Best way to travel between

Luang Prabang
Phnom Penh
Travel Modes
Price
Distance
Duration
CO2
bus
$92.0
1845.27 km
42h 36mins
55.36 kgs
 
drive
$190.0
1317.84 km
20h 10mins
168.68 kgs
 
flight
$200.0
1004.7 km
3h 57mins
108.51 kgs
 
N/A
 
 
 
 
 
Tranport Distance Time(hrs) Cost(local) Cost(usd)
Bus 1845.27 km 42h 36mins 368,246 KHR 92.0
Drive 1317.84 km 20h 10mins 760,507 KHR 190.0
Flight 1004.7 km 3h 57mins 800,534 KHR 200.0
Take Ferry from Luang Prabang to Huay Xai
Time: 7h 4mins Cost: 160,107 KHR; $ 36.0 - 44.0 USD CO2 Emission: 38.44 kgs
Take Bus from Chiang Khong to Chiang Rai
Time: 1h 42mins Cost: 20,013 KHR; $ 4.5 - 5.5 USD CO2 Emission: 3.06 kgs
Take Bus from Chiang Rai to Bangkok Mochit
Time: 10h 36mins Cost: 80,053 KHR; $ 18.0 - 22.0 USD CO2 Emission: 23.38 kgs
Take Bus from Bangkok Mochit to Phnom Penh
Time: 20h 12mins Cost: 108,072 KHR; $ 24.3 - 29.7 USD CO2 Emission: 19.92 kgs
Source: Rome2rio

Mode of travel comparision chart

The best and cheapest way to get from Luang Prabang and Phnom Penh is to travel by bus, which will cost about 368,246 KHR or 82.80 USD.