lao into cambodia

You can get ba Cambo visa at the border, not a Lao though. Immigration soetimes want some extra cash for the visa but it's still US 20

Confirm NY. VOAs available on the Cambodian side. See here, made 8 days ago at Dong Kralor.

Laos - Cambodia (transport cost= $13; negotiate this down to $10/11 or do it the real way-see below example):
1) you first leave Laos, and probably pay an extra 1 or 2 dollar for stamping, holiday, or whatever reasons... You can choose not to pay but then you'll wait long at the border until they let you in... You could easily do it providing you can play Lao Petang if they let you play with them and then catch another min van later during the day. Lots of vans are organized during the day transporting backpackers back and forth from Cambodia or Laos through the borders.
2) you arrive at the Cambodian border. If you already have a visa, same procedure, you are charged 1 or 2 dollars for getting the entry stamps. There, if you scream enough you could get away not paying the commission, as Cambodia cares may be a bit more about its image than Laos... or not...
If you dont have a Visa, you are directed to the main building to do it, have a photo with you, and 20 dollars and 1 or 2 dollars again for commission... Then go do the entry stamps...and try not to pay double commissions.

Cambodia- Laos (tranport cost $8-10 (more expensive towards 1300; negociate this down to $8-9):
1) You already have visa for Laos, then no problem, just some commissions again, probably 1-2$ for Cambodia and Laos borders each.
Try not to pay.
2) If you have NO Laos visa and you are in at the Cambodian border, in Stung Treng, MR. T at the riverside guesthouse can arrange you one for 55$ and wait 2 days. 45$ if you wait 3 days... try to negotiate lower price because you might as well go to Ban Lung to the east...

The Itinerary:
The Bridge now between Cambodia and Laos is open, this saving may be 30 minutes of the trips as you are no longer need to take a long boat accross the river.
Basically there are 2 ways of crossing, depending of who organize it. There are 3/4 people between Laos and Cambodia who shares this lucrative business of transporting people through this small border (Mr T. is one of them).

Approximative cost example to cross from Laos to Cambodia for transport:
1) From Don Dhet to the village accross (dont remember the name): get along with some backpackers leaving at 8h30, and pay the driver 15000 kip ($1.5)
2) then take a Moto or try to get into the backpacker bus that goes until the Laos border for $2-3.
3) once at the Laos border, get your stamps, cross the border, get your stamps/visa at the Cambodian border.
4) Find a mini van and its driver negotiate the price to $4-5 to Stung Treng
5) you arrive at the riverside guesthouse and ask for Mr. T, if you want to go to Phnom Penh, Kratie, Siem Reap... he will give you the infos as people will get into a bus or shared cab...

Tips arriving at Stung Treng from Laos:
1) to go to Phnom Penh or Siem reap or anywhere further than Kratie, a share cab is the best solution as it goes fast (6-7 hours for PP). Otherwise if you are not many people going to the same destination, you could end up in the bus going for Kratie, sleep overnight and then take the morning bus to your following destination....
For shared cab to PP/ the road is generally good except one or two parts:
Ask to be 3 in the back and pay around $10-13... otherwise you will be 4 in the back 4 in the front and the ride may not be so pleasant for big westerners....

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<hr>The Bridge now between Cambodia and Laos is open, this saving may be 30 minutes of the trips as you are no longer need to take a long boat accross the river.<hr></blockquote>
It will officially open end of November. It was opened yesterday only for cars to go to the Kathin festival. Was closed to pedestrians (we were chased off along with some Khmers) Sunday before last.

Yes, you can.