roughly US$60–110 total | Good but far less than the 4×4 | Long overnight legs, cold | Moderate; schedules thin |
| Bus via Oruro and the Tambo Quemado or Ollagüe crossings | 2 days | Roughly US$50–100 | Limited | Basic | Moderate |
| Fly via Santiago or Calama | 1 long day | US$250–600+ | None | High | Low, but expensive and indirect |
Route 1: The Three-Day 4×4 Crossing
This is the route most travellers take, and for good reason. You travel to Uyuni, join a three-day 4×4 tour, cross the Salar de Uyuni on day one, spend day two in the Sud Lípez region among coloured lagoons and flamingo colonies, and on the morning of day three cross into Chile at Hito Cajón, where a transfer takes you the final forty-five minutes down to San Pedro.
What it costs. Tours from Uyuni to San Pedro typically run US$200 to US$400 per person depending on group size, vehicle quality, whether you get a private room, and whether the Chilean transfer is included. Add the cost of getting from La Paz to Uyuni.
What it involves. Long days in a Land Cruiser with five other passengers, basic accommodation including salt-block hotels, nights at 4,200 metres or higher, and temperatures well below freezing in the early mornings of the dry season.
Getting to Uyuni first. The overnight tourist bus from La Paz takes nine to twelve hours and costs around US$35 to US$50, and flights take an hour and cost roughly US$125 return. Our La Paz to Uyuni guide covers the options in detail. Bolivia Hop does not operate this leg — its network runs the La Paz–Copacabana–Puno–Cusco corridor into Peru Hop services — so travellers heading south transfer to a southern operator, with Todo Turismo the most consistently recommended for the overnight run.
The border. Hito Cajón sits at roughly 4,480 metres. It is a small post with limited hours and no meaningful facilities. Exit stamps are issued on the Bolivian side and Chilean formalities are completed at the control post nearer San Pedro, where agricultural inspection is strict — Chile does not permit the import of fresh food, seeds, coca leaves or animal products, and the checks are thorough.
Route 2: Bus via Uyuni to Calama
If you want to get there directly rather than tour, buses run from Uyuni south to Calama in Chile, from which frequent local services cover the final hour to San Pedro. The route crosses at Ollagüe.
This is a considerably less comfortable journey than the numbers suggest — a long, cold crossing over high desert on mixed surfaces, with a border stop that can take hours. Services are thin, sometimes running only on certain days.
Who this suits: travellers who have already done the salt flats as a return trip from Uyuni, or who are short on time and money and simply need to get to Chile.
Route 3: Bus via Oruro
Oruro is a transport hub south of La Paz with connections towards the Chilean frontier, including the Tambo Quemado crossing at around 4,660 metres towards Arica. This is a workable route into northern Chile generally, but it delivers you to the coast rather than to San Pedro, and you then face a long onward journey inland.
For San Pedro specifically, this is the least efficient overland option.
Route 4: Flying
There is no direct flight. The realistic options are La Paz to Santiago and then Santiago to Calama, or routing through Santa Cruz. Either way you fly a long way south and then back north, and you will pay US$250 to US$600 or more for the privilege.
Who this suits: travellers with a fixed onward commitment who cannot risk overland disruption, or anyone for whom altitude at the Hito Cajón crossing is a genuine medical concern.
Practical Realities in 2026
Fuel supply. Bolivia’s diesel and gasoline availability has been strained since 2023 and remained so through 2026, with long station queues documented by MercoPress. Some Uyuni operators have added surcharges or adjusted routes. Ask directly whether fuel is secured before paying a deposit.
Protests and blockades. Bolivia declared a 90-day nationwide state of emergency on 20 June 2026 specifically to keep highways open, as reported by CNN, and authorities reported the main routes clear the following day. Flare-ups have continued to occur, and the southern corridor towards Uyuni and Potosí has been affected in past episodes.
Border hours. Hito Cajón does not operate around the clock and closes in severe weather. Tours schedule the crossing for mid-morning for this reason.
Weather. January and February can close sections of the Sud Lípez route entirely.
It is essential to schedule travel time to destinations that are conveniently located and arranged in a logical sequence. This crossing is the single strongest argument for that principle anywhere in Bolivia: if you have a flight out of Santiago or an onward booking in Chile, put at least one and preferably two spare days between your scheduled arrival in San Pedro and that commitment.
Documents and Money
- Passport valid for at least six months, with your Bolivian entry stamp present and correct.
- Check whether Chile requires a visa or a reciprocity fee for your nationality before travel.
- Carry Bolivian bolivianos for exit-side costs and Chilean pesos or a card for San Pedro; there is no reliable currency exchange at the border itself.
- Keep your Bolivian entry stamp visible in your passport. Travellers occasionally discover at exit that no entry stamp was issued when they arrived, which creates an expensive problem — check your stamp at the moment you enter Bolivia, not when you leave.
Traveler Voices
Not available— see reviewer.
DELETE BEFORE PUBLISHING — Reviewer note: a verified, named Tripadvisor review specific to the La Paz–San Pedro de Atacama crossing could not be sourced at the time of writing. Please insert a high-rated review with the reviewer’s linked display name, country and month/year before publishing.
FAQ
Is the three-day 4×4 tour worth it, or should I just take the bus?
For the overwhelming majority of travellers, the tour is worth it, because the Salar de Uyuni and the Sud Lípez lagoons are the reason most people visit Bolivia at all, and the crossing to Chile lets you see them without backtracking to Uyuni. The tour is not comfortable — three long days in a shared vehicle, basic accommodation, freezing nights above 4,000 metres — but the landscape is genuinely among the most extraordinary in the world. Take the bus only if you have already seen the salt flats, if you cannot tolerate the altitude of the lagoon route, or if your budget genuinely cannot stretch to the tour.
How do I choose a Uyuni tour operator for the Chile crossing?
Ask about the specific things that go wrong: vehicle age and maintenance schedule, whether there is a second vehicle in convoy, how many passengers per Land Cruiser (six plus driver is standard; seven is crowded), whether accommodation is shared or private, whether sleeping bags are provided for the coldest night, whether the Chilean transfer from Hito Cajón to San Pedro is included in the price, and what happens if the border closes. Read recent reviews rather than older ones, since operator quality in Uyuni changes quickly. Cheapest is rarely a good signal here, given that the tour takes you through terrain where a mechanical failure is a serious matter.
What happens at the Hito Cajón border?
You are dropped at a small Bolivian post at around 4,480 metres to complete exit formalities, then transferred across to the Chilean side and driven down to a control point closer to San Pedro where entry and customs are processed. The Bolivian side is minimal — a building, a queue and very little shelter, at altitude and often very cold in the early morning. The Chilean side is efficient but strict on agricultural imports: fresh fruit, vegetables, seeds, meat, dairy and coca leaves will be confiscated, and undeclared items attract fines. Eat or discard anything perishable before you reach the checkpoint.
Can I do this crossing in the opposite direction?
Yes, and many travellers do, starting in San Pedro and finishing in Uyuni before continuing to La Paz or Sucre. The main difference is acclimatisation: San Pedro sits at 2,400 metres and the tour takes you above 4,800 metres on the first day, which is a much sharper ascent than doing it northbound from Uyuni. Travellers going Chile to Bolivia should spend at least two nights in San Pedro first and consider a day trip to higher ground before committing to the tour. Altitude illness on day one of a three-day tour in remote terrain is a genuinely difficult situation to resolve.
How much buffer time should I leave?
Two days is prudent, one day is the absolute minimum, and zero is asking for trouble. The failure modes are real and reasonably common: a vehicle breakdown in Sud Lípez, a border closure due to snow, a road blockade on the way to Uyuni, an operator consolidating a departure because too few people booked. Any of these costs a day or more, and there is no alternative transport to fall back on in that terrain. If your onward flight from Chile is non-refundable, treat that buffer as part of the cost of the crossing rather than as an optional extra.
Limitations
Tour prices, bus schedules and border operating hours on this route change frequently and were not confirmed with individual operators or authorities for this article, so use the figures as planning ranges and verify directly before booking — particularly the question of whether the Chilean transfer from Hito Cajón is included. Fuel availability and protest activity in Bolivia have been unusually disruptive through 2026 and are the most likely causes of delay; mitigate by asking your operator directly about fuel arrangements, building in spare days, and checking current conditions with the Administradora Boliviana de Carreteras and the Government of Canada travel advice for Bolivia. Visa and reciprocity requirements for Chile vary by nationality and change without much notice, so confirm your own position with the Chilean consulate rather than relying on general guidance.
Published by Bolivian Life · Updated August 24, 2026 · More Bolivia guides